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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-color.cc')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-color.cc | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-color.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-color.cc deleted file mode 100644 index 0e7203a88bf..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-color.cc +++ /dev/null @@ -1,321 +0,0 @@ -/* - * Copyright © 2016 Google, Inc. - * Copyright © 2018 Ebrahim Byagowi - * - * This is part of HarfBuzz, a text shaping library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - * - * Google Author(s): Sascha Brawer, Behdad Esfahbod - */ - -#include "hb.hh" - -#ifndef HB_NO_COLOR - -#include "hb-ot.h" - -#include "hb-ot-color-cbdt-table.hh" -#include "hb-ot-color-colr-table.hh" -#include "hb-ot-color-cpal-table.hh" -#include "hb-ot-color-sbix-table.hh" -#include "hb-ot-color-svg-table.hh" - -#include <stdlib.h> -#include <string.h> - - -/** - * SECTION:hb-ot-color - * @title: hb-ot-color - * @short_description: OpenType Color Fonts - * @include: hb-ot.h - * - * Functions for fetching color-font information from OpenType font faces. - * - * HarfBuzz supports `COLR`/`CPAL`, `sbix`, `CBDT`, and `SVG` color fonts. - **/ - - -/* - * CPAL - */ - - -/** - * hb_ot_color_has_palettes: - * @face: #hb_face_t to work upon - * - * Tests whether a face includes a `CPAL` color-palette table. - * - * Return value: true if data found, false otherwise - * - * Since: 2.1.0 - */ -hb_bool_t -hb_ot_color_has_palettes (hb_face_t *face) -{ - return face->table.CPAL->has_data (); -} - -/** - * hb_ot_color_palette_get_count: - * @face: #hb_face_t to work upon - * - * Fetches the number of color palettes in a face. - * - * Return value: the number of palettes found - * - * Since: 2.1.0 - */ -unsigned int -hb_ot_color_palette_get_count (hb_face_t *face) -{ - return face->table.CPAL->get_palette_count (); -} - -/** - * hb_ot_color_palette_get_name_id: - * @face: #hb_face_t to work upon - * @palette_index: The index of the color palette - * - * Fetches the `name` table Name ID that provides display names for - * a `CPAL` color palette. - * - * Palette display names can be generic (e.g., "Default") or provide - * specific, themed names (e.g., "Spring", "Summer", "Fall", and "Winter"). - * - * Return value: the Named ID found for the palette. - * If the requested palette has no name the result is #HB_OT_NAME_ID_INVALID. - * - * Since: 2.1.0 - */ -hb_ot_name_id_t -hb_ot_color_palette_get_name_id (hb_face_t *face, - unsigned int palette_index) -{ - return face->table.CPAL->get_palette_name_id (palette_index); -} - -/** - * hb_ot_color_palette_color_get_name_id: - * @face: #hb_face_t to work upon - * @color_index: The index of the color - * - * Fetches the `name` table Name ID that provides display names for - * the specificed color in a face's `CPAL` color palette. - * - * Display names can be generic (e.g., "Background") or specific - * (e.g., "Eye color"). - * - * Return value: the Name ID found for the color. - * - * Since: 2.1.0 - */ -hb_ot_name_id_t -hb_ot_color_palette_color_get_name_id (hb_face_t *face, - unsigned int color_index) -{ - return face->table.CPAL->get_color_name_id (color_index); -} - -/** - * hb_ot_color_palette_get_flags: - * @face: #hb_face_t to work upon - * @palette_index: The index of the color palette - * - * Fetches the flags defined for a color palette. - * - * Return value: the #hb_ot_color_palette_flags_t of the requested color palette - * - * Since: 2.1.0 - */ -hb_ot_color_palette_flags_t -hb_ot_color_palette_get_flags (hb_face_t *face, - unsigned int palette_index) -{ - return face->table.CPAL->get_palette_flags (palette_index); -} - -/** - * hb_ot_color_palette_get_colors: - * @face: #hb_face_t to work upon - * @palette_index: the index of the color palette to query - * @start_offset: offset of the first color to retrieve - * @color_count: (inout) (optional): Input = the maximum number of colors to return; - * Output = the actual number of colors returned (may be zero) - * @colors: (out) (array length=color_count) (nullable): The array of #hb_color_t records found - * - * Fetches a list of the colors in a color palette. - * - * After calling this function, @colors will be filled with the palette - * colors. If @colors is NULL, the function will just return the number - * of total colors without storing any actual colors; this can be used - * for allocating a buffer of suitable size before calling - * hb_ot_color_palette_get_colors() a second time. - * - * Return value: the total number of colors in the palette - * - * Since: 2.1.0 - */ -unsigned int -hb_ot_color_palette_get_colors (hb_face_t *face, - unsigned int palette_index, - unsigned int start_offset, - unsigned int *colors_count /* IN/OUT. May be NULL. */, - hb_color_t *colors /* OUT. May be NULL. */) -{ - return face->table.CPAL->get_palette_colors (palette_index, start_offset, colors_count, colors); -} - - -/* - * COLR - */ - -/** - * hb_ot_color_has_layers: - * @face: #hb_face_t to work upon - * - * Tests whether a face includes any `COLR` color layers. - * - * Return value: true if data found, false otherwise - * - * Since: 2.1.0 - */ -hb_bool_t -hb_ot_color_has_layers (hb_face_t *face) -{ - return face->table.COLR->has_data (); -} - -/** - * hb_ot_color_glyph_get_layers: - * @face: #hb_face_t to work upon - * @glyph: The glyph index to query - * @start_offset: offset of the first layer to retrieve - * @layer_count: (inout) (optional): Input = the maximum number of layers to return; - * Output = the actual number of layers returned (may be zero) - * @layers: (out) (array length=layer_count) (nullable): The array of layers found - * - * Fetches a list of all color layers for the specified glyph index in the specified - * face. The list returned will begin at the offset provided. - * - * Return value: Total number of layers available for the glyph index queried - * - * Since: 2.1.0 - */ -unsigned int -hb_ot_color_glyph_get_layers (hb_face_t *face, - hb_codepoint_t glyph, - unsigned int start_offset, - unsigned int *layer_count, /* IN/OUT. May be NULL. */ - hb_ot_color_layer_t *layers /* OUT. May be NULL. */) -{ - return face->table.COLR->get_glyph_layers (glyph, start_offset, layer_count, layers); -} - - -/* - * SVG - */ - -/** - * hb_ot_color_has_svg: - * @face: #hb_face_t to work upon. - * - * Tests whether a face includes any `SVG` glyph images. - * - * Return value: true if data found, false otherwise. - * - * Since: 2.1.0 - */ -hb_bool_t -hb_ot_color_has_svg (hb_face_t *face) -{ - return face->table.SVG->has_data (); -} - -/** - * hb_ot_color_glyph_reference_svg: - * @face: #hb_face_t to work upon - * @glyph: a svg glyph index - * - * Fetches the SVG document for a glyph. The blob may be either plain text or gzip-encoded. - * - * Return value: (transfer full): An #hb_blob_t containing the SVG document of the glyph, if available - * - * Since: 2.1.0 - */ -hb_blob_t * -hb_ot_color_glyph_reference_svg (hb_face_t *face, hb_codepoint_t glyph) -{ - return face->table.SVG->reference_blob_for_glyph (glyph); -} - - -/* - * PNG: CBDT or sbix - */ - -/** - * hb_ot_color_has_png: - * @face: #hb_face_t to work upon - * - * Tests whether a face has PNG glyph images (either in `CBDT` or `sbix` tables). - * - * Return value: true if data found, false otherwise - * - * Since: 2.1.0 - */ -hb_bool_t -hb_ot_color_has_png (hb_face_t *face) -{ - return face->table.CBDT->has_data () || face->table.sbix->has_data (); -} - -/** - * hb_ot_color_glyph_reference_png: - * @font: #hb_font_t to work upon - * @glyph: a glyph index - * - * Fetches the PNG image for a glyph. This function takes a font object, not a face object, - * as input. To get an optimally sized PNG blob, the UPEM value must be set on the @font - * object. If UPEM is unset, the blob returned will be the largest PNG available. - * - * Return value: (transfer full): An #hb_blob_t containing the PNG image for the glyph, if available - * - * Since: 2.1.0 - */ -hb_blob_t * -hb_ot_color_glyph_reference_png (hb_font_t *font, hb_codepoint_t glyph) -{ - hb_blob_t *blob = hb_blob_get_empty (); - - if (font->face->table.sbix->has_data ()) - blob = font->face->table.sbix->reference_png (font, glyph, nullptr, nullptr, nullptr); - - if (!blob->length && font->face->table.CBDT->has_data ()) - blob = font->face->table.CBDT->reference_png (font, glyph); - - return blob; -} - - -#endif |