C++ (Cpp) ofFloatPixels::getWidth示例

示例#1

文件： ofTexture.cpp 项目： jvcleave/compare

//----------------------------------------------------------
void ofTexture::loadData(const ofFloatPixels & pix, int glFormat){
	if(!isAllocated()){
		allocate(pix.getWidth(), pix.getHeight(), ofGetGlInternalFormat(pix), ofGetUsingArbTex(), glFormat, ofGetGlType(pix));
	}
	ofSetPixelStoreiAlignment(GL_UNPACK_ALIGNMENT,pix.getWidth(),pix.getBytesPerChannel(),ofGetNumChannelsFromGLFormat(glFormat));
	loadData(pix.getData(), pix.getWidth(), pix.getHeight(), glFormat, ofGetGlType(pix));
}

示例#2

文件： ofTexture.cpp 项目： jvcleave/compare

//----------------------------------------------------------
void ofTexture::allocate(const ofFloatPixels& pix, bool bUseARBExtention){
	allocate(pix.getWidth(), pix.getHeight(), ofGetGlInternalFormat(pix), bUseARBExtention, ofGetGlFormat(pix), ofGetGlType(pix));
	if((pix.getPixelFormat()==OF_PIXELS_GRAY || pix.getPixelFormat()==OF_PIXELS_GRAY_ALPHA) && ofIsGLProgrammableRenderer()){
		setRGToRGBASwizzles(true);
	}
	loadData(pix);
}

示例#3

文件： ofTexture.cpp 项目： jvcleave/compare

//----------------------------------------------------------
void ofTexture::loadData(const ofFloatPixels & pix){
	if(!isAllocated()){
		allocate(pix);
	}else{
		ofSetPixelStoreiAlignment(GL_UNPACK_ALIGNMENT,pix.getBytesStride());
		loadData(pix.getData(), pix.getWidth(), pix.getHeight(), ofGetGlFormat(pix), ofGetGlType(pix));
	}
}

示例#4

文件： ofTexture.cpp 项目： jvcleave/compare

void ofTexture::readToPixels(ofFloatPixels & pixels) const {
#ifndef TARGET_OPENGLES
	pixels.allocate(texData.width,texData.height,ofGetImageTypeFromGLType(texData.glInternalFormat));
	ofSetPixelStoreiAlignment(GL_PACK_ALIGNMENT,pixels.getWidth(),pixels.getBytesPerChannel(),pixels.getNumChannels());
	glBindTexture(texData.textureTarget,texData.textureID);
	glGetTexImage(texData.textureTarget,0,ofGetGlFormat(pixels),GL_FLOAT,pixels.getData());
	glBindTexture(texData.textureTarget,0);
#endif
}

示例#5

文件： ftUtil.cpp 项目： bossacorp/ofxFlowTools

		// get float pixels from a fbo or texture
	void ftUtil::toPixels(ofTexture& _tex, ofFloatPixels& _pixels) {
		ofTextureData& texData = _tex.getTextureData();
		int format = texData.glInternalFormat;
		int readFormat, numChannels;
		
		switch(format){
			case GL_R32F: 		readFormat = GL_RED, 	numChannels = 1; break; // or is it GL_R
			case GL_RG32F: 		readFormat = GL_RG, 	numChannels = 2; break;
			case GL_RGB32F: 	readFormat = GL_RGB, 	numChannels = 3; break;
			case GL_RGBA32F:	readFormat = GL_RGBA,	numChannels = 4; break;
			default:
				ofLogWarning("ftUtil") << "toPixels: " << "can only read float textures to ofFloatPixels";
				return;
		}
		if (_pixels.getWidth() != texData.width || _pixels.getHeight() != texData.height || _pixels.getNumChannels() != numChannels) {
			_pixels.allocate(texData.width, texData.height, numChannels);
		}
		ofSetPixelStoreiAlignment(GL_PACK_ALIGNMENT, texData.width, 4, numChannels);
		glBindTexture(texData.textureTarget, texData.textureID);
		glGetTexImage(texData.textureTarget, 0, readFormat, GL_FLOAT, _pixels.getData());
		glBindTexture(texData.textureTarget, 0);
	}

示例#6

文件： ofxTexture3d.cpp 项目： timscaffidi/ofxVolumetrics

void ofxTexture3d::loadData(ofFloatPixels & pix, int d, int xOffset, int yOffset, int zOffset)
{
    loadData(pix.getData(), pix.getWidth(), pix.getHeight(), d, xOffset, yOffset, zOffset, ofGetGlFormat(pix));
}

示例#7

文件： ofTexture.cpp 项目： Robertoq7/openFrameworks

//----------------------------------------------------------
void ofTexture::loadData(const ofFloatPixels & pix, int glFormat){
	ofSetPixelStorei(pix.getWidth(),pix.getBytesPerChannel(),ofGetNumChannelsFromGLFormat(glFormat));
	loadData(pix.getPixels(), pix.getWidth(), pix.getHeight(), glFormat, ofGetGlType(pix));
}

示例#8

文件： ofTexture.cpp 项目： Robertoq7/openFrameworks

//----------------------------------------------------------
void ofTexture::loadData(const ofFloatPixels & pix){
	ofSetPixelStorei(pix.getBytesStride());
	loadData(pix.getPixels(), pix.getWidth(), pix.getHeight(), ofGetGlFormat(pix), ofGetGlType(pix));
}

示例#9

文件： ofTexture.cpp 项目： Robertoq7/openFrameworks

//----------------------------------------------------------
void ofTexture::allocate(const ofFloatPixels& pix, bool bUseARBExtention){
	allocate(pix.getWidth(), pix.getHeight(), ofGetGlInternalFormat(pix), bUseARBExtention, ofGetGlFormat(pix), ofGetGlType(pix));
}

示例#10

文件： ofTexture.cpp 项目： Robertoq7/openFrameworks

//----------------------------------------------------------
void ofTexture::allocate(const ofFloatPixels& pix){
	allocate(pix.getWidth(), pix.getHeight(), ofGetGlInternalFormat(pix), ofGetUsingArbTex(), ofGetGlFormat(pix), ofGetGlType(pix));
}

示例#11

文件： ofTexture.cpp 项目： 3snail/openFrameworks

//----------------------------------------------------------
void ofTexture::loadData(const ofFloatPixels & pix){
	loadData(pix.getPixels(), pix.getWidth(), pix.getHeight(), ofGetGlFormat(pix));
}

示例#12

文件： ofTexture.cpp 项目： Bolvangar/openFrameworks

//----------------------------------------------------------
void ofTexture::loadData(const ofFloatPixels & pix, int glFormat){
	ofSetPixelStoreiAlignment(GL_UNPACK_ALIGNMENT,pix.getWidth(),pix.getBytesPerChannel(),ofGetNumChannelsFromGLFormat(glFormat));
	loadData(pix.getData(), pix.getWidth(), pix.getHeight(), glFormat, ofGetGlType(pix));
}