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Garbage mate input for keying node

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This adds garbage matte input to new keying node which is used to
force occluding things which can not be eliminated by color operations.

White areas defines areas which should be removed from final result.
This commit is contained in:
Sergey Sharybin 2012-06-15 08:26:49 +00:00
parent 9c55e7b995
commit c9f1477fb0
4 changed files with 15 additions and 2 deletions
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2
source/blender/compositor/nodes/COM_KeyingNode.cpp
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@ -156,6 +156,7 @@ void KeyingNode::convertToOperations(ExecutionSystem *graph, CompositorContext *
{
InputSocket *inputImage = this->getInputSocket(0);
InputSocket *inputScreen = this->getInputSocket(1);
InputSocket *inputGarbageMatte = this->getInputSocket(2);
OutputSocket *outputImage = this->getOutputSocket(0);
OutputSocket *outputMatte = this->getOutputSocket(1);
OutputSocket *outputEdges = this->getOutputSocket(2);
@ -170,6 +171,7 @@ void KeyingNode::convertToOperations(ExecutionSystem *graph, CompositorContext *
keyingOperation->setScreenBalance(keying_data->screen_balance);
inputScreen->relinkConnections(keyingOperation->getInputSocket(1), 1, graph);
inputGarbageMatte->relinkConnections(keyingOperation->getInputSocket(2), 2, graph);
if (keying_data->blur_pre) {
/* chroma preblur operation for input of keying operation */

8
source/blender/compositor/operations/COM_KeyingOperation.cpp
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@ -56,33 +56,39 @@ KeyingOperation::KeyingOperation(): NodeOperation()
{
this->addInputSocket(COM_DT_COLOR);
this->addInputSocket(COM_DT_COLOR);
this->addInputSocket(COM_DT_VALUE);
this->addOutputSocket(COM_DT_VALUE);
this->screenBalance = 0.5f;
this->pixelReader = NULL;
this->screenReader = NULL;
this->garbageReader = NULL;
}
void KeyingOperation::initExecution()
{
this->pixelReader = this->getInputSocketReader(0);
this->screenReader = this->getInputSocketReader(1);
this->garbageReader = this->getInputSocketReader(2);
}
void KeyingOperation::deinitExecution()
{
this->pixelReader = NULL;
this->screenReader = NULL;
this->garbageReader = NULL;
}
void KeyingOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
float pixelColor[4];
float screenColor[4];
float garbageValue[4];
this->pixelReader->read(pixelColor, x, y, sampler, inputBuffers);
this->screenReader->read(screenColor, x, y, sampler, inputBuffers);
this->garbageReader->read(garbageValue, x, y, sampler, inputBuffers);
int primary_channel = get_pixel_primary_channel(screenColor);
@ -100,6 +106,8 @@ void KeyingOperation::executePixel(float *color, float x, float y, PixelSampler
color[0] = distance;
}
color[0] *= (1.0f - garbageValue[0]);
}
bool KeyingOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output)

2
source/blender/compositor/operations/COM_KeyingOperation.h
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@ -38,6 +38,8 @@ class KeyingOperation : public NodeOperation {
protected:
SocketReader *pixelReader;
SocketReader *screenReader;
SocketReader *garbageReader;
float screenBalance;
public:

1
source/blender/nodes/composite/nodes/node_composite_keying.c
View File

@ -48,6 +48,7 @@
static bNodeSocketTemplate cmp_node_keying_in[] = {
{ SOCK_RGBA, 1, "Image", 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
{ SOCK_RGBA, 1, "Key Color", 1.0f, 1.0f, 1.0f, 1.0f},
{ SOCK_FLOAT, 1, "Garbage Matte", 0.0f, 1.0f, 1.0f, 1.0f},
{ -1, 0, "" }
};