diff options
| -rw-r--r-- | engines/avalanche/graphics.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/engines/avalanche/graphics.cpp b/engines/avalanche/graphics.cpp index bedb7f5506..151879d6c7 100644 --- a/engines/avalanche/graphics.cpp +++ b/engines/avalanche/graphics.cpp @@ -563,8 +563,17 @@ void GraphicManager::drawSprite(const SpriteInfo &sprite, byte picnum, int16 x, void GraphicManager::drawPicture(Graphics::Surface &target, const Graphics::Surface picture, uint16 destX, uint16 destY) { // Copy the picture to the given place on the screen. - for (uint16 y = 0; y < picture.h; y++) { - for (uint16 x = 0; x < picture.w; x++) + uint16 maxX = picture.w; + uint16 maxY = picture.h; + + if (destX + maxX > target.w) + maxX = target.w - destX; + + if (destY + maxY > target.h) + maxY = target.h - destY; + + for (uint16 y = 0; y < maxY; y++) { + for (uint16 x = 0; x < maxX; x++) *(byte *)target.getBasePtr(x + destX, y + destY) = *(const byte *)picture.getBasePtr(x, y); } } |