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https://github.com/harfbuzz/harfbuzz.git
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Merge pull request #1318 from ebraminio/png
Add a non-hooked _png _svg get emoji blob
This commit is contained in:
Ebrahim Byagowi
GitHub
commit
524e854c15
11 changed files with 491 additions and 131 deletions
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@ -58,37 +58,67 @@ cbdt_callback (const uint8_t* data, unsigned int length,
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}
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static void
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sbix_callback (const uint8_t* data, unsigned int length,
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unsigned int group, unsigned int gid)
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sbix_dump (hb_face_t *face)
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{
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char output_path[255];
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sprintf (output_path, "out/sbix-%d-%d.png", group, gid);
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FILE *f = fopen (output_path, "wb");
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fwrite (data, 1, length, f);
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fclose (f);
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OT::sbix::accelerator_t sbix;
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sbix.init (face);
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unsigned int length = 0;
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unsigned int *available_ppems = sbix.get_available_ppems (&length);
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unsigned int num_glyphs = face->num_glyphs;
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for (unsigned int group = 0; group < length; group++)
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for (unsigned int glyph_id = 0; glyph_id < num_glyphs; glyph_id++)
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{
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hb_blob_t *blob;
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blob = sbix.reference_blob_for_glyph (glyph_id, 0, available_ppems[group],
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HB_TAG('p','n','g',' '), NULL, NULL);
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if (hb_blob_get_length (blob) == 0) continue;
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char output_path[255];
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sprintf (output_path, "out/sbix-%d-%d.png", available_ppems[group], glyph_id);
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FILE *f = fopen (output_path, "wb");
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unsigned int length;
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const char* data = hb_blob_get_data (blob, &length);
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fwrite (data, 1, length, f);
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fclose (f);
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}
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sbix.fini ();
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}
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static void
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svg_callback (const uint8_t* data, unsigned int length,
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unsigned int start_glyph, unsigned int end_glyph)
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svg_dump (hb_face_t *face)
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{
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char output_path[255];
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if (start_glyph == end_glyph)
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sprintf (output_path, "out/svg-%d.svg", start_glyph);
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else
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sprintf (output_path, "out/svg-%d-%d.svg", start_glyph, end_glyph);
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unsigned glyph_count = hb_face_get_glyph_count (face);
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// append "z" if the content is gzipped
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if ((data[0] == 0x1F) && (data[1] == 0x8B))
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strcat (output_path, "z");
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OT::SVG::accelerator_t svg;
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svg.init (face);
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FILE *f = fopen (output_path, "wb");
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fwrite (data, 1, length, f);
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fclose (f);
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for (unsigned int glyph_id = 0; glyph_id < glyph_count; glyph_id++)
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{
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hb_blob_t *blob = svg.reference_blob_for_glyph (glyph_id);
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if (hb_blob_get_length (blob) == 0) continue;
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unsigned int length;
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const char *data = hb_blob_get_data (blob, &length);
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char output_path[256];
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sprintf (output_path, "out/svg-%d.svg%s",
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glyph_id,
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// append "z" if the content is gzipped, https://stackoverflow.com/a/6059405
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(length > 2 && (data[0] == '\x1F') && (data[1] == '\x8B')) ? "z" : "");
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FILE *f = fopen (output_path, "wb");
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fwrite (data, 1, length, f);
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fclose (f);
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hb_blob_destroy (blob);
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}
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svg.fini ();
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}
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static void
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colr_cpal_rendering (hb_face_t *face, cairo_font_face_t *cairo_face)
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colr_cpal_dump (hb_face_t *face, cairo_font_face_t *cairo_face)
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{
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unsigned int upem = hb_face_get_upem (face);
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@ -263,15 +293,10 @@ main (int argc, char **argv)
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cbdt.dump (cbdt_callback);
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cbdt.fini ();
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OT::sbix::accelerator_t sbix;
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sbix.init (face);
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sbix.dump (sbix_callback);
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sbix.fini ();
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sbix_dump (face);
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OT::SVG::accelerator_t svg;
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svg.init (face);
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svg.dump (svg_callback);
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svg.fini ();
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// if (hb_ot_color_has_svg (face))
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svg_dump (face);
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cairo_font_face_t *cairo_face;
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{
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@ -281,7 +306,8 @@ main (int argc, char **argv)
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FT_New_Face (library, argv[1], 0, &ftface);
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cairo_face = cairo_ft_font_face_create_for_ft_face (ftface, 0);
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}
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colr_cpal_rendering (face, cairo_face);
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if (hb_ot_color_has_layers (face) && hb_ot_color_has_palettes (face))
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colr_cpal_dump (face, cairo_face);
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unsigned int num_glyphs = hb_face_get_glyph_count (face);
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unsigned int upem = hb_face_get_upem (face);
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@ -523,7 +523,6 @@ struct ArrayOf
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::qsort (arrayZ, len, sizeof (Type), Type::cmp);
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}
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private:
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inline bool sanitize_shallow (hb_sanitize_context_t *c) const
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{
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TRACE_SANITIZE (this);
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@ -376,13 +376,6 @@ struct CBDT
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{
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static const hb_tag_t tableTag = HB_OT_TAG_CBDT;
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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TRACE_SANITIZE (this);
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return_trace (c->check_struct (this) &&
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likely (version.major == 2 || version.major == 3));
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}
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struct accelerator_t
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{
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inline void init (hb_face_t *face)
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@ -459,7 +452,7 @@ struct CBDT
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}
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inline void dump (void (*callback) (const uint8_t* data, unsigned int length,
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unsigned int group, unsigned int gid)) const
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unsigned int group, unsigned int gid)) const
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{
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if (!cblc)
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return; // Not a color bitmap font.
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@ -511,6 +504,64 @@ struct CBDT
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}
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}
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inline hb_blob_t* reference_blob_for_glyph (hb_codepoint_t glyph_id,
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unsigned int requested_x_ppem,
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unsigned int requested_y_ppem,
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unsigned int *strike_x_ppem,
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unsigned int *strike_y_ppem) const
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{
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if (!cblc)
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return hb_blob_get_empty (); // Not a color bitmap font.
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if (requested_x_ppem == 0) requested_x_ppem = upem;
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if (requested_y_ppem == 0) requested_y_ppem = upem;
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unsigned int x_ppem = requested_x_ppem, y_ppem = requested_y_ppem;
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const void *base;
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const IndexSubtableRecord *subtable_record = this->cblc->find_table (glyph_id, &x_ppem, &y_ppem, &base);
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if (!subtable_record || !x_ppem || !y_ppem)
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return hb_blob_get_empty ();
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unsigned int image_offset = 0, image_length = 0, image_format = 0;
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if (!subtable_record->get_image_data (glyph_id, base, &image_offset, &image_length, &image_format))
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return hb_blob_get_empty ();
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switch (image_format)
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{
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case 17: {
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if (strike_x_ppem) *strike_x_ppem = x_ppem;
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if (strike_x_ppem) *strike_y_ppem = y_ppem;
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const GlyphBitmapDataFormat17& glyphFormat17 =
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StructAtOffset<GlyphBitmapDataFormat17> (this->cbdt, image_offset);
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return hb_blob_create_sub_blob (cbdt_blob,
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image_offset + GlyphBitmapDataFormat17::min_size,
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glyphFormat17.data.len);
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}
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case 18: {
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if (strike_x_ppem) *strike_x_ppem = x_ppem;
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if (strike_x_ppem) *strike_y_ppem = y_ppem;
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const GlyphBitmapDataFormat18& glyphFormat18 =
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StructAtOffset<GlyphBitmapDataFormat18> (this->cbdt, image_offset);
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return hb_blob_create_sub_blob (cbdt_blob,
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image_offset + GlyphBitmapDataFormat18::min_size,
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glyphFormat18.data.len);
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}
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case 19: {
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if (strike_x_ppem) *strike_x_ppem = x_ppem;
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if (strike_x_ppem) *strike_y_ppem = y_ppem;
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const GlyphBitmapDataFormat19& glyphFormat19 =
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StructAtOffset<GlyphBitmapDataFormat19> (this->cbdt, image_offset);
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return hb_blob_create_sub_blob (cbdt_blob,
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image_offset + GlyphBitmapDataFormat19::min_size,
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glyphFormat19.data.len);
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}
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}
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return hb_blob_get_empty ();
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}
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inline bool has_data () const
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{ return cbdt_len; }
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private:
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hb_blob_t *cblc_blob;
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hb_blob_t *cbdt_blob;
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@ -521,6 +572,12 @@ struct CBDT
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unsigned int upem;
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};
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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TRACE_SANITIZE (this);
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return_trace (c->check_struct (this) &&
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likely (version.major == 2 || version.major == 3));
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}
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protected:
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FixedVersion<> version;
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@ -62,8 +62,6 @@ struct SBIXGlyph
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struct SBIXStrike
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{
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friend struct sbix;
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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TRACE_SANITIZE (this);
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@ -71,6 +69,54 @@ struct SBIXStrike
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imageOffsetsZ.sanitize_shallow (c, c->get_num_glyphs () + 1));
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}
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inline unsigned int get_ppem () const
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{ return ppem; }
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inline unsigned int get_resolution () const
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{ return resolution; }
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inline unsigned int blob_size (unsigned int glyph_id) const
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{
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return imageOffsetsZ[glyph_id + 1] - imageOffsetsZ[glyph_id] - SBIXGlyph::min_size;
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}
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inline hb_blob_t *get_glyph_blob (unsigned int glyph_id,
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hb_blob_t *sbix_blob,
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unsigned int sbix_len,
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unsigned int strike_offset,
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unsigned int *x_offset,
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unsigned int *y_offset,
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hb_tag_t requested_file_type,
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unsigned int num_glyphs) const
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{
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if (imageOffsetsZ[glyph_id + 1] - imageOffsetsZ[glyph_id] == 0)
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return hb_blob_get_empty ();
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if (strike_offset + (unsigned int) imageOffsetsZ[glyph_id] + SBIXGlyph::min_size > sbix_len)
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return hb_blob_get_empty ();
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const SBIXGlyph *glyph = &(this+imageOffsetsZ[glyph_id]);
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if (unlikely (glyph->graphicType == HB_TAG ('d','u','p','e') &&
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blob_size (glyph_id) >= 2))
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{
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unsigned int new_glyph_id = *((HBUINT16 *) &glyph->data);
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if (new_glyph_id < num_glyphs)
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{
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glyph = &(this+imageOffsetsZ[new_glyph_id]);
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glyph_id = new_glyph_id;
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if (strike_offset + (unsigned int) imageOffsetsZ[glyph_id] + SBIXGlyph::min_size > sbix_len)
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return hb_blob_get_empty ();
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}
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}
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if (unlikely (requested_file_type != glyph->graphicType))
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return hb_blob_get_empty ();
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if (likely (x_offset)) *x_offset = glyph->xOffset;
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if (likely (y_offset)) *y_offset = glyph->yOffset;
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unsigned int offset = strike_offset + SBIXGlyph::min_size;
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offset += imageOffsetsZ[glyph_id];
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return hb_blob_create_sub_blob (sbix_blob, offset, blob_size (glyph_id));
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}
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protected:
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HBUINT16 ppem; /* The PPEM size for which this strike was designed. */
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HBUINT16 resolution; /* The device pixel density (in PPI) for which this
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@ -107,23 +153,48 @@ struct sbix
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hb_blob_destroy (sbix_blob);
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}
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inline void dump (void (*callback) (const uint8_t* data, unsigned int length,
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unsigned int group, unsigned int gid)) const
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/* only to support dump-emoji, don't use it anywhere else */
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inline unsigned int *get_available_ppems (unsigned int *length)
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{
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for (unsigned group = 0; group < sbix_table->strikes.len; ++group)
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{
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const SBIXStrike &strike = sbix_table->strikes[group](sbix_table);
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for (unsigned int glyph = 0; glyph < num_glyphs; ++glyph)
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if (strike.imageOffsetsZ[glyph + 1] - strike.imageOffsetsZ[glyph] > 0)
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{
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const SBIXGlyph &sbixGlyph = strike.imageOffsetsZ[glyph]((const void *) &strike);
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callback ((const uint8_t*) &sbixGlyph.data,
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strike.imageOffsetsZ[glyph + 1] - strike.imageOffsetsZ[glyph] - 8,
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group, glyph);
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}
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}
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if (unlikely (sbix_len == 0 || sbix_table->strikes.len == 0))
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return nullptr;
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*length = sbix_table->strikes.len;
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unsigned int *result;
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result = (unsigned int *) malloc (sizeof (unsigned int) * sbix_table->strikes.len);
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for (unsigned int i = 0; i < sbix_table->strikes.len; i++)
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result[i] = (sbix_table+sbix_table->strikes[i]).get_ppem ();
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return result;
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}
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inline hb_blob_t *reference_blob_for_glyph (hb_codepoint_t glyph_id,
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unsigned int ptem HB_UNUSED,
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unsigned int requested_ppem,
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unsigned int requested_file_type,
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unsigned int *available_x_ppem,
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unsigned int *available_y_ppem) const
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{
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if (unlikely (sbix_len == 0 || sbix_table->strikes.len == 0))
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return hb_blob_get_empty ();
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/* TODO: Does spec guarantee strikes are ascended sorted? */
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unsigned int group = sbix_table->strikes.len - 1;
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if (requested_ppem != 0)
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/* TODO: Use bsearch maybe or doesn't worth it? */
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for (group = 0; group < sbix_table->strikes.len; group++)
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if ((sbix_table+sbix_table->strikes[group]).get_ppem () >= requested_ppem)
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break;
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const SBIXStrike &strike = sbix_table+sbix_table->strikes[group];
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if (available_x_ppem) *available_x_ppem = strike.get_ppem ();
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if (available_y_ppem) *available_y_ppem = strike.get_ppem ();
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return strike.get_glyph_blob (glyph_id, sbix_blob, sbix_len,
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sbix_table->strikes[group],
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nullptr, nullptr, requested_file_type, num_glyphs);
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}
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inline bool has_data () const
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{ return sbix_len; }
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private:
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hb_blob_t *sbix_blob;
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const sbix *sbix_table;
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@ -143,6 +214,8 @@ struct sbix
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DEFINE_SIZE_ARRAY (8, strikes);
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};
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struct sbix_accelerator_t : sbix::accelerator_t {};
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} /* namespace OT */
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#endif /* HB_OT_COLOR_SBIX_TABLE_HH */
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@ -40,13 +40,27 @@ namespace OT {
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struct SVGDocumentIndexEntry
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{
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friend struct SVG;
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inline int cmp (hb_codepoint_t g) const
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{ return g < startGlyphID ? -1 : g > endGlyphID ? 1 : 0; }
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inline bool sanitize (hb_sanitize_context_t *c, const void* base) const
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static int cmp (const void *pa, const void *pb)
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{
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const hb_codepoint_t *a = (const hb_codepoint_t *) pa;
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const SVGDocumentIndexEntry *b = (const SVGDocumentIndexEntry *) pb;
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return b->cmp (*a);
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}
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inline hb_blob_t *reference_blob (hb_blob_t *svg_blob, unsigned int index_offset) const
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{
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if (svgDocLength == 0) return hb_blob_get_empty ();
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return hb_blob_create_sub_blob (svg_blob, (unsigned int) svgDoc + index_offset,
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svgDocLength);
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}
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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TRACE_SANITIZE (this);
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return_trace (c->check_struct (this) &&
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(base+svgDoc).sanitize (c, svgDocLength));
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return_trace (c->check_struct (this));
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}
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protected:
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@ -57,41 +71,16 @@ struct SVGDocumentIndexEntry
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LOffsetTo<UnsizedArrayOf<HBUINT8>, false>
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svgDoc; /* Offset from the beginning of the SVG Document Index
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* to an SVG document. Must be non-zero. */
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HBUINT32 svgDocLength; /* Length of the SVG document.
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HBUINT32 svgDocLength; /* Length of the SVG document.
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* Must be non-zero. */
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public:
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DEFINE_SIZE_STATIC (12);
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};
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struct SVGDocumentIndex
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{
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friend struct SVG;
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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TRACE_SANITIZE (this);
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return_trace (c->check_struct (this) &&
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entries.sanitize (c, this));
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}
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protected:
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ArrayOf<SVGDocumentIndexEntry>
|
||||
entries; /* Array of SVG Document Index Entries. */
|
||||
public:
|
||||
DEFINE_SIZE_ARRAY (2, entries);
|
||||
};
|
||||
|
||||
struct SVG
|
||||
{
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_SVG;
|
||||
|
||||
inline bool sanitize (hb_sanitize_context_t *c) const
|
||||
{
|
||||
TRACE_SANITIZE (this);
|
||||
return_trace (likely (c->check_struct (this) &&
|
||||
(this+svgDocIndex).sanitize (c)));
|
||||
}
|
||||
|
||||
struct accelerator_t
|
||||
{
|
||||
inline void init (hb_face_t *face)
|
||||
|
|
@ -106,20 +95,16 @@ struct SVG
|
|||
hb_blob_destroy (svg_blob);
|
||||
}
|
||||
|
||||
inline void
|
||||
dump (void (*callback) (const uint8_t* data, unsigned int length,
|
||||
unsigned int start_glyph, unsigned int end_glyph)) const
|
||||
inline hb_blob_t *reference_blob_for_glyph (hb_codepoint_t glyph_id) const
|
||||
{
|
||||
const SVGDocumentIndex &index = svg+svg->svgDocIndex;
|
||||
const ArrayOf<SVGDocumentIndexEntry> &entries = index.entries;
|
||||
for (unsigned int i = 0; i < entries.len; ++i)
|
||||
{
|
||||
const SVGDocumentIndexEntry &entry = entries[i];
|
||||
callback ((const uint8_t*) &entry.svgDoc (&index), entry.svgDocLength,
|
||||
entry.startGlyphID, entry.endGlyphID);
|
||||
}
|
||||
if (unlikely (svg_len == 0))
|
||||
return hb_blob_get_empty ();
|
||||
return svg->get_glyph_entry (glyph_id).reference_blob (svg_blob, svg->svgDocEntries);
|
||||
}
|
||||
|
||||
inline bool has_data () const
|
||||
{ return svg_len; }
|
||||
|
||||
private:
|
||||
hb_blob_t *svg_blob;
|
||||
const SVG *svg;
|
||||
|
|
@ -127,16 +112,37 @@ struct SVG
|
|||
unsigned int svg_len;
|
||||
};
|
||||
|
||||
inline const SVGDocumentIndexEntry &get_glyph_entry (hb_codepoint_t glyph_id) const
|
||||
{
|
||||
const SVGDocumentIndexEntry *rec;
|
||||
rec = (SVGDocumentIndexEntry *) bsearch (&glyph_id,
|
||||
&(this+svgDocEntries).arrayZ,
|
||||
(this+svgDocEntries).len,
|
||||
sizeof (SVGDocumentIndexEntry),
|
||||
SVGDocumentIndexEntry::cmp);
|
||||
return likely (rec) ? *rec : Null(SVGDocumentIndexEntry);
|
||||
}
|
||||
|
||||
inline bool sanitize (hb_sanitize_context_t *c) const
|
||||
{
|
||||
TRACE_SANITIZE (this);
|
||||
return_trace (likely (c->check_struct (this) &&
|
||||
(this+svgDocEntries).sanitize_shallow (c)));
|
||||
}
|
||||
|
||||
protected:
|
||||
HBUINT16 version; /* Table version (starting at 0). */
|
||||
LOffsetTo<SVGDocumentIndex>
|
||||
svgDocIndex; /* Offset (relative to the start of the SVG table) to the
|
||||
LOffsetTo<ArrayOf<SVGDocumentIndexEntry> >
|
||||
svgDocEntries; /* Offset (relative to the start of the SVG table) to the
|
||||
* SVG Documents Index. Must be non-zero. */
|
||||
/* Array of SVG Document Index Entries. */
|
||||
HBUINT32 reserved; /* Set to 0. */
|
||||
public:
|
||||
DEFINE_SIZE_STATIC (10);
|
||||
};
|
||||
|
||||
struct SVG_accelerator_t : SVG::accelerator_t {};
|
||||
|
||||
} /* namespace OT */
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -47,6 +47,15 @@ _get_colr (hb_face_t *face)
|
|||
return *(hb_ot_face_data (face)->COLR.get ());
|
||||
}
|
||||
|
||||
#if 0
|
||||
static inline const OT::CBDT_accelerator_t&
|
||||
_get_cbdt (hb_face_t *face)
|
||||
{
|
||||
if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::CBDT_accelerator_t);
|
||||
return *(hb_ot_face_data (face)->CBDT.get ());
|
||||
}
|
||||
#endif
|
||||
|
||||
static inline const OT::CPAL&
|
||||
_get_cpal (hb_face_t *face)
|
||||
{
|
||||
|
|
@ -55,24 +64,17 @@ _get_cpal (hb_face_t *face)
|
|||
}
|
||||
|
||||
#if 0
|
||||
static inline const OT::CBDT_accelerator_t&
|
||||
_get_cbdt (hb_face_t *face)
|
||||
{
|
||||
if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::CBDT_accelerator_t);
|
||||
return *(hb_ot_face_data (face)->CBDT.get ());
|
||||
}
|
||||
|
||||
static inline const OT::sbix&
|
||||
static inline const OT::sbix_accelerator_t&
|
||||
_get_sbix (hb_face_t *face)
|
||||
{
|
||||
if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::sbix);
|
||||
if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::sbix_accelerator_t);
|
||||
return *(hb_ot_face_data (face)->sbix.get ());
|
||||
}
|
||||
|
||||
static inline const OT::SVG&
|
||||
static inline const OT::SVG_accelerator_t&
|
||||
_get_svg (hb_face_t *face)
|
||||
{
|
||||
if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::SVG);
|
||||
if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::SVG_accelerator_t);
|
||||
return *(hb_ot_face_data (face)->SVG.get ());
|
||||
}
|
||||
#endif
|
||||
|
|
@ -134,8 +136,8 @@ hb_ot_color_palette_get_name_id (hb_face_t *face,
|
|||
|
||||
/**
|
||||
* hb_ot_color_palette_color_get_name_id:
|
||||
* @face: a font face.
|
||||
* @color_index:
|
||||
* @face: a font face.
|
||||
* @color_index: palette entry index.
|
||||
*
|
||||
* Returns: Name ID associated with a palette entry, e.g. eye color
|
||||
*
|
||||
|
|
@ -150,7 +152,7 @@ hb_ot_color_palette_color_get_name_id (hb_face_t *face,
|
|||
|
||||
/**
|
||||
* hb_ot_color_palette_get_flags:
|
||||
* @face: a font face
|
||||
* @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.
|
||||
|
|
@ -219,13 +221,14 @@ hb_ot_color_has_layers (hb_face_t *face)
|
|||
|
||||
/**
|
||||
* hb_ot_color_glyph_get_layers:
|
||||
* @face: a font face.
|
||||
* @glyph:
|
||||
* @start_offset:
|
||||
* @count: (inout) (optional):
|
||||
* @layers: (array length=count) (out) (optional):
|
||||
* @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:
|
||||
* Returns: Total number of layers a layered color glyph have.
|
||||
*
|
||||
* Since: 2.1.0
|
||||
*/
|
||||
|
|
@ -238,3 +241,121 @@ hb_ot_color_glyph_get_layers (hb_face_t *face,
|
|||
{
|
||||
return _get_colr (face).get_glyph_layers (glyph, start_offset, count, layers);
|
||||
}
|
||||
|
||||
|
||||
#if 0
|
||||
/*
|
||||
* SVG
|
||||
*/
|
||||
|
||||
/**
|
||||
* hb_ot_color_has_svg:
|
||||
* @face: a font face.
|
||||
*
|
||||
* Returns: whether SVG table is available.
|
||||
*
|
||||
* Since: DONTREPLACEME
|
||||
*/
|
||||
hb_bool_t
|
||||
hb_ot_color_has_svg (hb_face_t *face)
|
||||
{
|
||||
return _get_svg (face).has_data ();
|
||||
}
|
||||
|
||||
/**
|
||||
* hb_ot_color_glyph_reference_blob_svg:
|
||||
* @face: a font face.
|
||||
* @glyph: a svg glyph index.
|
||||
*
|
||||
* Returns: respective svg blob of the glyph, if available.
|
||||
*
|
||||
* Since: DONTREPLACEME
|
||||
*/
|
||||
hb_blob_t *
|
||||
hb_ot_color_glyph_reference_blob_svg (hb_face_t *face, hb_codepoint_t glyph)
|
||||
{
|
||||
return _get_svg (face).reference_blob_for_glyph (glyph);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* PNG: CBDT or sbix
|
||||
*/
|
||||
|
||||
/**
|
||||
* hb_ot_color_has_png:
|
||||
* @face: a font face.
|
||||
*
|
||||
* Returns: whether either of CBDT or sbix tables is available.
|
||||
*
|
||||
* Since: DONTREPLACEME
|
||||
*/
|
||||
hb_bool_t
|
||||
hb_ot_color_has_png (hb_face_t *face)
|
||||
{
|
||||
return _get_cbdt (face).has_data () || _get_sbix (face).has_data ();
|
||||
}
|
||||
|
||||
/**
|
||||
* hb_ot_color_glyph_reference_blob_svg:
|
||||
* @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.
|
||||
* @strike_x_ppem: (out):
|
||||
* @strike_y_ppem: (out):
|
||||
*
|
||||
* Returns: respective png blob of the glyph, if available.
|
||||
*
|
||||
* Since: DONTREPLACEME
|
||||
*/
|
||||
hb_blob_t *
|
||||
hb_ot_color_glyph_reference_blob_png (hb_font_t *font,
|
||||
hb_codepoint_t glyph,
|
||||
unsigned int *strike_x_ppem /* OUT */,
|
||||
unsigned int *strike_y_ppem /* OUT */)
|
||||
{
|
||||
hb_blob_t *blob = hb_blob_get_empty ();
|
||||
/* don't run cbdt first if aat is set */
|
||||
if (!hb_options ().aat && _get_cbdt (font->face).has_data ())
|
||||
blob = _get_cbdt (font->face).reference_blob_for_glyph (glyph, font->x_ppem, font->y_ppem,
|
||||
strike_x_ppem, strike_y_ppem);
|
||||
|
||||
if (_get_sbix (font->face).has_data () && !hb_blob_get_length (blob))
|
||||
blob = _get_sbix (font->face).reference_blob_for_glyph (glyph, font->ptem,
|
||||
MAX (font->x_ppem, font->y_ppem),
|
||||
HB_TAG('p','n','g',' '),
|
||||
strike_x_ppem, strike_y_ppem);
|
||||
|
||||
if (hb_options ().aat && _get_cbdt (font->face).has_data () && !hb_blob_get_length (blob))
|
||||
blob = _get_cbdt (font->face).reference_blob_for_glyph (glyph, font->x_ppem, font->y_ppem,
|
||||
strike_x_ppem, strike_y_ppem);
|
||||
|
||||
return blob;
|
||||
}
|
||||
|
||||
/* To be moved to public header */
|
||||
|
||||
/*
|
||||
* SVG
|
||||
*/
|
||||
|
||||
HB_EXTERN hb_bool_t
|
||||
hb_ot_color_has_svg (hb_face_t *face);
|
||||
|
||||
HB_EXTERN hb_blob_t *
|
||||
hb_ot_color_glyph_reference_blob_svg (hb_face_t *face, hb_codepoint_t glyph);
|
||||
|
||||
/*
|
||||
* PNG: CBDT or sbix
|
||||
*/
|
||||
|
||||
HB_EXTERN hb_bool_t
|
||||
hb_ot_color_has_png (hb_face_t *face);
|
||||
|
||||
HB_EXTERN hb_blob_t *
|
||||
hb_ot_color_glyph_reference_blob_png (hb_font_t *font,
|
||||
hb_codepoint_t glyph,
|
||||
unsigned int *strike_x_ppem,
|
||||
unsigned int *strike_y_ppem);
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -94,7 +94,7 @@ HB_EXTERN hb_bool_t
|
|||
hb_ot_color_has_layers (hb_face_t *face);
|
||||
|
||||
/**
|
||||
* hb_ot_color_layer_t:
|
||||
* hb_ot_color_layer_t: Pairs of glyph and color index.
|
||||
*
|
||||
* Since: REPLACEME
|
||||
**/
|
||||
|
|
@ -111,7 +111,6 @@ hb_ot_color_glyph_get_layers (hb_face_t *face,
|
|||
unsigned int *count, /* IN/OUT. May be NULL. */
|
||||
hb_ot_color_layer_t *layers /* OUT. May be NULL. */);
|
||||
|
||||
|
||||
HB_END_DECLS
|
||||
|
||||
#endif /* HB_OT_COLOR_H */
|
||||
|
|
|
|||
|
|
@ -33,6 +33,8 @@
|
|||
#include "hb-ot-name-table.hh"
|
||||
#include "hb-ot-post-table.hh"
|
||||
#include "hb-ot-color-cbdt-table.hh"
|
||||
#include "hb-ot-color-sbix-table.hh"
|
||||
#include "hb-ot-color-svg-table.hh"
|
||||
#include "hb-ot-layout-gdef-table.hh"
|
||||
#include "hb-ot-layout-gsub-table.hh"
|
||||
#include "hb-ot-layout-gpos-table.hh"
|
||||
|
|
|
|||
|
|
@ -75,8 +75,8 @@
|
|||
HB_OT_TABLE(OT, COLR) \
|
||||
HB_OT_TABLE(OT, CPAL) \
|
||||
HB_OT_ACCELERATOR(OT, CBDT) \
|
||||
HB_OT_TABLE(OT, sbix) \
|
||||
HB_OT_TABLE(OT, SVG) \
|
||||
HB_OT_ACCELERATOR(OT, sbix) \
|
||||
HB_OT_ACCELERATOR(OT, SVG) \
|
||||
/* */
|
||||
|
||||
/* Declare tables. */
|
||||
|
|
|
|||
|
|
@ -41,10 +41,6 @@
|
|||
// Just so we compile them; unused otherwise:
|
||||
#include "hb-ot-layout-base-table.hh"
|
||||
#include "hb-ot-layout-jstf-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-kern-table.hh"
|
||||
#include "hb-ot-name-table.hh"
|
||||
|
||||
|
|
|
|||
|
|
@ -103,6 +103,7 @@ static hb_face_t *cpal = NULL;
|
|||
static hb_face_t *cbdt = NULL;
|
||||
static hb_face_t *sbix = NULL;
|
||||
static hb_face_t *svg = NULL;
|
||||
static hb_face_t *empty = NULL;
|
||||
|
||||
#define assert_color_rgba(colors, i, r, g, b, a) G_STMT_START { \
|
||||
const hb_color_t *_colors = (colors); \
|
||||
|
|
@ -203,7 +204,6 @@ test_hb_ot_color_palette_get_flags_v1 (void)
|
|||
static void
|
||||
test_hb_ot_color_palette_get_colors_empty (void)
|
||||
{
|
||||
hb_face_t *empty = hb_face_get_empty ();
|
||||
g_assert_cmpint (hb_ot_color_palette_get_colors (empty, 0, 0, NULL, NULL), ==, 0);
|
||||
}
|
||||
|
||||
|
|
@ -302,8 +302,6 @@ test_hb_ot_color_palette_get_colors_v1 (void)
|
|||
static void
|
||||
test_hb_ot_color_palette_color_get_name_id (void)
|
||||
{
|
||||
hb_face_t *empty = hb_face_get_empty ();
|
||||
|
||||
g_assert_cmpuint (hb_ot_color_palette_color_get_name_id (empty, 0), ==, HB_NAME_ID_INVALID);
|
||||
g_assert_cmpuint (hb_ot_color_palette_color_get_name_id (empty, 1), ==, HB_NAME_ID_INVALID);
|
||||
g_assert_cmpuint (hb_ot_color_palette_color_get_name_id (empty, 2), ==, HB_NAME_ID_INVALID);
|
||||
|
|
@ -349,8 +347,6 @@ test_hb_ot_color_glyph_get_layers (void)
|
|||
static void
|
||||
test_hb_ot_color_has_data (void)
|
||||
{
|
||||
hb_face_t *empty = hb_face_get_empty ();
|
||||
|
||||
g_assert (hb_ot_color_has_layers (empty) == FALSE);
|
||||
g_assert (hb_ot_color_has_layers (cpal_v0) == TRUE);
|
||||
g_assert (hb_ot_color_has_layers (cpal_v1) == TRUE);
|
||||
|
|
@ -366,8 +362,90 @@ test_hb_ot_color_has_data (void)
|
|||
g_assert (hb_ot_color_has_palettes (cbdt) == FALSE);
|
||||
g_assert (hb_ot_color_has_palettes (sbix) == FALSE);
|
||||
g_assert (hb_ot_color_has_palettes (svg) == FALSE);
|
||||
|
||||
#if 0
|
||||
g_assert (hb_ot_color_has_svg (empty) == FALSE);
|
||||
g_assert (hb_ot_color_has_svg (cpal_v0) == FALSE);
|
||||
g_assert (hb_ot_color_has_svg (cpal_v1) == FALSE);
|
||||
g_assert (hb_ot_color_has_svg (cpal) == FALSE);
|
||||
g_assert (hb_ot_color_has_svg (cbdt) == FALSE);
|
||||
g_assert (hb_ot_color_has_svg (sbix) == FALSE);
|
||||
g_assert (hb_ot_color_has_svg (svg) == TRUE);
|
||||
|
||||
g_assert (hb_ot_color_has_png (empty) == FALSE);
|
||||
g_assert (hb_ot_color_has_png (cpal_v0) == FALSE);
|
||||
g_assert (hb_ot_color_has_png (cpal_v1) == FALSE);
|
||||
g_assert (hb_ot_color_has_png (cpal) == FALSE);
|
||||
g_assert (hb_ot_color_has_png (cbdt) == TRUE);
|
||||
g_assert (hb_ot_color_has_png (sbix) == TRUE);
|
||||
g_assert (hb_ot_color_has_png (svg) == FALSE);
|
||||
#endif
|
||||
}
|
||||
|
||||
#if 0
|
||||
static void
|
||||
test_hb_ot_color_svg (void)
|
||||
{
|
||||
hb_blob_t *blob;
|
||||
|
||||
blob = hb_ot_color_glyph_reference_blob_svg (svg, 0);
|
||||
g_assert (hb_blob_get_length (blob) == 0);
|
||||
|
||||
blob = hb_ot_color_glyph_reference_blob_svg (svg, 1);
|
||||
unsigned int length;
|
||||
const char *data = hb_blob_get_data (blob, &length);
|
||||
g_assert_cmpuint (length, ==, 146);
|
||||
g_assert (strncmp (data, "<?xml", 4) == 0);
|
||||
g_assert (strncmp (data + 140, "</svg>", 5) == 0);
|
||||
hb_blob_destroy (blob);
|
||||
|
||||
blob = hb_ot_color_glyph_reference_blob_svg (empty, 0);
|
||||
g_assert (hb_blob_get_length (blob) == 0);
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
test_hb_ot_color_png (void)
|
||||
{
|
||||
hb_blob_t *blob;
|
||||
unsigned int length;
|
||||
const char *data;
|
||||
unsigned int strike_x_ppem, strike_y_ppem;
|
||||
|
||||
/* sbix */
|
||||
hb_font_t *sbix_font;
|
||||
sbix_font = hb_font_create (sbix);
|
||||
blob = hb_ot_color_glyph_reference_blob_png (sbix_font, 0, NULL, NULL);
|
||||
g_assert (hb_blob_get_length (blob) == 0);
|
||||
|
||||
blob = hb_ot_color_glyph_reference_blob_png (sbix_font, 1,
|
||||
&strike_x_ppem, &strike_y_ppem);
|
||||
data = hb_blob_get_data (blob, &length);
|
||||
g_assert_cmpuint (length, ==, 224);
|
||||
g_assert_cmpuint (strike_x_ppem, ==, 300);
|
||||
g_assert_cmpuint (strike_y_ppem, ==, 300);
|
||||
g_assert (strncmp (data + 1, "PNG", 3) == 0);
|
||||
hb_blob_destroy (blob);
|
||||
hb_font_destroy (sbix_font);
|
||||
|
||||
/* cbdt */
|
||||
hb_font_t *cbdt_font;
|
||||
cbdt_font = hb_font_create (cbdt);
|
||||
blob = hb_ot_color_glyph_reference_blob_png (cbdt_font, 0, NULL, NULL);
|
||||
g_assert (hb_blob_get_length (blob) == 0);
|
||||
|
||||
blob = hb_ot_color_glyph_reference_blob_png (cbdt_font, 1,
|
||||
&strike_x_ppem, &strike_y_ppem);
|
||||
data = hb_blob_get_data (blob, &length);
|
||||
g_assert_cmpuint (length, ==, 88);
|
||||
g_assert_cmpuint (strike_x_ppem, ==, 80);
|
||||
g_assert_cmpuint (strike_y_ppem, ==, 80);
|
||||
g_assert (strncmp (data + 1, "PNG", 3) == 0);
|
||||
hb_blob_destroy (blob);
|
||||
hb_font_destroy (cbdt_font);
|
||||
}
|
||||
#endif
|
||||
|
||||
int
|
||||
main (int argc, char **argv)
|
||||
{
|
||||
|
|
@ -380,6 +458,7 @@ main (int argc, char **argv)
|
|||
cbdt = hb_test_open_font_file ("fonts/chromacheck-cbdt.ttf");
|
||||
sbix = hb_test_open_font_file ("fonts/chromacheck-sbix.ttf");
|
||||
svg = hb_test_open_font_file ("fonts/chromacheck-svg.ttf");
|
||||
empty = hb_face_get_empty ();
|
||||
hb_test_add (test_hb_ot_color_palette_get_count);
|
||||
hb_test_add (test_hb_ot_color_palette_get_name_id_empty);
|
||||
hb_test_add (test_hb_ot_color_palette_get_name_id_v0);
|
||||
|
|
@ -393,6 +472,8 @@ main (int argc, char **argv)
|
|||
hb_test_add (test_hb_ot_color_palette_color_get_name_id);
|
||||
hb_test_add (test_hb_ot_color_glyph_get_layers);
|
||||
hb_test_add (test_hb_ot_color_has_data);
|
||||
// hb_test_add (test_hb_ot_color_png);
|
||||
// hb_test_add (test_hb_ot_color_svg);
|
||||
status = hb_test_run();
|
||||
hb_face_destroy (cpal_v0);
|
||||
hb_face_destroy (cpal_v1);
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue