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@@ -1,167 +1,167 @@
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include "ImageData.h"
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using love::thread::Lock;
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namespace love
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{
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namespace image
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{
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void *ImageData::getData() const
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{
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return data;
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}
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int ImageData::getSize() const
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{
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return getWidth()*getHeight()*sizeof(pixel);
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}
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int ImageData::getWidth() const
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{
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return width;
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}
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int ImageData::getHeight() const
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{
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return height;
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}
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bool ImageData::inside(int x, int y) const
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{
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return x >= 0 && x < getWidth() && y >= 0 && y < getHeight();
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}
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void ImageData::setPixel(int x, int y, pixel c)
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{
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if (!inside(x, y))
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throw love::Exception("Attempt to set out-of-range pixel!");
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Lock lock(mutex);
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pixel *pixels = (pixel *)getData();
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pixels[y*getWidth()+x] = c;
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}
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pixel ImageData::getPixel(int x, int y)
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{
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if (!inside(x, y))
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throw love::Exception("Attempt to get out-of-range pixel!");
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Lock lock(mutex);
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pixel *pixels = (pixel *)getData();
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return pixels[y*getWidth()+x];
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}
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void ImageData::paste(ImageData *src, int dx, int dy, int sx, int sy, int sw, int sh)
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{
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Lock lock2(src->mutex);
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Lock lock1(mutex);
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pixel *s = (pixel *)src->getData();
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pixel *d = (pixel *)getData();
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// Check bounds; if the data ends up completely out of bounds, get out early.
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if (sx >= src->getWidth() || sx + sw < 0 || sy >= src->getHeight() || sy + sh < 0
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|| dx >= getWidth() || dx + sw < 0 || dy >= getHeight() || dy + sh < 0)
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return;
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// Normalize values to the inside of both images.
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if (dx < 0)
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{
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sw += dx;
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sx -= dx;
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dx = 0;
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}
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if (dy < 0)
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{
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sh += dy;
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sy -= dy;
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dy = 0;
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}
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if (sx < 0)
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{
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sw += sx;
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dx -= sx;
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sx = 0;
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}
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if (sy < 0)
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{
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sh += sy;
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dy -= sy;
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sy = 0;
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}
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if (dx + sw > getWidth())
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{
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sw = getWidth() - dx;
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}
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if (dy + sh > getHeight())
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{
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sh = getHeight() - dy;
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}
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if (sx + sw > src->getWidth())
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{
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sw = src->getWidth() - sx;
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}
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if (sy + sh > src->getHeight())
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{
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sh = src->getHeight() - sy;
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}
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// If the dimensions match up, copy the entire memory stream in one go
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if (sw == getWidth() && getWidth() == src->getWidth()
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&& sh == getHeight() && getHeight() == src->getHeight())
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memcpy(d, s, sizeof(pixel) * sw * sh);
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else if (sw > 0 && sh > 0) // Otherwise, copy each row individually
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{
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for (int i = 0; i < sh; i++)
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{
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memcpy(d + dx + (i + dy) * getWidth(), s + sx + (i + sy) * src->getWidth(), sizeof(pixel) * sw);
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}
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}
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}
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bool ImageData::getConstant(const char *in, ImageData::Format &out)
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{
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return formats.find(in, out);
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}
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bool ImageData::getConstant(ImageData::Format in, const char *&out)
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{
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return formats.find(in, out);
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}
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StringMap<ImageData::Format, ImageData::FORMAT_MAX_ENUM>::Entry ImageData::formatEntries[] =
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{
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{"tga", ImageData::FORMAT_TGA},
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{"bmp", ImageData::FORMAT_BMP},
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{"gif", ImageData::FORMAT_GIF},
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{"jpg", ImageData::FORMAT_JPG},
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{"png", ImageData::FORMAT_PNG},
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};
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StringMap<ImageData::Format, ImageData::FORMAT_MAX_ENUM> ImageData::formats(ImageData::formatEntries, sizeof(ImageData::formatEntries));
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} // image
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} // love
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include "ImageData.h"
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using love::thread::Lock;
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namespace love
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{
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namespace image
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{
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void *ImageData::getData() const
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{
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return data;
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}
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int ImageData::getSize() const
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{
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return getWidth()*getHeight()*sizeof(pixel);
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}
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int ImageData::getWidth() const
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{
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return width;
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}
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int ImageData::getHeight() const
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{
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return height;
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}
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bool ImageData::inside(int x, int y) const
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{
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return x >= 0 && x < getWidth() && y >= 0 && y < getHeight();
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}
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void ImageData::setPixel(int x, int y, pixel c)
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{
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if (!inside(x, y))
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throw love::Exception("Attempt to set out-of-range pixel!");
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Lock lock(mutex);
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pixel *pixels = (pixel *)getData();
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pixels[y*getWidth()+x] = c;
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}
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pixel ImageData::getPixel(int x, int y)
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{
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if (!inside(x, y))
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throw love::Exception("Attempt to get out-of-range pixel!");
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Lock lock(mutex);
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pixel *pixels = (pixel *)getData();
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return pixels[y*getWidth()+x];
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}
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void ImageData::paste(ImageData *src, int dx, int dy, int sx, int sy, int sw, int sh)
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{
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Lock lock2(src->mutex);
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Lock lock1(mutex);
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pixel *s = (pixel *)src->getData();
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pixel *d = (pixel *)getData();
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// Check bounds; if the data ends up completely out of bounds, get out early.
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if (sx >= src->getWidth() || sx + sw < 0 || sy >= src->getHeight() || sy + sh < 0
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|| dx >= getWidth() || dx + sw < 0 || dy >= getHeight() || dy + sh < 0)
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return;
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// Normalize values to the inside of both images.
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if (dx < 0)
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{
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sw += dx;
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sx -= dx;
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dx = 0;
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}
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if (dy < 0)
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{
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sh += dy;
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sy -= dy;
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dy = 0;
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}
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if (sx < 0)
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{
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sw += sx;
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dx -= sx;
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sx = 0;
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}
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if (sy < 0)
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{
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sh += sy;
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dy -= sy;
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sy = 0;
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}
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if (dx + sw > getWidth())
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{
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sw = getWidth() - dx;
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}
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if (dy + sh > getHeight())
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{
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sh = getHeight() - dy;
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}
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if (sx + sw > src->getWidth())
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{
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sw = src->getWidth() - sx;
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}
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if (sy + sh > src->getHeight())
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{
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sh = src->getHeight() - sy;
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}
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// If the dimensions match up, copy the entire memory stream in one go
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if (sw == getWidth() && getWidth() == src->getWidth()
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&& sh == getHeight() && getHeight() == src->getHeight())
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memcpy(d, s, sizeof(pixel) * sw * sh);
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else if (sw > 0 && sh > 0) // Otherwise, copy each row individually
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{
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for (int i = 0; i < sh; i++)
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{
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memcpy(d + dx + (i + dy) * getWidth(), s + sx + (i + sy) * src->getWidth(), sizeof(pixel) * sw);
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}
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}
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}
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bool ImageData::getConstant(const char *in, ImageData::Format &out)
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{
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return formats.find(in, out);
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}
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bool ImageData::getConstant(ImageData::Format in, const char *&out)
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{
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return formats.find(in, out);
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}
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StringMap<ImageData::Format, ImageData::FORMAT_MAX_ENUM>::Entry ImageData::formatEntries[] =
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{
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{"tga", ImageData::FORMAT_TGA},
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{"bmp", ImageData::FORMAT_BMP},
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{"gif", ImageData::FORMAT_GIF},
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{"jpg", ImageData::FORMAT_JPG},
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{"png", ImageData::FORMAT_PNG},
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};
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StringMap<ImageData::Format, ImageData::FORMAT_MAX_ENUM> ImageData::formats(ImageData::formatEntries, sizeof(ImageData::formatEntries));
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} // image
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} // love
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