author | prr |
Fri, 01 Mar 2019 16:59:19 -0800 | |
changeset 54232 | 7c11a7cc7c1d |
parent 50352 | 25db2c8f3cf8 |
permissions | -rw-r--r-- |
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/* |
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* Copyright © 2012,2013 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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* Google Author(s): Behdad Esfahbod |
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*/ |
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#include "hb-buffer.hh" |
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static const char *serialize_formats[] = { |
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"text", |
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"json", |
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nullptr |
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}; |
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/** |
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* hb_buffer_serialize_list_formats: |
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* |
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* Returns a list of supported buffer serialization formats. |
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* |
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* Return value: (transfer none): |
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* A string array of buffer serialization formats. Should not be freed. |
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* |
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* Since: 0.9.7 |
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**/ |
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const char ** |
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hb_buffer_serialize_list_formats () |
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{ |
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return serialize_formats; |
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} |
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/** |
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* hb_buffer_serialize_format_from_string: |
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* @str: (array length=len) (element-type uint8_t): a string to parse |
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* @len: length of @str, or -1 if string is %NULL terminated |
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* |
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* Parses a string into an #hb_buffer_serialize_format_t. Does not check if |
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* @str is a valid buffer serialization format, use |
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* hb_buffer_serialize_list_formats() to get the list of supported formats. |
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* |
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* Return value: |
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* The parsed #hb_buffer_serialize_format_t. |
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* |
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* Since: 0.9.7 |
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**/ |
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hb_buffer_serialize_format_t |
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hb_buffer_serialize_format_from_string (const char *str, int len) |
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{ |
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/* Upper-case it. */ |
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return (hb_buffer_serialize_format_t) (hb_tag_from_string (str, len) & ~0x20202020u); |
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} |
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/** |
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* hb_buffer_serialize_format_to_string: |
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* @format: an #hb_buffer_serialize_format_t to convert. |
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* |
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* Converts @format to the string corresponding it, or %NULL if it is not a valid |
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* #hb_buffer_serialize_format_t. |
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* |
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* Return value: (transfer none): |
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* A %NULL terminated string corresponding to @format. Should not be freed. |
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* |
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* Since: 0.9.7 |
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**/ |
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const char * |
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hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format) |
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{ |
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switch (format) |
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{ |
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case HB_BUFFER_SERIALIZE_FORMAT_TEXT: return serialize_formats[0]; |
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case HB_BUFFER_SERIALIZE_FORMAT_JSON: return serialize_formats[1]; |
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default: |
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case HB_BUFFER_SERIALIZE_FORMAT_INVALID: return nullptr; |
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} |
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} |
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static unsigned int |
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_hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer, |
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unsigned int start, |
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unsigned int end, |
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char *buf, |
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unsigned int buf_size, |
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unsigned int *buf_consumed, |
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hb_font_t *font, |
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hb_buffer_serialize_flags_t flags) |
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{ |
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hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr); |
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hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ? |
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nullptr : hb_buffer_get_glyph_positions (buffer, nullptr); |
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*buf_consumed = 0; |
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hb_position_t x = 0, y = 0; |
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for (unsigned int i = start; i < end; i++) |
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{ |
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char b[1024]; |
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char *p = b; |
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/* In the following code, we know b is large enough that no overflow can happen. */ |
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#define APPEND(s) HB_STMT_START { strcpy (p, s); p += strlen (s); } HB_STMT_END |
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if (i) |
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*p++ = ','; |
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*p++ = '{'; |
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APPEND ("\"g\":"); |
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if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES)) |
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{ |
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char g[128]; |
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hb_font_glyph_to_string (font, info[i].codepoint, g, sizeof (g)); |
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*p++ = '"'; |
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for (char *q = g; *q; q++) { |
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if (*q == '"') |
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*p++ = '\\'; |
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*p++ = *q; |
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} |
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*p++ = '"'; |
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} |
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else |
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p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%u", info[i].codepoint)); |
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142 |
|
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143 |
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS)) { |
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p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"cl\":%u", info[i].cluster)); |
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145 |
} |
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146 |
|
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147 |
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS)) |
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{ |
48274 | 149 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"dx\":%d,\"dy\":%d", |
50352 | 150 |
x+pos[i].x_offset, y+pos[i].y_offset)); |
151 |
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES)) |
|
152 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"ax\":%d,\"ay\":%d", |
|
153 |
pos[i].x_advance, pos[i].y_advance)); |
|
48274 | 154 |
} |
155 |
||
156 |
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS) |
|
157 |
{ |
|
158 |
if (info[i].mask & HB_GLYPH_FLAG_DEFINED) |
|
159 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"fl\":%u", info[i].mask & HB_GLYPH_FLAG_DEFINED)); |
|
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160 |
} |
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161 |
|
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162 |
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS) |
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163 |
{ |
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164 |
hb_glyph_extents_t extents; |
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165 |
hb_font_get_glyph_extents(font, info[i].codepoint, &extents); |
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p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"xb\":%d,\"yb\":%d", |
48274 | 167 |
extents.x_bearing, extents.y_bearing)); |
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p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d", |
48274 | 169 |
extents.width, extents.height)); |
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170 |
} |
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171 |
|
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172 |
*p++ = '}'; |
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173 |
|
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unsigned int l = p - b; |
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if (buf_size > l) |
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176 |
{ |
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memcpy (buf, b, l); |
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178 |
buf += l; |
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179 |
buf_size -= l; |
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180 |
*buf_consumed += l; |
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181 |
*buf = '\0'; |
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182 |
} else |
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183 |
return i - start; |
50352 | 184 |
|
185 |
if (pos && (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES)) |
|
186 |
{ |
|
187 |
x += pos[i].x_advance; |
|
188 |
y += pos[i].y_advance; |
|
189 |
} |
|
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190 |
} |
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191 |
|
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192 |
return end - start; |
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193 |
} |
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194 |
|
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195 |
static unsigned int |
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196 |
_hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer, |
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197 |
unsigned int start, |
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198 |
unsigned int end, |
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199 |
char *buf, |
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200 |
unsigned int buf_size, |
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201 |
unsigned int *buf_consumed, |
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202 |
hb_font_t *font, |
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203 |
hb_buffer_serialize_flags_t flags) |
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204 |
{ |
48274 | 205 |
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr); |
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206 |
hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ? |
48274 | 207 |
nullptr : hb_buffer_get_glyph_positions (buffer, nullptr); |
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208 |
|
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209 |
*buf_consumed = 0; |
50352 | 210 |
hb_position_t x = 0, y = 0; |
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211 |
for (unsigned int i = start; i < end; i++) |
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212 |
{ |
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213 |
char b[1024]; |
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214 |
char *p = b; |
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215 |
|
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216 |
/* In the following code, we know b is large enough that no overflow can happen. */ |
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217 |
|
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218 |
if (i) |
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219 |
*p++ = '|'; |
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220 |
|
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221 |
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES)) |
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222 |
{ |
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223 |
hb_font_glyph_to_string (font, info[i].codepoint, p, 128); |
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224 |
p += strlen (p); |
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225 |
} |
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226 |
else |
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227 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%u", info[i].codepoint)); |
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228 |
|
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229 |
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS)) { |
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230 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "=%u", info[i].cluster)); |
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231 |
} |
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232 |
|
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233 |
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS)) |
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234 |
{ |
50352 | 235 |
if (x+pos[i].x_offset || y+pos[i].y_offset) |
236 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "@%d,%d", x+pos[i].x_offset, y+pos[i].y_offset)); |
|
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237 |
|
50352 | 238 |
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES)) |
239 |
{ |
|
240 |
*p++ = '+'; |
|
241 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%d", pos[i].x_advance)); |
|
242 |
if (pos[i].y_advance) |
|
243 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",%d", pos[i].y_advance)); |
|
244 |
} |
|
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245 |
} |
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246 |
|
48274 | 247 |
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS) |
248 |
{ |
|
54232 | 249 |
if (info[i].mask & HB_GLYPH_FLAG_DEFINED) |
48274 | 250 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "#%X", info[i].mask &HB_GLYPH_FLAG_DEFINED)); |
251 |
} |
|
252 |
||
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253 |
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS) |
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254 |
{ |
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255 |
hb_glyph_extents_t extents; |
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256 |
hb_font_get_glyph_extents(font, info[i].codepoint, &extents); |
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257 |
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "<%d,%d,%d,%d>", extents.x_bearing, extents.y_bearing, extents.width, extents.height)); |
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258 |
} |
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259 |
|
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260 |
unsigned int l = p - b; |
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261 |
if (buf_size > l) |
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262 |
{ |
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263 |
memcpy (buf, b, l); |
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264 |
buf += l; |
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265 |
buf_size -= l; |
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266 |
*buf_consumed += l; |
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267 |
*buf = '\0'; |
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268 |
} else |
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269 |
return i - start; |
50352 | 270 |
|
271 |
if (pos && (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES)) |
|
272 |
{ |
|
273 |
x += pos[i].x_advance; |
|
274 |
y += pos[i].y_advance; |
|
275 |
} |
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276 |
} |
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277 |
|
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278 |
return end - start; |
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279 |
} |
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280 |
|
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281 |
/** |
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282 |
* hb_buffer_serialize_glyphs: |
40435 | 283 |
* @buffer: an #hb_buffer_t buffer. |
284 |
* @start: the first item in @buffer to serialize. |
|
285 |
* @end: the last item in @buffer to serialize. |
|
286 |
* @buf: (out) (array length=buf_size) (element-type uint8_t): output string to |
|
287 |
* write serialized buffer into. |
|
288 |
* @buf_size: the size of @buf. |
|
289 |
* @buf_consumed: (out) (allow-none): if not %NULL, will be set to the number of byes written into @buf. |
|
290 |
* @font: (allow-none): the #hb_font_t used to shape this buffer, needed to |
|
291 |
* read glyph names and extents. If %NULL, and empty font will be used. |
|
292 |
* @format: the #hb_buffer_serialize_format_t to use for formatting the output. |
|
293 |
* @flags: the #hb_buffer_serialize_flags_t that control what glyph properties |
|
294 |
* to serialize. |
|
295 |
* |
|
296 |
* Serializes @buffer into a textual representation of its glyph content, |
|
297 |
* useful for showing the contents of the buffer, for example during debugging. |
|
298 |
* There are currently two supported serialization formats: |
|
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299 |
* |
40435 | 300 |
* ## text |
301 |
* A human-readable, plain text format. |
|
302 |
* The serialized glyphs will look something like: |
|
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|
303 |
* |
40435 | 304 |
* ``` |
305 |
* [uni0651=0@518,0+0|uni0628=0+1897] |
|
306 |
* ``` |
|
307 |
* - The serialized glyphs are delimited with `[` and `]`. |
|
308 |
* - Glyphs are separated with `|` |
|
309 |
* - Each glyph starts with glyph name, or glyph index if |
|
310 |
* #HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES flag is set. Then, |
|
311 |
* - If #HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS is not set, `=` then #hb_glyph_info_t.cluster. |
|
312 |
* - If #HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS is not set, the #hb_glyph_position_t in the format: |
|
313 |
* - If both #hb_glyph_position_t.x_offset and #hb_glyph_position_t.y_offset are not 0, `@x_offset,y_offset`. Then, |
|
314 |
* - `+x_advance`, then `,y_advance` if #hb_glyph_position_t.y_advance is not 0. Then, |
|
315 |
* - If #HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS is set, the |
|
316 |
* #hb_glyph_extents_t in the format |
|
317 |
* `<x_bearing,y_bearing,width,height>` |
|
318 |
* |
|
319 |
* ## json |
|
320 |
* TODO. |
|
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321 |
* |
48274 | 322 |
* Return value: |
40435 | 323 |
* The number of serialized items. |
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324 |
* |
40435 | 325 |
* Since: 0.9.7 |
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326 |
**/ |
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327 |
unsigned int |
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|
328 |
hb_buffer_serialize_glyphs (hb_buffer_t *buffer, |
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|
329 |
unsigned int start, |
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|
330 |
unsigned int end, |
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|
331 |
char *buf, |
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|
332 |
unsigned int buf_size, |
40435 | 333 |
unsigned int *buf_consumed, |
334 |
hb_font_t *font, |
|
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335 |
hb_buffer_serialize_format_t format, |
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|
336 |
hb_buffer_serialize_flags_t flags) |
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|
337 |
{ |
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|
338 |
assert (start <= end && end <= buffer->len); |
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|
339 |
|
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|
340 |
unsigned int sconsumed; |
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|
341 |
if (!buf_consumed) |
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|
342 |
buf_consumed = &sconsumed; |
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|
343 |
*buf_consumed = 0; |
48274 | 344 |
if (buf_size) |
345 |
*buf = '\0'; |
|
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|
346 |
|
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|
347 |
assert ((!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID) || |
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|
348 |
buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS); |
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|
349 |
|
40435 | 350 |
if (!buffer->have_positions) |
351 |
flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS; |
|
352 |
||
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|
353 |
if (unlikely (start == end)) |
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|
354 |
return 0; |
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|
355 |
|
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|
356 |
if (!font) |
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|
357 |
font = hb_font_get_empty (); |
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|
358 |
|
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|
359 |
switch (format) |
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|
360 |
{ |
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|
361 |
case HB_BUFFER_SERIALIZE_FORMAT_TEXT: |
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|
362 |
return _hb_buffer_serialize_glyphs_text (buffer, start, end, |
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|
363 |
buf, buf_size, buf_consumed, |
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|
364 |
font, flags); |
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|
365 |
|
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|
366 |
case HB_BUFFER_SERIALIZE_FORMAT_JSON: |
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|
367 |
return _hb_buffer_serialize_glyphs_json (buffer, start, end, |
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|
368 |
buf, buf_size, buf_consumed, |
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|
369 |
font, flags); |
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changeset
|
370 |
|
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|
371 |
default: |
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|
372 |
case HB_BUFFER_SERIALIZE_FORMAT_INVALID: |
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|
373 |
return 0; |
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changeset
|
374 |
|
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|
375 |
} |
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|
376 |
} |
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|
377 |
|
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|
378 |
|
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|
379 |
static hb_bool_t |
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|
380 |
parse_uint (const char *pp, const char *end, uint32_t *pv) |
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|
381 |
{ |
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|
382 |
char buf[32]; |
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|
383 |
unsigned int len = MIN (ARRAY_LENGTH (buf) - 1, (unsigned int) (end - pp)); |
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|
384 |
strncpy (buf, pp, len); |
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|
385 |
buf[len] = '\0'; |
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|
386 |
|
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|
387 |
char *p = buf; |
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changeset
|
388 |
char *pend = p; |
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changeset
|
389 |
uint32_t v; |
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changeset
|
390 |
|
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parents:
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changeset
|
391 |
errno = 0; |
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parents:
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changeset
|
392 |
v = strtol (p, &pend, 10); |
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changeset
|
393 |
if (errno || p == pend || pend - p != end - pp) |
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parents:
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changeset
|
394 |
return false; |
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parents:
diff
changeset
|
395 |
|
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parents:
diff
changeset
|
396 |
*pv = v; |
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parents:
diff
changeset
|
397 |
return true; |
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parents:
diff
changeset
|
398 |
} |
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changeset
|
399 |
|
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changeset
|
400 |
static hb_bool_t |
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changeset
|
401 |
parse_int (const char *pp, const char *end, int32_t *pv) |
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parents:
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|
402 |
{ |
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diff
changeset
|
403 |
char buf[32]; |
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changeset
|
404 |
unsigned int len = MIN (ARRAY_LENGTH (buf) - 1, (unsigned int) (end - pp)); |
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changeset
|
405 |
strncpy (buf, pp, len); |
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parents:
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changeset
|
406 |
buf[len] = '\0'; |
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changeset
|
407 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
408 |
char *p = buf; |
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parents:
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changeset
|
409 |
char *pend = p; |
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parents:
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changeset
|
410 |
int32_t v; |
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parents:
diff
changeset
|
411 |
|
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parents:
diff
changeset
|
412 |
errno = 0; |
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parents:
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changeset
|
413 |
v = strtol (p, &pend, 10); |
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changeset
|
414 |
if (errno || p == pend || pend - p != end - pp) |
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parents:
diff
changeset
|
415 |
return false; |
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parents:
diff
changeset
|
416 |
|
e496a8d8fc8a
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parents:
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changeset
|
417 |
*pv = v; |
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parents:
diff
changeset
|
418 |
return true; |
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parents:
diff
changeset
|
419 |
} |
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changeset
|
420 |
|
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|
421 |
#include "hb-buffer-deserialize-json.hh" |
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|
422 |
#include "hb-buffer-deserialize-text.hh" |
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|
423 |
|
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|
424 |
/** |
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|
425 |
* hb_buffer_deserialize_glyphs: |
40435 | 426 |
* @buffer: an #hb_buffer_t buffer. |
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|
427 |
* @buf: (array length=buf_len): |
48274 | 428 |
* @buf_len: |
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|
429 |
* @end_ptr: (out): |
48274 | 430 |
* @font: |
431 |
* @format: |
|
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|
432 |
* |
48274 | 433 |
* |
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|
434 |
* |
48274 | 435 |
* Return value: |
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|
436 |
* |
40435 | 437 |
* Since: 0.9.7 |
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|
438 |
**/ |
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changeset
|
439 |
hb_bool_t |
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changeset
|
440 |
hb_buffer_deserialize_glyphs (hb_buffer_t *buffer, |
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parents:
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changeset
|
441 |
const char *buf, |
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parents:
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changeset
|
442 |
int buf_len, /* -1 means nul-terminated */ |
54232 | 443 |
const char **end_ptr, /* May be NULL */ |
444 |
hb_font_t *font, /* May be NULL */ |
|
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|
445 |
hb_buffer_serialize_format_t format) |
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parents:
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changeset
|
446 |
{ |
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parents:
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changeset
|
447 |
const char *end; |
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parents:
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changeset
|
448 |
if (!end_ptr) |
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parents:
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changeset
|
449 |
end_ptr = &end; |
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parents:
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changeset
|
450 |
*end_ptr = buf; |
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parents:
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changeset
|
451 |
|
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changeset
|
452 |
assert ((!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID) || |
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|
453 |
buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
454 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
455 |
if (buf_len == -1) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
456 |
buf_len = strlen (buf); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
457 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
458 |
if (!buf_len) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
459 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
460 |
*end_ptr = buf; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
461 |
return false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
462 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
463 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
464 |
hb_buffer_set_content_type (buffer, HB_BUFFER_CONTENT_TYPE_GLYPHS); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
465 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
466 |
if (!font) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
467 |
font = hb_font_get_empty (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
468 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
469 |
switch (format) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
470 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
471 |
case HB_BUFFER_SERIALIZE_FORMAT_TEXT: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
472 |
return _hb_buffer_deserialize_glyphs_text (buffer, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
473 |
buf, buf_len, end_ptr, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
474 |
font); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
475 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
476 |
case HB_BUFFER_SERIALIZE_FORMAT_JSON: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
477 |
return _hb_buffer_deserialize_glyphs_json (buffer, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
478 |
buf, buf_len, end_ptr, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
479 |
font); |
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 |
default: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
482 |
case HB_BUFFER_SERIALIZE_FORMAT_INVALID: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
483 |
return false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
484 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
485 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
486 |
} |