void ofMatrixStack::viewport(float x, float y, float width, float height, bool vflip){
if(!doesHWOrientation() && (orientation==OF_ORIENTATION_90_LEFT || orientation==OF_ORIENTATION_90_RIGHT)){
swap(width,height);
swap(x,y);
}
if(width == 0 || height == 0){
width = getRenderSurfaceWidth();
height = getRenderSurfaceHeight();
}
if (vflip){
y = getRenderSurfaceHeight() - (y + height);
}
currentViewport.set(x,y,width,height);
}
ofRectangle ofMatrixStack::getCurrentViewport() const{
ofRectangle tmpCurrentViewport = currentViewport;
if (isVFlipped()){
tmpCurrentViewport.y = getRenderSurfaceHeight() - (tmpCurrentViewport.y + tmpCurrentViewport.height);
}
if(!doesHWOrientation() && (orientation==OF_ORIENTATION_90_LEFT || orientation==OF_ORIENTATION_90_RIGHT)){
swap(tmpCurrentViewport.width,tmpCurrentViewport.height);
swap(tmpCurrentViewport.x,tmpCurrentViewport.y);
}
return tmpCurrentViewport;
}
ofRectangle ofMatrixStack::getCurrentViewport(){
ofRectangle currentViewport = this->currentViewport;
if (isVFlipped()){
currentViewport.y = getRenderSurfaceHeight() - (currentViewport.y + currentViewport.height);
}
if(!doesHWOrientation() && (orientation==OF_ORIENTATION_90_LEFT || orientation==OF_ORIENTATION_90_RIGHT)){
swap(currentViewport.width,currentViewport.height);
swap(currentViewport.x,currentViewport.y);
}
return currentViewport;
}
