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Merging r48196 through r48223 from trunk into soc-2011-tomato

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Sergey Sharybin
2012-06-23 18:08:56 +00:00
parent 0fd1797304 870dba7657
commit 06fb9c85d4
36 changed files with 646 additions and 191 deletions
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39
source/blender/compositor/operations/COM_KeyingOperation.cpp
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@@ -98,23 +98,42 @@ void KeyingOperation::executePixel(float *color, float x, float y, PixelSampler
int primary_channel = get_pixel_primary_channel(screenColor);
float saturation = get_pixel_saturation(pixelColor, this->screenBalance, primary_channel);
float screen_saturation = get_pixel_saturation(screenColor, this->screenBalance, primary_channel);
if (saturation < 0) {
if (pixelColor[primary_channel] > 1.0f) {
/* overexposure doesn't happen on screen itself and usually happens
* on light sources in the shot, this need to be checked separately
* because saturation and falloff calculation is based on the fact
* that pixels are not overexposured
*/
color[0] = 1.0f;
}
else if (saturation >= screen_saturation) {
color[0] = 0.0f;
}
else {
float distance = 1.0f - saturation / screen_saturation;
float saturation = get_pixel_saturation(pixelColor, this->screenBalance, primary_channel);
float screen_saturation = get_pixel_saturation(screenColor, this->screenBalance, primary_channel);
color[0] = distance;
if (saturation < 0) {
/* means main channel of pixel is different from screen,
* assume this is completely a foreground
*/
color[0] = 1.0f;
}
else if (saturation >= screen_saturation) {
/* matched main channels and higher saturation on pixel
* is treated as completely background
*/
color[0] = 0.0f;
}
else {
/* nice alpha falloff on edges */
float distance = 1.0f - saturation / screen_saturation;
color[0] = distance;
}
}
color[0] *= (1.0f - garbageValue[0]);
/* apply garbage matte */
color[0] = MIN2(color[0], 1.0f - garbageValue[0]);
/* apply core matte */
color[0] = MAX2(color[0], coreValue[0]);
}