97 lines
4.3 KiB
C
97 lines
4.3 KiB
C
/* This is where the awesome is -- Apple's Tiger Core Text spread bare for
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the world, like the hottest nerd centerfold ever. This also includes
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necessarily some of the private Core Graphics methods also in 10.4. */
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/* Dear Apple, in case you are reading:
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- I intentionally did NOT look at the API headers from Leopard while
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working on this so that I would not be affected by them. This permits
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this to be distributed Tri-License MPL/GPL/LGPL honestly, because it
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is all my own hard, slavish work, and not an Apple proprietary file.
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- This only includes what I need to get this version of Mozilla to build.
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There are lots of other symbols defined that I don't need here.
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- Symbols were dumped initially with nm, and then otool to reconstruct
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the actual calling conventions and structs. Where I could just derive
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them from Mozilla code, they are just that (there were some gimmes), and
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therefore use NSPR types instead of C types.
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- Don't sue me. I love you. I want to have Steve's babies (if I were
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physically capable). I didn't steal your code. Did I mention Stevespawn?
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- Well, okay, maybe not his *babies*. How about cleaning out their old
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machines closet? I can give that old TAM a home. Get it? That was a
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really cool anime joke. Please don't sue people who can make really cool
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anime jokes.
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Cameron Kaiser */
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#ifndef __PHONYCORETEXT_H
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#define __PHONYCORETEXT_H
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#ifdef __cplusplus
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#define __CKEXTERN extern "C"
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#define __CKEXTERNBEGIN extern "C" {
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#define __CKEXTERNEND }
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#else
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#define __CKEXTERN extern
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#define __CKEXTERNBEGIN
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#define __CKEXTERNEND
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#endif
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#include <CoreFoundation/CFArray.h>
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#include <CoreFoundation/CFData.h>
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#include <CoreFoundation/CFDictionary.h>
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__CKEXTERNBEGIN
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/* Hidden bits and private methods in CoreGraphics that we need */
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/* Unfortunately, we still have to use ATSUI workarounds for tables bleh */
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/* typedef float CGFloat; */ /* uncomment if needed */
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__CKEXTERN uint32_t CGFontGetUnitsPerEm(CGFontRef font);
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__CKEXTERN bool CGFontGetGlyphAdvances(CGFontRef font, const CGGlyph glyphs[], size_t count, int advances[]);
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/* CoreText private framework */
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/* Approximately in order as they appear in gfxCoreTextShaper */
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/* Descriptors */
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typedef const struct __CTFontDescriptor *CTFontDescriptorRef; /* opaque */
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__CKEXTERN const CFStringRef kCTFontFeatureTypeIdentifierKey;
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__CKEXTERN const CFStringRef kCTFontFeatureSelectorIdentifierKey;
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__CKEXTERN const CFStringRef kCTFontFeatureSettingsAttribute;
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__CKEXTERN CTFontDescriptorRef CTFontDescriptorCreateWithAttributes(CFDictionaryRef attribs);
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/* we do not have CTFontDescriptorCreateCopyWithAttributes, but we can't
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do ligatures anyway, see Runs */
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/* Fonts */
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typedef const struct __CTFont *CTFontRef; /* opaque */
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__CKEXTERN CTFontRef CTFontCreateWithPlatformFont(ATSFontRef atsfont, float size, const CGAffineTransform *atrans, CTFontDescriptorRef attribs);
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__CKEXTERN CTFontRef CTFontCreateWithGraphicsFont(CGFontRef cgfont, float size, const CGAffineTransform *atrans, CTFontDescriptorRef attribs);
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__CKEXTERN const CFStringRef kCTFontAttributeName;
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__CKEXTERN float CTFontGetSize(CTFontRef font);
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/* Lines */
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typedef const struct __CTLine *CTLineRef; /* opaque */
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__CKEXTERN CTLineRef CTLineCreateWithAttributedString(CFAttributedStringRef str);
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__CKEXTERN CFArrayRef CTLineGetGlyphRuns(CTLineRef line);
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/* Runs */
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typedef const struct __CTRun *CTRunRef; /* opaque */
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__CKEXTERN int32_t CTRunGetGlyphCount(CTRunRef run);
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__CKEXTERN CFRange CTRunGetStringRange(CTRunRef run);
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__CKEXTERN const CGGlyph *CTRunGetGlyphsPtr(CTRunRef run);
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__CKEXTERN void CTRunGetGlyphs(CTRunRef run, CFRange range, CGGlyph glyphs[]);
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/* we do not have CTRunGetPositionsPtr and friends; we cannot reposition.
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I might do an ATSUI workaround for this if I am really, really prodded.
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However, we can duplicate a lot of it with CTRunGetAdvancesPtr etc. */
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__CKEXTERN const CGSize *CTRunGetAdvancesPtr(CTRunRef run);
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__CKEXTERN void CTRunGetAdvances(CTRunRef run, CFRange range, CGSize advances[]);
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__CKEXTERN const CFIndex *CTRunGetStringIndicesPtr(CTRunRef run);
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__CKEXTERN void CTRunGetStringIndices(CTRunRef run, CFRange range, CFIndex si[]);
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__CKEXTERN double CTRunGetTypographicBounds(CTRunRef run, CFRange range, float *x, float *y, float *z); /* I suspect ascent/descent/leading */
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__CKEXTERNEND
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#endif /* __PHONYCORETEXT_H */
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