Files
test/source/blender/compositor/operations/COM_TextureOperation.cpp
Jeroen Bakker dbd70c05f7 * Composite result is updated when editing (preview were already
calculated, now the final result is also updated in the image space
 * default texture size when not connected to any resolution depended
operation defaults to render size
2012-05-22 09:54:08 +00:00

113 lines
3.3 KiB
C++

/*
* Copyright 2011, 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:
* Jeroen Bakker
* Monique Dewanchand
*/
#include "COM_TextureOperation.h"
#include "BLI_listbase.h"
#include "DNA_scene_types.h"
TextureBaseOperation::TextureBaseOperation(): NodeOperation()
{
this->addInputSocket(COM_DT_VECTOR);//offset
this->addInputSocket(COM_DT_VECTOR);//size
this->texture = NULL;
this->inputSize = NULL;
this->inputOffset = NULL;
this->scene = NULL;
}
TextureOperation::TextureOperation() : TextureBaseOperation()
{
this->addOutputSocket(COM_DT_COLOR);
}
TextureAlphaOperation::TextureAlphaOperation() : TextureBaseOperation()
{
this->addOutputSocket(COM_DT_VALUE);
}
void TextureBaseOperation::initExecution()
{
this->inputOffset = getInputSocketReader(0);
this->inputSize = getInputSocketReader(1);
}
void TextureBaseOperation::deinitExecution()
{
this->inputSize = NULL;
this->inputOffset = NULL;
}
void TextureBaseOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[])
{
if (preferredResolution[0] == 0 || preferredResolution[1] == 0) {
int width = this->scene->r.xsch*this->scene->r.size/100;
int height = this->scene->r.ysch*this->scene->r.size/100;
resolution[0] = width;
resolution[1] = height;
}
else {
resolution[0] = preferredResolution[0];
resolution[1] = preferredResolution[1];
}
}
void TextureAlphaOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
TextureBaseOperation::executePixel(color, x, y, sampler, inputBuffers);
color[0] = color[3];
color[1] = 0.0f;
color[2] = 0.0f;
color[3] = 0.0f;
}
void TextureBaseOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
TexResult texres= {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0, NULL};
float textureSize[4];
float textureOffset[4];
float vec[3];
int retval;
const float cx = this->getWidth()/2;
const float cy = this->getHeight()/2;
const float u = (cx-x)/this->getWidth()*2;
const float v = (cy-y)/this->getHeight()*2;
this->inputSize->read(textureSize, x, y, sampler, inputBuffers);
this->inputOffset->read(textureOffset, x, y, sampler, inputBuffers);
vec[0] = textureSize[0]*(u + textureOffset[0]);
vec[1] = textureSize[1]*(v + textureOffset[1]);
vec[2] = textureSize[2]*textureOffset[2];
retval = multitex_ext(this->texture, vec, NULL, NULL, 0, &texres);
if (texres.talpha)
color[3] = texres.ta;
else
color[3] = texres.tin;
if ((retval & TEX_RGB)) {
color[0] = texres.tr;
color[1] = texres.tg;
color[2] = texres.tb;
}
else color[0] = color[1] = color[2] = color[3];
}