frodovdr/vdr
1
0
Fork 0
mirror of https://github.com/vdr-projects/vdr.git synced 2025-03-01 10:50:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improved and cleaned up transparent text drawing

Browse Source
This commit is contained in:
Klaus Schmidinger
2011-02-26 12:13:59 +01:00
parent d1ab9dbc5f
commit 0b8356aa92
4 changed files with 31 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
font.c
View File

@@ -6,7 +6,7 @@
*
* BiDi support by Osama Alrawab <alrawab@hotmail.com> @2008 Tripoli-Libya.
*
* $Id: font.c 2.6 2011/02/20 14:15:38 kls Exp $
* $Id: font.c 2.7 2011/02/26 12:09:18 kls Exp $
*/
#include "font.h"
@@ -338,7 +338,6 @@ void cFreetypeFont::DrawText(cPixmap *Pixmap, int x, int y, const char *s, tColo
s = bs;
#endif
bool AntiAliased = Setup.AntiAlias;
bool TransparentBackground = ColorBg == clrTransparent;
uint prevSym = 0;
while (*s) {
int sl = Utf8CharLen(s);
@@ -358,16 +357,8 @@ void cFreetypeFont::DrawText(cPixmap *Pixmap, int x, int y, const char *s, tColo
for (int pitch = 0; pitch < g->Pitch(); pitch++) {
uchar bt = *(buffer + (row * g->Pitch() + pitch));
if (AntiAliased) {
if (bt > 0x00) {
tColor bg;
if (bt == 0xFF || TransparentBackground)
bg = ColorFg;
else {
bg = AlphaBlend(ColorFg, ColorBg, bt);
bt = ALPHA_OPAQUE;
}
Pixmap->DrawPixel(cPoint(x + pitch + g->Left() + kerning, y + row + (height - Bottom() - g->Top())), bg, bt);
}
if (bt > 0x00)
Pixmap->DrawPixel(cPoint(x + pitch + g->Left() + kerning, y + row + (height - Bottom() - g->Top())), AlphaBlend(ColorFg, ColorBg, bt));
}
else { //monochrome rendering
for (int col = 0; col < 8 && col + pitch * 8 <= symWidth; col++) {