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::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::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::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::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"); }
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::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::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::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); }