reg_t GfxPaint16::bitsSave(const Common::Rect &rect, byte screenMask) {
reg_t memoryId;
byte *memoryPtr;
int size;
Common::Rect workerRect(rect.left, rect.top, rect.right, rect.bottom);
workerRect.clip(_ports->_curPort->rect);
if (workerRect.isEmpty()) // nothing to save
return NULL_REG;
if (screenMask == GFX_SCREEN_MASK_DISPLAY) {
// The coordinates we are given are actually up-to-including right/bottom - we extend accordingly
workerRect.bottom++;
workerRect.right++;
// Adjust rect to upscaled hires, but dont adjust according to port
_screen->adjustToUpscaledCoordinates(workerRect.top, workerRect.left);
_screen->adjustToUpscaledCoordinates(workerRect.bottom, workerRect.right);
} else {
_ports->offsetRect(workerRect);
}
// now actually ask _screen how much space it will need for saving
size = _screen->bitsGetDataSize(workerRect, screenMask);
memoryId = _segMan->allocateHunkEntry("SaveBits()", size);
memoryPtr = _segMan->getHunkPointer(memoryId);
if (memoryPtr)
_screen->bitsSave(workerRect, screenMask, memoryPtr);
return memoryId;
}
void GfxPaint16::bitsShow(const Common::Rect &rect) {
Common::Rect workerRect(rect.left, rect.top, rect.right, rect.bottom);
workerRect.clip(_ports->_curPort->rect);
if (workerRect.isEmpty()) // nothing to show
return;
_ports->offsetRect(workerRect);
_screen->copyRectToScreen(workerRect);
}
void GfxPaint16::bitsShow(const Common::Rect &rect) {
Common::Rect workerRect(rect.left, rect.top, rect.right, rect.bottom);
workerRect.clip(_ports->_curPort->rect);
if (workerRect.isEmpty()) // nothing to show
return;
_ports->offsetRect(workerRect);
// We adjust the left/right coordinates to even coordinates
workerRect.left &= 0xFFFE; // round down
workerRect.right = (workerRect.right + 1) & 0xFFFE; // round up
_screen->copyRectToScreen(workerRect);
}
