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;
}
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);
}
void ofMatrixStack::setOrientation(ofOrientation _orientation, bool vFlip){
vFlipped = vFlip;
orientation = _orientation;
if(vFlip){
handedness = OF_LEFT_HANDED;
}else{
handedness = OF_RIGHT_HANDED;
}
orientationMatrix = glm::mat4(1.0);
bool vFlipMatrix = customMatrixNeedsFlip();
if(vFlipMatrix)
orientationMatrix = glm::scale(orientationMatrix, glm::vec3(1.f,-1.f,1.f));
if(!doesHWOrientation()){
switch(orientation) {
case OF_ORIENTATION_180:
orientationMatrix = glm::rotate(orientationMatrix, glm::pi<float>(), glm::vec3{0.f, 0.f, 1.f});
break;
case OF_ORIENTATION_90_RIGHT:
orientationMatrix = glm::rotate(orientationMatrix, glm::half_pi<float>(), glm::vec3{0.f, 0.f, 1.f});
break;
case OF_ORIENTATION_90_LEFT:
orientationMatrix = glm::rotate(orientationMatrix, -glm::half_pi<float>(), glm::vec3{0.f, 0.f, 1.f});
break;
case OF_ORIENTATION_DEFAULT:
default:
break;
}
}
orientationMatrixInverse = glm::inverse(orientationMatrix);
orientedProjectionMatrix = orientationMatrix * projectionMatrix;
modelViewProjectionMatrix = orientedProjectionMatrix * modelViewMatrix;
}
void ofMatrixStack::setOrientation(ofOrientation _orientation, bool vFlip){
vFlipped = vFlip;
orientation = _orientation;
if(vFlip){
handedness = OF_LEFT_HANDED;
}else{
handedness = OF_RIGHT_HANDED;
}
orientationMatrix.makeIdentityMatrix();
bool vFlipMatrix = customMatrixNeedsFlip();
if(vFlipMatrix)
orientationMatrix.scale(1,-1,1);
if(!doesHWOrientation()){
switch(orientation) {
case OF_ORIENTATION_180:
orientationMatrix.rotate(180,0,0,1);
break;
case OF_ORIENTATION_90_RIGHT:
orientationMatrix.rotate(90,0,0,1);
break;
case OF_ORIENTATION_90_LEFT:
orientationMatrix.rotate(-90,0,0,1);
break;
case OF_ORIENTATION_DEFAULT:
default:
break;
}
}
orientationMatrixInverse = orientationMatrix.getInverse();
orientedProjectionMatrix = projectionMatrix * orientationMatrix;
modelViewProjectionMatrix = modelViewMatrix * orientedProjectionMatrix;
}
