/// <summary>
/// Setup OpenGL and load resources here.
/// </summary>
/// <param name="e">Not used.</param>
protected override void OnLoad(EventArgs e)
{
this.Title = "OpenTK-FontStash";
GL.ClearColor(Color.MidnightBlue);
fontNormal = FontStash.FONS_INVALID;
fs = GlFontStash.glfonsCreate(512, 512, FONSflags.FONS_ZERO_TOPLEFT);
fontNormal = FontStash.fonsAddFont(fs, "sans", "DroidSerif-Regular.ttf");
if (fontNormal == FontStash.FONS_INVALID)
{
throw new Exception("Could not add font normal.\n");
}
fontItalic = FontStash.fonsAddFont(fs, "sans-italic", "DroidSerif-Italic.ttf");
if (fontItalic == FontStash.FONS_INVALID)
{
throw new Exception("Could not add font italic.\n");
}
fontBold = FontStash.fonsAddFont(fs, "sans-bold", "DroidSerif-Bold.ttf");
if (fontBold == FontStash.FONS_INVALID)
{
throw new Exception("Could not add font bold.\n");
}
fontJapanese = FontStash.fonsAddFont(fs, "sans-jp", "DroidSansJapanese.ttf");
if (fontJapanese == FontStash.FONS_INVALID)
{
throw new Exception("Could not add font japanese.\n");
}
}
public static void Main(string[] args)
{
try
{
if (Glfw.Init() == false)
{
Console.Error.WriteLine("Failed to initialize GLFW!");
Environment.Exit(1);
}
try
{
Glfw.SetErrorCallback((code, des) =>
{
Console.Error.WriteLine("ERROR ({0}): {1}", code, des);
});
// Create GLFW window
GlfwWindowPtr window = Glfw.CreateWindow(width, height, "FontStash.net-Pencil.Gaming.GLFW3", GlfwMonitorPtr.Null, GlfwWindowPtr.Null);
if (window.Equals(GlfwWindowPtr.Null))
{ // Does this line actually work???
Console.Error.WriteLine("ERROR: Failed to create GLFW window, shutting down");
Environment.Exit(1);
}
Glfw.SetKeyCallback(window, key);
// Enable the OpenGL context for the current window
Glfw.MakeContextCurrent(window);
//Glfw.SetWindowTitle(window, "This is a GLFW window!");
Glfw.SwapInterval(1);
Glfw.WindowHint(WindowHint.Samples, 2); // Turns on 2× mutlisampling
fontNormal = FontStash.FONS_INVALID;
fs = GlFontStash.glfonsCreate(512, 512, FONSflags.FONS_ZERO_TOPLEFT);
fontNormal = FontStash.fonsAddFont(fs, "sans", "DroidSerif-Regular.ttf");
if (fontNormal == FontStash.FONS_INVALID)
{
throw new Exception("Could not add font normal.\n");
}
fontItalic = FontStash.fonsAddFont(fs, "sans-italic", "DroidSerif-Italic.ttf");
if (fontItalic == FontStash.FONS_INVALID)
{
throw new Exception("Could not add font italic.\n");
}
fontBold = FontStash.fonsAddFont(fs, "sans-bold", "DroidSerif-Bold.ttf");
if (fontBold == FontStash.FONS_INVALID)
{
throw new Exception("Could not add font bold.\n");
}
fontJapanese = FontStash.fonsAddFont(fs, "sans-jp", "DroidSansJapanese.ttf");
if (fontJapanese == FontStash.FONS_INVALID)
{
throw new Exception("Could not add font japanese.\n");
}
Glfw.PollEvents(); // Get events
while (!Glfw.WindowShouldClose(window))
{
// Poll GLFW window events
Glfw.PollEvents();
float sx, sy, dx, dy, lh = 0, pf1 = 0, pf2 = 0;
uint white, black, brown, blue;
Glfw.GetWindowSize(window, out width, out height);
// Update and render
GL.Viewport(0, 0, width, height);
GL.ClearColor(0.3f, 0.3f, 0.32f, 1.0f);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Disable(EnableCap.Texture2D);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(0, width, height, 0, -1, 1);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
GL.Disable(EnableCap.DepthTest);
GL.Color4(255f, 255f, 255f, 255f);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Enable(EnableCap.CullFace);
white = GlFontStash.glfonsRGBA(255, 255, 255, 255);
brown = GlFontStash.glfonsRGBA(192, 128, 0, 128);
blue = GlFontStash.glfonsRGBA(0, 192, 255, 255);
black = GlFontStash.glfonsRGBA(0, 0, 0, 255);
sx = 50;
sy = 50;
dx = sx;
dy = sy;
dash(dx, dy);
FontStash.fonsClearState(ref fs);
FontStash.fonsSetSize(ref fs, 124.0f);
FontStash.fonsSetFont(ref fs, fontNormal);
pf1 = 0;
pf2 = 0;
FontStash.fonsVertMetrics(ref fs, ref pf1, ref pf2, ref lh);
dx = sx;
dy += lh;
dash(dx, dy);
FontStash.fonsSetSize(ref fs, 124.0f);
FontStash.fonsSetFont(ref fs, fontNormal);
FontStash.fonsSetColor(ref fs, white);
dx = FontStash.fonsDrawText(ref fs, dx, dy, "The quick ");
FontStash.fonsSetSize(ref fs, 48.0f);
FontStash.fonsSetFont(ref fs, fontItalic);
FontStash.fonsSetColor(ref fs, brown);
dx = FontStash.fonsDrawText(ref fs, dx, dy, "brown ");
FontStash.fonsSetSize(ref fs, 24.0f);
FontStash.fonsSetFont(ref fs, fontNormal);
FontStash.fonsSetColor(ref fs, white);
dx = FontStash.fonsDrawText(ref fs, dx, dy, "fox ");
FontStash.fonsVertMetrics(ref fs, ref pf1, ref pf2, ref lh);
dx = sx;
dy += lh * 1.2f;
dash(dx, dy);
FontStash.fonsSetFont(ref fs, fontItalic);
dx = FontStash.fonsDrawText(ref fs, dx, dy, "jumps over ");
FontStash.fonsSetFont(ref fs, fontBold);
dx = FontStash.fonsDrawText(ref fs, dx, dy, "the lazy ");
FontStash.fonsSetFont(ref fs, fontNormal);
dx = FontStash.fonsDrawText(ref fs, dx, dy, "dog.");
dx = sx;
dy += lh * 1.2f;
dash(dx, dy);
FontStash.fonsSetSize(ref fs, 12.0f);
FontStash.fonsSetFont(ref fs, fontNormal);
FontStash.fonsSetColor(ref fs, blue);
FontStash.fonsDrawText(ref fs, dx, dy, "Now is the time for all good men to come to the aid of the party.");
FontStash.fonsVertMetrics(ref fs, ref pf1, ref pf2, ref lh);
dx = sx;
dy += lh * 1.2f * 2;
dash(dx, dy);
FontStash.fonsSetSize(ref fs, 18.0f);
FontStash.fonsSetFont(ref fs, fontItalic);
FontStash.fonsSetColor(ref fs, white);
FontStash.fonsDrawText(ref fs, dx, dy, "Ég get etið gler án þess að meiða mig.");
FontStash.fonsVertMetrics(ref fs, ref pf1, ref pf2, ref lh);
dx = sx;
dy += lh * 1.2f;
dash(dx, dy);
FontStash.fonsSetFont(ref fs, fontJapanese);
FontStash.fonsDrawText(ref fs, dx, dy, "私はガラスを食べられます。それは私を傷つけません。");
// Font alignment
FontStash.fonsSetSize(ref fs, 18.0f);
FontStash.fonsSetFont(ref fs, fontNormal);
FontStash.fonsSetColor(ref fs, white);
dx = 50;
dy = 350;
line(dx - 10, dy, dx + 250, dy);
FontStash.fonsSetAlign(fs, FONSalign.FONS_ALIGN_LEFT | FONSalign.FONS_ALIGN_TOP);
dx = FontStash.fonsDrawText(ref fs, dx, dy, "Top");
dx += 10;
FontStash.fonsSetAlign(fs, FONSalign.FONS_ALIGN_LEFT | FONSalign.FONS_ALIGN_MIDDLE);
dx = FontStash.fonsDrawText(ref fs, dx, dy, "Middle");
dx += 10;
FontStash.fonsSetAlign(fs, FONSalign.FONS_ALIGN_LEFT | FONSalign.FONS_ALIGN_BASELINE);
dx = FontStash.fonsDrawText(ref fs, dx, dy, "Baseline");
dx += 10;
FontStash.fonsSetAlign(fs, FONSalign.FONS_ALIGN_LEFT | FONSalign.FONS_ALIGN_BOTTOM);
FontStash.fonsDrawText(ref fs, dx, dy, "Bottom");
dx = 150;
dy = 400;
line(dx, dy - 30, dx, dy + 80.0f);
FontStash.fonsSetAlign(fs, FONSalign.FONS_ALIGN_LEFT | FONSalign.FONS_ALIGN_BASELINE);
FontStash.fonsDrawText(ref fs, dx, dy, "Left");
dy += 30;
FontStash.fonsSetAlign(fs, FONSalign.FONS_ALIGN_CENTER | FONSalign.FONS_ALIGN_BASELINE);
FontStash.fonsDrawText(ref fs, dx, dy, "Center");
dy += 30;
FontStash.fonsSetAlign(fs, FONSalign.FONS_ALIGN_RIGHT | FONSalign.FONS_ALIGN_BASELINE);
FontStash.fonsDrawText(ref fs, dx, dy, "Right");
// Blur
dx = 500;
dy = 350;
FontStash.fonsSetAlign(fs, FONSalign.FONS_ALIGN_LEFT | FONSalign.FONS_ALIGN_BASELINE);
FontStash.fonsSetSize(ref fs, 60.0f);
FontStash.fonsSetFont(ref fs, fontItalic);
FontStash.fonsSetColor(ref fs, white);
FontStash.fonsSetSpacing(ref fs, 5.0f);
FontStash.fonsSetBlur(ref fs, 10.0f);
FontStash.fonsDrawText(ref fs, dx, dy, "Blurry...");
dy += 50.0f;
FontStash.fonsSetSize(ref fs, 18.0f);
FontStash.fonsSetFont(ref fs, fontBold);
FontStash.fonsSetColor(ref fs, black);
FontStash.fonsSetSpacing(ref fs, 0.0f);
FontStash.fonsSetBlur(ref fs, 3.0f);
FontStash.fonsDrawText(ref fs, dx, dy + 2, "DROP THAT SHADOW");
FontStash.fonsSetColor(ref fs, white);
FontStash.fonsSetBlur(ref fs, 0);
FontStash.fonsDrawText(ref fs, dx, dy, "DROP THAT SHADOW");
if (debug)
{
FontStash.fonsDrawDebug(fs, 800.0f, 50.0f);
}
GL.Enable(EnableCap.DepthTest);
Glfw.SwapBuffers(window);
}
}
finally
{
GlFontStash.glfonsDelete(fs);
}
}
finally
{
Glfw.Terminate();
}
}