本文整理汇总了C++中TRaster32P::getCenterD方法的典型用法代码示例。如果您正苦于以下问题：C++ TRaster32P::getCenterD方法的具体用法？C++ TRaster32P::getCenterD怎么用？C++ TRaster32P::getCenterD使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TRaster32P的用法示例。
在下文中一共展示了TRaster32P::getCenterD方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: tessellate
void TglTessellator::tessellate(const TColorFunction *cf, const bool antiAliasing, TRegionOutline &outline, TRaster32P texture)
{
//QMutexLocker sl(m_mutex);
checkErrorsByGL;
glEnable(GL_TEXTURE_2D);
glColor4d(1, 1, 1, 1);
checkErrorsByGL;
TextureInfoForGL texInfo;
int pow2Lx = tcg::numeric_ops::GE_2Power((unsigned int)texture->getLx());
int pow2Ly = tcg::numeric_ops::GE_2Power((unsigned int)texture->getLy());
TAffine aff;
if (texture->getLx() != pow2Lx || texture->getLy() != pow2Ly) {
TRaster32P r(pow2Lx, pow2Ly);
aff = TScale((double)pow2Lx / texture->getLx(), (double)pow2Ly / texture->getLy());
TRop::resample(r, texture, aff.place(texture->getCenterD(), r->getCenterD()));
texture = r;
glPushMatrix();
tglMultMatrix(aff.inv());
}
// If GL_BRGA isn't present make a proper texture to use (... obsolete?)
texture->lock();
TRasterP texImage = prepareTexture(texture, texInfo);
checkErrorsByGL;
if (texImage != texture)
texImage->lock();
assert(texImage->getLx() == texImage->getWrap());
GLuint texId;
glGenTextures(1, &texId); // Generate a texture name
checkErrorsByGL;
glBindTexture(GL_TEXTURE_2D, texId); // Bind it 'active'
checkErrorsByGL;
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); // These must be invoked
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); // on a bound texture
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); //
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); //
checkErrorsByGL;
glTexEnvf(GL_TEXTURE_ENV, // This too ?
GL_TEXTURE_ENV_MODE, // Better here anyway
GL_MODULATE); //
checkErrorsByGL;
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
checkErrorsByGL;
glTexImage2D(GL_TEXTURE_2D,
0, // one level only
texInfo.internalformat, // pixel channels count
texInfo.width, // width
texInfo.height, // height
0, // border size
texInfo.type, // pixel format // crappy names
texInfo.format, // pixel data type // oh, SO much
texImage->getRawData());
checkErrorsByGL;
texture->unlock();
if (texImage != texture)
texImage->unlock();
TglTessellator::GLTess glTess;
gluTessCallback(glTess.m_tess, GLU_TESS_VERTEX, (GluCallback)tessellateTexture);
checkErrorsByGL;
//------------------------//
if (aff != TAffine())
doTessellate(glTess, cf, antiAliasing, outline, aff); // Tessellate & render
else
doTessellate(glTess, cf, antiAliasing, outline); // Tessellate & render
checkErrorsByGL;
//------------------------//
if (aff != TAffine())
glPopMatrix();
glDeleteTextures(1, &texId); // Delete & unbind texture
checkErrorsByGL;
glDisable(GL_TEXTURE_2D);
checkErrorsByGL;
}