author | prr |
Tue, 31 Jul 2018 12:23:55 -0700 | |
changeset 51303 | 0eeff620cdf5 |
parent 50826 | f5b95be8b6e2 |
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/* |
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* Copyright © 2009 Red Hat, Inc. |
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* Copyright © 2009 Keith Stribley |
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* Copyright © 2015 Google, Inc. |
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* |
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* This is part of HarfBuzz, a text shaping library. |
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* |
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* Permission is hereby granted, without written agreement and without |
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* license or royalty fees, to use, copy, modify, and distribute this |
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* software and its documentation for any purpose, provided that the |
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* above copyright notice and the following two paragraphs appear in |
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* all copies of this software. |
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* |
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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* |
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* Red Hat Author(s): Behdad Esfahbod |
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* Google Author(s): Behdad Esfahbod |
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*/ |
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#include "hb-private.hh" |
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#include "hb-debug.hh" |
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#include "hb-ft.h" |
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#include "hb-font-private.hh" |
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#include FT_ADVANCES_H |
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#include FT_MULTIPLE_MASTERS_H |
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#include FT_TRUETYPE_TABLES_H |
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/* TODO: |
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* |
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* In general, this file does a fine job of what it's supposed to do. |
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* There are, however, things that need more work: |
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* |
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* - I remember seeing FT_Get_Advance() without the NO_HINTING flag to be buggy. |
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* Have not investigated. |
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* |
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* - FreeType works in 26.6 mode. Clients can decide to use that mode, and everything |
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* would work fine. However, we also abuse this API for performing in font-space, |
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* but don't pass the correct flags to FreeType. We just abuse the no-hinting mode |
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* for that, such that no rounding etc happens. As such, we don't set ppem, and |
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* pass NO_HINTING as load_flags. Would be much better to use NO_SCALE, and scale |
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* ourselves, like we do in uniscribe, etc. |
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* |
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* - We don't handle / allow for emboldening / obliqueing. |
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* |
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* - In the future, we should add constructors to create fonts in font space? |
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* |
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* - FT_Load_Glyph() is extremely costly. Do something about it? |
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*/ |
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struct hb_ft_font_t |
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{ |
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FT_Face ft_face; |
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int load_flags; |
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bool symbol; /* Whether selected cmap is symbol cmap. */ |
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bool unref; /* Whether to destroy ft_face when done. */ |
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}; |
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static hb_ft_font_t * |
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_hb_ft_font_create (FT_Face ft_face, bool symbol, bool unref) |
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{ |
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hb_ft_font_t *ft_font = (hb_ft_font_t *) calloc (1, sizeof (hb_ft_font_t)); |
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if (unlikely (!ft_font)) |
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return nullptr; |
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ft_font->ft_face = ft_face; |
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ft_font->symbol = symbol; |
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ft_font->unref = unref; |
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ft_font->load_flags = FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING; |
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return ft_font; |
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} |
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static void |
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_hb_ft_face_destroy (void *data) |
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{ |
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FT_Done_Face ((FT_Face) data); |
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} |
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static void |
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_hb_ft_font_destroy (void *data) |
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{ |
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hb_ft_font_t *ft_font = (hb_ft_font_t *) data; |
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if (ft_font->unref) |
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_hb_ft_face_destroy (ft_font->ft_face); |
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free (ft_font); |
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} |
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/** |
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* hb_ft_font_set_load_flags: |
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* @font: |
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* @load_flags: |
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* |
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* |
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* |
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* Since: 1.0.5 |
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**/ |
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void |
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hb_ft_font_set_load_flags (hb_font_t *font, int load_flags) |
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{ |
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if (font->immutable) |
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return; |
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if (font->destroy != (hb_destroy_func_t) _hb_ft_font_destroy) |
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return; |
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hb_ft_font_t *ft_font = (hb_ft_font_t *) font->user_data; |
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ft_font->load_flags = load_flags; |
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} |
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/** |
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* hb_ft_font_get_load_flags: |
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* @font: |
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* |
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* |
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* |
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* Return value: |
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* Since: 1.0.5 |
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**/ |
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139 |
int |
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140 |
hb_ft_font_get_load_flags (hb_font_t *font) |
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141 |
{ |
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if (font->destroy != (hb_destroy_func_t) _hb_ft_font_destroy) |
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143 |
return 0; |
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144 |
|
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const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font->user_data; |
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146 |
|
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return ft_font->load_flags; |
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148 |
} |
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149 |
|
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150 |
FT_Face |
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hb_ft_font_get_face (hb_font_t *font) |
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152 |
{ |
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if (font->destroy != (hb_destroy_func_t) _hb_ft_font_destroy) |
48274 | 154 |
return nullptr; |
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155 |
|
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const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font->user_data; |
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157 |
|
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158 |
return ft_font->ft_face; |
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159 |
} |
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160 |
|
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161 |
|
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162 |
|
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163 |
static hb_bool_t |
40435 | 164 |
hb_ft_get_nominal_glyph (hb_font_t *font HB_UNUSED, |
165 |
void *font_data, |
|
166 |
hb_codepoint_t unicode, |
|
167 |
hb_codepoint_t *glyph, |
|
168 |
void *user_data HB_UNUSED) |
|
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169 |
{ |
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170 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
40435 | 171 |
unsigned int g = FT_Get_Char_Index (ft_font->ft_face, unicode); |
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172 |
|
40435 | 173 |
if (unlikely (!g)) |
174 |
{ |
|
175 |
if (unlikely (ft_font->symbol) && unicode <= 0x00FFu) |
|
176 |
{ |
|
177 |
/* For symbol-encoded OpenType fonts, we duplicate the |
|
178 |
* U+F000..F0FF range at U+0000..U+00FF. That's what |
|
179 |
* Windows seems to do, and that's hinted about at: |
|
50826 | 180 |
* https://docs.microsoft.com/en-us/typography/opentype/spec/recom |
40435 | 181 |
* under "Non-Standard (Symbol) Fonts". */ |
182 |
g = FT_Get_Char_Index (ft_font->ft_face, 0xF000u + unicode); |
|
183 |
if (!g) |
|
184 |
return false; |
|
185 |
} |
|
186 |
else |
|
187 |
return false; |
|
188 |
} |
|
189 |
||
190 |
*glyph = g; |
|
191 |
return true; |
|
192 |
} |
|
193 |
||
194 |
static hb_bool_t |
|
195 |
hb_ft_get_variation_glyph (hb_font_t *font HB_UNUSED, |
|
196 |
void *font_data, |
|
197 |
hb_codepoint_t unicode, |
|
198 |
hb_codepoint_t variation_selector, |
|
199 |
hb_codepoint_t *glyph, |
|
200 |
void *user_data HB_UNUSED) |
|
201 |
{ |
|
202 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
|
203 |
unsigned int g = FT_Face_GetCharVariantIndex (ft_font->ft_face, unicode, variation_selector); |
|
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204 |
|
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205 |
if (unlikely (!g)) |
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206 |
return false; |
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207 |
|
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208 |
*glyph = g; |
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|
209 |
return true; |
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|
210 |
} |
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211 |
|
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212 |
static hb_position_t |
50826 | 213 |
hb_ft_get_glyph_h_advance (hb_font_t *font, |
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214 |
void *font_data, |
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215 |
hb_codepoint_t glyph, |
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216 |
void *user_data HB_UNUSED) |
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217 |
{ |
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218 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
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219 |
FT_Fixed v; |
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220 |
|
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221 |
if (unlikely (FT_Get_Advance (ft_font->ft_face, glyph, ft_font->load_flags, &v))) |
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222 |
return 0; |
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223 |
|
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224 |
if (font->x_scale < 0) |
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225 |
v = -v; |
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226 |
|
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227 |
return (v + (1<<9)) >> 10; |
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228 |
} |
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229 |
|
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230 |
static hb_position_t |
50826 | 231 |
hb_ft_get_glyph_v_advance (hb_font_t *font, |
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232 |
void *font_data, |
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233 |
hb_codepoint_t glyph, |
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234 |
void *user_data HB_UNUSED) |
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235 |
{ |
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236 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
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237 |
FT_Fixed v; |
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|
238 |
|
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|
239 |
if (unlikely (FT_Get_Advance (ft_font->ft_face, glyph, ft_font->load_flags | FT_LOAD_VERTICAL_LAYOUT, &v))) |
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|
240 |
return 0; |
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|
241 |
|
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|
242 |
if (font->y_scale < 0) |
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|
243 |
v = -v; |
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|
244 |
|
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|
245 |
/* Note: FreeType's vertical metrics grows downward while other FreeType coordinates |
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246 |
* have a Y growing upward. Hence the extra negation. */ |
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|
247 |
return (-v + (1<<9)) >> 10; |
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|
248 |
} |
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249 |
|
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250 |
static hb_bool_t |
50826 | 251 |
hb_ft_get_glyph_v_origin (hb_font_t *font, |
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252 |
void *font_data, |
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253 |
hb_codepoint_t glyph, |
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254 |
hb_position_t *x, |
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255 |
hb_position_t *y, |
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256 |
void *user_data HB_UNUSED) |
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257 |
{ |
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258 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
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259 |
FT_Face ft_face = ft_font->ft_face; |
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260 |
|
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261 |
if (unlikely (FT_Load_Glyph (ft_face, glyph, ft_font->load_flags))) |
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|
262 |
return false; |
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|
263 |
|
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|
264 |
/* Note: FreeType's vertical metrics grows downward while other FreeType coordinates |
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|
265 |
* have a Y growing upward. Hence the extra negation. */ |
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|
266 |
*x = ft_face->glyph->metrics.horiBearingX - ft_face->glyph->metrics.vertBearingX; |
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267 |
*y = ft_face->glyph->metrics.horiBearingY - (-ft_face->glyph->metrics.vertBearingY); |
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268 |
|
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|
269 |
if (font->x_scale < 0) |
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270 |
*x = -*x; |
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|
271 |
if (font->y_scale < 0) |
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|
272 |
*y = -*y; |
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|
273 |
|
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|
274 |
return true; |
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|
275 |
} |
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|
276 |
|
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277 |
static hb_position_t |
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278 |
hb_ft_get_glyph_h_kerning (hb_font_t *font, |
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279 |
void *font_data, |
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280 |
hb_codepoint_t left_glyph, |
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281 |
hb_codepoint_t right_glyph, |
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282 |
void *user_data HB_UNUSED) |
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283 |
{ |
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284 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
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285 |
FT_Vector kerningv; |
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|
286 |
|
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287 |
FT_Kerning_Mode mode = font->x_ppem ? FT_KERNING_DEFAULT : FT_KERNING_UNFITTED; |
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288 |
if (FT_Get_Kerning (ft_font->ft_face, left_glyph, right_glyph, mode, &kerningv)) |
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|
289 |
return 0; |
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|
290 |
|
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291 |
return kerningv.x; |
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292 |
} |
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changeset
|
293 |
|
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diff
changeset
|
294 |
static hb_bool_t |
50826 | 295 |
hb_ft_get_glyph_extents (hb_font_t *font, |
34414
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|
296 |
void *font_data, |
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diff
changeset
|
297 |
hb_codepoint_t glyph, |
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parents:
diff
changeset
|
298 |
hb_glyph_extents_t *extents, |
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parents:
diff
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|
299 |
void *user_data HB_UNUSED) |
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parents:
diff
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|
300 |
{ |
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parents:
diff
changeset
|
301 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
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parents:
diff
changeset
|
302 |
FT_Face ft_face = ft_font->ft_face; |
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parents:
diff
changeset
|
303 |
|
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parents:
diff
changeset
|
304 |
if (unlikely (FT_Load_Glyph (ft_face, glyph, ft_font->load_flags))) |
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parents:
diff
changeset
|
305 |
return false; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
306 |
|
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prr
parents:
diff
changeset
|
307 |
extents->x_bearing = ft_face->glyph->metrics.horiBearingX; |
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parents:
diff
changeset
|
308 |
extents->y_bearing = ft_face->glyph->metrics.horiBearingY; |
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parents:
diff
changeset
|
309 |
extents->width = ft_face->glyph->metrics.width; |
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parents:
diff
changeset
|
310 |
extents->height = -ft_face->glyph->metrics.height; |
40435 | 311 |
if (font->x_scale < 0) |
312 |
{ |
|
313 |
extents->x_bearing = -extents->x_bearing; |
|
314 |
extents->width = -extents->width; |
|
315 |
} |
|
316 |
if (font->y_scale < 0) |
|
317 |
{ |
|
318 |
extents->y_bearing = -extents->y_bearing; |
|
319 |
extents->height = -extents->height; |
|
320 |
} |
|
34414
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parents:
diff
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|
321 |
return true; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
322 |
} |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
323 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
324 |
static hb_bool_t |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
325 |
hb_ft_get_glyph_contour_point (hb_font_t *font HB_UNUSED, |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
326 |
void *font_data, |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
327 |
hb_codepoint_t glyph, |
e496a8d8fc8a
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parents:
diff
changeset
|
328 |
unsigned int point_index, |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
329 |
hb_position_t *x, |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
330 |
hb_position_t *y, |
e496a8d8fc8a
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parents:
diff
changeset
|
331 |
void *user_data HB_UNUSED) |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
332 |
{ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
333 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
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parents:
diff
changeset
|
334 |
FT_Face ft_face = ft_font->ft_face; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
335 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
336 |
if (unlikely (FT_Load_Glyph (ft_face, glyph, ft_font->load_flags))) |
e496a8d8fc8a
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parents:
diff
changeset
|
337 |
return false; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
338 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
339 |
if (unlikely (ft_face->glyph->format != FT_GLYPH_FORMAT_OUTLINE)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
340 |
return false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
341 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
342 |
if (unlikely (point_index >= (unsigned int) ft_face->glyph->outline.n_points)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
343 |
return false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
344 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
345 |
*x = ft_face->glyph->outline.points[point_index].x; |
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parents:
diff
changeset
|
346 |
*y = ft_face->glyph->outline.points[point_index].y; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
347 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
348 |
return true; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
349 |
} |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
350 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
351 |
static hb_bool_t |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
352 |
hb_ft_get_glyph_name (hb_font_t *font HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
353 |
void *font_data, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
354 |
hb_codepoint_t glyph, |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
355 |
char *name, unsigned int size, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
356 |
void *user_data HB_UNUSED) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
357 |
{ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
358 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
359 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
360 |
hb_bool_t ret = !FT_Get_Glyph_Name (ft_font->ft_face, glyph, name, size); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
361 |
if (ret && (size && !*name)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
362 |
ret = false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
363 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
364 |
return ret; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
365 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
366 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
367 |
static hb_bool_t |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
368 |
hb_ft_get_glyph_from_name (hb_font_t *font HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
369 |
void *font_data, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
370 |
const char *name, int len, /* -1 means nul-terminated */ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
371 |
hb_codepoint_t *glyph, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
372 |
void *user_data HB_UNUSED) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
373 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
374 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
375 |
FT_Face ft_face = ft_font->ft_face; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
376 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
377 |
if (len < 0) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
378 |
*glyph = FT_Get_Name_Index (ft_face, (FT_String *) name); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
379 |
else { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
380 |
/* Make a nul-terminated version. */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
381 |
char buf[128]; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
382 |
len = MIN (len, (int) sizeof (buf) - 1); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
383 |
strncpy (buf, name, len); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
384 |
buf[len] = '\0'; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
385 |
*glyph = FT_Get_Name_Index (ft_face, buf); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
386 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
387 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
388 |
if (*glyph == 0) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
389 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
390 |
/* Check whether the given name was actually the name of glyph 0. */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
391 |
char buf[128]; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
392 |
if (!FT_Get_Glyph_Name(ft_face, 0, buf, sizeof (buf)) && |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
393 |
len < 0 ? !strcmp (buf, name) : !strncmp (buf, name, len)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
394 |
return true; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
395 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
396 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
397 |
return *glyph != 0; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
398 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
399 |
|
40435 | 400 |
static hb_bool_t |
401 |
hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED, |
|
402 |
void *font_data, |
|
403 |
hb_font_extents_t *metrics, |
|
404 |
void *user_data HB_UNUSED) |
|
405 |
{ |
|
406 |
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; |
|
407 |
FT_Face ft_face = ft_font->ft_face; |
|
408 |
metrics->ascender = ft_face->size->metrics.ascender; |
|
409 |
metrics->descender = ft_face->size->metrics.descender; |
|
410 |
metrics->line_gap = ft_face->size->metrics.height - (ft_face->size->metrics.ascender - ft_face->size->metrics.descender); |
|
411 |
if (font->y_scale < 0) |
|
412 |
{ |
|
413 |
metrics->ascender = -metrics->ascender; |
|
414 |
metrics->descender = -metrics->descender; |
|
415 |
metrics->line_gap = -metrics->line_gap; |
|
416 |
} |
|
417 |
return true; |
|
418 |
} |
|
419 |
||
48274 | 420 |
static hb_font_funcs_t *static_ft_funcs = nullptr; |
40435 | 421 |
|
422 |
#ifdef HB_USE_ATEXIT |
|
423 |
static |
|
424 |
void free_static_ft_funcs (void) |
|
425 |
{ |
|
50826 | 426 |
retry: |
427 |
hb_font_funcs_t *ft_funcs = (hb_font_funcs_t *) hb_atomic_ptr_get (&static_ft_funcs); |
|
428 |
if (!hb_atomic_ptr_cmpexch (&static_ft_funcs, ft_funcs, nullptr)) |
|
429 |
goto retry; |
|
430 |
||
431 |
hb_font_funcs_destroy (ft_funcs); |
|
40435 | 432 |
} |
433 |
#endif |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
434 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
435 |
static void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
436 |
_hb_ft_font_set_funcs (hb_font_t *font, FT_Face ft_face, bool unref) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
437 |
{ |
40435 | 438 |
retry: |
439 |
hb_font_funcs_t *funcs = (hb_font_funcs_t *) hb_atomic_ptr_get (&static_ft_funcs); |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
440 |
|
40435 | 441 |
if (unlikely (!funcs)) |
442 |
{ |
|
443 |
funcs = hb_font_funcs_create (); |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
444 |
|
48274 | 445 |
hb_font_funcs_set_font_h_extents_func (funcs, hb_ft_get_font_h_extents, nullptr, nullptr); |
446 |
//hb_font_funcs_set_font_v_extents_func (funcs, hb_ft_get_font_v_extents, nullptr, nullptr); |
|
447 |
hb_font_funcs_set_nominal_glyph_func (funcs, hb_ft_get_nominal_glyph, nullptr, nullptr); |
|
448 |
hb_font_funcs_set_variation_glyph_func (funcs, hb_ft_get_variation_glyph, nullptr, nullptr); |
|
449 |
hb_font_funcs_set_glyph_h_advance_func (funcs, hb_ft_get_glyph_h_advance, nullptr, nullptr); |
|
450 |
hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ft_get_glyph_v_advance, nullptr, nullptr); |
|
451 |
//hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ft_get_glyph_h_origin, nullptr, nullptr); |
|
452 |
hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ft_get_glyph_v_origin, nullptr, nullptr); |
|
453 |
hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ft_get_glyph_h_kerning, nullptr, nullptr); |
|
454 |
//hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ft_get_glyph_v_kerning, nullptr, nullptr); |
|
455 |
hb_font_funcs_set_glyph_extents_func (funcs, hb_ft_get_glyph_extents, nullptr, nullptr); |
|
456 |
hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ft_get_glyph_contour_point, nullptr, nullptr); |
|
457 |
hb_font_funcs_set_glyph_name_func (funcs, hb_ft_get_glyph_name, nullptr, nullptr); |
|
458 |
hb_font_funcs_set_glyph_from_name_func (funcs, hb_ft_get_glyph_from_name, nullptr, nullptr); |
|
40435 | 459 |
|
460 |
hb_font_funcs_make_immutable (funcs); |
|
461 |
||
48274 | 462 |
if (!hb_atomic_ptr_cmpexch (&static_ft_funcs, nullptr, funcs)) { |
40435 | 463 |
hb_font_funcs_destroy (funcs); |
464 |
goto retry; |
|
34414
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8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
465 |
} |
40435 | 466 |
|
467 |
#ifdef HB_USE_ATEXIT |
|
468 |
atexit (free_static_ft_funcs); /* First person registers atexit() callback. */ |
|
469 |
#endif |
|
34414
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8143177: Integrate harfbuzz opentype layout engine per JEP 258
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parents:
diff
changeset
|
470 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
471 |
|
40435 | 472 |
bool symbol = ft_face->charmap && ft_face->charmap->encoding == FT_ENCODING_MS_SYMBOL; |
473 |
||
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
474 |
hb_font_set_funcs (font, |
40435 | 475 |
funcs, |
476 |
_hb_ft_font_create (ft_face, symbol, unref), |
|
48274 | 477 |
_hb_ft_font_destroy); |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
478 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
479 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
480 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
481 |
static hb_blob_t * |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
482 |
reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
483 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
484 |
FT_Face ft_face = (FT_Face) user_data; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
485 |
FT_Byte *buffer; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
486 |
FT_ULong length = 0; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
487 |
FT_Error error; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
488 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
489 |
/* Note: FreeType like HarfBuzz uses the NONE tag for fetching the entire blob */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
490 |
|
48274 | 491 |
error = FT_Load_Sfnt_Table (ft_face, tag, 0, nullptr, &length); |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
492 |
if (error) |
48274 | 493 |
return nullptr; |
34414
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8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
494 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
495 |
buffer = (FT_Byte *) malloc (length); |
48274 | 496 |
if (!buffer) |
497 |
return nullptr; |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
498 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
499 |
error = FT_Load_Sfnt_Table (ft_face, tag, 0, buffer, &length); |
51303
0eeff620cdf5
8208466: Fix potential memory leak in harfbuzz shaping.
prr
parents:
50826
diff
changeset
|
500 |
if (error) { |
0eeff620cdf5
8208466: Fix potential memory leak in harfbuzz shaping.
prr
parents:
50826
diff
changeset
|
501 |
free (buffer); |
48274 | 502 |
return nullptr; |
51303
0eeff620cdf5
8208466: Fix potential memory leak in harfbuzz shaping.
prr
parents:
50826
diff
changeset
|
503 |
} |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
504 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
505 |
return hb_blob_create ((const char *) buffer, length, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
506 |
HB_MEMORY_MODE_WRITABLE, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
507 |
buffer, free); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
508 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
509 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
510 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
511 |
* hb_ft_face_create: |
48274 | 512 |
* @ft_face: (destroy destroy) (scope notified): |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
513 |
* @destroy: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
514 |
* |
48274 | 515 |
* |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
516 |
* |
48274 | 517 |
* Return value: (transfer full): |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
518 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
519 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
520 |
hb_face_t * |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
521 |
hb_ft_face_create (FT_Face ft_face, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
522 |
hb_destroy_func_t destroy) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
523 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
524 |
hb_face_t *face; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
525 |
|
48274 | 526 |
if (!ft_face->stream->read) { |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
527 |
hb_blob_t *blob; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
528 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
529 |
blob = hb_blob_create ((const char *) ft_face->stream->base, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
530 |
(unsigned int) ft_face->stream->size, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
531 |
HB_MEMORY_MODE_READONLY, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
532 |
ft_face, destroy); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
533 |
face = hb_face_create (blob, ft_face->face_index); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
534 |
hb_blob_destroy (blob); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
535 |
} else { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
536 |
face = hb_face_create_for_tables (reference_table, ft_face, destroy); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
537 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
538 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
539 |
hb_face_set_index (face, ft_face->face_index); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
540 |
hb_face_set_upem (face, ft_face->units_per_EM); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
541 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
542 |
return face; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
543 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
544 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
545 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
546 |
* hb_ft_face_create_referenced: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
547 |
* @ft_face: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
548 |
* |
48274 | 549 |
* |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
550 |
* |
48274 | 551 |
* Return value: (transfer full): |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
552 |
* Since: 0.9.38 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
553 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
554 |
hb_face_t * |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
555 |
hb_ft_face_create_referenced (FT_Face ft_face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
556 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
557 |
FT_Reference_Face (ft_face); |
48274 | 558 |
return hb_ft_face_create (ft_face, _hb_ft_face_destroy); |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
559 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
560 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
561 |
static void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
562 |
hb_ft_face_finalize (FT_Face ft_face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
563 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
564 |
hb_face_destroy ((hb_face_t *) ft_face->generic.data); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
565 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
566 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
567 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
568 |
* hb_ft_face_create_cached: |
48274 | 569 |
* @ft_face: |
570 |
* |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
571 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
572 |
* |
48274 | 573 |
* Return value: (transfer full): |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
574 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
575 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
576 |
hb_face_t * |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
577 |
hb_ft_face_create_cached (FT_Face ft_face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
578 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
579 |
if (unlikely (!ft_face->generic.data || ft_face->generic.finalizer != (FT_Generic_Finalizer) hb_ft_face_finalize)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
580 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
581 |
if (ft_face->generic.finalizer) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
582 |
ft_face->generic.finalizer (ft_face); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
583 |
|
48274 | 584 |
ft_face->generic.data = hb_ft_face_create (ft_face, nullptr); |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
585 |
ft_face->generic.finalizer = (FT_Generic_Finalizer) hb_ft_face_finalize; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
586 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
587 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
588 |
return hb_face_reference ((hb_face_t *) ft_face->generic.data); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
589 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
590 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
591 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
592 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
593 |
* hb_ft_font_create: |
48274 | 594 |
* @ft_face: (destroy destroy) (scope notified): |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
595 |
* @destroy: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
596 |
* |
48274 | 597 |
* |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
598 |
* |
48274 | 599 |
* Return value: (transfer full): |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
600 |
* Since: 0.9.2 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
601 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
602 |
hb_font_t * |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
603 |
hb_ft_font_create (FT_Face ft_face, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
604 |
hb_destroy_func_t destroy) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
605 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
606 |
hb_font_t *font; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
607 |
hb_face_t *face; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
608 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
609 |
face = hb_ft_face_create (ft_face, destroy); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
610 |
font = hb_font_create (face); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
611 |
hb_face_destroy (face); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
612 |
_hb_ft_font_set_funcs (font, ft_face, false); |
48274 | 613 |
hb_ft_font_changed (font); |
614 |
return font; |
|
615 |
} |
|
616 |
||
617 |
void |
|
618 |
hb_ft_font_changed (hb_font_t *font) |
|
619 |
{ |
|
50826 | 620 |
if (font->destroy != (hb_destroy_func_t) _hb_ft_font_destroy) |
48274 | 621 |
return; |
622 |
||
623 |
hb_ft_font_t *ft_font = (hb_ft_font_t *) font->user_data; |
|
624 |
FT_Face ft_face = ft_font->ft_face; |
|
625 |
||
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
626 |
hb_font_set_scale (font, |
43232 | 627 |
(int) (((uint64_t) ft_face->size->metrics.x_scale * (uint64_t) ft_face->units_per_EM + (1u<<15)) >> 16), |
628 |
(int) (((uint64_t) ft_face->size->metrics.y_scale * (uint64_t) ft_face->units_per_EM + (1u<<15)) >> 16)); |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
629 |
#if 0 /* hb-ft works in no-hinting model */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
630 |
hb_font_set_ppem (font, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
631 |
ft_face->size->metrics.x_ppem, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
632 |
ft_face->size->metrics.y_ppem); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
633 |
#endif |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
634 |
|
43232 | 635 |
#ifdef HAVE_FT_GET_VAR_BLEND_COORDINATES |
48274 | 636 |
FT_MM_Var *mm_var = nullptr; |
43232 | 637 |
if (!FT_Get_MM_Var (ft_face, &mm_var)) |
638 |
{ |
|
48274 | 639 |
FT_Fixed *ft_coords = (FT_Fixed *) calloc (mm_var->num_axis, sizeof (FT_Fixed)); |
640 |
int *coords = (int *) calloc (mm_var->num_axis, sizeof (int)); |
|
641 |
if (coords && ft_coords) |
|
43232 | 642 |
{ |
48274 | 643 |
if (!FT_Get_Var_Blend_Coordinates (ft_face, mm_var->num_axis, ft_coords)) |
644 |
{ |
|
50352 | 645 |
bool nonzero = false; |
646 |
||
48274 | 647 |
for (unsigned int i = 0; i < mm_var->num_axis; ++i) |
50352 | 648 |
{ |
48274 | 649 |
coords[i] = ft_coords[i] >>= 2; |
50352 | 650 |
nonzero = nonzero || coords[i]; |
651 |
} |
|
43232 | 652 |
|
50352 | 653 |
if (nonzero) |
654 |
hb_font_set_var_coords_normalized (font, coords, mm_var->num_axis); |
|
655 |
else |
|
656 |
hb_font_set_var_coords_normalized (font, nullptr, 0); |
|
48274 | 657 |
} |
43232 | 658 |
} |
48274 | 659 |
free (coords); |
660 |
free (ft_coords); |
|
50352 | 661 |
#ifdef HAVE_FT_DONE_MM_VAR |
662 |
FT_Done_MM_Var (ft_face->glyph->library, mm_var); |
|
663 |
#else |
|
48274 | 664 |
free (mm_var); |
50352 | 665 |
#endif |
43232 | 666 |
} |
667 |
#endif |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
668 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
669 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
670 |
/** |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
671 |
* hb_ft_font_create_referenced: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
672 |
* @ft_face: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
673 |
* |
48274 | 674 |
* |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
675 |
* |
48274 | 676 |
* Return value: (transfer full): |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
677 |
* Since: 0.9.38 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
678 |
**/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
679 |
hb_font_t * |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
680 |
hb_ft_font_create_referenced (FT_Face ft_face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
681 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
682 |
FT_Reference_Face (ft_face); |
48274 | 683 |
return hb_ft_font_create (ft_face, _hb_ft_face_destroy); |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
684 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
685 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
686 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
687 |
/* Thread-safe, lock-free, FT_Library */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
688 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
689 |
static FT_Library ft_library; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
690 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
691 |
#ifdef HB_USE_ATEXIT |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
692 |
static |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
693 |
void free_ft_library (void) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
694 |
{ |
50826 | 695 |
retry: |
696 |
FT_Library library = (FT_Library) hb_atomic_ptr_get (&ft_library); |
|
697 |
if (!hb_atomic_ptr_cmpexch (&ft_library, library, nullptr)) |
|
698 |
goto retry; |
|
699 |
||
700 |
FT_Done_FreeType (library); |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
701 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
702 |
#endif |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
703 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
704 |
static FT_Library |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
705 |
get_ft_library (void) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
706 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
707 |
retry: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
708 |
FT_Library library = (FT_Library) hb_atomic_ptr_get (&ft_library); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
709 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
710 |
if (unlikely (!library)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
711 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
712 |
/* Not found; allocate one. */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
713 |
if (FT_Init_FreeType (&library)) |
48274 | 714 |
return nullptr; |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
715 |
|
48274 | 716 |
if (!hb_atomic_ptr_cmpexch (&ft_library, nullptr, library)) { |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
717 |
FT_Done_FreeType (library); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
718 |
goto retry; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
719 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
720 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
721 |
#ifdef HB_USE_ATEXIT |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
722 |
atexit (free_ft_library); /* First person registers atexit() callback. */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
723 |
#endif |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
724 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
725 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
726 |
return library; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
727 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
728 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
729 |
static void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
730 |
_release_blob (FT_Face ft_face) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
731 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
732 |
hb_blob_destroy ((hb_blob_t *) ft_face->generic.data); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
733 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
734 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
735 |
void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
736 |
hb_ft_font_set_funcs (hb_font_t *font) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
737 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
738 |
hb_blob_t *blob = hb_face_reference_blob (font->face); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
739 |
unsigned int blob_length; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
740 |
const char *blob_data = hb_blob_get_data (blob, &blob_length); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
741 |
if (unlikely (!blob_length)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
742 |
DEBUG_MSG (FT, font, "Font face has empty blob"); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
743 |
|
48274 | 744 |
FT_Face ft_face = nullptr; |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
745 |
FT_Error err = FT_New_Memory_Face (get_ft_library (), |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
746 |
(const FT_Byte *) blob_data, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
747 |
blob_length, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
748 |
hb_face_get_index (font->face), |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
749 |
&ft_face); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
750 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
751 |
if (unlikely (err)) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
752 |
hb_blob_destroy (blob); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
753 |
DEBUG_MSG (FT, font, "Font face FT_New_Memory_Face() failed"); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
754 |
return; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
755 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
756 |
|
40435 | 757 |
if (FT_Select_Charmap (ft_face, FT_ENCODING_UNICODE)) |
758 |
FT_Select_Charmap (ft_face, FT_ENCODING_MS_SYMBOL); |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
759 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
760 |
FT_Set_Char_Size (ft_face, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
761 |
abs (font->x_scale), abs (font->y_scale), |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
762 |
0, 0); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
763 |
#if 0 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
764 |
font->x_ppem * 72 * 64 / font->x_scale, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
765 |
font->y_ppem * 72 * 64 / font->y_scale); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
766 |
#endif |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
767 |
if (font->x_scale < 0 || font->y_scale < 0) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
768 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
769 |
FT_Matrix matrix = { font->x_scale < 0 ? -1 : +1, 0, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
770 |
0, font->y_scale < 0 ? -1 : +1}; |
48274 | 771 |
FT_Set_Transform (ft_face, &matrix, nullptr); |
772 |
} |
|
773 |
||
50352 | 774 |
#ifdef HAVE_FT_SET_VAR_BLEND_COORDINATES |
48274 | 775 |
unsigned int num_coords; |
776 |
const int *coords = hb_font_get_var_coords_normalized (font, &num_coords); |
|
777 |
if (num_coords) |
|
778 |
{ |
|
779 |
FT_Fixed *ft_coords = (FT_Fixed *) calloc (num_coords, sizeof (FT_Fixed)); |
|
780 |
if (ft_coords) |
|
781 |
{ |
|
782 |
for (unsigned int i = 0; i < num_coords; i++) |
|
783 |
ft_coords[i] = coords[i] << 2; |
|
784 |
FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords); |
|
785 |
free (ft_coords); |
|
786 |
} |
|
34414
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8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
787 |
} |
50352 | 788 |
#endif |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
789 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
790 |
ft_face->generic.data = blob; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
791 |
ft_face->generic.finalizer = (FT_Generic_Finalizer) _release_blob; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
792 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
793 |
_hb_ft_font_set_funcs (font, ft_face, true); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
794 |
hb_ft_font_set_load_flags (font, FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
795 |
} |