diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_ChannelMatteOperation.h')
-rw-r--r-- | source/blender/compositor/operations/COM_ChannelMatteOperation.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_ChannelMatteOperation.h b/source/blender/compositor/operations/COM_ChannelMatteOperation.h new file mode 100644 index 00000000000..a4b5f454f92 --- /dev/null +++ b/source/blender/compositor/operations/COM_ChannelMatteOperation.h @@ -0,0 +1,76 @@ +/* + * Copyright 2012, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Contributor: + * Dalai Felinto + */ + +#ifndef _COM_ChannelMatteOperation_h +#define _COM_ChannelMatteOperation_h +#include "COM_MixBaseOperation.h" + + +/** + * this program converts an input colour to an output value. + * it assumes we are in sRGB colour space. + */ +class ChannelMatteOperation : public NodeOperation { +private: + SocketReader *inputImageProgram; + + int color_space; /* node->custom1 */ + int matte_channel; /* node->custom2 */ + int limit_method; /* node->algorithm */ + int limit_channel; /* node->channel */ + float limit_max; /* node->storage->t1 */ + float limit_min; /* node->storage->t2 */ + + float limit_range; + + /** ids to use for the operations (max and simple) + * alpha = in[ids[0]] - max(in[ids[1]], in[ids[2]]) + * the simple operation is using: + * alpha = in[ids[0]] - in[ids[1]] + * but to use the same formula and operation for both we do: + * ids[2] = ids[1] + * alpha = in[ids[0]] - max(in[ids[1]], in[ids[2]]) + */ + int ids[3]; +public: + /** + * Default constructor + */ + ChannelMatteOperation(); + + /** + * the inner loop of this program + */ + void executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]); + + void initExecution(); + void deinitExecution(); + + void setSettings(NodeChroma *nodeChroma, const int custom2) + { + this->limit_max = nodeChroma->t1; + this->limit_min = nodeChroma->t2; + this->limit_method = nodeChroma->algorithm; + this->limit_channel = nodeChroma->channel; + this->matte_channel = custom2; + } +}; +#endif |