133 lines
4.0 KiB
C
133 lines
4.0 KiB
C
#include "imageloader.h"
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#include <math.h>
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#include <string>
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#include <dirent.h>
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#include <iostream>
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using namespace Magick;
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cImageLoader::cImageLoader() {
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InitializeMagick(NULL);
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}
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cImageLoader::~cImageLoader() {
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}
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bool cImageLoader::LoadLogo(const char *logo, int width, int height) {
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if ((width == 0)||(height==0))
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return false;
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std::string logoLower = logo;
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toLowerCase(logoLower);
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cString extension;
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if (tvguideConfig.logoExtension == 0) {
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extension = "png";
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} else if (tvguideConfig.logoExtension == 1) {
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extension = "jpg";
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}
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if (!LoadImage(logoLower.c_str(), tvguideConfig.logoPath, extension))
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return false;
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buffer.sample( Geometry(width, height));
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return true;
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}
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bool cImageLoader::LoadEPGImage(int eventID) {
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int width = tvguideConfig.epgImageWidth;
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int height = tvguideConfig.epgImageHeight;
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if ((width == 0)||(height==0))
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return false;
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if (!LoadImage(cString::sprintf("%d", eventID), tvguideConfig.epgImagePath, "jpg"))
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return false;
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if (height != 0 || width != 0) {
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buffer.sample( Geometry(width, height));
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}
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return true;
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}
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bool cImageLoader::LoadAdditionalEPGImage(cString name) {
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int width = tvguideConfig.epgImageWidthLarge;
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int height = tvguideConfig.epgImageHeightLarge;
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if ((width == 0)||(height==0))
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return false;
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bool success = false;
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success = LoadImage(name, tvguideConfig.epgImagePath, "jpg");
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if (!success)
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return false;
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if (height != 0 || width != 0) {
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buffer.sample( Geometry(width, height));
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}
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return true;
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}
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bool cImageLoader::LoadIcon(const char *cIcon, int size) {
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if (size==0)
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return false;
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bool success = false;
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success = LoadImage(cString(cIcon), tvguideConfig.iconPath, "png");
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if (!success)
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return false;
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buffer.sample(Geometry(size, size));
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return true;
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}
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bool cImageLoader::DrawBackground(tColor back, tColor blend, int width, int height) {
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if ((width < 1) || (height < 1) || (width > 1920) || (height > 1080))
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return false;
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Color Back = Argb2Color(back);
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Color Blend = Argb2Color(blend);
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Image tmp(Geometry(width, height), Blend);
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double arguments[9] = {0.0,(double)height,0.0,-1*(double)width,0.0,0.0,1.5*(double)width,0.0,1.0};
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tmp.sparseColor(MatteChannel, BarycentricColorInterpolate, 9, arguments);
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Image tmp2(Geometry(width, height), Back);
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tmp.composite(tmp2, 0, 0, OverlayCompositeOp);
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buffer = tmp;
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return true;
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}
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cImage cImageLoader::GetImage() {
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int w, h;
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w = buffer.columns();
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h = buffer.rows();
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cImage image (cSize(w, h));
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const PixelPacket *pixels = buffer.getConstPixels(0, 0, w, h);
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for (int iy = 0; iy < h; ++iy) {
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for (int ix = 0; ix < w; ++ix) {
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tColor col = (~int(pixels->opacity * 255 / MaxRGB) << 24)
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| (int(pixels->green * 255 / MaxRGB) << 8)
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| (int(pixels->red * 255 / MaxRGB) << 16)
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| (int(pixels->blue * 255 / MaxRGB) );
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image.SetPixel(cPoint(ix, iy), col);
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++pixels;
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}
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}
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return image;
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}
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Color cImageLoader::Argb2Color(tColor col) {
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tIndex alpha = (col & 0xFF000000) >> 24;
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tIndex red = (col & 0x00FF0000) >> 16;
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tIndex green = (col & 0x0000FF00) >> 8;
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tIndex blue = (col & 0x000000FF);
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Color color(MaxRGB*red/255, MaxRGB*green/255, MaxRGB*blue/255, MaxRGB*(0xFF-alpha)/255);
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return color;
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}
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void cImageLoader::toLowerCase(std::string &str) {
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const int length = str.length();
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for(int i=0; i < length; ++i) {
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str[i] = std::tolower(str[i]);
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}
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}
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bool cImageLoader::LoadImage(cString FileName, cString Path, cString Extension) {
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try {
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cString File = cString::sprintf("%s%s.%s", *Path, *FileName, *Extension);
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//dsyslog("tvguide: trying to load: %s", *File);
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buffer.read(*File);
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//dsyslog("tvguide: %s sucessfully loaded", *File);
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} catch (...) {
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return false;
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}
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return true;
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}
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