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Fixed upscaling bitmaps

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This commit is contained in:
Klaus Schmidinger
2013-01-24 11:42:15 +01:00
parent 8281be1480
commit cfb62845ec
2 changed files with 8 additions and 6 deletions
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10
osd.c
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@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: osd.c 2.33 2012/12/15 11:16:41 kls Exp $
* $Id: osd.c 2.34 2013/01/24 11:37:58 kls Exp $
*/
#include "osd.h"
@@ -853,12 +853,12 @@ cBitmap *cBitmap::Scaled(double FactorX, double FactorY, bool AntiAlias)
b->SetBpp(8);
b->Replace(*this); // copy palette (must be done *after* SetBpp()!)
int SourceY = 0;
for (int y = 0; y < b->Height() - 1; y++) {
for (int y = 0; y < b->Height(); y++) {
int SourceX = 0;
int sy = SourceY >> 16;
int sy = min(SourceY >> 16, Height() - 2);
uint8_t BlendY = 0xFF - ((SourceY >> 8) & 0xFF);
for (int x = 0; x < b->Width() - 1; x++) {
int sx = SourceX >> 16;
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);