mirror of
https://github.com/VDR4Arch/vdr.git
synced 2023-10-10 13:36:52 +02:00
2142 lines
62 KiB
C
2142 lines
62 KiB
C
/*
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* osd.c: Abstract On Screen Display layer
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: osd.c 2.37 2013/02/13 12:55:26 kls Exp $
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*/
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#include "osd.h"
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#include <math.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/unistd.h>
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#include "device.h"
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#include "tools.h"
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tColor HsvToColor(double H, double S, double V)
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{
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if (S > 0) {
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H /= 60;
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int i = floor(H);
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double f = H - i;
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double p = V * (1 - S);
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double q = V * (1 - S * f);
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double t = V * (1 - S * (1 - f));
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switch (i) {
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case 0: return RgbToColor(V, t, p);
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case 1: return RgbToColor(q, V, p);
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case 2: return RgbToColor(p, V, t);
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case 3: return RgbToColor(p, q, V);
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case 4: return RgbToColor(t, p, V);
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default: return RgbToColor(V, p, q);
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}
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}
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else { // greyscale
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uint8_t n = V * 0xFF;
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return RgbToColor(n, n, n);
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}
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}
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tColor RgbShade(tColor Color, double Factor)
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{
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double f = fabs(constrain(Factor, -1.0, 1.0));
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double w = Factor > 0 ? f * 0xFF : 0;
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return (Color & 0xFF000000) |
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(min(0xFF, int((1 - f) * ((Color >> 16) & 0xFF) + w + 0.5)) << 16) |
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(min(0xFF, int((1 - f) * ((Color >> 8) & 0xFF) + w + 0.5)) << 8) |
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(min(0xFF, int((1 - f) * ( Color & 0xFF) + w + 0.5)) );
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}
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#define USE_ALPHA_LUT
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#ifdef USE_ALPHA_LUT
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// Alpha blending with lookup table (by Reinhard Nissl <rnissl@gmx.de>)
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// A little slower (138 %) on fast machines than the implementation below and faster
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// on slow machines (79 %), but requires some 318KB of RAM for the lookup table.
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static uint16_t AlphaLutFactors[255][256][2];
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static uint8_t AlphaLutAlpha[255][256];
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class cInitAlphaLut {
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public:
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cInitAlphaLut(void)
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{
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for (int alphaA = 0; alphaA < 255; alphaA++) {
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int range = (alphaA == 255 ? 255 : 254);
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for (int alphaB = 0; alphaB < 256; alphaB++) {
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int alphaO_x_range = 255 * alphaA + alphaB * (range - alphaA);
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if (!alphaO_x_range)
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alphaO_x_range++;
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int factorA = (256 * 255 * alphaA + alphaO_x_range / 2) / alphaO_x_range;
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int factorB = (256 * alphaB * (range - alphaA) + alphaO_x_range / 2) / alphaO_x_range;
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AlphaLutFactors[alphaA][alphaB][0] = factorA;
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AlphaLutFactors[alphaA][alphaB][1] = factorB;
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AlphaLutAlpha[alphaA][alphaB] = alphaO_x_range / range;
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}
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}
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}
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} InitAlphaLut;
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tColor AlphaBlend(tColor ColorFg, tColor ColorBg, uint8_t AlphaLayer)
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{
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tColor Alpha = (ColorFg & 0xFF000000) >> 24;
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Alpha *= AlphaLayer;
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Alpha >>= 8;
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uint16_t *lut = &AlphaLutFactors[Alpha][(ColorBg & 0xFF000000) >> 24][0];
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return (tColor)((AlphaLutAlpha[Alpha][(ColorBg & 0xFF000000) >> 24] << 24)
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| (((((ColorFg & 0x00FF00FF) * lut[0] + (ColorBg & 0x00FF00FF) * lut[1])) & 0xFF00FF00)
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| ((((ColorFg & 0x0000FF00) * lut[0] + (ColorBg & 0x0000FF00) * lut[1])) & 0x00FF0000)) >> 8);
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}
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#else
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// Alpha blending without lookup table.
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// Also works fast, but doesn't return the theoretically correct result.
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// It's "good enough", though.
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static tColor Multiply(tColor Color, uint8_t Alpha)
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{
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tColor RB = (Color & 0x00FF00FF) * Alpha;
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RB = ((RB + ((RB >> 8) & 0x00FF00FF) + 0x00800080) >> 8) & 0x00FF00FF;
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tColor AG = ((Color >> 8) & 0x00FF00FF) * Alpha;
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AG = ((AG + ((AG >> 8) & 0x00FF00FF) + 0x00800080)) & 0xFF00FF00;
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return AG | RB;
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}
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tColor AlphaBlend(tColor ColorFg, tColor ColorBg, uint8_t AlphaLayer)
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{
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tColor Alpha = (ColorFg & 0xFF000000) >> 24;
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if (AlphaLayer < ALPHA_OPAQUE) {
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Alpha *= AlphaLayer;
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Alpha = ((Alpha + ((Alpha >> 8) & 0x000000FF) + 0x00000080) >> 8) & 0x000000FF;
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}
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return Multiply(ColorFg, Alpha) + Multiply(ColorBg, 255 - Alpha);
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}
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#endif
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// --- cPalette --------------------------------------------------------------
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cPalette::cPalette(int Bpp)
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{
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SetBpp(Bpp);
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SetAntiAliasGranularity(10, 10);
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}
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cPalette::~cPalette()
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{
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}
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void cPalette::SetAntiAliasGranularity(uint FixedColors, uint BlendColors)
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{
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if (FixedColors >= MAXNUMCOLORS || BlendColors == 0)
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antiAliasGranularity = MAXNUMCOLORS - 1;
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else {
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int ColorsForBlending = MAXNUMCOLORS - FixedColors;
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int ColorsPerBlend = ColorsForBlending / BlendColors + 2; // +2 = the full foreground and background colors, which are among the fixed colors
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antiAliasGranularity = double(MAXNUMCOLORS - 1) / (ColorsPerBlend - 1);
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}
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}
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void cPalette::Reset(void)
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{
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numColors = 0;
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modified = false;
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}
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int cPalette::Index(tColor Color)
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{
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// Check if color is already defined:
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for (int i = 0; i < numColors; i++) {
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if (color[i] == Color)
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return i;
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}
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// No exact color, try a close one:
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int i = ClosestColor(Color, 4);
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if (i >= 0)
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return i;
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// No close one, try to define a new one:
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if (numColors < maxColors) {
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color[numColors++] = Color;
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modified = true;
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return numColors - 1;
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}
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// Out of colors, so any close color must do:
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return ClosestColor(Color);
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}
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void cPalette::SetBpp(int Bpp)
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{
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bpp = Bpp;
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maxColors = 1 << bpp;
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Reset();
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}
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void cPalette::SetColor(int Index, tColor Color)
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{
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if (Index < maxColors) {
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if (numColors <= Index) {
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numColors = Index + 1;
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modified = true;
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}
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else
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modified |= color[Index] != Color;
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color[Index] = Color;
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}
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}
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const tColor *cPalette::Colors(int &NumColors) const
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{
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NumColors = numColors;
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return numColors ? color : NULL;
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}
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void cPalette::Take(const cPalette &Palette, tIndexes *Indexes, tColor ColorFg, tColor ColorBg)
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{
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for (int i = 0; i < Palette.numColors; i++) {
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tColor Color = Palette.color[i];
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if (ColorFg || ColorBg) {
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switch (i) {
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case 0: Color = ColorBg; break;
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case 1: Color = ColorFg; break;
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default: ;
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}
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}
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int n = Index(Color);
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if (Indexes)
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(*Indexes)[i] = n;
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}
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}
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void cPalette::Replace(const cPalette &Palette)
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{
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for (int i = 0; i < Palette.numColors; i++)
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SetColor(i, Palette.color[i]);
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numColors = Palette.numColors;
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antiAliasGranularity = Palette.antiAliasGranularity;
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}
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tColor cPalette::Blend(tColor ColorFg, tColor ColorBg, uint8_t Level) const
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{
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if (antiAliasGranularity > 0)
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Level = uint8_t(int(Level / antiAliasGranularity + 0.5) * antiAliasGranularity);
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int Af = (ColorFg & 0xFF000000) >> 24;
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int Rf = (ColorFg & 0x00FF0000) >> 16;
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int Gf = (ColorFg & 0x0000FF00) >> 8;
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int Bf = (ColorFg & 0x000000FF);
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int Ab = (ColorBg & 0xFF000000) >> 24;
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int Rb = (ColorBg & 0x00FF0000) >> 16;
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int Gb = (ColorBg & 0x0000FF00) >> 8;
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int Bb = (ColorBg & 0x000000FF);
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int A = (Ab + (Af - Ab) * Level / 0xFF) & 0xFF;
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int R = (Rb + (Rf - Rb) * Level / 0xFF) & 0xFF;
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int G = (Gb + (Gf - Gb) * Level / 0xFF) & 0xFF;
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int B = (Bb + (Bf - Bb) * Level / 0xFF) & 0xFF;
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return (A << 24) | (R << 16) | (G << 8) | B;
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}
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int cPalette::ClosestColor(tColor Color, int MaxDiff) const
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{
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int n = 0;
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int d = INT_MAX;
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int A1 = (Color & 0xFF000000) >> 24;
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int R1 = (Color & 0x00FF0000) >> 16;
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int G1 = (Color & 0x0000FF00) >> 8;
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int B1 = (Color & 0x000000FF);
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for (int i = 0; i < numColors && d > 0; i++) {
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int A2 = (color[i] & 0xFF000000) >> 24;
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int R2 = (color[i] & 0x00FF0000) >> 16;
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int G2 = (color[i] & 0x0000FF00) >> 8;
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int B2 = (color[i] & 0x000000FF);
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int diff = 0;
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if (A1 || A2) // fully transparent colors are considered equal
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diff = (abs(A1 - A2) << 1) + (abs(R1 - R2) << 1) + (abs(G1 - G2) << 1) + (abs(B1 - B2) << 1);
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if (diff < d) {
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d = diff;
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n = i;
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}
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}
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return d <= MaxDiff ? n : -1;
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}
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// --- cBitmap ---------------------------------------------------------------
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cBitmap::cBitmap(int Width, int Height, int Bpp, int X0, int Y0)
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:cPalette(Bpp)
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{
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bitmap = NULL;
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x0 = X0;
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y0 = Y0;
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width = height = 0;
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SetSize(Width, Height);
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}
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cBitmap::cBitmap(const char *FileName)
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{
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bitmap = NULL;
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x0 = 0;
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y0 = 0;
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width = height = 0;
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LoadXpm(FileName);
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}
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cBitmap::cBitmap(const char *const Xpm[])
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{
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bitmap = NULL;
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x0 = 0;
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y0 = 0;
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width = height = 0;
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SetXpm(Xpm);
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}
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cBitmap::~cBitmap()
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{
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free(bitmap);
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}
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void cBitmap::SetSize(int Width, int Height)
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{
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if (bitmap && Width == width && Height == height)
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return;
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width = Width;
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height = Height;
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free(bitmap);
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bitmap = NULL;
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dirtyX1 = 0;
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dirtyY1 = 0;
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dirtyX2 = width - 1;
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dirtyY2 = height - 1;
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if (width > 0 && height > 0) {
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bitmap = MALLOC(tIndex, width * height);
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if (bitmap)
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memset(bitmap, 0x00, width * height);
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else
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esyslog("ERROR: can't allocate bitmap!");
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}
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else
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esyslog("ERROR: invalid bitmap parameters (%d, %d)!", width, height);
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}
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bool cBitmap::Contains(int x, int y) const
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{
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x -= x0;
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y -= y0;
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return 0 <= x && x < width && 0 <= y && y < height;
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}
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bool cBitmap::Covers(int x1, int y1, int x2, int y2) const
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{
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x1 -= x0;
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y1 -= y0;
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x2 -= x0;
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y2 -= y0;
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return x1 <= 0 && y1 <= 0 && x2 >= width - 1 && y2 >= height - 1;
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}
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bool cBitmap::Intersects(int x1, int y1, int x2, int y2) const
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{
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x1 -= x0;
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y1 -= y0;
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x2 -= x0;
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y2 -= y0;
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return !(x2 < 0 || x1 >= width || y2 < 0 || y1 >= height);
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}
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bool cBitmap::Dirty(int &x1, int &y1, int &x2, int &y2)
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{
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if (dirtyX2 >= 0) {
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x1 = dirtyX1;
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y1 = dirtyY1;
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x2 = dirtyX2;
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y2 = dirtyY2;
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return true;
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}
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return false;
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}
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void cBitmap::Clean(void)
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{
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dirtyX1 = width;
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dirtyY1 = height;
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dirtyX2 = -1;
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dirtyY2 = -1;
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}
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bool cBitmap::LoadXpm(const char *FileName)
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{
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bool Result = false;
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FILE *f = fopen(FileName, "r");
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if (f) {
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char **Xpm = NULL;
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bool isXpm = false;
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int lines = 0;
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int index = 0;
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char *s;
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cReadLine ReadLine;
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while ((s = ReadLine.Read(f)) != NULL) {
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s = skipspace(s);
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if (!isXpm) {
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if (strcmp(s, "/* XPM */") != 0) {
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esyslog("ERROR: invalid header in XPM file '%s'", FileName);
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break;
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}
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isXpm = true;
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}
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else if (*s++ == '"') {
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if (!lines) {
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int w, h, n, c;
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if (4 != sscanf(s, "%d %d %d %d", &w, &h, &n, &c)) {
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esyslog("ERROR: faulty 'values' line in XPM file '%s'", FileName);
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isXpm = false;
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break;
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}
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lines = h + n + 1;
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Xpm = MALLOC(char *, lines);
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memset(Xpm, 0, lines * sizeof(char*));
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}
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char *q = strchr(s, '"');
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if (!q) {
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esyslog("ERROR: missing quotes in XPM file '%s'", FileName);
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isXpm = false;
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break;
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}
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*q = 0;
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if (index < lines)
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Xpm[index++] = strdup(s);
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else {
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esyslog("ERROR: too many lines in XPM file '%s'", FileName);
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isXpm = false;
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break;
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}
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}
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}
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if (isXpm) {
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if (index == lines)
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Result = SetXpm(Xpm);
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else
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esyslog("ERROR: too few lines in XPM file '%s'", FileName);
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}
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if (Xpm) {
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for (int i = 0; i < index; i++)
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free(Xpm[i]);
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}
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free(Xpm);
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fclose(f);
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}
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else
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esyslog("ERROR: can't open XPM file '%s'", FileName);
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return Result;
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}
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bool cBitmap::SetXpm(const char *const Xpm[], bool IgnoreNone)
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{
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if (!Xpm)
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return false;
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const char *const *p = Xpm;
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int w, h, n, c;
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if (4 != sscanf(*p, "%d %d %d %d", &w, &h, &n, &c)) {
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esyslog("ERROR: faulty 'values' line in XPM: '%s'", *p);
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return false;
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}
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if (n > MAXNUMCOLORS) {
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esyslog("ERROR: too many colors in XPM: %d", n);
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return false;
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}
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int b = 0;
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while (1 << (1 << b) < (IgnoreNone ? n - 1 : n))
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b++;
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SetBpp(1 << b);
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SetSize(w, h);
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int NoneColorIndex = MAXNUMCOLORS;
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for (int i = 0; i < n; i++) {
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const char *s = *++p;
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if (int(strlen(s)) < c) {
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esyslog("ERROR: faulty 'colors' line in XPM: '%s'", s);
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return false;
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}
|
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s = skipspace(s + c);
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if (*s != 'c') {
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esyslog("ERROR: unknown color key in XPM: '%c'", *s);
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return false;
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}
|
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s = skipspace(s + 1);
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if (strcasecmp(s, "none") == 0) {
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NoneColorIndex = i;
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if (!IgnoreNone)
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SetColor(i, clrTransparent);
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continue;
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}
|
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if (*s != '#') {
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esyslog("ERROR: unknown color code in XPM: '%c'", *s);
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return false;
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}
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tColor color = strtoul(++s, NULL, 16) | 0xFF000000;
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SetColor((IgnoreNone && i > NoneColorIndex) ? i - 1 : i, color);
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}
|
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for (int y = 0; y < h; y++) {
|
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const char *s = *++p;
|
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if (int(strlen(s)) != w * c) {
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esyslog("ERROR: faulty pixel line in XPM: %d '%s'", y, s);
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return false;
|
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}
|
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for (int x = 0; x < w; x++) {
|
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for (int i = 0; i <= n; i++) {
|
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if (i == n) {
|
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esyslog("ERROR: undefined pixel color in XPM: %d %d '%s'", x, y, s);
|
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return false;
|
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}
|
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if (strncmp(Xpm[i + 1], s, c) == 0) {
|
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if (i == NoneColorIndex)
|
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NoneColorIndex = MAXNUMCOLORS;
|
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SetIndex(x, y, (IgnoreNone && i > NoneColorIndex) ? i - 1 : i);
|
|
break;
|
|
}
|
|
}
|
|
s += c;
|
|
}
|
|
}
|
|
if (NoneColorIndex < MAXNUMCOLORS && !IgnoreNone)
|
|
return SetXpm(Xpm, true);
|
|
return true;
|
|
}
|
|
|
|
void cBitmap::SetIndex(int x, int y, tIndex Index)
|
|
{
|
|
if (bitmap) {
|
|
if (0 <= x && x < width && 0 <= y && y < height) {
|
|
if (bitmap[width * y + x] != Index) {
|
|
bitmap[width * y + x] = Index;
|
|
if (dirtyX1 > x) dirtyX1 = x;
|
|
if (dirtyY1 > y) dirtyY1 = y;
|
|
if (dirtyX2 < x) dirtyX2 = x;
|
|
if (dirtyY2 < y) dirtyY2 = y;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void cBitmap::DrawPixel(int x, int y, tColor Color)
|
|
{
|
|
x -= x0;
|
|
y -= y0;
|
|
SetIndex(x, y, Index(Color));
|
|
}
|
|
|
|
void cBitmap::DrawBitmap(int x, int y, const cBitmap &Bitmap, tColor ColorFg, tColor ColorBg, bool ReplacePalette, bool Overlay)
|
|
{
|
|
if (bitmap && Bitmap.bitmap && Intersects(x, y, x + Bitmap.Width() - 1, y + Bitmap.Height() - 1)) {
|
|
if (Covers(x, y, x + Bitmap.Width() - 1, y + Bitmap.Height() - 1))
|
|
Reset();
|
|
x -= x0;
|
|
y -= y0;
|
|
if (ReplacePalette && Covers(x + x0, y + y0, x + x0 + Bitmap.Width() - 1, y + y0 + Bitmap.Height() - 1)) {
|
|
Replace(Bitmap);
|
|
for (int ix = 0; ix < Bitmap.width; ix++) {
|
|
for (int iy = 0; iy < Bitmap.height; iy++) {
|
|
if (!Overlay || Bitmap.bitmap[Bitmap.width * iy + ix] != 0)
|
|
SetIndex(x + ix, y + iy, Bitmap.bitmap[Bitmap.width * iy + ix]);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
tIndexes Indexes;
|
|
Take(Bitmap, &Indexes, ColorFg, ColorBg);
|
|
for (int ix = 0; ix < Bitmap.width; ix++) {
|
|
for (int iy = 0; iy < Bitmap.height; iy++) {
|
|
if (!Overlay || Bitmap.bitmap[Bitmap.width * iy + ix] != 0)
|
|
SetIndex(x + ix, y + iy, Indexes[int(Bitmap.bitmap[Bitmap.width * iy + ix])]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void cBitmap::DrawText(int x, int y, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font, int Width, int Height, int Alignment)
|
|
{
|
|
if (bitmap) {
|
|
int w = Font->Width(s);
|
|
int h = Font->Height();
|
|
int limit = 0;
|
|
int cw = Width ? Width : w;
|
|
int ch = Height ? Height : h;
|
|
if (!Intersects(x, y, x + cw - 1, y + ch - 1))
|
|
return;
|
|
if (ColorBg != clrTransparent)
|
|
DrawRectangle(x, y, x + cw - 1, y + ch - 1, ColorBg);
|
|
if (Width || Height) {
|
|
limit = x + cw - x0;
|
|
if (Width) {
|
|
if ((Alignment & taLeft) != 0) {
|
|
if ((Alignment & taBorder) != 0)
|
|
x += max(h / TEXT_ALIGN_BORDER, 1);
|
|
}
|
|
else if ((Alignment & taRight) != 0) {
|
|
if (w < Width)
|
|
x += Width - w;
|
|
if ((Alignment & taBorder) != 0)
|
|
x -= max(h / TEXT_ALIGN_BORDER, 1);
|
|
}
|
|
else { // taCentered
|
|
if (w < Width)
|
|
x += (Width - w) / 2;
|
|
}
|
|
}
|
|
if (Height) {
|
|
if ((Alignment & taTop) != 0)
|
|
;
|
|
else if ((Alignment & taBottom) != 0) {
|
|
if (h < Height)
|
|
y += Height - h;
|
|
}
|
|
else { // taCentered
|
|
if (h < Height)
|
|
y += (Height - h) / 2;
|
|
}
|
|
}
|
|
}
|
|
x -= x0;
|
|
y -= y0;
|
|
Font->DrawText(this, x, y, s, ColorFg, ColorBg, limit);
|
|
}
|
|
}
|
|
|
|
void cBitmap::DrawRectangle(int x1, int y1, int x2, int y2, tColor Color)
|
|
{
|
|
if (bitmap && Intersects(x1, y1, x2, y2)) {
|
|
if (Covers(x1, y1, x2, y2))
|
|
Reset();
|
|
x1 -= x0;
|
|
y1 -= y0;
|
|
x2 -= x0;
|
|
y2 -= y0;
|
|
x1 = max(x1, 0);
|
|
y1 = max(y1, 0);
|
|
x2 = min(x2, width - 1);
|
|
y2 = min(y2, height - 1);
|
|
tIndex c = Index(Color);
|
|
for (int y = y1; y <= y2; y++) {
|
|
for (int x = x1; x <= x2; x++)
|
|
SetIndex(x, y, c);
|
|
}
|
|
}
|
|
}
|
|
|
|
void cBitmap::DrawEllipse(int x1, int y1, int x2, int y2, tColor Color, int Quadrants)
|
|
{
|
|
if (!Intersects(x1, y1, x2, y2))
|
|
return;
|
|
// Algorithm based on http://homepage.smc.edu/kennedy_john/BELIPSE.PDF
|
|
int rx = x2 - x1;
|
|
int ry = y2 - y1;
|
|
int cx = (x1 + x2) / 2;
|
|
int cy = (y1 + y2) / 2;
|
|
switch (abs(Quadrants)) {
|
|
case 0: rx /= 2; ry /= 2; break;
|
|
case 1: cx = x1; cy = y2; break;
|
|
case 2: cx = x2; cy = y2; break;
|
|
case 3: cx = x2; cy = y1; break;
|
|
case 4: cx = x1; cy = y1; break;
|
|
case 5: cx = x1; ry /= 2; break;
|
|
case 6: cy = y2; rx /= 2; break;
|
|
case 7: cx = x2; ry /= 2; break;
|
|
case 8: cy = y1; rx /= 2; break;
|
|
default: ;
|
|
}
|
|
int TwoASquare = 2 * rx * rx;
|
|
int TwoBSquare = 2 * ry * ry;
|
|
int x = rx;
|
|
int y = 0;
|
|
int XChange = ry * ry * (1 - 2 * rx);
|
|
int YChange = rx * rx;
|
|
int EllipseError = 0;
|
|
int StoppingX = TwoBSquare * rx;
|
|
int StoppingY = 0;
|
|
while (StoppingX >= StoppingY) {
|
|
switch (Quadrants) {
|
|
case 5: DrawRectangle(cx, cy + y, cx + x, cy + y, Color); // no break
|
|
case 1: DrawRectangle(cx, cy - y, cx + x, cy - y, Color); break;
|
|
case 7: DrawRectangle(cx - x, cy + y, cx, cy + y, Color); // no break
|
|
case 2: DrawRectangle(cx - x, cy - y, cx, cy - y, Color); break;
|
|
case 3: DrawRectangle(cx - x, cy + y, cx, cy + y, Color); break;
|
|
case 4: DrawRectangle(cx, cy + y, cx + x, cy + y, Color); break;
|
|
case 0:
|
|
case 6: DrawRectangle(cx - x, cy - y, cx + x, cy - y, Color); if (Quadrants == 6) break;
|
|
case 8: DrawRectangle(cx - x, cy + y, cx + x, cy + y, Color); break;
|
|
case -1: DrawRectangle(cx + x, cy - y, x2, cy - y, Color); break;
|
|
case -2: DrawRectangle(x1, cy - y, cx - x, cy - y, Color); break;
|
|
case -3: DrawRectangle(x1, cy + y, cx - x, cy + y, Color); break;
|
|
case -4: DrawRectangle(cx + x, cy + y, x2, cy + y, Color); break;
|
|
default: ;
|
|
}
|
|
y++;
|
|
StoppingY += TwoASquare;
|
|
EllipseError += YChange;
|
|
YChange += TwoASquare;
|
|
if (2 * EllipseError + XChange > 0) {
|
|
x--;
|
|
StoppingX -= TwoBSquare;
|
|
EllipseError += XChange;
|
|
XChange += TwoBSquare;
|
|
}
|
|
}
|
|
x = 0;
|
|
y = ry;
|
|
XChange = ry * ry;
|
|
YChange = rx * rx * (1 - 2 * ry);
|
|
EllipseError = 0;
|
|
StoppingX = 0;
|
|
StoppingY = TwoASquare * ry;
|
|
while (StoppingX <= StoppingY) {
|
|
switch (Quadrants) {
|
|
case 5: DrawRectangle(cx, cy + y, cx + x, cy + y, Color); // no break
|
|
case 1: DrawRectangle(cx, cy - y, cx + x, cy - y, Color); break;
|
|
case 7: DrawRectangle(cx - x, cy + y, cx, cy + y, Color); // no break
|
|
case 2: DrawRectangle(cx - x, cy - y, cx, cy - y, Color); break;
|
|
case 3: DrawRectangle(cx - x, cy + y, cx, cy + y, Color); break;
|
|
case 4: DrawRectangle(cx, cy + y, cx + x, cy + y, Color); break;
|
|
case 0:
|
|
case 6: DrawRectangle(cx - x, cy - y, cx + x, cy - y, Color); if (Quadrants == 6) break;
|
|
case 8: DrawRectangle(cx - x, cy + y, cx + x, cy + y, Color); break;
|
|
case -1: DrawRectangle(cx + x, cy - y, x2, cy - y, Color); break;
|
|
case -2: DrawRectangle(x1, cy - y, cx - x, cy - y, Color); break;
|
|
case -3: DrawRectangle(x1, cy + y, cx - x, cy + y, Color); break;
|
|
case -4: DrawRectangle(cx + x, cy + y, x2, cy + y, Color); break;
|
|
default: ;
|
|
}
|
|
x++;
|
|
StoppingX += TwoBSquare;
|
|
EllipseError += XChange;
|
|
XChange += TwoBSquare;
|
|
if (2 * EllipseError + YChange > 0) {
|
|
y--;
|
|
StoppingY -= TwoASquare;
|
|
EllipseError += YChange;
|
|
YChange += TwoASquare;
|
|
}
|
|
}
|
|
}
|
|
|
|
void cBitmap::DrawSlope(int x1, int y1, int x2, int y2, tColor Color, int Type)
|
|
{
|
|
if (!Intersects(x1, y1, x2, y2))
|
|
return;
|
|
bool upper = Type & 0x01;
|
|
bool falling = Type & 0x02;
|
|
bool vertical = Type & 0x04;
|
|
if (vertical) {
|
|
for (int y = y1; y <= y2; y++) {
|
|
double c = cos((y - y1) * M_PI / (y2 - y1 + 1));
|
|
if (falling)
|
|
c = -c;
|
|
int x = int((x2 - x1 + 1) * c / 2);
|
|
if (upper && !falling || !upper && falling)
|
|
DrawRectangle(x1, y, (x1 + x2) / 2 + x, y, Color);
|
|
else
|
|
DrawRectangle((x1 + x2) / 2 + x, y, x2, y, Color);
|
|
}
|
|
}
|
|
else {
|
|
for (int x = x1; x <= x2; x++) {
|
|
double c = cos((x - x1) * M_PI / (x2 - x1 + 1));
|
|
if (falling)
|
|
c = -c;
|
|
int y = int((y2 - y1 + 1) * c / 2);
|
|
if (upper)
|
|
DrawRectangle(x, y1, x, (y1 + y2) / 2 + y, Color);
|
|
else
|
|
DrawRectangle(x, (y1 + y2) / 2 + y, x, y2, Color);
|
|
}
|
|
}
|
|
}
|
|
|
|
const tIndex *cBitmap::Data(int x, int y) const
|
|
{
|
|
return &bitmap[y * width + x];
|
|
}
|
|
|
|
void cBitmap::ReduceBpp(const cPalette &Palette)
|
|
{
|
|
int NewBpp = Palette.Bpp();
|
|
if (Bpp() == 4 && NewBpp == 2) {
|
|
for (int i = width * height; i--; ) {
|
|
tIndex p = bitmap[i];
|
|
bitmap[i] = (p >> 2) | ((p & 0x03) != 0);
|
|
}
|
|
}
|
|
else if (Bpp() == 8) {
|
|
if (NewBpp == 2) {
|
|
for (int i = width * height; i--; ) {
|
|
tIndex p = bitmap[i];
|
|
bitmap[i] = (p >> 6) | ((p & 0x30) != 0);
|
|
}
|
|
}
|
|
else if (NewBpp == 4) {
|
|
for (int i = width * height; i--; ) {
|
|
tIndex p = bitmap[i];
|
|
bitmap[i] = p >> 4;
|
|
}
|
|
}
|
|
else
|
|
return;
|
|
}
|
|
else
|
|
return;
|
|
SetBpp(NewBpp);
|
|
Replace(Palette);
|
|
}
|
|
|
|
void cBitmap::ShrinkBpp(int NewBpp)
|
|
{
|
|
int NumOldColors;
|
|
const tColor *Colors = this->Colors(NumOldColors);
|
|
if (Colors) {
|
|
// Find the most frequently used colors and create a map table:
|
|
int Used[MAXNUMCOLORS] = { 0 };
|
|
int Map[MAXNUMCOLORS] = { 0 };
|
|
for (int i = width * height; i--; )
|
|
Used[bitmap[i]]++;
|
|
int MaxNewColors = (NewBpp == 4) ? 16 : 4;
|
|
cPalette NewPalette(NewBpp);
|
|
for (int i = 0; i < MaxNewColors; i++) {
|
|
int Max = 0;
|
|
int Index = -1;
|
|
for (int n = 0; n < NumOldColors; n++) {
|
|
if (Used[n] > Max) {
|
|
Max = Used[n];
|
|
Index = n;
|
|
}
|
|
}
|
|
if (Index >= 0) {
|
|
Used[Index] = 0;
|
|
Map[Index] = i;
|
|
NewPalette.SetColor(i, Colors[Index]);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
// Complete the map table for all other colors (will be set to closest match):
|
|
for (int n = 0; n < NumOldColors; n++) {
|
|
if (Used[n])
|
|
Map[n] = NewPalette.Index(Colors[n]);
|
|
}
|
|
// Do the actual index mapping:
|
|
for (int i = width * height; i--; )
|
|
bitmap[i] = Map[bitmap[i]];
|
|
SetBpp(NewBpp);
|
|
Replace(NewPalette);
|
|
}
|
|
}
|
|
|
|
cBitmap *cBitmap::Scaled(double FactorX, double FactorY, bool AntiAlias)
|
|
{
|
|
// Fixed point scaling code based on www.inversereality.org/files/bitmapscaling.pdf
|
|
// by deltener@mindtremors.com
|
|
cBitmap *b = new cBitmap(int(round(Width() * FactorX)), int(round(Height() * FactorY)), Bpp(), X0(), Y0());
|
|
int RatioX = (Width() << 16) / b->Width();
|
|
int RatioY = (Height() << 16) / b->Height();
|
|
if (!AntiAlias || FactorX <= 1.0 && FactorY <= 1.0) {
|
|
// Downscaling - no anti-aliasing:
|
|
b->Replace(*this); // copy palette
|
|
tIndex *DestRow = b->bitmap;
|
|
int SourceY = 0;
|
|
for (int y = 0; y < b->Height(); y++) {
|
|
int SourceX = 0;
|
|
tIndex *SourceRow = bitmap + (SourceY >> 16) * Width();
|
|
tIndex *Dest = DestRow;
|
|
for (int x = 0; x < b->Width(); x++) {
|
|
*Dest++ = SourceRow[SourceX >> 16];
|
|
SourceX += RatioX;
|
|
}
|
|
SourceY += RatioY;
|
|
DestRow += b->Width();
|
|
}
|
|
}
|
|
else {
|
|
// Upscaling - anti-aliasing:
|
|
b->SetBpp(8);
|
|
b->Replace(*this); // copy palette (must be done *after* SetBpp()!)
|
|
int SourceY = 0;
|
|
for (int y = 0; y < b->Height(); y++) {
|
|
int SourceX = 0;
|
|
int sy = min(SourceY >> 16, Height() - 2);
|
|
uint8_t BlendY = 0xFF - ((SourceY >> 8) & 0xFF);
|
|
for (int x = 0; x < b->Width(); x++) {
|
|
int sx = min(SourceX >> 16, Width() - 2);
|
|
uint8_t BlendX = 0xFF - ((SourceX >> 8) & 0xFF);
|
|
tColor c1 = b->Blend(GetColor(sx, sy), GetColor(sx + 1, sy), BlendX);
|
|
tColor c2 = b->Blend(GetColor(sx, sy + 1), GetColor(sx + 1, sy + 1), BlendX);
|
|
tColor c3 = b->Blend(c1, c2, BlendY);
|
|
b->DrawPixel(x + X0(), y + Y0(), c3);
|
|
SourceX += RatioX;
|
|
}
|
|
SourceY += RatioY;
|
|
}
|
|
}
|
|
return b;
|
|
}
|
|
|
|
// --- cRect -----------------------------------------------------------------
|
|
|
|
const cRect cRect::Null;
|
|
|
|
void cRect::Grow(int Dx, int Dy)
|
|
{
|
|
point.Shift(-Dx, -Dy);
|
|
size.Grow(Dx, Dy);
|
|
}
|
|
|
|
bool cRect::Contains(const cPoint &Point) const
|
|
{
|
|
return Left() <= Point.X() &&
|
|
Top() <= Point.Y() &&
|
|
Right() >= Point.X() &&
|
|
Bottom() >= Point.Y();
|
|
}
|
|
|
|
bool cRect::Contains(const cRect &Rect) const
|
|
{
|
|
return Left() <= Rect.Left() &&
|
|
Top() <= Rect.Top() &&
|
|
Right() >= Rect.Right() &&
|
|
Bottom() >= Rect.Bottom();
|
|
}
|
|
|
|
bool cRect::Intersects(const cRect &Rect) const
|
|
{
|
|
return !(Left() > Rect.Right() ||
|
|
Top() > Rect.Bottom() ||
|
|
Right() < Rect.Left() ||
|
|
Bottom() < Rect.Top());
|
|
}
|
|
|
|
cRect cRect::Intersected(const cRect &Rect) const
|
|
{
|
|
cRect r;
|
|
if (!IsEmpty() && !Rect.IsEmpty()) {
|
|
r.SetLeft(max(Left(), Rect.Left()));
|
|
r.SetTop(max(Top(), Rect.Top()));
|
|
r.SetRight(min(Right(), Rect.Right()));
|
|
r.SetBottom(min(Bottom(), Rect.Bottom()));
|
|
}
|
|
return r;
|
|
}
|
|
|
|
void cRect::Combine(const cRect &Rect)
|
|
{
|
|
if (IsEmpty())
|
|
*this = Rect;
|
|
if (Rect.IsEmpty())
|
|
return;
|
|
// must set right/bottom *before* top/left!
|
|
SetRight(max(Right(), Rect.Right()));
|
|
SetBottom(max(Bottom(), Rect.Bottom()));
|
|
SetLeft(min(Left(), Rect.Left()));
|
|
SetTop(min(Top(), Rect.Top()));
|
|
}
|
|
|
|
void cRect::Combine(const cPoint &Point)
|
|
{
|
|
if (IsEmpty())
|
|
Set(Point.X(), Point.Y(), 1, 1);
|
|
// must set right/bottom *before* top/left!
|
|
SetRight(max(Right(), Point.X()));
|
|
SetBottom(max(Bottom(), Point.Y()));
|
|
SetLeft(min(Left(), Point.X()));
|
|
SetTop(min(Top(), Point.Y()));
|
|
}
|
|
|
|
// --- cPixmap ---------------------------------------------------------------
|
|
|
|
cMutex cPixmap::mutex;
|
|
|
|
cPixmap::cPixmap(void)
|
|
{
|
|
layer = -1;
|
|
alpha = ALPHA_OPAQUE;
|
|
tile = false;
|
|
}
|
|
|
|
cPixmap::cPixmap(int Layer, const cRect &ViewPort, const cRect &DrawPort)
|
|
{
|
|
layer = Layer;
|
|
if (layer >= MAXPIXMAPLAYERS) {
|
|
layer = MAXPIXMAPLAYERS - 1;
|
|
esyslog("ERROR: pixmap layer %d limited to %d", Layer, layer);
|
|
}
|
|
viewPort = ViewPort;
|
|
if (!DrawPort.IsEmpty())
|
|
drawPort = DrawPort;
|
|
else {
|
|
drawPort = viewPort;
|
|
drawPort.SetPoint(0, 0);
|
|
}
|
|
alpha = ALPHA_OPAQUE;
|
|
tile = false;
|
|
}
|
|
|
|
void cPixmap::MarkViewPortDirty(const cRect &Rect)
|
|
{
|
|
dirtyViewPort.Combine(Rect.Intersected(viewPort));
|
|
}
|
|
|
|
void cPixmap::MarkViewPortDirty(const cPoint &Point)
|
|
{
|
|
if (viewPort.Contains(Point))
|
|
dirtyViewPort.Combine(Point);
|
|
}
|
|
|
|
void cPixmap::MarkDrawPortDirty(const cRect &Rect)
|
|
{
|
|
dirtyDrawPort.Combine(Rect.Intersected(drawPort));
|
|
if (tile)
|
|
MarkViewPortDirty(viewPort);
|
|
else
|
|
MarkViewPortDirty(Rect.Shifted(viewPort.Point()));
|
|
}
|
|
|
|
void cPixmap::MarkDrawPortDirty(const cPoint &Point)
|
|
{
|
|
if (drawPort.Contains(Point)) {
|
|
dirtyDrawPort.Combine(Point);
|
|
if (tile)
|
|
MarkViewPortDirty(viewPort);
|
|
else
|
|
MarkViewPortDirty(Point.Shifted(viewPort.Point()));
|
|
}
|
|
}
|
|
|
|
void cPixmap::SetClean(void)
|
|
{
|
|
dirtyViewPort = dirtyDrawPort = cRect();
|
|
}
|
|
|
|
void cPixmap::SetLayer(int Layer)
|
|
{
|
|
Lock();
|
|
if (Layer >= MAXPIXMAPLAYERS) {
|
|
esyslog("ERROR: pixmap layer %d limited to %d", Layer, MAXPIXMAPLAYERS - 1);
|
|
Layer = MAXPIXMAPLAYERS - 1;
|
|
}
|
|
if (Layer != layer) {
|
|
if (Layer > 0 || layer > 0)
|
|
MarkViewPortDirty(viewPort);
|
|
layer = Layer;
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmap::SetAlpha(int Alpha)
|
|
{
|
|
Lock();
|
|
Alpha = constrain(Alpha, ALPHA_TRANSPARENT, ALPHA_OPAQUE);
|
|
if (Alpha != alpha) {
|
|
MarkViewPortDirty(viewPort);
|
|
alpha = Alpha;
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmap::SetTile(bool Tile)
|
|
{
|
|
Lock();
|
|
if (Tile != tile) {
|
|
if (drawPort.Point() != cPoint(0, 0) || drawPort.Width() < viewPort.Width() || drawPort.Height() < viewPort.Height())
|
|
MarkViewPortDirty(viewPort);
|
|
tile = Tile;
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmap::SetViewPort(const cRect &Rect)
|
|
{
|
|
Lock();
|
|
if (Rect != viewPort) {
|
|
if (tile)
|
|
MarkViewPortDirty(viewPort);
|
|
else
|
|
MarkViewPortDirty(drawPort.Shifted(viewPort.Point()));
|
|
viewPort = Rect;
|
|
if (tile)
|
|
MarkViewPortDirty(viewPort);
|
|
else
|
|
MarkViewPortDirty(drawPort.Shifted(viewPort.Point()));
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmap::SetDrawPortPoint(const cPoint &Point, bool Dirty)
|
|
{
|
|
Lock();
|
|
if (Point != drawPort.Point()) {
|
|
if (Dirty) {
|
|
if (tile)
|
|
MarkViewPortDirty(viewPort);
|
|
else
|
|
MarkViewPortDirty(drawPort.Shifted(viewPort.Point()));
|
|
}
|
|
drawPort.SetPoint(Point);
|
|
if (Dirty && !tile)
|
|
MarkViewPortDirty(drawPort.Shifted(viewPort.Point()));
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
// --- cImage ----------------------------------------------------------------
|
|
|
|
cImage::cImage(void)
|
|
{
|
|
data = NULL;
|
|
}
|
|
|
|
cImage::cImage(const cImage &Image)
|
|
{
|
|
size = Image.Size();
|
|
int l = size.Width() * size.Height() * sizeof(tColor);
|
|
data = MALLOC(tColor, l);
|
|
memcpy(data, Image.Data(), l);
|
|
}
|
|
|
|
cImage::cImage(const cSize &Size, const tColor *Data)
|
|
{
|
|
size = Size;
|
|
int l = size.Width() * size.Height() * sizeof(tColor);
|
|
data = MALLOC(tColor, l);
|
|
if (Data)
|
|
memcpy(data, Data, l);
|
|
}
|
|
|
|
cImage::~cImage()
|
|
{
|
|
free(data);
|
|
}
|
|
|
|
void cImage::Clear(void)
|
|
{
|
|
memset(data, 0x00, Width() * Height() * sizeof(tColor));
|
|
}
|
|
|
|
void cImage::Fill(tColor Color)
|
|
{
|
|
for (int i = Width() * Height() - 1; i >= 0; i--)
|
|
data[i] = Color;
|
|
}
|
|
|
|
// --- cPixmapMemory ---------------------------------------------------------
|
|
|
|
cPixmapMemory::cPixmapMemory(void)
|
|
{
|
|
data = NULL;
|
|
panning = false;
|
|
}
|
|
|
|
cPixmapMemory::cPixmapMemory(int Layer, const cRect &ViewPort, const cRect &DrawPort)
|
|
:cPixmap(Layer, ViewPort, DrawPort)
|
|
{
|
|
data = MALLOC(tColor, this->DrawPort().Width() * this->DrawPort().Height());
|
|
}
|
|
|
|
cPixmapMemory::~cPixmapMemory()
|
|
{
|
|
free(data);
|
|
}
|
|
|
|
void cPixmapMemory::Clear(void)
|
|
{
|
|
Lock();
|
|
memset(data, 0x00, DrawPort().Width() * DrawPort().Height() * sizeof(tColor));
|
|
MarkDrawPortDirty(DrawPort());
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::Fill(tColor Color)
|
|
{
|
|
Lock();
|
|
for (int i = DrawPort().Width() * DrawPort().Height() - 1; i >= 0; i--)
|
|
data[i] = Color;
|
|
MarkDrawPortDirty(DrawPort());
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmap::DrawPixmap(const cPixmap *Pixmap, const cRect &Dirty)
|
|
{
|
|
if (Pixmap->Tile() && (Pixmap->DrawPort().Point() != cPoint(0, 0) || Pixmap->DrawPort().Size() < Pixmap->ViewPort().Size())) {
|
|
cPoint t0 = Pixmap->DrawPort().Point().Shifted(Pixmap->ViewPort().Point()); // the origin of the draw port in absolute OSD coordinates
|
|
// Find the top/leftmost location where the draw port touches the view port:
|
|
while (t0.X() > Pixmap->ViewPort().Left())
|
|
t0.Shift(-Pixmap->DrawPort().Width(), 0);
|
|
while (t0.Y() > Pixmap->ViewPort().Top())
|
|
t0.Shift(0, -Pixmap->DrawPort().Height());
|
|
cPoint t = t0;;
|
|
while (t.Y() <= Pixmap->ViewPort().Bottom()) {
|
|
while (t.X() <= Pixmap->ViewPort().Right()) {
|
|
cRect Source = Pixmap->DrawPort(); // assume the entire pixmap needs to be rendered
|
|
Source.Shift(Pixmap->ViewPort().Point()); // Source is now in absolute OSD coordinates
|
|
cPoint Delta = Source.Point() - t;
|
|
Source.SetPoint(t); // Source is now where the pixmap's data shall be drawn
|
|
Source = Source.Intersected(Pixmap->ViewPort()); // Source is now limited to the pixmap's view port
|
|
Source = Source.Intersected(Dirty); // Source is now limited to the actual dirty rectangle
|
|
if (!Source.IsEmpty()) {
|
|
cPoint Dest = Source.Point().Shifted(-ViewPort().Point()); // remember the destination point
|
|
Source.Shift(Delta); // Source is now back at the pixmap's draw port location, still in absolute OSD coordinates
|
|
Source.Shift(-Pixmap->ViewPort().Point()); // Source is now relative to the pixmap's view port again
|
|
Source.Shift(-Pixmap->DrawPort().Point()); // Source is now relative to the pixmap's data
|
|
if (Pixmap->Layer() == 0)
|
|
Copy(Pixmap, Source, Dest); // this is the "background" pixmap
|
|
else
|
|
Render(Pixmap, Source, Dest); // all others are alpha blended over the background
|
|
}
|
|
t.Shift(Pixmap->DrawPort().Width(), 0); // increase one draw port width to the right
|
|
}
|
|
t.SetX(t0.X()); // go back to the leftmost position
|
|
t.Shift(0, Pixmap->DrawPort().Height()); // increase one draw port height down
|
|
}
|
|
}
|
|
else {
|
|
cRect Source = Pixmap->DrawPort(); // assume the entire pixmap needs to be rendered
|
|
Source.Shift(Pixmap->ViewPort().Point()); // Source is now in absolute OSD coordinates
|
|
Source = Source.Intersected(Pixmap->ViewPort()); // Source is now limited to the pixmap's view port
|
|
Source = Source.Intersected(Dirty); // Source is now limited to the actual dirty rectangle
|
|
if (!Source.IsEmpty()) {
|
|
cPoint Dest = Source.Point().Shifted(-ViewPort().Point()); // remember the destination point
|
|
Source.Shift(-Pixmap->ViewPort().Point()); // Source is now relative to the pixmap's draw port again
|
|
Source.Shift(-Pixmap->DrawPort().Point()); // Source is now relative to the pixmap's data
|
|
if (Pixmap->Layer() == 0)
|
|
Copy(Pixmap, Source, Dest); // this is the "background" pixmap
|
|
else
|
|
Render(Pixmap, Source, Dest); // all others are alpha blended over the background
|
|
}
|
|
}
|
|
}
|
|
|
|
void cPixmapMemory::DrawImage(const cPoint &Point, const cImage &Image)
|
|
{
|
|
Lock();
|
|
cRect r = cRect(Point, Image.Size()).Intersected(DrawPort().Size());
|
|
if (!r.IsEmpty()) {
|
|
int ws = Image.Size().Width();
|
|
int wd = DrawPort().Width();
|
|
int w = r.Width() * sizeof(tColor);
|
|
const tColor *ps = Image.Data();
|
|
if (Point.Y() < 0)
|
|
ps -= Point.Y() * ws;
|
|
if (Point.X() < 0)
|
|
ps -= Point.X();
|
|
tColor *pd = data + wd * r.Top() + r.Left();
|
|
for (int y = r.Height(); y-- > 0; ) {
|
|
memcpy(pd, ps, w);
|
|
ps += ws;
|
|
pd += wd;
|
|
}
|
|
MarkDrawPortDirty(r);
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::DrawImage(const cPoint &Point, int ImageHandle)
|
|
{
|
|
Lock();
|
|
if (const cImage *Image = cOsdProvider::GetImageData(ImageHandle))
|
|
DrawImage(Point, *Image);
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::DrawPixel(const cPoint &Point, tColor Color)
|
|
{
|
|
Lock();
|
|
if (DrawPort().Size().Contains(Point)) {
|
|
int p = Point.Y() * DrawPort().Width() + Point.X();
|
|
if (Layer() == 0 && !IS_OPAQUE(Color))
|
|
data[p] = AlphaBlend(Color, data[p]);
|
|
else
|
|
data[p] = Color;
|
|
MarkDrawPortDirty(Point);
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::DrawBitmap(const cPoint &Point, const cBitmap &Bitmap, tColor ColorFg, tColor ColorBg, bool Overlay)
|
|
{
|
|
Lock();
|
|
cRect r = cRect(Point, cSize(Bitmap.Width(), Bitmap.Height())).Intersected(DrawPort().Size());
|
|
if (!r.IsEmpty()) {
|
|
bool UseColors = ColorFg || ColorBg;
|
|
int wd = DrawPort().Width();
|
|
tColor *pd = data + wd * r.Top() + r.Left();
|
|
for (int y = r.Top(); y <= r.Bottom(); y++) {
|
|
tColor *cd = pd;
|
|
for (int x = r.Left(); x <= r.Right(); x++) {
|
|
tIndex Index = *Bitmap.Data(x - Point.X(), y - Point.Y());
|
|
if (Index || !Overlay) {
|
|
if (UseColors)
|
|
*cd = Index ? ColorFg : ColorBg;
|
|
else
|
|
*cd = Bitmap.Color(Index);
|
|
}
|
|
cd++;
|
|
}
|
|
pd += wd;
|
|
}
|
|
MarkDrawPortDirty(r);
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::DrawText(const cPoint &Point, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font, int Width, int Height, int Alignment)
|
|
{
|
|
Lock();
|
|
int x = Point.X();
|
|
int y = Point.Y();
|
|
int w = Font->Width(s);
|
|
int h = Font->Height();
|
|
int limit = 0;
|
|
int cw = Width ? Width : w;
|
|
int ch = Height ? Height : h;
|
|
cRect r(x, y, cw, ch);
|
|
if (ColorBg != clrTransparent)
|
|
DrawRectangle(r, ColorBg);
|
|
if (Width || Height) {
|
|
limit = x + cw;
|
|
if (Width) {
|
|
if ((Alignment & taLeft) != 0) {
|
|
if ((Alignment & taBorder) != 0)
|
|
x += max(h / TEXT_ALIGN_BORDER, 1);
|
|
}
|
|
else if ((Alignment & taRight) != 0) {
|
|
if (w < Width)
|
|
x += Width - w;
|
|
if ((Alignment & taBorder) != 0)
|
|
x -= max(h / TEXT_ALIGN_BORDER, 1);
|
|
}
|
|
else { // taCentered
|
|
if (w < Width)
|
|
x += (Width - w) / 2;
|
|
}
|
|
}
|
|
if (Height) {
|
|
if ((Alignment & taTop) != 0)
|
|
;
|
|
else if ((Alignment & taBottom) != 0) {
|
|
if (h < Height)
|
|
y += Height - h;
|
|
}
|
|
else { // taCentered
|
|
if (h < Height)
|
|
y += (Height - h) / 2;
|
|
}
|
|
}
|
|
}
|
|
Font->DrawText(this, x, y, s, ColorFg, ColorBg, limit);
|
|
MarkDrawPortDirty(r);
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::DrawRectangle(const cRect &Rect, tColor Color)
|
|
{
|
|
Lock();
|
|
cRect r = Rect.Intersected(DrawPort().Size());
|
|
if (!r.IsEmpty()) {
|
|
int wd = DrawPort().Width();
|
|
int w = r.Width() * sizeof(tColor);
|
|
tColor *ps = NULL;
|
|
tColor *pd = data + wd * r.Top() + r.Left();
|
|
for (int y = r.Height(); y-- > 0; ) {
|
|
if (ps)
|
|
memcpy(pd, ps, w); // all other lines are copied fast from the first one
|
|
else {
|
|
// explicitly fill the first line:
|
|
tColor *cd = ps = pd;
|
|
for (int x = r.Width(); x-- > 0; ) {
|
|
*cd = Color;
|
|
cd++;
|
|
}
|
|
}
|
|
pd += wd;
|
|
}
|
|
MarkDrawPortDirty(r);
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::DrawEllipse(const cRect &Rect, tColor Color, int Quadrants)
|
|
{
|
|
//TODO use anti-aliasing?
|
|
//TODO fix alignment
|
|
Lock();
|
|
// Algorithm based on http://homepage.smc.edu/kennedy_john/BELIPSE.PDF
|
|
int x1 = Rect.Left();
|
|
int y1 = Rect.Top();
|
|
int x2 = Rect.Right();
|
|
int y2 = Rect.Bottom();
|
|
int rx = x2 - x1;
|
|
int ry = y2 - y1;
|
|
int cx = (x1 + x2) / 2;
|
|
int cy = (y1 + y2) / 2;
|
|
switch (abs(Quadrants)) {
|
|
case 0: rx /= 2; ry /= 2; break;
|
|
case 1: cx = x1; cy = y2; break;
|
|
case 2: cx = x2; cy = y2; break;
|
|
case 3: cx = x2; cy = y1; break;
|
|
case 4: cx = x1; cy = y1; break;
|
|
case 5: cx = x1; ry /= 2; break;
|
|
case 6: cy = y2; rx /= 2; break;
|
|
case 7: cx = x2; ry /= 2; break;
|
|
case 8: cy = y1; rx /= 2; break;
|
|
default: ;
|
|
}
|
|
int TwoASquare = 2 * rx * rx;
|
|
int TwoBSquare = 2 * ry * ry;
|
|
int x = rx;
|
|
int y = 0;
|
|
int XChange = ry * ry * (1 - 2 * rx);
|
|
int YChange = rx * rx;
|
|
int EllipseError = 0;
|
|
int StoppingX = TwoBSquare * rx;
|
|
int StoppingY = 0;
|
|
while (StoppingX >= StoppingY) {
|
|
switch (Quadrants) {
|
|
case 5: DrawRectangle(cRect(cx, cy + y, x + 1, 1), Color); // no break
|
|
case 1: DrawRectangle(cRect(cx, cy - y, x + 1, 1), Color); break;
|
|
case 7: DrawRectangle(cRect(cx - x, cy + y, x + 1, 1), Color); // no break
|
|
case 2: DrawRectangle(cRect(cx - x, cy - y, x + 1, 1), Color); break;
|
|
case 3: DrawRectangle(cRect(cx - x, cy + y, x + 1, 1), Color); break;
|
|
case 4: DrawRectangle(cRect(cx, cy + y, x + 1, 1), Color); break;
|
|
case 0:
|
|
case 6: DrawRectangle(cRect(cx - x, cy - y, 2 * x + 1, 1), Color); if (Quadrants == 6) break;
|
|
case 8: DrawRectangle(cRect(cx - x, cy + y, 2 * x + 1, 1), Color); break;
|
|
case -1: DrawRectangle(cRect(cx + x, cy - y, rx - x + 1, 1), Color); break;
|
|
case -2: DrawRectangle(cRect(x1, cy - y, cx - x - x1 + 1, 1), Color); break;
|
|
case -3: DrawRectangle(cRect(x1, cy + y, cx - x - x1 + 1, 1), Color); break;
|
|
case -4: DrawRectangle(cRect(cx + x, cy + y, rx - x + 1, 1), Color); break;
|
|
default: ;
|
|
}
|
|
y++;
|
|
StoppingY += TwoASquare;
|
|
EllipseError += YChange;
|
|
YChange += TwoASquare;
|
|
if (2 * EllipseError + XChange > 0) {
|
|
x--;
|
|
StoppingX -= TwoBSquare;
|
|
EllipseError += XChange;
|
|
XChange += TwoBSquare;
|
|
}
|
|
}
|
|
x = 0;
|
|
y = ry;
|
|
XChange = ry * ry;
|
|
YChange = rx * rx * (1 - 2 * ry);
|
|
EllipseError = 0;
|
|
StoppingX = 0;
|
|
StoppingY = TwoASquare * ry;
|
|
while (StoppingX <= StoppingY) {
|
|
switch (Quadrants) {
|
|
case 5: DrawRectangle(cRect(cx, cy + y, x + 1, 1), Color); // no break
|
|
case 1: DrawRectangle(cRect(cx, cy - y, x + 1, 1), Color); break;
|
|
case 7: DrawRectangle(cRect(cx - x, cy + y, x + 1, 1), Color); // no break
|
|
case 2: DrawRectangle(cRect(cx - x, cy - y, x + 1, 1), Color); break;
|
|
case 3: DrawRectangle(cRect(cx - x, cy + y, x + 1, 1), Color); break;
|
|
case 4: DrawRectangle(cRect(cx, cy + y, x + 1, 1), Color); break;
|
|
case 0:
|
|
case 6: DrawRectangle(cRect(cx - x, cy - y, 2 * x + 1, 1), Color); if (Quadrants == 6) break;
|
|
case 8: DrawRectangle(cRect(cx - x, cy + y, 2 * x + 1, 1), Color); break;
|
|
case -1: DrawRectangle(cRect(cx + x, cy - y, rx - x + 1, 1), Color); break;
|
|
case -2: DrawRectangle(cRect(x1, cy - y, cx - x - x1 + 1, 1), Color); break;
|
|
case -3: DrawRectangle(cRect(x1, cy + y, cx - x - x1 + 1, 1), Color); break;
|
|
case -4: DrawRectangle(cRect(cx + x, cy + y, rx - x + 1, 1), Color); break;
|
|
default: ;
|
|
}
|
|
x++;
|
|
StoppingX += TwoBSquare;
|
|
EllipseError += XChange;
|
|
XChange += TwoBSquare;
|
|
if (2 * EllipseError + YChange > 0) {
|
|
y--;
|
|
StoppingY -= TwoASquare;
|
|
EllipseError += YChange;
|
|
YChange += TwoASquare;
|
|
}
|
|
}
|
|
MarkDrawPortDirty(Rect);
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::DrawSlope(const cRect &Rect, tColor Color, int Type)
|
|
{
|
|
//TODO anti-aliasing?
|
|
//TODO also simplify cBitmap::DrawSlope()
|
|
Lock();
|
|
bool upper = Type & 0x01;
|
|
bool falling = Type & 0x02;
|
|
bool vertical = Type & 0x04;
|
|
int x1 = Rect.Left();
|
|
int y1 = Rect.Top();
|
|
int x2 = Rect.Right();
|
|
int y2 = Rect.Bottom();
|
|
int w = Rect.Width();
|
|
int h = Rect.Height();
|
|
if (vertical) {
|
|
for (int y = y1; y <= y2; y++) {
|
|
double c = cos((y - y1) * M_PI / h);
|
|
if (falling)
|
|
c = -c;
|
|
int x = (x1 + x2) / 2 + int(w * c / 2);
|
|
if (upper && !falling || !upper && falling)
|
|
DrawRectangle(cRect(x1, y, x - x1 + 1, 1), Color);
|
|
else
|
|
DrawRectangle(cRect(x, y, x2 - x + 1, 1), Color);
|
|
}
|
|
}
|
|
else {
|
|
for (int x = x1; x <= x2; x++) {
|
|
double c = cos((x - x1) * M_PI / w);
|
|
if (falling)
|
|
c = -c;
|
|
int y = (y1 + y2) / 2 + int(h * c / 2);
|
|
if (upper)
|
|
DrawRectangle(cRect(x, y1, 1, y - y1 + 1), Color);
|
|
else
|
|
DrawRectangle(cRect(x, y, 1, y2 - y + 1), Color);
|
|
}
|
|
}
|
|
MarkDrawPortDirty(Rect);
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::Render(const cPixmap *Pixmap, const cRect &Source, const cPoint &Dest)
|
|
{
|
|
Lock();
|
|
if (Pixmap->Alpha() != ALPHA_TRANSPARENT) {
|
|
if (const cPixmapMemory *pm = dynamic_cast<const cPixmapMemory *>(Pixmap)) {
|
|
cRect s = Source.Intersected(Pixmap->DrawPort().Size());
|
|
if (!s.IsEmpty()) {
|
|
cPoint v = Dest - Source.Point();
|
|
cRect d = s.Shifted(v).Intersected(DrawPort().Size());
|
|
if (!d.IsEmpty()) {
|
|
s = d.Shifted(-v);
|
|
int a = pm->Alpha();
|
|
int ws = pm->DrawPort().Width();
|
|
int wd = DrawPort().Width();
|
|
const tColor *ps = pm->data + ws * s.Top() + s.Left();
|
|
tColor *pd = data + wd * d.Top() + d.Left();
|
|
for (int y = d.Height(); y-- > 0; ) {
|
|
const tColor *cs = ps;
|
|
tColor *cd = pd;
|
|
for (int x = d.Width(); x-- > 0; ) {
|
|
*cd = AlphaBlend(*cs, *cd, a);
|
|
cs++;
|
|
cd++;
|
|
}
|
|
ps += ws;
|
|
pd += wd;
|
|
}
|
|
MarkDrawPortDirty(d);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::Copy(const cPixmap *Pixmap, const cRect &Source, const cPoint &Dest)
|
|
{
|
|
Lock();
|
|
if (const cPixmapMemory *pm = dynamic_cast<const cPixmapMemory *>(Pixmap)) {
|
|
cRect s = Source.Intersected(pm->DrawPort().Size());
|
|
if (!s.IsEmpty()) {
|
|
cPoint v = Dest - Source.Point();
|
|
cRect d = s.Shifted(v).Intersected(DrawPort().Size());
|
|
if (!d.IsEmpty()) {
|
|
s = d.Shifted(-v);
|
|
int ws = pm->DrawPort().Width();
|
|
int wd = DrawPort().Width();
|
|
int w = d.Width() * sizeof(tColor);
|
|
const tColor *ps = pm->data + ws * s.Top() + s.Left();
|
|
tColor *pd = data + wd * d.Top() + d.Left();
|
|
for (int y = d.Height(); y-- > 0; ) {
|
|
memcpy(pd, ps, w);
|
|
ps += ws;
|
|
pd += wd;
|
|
}
|
|
MarkDrawPortDirty(d);
|
|
}
|
|
}
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::Scroll(const cPoint &Dest, const cRect &Source)
|
|
{
|
|
Lock();
|
|
cRect s;
|
|
if (&Source == &cRect::Null)
|
|
s = DrawPort().Shifted(-DrawPort().Point());
|
|
else
|
|
s = Source.Intersected(DrawPort().Size());
|
|
if (!s.IsEmpty()) {
|
|
cPoint v = Dest - Source.Point();
|
|
cRect d = s.Shifted(v).Intersected(DrawPort().Size());
|
|
if (!d.IsEmpty()) {
|
|
s = d.Shifted(-v);
|
|
if (d.Point() != s.Point()) {
|
|
int ws = DrawPort().Width();
|
|
int wd = ws;
|
|
int w = d.Width() * sizeof(tColor);
|
|
const tColor *ps = data + ws * s.Top() + s.Left();
|
|
tColor *pd = data + wd * d.Top() + d.Left();
|
|
for (int y = d.Height(); y-- > 0; ) {
|
|
memmove(pd, ps, w); // source and destination might overlap!
|
|
ps += ws;
|
|
pd += wd;
|
|
}
|
|
if (panning)
|
|
SetDrawPortPoint(DrawPort().Point().Shifted(s.Point() - d.Point()), false);
|
|
else
|
|
MarkDrawPortDirty(d);
|
|
}
|
|
}
|
|
}
|
|
Unlock();
|
|
}
|
|
|
|
void cPixmapMemory::Pan(const cPoint &Dest, const cRect &Source)
|
|
{
|
|
Lock();
|
|
panning = true;
|
|
Scroll(Dest, Source);
|
|
panning = false;
|
|
Unlock();
|
|
}
|
|
|
|
// --- cOsd ------------------------------------------------------------------
|
|
|
|
static const char *OsdErrorTexts[] = {
|
|
"ok",
|
|
"too many areas",
|
|
"too many colors",
|
|
"bpp not supported",
|
|
"areas overlap",
|
|
"wrong alignment",
|
|
"out of memory",
|
|
"wrong area size",
|
|
"unknown",
|
|
};
|
|
|
|
int cOsd::osdLeft = 0;
|
|
int cOsd::osdTop = 0;
|
|
int cOsd::osdWidth = 0;
|
|
int cOsd::osdHeight = 0;
|
|
cVector<cOsd *> cOsd::Osds;
|
|
cMutex cOsd::mutex;
|
|
|
|
cOsd::cOsd(int Left, int Top, uint Level)
|
|
{
|
|
cMutexLock MutexLock(&mutex);
|
|
isTrueColor = false;
|
|
savedBitmap = NULL;
|
|
numBitmaps = 0;
|
|
savedPixmap = NULL;
|
|
left = Left;
|
|
top = Top;
|
|
width = height = 0;
|
|
level = Level;
|
|
active = false;
|
|
for (int i = 0; i < Osds.Size(); i++) {
|
|
if (Osds[i]->level > level) {
|
|
Osds.Insert(this, i);
|
|
return;
|
|
}
|
|
}
|
|
Osds.Append(this);
|
|
}
|
|
|
|
cOsd::~cOsd()
|
|
{
|
|
cMutexLock MutexLock(&mutex);
|
|
for (int i = 0; i < numBitmaps; i++)
|
|
delete bitmaps[i];
|
|
delete savedBitmap;
|
|
delete savedPixmap;
|
|
for (int i = 0; i < pixmaps.Size(); i++)
|
|
delete pixmaps[i];
|
|
for (int i = 0; i < Osds.Size(); i++) {
|
|
if (Osds[i] == this) {
|
|
Osds.Remove(i);
|
|
if (Osds.Size())
|
|
Osds[0]->SetActive(true);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void cOsd::SetOsdPosition(int Left, int Top, int Width, int Height)
|
|
{
|
|
osdLeft = Left;
|
|
osdTop = Top;
|
|
osdWidth = constrain(Width, MINOSDWIDTH, MAXOSDWIDTH);
|
|
osdHeight = constrain(Height, MINOSDHEIGHT, MAXOSDHEIGHT);
|
|
}
|
|
|
|
void cOsd::SetAntiAliasGranularity(uint FixedColors, uint BlendColors)
|
|
{
|
|
if (isTrueColor)
|
|
return;
|
|
for (int i = 0; i < numBitmaps; i++)
|
|
bitmaps[i]->SetAntiAliasGranularity(FixedColors, BlendColors);
|
|
}
|
|
|
|
cBitmap *cOsd::GetBitmap(int Area)
|
|
{
|
|
return Area < numBitmaps ? (isTrueColor ? bitmaps[0] : bitmaps[Area]) : NULL;
|
|
}
|
|
|
|
cPixmap *cOsd::CreatePixmap(int Layer, const cRect &ViewPort, const cRect &DrawPort)
|
|
{
|
|
if (isTrueColor) {
|
|
LOCK_PIXMAPS;
|
|
cPixmap *Pixmap = new cPixmapMemory(Layer, ViewPort, DrawPort);
|
|
if (AddPixmap(Pixmap))
|
|
return Pixmap;
|
|
delete Pixmap;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void cOsd::DestroyPixmap(cPixmap *Pixmap)
|
|
{
|
|
if (Pixmap) {
|
|
LOCK_PIXMAPS;
|
|
for (int i = 1; i < pixmaps.Size(); i++) { // begin at 1 - don't let the background pixmap be destroyed!
|
|
if (pixmaps[i] == Pixmap) {
|
|
pixmaps[0]->MarkViewPortDirty(Pixmap->ViewPort());
|
|
delete Pixmap;
|
|
pixmaps[i] = NULL;
|
|
return;
|
|
}
|
|
}
|
|
esyslog("ERROR: attempt to destroy an unregistered pixmap");
|
|
}
|
|
}
|
|
|
|
cPixmap *cOsd::AddPixmap(cPixmap *Pixmap)
|
|
{
|
|
if (Pixmap) {
|
|
LOCK_PIXMAPS;
|
|
for (int i = 0; i < pixmaps.Size(); i++) {
|
|
if (!pixmaps[i])
|
|
return pixmaps[i] = Pixmap;
|
|
}
|
|
pixmaps.Append(Pixmap);
|
|
}
|
|
return Pixmap;
|
|
}
|
|
|
|
cPixmapMemory *cOsd::RenderPixmaps(void)
|
|
{
|
|
cPixmapMemory *Pixmap = NULL;
|
|
if (isTrueColor) {
|
|
LOCK_PIXMAPS;
|
|
// Collect overlapping dirty rectangles:
|
|
cRect d;
|
|
for (int i = 0; i < pixmaps.Size(); i++) {
|
|
if (cPixmap *pm = pixmaps[i]) {
|
|
if (!pm->DirtyViewPort().IsEmpty()) {
|
|
if (d.IsEmpty() || d.Intersects(pm->DirtyViewPort())) {
|
|
d.Combine(pm->DirtyViewPort());
|
|
pm->SetClean();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (!d.IsEmpty()) {
|
|
//#define DebugDirty
|
|
#ifdef DebugDirty
|
|
static cRect OldDirty;
|
|
cRect NewDirty = d;
|
|
d.Combine(OldDirty);
|
|
OldDirty = NewDirty;
|
|
#endif
|
|
Pixmap = new cPixmapMemory(0, d);
|
|
Pixmap->Clear();
|
|
// Render the individual pixmaps into the resulting pixmap:
|
|
for (int Layer = 0; Layer < MAXPIXMAPLAYERS; Layer++) {
|
|
for (int i = 0; i < pixmaps.Size(); i++) {
|
|
if (cPixmap *pm = pixmaps[i]) {
|
|
if (pm->Layer() == Layer)
|
|
Pixmap->DrawPixmap(pm, d);
|
|
}
|
|
}
|
|
}
|
|
#ifdef DebugDirty
|
|
cPixmapMemory DirtyIndicator(7, NewDirty);
|
|
static tColor DirtyIndicatorColors[] = { 0x7FFFFF00, 0x7F00FFFF };
|
|
static int DirtyIndicatorIndex = 0;
|
|
DirtyIndicator.Fill(DirtyIndicatorColors[DirtyIndicatorIndex]);
|
|
DirtyIndicatorIndex = 1 - DirtyIndicatorIndex;
|
|
Pixmap->Render(&DirtyIndicator, DirtyIndicator.DrawPort(), DirtyIndicator.ViewPort().Point().Shifted(-Pixmap->ViewPort().Point()));
|
|
#endif
|
|
}
|
|
}
|
|
return Pixmap;
|
|
}
|
|
|
|
eOsdError cOsd::CanHandleAreas(const tArea *Areas, int NumAreas)
|
|
{
|
|
if (NumAreas > MAXOSDAREAS)
|
|
return oeTooManyAreas;
|
|
eOsdError Result = oeOk;
|
|
for (int i = 0; i < NumAreas; i++) {
|
|
if (Areas[i].x1 > Areas[i].x2 || Areas[i].y1 > Areas[i].y2 || Areas[i].x1 < 0 || Areas[i].y1 < 0)
|
|
return oeWrongAlignment;
|
|
for (int j = i + 1; j < NumAreas; j++) {
|
|
if (Areas[i].Intersects(Areas[j])) {
|
|
Result = oeAreasOverlap;
|
|
break;
|
|
}
|
|
}
|
|
if (Areas[i].bpp == 32) {
|
|
if (NumAreas > 1)
|
|
return oeTooManyAreas;
|
|
}
|
|
}
|
|
return Result;
|
|
}
|
|
|
|
eOsdError cOsd::SetAreas(const tArea *Areas, int NumAreas)
|
|
{
|
|
eOsdError Result = CanHandleAreas(Areas, NumAreas);
|
|
if (Result == oeOk) {
|
|
while (numBitmaps)
|
|
delete bitmaps[--numBitmaps];
|
|
for (int i = 0; i < pixmaps.Size(); i++) {
|
|
delete pixmaps[i];
|
|
pixmaps[i] = NULL;
|
|
}
|
|
width = height = 0;
|
|
isTrueColor = NumAreas == 1 && Areas[0].bpp == 32;
|
|
if (isTrueColor) {
|
|
width = Areas[0].x2 - Areas[0].x1 + 1;
|
|
height = Areas[0].y2 - Areas[0].y1 + 1;
|
|
cPixmap *Pixmap = CreatePixmap(0, cRect(Areas[0].x1, Areas[0].y1, width, height));
|
|
Pixmap->Clear();
|
|
bitmaps[numBitmaps++] = new cBitmap(10, 10, 8); // dummy bitmap for GetBitmap()
|
|
}
|
|
else {
|
|
for (int i = 0; i < NumAreas; i++) {
|
|
bitmaps[numBitmaps++] = new cBitmap(Areas[i].Width(), Areas[i].Height(), Areas[i].bpp, Areas[i].x1, Areas[i].y1);
|
|
width = max(width, Areas[i].x2 + 1);
|
|
height = max(height, Areas[i].y2 + 1);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
esyslog("ERROR: cOsd::SetAreas returned %d (%s)", Result, Result < oeUnknown ? OsdErrorTexts[Result] : OsdErrorTexts[oeUnknown]);
|
|
return Result;
|
|
}
|
|
|
|
void cOsd::SaveRegion(int x1, int y1, int x2, int y2)
|
|
{
|
|
if (isTrueColor) {
|
|
delete savedPixmap;
|
|
cRect r(x1, y1, x2 - x1 + 1, y2 - y1 + 1);
|
|
savedPixmap = new cPixmapMemory(0, r);
|
|
savedPixmap->Copy(pixmaps[0], r, cPoint(0, 0));
|
|
}
|
|
else {
|
|
delete savedBitmap;
|
|
savedBitmap = new cBitmap(x2 - x1 + 1, y2 - y1 + 1, 8, x1, y1);
|
|
for (int i = 0; i < numBitmaps; i++)
|
|
savedBitmap->DrawBitmap(bitmaps[i]->X0(), bitmaps[i]->Y0(), *bitmaps[i]);
|
|
}
|
|
}
|
|
|
|
void cOsd::RestoreRegion(void)
|
|
{
|
|
if (isTrueColor) {
|
|
if (savedPixmap) {
|
|
pixmaps[0]->Copy(savedPixmap, savedPixmap->DrawPort(), savedPixmap->ViewPort().Point());
|
|
delete savedPixmap;
|
|
savedPixmap = NULL;
|
|
}
|
|
}
|
|
else {
|
|
if (savedBitmap) {
|
|
DrawBitmap(savedBitmap->X0(), savedBitmap->Y0(), *savedBitmap);
|
|
delete savedBitmap;
|
|
savedBitmap = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
eOsdError cOsd::SetPalette(const cPalette &Palette, int Area)
|
|
{
|
|
if (isTrueColor)
|
|
return oeOk;
|
|
if (Area < numBitmaps) {
|
|
bitmaps[Area]->Take(Palette);
|
|
return oeOk;
|
|
}
|
|
return oeUnknown;
|
|
}
|
|
|
|
void cOsd::DrawImage(const cPoint &Point, const cImage &Image)
|
|
{
|
|
if (isTrueColor)
|
|
pixmaps[0]->DrawImage(Point, Image);
|
|
}
|
|
|
|
void cOsd::DrawImage(const cPoint &Point, int ImageHandle)
|
|
{
|
|
if (isTrueColor)
|
|
pixmaps[0]->DrawImage(Point, ImageHandle);
|
|
}
|
|
|
|
void cOsd::DrawPixel(int x, int y, tColor Color)
|
|
{
|
|
if (isTrueColor)
|
|
pixmaps[0]->DrawPixel(cPoint(x, y), Color);
|
|
else {
|
|
for (int i = 0; i < numBitmaps; i++)
|
|
bitmaps[i]->DrawPixel(x, y, Color);
|
|
}
|
|
}
|
|
|
|
void cOsd::DrawBitmap(int x, int y, const cBitmap &Bitmap, tColor ColorFg, tColor ColorBg, bool ReplacePalette, bool Overlay)
|
|
{
|
|
if (isTrueColor)
|
|
pixmaps[0]->DrawBitmap(cPoint(x, y), Bitmap, ColorFg, ColorBg, Overlay);
|
|
else {
|
|
for (int i = 0; i < numBitmaps; i++)
|
|
bitmaps[i]->DrawBitmap(x, y, Bitmap, ColorFg, ColorBg, ReplacePalette, Overlay);
|
|
}
|
|
}
|
|
|
|
void cOsd::DrawText(int x, int y, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font, int Width, int Height, int Alignment)
|
|
{
|
|
if (isTrueColor)
|
|
pixmaps[0]->DrawText(cPoint(x, y), s, ColorFg, ColorBg, Font, Width, Height, Alignment);
|
|
else {
|
|
for (int i = 0; i < numBitmaps; i++)
|
|
bitmaps[i]->DrawText(x, y, s, ColorFg, ColorBg, Font, Width, Height, Alignment);
|
|
}
|
|
}
|
|
|
|
void cOsd::DrawRectangle(int x1, int y1, int x2, int y2, tColor Color)
|
|
{
|
|
if (isTrueColor)
|
|
pixmaps[0]->DrawRectangle(cRect(x1, y1, x2 - x1 + 1, y2 - y1 + 1), Color);
|
|
else {
|
|
for (int i = 0; i < numBitmaps; i++)
|
|
bitmaps[i]->DrawRectangle(x1, y1, x2, y2, Color);
|
|
}
|
|
}
|
|
|
|
void cOsd::DrawEllipse(int x1, int y1, int x2, int y2, tColor Color, int Quadrants)
|
|
{
|
|
if (isTrueColor)
|
|
pixmaps[0]->DrawEllipse(cRect(x1, y1, x2 - x1 + 1, y2 - y1 + 1), Color, Quadrants);
|
|
else {
|
|
for (int i = 0; i < numBitmaps; i++)
|
|
bitmaps[i]->DrawEllipse(x1, y1, x2, y2, Color, Quadrants);
|
|
}
|
|
}
|
|
|
|
void cOsd::DrawSlope(int x1, int y1, int x2, int y2, tColor Color, int Type)
|
|
{
|
|
if (isTrueColor)
|
|
pixmaps[0]->DrawSlope(cRect(x1, y1, x2 - x1 + 1, y2 - y1 + 1), Color, Type);
|
|
else {
|
|
for (int i = 0; i < numBitmaps; i++)
|
|
bitmaps[i]->DrawSlope(x1, y1, x2, y2, Color, Type);
|
|
}
|
|
}
|
|
|
|
void cOsd::Flush(void)
|
|
{
|
|
}
|
|
|
|
// --- cOsdProvider ----------------------------------------------------------
|
|
|
|
cOsdProvider *cOsdProvider::osdProvider = NULL;
|
|
int cOsdProvider::oldWidth = 0;
|
|
int cOsdProvider::oldHeight = 0;
|
|
double cOsdProvider::oldAspect = 1.0;
|
|
cImage *cOsdProvider::images[MAXOSDIMAGES] = { NULL };
|
|
|
|
cOsdProvider::cOsdProvider(void)
|
|
{
|
|
delete osdProvider;
|
|
osdProvider = this;
|
|
}
|
|
|
|
cOsdProvider::~cOsdProvider()
|
|
{
|
|
osdProvider = NULL;
|
|
}
|
|
|
|
cOsd *cOsdProvider::NewOsd(int Left, int Top, uint Level)
|
|
{
|
|
cMutexLock MutexLock(&cOsd::mutex);
|
|
if (Level == OSD_LEVEL_DEFAULT && cOsd::IsOpen())
|
|
esyslog("ERROR: attempt to open OSD while it is already open - using dummy OSD!");
|
|
else if (osdProvider) {
|
|
cOsd *ActiveOsd = cOsd::Osds.Size() ? cOsd::Osds[0] : NULL;
|
|
cOsd *Osd = osdProvider->CreateOsd(Left, Top, Level);
|
|
if (Osd == cOsd::Osds[0]) {
|
|
if (ActiveOsd)
|
|
ActiveOsd->SetActive(false);
|
|
Osd->SetActive(true);
|
|
}
|
|
return Osd;
|
|
}
|
|
else
|
|
esyslog("ERROR: no OSD provider available - using dummy OSD!");
|
|
return new cOsd(Left, Top, 999); // create a dummy cOsd, so that access won't result in a segfault
|
|
}
|
|
|
|
void cOsdProvider::UpdateOsdSize(bool Force)
|
|
{
|
|
int Width;
|
|
int Height;
|
|
double Aspect;
|
|
cDevice::PrimaryDevice()->GetOsdSize(Width, Height, Aspect);
|
|
if (Width != oldWidth || Height != oldHeight || !DoubleEqual(Aspect, oldAspect) || Force) {
|
|
Setup.OSDLeft = int(round(Width * Setup.OSDLeftP));
|
|
Setup.OSDTop = int(round(Height * Setup.OSDTopP));
|
|
Setup.OSDWidth = int(round(Width * Setup.OSDWidthP)) & ~0x07; // OSD width must be a multiple of 8
|
|
Setup.OSDHeight = int(round(Height * Setup.OSDHeightP));
|
|
Setup.OSDAspect = Aspect;
|
|
Setup.FontOsdSize = int(round(Height * Setup.FontOsdSizeP));
|
|
Setup.FontFixSize = int(round(Height * Setup.FontFixSizeP));
|
|
Setup.FontSmlSize = int(round(Height * Setup.FontSmlSizeP));
|
|
cFont::SetFont(fontOsd, Setup.FontOsd, Setup.FontOsdSize);
|
|
cFont::SetFont(fontFix, Setup.FontFix, Setup.FontFixSize);
|
|
cFont::SetFont(fontSml, Setup.FontSml, min(Setup.FontSmlSize, Setup.FontOsdSize));
|
|
oldWidth = Width;
|
|
oldHeight = Height;
|
|
oldAspect = Aspect;
|
|
dsyslog("OSD size changed to %dx%d @ %g", Width, Height, Aspect);
|
|
}
|
|
}
|
|
|
|
bool cOsdProvider::SupportsTrueColor(void)
|
|
{
|
|
if (osdProvider) {
|
|
return osdProvider->ProvidesTrueColor();
|
|
}
|
|
else
|
|
esyslog("ERROR: no OSD provider available in call to SupportsTrueColor()");
|
|
return false;
|
|
}
|
|
|
|
int cOsdProvider::StoreImageData(const cImage &Image)
|
|
{
|
|
LOCK_PIXMAPS;
|
|
for (int i = 1; i < MAXOSDIMAGES; i++) {
|
|
if (!images[i]) {
|
|
images[i] = new cImage(Image);
|
|
return i;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void cOsdProvider::DropImageData(int ImageHandle)
|
|
{
|
|
LOCK_PIXMAPS;
|
|
if (0 < ImageHandle && ImageHandle < MAXOSDIMAGES) {
|
|
delete images[ImageHandle];
|
|
images[ImageHandle] = NULL;
|
|
}
|
|
}
|
|
|
|
const cImage *cOsdProvider::GetImageData(int ImageHandle)
|
|
{
|
|
LOCK_PIXMAPS;
|
|
if (0 < ImageHandle && ImageHandle < MAXOSDIMAGES)
|
|
return images[ImageHandle];
|
|
return NULL;
|
|
}
|
|
|
|
int cOsdProvider::StoreImage(const cImage &Image)
|
|
{
|
|
if (osdProvider)
|
|
return osdProvider->StoreImageData(Image);
|
|
return -1;
|
|
}
|
|
|
|
void cOsdProvider::DropImage(int ImageHandle)
|
|
{
|
|
if (osdProvider)
|
|
osdProvider->DropImageData(ImageHandle);
|
|
}
|
|
|
|
void cOsdProvider::Shutdown(void)
|
|
{
|
|
delete osdProvider;
|
|
osdProvider = NULL;
|
|
}
|
|
|
|
// --- cTextScroller ---------------------------------------------------------
|
|
|
|
cTextScroller::cTextScroller(void)
|
|
{
|
|
osd = NULL;
|
|
left = top = width = height = 0;
|
|
font = NULL;
|
|
colorFg = 0;
|
|
colorBg = 0;
|
|
offset = 0;
|
|
shown = 0;
|
|
}
|
|
|
|
cTextScroller::cTextScroller(cOsd *Osd, int Left, int Top, int Width, int Height, const char *Text, const cFont *Font, tColor ColorFg, tColor ColorBg)
|
|
{
|
|
Set(Osd, Left, Top, Width, Height, Text, Font, ColorFg, ColorBg);
|
|
}
|
|
|
|
void cTextScroller::Set(cOsd *Osd, int Left, int Top, int Width, int Height, const char *Text, const cFont *Font, tColor ColorFg, tColor ColorBg)
|
|
{
|
|
osd = Osd;
|
|
left = Left;
|
|
top = Top;
|
|
width = Width;
|
|
height = Height;
|
|
font = Font;
|
|
colorFg = ColorFg;
|
|
colorBg = ColorBg;
|
|
offset = 0;
|
|
textWrapper.Set(Text, Font, Width);
|
|
shown = min(Total(), height / font->Height());
|
|
height = shown * font->Height(); // sets height to the actually used height, which may be less than Height
|
|
DrawText();
|
|
}
|
|
|
|
void cTextScroller::Reset(void)
|
|
{
|
|
osd = NULL; // just makes sure it won't draw anything
|
|
}
|
|
|
|
void cTextScroller::DrawText(void)
|
|
{
|
|
if (osd) {
|
|
for (int i = 0; i < shown; i++)
|
|
osd->DrawText(left, top + i * font->Height(), textWrapper.GetLine(offset + i), colorFg, colorBg, font, width);
|
|
}
|
|
}
|
|
|
|
void cTextScroller::Scroll(bool Up, bool Page)
|
|
{
|
|
if (Up) {
|
|
if (CanScrollUp()) {
|
|
offset -= Page ? shown : 1;
|
|
if (offset < 0)
|
|
offset = 0;
|
|
DrawText();
|
|
}
|
|
}
|
|
else {
|
|
if (CanScrollDown()) {
|
|
offset += Page ? shown : 1;
|
|
if (offset + shown > Total())
|
|
offset = Total() - shown;
|
|
DrawText();
|
|
}
|
|
}
|
|
}
|