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log some failures (nw)

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This commit is contained in:
Vas Crabb 2017-08-05 20:59:18 +10:00
parent 658e5a1da2
commit db69883e64
1 changed files with 37 additions and 28 deletions
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23
src/osd/modules/font/font_osx.cpp
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@ -122,14 +122,24 @@ bool osd_font_osx::get_bitmap(char32_t chnum, bitmap_argb32 &bitmap, std::int32_
UniChar const uni_char(chnum);
CFIndex const count(1);
CGGlyph glyph;
CTFontGetGlyphsForCharacters(m_font, &uni_char, &glyph, count);
if (!CTFontGetGlyphsForCharacters(m_font, &uni_char, &glyph, count))
{
osd_printf_verbose("osd_font_osd::get_bitmap: failed to get glyph for U+%04X\n", unsigned(chnum));
return false;
}
// try to get glyph bounds
CGRect bounds;
if (CGRectEqualToRect(CTFontGetBoundingRectsForGlyphs(m_font, kCTFontHorizontalOrientation, &glyph, &bounds, count), CGRectNull))
{
osd_printf_verbose("osd_font_osd::get_bitmap: failed to get glyph bounds for U+%04X\n", unsigned(chnum));
return false;
}
// try to get metrics
CGRect const bounds(CTFontGetBoundingRectsForGlyphs(m_font, kCTFontDefaultOrientation, &glyph, nullptr, count));
CGSize advance;
CTFontGetAdvancesForGlyphs(m_font, kCTFontDefaultOrientation, &glyph, &advance, count);
if (!CGRectEqualToRect(bounds, CGRectNull))
{
CTFontGetAdvancesForGlyphs(m_font, kCTFontHorizontalOrientation, &glyph, &advance, count);
// turn everything into integers for MAME and allocate output bitmap
std::size_t const bitmap_width(std::max(std::ceil(bounds.size.width), CGFloat(1.0)));
std::size_t const bitmap_height(m_height);
@ -138,7 +148,7 @@ bool osd_font_osx::get_bitmap(char32_t chnum, bitmap_argb32 &bitmap, std::int32_
yoffs = 0;
bitmap.allocate(bitmap_width, bitmap_height);
// create graphics context
// create graphics context and draw
CGBitmapInfo const bitmap_info(kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst);
CGColorSpaceRef const color_space(CGColorSpaceCreateDeviceRGB());
CGContextRef const context_ref(CGBitmapContextCreate(bitmap.raw_pixptr(0), bitmap_width, bitmap_height, 8, bitmap.rowpixels() * 4, color_space, bitmap_info));
@ -154,7 +164,6 @@ bool osd_font_osx::get_bitmap(char32_t chnum, bitmap_argb32 &bitmap, std::int32_
CGContextRelease(context_ref);
}
CGColorSpaceRelease(color_space);
}
// bitmap will be valid if we drew to it
return bitmap.valid();