Example #1
0
void G2DTestSystemDriver::BlitTest ()
{
  int w = myG2D->GetWidth ();
  int h = myG2D->GetHeight ();
  myG2D->SetClipRect(0,0,w,h);
  myG2D->DrawBox(0,0,w,h, dsteel);
  
  SetFont (fontItalic);
  WriteCentered (0,-16*8, white, -1, "BLIT() TEST");

  SetFont (fontLarge);
  WriteCentered (0,-16*7, black, dsteel, "This will test whether iGraphics2D->Blit() works correctly");
  WriteCentered (0,-16*6, black, dsteel, "on this canvas.");

  WriteCentered (0,-16*4, black, dsteel, "You should see an image of an arrow and the word %s.",
		 CS::Quote::Double ("up"));
  WriteCentered (0,-16*3, black, dsteel, "It is surrounded by a green rectangle, and the image");
  WriteCentered (0,-16*2, black, dsteel, "itself has a black border. No red should be visible");
  WriteCentered (0,-16*1, black, dsteel, "and the border has to be complete, too.");

  if (blitTestImage.IsValid ())
  {
    const int imW = blitTestImage->GetWidth ();
    const int imH = blitTestImage->GetHeight ();
    const int bx = (w - imW) / 2;
    const int by = h / 2;
    DrawClipRect (bx, by, imW + 1, imH + 1);
    myG2D->Blit (bx + 1, by + 1, imW, imH, 
      (unsigned char*)blitTestImage->GetImageData ());
  }
}
Example #2
0
void G2DTestSystemDriver::DrawAlphaTestScreen ()
{
  int w = myG2D->GetWidth ();
  int h = myG2D->GetHeight ();
  myG2D->SetClipRect(0,0,w,h);
  myG2D->DrawBox(0,0,w,h, dsteel);

  SetFont (fontItalic);
  WriteCentered (1, 1, white, -1, "ALPHA COLOR TEST");

  SetFont (fontLarge);
  WriteCentered (1, 16*2, black, -1, "If your current canvas is in 32-bit mode, you should");
  WriteCentered (1, 16*3, black, -1, "see various text and geometry at various transparencies.");

  myG2D->DrawBox (190, 80, 50, 100, black);
  myG2D->DrawBox (20, 100, 150, 75, myG2D->FindRGB (205, 0, 125, 200));
  myG2D->DrawBox (120, 100, 100, 50, myG2D->FindRGB (120, 50, 50, 100));
  myG2D->DrawLine (30, 110, 120, 60, myG2D->FindRGB (255, 128, 128, 128));
  myG2D->DrawLine (120, 60, 70, 120, myG2D->FindRGB (128, 255, 128, 128));
  myG2D->DrawLine (70, 120, 30, 110, myG2D->FindRGB (128, 128, 255, 128));

  if (alphaBlitImage.IsValid ())
  {
    myG2D->Blit (20, 160, alphaBlitImage->GetWidth (), alphaBlitImage->GetHeight (), 
      (unsigned char*)alphaBlitImage->GetImageData ());
  }

  myG2D->Write (font, 50, 140, myG2D->FindRGB (255, 255, 255, 100), -1,
    L"Here is some partially transparent text");
  myG2D->Write (font, 50, 150, myG2D->FindRGB (0, 0, 255, 150), -1,
    L"overlaying partially transparent boxes.");

  csString str;
  int i;
  int y = 140;
  int tw, th;
  font->GetMaxSize (tw, th);
  for (i = 0; i < 6; i++)
  {
    const uint8 alpha = (i * 51);
    str.Format ("FG has alpha %" PRIu8 , alpha);
    myG2D->Write (font, 320, y, MakeColor (255, 255, 255, alpha), 
      black, str);
    y += th;
    str.Format ("BG has alpha %" PRIu8, alpha);
    myG2D->Write (font, 320, y, white, MakeColor (0, 0, 0, alpha), 
      str);
    y += th;
  }
}