--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-color.cc Fri Mar 01 16:59:19 2019 -0800
@@ -0,0 +1,299 @@
+/*
+ * 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-open-type.hh"
+#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 "hb-ot-face.hh"
+#include "hb-ot.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "hb-ot-layout.hh"
+
+
+/**
+ * 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.
+ **/
+
+
+/*
+ * CPAL
+ */
+
+
+/**
+ * hb_ot_color_has_palettes:
+ * @face: a font face.
+ *
+ * Returns: whether CPAL table is available.
+ *
+ * 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: a font face.
+ *
+ * Returns: the number of color palettes in @face, or zero if @face has
+ * no colors.
+ *
+ * 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: a font face.
+ * @palette_index: the index of the color palette whose name is being requested.
+ *
+ * Retrieves the name id of a color palette. For example, a color font can
+ * have themed palettes like "Spring", "Summer", "Fall", and "Winter".
+ *
+ * Returns: an identifier within @face's `name` table.
+ * 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: a font face.
+ * @color_index: palette entry index.
+ *
+ * Returns: Name ID associated with a palette entry, e.g. eye 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: a font face
+ * @palette_index: the index of the color palette whose flags are being requested
+ *
+ * Returns: the flags for 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: a font face.
+ * @palette_index:the index of the color palette whose colors
+ * are being requested.
+ * @start_offset: the index of the first color being requested.
+ * @color_count: (inout) (optional): on input, how many colors
+ * can be maximally stored into the @colors array;
+ * on output, how many colors were actually stored.
+ * @colors: (array length=color_count) (out) (optional):
+ * an array of #hb_color_t records. 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.
+ *
+ * Retrieves the colors in a color palette.
+ *
+ * Returns: 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: a font face.
+ *
+ * Returns: whether COLR table is available.
+ *
+ * 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: a font face.
+ * @glyph: a layered color glyph id.
+ * @start_offset: starting offset of layers.
+ * @count: (inout) (optional): gets number of layers available to be written on buffer
+ * and returns number of written layers.
+ * @layers: (array length=count) (out) (optional): layers buffer to buffer.
+ *
+ * Returns: Total number of layers a layered color glyph have.
+ *
+ * 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 *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, count, layers);
+}
+
+
+/*
+ * SVG
+ */
+
+/**
+ * hb_ot_color_has_svg:
+ * @face: a font face.
+ *
+ * Check whether @face has SVG glyph images.
+ *
+ * Returns true if available, 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: a font face.
+ * @glyph: a svg glyph index.
+ *
+ * Get SVG document for a glyph. The blob may be either plain text or gzip-encoded.
+ *
+ * Returns: (transfer full): respective svg blob 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: a font face.
+ *
+ * Check whether @face has PNG glyph images (either CBDT or sbix tables).
+ *
+ * Returns true if available, 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: a font object, not face. upem should be set on
+ * that font object if one wants to get optimal png blob, otherwise
+ * return the biggest one
+ * @glyph: a glyph index.
+ *
+ * Get PNG image for a glyph.
+ *
+ * Returns: (transfer full): respective PNG blob of 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;
+}