Mercurial > love-experiments
diff src/modules/image/ImageData.cpp @ 0:d362ae6ab7f5
Initial Mercurial commit.
| author | rude |
|---|---|
| date | Sun, 26 Jul 2009 15:46:49 +0200 |
| parents | |
| children | 0a581a150c87 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/modules/image/ImageData.cpp Sun Jul 26 15:46:49 2009 +0200 @@ -0,0 +1,50 @@ +/** +* Copyright (c) 2006-2009 LOVE Development Team +* +* This software is provided 'as-is', without any express or implied +* warranty. In no event will the authors be held liable for any damages +* arising from the use of this software. +* +* Permission is granted to anyone to use this software for any purpose, +* including commercial applications, and to alter it and redistribute it +* freely, subject to the following restrictions: +* +* 1. The origin of this software must not be misrepresented; you must not +* claim that you wrote the original software. If you use this software +* in a product, an acknowledgment in the product documentation would be +* appreciated but is not required. +* 2. Altered source versions must be plainly marked as such, and must not be +* misrepresented as being the original software. +* 3. This notice may not be removed or altered from any source distribution. +**/ + +#include "ImageData.h" + +namespace love +{ +namespace image +{ + void ImageData::paste(ImageData * src, int dx, int dy, int sx, int sy, int sw, int sh) + { + pixel * s = (pixel *)src->getData(); + pixel * d = (pixel *)getData(); + + for(int i = 0; i < sh; i++) + { + for(int j = 0; j < sw; j++) + { + if(inside(dx+j, dy+i) && src->inside(sx+j, sy+i)) + { + d[(dy+i)*getWidth() + (dx+j)] = s[(sy+i)*src->getWidth() + (sx+j)]; + } + } + } + } + + bool ImageData::inside(int x, int y) const + { + return (x >= 0 && x < getWidth() && y >= 0 && y < getHeight()); + } + +} // image +} // love
