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ASYLUM: Implement Screen::blitTranstable() and Screen::blitTranstableMirrored()

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This commit is contained in:
Julien Templier
2021-05-17 15:36:58 +02:00
committed by Eugene Sandulenko
parent 5987db75f0
commit 5b5cf905fa
2 changed files with 32 additions and 8 deletions
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engines/asylum/system/screen.cpp
+30 -6
View File
@@ -480,13 +480,15 @@ void Screen::blit(GraphicFrame *frame, Common::Rect *source, Common::Rect *desti
if (isMirrored) {
blitTranstableMirrored((byte *)_backBuffer.pixels + destination->top * _backBuffer.pitch + destination->left,
(byte *)frame->surface.pixels + source->top * frame->surface.pitch + source->right - 1,
destination->width() + (destination->height() << 16),
destination->height(),
destination->width(),
destination->width() + frame->surface.pitch,
frame->surface.pitch - destination->width());
} else {
blitTranstable((byte *)_backBuffer.pixels + destination->top * _backBuffer.pitch + destination->left,
(byte *)frame->surface.pixels + source->top * frame->surface.pitch + source->left,
destination->width() + (destination->height() << 16),
destination->height(),
destination->width(),
frame->surface.pitch - destination->width(),
_backBuffer.pitch - destination->width());
}
@@ -532,12 +534,34 @@ void Screen::blit(GraphicFrame *frame, Common::Rect *source, Common::Rect *desti
}
}
void Screen::blitTranstable(byte *dstBuffer, byte *srcBuffer, int32 widthHeight, int32 srcPitch, int32 dstPitch) {
error("[Screen::blitTranstable] Not implemented");
void Screen::blitTranstable(byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, int32 srcPitch, int32 dstPitch) {
while (height--) {
for (int16 i = 0; i < width; i++) {
if (*srcBuffer)
*dstBuffer = _transTableIndex[*srcBuffer]; // FIXME: is this the correct offset (total table size: 65535)
dstBuffer++;
srcBuffer++;
}
dstBuffer += dstPitch;
srcBuffer += srcPitch;
}
}
void Screen::blitTranstableMirrored(byte *dstBuffer, byte *srcBuffer, int32 widthHeight, int32 srcPitch, int32 dstPitch) {
error("[Screen::blitTranstableMirrored] Not implemented");
void Screen::blitTranstableMirrored(byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, int32 srcPitch, int32 dstPitch) {
while (height--) {
for (int16 i = width; i; --i) {
if (*srcBuffer)
*dstBuffer = _transTableIndex[*srcBuffer]; // FIXME: is this the correct offset (total table size: 65535)
dstBuffer++;
srcBuffer--;
}
dstBuffer += dstPitch;
srcBuffer += srcPitch;
}
}
void Screen::blitMirrored(byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, int32 srcPitch, int32 dstPitch) {
engines/asylum/system/screen.h
+2 -2
View File
@@ -152,8 +152,8 @@ private:
// Screen blitting
void blit(GraphicFrame *frame, Common::Rect *source, Common::Rect *destination, int32 flags);
void blitTranstable(byte *dstBuffer, byte *srcBuffer, int32 widthHeight, int32 srcPitch, int32 dstPitch);
void blitTranstableMirrored(byte *dstBuffer, byte *srcBuffer, int32 widthHeight, int32 srcPitch, int32 dstPitch);
void blitTranstable(byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, int32 srcPitch, int32 dstPitch);
void blitTranstableMirrored(byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, int32 srcPitch, int32 dstPitch);
void blitMirrored(byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, int32 srcPitch, int32 dstPitch);
void blitMirroredColorKey(byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, int32 srcPitch, int32 dstPitch);
void blitRaw(byte *dstBuffer, byte *srcBuffer, int16 height, int16 width, int32 srcPitch, int32 dstPitch);