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Change: Allow TrueType fonts to provide our private-use glyphs.

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This commit is contained in:
Michael Lutz
2023-12-16 00:06:19 +01:00
parent 37610af0e4
commit 6e766a2e81
11 changed files with 29 additions and 27 deletions
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6
src/os/macosx/string_osx.cpp
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@@ -189,9 +189,9 @@ static CTRunDelegateCallbacks _sprite_font_callback = {
CFAttributedStringSetAttribute(str.get(), CFRangeMake(last, i.first - last), kCTForegroundColorAttributeName, color);
CGColorRelease(color);
/* Install a size callback for our special sprite glyphs. */
/* Install a size callback for our special private-use sprite glyphs in case the font does not provide them. */
for (ssize_t c = last; c < i.first; c++) {
if (buff[c] >= SCC_SPRITE_START && buff[c] <= SCC_SPRITE_END) {
if (buff[c] >= SCC_SPRITE_START && buff[c] <= SCC_SPRITE_END && i.second->fc->MapCharToGlyph(buff[c], false) == 0) {
CFAutoRelease<CTRunDelegateRef> del(CTRunDelegateCreate(&_sprite_font_callback, (void *)(size_t)(buff[c] | (i.second->fc->GetSize() << 24))));
CFAttributedStringSetAttribute(str.get(), CFRangeMake(c, 1), kCTRunDelegateAttributeName, del.get());
}
@@ -242,7 +242,7 @@ CoreTextParagraphLayout::CoreTextVisualRun::CoreTextVisualRun(CTRunRef run, Font
CGGlyph gl[this->glyphs.size()];
CTRunGetGlyphs(run, CFRangeMake(0, 0), gl);
for (size_t i = 0; i < this->glyphs.size(); i++) {
if (buff[this->glyph_to_char[i]] >= SCC_SPRITE_START && buff[this->glyph_to_char[i]] <= SCC_SPRITE_END) {
if (buff[this->glyph_to_char[i]] >= SCC_SPRITE_START && buff[this->glyph_to_char[i]] <= SCC_SPRITE_END && gl[i] == 0) {
this->glyphs[i] = font->fc->MapCharToGlyph(buff[this->glyph_to_char[i]]);
this->positions[i * 2 + 0] = pts[i].x;
this->positions[i * 2 + 1] = (font->fc->GetHeight() - ScaleSpriteTrad(FontCache::GetDefaultFontHeight(font->fc->GetSize()))) / 2; // Align sprite font to centre