//----------------------------------------------------------
ofPoint ofTexture::getCoordFromPoint(float xPos, float yPos){
ofPoint temp;
if (!bAllocated()) return temp;
#ifndef TARGET_OPENGLES
if (texData.textureTarget == GL_TEXTURE_RECTANGLE_ARB){
temp.set(xPos, yPos);
} else {
#endif
// non arb textures are 0 to 1, so we
// (a) convert to a pct:
float pctx = xPos / texData.width;
float pcty = yPos / texData.height;
// (b) mult by our internal pct (since we might not be 0-1 internally)
pctx *= texData.tex_t;
pcty *= texData.tex_u;
temp.set(pctx, pcty);
#ifndef TARGET_OPENGLES
}
#endif
return temp;
}
//----------------------------------------------------------
ofPoint ofTexture::getCoordFromPercent(float xPct, float yPct){
ofPoint temp;
if (!bAllocated()) return temp;
if (texData.textureTarget == GL_TEXTURE_RECTANGLE_ARB){
temp.set(xPct * texData.width, yPct * texData.height);
} else {
xPct *= texData.tex_t;
yPct *= texData.tex_u;
temp.set(xPct, yPct);
}
return temp;
}
