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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-0.9.19/src/hb-coretext.cc352
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diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.19/src/hb-coretext.cc b/Build/source/libs/harfbuzz/harfbuzz-0.9.19/src/hb-coretext.cc
deleted file mode 100644
index 66db97bfbd1..00000000000
--- a/Build/source/libs/harfbuzz/harfbuzz-0.9.19/src/hb-coretext.cc
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- * Copyright © 2012 Mozilla Foundation.
- * Copyright © 2012 Google, Inc.
- *
- * 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.
- *
- * Mozilla Author(s): Jonathan Kew
- * Google Author(s): Behdad Esfahbod
- */
-
-#define HB_SHAPER coretext
-#include "hb-shaper-impl-private.hh"
-
-#include "hb-coretext.h"
-
-
-#ifndef HB_DEBUG_CORETEXT
-#define HB_DEBUG_CORETEXT (HB_DEBUG+0)
-#endif
-
-
-HB_SHAPER_DATA_ENSURE_DECLARE(coretext, face)
-HB_SHAPER_DATA_ENSURE_DECLARE(coretext, font)
-
-
-/*
- * shaper face data
- */
-
-struct hb_coretext_shaper_face_data_t {
- CGFontRef cg_font;
-};
-
-static void
-release_data (void *info, const void *data, size_t size)
-{
- assert (hb_blob_get_length ((hb_blob_t *) info) == size &&
- hb_blob_get_data ((hb_blob_t *) info, NULL) == data);
-
- hb_blob_destroy ((hb_blob_t *) info);
-}
-
-hb_coretext_shaper_face_data_t *
-_hb_coretext_shaper_face_data_create (hb_face_t *face)
-{
- hb_coretext_shaper_face_data_t *data = (hb_coretext_shaper_face_data_t *) calloc (1, sizeof (hb_coretext_shaper_face_data_t));
- if (unlikely (!data))
- return NULL;
-
- hb_blob_t *blob = hb_face_reference_blob (face);
- unsigned int blob_length;
- const char *blob_data = hb_blob_get_data (blob, &blob_length);
- if (unlikely (!blob_length))
- DEBUG_MSG (CORETEXT, face, "Face has empty blob");
-
- CGDataProviderRef provider = CGDataProviderCreateWithData (blob, blob_data, blob_length, &release_data);
- data->cg_font = CGFontCreateWithDataProvider (provider);
- CGDataProviderRelease (provider);
-
- if (unlikely (!data->cg_font)) {
- DEBUG_MSG (CORETEXT, face, "Face CGFontCreateWithDataProvider() failed");
- free (data);
- return NULL;
- }
-
- return data;
-}
-
-void
-_hb_coretext_shaper_face_data_destroy (hb_coretext_shaper_face_data_t *data)
-{
- CFRelease (data->cg_font);
- free (data);
-}
-
-CGFontRef
-hb_coretext_face_get_cg_font (hb_face_t *face)
-{
- if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL;
- hb_coretext_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
- return face_data->cg_font;
-}
-
-
-/*
- * shaper font data
- */
-
-struct hb_coretext_shaper_font_data_t {
- CTFontRef ct_font;
-};
-
-hb_coretext_shaper_font_data_t *
-_hb_coretext_shaper_font_data_create (hb_font_t *font)
-{
- if (unlikely (!hb_coretext_shaper_face_data_ensure (font->face))) return NULL;
-
- hb_coretext_shaper_font_data_t *data = (hb_coretext_shaper_font_data_t *) calloc (1, sizeof (hb_coretext_shaper_font_data_t));
- if (unlikely (!data))
- return NULL;
-
- hb_face_t *face = font->face;
- hb_coretext_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
-
- data->ct_font = CTFontCreateWithGraphicsFont (face_data->cg_font, font->y_scale, NULL, NULL);
- if (unlikely (!data->ct_font)) {
- DEBUG_MSG (CORETEXT, font, "Font CTFontCreateWithGraphicsFont() failed");
- free (data);
- return NULL;
- }
-
- return data;
-}
-
-void
-_hb_coretext_shaper_font_data_destroy (hb_coretext_shaper_font_data_t *data)
-{
- CFRelease (data->ct_font);
- free (data);
-}
-
-
-/*
- * shaper shape_plan data
- */
-
-struct hb_coretext_shaper_shape_plan_data_t {};
-
-hb_coretext_shaper_shape_plan_data_t *
-_hb_coretext_shaper_shape_plan_data_create (hb_shape_plan_t *shape_plan HB_UNUSED,
- const hb_feature_t *user_features HB_UNUSED,
- unsigned int num_user_features HB_UNUSED)
-{
- return (hb_coretext_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED;
-}
-
-void
-_hb_coretext_shaper_shape_plan_data_destroy (hb_coretext_shaper_shape_plan_data_t *data HB_UNUSED)
-{
-}
-
-CTFontRef
-hb_coretext_font_get_ct_font (hb_font_t *font)
-{
- if (unlikely (!hb_coretext_shaper_font_data_ensure (font))) return NULL;
- hb_coretext_shaper_font_data_t *font_data = HB_SHAPER_DATA_GET (font);
- return font_data->ct_font;
-}
-
-
-/*
- * shaper
- */
-
-hb_bool_t
-_hb_coretext_shape (hb_shape_plan_t *shape_plan,
- hb_font_t *font,
- hb_buffer_t *buffer,
- const hb_feature_t *features,
- unsigned int num_features)
-{
- hb_face_t *face = font->face;
- hb_coretext_shaper_font_data_t *font_data = HB_SHAPER_DATA_GET (font);
-
-#define FAIL(...) \
- HB_STMT_START { \
- DEBUG_MSG (CORETEXT, NULL, __VA_ARGS__); \
- return false; \
- } HB_STMT_END;
-
- unsigned int scratch_size;
- char *scratch = (char *) buffer->get_scratch_buffer (&scratch_size);
-
-#define utf16_index() var1.u32
-
- UniChar *pchars = (UniChar *) scratch;
- unsigned int chars_len = 0;
- for (unsigned int i = 0; i < buffer->len; i++) {
- hb_codepoint_t c = buffer->info[i].codepoint;
- buffer->info[i].utf16_index() = chars_len;
- if (likely (c < 0x10000))
- pchars[chars_len++] = c;
- else if (unlikely (c >= 0x110000))
- pchars[chars_len++] = 0xFFFD;
- else {
- pchars[chars_len++] = 0xD800 + ((c - 0x10000) >> 10);
- pchars[chars_len++] = 0xDC00 + ((c - 0x10000) & ((1 << 10) - 1));
- }
- }
-
-#undef utf16_index
-
- CFStringRef string_ref = CFStringCreateWithCharactersNoCopy (kCFAllocatorDefault,
- pchars, chars_len,
- kCFAllocatorNull);
-
- CFDictionaryRef attrs = CFDictionaryCreate (kCFAllocatorDefault,
- (const void**) &kCTFontAttributeName,
- (const void**) &font_data->ct_font,
- 1, /* count of attributes */
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
-
- /* TODO: support features */
-
- CFAttributedStringRef attr_string = CFAttributedStringCreate (kCFAllocatorDefault, string_ref, attrs);
- CFRelease (string_ref);
- CFRelease (attrs);
-
- CTLineRef line = CTLineCreateWithAttributedString (attr_string);
- CFRelease (attr_string);
-
- CFArrayRef glyph_runs = CTLineGetGlyphRuns (line);
- unsigned int num_runs = CFArrayGetCount (glyph_runs);
-
- buffer->len = 0;
-
- const CFRange range_all = CFRangeMake (0, 0);
-
- for (unsigned int i = 0; i < num_runs; i++) {
- CTRunRef run = (CTRunRef) CFArrayGetValueAtIndex (glyph_runs, i);
-
- unsigned int num_glyphs = CTRunGetGlyphCount (run);
- if (num_glyphs == 0)
- continue;
-
- buffer->ensure (buffer->len + num_glyphs);
-
- /* Testing indicates that CTRunGetGlyphsPtr (almost?) always succeeds,
- * and so copying data to our own buffer with CTRunGetGlyphs will be
- * extremely rare. */
-
- unsigned int scratch_size;
- char *scratch = (char *) buffer->get_scratch_buffer (&scratch_size);
-
-#define ALLOCATE_ARRAY(Type, name, len) \
- Type *name = (Type *) scratch; \
- scratch += (len) * sizeof ((name)[0]); \
- scratch_size -= (len) * sizeof ((name)[0]);
-
- const CGGlyph* glyphs = CTRunGetGlyphsPtr (run);
- if (!glyphs) {
- ALLOCATE_ARRAY (CGGlyph, glyph_buf, num_glyphs);
- CTRunGetGlyphs (run, range_all, glyph_buf);
- glyphs = glyph_buf;
- }
-
- const CGPoint* positions = CTRunGetPositionsPtr (run);
- if (!positions) {
- ALLOCATE_ARRAY (CGPoint, position_buf, num_glyphs);
- CTRunGetPositions (run, range_all, position_buf);
- positions = position_buf;
- }
-
- const CFIndex* string_indices = CTRunGetStringIndicesPtr (run);
- if (!string_indices) {
- ALLOCATE_ARRAY (CFIndex, index_buf, num_glyphs);
- CTRunGetStringIndices (run, range_all, index_buf);
- string_indices = index_buf;
- }
-
-#undef ALLOCATE_ARRAY
-
- double run_width = CTRunGetTypographicBounds (run, range_all, NULL, NULL, NULL);
-
- for (unsigned int j = 0; j < num_glyphs; j++) {
- double advance = (j + 1 < num_glyphs ? positions[j + 1].x : positions[0].x + run_width) - positions[j].x;
-
- hb_glyph_info_t *info = &buffer->info[buffer->len];
-
- info->codepoint = glyphs[j];
- info->cluster = string_indices[j];
-
- /* Currently, we do all x-positioning by setting the advance, we never use x-offset. */
- info->mask = advance;
- info->var1.u32 = 0;
- info->var2.u32 = positions[j].y;
-
- buffer->len++;
- }
- }
-
- buffer->clear_positions ();
-
- unsigned int count = buffer->len;
- for (unsigned int i = 0; i < count; ++i) {
- hb_glyph_info_t *info = &buffer->info[i];
- hb_glyph_position_t *pos = &buffer->pos[i];
-
- /* TODO vertical */
- pos->x_advance = info->mask;
- pos->x_offset = info->var1.u32;
- pos->y_offset = info->var2.u32;
- }
-
- /* Fix up clusters so that we never return out-of-order indices;
- * if core text has reordered glyphs, we'll merge them to the
- * beginning of the reordered cluster.
- *
- * This does *not* mean we'll form the same clusters as Uniscribe
- * or the native OT backend, only that the cluster indices will be
- * monotonic in the output buffer. */
- if (HB_DIRECTION_IS_FORWARD (buffer->props.direction)) {
- unsigned int prev_cluster = 0;
- for (unsigned int i = 0; i < count; i++) {
- unsigned int curr_cluster = buffer->info[i].cluster;
- if (curr_cluster < prev_cluster) {
- for (unsigned int j = i; j > 0; j--) {
- if (buffer->info[j - 1].cluster > curr_cluster)
- buffer->info[j - 1].cluster = curr_cluster;
- else
- break;
- }
- }
- prev_cluster = curr_cluster;
- }
- } else {
- unsigned int prev_cluster = (unsigned int)-1;
- for (unsigned int i = 0; i < count; i++) {
- unsigned int curr_cluster = buffer->info[i].cluster;
- if (curr_cluster > prev_cluster) {
- for (unsigned int j = i; j > 0; j--) {
- if (buffer->info[j - 1].cluster < curr_cluster)
- buffer->info[j - 1].cluster = curr_cluster;
- else
- break;
- }
- }
- prev_cluster = curr_cluster;
- }
- }
-
- return true;
-}