public void GlyphMetrics()
{
this.Quit();
this.Init();
IntPtr fontPtr = SdlTtf.TTF_OpenFont("../../FreeSans.ttf", 12);
int minx;
int miny;
int maxx;
int maxy;
int advance;
SdlTtf.TTF_GlyphMetrics(fontPtr, 1, out minx, out maxx, out miny, out maxy, out advance);
Assert.AreEqual(-1, minx);
Assert.AreEqual(4, maxx);
Assert.AreEqual(0, miny);
Assert.AreEqual(8, maxy);
Assert.AreEqual(5, advance);
// Console.WriteLine("minx: " + minx.ToString());
// Console.WriteLine("maxx: " + maxx.ToString());
// Console.WriteLine("miny: " + miny.ToString());
// Console.WriteLine("maxy: " + maxy.ToString());
// Console.WriteLine("advance: " + advance.ToString());
this.Quit();
}
private SDLGlyph CreateGlyph(char Char)
{
Sdl.SDL_Surface initial;
Sdl.SDL_Surface intermediary;
//Sdl.SDL_Rect rect;
int w, h;
int[] texture = new int[1];
Sdl.SDL_Color color = new Sdl.SDL_Color(255, 255, 255, 255);
/* Use SDL_TTF to render our text */
//IntPtr Test = SdlTtf.TTF_RenderGlyph_Shaded(m_Font, (short)Char, color, new Sdl.SDL_Color(0, 0, 0, 0));
IntPtr Test = SdlTtf.TTF_RenderGlyph_Blended(m_Font, (short)Char, color);
//initial = test;
initial = (Sdl.SDL_Surface)System.Runtime.InteropServices.Marshal.PtrToStructure(Test, typeof(Sdl.SDL_Surface));
/* Convert the rendered text to a known format */
w = nextpoweroftwo(initial.w);
h = nextpoweroftwo(initial.h);
IntPtr Temp = Sdl.SDL_CreateRGBSurface(Sdl.SDL_SRCALPHA, w, h, 32,
0, 0, 0, 0);
intermediary = (Sdl.SDL_Surface)System.Runtime.InteropServices.Marshal.PtrToStructure(Temp, typeof(Sdl.SDL_Surface));
Sdl.SDL_SetAlpha(Temp, Sdl.SDL_SRCALPHA, 255);
//Sdl.SDL_PixelFormat;
Sdl.SDL_BlitSurface(Test, ref initial.clip_rect, Temp, ref intermediary.clip_rect);
/* Tell GL about our new texture */
Gl.glGenTextures(1, texture);
Gl.glBindTexture(Gl.GL_TEXTURE_2D, texture[0]);
if (!MipMap)
{
Gl.glTexImage2D(Gl.GL_TEXTURE_2D, 0, 4, w, h, 0, Gl.GL_BGRA,
Gl.GL_UNSIGNED_BYTE, intermediary.pixels);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_LINEAR);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAG_FILTER, Gl.GL_LINEAR);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_ENV, Gl.GL_MODULATE);
}
else
{
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAG_FILTER, Gl.GL_LINEAR);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_LINEAR_MIPMAP_NEAREST);
Glu.gluBuild2DMipmaps(Gl.GL_TEXTURE_2D, Gl.GL_RGB8, w, h, Gl.GL_ABGR_EXT, Gl.GL_UNSIGNED_BYTE, intermediary.pixels);
}
/*int[] ExtraTex = new int[1];
* Gl.glGenTextures(1, ExtraTex);
* Gl.glBindTexture(Gl.GL_TEXTURE_2D, ExtraTex[0]);
*
* Gl.glTexImage2D(Gl.GL_TEXTURE_2D, 0, 4, w, h, 0, Gl.GL_ABGR_EXT,
* Gl.GL_UNSIGNED_BYTE, intermediary.pixels);
*
* Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_LINEAR);
* Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAG_FILTER, Gl.GL_LINEAR);
* Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_ENV, Gl.GL_MODULATE);//
*
*
* /* Clean up */
Sdl.SDL_FreeSurface(Temp);
Sdl.SDL_FreeSurface(Test);
//Gl.glDeleteTextures(1, texture);
SDLMetrics Metrics = new SDLMetrics();
SdlTtf.TTF_GlyphMetrics(m_Font, (short)Char, out Metrics.MinX, out Metrics.MaxX, out Metrics.MinY, out Metrics.MaxY, out Metrics.Advance);
SDLGlyph ReturnGlyph = new SDLGlyph(Metrics, texture[0], w, h, Char);
BuildList(ReturnGlyph);
//ReturnGlyph.extraGLTex = ExtraTex[0];
return(ReturnGlyph);
}