void G2DTestSystemDriver::WriteCentered (int mode, int dy, 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 fw, fh;
font->GetDimensions (text, fw, fh);
int x = (myG2D->GetWidth () - fw) / 2;
int y = 0;
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;
}
myG2D->Write (font, x, y + fh - font->GetDescent(), fg, bg, text,
CS_WRITE_BASELINE);
}
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 ());
}
}
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::PixelClipTest ()
{
int w = myG2D->GetWidth ();
int h = myG2D->GetHeight ();
int sx = w/4, sy = h / 2 + 60, sw = w/2, sh = h / 4 - 60;
myG2D->SetClipRect(0,0,w,h);
myG2D->DrawBox(0,0,w,h, dsteel);
SetFont (fontItalic);
WriteCentered (0,16*-12, white, -1, "PIXEL CLIP TEST");
SetFont (fontLarge);
WriteCentered (0,16*-10, black, dsteel, "This will test if pixel clipping is being done properly");
WriteCentered (0,16*-8, black, dsteel, "For each of the following clip tests we will be drawing");
WriteCentered (0,16*-7, black, dsteel, "a 1 pixel wide green rectangle with a 1 pixel wide red rectangle");
WriteCentered (0,16*-6, black, dsteel, "inside of it.");
WriteCentered (0,16*-4, black, dsteel, "The clipping rectangle has been set so the red rectangle is");
WriteCentered (0,16*-3, black, dsteel, "inside the clipping region. If any of the lines of the red rectangle");
WriteCentered (0,16*-2, black, dsteel, "are solid (not drawn over) then the clipping region is cutting off too much");
WriteCentered (0,16*0, black, dsteel, "The green rectangle is outside the clipping region. If any of the lines");
WriteCentered (0,16*1, black, dsteel, "of the green rectangle are being drawn over then the clipping region is");
WriteCentered (0,16*2, black, dsteel, "not clipping enough.");
SetFont (fontCourier);
DrawClipRect(sx, sy, sw, sh);
myG2D->SetClipRect(sx + 1, sy + 1, sx + sw, sy + sh);
// Test random pixel drawing
csRandomGen rng (csGetTicks ());
csTicks start_time = csGetTicks (), delta_time;
// widen the range where we try to draw pixels
sx -= 10;
sy -= 10;
sw += 20;
sh += 20;
do
{
int i;
for (i = 0; i < 1000; i++)
{
int x = int(sx + rng.Get () * sw);
int y = int(sy + rng.Get () * sh);
myG2D->DrawPixel(x,y,black);
}
delta_time = csGetTicks () - start_time;
} while (delta_time < 100);
}
void G2DTestSystemDriver::DrawFreetypeTest ()
{
const char* fontFaces[] = {"DejaVuSans", "DejaVuSansBoldOblique",
"DejaVuSansMono", "DejaVuSerif", 0};
const int fontSizes[] = {4, 8, 12, 24, 0};
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, "FREETYPE2 PLUGIN TEST");
SetFont (fontLarge);
WriteCentered (0, tpos + 16*2, black, -1,
"If the FreeType2 plugin was built and activated in the");
WriteCentered (0, tpos + 16*3, black, -1,
"g2dtest.cfg file (it is by default), you should see text");
WriteCentered (0, tpos + 16*4, black, -1,
"in various faces and sizes below.");
csRefArray<iFont> fonts;
// The used fonts are all kept until the end of this function, to provide
// some more "stress" on the font cache.
int y = tpos + 16*7;
int i = 0;
while (fontFaces[i] != 0)
{
csString str;
int j = 0;
while (fontSizes[j] != 0)
{
int fW, fH;
csRef<iFont> font = GetFont (fontFaces[i], fontSizes[j]);
if (font)
{
fonts.Push (font);
SetFont (font);
str.Clear ();
str << fontFaces[i] << ", Size " << fontSizes[j];
WriteCentered (0, y, yellow, -1, str.GetData ());
font->GetDimensions (str.GetData (), fW, fH);
y += fH + 4;
}
j++;
}
i++;
}
SetFont (fontCourier);
WriteCentered (2, 0, green, -1, "press any key to continue");
}
void G2DTestSystemDriver::DrawTextTest ()
{
// Draw a grid of lines so that transparent text background will be visible
int w = myG2D->GetWidth ();
int h = myG2D->GetHeight ();
int i;
for (i = 0; i < w; i += 4)
{
myG2D->DrawLine (float(i), 0.0f, float(i) + 50.0f, float(h), dsteel);
myG2D->DrawLine (float(w - i), 0.0f, float(w - i) - 50.0f, float(h), dsteel);
}
SetFont (fontItalic);
WriteCentered (0,-16*7, white, -1, "TEXT DRAWING TEST");
SetFont (fontLarge);
WriteCentered (0,-16*5, blue, -1, "This is blue text with transparent background");
WriteCentered (0,-16*4, green, blue, "This is green text on blue background");
WriteCentered (0,-16*3, yellow, gray, "Yellow text on gray background");
WriteCentered (0,-16*2, red, black, "Red text on black background");
WriteCentered (0,-16*1, black, white, "Black text on white background");
SetFont (fontCourier);
int sx = 0, sy = h / 2 + 48, sw = w, sh = h / 2 - 48;
myG2D->DrawBox (sx, sy, sw, sh, dsteel);
const char *text = "Crystal Space rulez";
int tw, th;
font->GetDimensions (text, tw, th);
size_t cc = strlen (text);
// Test text drawing performance for 1/4 seconds
int colors [4] = { red, green, blue, yellow };
sx += 20; sw -= 40 + tw;
sy += 10; sh -= 20 + th;
csRandomGen rng (csGetTicks ());
csTicks start_time = csGetTicks (), delta_time;
size_t char_count = 0;
do
{
for (i = 0; i < 2000; i++)
{
float x = sx + rng.Get () * sw;
float y = sy + rng.Get () * sh;
myG2D->Write (font, int(x), int(y), colors [rng.Get (4)], black, text);
char_count += cc;
}
myG2D->PerformExtension ("flush");
delta_time = csGetTicks () - start_time;
} while (delta_time < 500);
float perf = char_count * (1000.0f / delta_time);
SetFont (fontLarge);
WriteCentered (0, 16*1, green, black, " Performance: %20.1f characters/second ", perf);
}
void G2DTestSystemDriver::DrawLinePerf ()
{
SetFont (fontItalic);
WriteCentered (0,-16*4, white, -1, "LINE SLOPE AND PERFORMANCE TEST");
int w2 = myG2D->GetWidth () / 2;
int colors [4] = { red, green, blue, yellow };
int a;
for (a = 0; a < 360; a += 5)
{
float angle = (a * TWO_PI) / 360.0;
float x = w2 + 80 * cos (angle);
float y = 100 + 80 * sin (angle);
myG2D->DrawLine (w2, 100, x, y, colors [a & 3]);
}
// Compute the size for the random lines box
int sx = 0;
int sw = myG2D->GetWidth ();
int sy = myG2D->GetHeight () / 2;
int sh = sy;
myG2D->DrawBox (sx, sy + 16, sw, sh - 16, dsteel);
SetFont (fontLarge);
WriteCentered (0,-16*2, gray, -1, "Above this text you should see a uniformly hashed circle,");
WriteCentered (0,-16*1, gray, -1, "while below you should see some random lines, and the");
WriteCentered (0, 16*0, gray, -1, "measured line drawing performance in pixels per second.");
// Test line drawing performance for 1/4 seconds
sx += 20; sw -= 40;
sy += 30; sh -= 40;
csRandomGen rng (csGetTicks ());
csTicks start_time = csGetTicks (), delta_time;
float pix_count = 0;
do
{
for (a = 0; a < 5000; a++)
{
float x1 = sx + rng.Get () * sw;
float y1 = sy + rng.Get () * sh;
float x2 = sx + rng.Get () * sw;
float y2 = sy + rng.Get () * sh;
myG2D->DrawLine (x1, y1, x2, y2, colors [rng.Get (4)]);
x2 = csQint (x2 - x1); y2 = csQint (y2 - y1);
pix_count += csQsqrt (x2 * x2 + y2 * y2);
}
myG2D->PerformExtension ("flush");
delta_time = csGetTicks () - start_time;
} while (delta_time < 500);
pix_count = pix_count * (1000.0 / delta_time);
WriteCentered (0, 16*1, green, black, " Performance: %20.1f pixels/second ", pix_count);
}
void G2DTestSystemDriver::BoxClipTest()
{
int w = myG2D->GetWidth ();
int h = myG2D->GetHeight ();
int sx = w/4, sy = h / 2 + 60, sw = w/2, sh = h / 4 - 60;
myG2D->SetClipRect(0,0,w,h);
myG2D->DrawBox(0,0,w,h, dsteel);
SetFont (fontItalic);
WriteCentered (0,-16*4, white, -1, "BOX CLIP TEST");
SetFont (fontLarge);
WriteCentered (0,-16*3, black, dsteel, "This will test if box clipping is being done properly");
WriteCentered (0,-16*2, black, dsteel, "You should see a thin green rectangle below");
WriteCentered (0,16*0, black, dsteel, "Again all the black should be contained inside the green");
WriteCentered (0,16*1, black, dsteel, "rectangle. The red rectangle should not be visible.");
SetFont (fontCourier);
DrawClipRect(sx, sy, sw, sh);
myG2D->SetClipRect(sx + 1, sy + 1, sx + sw, sy + sh);
// Test random box drawing
csRandomGen rng (csGetTicks ());
csTicks start_time = csGetTicks (), delta_time;
// widen the range where we try to draw
sx -= 10;
sy -= 10;
sw += 20;
sh += 20;
do
{
int i;
for (i = 0; i < 1000; i++)
{
int x = int(sx + rng.Get () * sw);
int y = int(sy + rng.Get () * sh);
int width = int(rng.Get () * sw);
int height = int(rng.Get () * sh);
myG2D->DrawBox(x,y,width,height,black);
}
delta_time = csGetTicks () - start_time;
} while (delta_time < 100);
}
void G2DTestSystemDriver::DrawContextInfoScreen ()
{
SetFont (fontLarge);
WriteCentered (0,-16*2, white, -1, "Some information about graphics context");
WriteCentered (0,-16*1, gray, -1, "Screen size: %d x %d", myG2D->GetWidth (), myG2D->GetHeight ());
WriteCentered (0, 0, gray, -1, "Pixel format: %d BPP", myG2D->GetColorDepth());
int MinX, MinY, MaxX, MaxY;
myG2D->GetClipRect (MinX, MinY, MaxX, MaxY);
WriteCentered (0, 16*1, gray, -1, "Current clipping rectangle: %d,%d - %d,%d", MinX, MinY, MaxX, MaxY);
SetFont (fontCourier);
WriteCentered (2, 0, green, -1, "press any key to continue");
}
void G2DTestSystemDriver::DrawStartupScreen ()
{
myG2D->DrawBox (20, 20, myG2D->GetWidth () - 40, myG2D->GetHeight () - 40, blue);
SetFont (fontItalic);
WriteCentered (0, -20, white, -1, "WELCOME");
SetFont (fontLarge);
WriteCentered (0, 0, white, -1, "to graphics canvas plugin");
WriteCentered (0, +20, white, -1, "test application");
SetFont (fontCourier);
WriteCentered (2, 0, green, -1, "please wait five seconds");
}
void G2DTestSystemDriver::DrawCustomCursorScreen ()
{
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, "CUSTOM MOUSE CURSOR");
SetFont (fontLarge);
WriteCentered (0, tpos + 16*2, black, -1, "If your current canvas supports custom mouse cursors");
WriteCentered (0, tpos + 16*3, black, -1, "you shouldn't see your systems default cursor now.");
}
void G2DTestSystemDriver::DrawWindowResizeScreen ()
{
DrawWindowScreen ();
myG2D->AllowResize (true);
myG2D->DrawBox (0, myG2D->GetHeight () / 2 + 16, myG2D->GetWidth (), 16 * 4, blue);
SetFont (fontLarge);
WriteCentered (0, 16*1, white, -1, "Now resizing should be enabled. Try to resize the");
WriteCentered (0, 16*2, white, -1, "window: you should be either unable to do it (if");
WriteCentered (0, 16*3, white, -1, "canvas driver does not support resize) or see");
WriteCentered (0, 16*4, white, -1, "the current window size in top-right corner.");
SetFont (fontCourier);
WriteCentered (2, 0, green, -1, "press any key to continue");
}
LayerSampler (int basemap_w, int basemap_h, MaterialLayer* layer)
: textureScale (layer->texture_scale)
{
float layer_needed_x = float (basemap_w) / textureScale.x;
float layer_needed_y = float (basemap_h) / textureScale.y;
iImage* layerImage = layer->GetImage();
int mip_x = csFindNearestPowerOf2 (
int (ceil (layerImage->GetWidth() / layer_needed_x)));
int mip_y = csFindNearestPowerOf2 (
int (ceil (layerImage->GetHeight() / layer_needed_y)));
int mip = csMax (
csClamp (csLog2 (mip_x), csLog2 (layerImage->GetWidth()), 0),
csClamp (csLog2 (mip_y), csLog2 (layerImage->GetHeight()), 0));
img = GetImageMip (layerImage, mip);
img_w = img->GetWidth();
img_h = img->GetHeight();
}
void G2DTestSystemDriver::DrawCustomIconScreen ()
{
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, "CUSTOM WINDOW ICON");
SetFont (fontLarge);
WriteCentered (0, tpos + 16*2, black, -1, "If your current canvas supports custom window icons");
WriteCentered (0, tpos + 16*3, black, -1, "the window icon should have changed.");
WriteCentered (0, tpos + 16*4, black, -1, "It should look like a %s of the Crystal Space logo.",
CS::Quote::Double ("shard"));
}
void G2DTestSystemDriver::ResizeContext ()
{
if (!myG2D->BeginDraw ())
return;
myG2D->Clear (black);
DrawWindowResizeScreen ();
csString text;
text.Format ("Canvas [%d x %d]", myG2D->GetWidth (), myG2D->GetHeight ());
SetFont (fontLarge);
int fw, fh;
font->GetDimensions (text, fw, fh);
int x = myG2D->GetWidth () - fw;
myG2D->Write (font, x, 0, red, -1, text);
myG2D->FinishDraw ();
myG2D->Print (0);
}
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::DrawLineTest ()
{
#if 0
// some tests for some special kinds of lines
myG2D->DrawLine (0, 0, 200, 200, yellow);
myG2D->DrawLine (0, 0, 205, 200, red);
myG2D->DrawLine (0, 0, 195, 200, green);
int w = myG2D->GetWidth ();
myG2D->DrawLine (0, 250, w / 3, 250, red);
myG2D->DrawLine (w / 3, 250.1, w * 2 / 3, 250.1, red);
myG2D->DrawLine (w * 2 / 3, 250.99, w, 250.99, red);
myG2D->DrawLine (200, myG2D->GetHeight () - 200, 0, myG2D->GetHeight (), blue);
myG2D->DrawLine (81, 221, 519, 221, white);
#else
SetFont (fontItalic);
WriteCentered (0,-16*5, white, -1, "LINE DRAWING TEST");
SetFont (fontLarge);
WriteCentered (0,-16*3, gray, -1, "At the top of the screen you should see a sinusoid,");
WriteCentered (0,-16*2, gray, -1, "each point on sinusoid should be connected with the");
WriteCentered (0,-16*1, gray, -1, "top-left corner of the canvas.");
float py = -1;
int a;
for (a = 0; a <= myG2D->GetWidth (); a += 8)
{
float angle = float (a) / 30;
float y = int (80 + sin (angle) * 60);
if (py > 0)
myG2D->DrawLine (a - 8, py, a, y, red);
myG2D->DrawLine (0, 0, a, y, yellow);
py = y;
}
WriteCentered (0, 16*1, gray, -1, "At the bottom of the screen you should see several");
WriteCentered (0, 16*2, gray, -1, "lines interruped by a white pixel in the middle.");
int w = myG2D->GetWidth ();
float x = (w / 2) + 0.5;
float y = myG2D->GetHeight () - 50.5;
myG2D->DrawPixel (int(x), int(y), white);
myG2D->DrawLine (0, y - 0.5, x - 0.5, y - 0.5, red);
myG2D->DrawLine (x + 0.5, y + 0.49, w, y + 0.49, red);
// Compute the slope for a line that is going through (x,y)
float y1 = y - 5;
float y2 = y + 5;
float dy = float (y2 - y1) / float (w);
float y11 = y1 + (x - 0.5 ) * dy;
float y12 = y1 + (x + 0.5) * dy;
myG2D->DrawLine (0, y1, x - 0.5, y11, blue);
myG2D->DrawLine (x + 0.5, y12, w, y2, blue);
myG2D->DrawLine (x, y - 20, x, y - 0.5, gray);
myG2D->DrawLine (x, y + 0.5, x, y + 20, gray);
WriteCentered (0, 16*4, gray, -1, "A little above you should see four adjanced horizontal");
WriteCentered (0, 16*5, gray, -1, "lines of blue, green, red and yellow colors.");
myG2D->DrawLine (0, y - 43 - 0.5, w - 0.9, y - 43, blue);
myG2D->DrawLine (0, y - 42 + 0.49, w + 0.9, y - 42, green);
myG2D->DrawLine (0, y - 41, w, y - 41 - 0.5, red);
myG2D->DrawLine (0, y - 40, w - 0.5, y - 40 + 0.49, yellow);
#endif
}
void G2DTestSystemDriver::LineClipTest ()
{
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*4, white, -1, "LINE CLIP TEST");
SetFont (fontLarge);
WriteCentered (0,-16*1, black, dsteel, "This will test if line clipping is being done properly");
WriteCentered (0,0, black, dsteel, "You should see 3 thin green rectangles below with black");
WriteCentered (0,16*1, black, dsteel, "inside each. Like before we want no black on the green while the");
WriteCentered (0,16*2, black, dsteel, "red should be covered. The first box is drawing horizontal lines, ");
WriteCentered (0,16*3, black, dsteel, "the second, vertical lines, and the third, random diagonal lines.");
SetFont (fontCourier);
int sx1 = w/7, sx2 = 3*sx1, sx3 = 5*sx1, sy = h / 2 + 60, sw = w/7, sh = h / 4 - 60;
DrawClipRect(sx1, sy, sw, sh);
DrawClipRect(sx2, sy, sw, sh);
DrawClipRect(sx3, sy, sw, sh);
// Test random pixel drawing
csRandomGen rng (csGetTicks ());
csTicks start_time = csGetTicks (), delta_time;
// widen the range where we try to draw pixels
int sx1_big = sx1 - 10;
int sx2_big = sx2 - 10;
int sx3_big = sx3 - 10;
int sy_big = sy - 10;
int sw_big = sw + 20;
int sh_big = sh + 20;
do
{
int i;
myG2D->SetClipRect(sx1 + 1, sy + 1, sx1 + sw, sy + sh);
for (i = 0; i < 10; i++)
{
float x1 = sx1_big + rng.Get () * sw_big;
float x2 = sx1_big + rng.Get () * sw_big;
float y = sy_big + rng.Get () * sh_big;
myG2D->DrawLine(x1,y,x2,y,black);
}
myG2D->SetClipRect(sx2 + 1, sy + 1, sx2 + sw, sy + sh);
for (i = 0; i < 100; i++)
{
float x = sx2_big + rng.Get () * sw_big;
float y1 = sy_big + rng.Get () * sh_big;
float y2 = sy_big + rng.Get () * sh_big;
myG2D->DrawLine(x,y1,x,y2,black);
}
myG2D->SetClipRect(sx3 + 1, sy + 1, sx3 + sw, sy + sh);
for (i = 0; i < 100; i++)
{
float x1 = sx3_big + rng.Get () * sw_big;
float y1 = sy_big + rng.Get () * sh_big;
float x2 = sx3_big + rng.Get () * sw_big;
float y2 = sy_big + rng.Get () * sh_big;
myG2D->DrawLine(x1,y1,x2,y2,black);
}
delta_time = csGetTicks () - start_time;
} while (delta_time < 100);
}
void G2DTestSystemDriver::FontClipTest()
{
int w = myG2D->GetWidth ();
int h = myG2D->GetHeight ();
int sx = w/10, sy = h / 2 + 60, sw = sx * 2, sh = h / 6 - 60;
int sx1 = sx * 1, sx2 = sx * 4, sx3 = sx * 7;
myG2D->SetClipRect(0,0,w,h);
myG2D->DrawBox(0,0,w,h, dsteel);
SetFont (fontItalic);
WriteCentered (0,-16*8, white, -1, "FONT CLIP TEST");
SetFont (fontLarge);
WriteCentered (0,-16*7, black, dsteel, "This will test if font clipping is being done properly");
WriteCentered (0,-16*6, black, dsteel, "You should see three thin green rectangles below");
WriteCentered (0,-16*4, black, dsteel, "Again all the black should be contained inside the first");
WriteCentered (0,-16*3, black, dsteel, "green rectangle. The red rectangle should not be visible.");
WriteCentered (0,-16*1, black, dsteel, "The second and third green rectangles shouldn't be crossed as well,");
WriteCentered (0, 16*0, black, dsteel, "the text should only overdraw the red rectangle. Additionally,");
WriteCentered (0, 16*1, black, dsteel, "all the text should look the same (well, except for the parts cut off.)");
SetFont (fontCourier);
const char* testText = "CrystalSpace";
int fW, fH;
font->GetDimensions (testText, fW, fH);
int fX = -fW /2, fY = -fH / 2;
DrawClipRect(sx2, sy, sw, sh);
myG2D->SetClipRect(sx2 + 1, sy + 1, sx2 + sw, sy + sh);
myG2D->Write (font, sx2 + fX, sy + fY, black, -1, testText);
myG2D->Write (font, sx2 + sw / 2 + fX, sy + fY, black, -1, testText);
myG2D->Write (font, sx2 + sw + fX, sy + fY, black, -1, testText);
myG2D->Write (font, sx2 + fX, sy + sh / 2 + fY, black, -1, testText);
myG2D->Write (font, sx2 + sw / 2 + fX, sy + sh / 2 + fY, black, -1, testText);
myG2D->Write (font, sx2 + sw + fX, sy + sh / 2 + fY, black, -1, testText);
myG2D->Write (font, sx2 + fX, sy + sh + fY, black, -1, testText);
myG2D->Write (font, sx2 + sw / 2 + fX, sy + sh + fY, black, -1, testText);
myG2D->Write (font, sx2 + sw + fX, sy + sh + fY, black, -1, testText);
myG2D->SetClipRect(0,0,w,h);
DrawClipRect(sx3, sy, sw, sh);
myG2D->SetClipRect(sx3 + 1, sy + 1, sx3 + sw, sy + sh);
myG2D->Write (font, sx3 + fX, sy + fY, black, blue, testText);
myG2D->Write (font, sx3 + sw / 2 + fX, sy + fY, black, blue, testText);
myG2D->Write (font, sx3 + sw + fX, sy + fY, black, blue, testText);
myG2D->Write (font, sx3 + fX, sy + sh / 2 + fY, black, blue, testText);
myG2D->Write (font, sx3 + sw / 2 + fX, sy + sh / 2 + fY, black, blue, testText);
myG2D->Write (font, sx3 + sw + fX, sy + sh / 2 + fY, black, blue, testText);
myG2D->Write (font, sx3 + fX, sy + sh + fY, black, blue, testText);
myG2D->Write (font, sx3 + sw / 2 + fX, sy + sh + fY, black, blue, testText);
myG2D->Write (font, sx3 + sw + fX, sy + sh + fY, black, blue, testText);
myG2D->SetClipRect(0,0,w,h);
DrawClipRect(sx1, sy, sw, sh);
myG2D->SetClipRect(sx1 + 1, sy + 1, sx1 + sw, sy + sh);
// Test random text drawing
csRandomGen rng (csGetTicks ());
csTicks start_time = csGetTicks (), delta_time;
// widen the range where we try to draw
sx -= fW;
sy -= fH;
sw += fW * 2;
sh += fH * 2;
do
{
int i;
for (i = 0; i < 1000; i++)
{
int x = int(sx + rng.Get () * sw);
int y = int(sy + rng.Get () * sh);
myG2D->Write (font, x, y, black, blue, testText);
}
delta_time = csGetTicks () - start_time;
} while (delta_time < 100);
}
void G2DTestSystemDriver::SetupFrame ()
{
if (state_sptr == 0)
{
EventOutlet->Broadcast (csevQuit (object_reg));
return;
}
appState curstate = state [state_sptr - 1];
switch (curstate)
{
case stInit:
case stStartup:
case stContextInfo:
case stWindowFixed:
case stWindowResize:
case stCustomCursor:
case stCustomIcon:
case stAlphaTest:
case stTestUnicode1:
case stTestUnicode2:
case stTestFreetype:
case stTestLineDraw:
case stTestLinePerf:
case stTestTextDraw:
case stTestTextDraw2:
case stPixelClipTest:
case stLineClipTest:
case stBoxClipTest:
case stFontClipTest:
case stBlitTest:
{
if (!myG3D->BeginDraw (CSDRAW_2DGRAPHICS))
break;
myG2D->Clear (black);
LeaveState ();
switch (curstate)
{
case stInit:
fontLarge = GetFont (CSFONT_LARGE);
fontItalic = GetFont (CSFONT_ITALIC);
fontCourier = GetFont (CSFONT_COURIER);
fontSmall = GetFont (CSFONT_SMALL);
{
csRef<iVFS> vfs = csQueryRegistry<iVFS> (object_reg);
csRef<iImageIO> iio =
csQueryRegistry<iImageIO> (object_reg);
if (vfs.IsValid () && iio.IsValid ())
{
csRef<iFile> testFile = vfs->Open ("/lib/g2dtest/up.png",
VFS_FILE_READ);
if (testFile.IsValid ())
{
csRef<iDataBuffer> fileData = testFile->GetAllData ();
blitTestImage = iio->Load (fileData, CS_IMGFMT_TRUECOLOR
| CS_IMGFMT_ALPHA);
}
testFile = vfs->Open ("/lib/std/cslogo2.png", VFS_FILE_READ);
if (testFile.IsValid ())
{
csRef<iDataBuffer> fileData = testFile->GetAllData ();
alphaBlitImage = iio->Load (fileData, CS_IMGFMT_TRUECOLOR |
CS_IMGFMT_ALPHA);
}
}
}
EnterState (stStartup);
break;
case stStartup:
DrawStartupScreen ();
EnterState (stContextInfo);
EnterState (stPause, 5000);
break;
case stContextInfo:
DrawContextInfoScreen ();
EnterState (stWindowFixed);
EnterState (stWaitKey);
break;
case stWindowFixed:
DrawWindowScreen ();
EnterState (stWindowResize);
EnterState (stWaitKey);
break;
case stWindowResize:
DrawWindowResizeScreen ();
EnterState (stCustomCursor);
EnterState (stWaitKey);
break;
case stCustomCursor:
DrawCustomCursorScreen ();
SetCustomCursor ();
if (lastkey9)
EnterState (stCustomIcon);
else
EnterState (stCustomCursor);
break;
case stCustomIcon:
SetNormalCursor ();
SetCustomIcon ();
DrawCustomIconScreen ();
EnterState (stAlphaTest);
EnterState (stWaitKey);
break;
case stAlphaTest:
DrawAlphaTestScreen ();
EnterState (stTestUnicode1);
EnterState (stWaitKey);
break;
case stTestUnicode1:
DrawUnicodeTest1 ();
EnterState (stTestUnicode2);
EnterState (stWaitKey);
break;
case stTestUnicode2:
DrawUnicodeTest2 ();
EnterState (stTestFreetype);
EnterState (stWaitKey);
break;
case stTestFreetype:
DrawFreetypeTest ();
EnterState (stTestLineDraw);
EnterState (stWaitKey);
break;
case stTestLineDraw:
DrawLineTest ();
EnterState (stTestLinePerf);
EnterState (stWaitKey);
break;
case stTestLinePerf:
DrawLinePerf ();
if (lastkey2)
EnterState (stTestTextDraw);
else
EnterState (stTestLinePerf);
break;
case stTestTextDraw:
DrawTextTest ();
if (lastkey3)
EnterState (stTestTextDraw2);
else
EnterState (stTestTextDraw);
break;
case stTestTextDraw2:
DrawTextTest2 ();
if (lastkey4)
EnterState (stPixelClipTest);
else
EnterState (stTestTextDraw2);
break;
case stPixelClipTest:
PixelClipTest ();
if (lastkey5)
{
myG2D->SetClipRect(0,0,myG2D->GetWidth(), myG2D->GetHeight());
EnterState (stLineClipTest);
}
else
EnterState (stPixelClipTest);
break;
case stLineClipTest:
LineClipTest ();
if (lastkey6)
{
myG2D->SetClipRect(0,0,myG2D->GetWidth(), myG2D->GetHeight());
EnterState (stBoxClipTest);
}
else
EnterState (stLineClipTest);
break;
case stBoxClipTest:
BoxClipTest ();
if (lastkey7)
{
myG2D->SetClipRect(0,0,myG2D->GetWidth(), myG2D->GetHeight());
EnterState (stFontClipTest);
}
else
EnterState (stBoxClipTest);
break;
case stFontClipTest:
FontClipTest ();
if (lastkey8)
EnterState (stBlitTest);
else
EnterState (stFontClipTest);
break;
case stBlitTest:
BlitTest ();
EnterState (stWaitKey);
break;
default:
break;
}
break;
}
case stPause:
if (int (csGetTicks () - timer) > 0)
LeaveState ();
else
csSleep (1);
break;
case stWaitKey:
if (lastkey)
{
LeaveState ();
SwitchBB = false;
}
else
{
if (SwitchBB)
{
myG2D->Print (0);
csSleep (200);
}
else
csSleep (1);
}
break;
}
}
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;
}
