Пример #1
0
void
DrawingContext::draw_surface(SurfacePtr surface, const Vector& position,
                             float angle, const Color& color, const Blend& blend,
                             int layer)
{
  assert(surface != 0);

  DrawingRequest* request = new(obst) DrawingRequest();

  request->target = target;
  request->type = SURFACE;
  request->pos = transform.apply(position);

  if(request->pos.x >= SCREEN_WIDTH || request->pos.y >= SCREEN_HEIGHT
     || request->pos.x + surface->get_width() < 0
     || request->pos.y + surface->get_height() < 0)
    return;

  request->layer = layer;
  request->drawing_effect = transform.drawing_effect;
  request->alpha = transform.alpha;
  request->angle = angle;
  request->color = color;
  request->blend = blend;

  SurfaceRequest* surfacerequest = new(obst) SurfaceRequest();
  surfacerequest->surface = surface.get();
  request->request_data = surfacerequest;

  requests->push_back(request);
}
Пример #2
0
    void TtFontAsset::RenderText( SurfacePtr dest, int& x, int& y, const char* text, const pei::Color& color /*= pei::XColor(255,255,255)*/ )
    {
        //     assert ( pFont );
        if (!m_TtFont || dest.get() == NULL ) {
            return;
        }
#ifdef _HAS_SDL_TTF_
        SDL_Surface *text_surface = NULL;
        // this is a hack! We swap r & g and correct the color format manually
        // SDL_ttf renders ARGB, but we need ABGR (or LE RGBA) to match RGBA texture format - performace reasons!
        SDL_Color c = { color.b, color.g, color.r, color.a };
        if ( (text_surface = TTF_RenderText_Blended( (TTF_Font*)m_TtFont->GetFontHandle(), text, c )) != NULL )
        {
            // swap r&g in the format description
            text_surface->format->Rmask = 0x000000ff; text_surface->format->Rshift = 0;
            text_surface->format->Bmask = 0x00ff0000; text_surface->format->Bshift = 16;

        	pei::SurfacePtr txt( new pei::SDL::SurfaceWrapper(text_surface));
            pei::Blitter blitter(pei::PixOpPtr(new PixOpAlphaBlitSrcAlpha(txt->GetFormat(),dest->GetFormat()) ) );
            blitter.Blit( txt, dest, x, y, txt->GetWidth(), txt->GetHeight(), 0, 0 );

            int tw, th;
            TTF_SizeText( (TTF_Font*)m_TtFont->GetFontHandle(), text, &tw, &th);

            Uint32 font_height = TTF_FontHeight((TTF_Font*)m_TtFont->GetFontHandle()); // - a - 2*d;
            y += font_height;
            x += tw;
        }
#endif
    }
Пример #3
0
void
DrawingContext::draw_surface_part(SurfacePtr surface,
                                  const Rectf& srcrect, const Rectf& dstrect,
                                  int layer)
{
  assert(surface != 0);

  DrawingRequest* request = new(obst) DrawingRequest();

  request->target = target;
  request->type = SURFACE_PART;
  request->pos = transform.apply(dstrect.p1);
  request->layer = layer;
  request->drawing_effect = transform.drawing_effect;
  request->alpha = transform.alpha;

  SurfacePartRequest* surfacepartrequest = new(obst) SurfacePartRequest();
  surfacepartrequest->srcrect = srcrect;
  surfacepartrequest->dstsize = dstrect.get_size();
  surfacepartrequest->surface = surface.get();

  request->request_data = surfacepartrequest;

  requests->push_back(request);
}