package vendor:stb/truetype

Source

PLATFORM_ID :: enum i32 {
	// platformID
	PLATFORM_ID_UNICODE   = 0, 
	PLATFORM_ID_MAC       = 1, 
	PLATFORM_ID_ISO       = 2, 
	PLATFORM_ID_MICROSOFT = 3, 
}

aligned_quad :: struct {
	x0: f32,
	y0: f32,
	s0: f32,
	t0: f32,
	x1: f32,
	y1: f32,
	s1: f32,
	t1: f32,
}

bakedchar :: struct {
	x0:       u16,
	y0:       u16,
	x1:       u16,
	y1:       u16,
	// coordinates of bbox in bitmap
	xoff:     f32,
	yoff:     f32,
	xadvance: f32,
}

fontinfo :: struct {
	userdata:         rawptr,
	data:             [^]u8,
	fontstart:        i32,
	numGlyphs:        i32,
	loca:             i32,
	head:             i32,
	glyf:             i32,
	hhea:             i32,
	hmtx:             i32,
	kern:             i32,
	gpos:             i32,
	svg:              i32,
	index_map:        i32,
	indexToLocFormat: i32,
	cff:              _buf,
	charstrings:      _buf,
	gsubrs:           _buf,
	subrs:            _buf,
	fontdicts:        _buf,
	fdselect:         _buf,
}

kerningentry :: struct {
	glyph1:  rune,
	// use FindGlyphIndex
	glyph2:  rune,
	advance: i32,
}

pack_context :: struct {
	user_allocator_context: rawptr,
	pack_info:              rawptr,
	width:                  i32,
	height:                 i32,
	stride_in_bytes:        i32,
	padding:                i32,
	skip_missing:           b32,
	h_oversample:           u32,
	v_oversample:           u32,
	pixels:                 [^]u8,
	nodes:                  rawptr,
}

pack_range :: struct {
	font_size:                        f32,
	first_unicode_codepoint_in_range: i32,
	array_of_unicode_codepoints:      [^]rune,
	num_chars:                        i32,
	chardata_for_range:               [^]packedchar,
	_:                                u8,
	_:                                u8,
}

packedchar :: struct {
	x0:       u16,
	y0:       u16,
	x1:       u16,
	y1:       u16,
	xoff:     f32,
	yoff:     f32,
	xadvance: f32,
	xoff2:    f32,
	yoff2:    f32,
}

vertex :: struct {
	x:       vertex_type,
	y:       vertex_type,
	cx:      vertex_type,
	cy:      vertex_type,
	cx1:     vertex_type,
	cy1:     vertex_type,
	type:    u8,
	padding: u8,
}

vertex_type :: distinct i16

vmove :: enum i32 {
	none, 
	vmove  = 1, 
	vline, 
	vcurve, 
	vcubic, 
}

MACSTYLE_BOLD :: 1

MACSTYLE_DONTCARE :: 0

MACSTYLE_ITALIC :: 2

MACSTYLE_NONE :: 8

MACSTYLE_UNDERSCORE :: 4

MAC_EID_ARABIC :: 4

MAC_EID_CHINESE_TRAD :: 2

MAC_EID_GREEK :: 6

MAC_EID_HEBREW :: 5

MAC_EID_JAPANESE :: 1

MAC_EID_KOREAN :: 3

MAC_EID_ROMAN :: 0

MAC_EID_RUSSIAN :: 7

MAC_LANG_ARABIC :: 12

MAC_LANG_CHINESE_SIMPLIFIED :: 33

MAC_LANG_CHINESE_TRAD :: 19

MAC_LANG_DUTCH :: 4

MAC_LANG_ENGLISH :: 0

MAC_LANG_FRENCH :: 1

MAC_LANG_GERMAN :: 2

MAC_LANG_HEBREW :: 10

MAC_LANG_ITALIAN :: 3

MAC_LANG_JAPANESE :: 11

MAC_LANG_KOREAN :: 23

MAC_LANG_RUSSIAN :: 32

MAC_LANG_SPANISH :: 6

MAC_LANG_SWEDISH :: 5

MS_EID_SHIFTJIS :: 2

MS_EID_SYMBOL :: 0

MS_EID_UNICODE_BMP :: 1

MS_EID_UNICODE_FULL :: 10

MS_LANG_CHINESE :: 0x0804

MS_LANG_DUTCH :: 0x0413

MS_LANG_ENGLISH :: 0x0409

MS_LANG_FRENCH :: 0x040c

MS_LANG_GERMAN :: 0x0407

MS_LANG_HEBREW :: 0x040d

MS_LANG_ITALIAN :: 0x0410

MS_LANG_JAPANESE :: 0x0411

MS_LANG_KOREAN :: 0x0412

MS_LANG_RUSSIAN :: 0x0419

MS_LANG_SPANISH :: 0x0409

MS_LANG_SWEDISH :: 0x041D

UNICODE_EID_ISO_10646 :: 2

UNICODE_EID_UNICODE_1_0 :: 0

UNICODE_EID_UNICODE_1_1 :: 1

UNICODE_EID_UNICODE_2_0_BMP :: 3

UNICODE_EID_UNICODE_2_0_FULL :: 4

BakeFontBitmap :: proc "c" (
	data:                  [^]u8, 
	offset:                i32, 
	pixel_height:          f32, 
	pixels:                [^]u8, 
	pw, ph:                i32, 
	first_char, num_chars: i32, 
	chardata:              [^]bakedchar, 
) -> i32 ---

CompareUTF8toUTF16_bigendian :: proc "c" (
	s1:   cstring, 
	len1: i32, 
	s2:   cstring, 
	len2: i32, 
) -> i32 ---

FindGlyphIndex :: proc "c" (info: ^fontinfo, unicode_codepoint: rune) -> i32 ---

FindMatchingFont :: proc "c" (fontdata: [^]u8, name: cstring, flags: i32) -> i32 ---

FindSVGDoc :: proc "c" (info: ^fontinfo, gl: b32) -> [^]u8 ---

FreeBitmap :: proc "c" (bitmap: [^]u8, userdata: rawptr) ---

FreeSDF :: proc "c" (bitmap: [^]u8, userdata: rawptr) ---

FreeShape :: proc "c" (info: ^fontinfo, vertices: [^]vertex) ---

GetBakedQuad :: proc "c" (
	chardata:        ^bakedchar, 
	pw, ph:          i32, 
	char_index:      i32, 
	xpos, ypos:      ^f32, 
	q:               ^aligned_quad, 
	opengl_fillrule: b32, 
) ---

GetCodepointBitmap :: proc "c" (
	info:                ^fontinfo, 
	scale_x, scale_y:    f32, 
	codepoint:           rune, 
	width, height, xoff, 
	yoff:                ^i32, 
) -> [^]u8 ---

GetCodepointBitmapBox :: proc "c" (
	font:             ^fontinfo, 
	codepoint:        rune, 
	scale_x, scale_y: f32, 
	ix0, iy0, ix1, 
	iy1:              ^i32, 
) ---

GetCodepointBitmapBoxSubpixel :: proc "c" (
	font:                               ^fontinfo, 
	codepoint:                          rune, 
	scale_x, scale_y, shift_x, shift_y: f32, 
	ix0, iy0, ix1, 
	iy1:                                ^i32, 
) ---

GetCodepointBitmapSubpixel :: proc "c" (
	info:                               ^fontinfo, 
	scale_x, scale_y, shift_x, shift_y: f32, 
	codepoint:                          rune, 
	width, height, xoff, 
	yoff:                               ^i32, 
) -> [^]u8 ---

GetCodepointBox :: proc "c" (
	info:       ^fontinfo, 
	codepoint:  rune, 
	x0, y0, x1, 
	y1:         ^i32, 
) -> i32 ---

GetCodepointHMetrics :: proc "c" (
	info:            ^fontinfo, 
	codepoint:       rune, 
	advanceWidth, 
	leftSideBearing: ^i32, 
) ---

GetCodepointKernAdvance :: proc "c" (info: ^fontinfo, ch1, ch2: rune) -> (advance: i32) ---

GetCodepointSDF :: proc "c" (
	info:                ^fontinfo, 
	scale:               f32, 
	codepoint, padding:  i32, 
	onedge_value:        u8, 
	pixel_dist_scale:    f32, 
	width, height, xoff, 
	yoff:                ^i32, 
) -> [^]u8 ---

GetCodepointSVG :: proc "c" (info: ^fontinfo, unicode_codepoint: rune, svg: ^cstring) -> i32 ---

GetCodepointShape :: proc "c" (
	info:              ^fontinfo, 
	unicode_codepoint: rune, 
	vertices:          ^[^]vertex, 
) -> i32 ---

GetFontBoundingBox :: proc "c" (info: ^fontinfo, x0, y0, x1, y1: ^i32) ---

GetFontNameString :: proc "c" (
	font:                   ^fontinfo, 
	length:                 ^i32, 
	platformID:             PLATFORM_ID, 
	encodingID, languageID, 
	nameID:                 i32, 
) -> cstring ---

GetFontOffsetForIndex :: proc "c" (data: [^]u8, index: i32) -> i32 ---

GetFontVMetrics :: proc "c" (info: ^fontinfo, ascent, descent, lineGap: ^i32) ---

GetFontVMetricsOS2 :: proc "c" (
	info:                    ^fontinfo, 
	typoAscent, typoDescent, 
	typoLineGap:             ^i32, 
) -> b32 ---

GetGlyphBitmap :: proc "c" (
	info:                ^fontinfo, 
	scale_x, scale_y:    f32, 
	glyph:               i32, 
	width, height, xoff, 
	yoff:                ^i32, 
) -> [^]u8 ---

GetGlyphBitmapBox :: proc "c" (
	font:             ^fontinfo, 
	glyph:            i32, 
	scale_x, scale_y: f32, 
	ix0, iy0, ix1, 
	iy1:              ^i32, 
) ---

GetGlyphBitmapBoxSubpixel :: proc "c" (
	font:                               ^fontinfo, 
	glyph:                              i32, 
	scale_x, scale_y, shift_x, shift_y: f32, 
	ix0, iy0, ix1, 
	iy1:                                ^i32, 
) ---

GetGlyphBitmapSubpixel :: proc "c" (
	info:                               ^fontinfo, 
	scale_x, scale_y, shift_x, shift_y: f32, 
	glyph:                              i32, 
	width, height, xoff, 
	yoff:                               ^i32, 
) -> [^]u8 ---

GetGlyphBox :: proc "c" (
	info:        ^fontinfo, 
	glyph_index: i32, 
	x0, y0, x1, 
	y1:          ^i32, 
) -> i32 ---

GetGlyphHMetrics :: proc "c" (
	info:            ^fontinfo, 
	glyph_index:     i32, 
	advanceWidth, 
	leftSideBearing: ^i32, 
) ---

GetGlyphKernAdvance :: proc "c" (info: ^fontinfo, glyph1, glyph2: i32) -> i32 ---

GetGlyphSDF :: proc "c" (
	info:                ^fontinfo, 
	scale:               f32, 
	glyph, padding:      i32, 
	onedge_value:        u8, 
	pixel_dist_scale:    f32, 
	width, height, xoff, 
	yoff:                ^i32, 
) -> [^]u8 ---

GetGlyphSVG :: proc "c" (info: ^fontinfo, gl: b32, svg: ^cstring) -> i32 ---

GetGlyphShape :: proc "c" (info: ^fontinfo, glyph_index: i32, vertices: ^[^]vertex) -> i32 ---

GetKerningTable :: proc "c" (
	info:         ^fontinfo, 
	table:        [^]kerningentry, 
	table_length: i32, 
) -> i32 ---

GetKerningTableLength :: proc "c" (info: ^fontinfo) -> i32 ---

GetNumberOfFonts :: proc "c" (data: [^]u8) -> i32 ---

GetPackedQuad :: proc "c" (
	chardata:         ^packedchar, 
	pw, ph:           i32, 
	char_index:       i32, 
	xpos, ypos:       ^f32, 
	q:                ^aligned_quad, 
	align_to_integer: b32, 
) ---

GetScaledFontVMetrics :: proc "c" (
	fontdata:        [^]u8, 
	index:           i32, 
	size:            f32, 
	ascent, descent, 
	lineGap:         ^f32, 
) ---

InitFont :: proc "c" (info: ^fontinfo, data: [^]u8, offset: i32) -> b32 ---

IsGlyphEmpty :: proc "c" (info: ^fontinfo, glyph_index: i32) -> b32 ---

MakeCodepointBitmap :: proc "c" (
	info:                     ^fontinfo, 
	output:                   [^]u8, 
	out_w, out_h, out_stride: i32, 
	scale_x, scale_y:         f32, 
	codepoint:                rune, 
) ---

MakeCodepointBitmapSubpixel :: proc "c" (
	info:                               ^fontinfo, 
	output:                             [^]u8, 
	out_w, out_h, out_stride:           i32, 
	scale_x, scale_y, shift_x, shift_y: f32, 
	codepoint:                          rune, 
) ---

MakeCodepointBitmapSubpixelPrefilter :: proc "c" (
	info:                               ^fontinfo, 
	output:                             [^]u8, 
	out_w, out_h, out_stride:           i32, 
	scale_x, scale_y, shift_x, shift_y: f32, 
	oversample_x, oversample_y:         b32, 
	sub_x, sub_y:                       ^f32, 
	codepoint:                          rune, 
) ---

MakeGlyphBitmap :: proc "c" (
	info:                     ^fontinfo, 
	output:                   [^]u8, 
	out_w, out_h, out_stride: i32, 
	scale_x, scale_y:         f32, 
	glyph:                    i32, 
) ---

MakeGlyphBitmapSubpixel :: proc "c" (
	info:                               ^fontinfo, 
	output:                             [^]u8, 
	out_w, out_h, out_stride:           i32, 
	scale_x, scale_y, shift_x, shift_y: f32, 
	glyph:                              i32, 
) ---

MakeGlyphBitmapSubpixelPrefilter :: proc "c" (
	info:                               ^fontinfo, 
	output:                             [^]u8, 
	out_w, out_h, out_stride:           i32, 
	scale_x, scale_y, shift_x, shift_y: f32, 
	oversample_x, oversample_y:         i32, 
	sub_x, sub_y:                       ^f32, 
	glyph:                              i32, 
) ---

POINT_SIZE :: proc(x: $T) -> T {…}

PackBegin :: proc "c" (
	spc:                                     ^pack_context, 
	pixels:                                  [^]u8, 
	width, height, stride_in_bytes, padding: i32, 
	alloc_context:                           rawptr, 
) -> b32 ---

PackEnd :: proc "c" (spc: ^pack_context) ---

PackFontRange :: proc "c" (
	spc:                                             ^pack_context, 
	fontdata:                                        [^]u8, 
	font_index:                                      i32, 
	font_size:                                       f32, 
	first_unicode_char_in_range, num_chars_in_range: i32, 
	chardata_for_range:                              [^]packedchar, 
) -> b32 ---

PackFontRanges :: proc "c" (
	spc:        ^pack_context, 
	fontdata:   [^]u8, 
	font_index: i32, 
	ranges:     [^]pack_range, 
	num_ranges: i32, 
) -> b32 ---

PackFontRangesGatherRects :: proc "c" (
	spc:        ^pack_context, 
	info:       ^fontinfo, 
	ranges:     [^]pack_range, 
	num_ranges: i32, 
	rects:      [^]stb_rect_pack.Rect, 
) -> i32 ---

PackFontRangesPackRects :: proc "c" (
	spc:       ^pack_context, 
	rects:     [^]stb_rect_pack.Rect, 
	num_rects: i32, 
) ---

PackFontRangesRenderIntoRects :: proc "c" (
	spc:        ^pack_context, 
	info:       ^fontinfo, 
	ranges:     [^]pack_range, 
	num_ranges: i32, 
	rects:      [^]stb_rect_pack.Rect, 
) -> b32 ---

PackSetOversampling :: proc "c" (spc: ^pack_context, h_oversample, v_oversample: u32) ---

PackSetSkipMissingCodepoints :: proc "c" (spc: ^pack_context, skip: b32) ---

Rasterize :: proc "c" (
	result:             ^_bitmap, 
	flatness_in_pixels: f32, 
	vertices:           [^]vertex, 
	num_verts:          i32, 
	scale_x, scale_y:   f32, 
	shift_x, shift_y:   f32, 
	x_off, y_off:       i32, 
	invert:             b32, 
	userdata:           rawptr, 
) ---

ScaleForMappingEmToPixels :: proc "c" (info: ^fontinfo, pixels: f32) -> f32 ---

ScaleForPixelHeight :: proc "c" (info: ^fontinfo, pixels: f32) -> f32 ---