void SoftwareRendererImp::draw_svg( SVG& svg ) {
// set top level transformation
transformation = canvas_to_screen;
//allocate array for new target
size_t super_w, super_h, super_size;
super_w = this->target_w * sample_rate;
super_h = this->target_h * sample_rate;
unsigned char* old_buf = this->render_target;
unsigned char* super_buf = new unsigned char [super_w * super_h * 4];
set_render_target( super_buf, super_w, super_h );
clear_target();
/*
printf("before rendering:\n");
for (size_t i = 0; i < super_w * super_h; i++ ) {
if (super_buf[i] != 255) {
printf("super_buf[%zu] = %u\n", i, super_buf[i]);
}
}
*/
// draw all elements
for ( size_t i = 0; i < svg.elements.size(); ++i ) {
transformation = canvas_to_screen;
draw_element(svg.elements[i]);
}
// draw canvas outline
Vector2D a = transform(Vector2D( 0 , 0 )); a.x--; a.y++;
Vector2D b = transform(Vector2D(svg.width, 0 )); b.x++; b.y++;
Vector2D c = transform(Vector2D( 0 ,svg.height)); c.x--; c.y--;
Vector2D d = transform(Vector2D(svg.width,svg.height)); d.x++; d.y--;
rasterize_line(a.x, a.y, b.x, b.y, Color::Black);
rasterize_line(a.x, a.y, c.x, c.y, Color::Black);
rasterize_line(d.x, d.y, b.x, b.y, Color::Black);
rasterize_line(d.x, d.y, c.x, c.y, Color::Black);
this->sample_buffer = super_buf;
/*
printf("after rendering:\n");
for (size_t i = 0; i < super_w * super_h; i++ ) {
if (super_buf[i] != 255) {
printf("super_buf[%zu] = %u\n", i, super_buf[i]);
}
}
*/
set_render_target( old_buf, super_w / sample_rate, super_h / sample_rate);
clear_target();
// resolve and send to render target
resolve();
}
void flip()
{
if(!first_fb) waitflip();
else gcmResetFlipStatus();
gcmSetFlip(context,curr_fb);
rsxFlushBuffer(context);
gcmSetWaitFlip(context);
curr_fb ^= 1;
set_render_target(curr_fb);
first_fb = 0;
}
