/// <summary>
/// Packs a rect. Returns null, if there's no more place left.
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="userData"></param>
/// <returns></returns>
public PackerRectangle PackRect(int width, int height, object userData)
{
var rect = new stbrp_rect
{
id = _rectangles.Count,
w = width,
h = height
};
int result;
fixed(stbrp_context *contextPtr = &_context)
{
result = stbrp_pack_rects(contextPtr, &rect, 1);
}
if (result == 0)
{
return(null);
}
var packRectangle = new PackerRectangle(new Rectangle(rect.x, rect.y, rect.w, rect.h), userData);
_rectangles.Add(packRectangle);
return(packRectangle);
}
/// <summary>
/// Packs a rect. Returns null, if there's no more place left.
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public bool PackRect(int width, int height, out Rectangle packRectangle, int offset = 2)
{
var rect = new stbrp_rect
{
id = PackeRectanglesCount,
w = width + offset,
h = height + offset
};
int result;
fixed(stbrp_context *contextPtr = &_context)
{
result = stbrp_pack_rects(contextPtr, &rect, 1);
}
if (result == 0)
{
packRectangle = Rectangle.Empty;
return(false);
}
packRectangle = new Rectangle
(
rect.x + (int)(offset / 2f),
rect.y + (int)(offset / 2f),
rect.w - offset,
rect.h - offset
);
++PackeRectanglesCount;
return(true);
}
public int stbtt_PackFontRanges(byte[] fontdata, int font_index,
FakePtr <stbtt_pack_range> ranges, int num_ranges)
{
var info = new FontInfo();
var i = 0;
var j = 0;
var n = 0;
var return_value = 1;
stbrp_rect[] rects;
for (i = 0; i < num_ranges; ++i)
{
for (j = 0; j < ranges[i].num_chars; ++j)
{
ranges[i].chardata_for_range[j].x0 = ranges[i].chardata_for_range[j].y0 =
ranges[i].chardata_for_range[j].x1 = ranges[i].chardata_for_range[j].y1 = 0;
}
}
n = 0;
for (i = 0; i < num_ranges; ++i)
{
n += ranges[i].num_chars;
}
rects = new stbrp_rect[n];
for (i = 0; i < rects.Length; ++i)
{
rects[i] = new stbrp_rect();
}
if (rects == null)
{
return(0);
}
info.stbtt_InitFont(fontdata, Common.stbtt_GetFontOffsetForIndex(fontdata, font_index));
n = stbtt_PackFontRangesGatherRects(info, ranges, num_ranges, rects);
stbtt_PackFontRangesPackRects(rects, n);
return_value = stbtt_PackFontRangesRenderIntoRects(info, ranges, num_ranges, rects);
return(return_value);
}
