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-/*
- * 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