public static int stbi_write_hdr_core(stbi__write_context s, int x, int y, int comp, float *data)
{
if ((y <= 0) || (x <= 0) || (data == null))
{
return(0);
}
var scratch = (byte *)(CRuntime.malloc((ulong)(x * 4)));
int i;
var header = "#?RADIANCE\n# Written by stb_image_write.h\nFORMAT=32-bit_rle_rgbe\n";
var bytes = Encoding.UTF8.GetBytes(header);
fixed(byte *ptr = bytes)
{
s.func(s.context, ((sbyte *)ptr), bytes.Length);
}
var str = string.Format("EXPOSURE= 1.0000000000000\n\n-Y {0} +X {1}\n", y, x);
bytes = Encoding.UTF8.GetBytes(str);
fixed(byte *ptr = bytes)
{
s.func(s.context, ((sbyte *)ptr), bytes.Length);
}
for (i = 0; i < y; i++)
{
stbiw__write_hdr_scanline(s, x, comp, scratch, data + comp * i * x);
}
CRuntime.free(scratch);
return(1);
}
public int AllocFont()
{
Font font = null;
if (_fontsNumber + 1 > _fonts.Length)
{
_fonts = new Font[_fonts.Length];
if (_fonts == null)
{
return(-1);
}
}
font = new Font();
if (font == null)
{
goto error;
}
font.Glyphs = (FontGlyph *)CRuntime.malloc((ulong)(sizeof(FontGlyph) * 256));
if (font.Glyphs == null)
{
goto error;
}
font.GlyphsCount = 256;
font.GlyphsNumber = 0;
_fonts[_fontsNumber++] = font;
return(_fontsNumber - 1);
error:
;
FreeFont(font);
return(-1);
}
public FontAtlas(int w, int h, int count)
{
Width = w;
Height = h;
Nodes = (FontAtlasNode *)CRuntime.malloc((ulong)(sizeof(FontAtlasNode) * count));
CRuntime.memset(Nodes, 0, (ulong)(sizeof(FontAtlasNode) * count));
count = 0;
NodesCount = count;
Nodes[0].X = 0;
Nodes[0].Y = 0;
Nodes[0].Width = (short)w;
NodesNumber++;
}
public FontSystem(FontSystemParams p)
{
_params_ = p;
_scratch = (byte *)CRuntime.malloc((ulong)96000);
atlas = new FontAtlas(_params_.Width, _params_.Height, 256);
_fonts = new Font[4];
_fontsNumber = 0;
_itw = 1.0f / _params_.Width;
_ith = 1.0f / _params_.Height;
_texData = new byte[_params_.Width * _params_.Height];
Array.Clear(_texData, 0, _texData.Length);
_dirtyRect[0] = _params_.Width;
_dirtyRect[1] = _params_.Height;
_dirtyRect[2] = 0;
_dirtyRect[3] = 0;
AddWhiteRect(2, 2);
PushState();
ClearState();
}
private static void *stbi__malloc(int size)
{
return(CRuntime.malloc((ulong)size));
}
