thirdparty/scummvm
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ASYLUM: Properly clip coordinates and adjust drawing width/height

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git-svn-id: http://asylumengine.googlecode.com/svn/trunk@618 0bfb4aae-4ea4-11de-8d8d-752d95cf3e3c
This commit is contained in:
Julien Templier 2010-12-02 02:34:00 +00:00 • committed by Eugene Sandulenko
parent e75170cc14
commit fde7a99ece
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GPG key ID: 014D387312D34F08
1 changed files with 38 additions and 17 deletions
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55
engines/asylum/system/screen.cpp
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@ -43,7 +43,7 @@ Screen::Screen(AsylumEngine *vm) : _vm(vm) ,
_backBuffer.create(640, 480, 1);
_flag = 0xFF;
//_clipRect = Common::Rect(0, 0, 639, 479);
_clipRect = Common::Rect(0, 0, 639, 479);
}
Screen::~Screen() {
@ -100,7 +100,7 @@ void Screen::draw(ResourceId resourceId, uint32 frameIndex, int32 sourceX, int32
source.right = frame->getWidth();
source.bottom = frame->getHeight();
//clip(&source, &destination, flags);
clip(&source, &destination, flags);
bool masked = false;
if (resourceIdDestination) {
@ -160,20 +160,20 @@ void Screen::clip(Common::Rect *source, Common::Rect *destination, int32 flags)
source->left += diffLeft;
}
int32 diffRightTop = destination->right - _clipRect.top - 1;
if (diffRightTop > 0) {
destination->right -= diffRightTop;
int32 diffRight = destination->right - _clipRect.right - 1;
if (diffRight > 0) {
destination->right -= diffRight;
if (flags & 2)
source->left += diffRightTop;
source->left += diffRight;
else
source->right -= diffRightTop;
source->right -= diffRight;
}
int32 diffRightTop2 = _clipRect.right - destination->top;
if (diffRightTop2 > 0) {
destination->top = _clipRect.right;
source->top += diffRightTop2;
int32 diffTop = _clipRect.top - destination->top;
if (diffTop > 0) {
destination->top = _clipRect.top;
source->top += diffTop;
}
int32 diffBottom = destination->bottom - _clipRect.bottom - 1;
@ -281,7 +281,7 @@ void Screen::selectTransTable(uint32 index) {
//////////////////////////////////////////////////////////////////////////
// Graphic queue
//////////////////////////////////////////////////////////////////////////
void Screen::addGraphicToQueue(ResourceId resourceId, uint32 frameIndex, Common::Point point, int32 flags, int32 destX, int32 priority) {
void Screen::addGraphicToQueue(ResourceId resourceId, uint32 frameIndex, Common::Point point, int32 flags, int32 transTableNum, int32 priority) {
GraphicQueueItem item;
item.priority = priority;
@ -290,7 +290,7 @@ void Screen::addGraphicToQueue(ResourceId resourceId, uint32 frameIndex, Common:
item.resourceId = resourceId;
item.frameIndex = frameIndex;
item.flags = flags;
item.destination.x = destX;
item.transTableNum = transTableNum;
_queueItems.push_back(item);
}
@ -386,18 +386,39 @@ void Screen::blit(GraphicFrame *frame, Common::Rect *source, Common::Rect *desti
}
void Screen::blt(Common::Rect *dest, GraphicFrame* frame, Common::Rect *source, int32 flags, bool useColorKey) {
// TODO adjust destination rect
if (useColorKey) {
copyToBackBufferWithTransparency((byte *)frame->surface.pixels, frame->surface.pitch, dest->left, dest->top, frame->surface.w, frame->surface.h);
copyToBackBufferWithTransparency((byte *)frame->surface.pixels - (source->top * frame->surface.w + source->left),
frame->surface.w,
dest->left,
dest->top,
source->width(),
source->height());
} else {
copyToBackBuffer((byte *)frame->surface.pixels, frame->surface.pitch, dest->left, dest->top, frame->surface.w, frame->surface.h);
copyToBackBuffer((byte *)frame->surface.pixels - (source->top * frame->surface.w + source->left),
frame->surface.w,
dest->left,
dest->top,
source->width(),
source->height());
}
}
void Screen::bltFast(int32 dX, int32 dY, GraphicFrame* frame, Common::Rect *source, bool useColorKey) {
if (useColorKey) {
copyToBackBufferWithTransparency((byte *)frame->surface.pixels, frame->surface.pitch, dX, dY, frame->surface.w, frame->surface.h);
copyToBackBufferWithTransparency((byte *)frame->surface.pixels - (source->top * frame->surface.w + source->left),
frame->surface.w,
dX,
dY,
source->width(),
source->height());
} else {
copyToBackBuffer((byte *)frame->surface.pixels, frame->surface.pitch, dX, dY, frame->surface.w, frame->surface.h);
copyToBackBuffer((byte *)frame->surface.pixels - (source->top * frame->surface.w + source->left),
frame->surface.w,
dX,
dY,
source->width(),
source->height());
}
}