bool SdlBatcher::append(const Picture& pic, const Rect& srcrect, const Rect& dstRect, Rect *clip )
{
if( !pic.isValid() )
return true;
Rect rclip = clip ? *clip : Rect();
if( !_d->onwork->texture.isValid() )
{
_d->onwork->texture = pic;
_d->onwork->clip = rclip;
}
bool batched = true;
bool textureSwitched = _d->onwork->texture.texture() != pic.texture();
bool clipSwitched = (_d->onwork->clip != rclip);
if( textureSwitched || clipSwitched)
{
std::swap( _d->batched, _d->onwork );
reset();
_d->onwork->texture = pic;
_d->onwork->clip = rclip;
batched = false;
}
_d->onwork->srcrects.push_back( Rect( pic.originRect().lefttop() + srcrect.lefttop(), srcrect.size() ) );
_d->onwork->dstrects.push_back( Rect( dstRect.lefttop() + Point( pic.offset().x(), -pic.offset().y() ), dstRect.size() ) );
return batched;
}
void SdlEngine::draw(const Picture &picture, const int dx, const int dy, Rect* clipRect )
{
if( !picture.isValid() )
return;
int t = DateTime::elapsedTime();
_d->drawCall++;
if( clipRect != 0 )
{
SDL_Rect r = { clipRect->left(), clipRect->top(), clipRect->width(), clipRect->height() };
SDL_RenderSetClipRect( _d->renderer, &r );
}
const Impl::MaskInfo& mask = _d->mask;
SDL_Texture* ptx = picture.texture();
const Rect& orect = picture.originRect();
Size picSize = orect.size();
const Point& offset = picture.offset();
if( mask.enabled )
{
SDL_SetTextureColorMod( ptx, mask.red >> 16, mask.green >> 8, mask.blue );
SDL_SetTextureAlphaMod( ptx, mask.alpha >> 24 );
}