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;
}
}
void G2DTestSystemDriver::DrawUnicodeTest1 ()
{
int w = myG2D->GetWidth ();
int h = myG2D->GetHeight ();
myG2D->SetClipRect(0,0,w,h);
myG2D->DrawBox(0,0,w,h, dsteel);
SetFont (fontItalic);
int tpos = -h / 2;
WriteCentered (0, tpos, white, -1, "UNICODE TEST 1");
SetFont (fontLarge);
WriteCentered (0, tpos + 16*2, black, -1, "Below you see the equivalent of %s",
CS::Quote::Double ("Quick brown fox"));
WriteCentered (0, tpos + 16*3, black, -1, "in several languages.");
WriteCentered (0, tpos + 16*4, black, -1, "In the ideal case, all characters should be displayed.");
WriteCentered (0, tpos + 16*5, black, -1, "If you see a box in some places, a particular");
WriteCentered (0, tpos + 16*6, black, -1, "character is not available in the font.");
int y = tpos + 16*8;
int i = 0;
while (quickBrownFox[i] != 0)
{
int fW, fH;
SetFont (fontCourier);
WriteCentered (0, y, yellow, -1, quickBrownFox[i + 1]);
font->GetDimensions (quickBrownFox[i + 1], fW, fH);
y += fH;
SetFont (fontLarge);
font->GetMaxSize (fW, fH);
int h;
WriteCenteredWrapped (0, y, h, white, -1, quickBrownFox[i]);
y += h + fH;
i += 2;
}
SetFont (fontCourier);
WriteCentered (2, 0, green, -1, "press any key to continue");
}
void G2DTestSystemDriver::DrawUnicodeTest2 ()
{
int w = myG2D->GetWidth ();
int h = myG2D->GetHeight ();
myG2D->SetClipRect(0,0,w,h);
myG2D->DrawBox(0,0,w,h, dsteel);
SetFont (fontItalic);
int tpos = -h / 2;
WriteCentered (0, tpos, white, -1, "UNICODE TEST 2");
SetFont (fontLarge);
WriteCentered (0, tpos + 16*2, black, -1, "Below you see some translations for %s.",
CS::Quote::Double ("I can eat glass"));
WriteCentered (0, tpos + 16*3, black, -1, "In the ideal case, all characters should be displayed.");
WriteCentered (0, tpos + 16*4, black, -1, "If you see a box in some places, a particular");
WriteCentered (0, tpos + 16*5, black, -1, "character is not available in the font.");
int y = tpos + 16*7;
int i = 0;
while (iCanEatGlass[i] != 0)
{
int fW, fH;
SetFont (fontCourier);
WriteCentered (0, y, yellow, -1, iCanEatGlass[i + 1]);
font->GetDimensions (iCanEatGlass[i + 1], fW, fH);
y += fH;
SetFont (fontLarge);
font->GetMaxSize (fW, fH);
int h;
WriteCenteredWrapped (0, y, h, white, -1, iCanEatGlass[i]);
y += h + fH;
i += 2;
}
SetFont (fontCourier);
WriteCentered (2, 0, green, -1, "press any key to continue");
}
void G2DTestSystemDriver::WriteCenteredWrapped (int mode, int dy, int &h,
int fg, int bg,
const char *format, ...)
{
if (!font) return;
csString text;
va_list arg;
va_start (arg, format);
text.FormatV (format, arg);
va_end (arg);
int y = 0, w = myG2D->GetWidth ();
int fW, fH;
font->GetMaxSize (fW, fH);
switch (mode)
{
case 0: // centered by Y
y = dy + myG2D->GetHeight () / 2;
break;
case 1: // from top
y = dy;
break;
case 2: // from bottom
y = dy + (myG2D->GetHeight () - 1 - fH);
break;
}
h = 0;
int sW, sH;
font->GetDimensions (" ", sW, sH);
// break text so that it completely fits onto the screen.
int lw = -sW;
int maxLH = fH;
char* line = csStrNew (text);
char* p = line;
csString drawLine;
while (p && *p)
{
char* space = strchr (p, ' ');
if (space != 0)
*space = 0;
int tW, tH;
font->GetDimensions (p, tW, tH);
if (lw + tW + sW >= w)
{
WriteCentered (1, y + h, fg, bg, (drawLine.GetData ()) + 1);
drawLine.Clear ();
drawLine << ' ' << p;
//p = space + 1;
lw = 0;
h += maxLH;
maxLH = MAX(fH, tH);
}
else
{
lw += tW + sW;
drawLine << ' ' << p;
maxLH = MAX(maxLH, tH);
}
if (space != 0) p = space + 1; else p = 0;
}
WriteCentered (1, y + h, fg, bg, (drawLine.GetData ()) + 1);
h += maxLH;
delete[] line;
}