void ofCairoRenderer::viewport(float x, float y, float width, float height, bool invertY){
if(width == 0) width = ofGetWidth();
if(height == 0) height = ofGetHeight();
if (invertY){
y = ofGetHeight() - (y + height);
}
cairo_surface_flush(surface);
viewportRect.set(x, y, width, height);
if(page==0 || !multiPage){
page=1;
}else{
page++;
if(bClearBg()){
cairo_show_page(cr);
}else{
cairo_copy_page(cr);
}
}
cairo_reset_clip(cr);
cairo_new_path(cr);
cairo_move_to(cr,viewportRect.x,viewportRect.y);
cairo_line_to(cr,viewportRect.x+viewportRect.width,viewportRect.y);
cairo_line_to(cr,viewportRect.x+viewportRect.width,viewportRect.y+viewportRect.height);
cairo_line_to(cr,viewportRect.x,viewportRect.y+viewportRect.height);
cairo_clip(cr);
};
//----------------------------------------------------------
void ofxCairoTexture::background(const ofColor & c){
bgColor = c;
// if we are in auto mode, then clear with a bg call...
if (bClearBg()){
clear(c.r,c.g,c.b,c.a);
}
}
void ofCairoRenderer::update(){
cairo_surface_flush(surface);
if(page==0 || !multiPage){
page=1;
}else{
page++;
if(bClearBg()){
cairo_show_page(cr);
}else{
cairo_copy_page(cr);
}
}
ofSetStyle(ofGetStyle());
}
