mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
126 lines
4.0 KiB
C++
126 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "ScaledFontMac.h"
|
|
#ifdef USE_SKIA
|
|
#include "PathSkia.h"
|
|
#include "skia/SkPaint.h"
|
|
#include "skia/SkPath.h"
|
|
#include "skia/SkTypeface_mac.h"
|
|
#endif
|
|
#include "DrawTargetCG.h"
|
|
#include <vector>
|
|
#include <dlfcn.h>
|
|
|
|
// prototype for private API
|
|
extern "C" {
|
|
CGPathRef CGFontGetGlyphPath(CGFontRef fontRef, CGAffineTransform *textTransform, int unknown, CGGlyph glyph);
|
|
};
|
|
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
ScaledFontMac::CTFontDrawGlyphsFuncT* ScaledFontMac::CTFontDrawGlyphsPtr = nullptr;
|
|
bool ScaledFontMac::sSymbolLookupDone = false;
|
|
|
|
ScaledFontMac::ScaledFontMac(CGFontRef aFont, Float aSize)
|
|
: ScaledFontBase(aSize)
|
|
{
|
|
if (!sSymbolLookupDone) {
|
|
CTFontDrawGlyphsPtr =
|
|
(CTFontDrawGlyphsFuncT*)dlsym(RTLD_DEFAULT, "CTFontDrawGlyphs");
|
|
sSymbolLookupDone = true;
|
|
}
|
|
|
|
// XXX: should we be taking a reference
|
|
mFont = CGFontRetain(aFont);
|
|
if (CTFontDrawGlyphsPtr != nullptr) {
|
|
// only create mCTFont if we're going to be using the CTFontDrawGlyphs API
|
|
mCTFont = CTFontCreateWithGraphicsFont(aFont, aSize, nullptr, nullptr);
|
|
} else {
|
|
mCTFont = nullptr;
|
|
}
|
|
}
|
|
|
|
ScaledFontMac::~ScaledFontMac()
|
|
{
|
|
if (mCTFont) {
|
|
CFRelease(mCTFont);
|
|
}
|
|
CGFontRelease(mFont);
|
|
}
|
|
|
|
#ifdef USE_SKIA
|
|
SkTypeface* ScaledFontMac::GetSkTypeface()
|
|
{
|
|
if (!mTypeface) {
|
|
if (mCTFont) {
|
|
mTypeface = SkCreateTypefaceFromCTFont(mCTFont);
|
|
} else {
|
|
CTFontRef fontFace = CTFontCreateWithGraphicsFont(mFont, mSize, nullptr, nullptr);
|
|
mTypeface = SkCreateTypefaceFromCTFont(fontFace);
|
|
CFRelease(fontFace);
|
|
}
|
|
}
|
|
return mTypeface;
|
|
}
|
|
#endif
|
|
|
|
// private API here are the public options on OS X
|
|
// CTFontCreatePathForGlyph
|
|
// ATSUGlyphGetCubicPaths
|
|
// we've used this in cairo sucessfully for some time.
|
|
// Note: cairo dlsyms it. We could do that but maybe it's
|
|
// safe just to use?
|
|
|
|
TemporaryRef<Path>
|
|
ScaledFontMac::GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget)
|
|
{
|
|
if (aTarget->GetType() == BACKEND_COREGRAPHICS || aTarget->GetType() == BACKEND_COREGRAPHICS_ACCELERATED) {
|
|
CGMutablePathRef path = CGPathCreateMutable();
|
|
|
|
for (unsigned int i = 0; i < aBuffer.mNumGlyphs; i++) {
|
|
// XXX: we could probably fold both of these transforms together to avoid extra work
|
|
CGAffineTransform flip = CGAffineTransformMakeScale(1, -1);
|
|
CGPathRef glyphPath = ::CGFontGetGlyphPath(mFont, &flip, 0, aBuffer.mGlyphs[i].mIndex);
|
|
|
|
CGAffineTransform matrix = CGAffineTransformMake(mSize, 0, 0, mSize,
|
|
aBuffer.mGlyphs[i].mPosition.x,
|
|
aBuffer.mGlyphs[i].mPosition.y);
|
|
CGPathAddPath(path, &matrix, glyphPath);
|
|
CGPathRelease(glyphPath);
|
|
}
|
|
TemporaryRef<Path> ret = new PathCG(path, FILL_WINDING);
|
|
CGPathRelease(path);
|
|
return ret;
|
|
} else {
|
|
return ScaledFontBase::GetPathForGlyphs(aBuffer, aTarget);
|
|
}
|
|
}
|
|
|
|
void
|
|
ScaledFontMac::CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder)
|
|
{
|
|
PathBuilderCG *pathBuilderCG =
|
|
static_cast<PathBuilderCG*>(aBuilder);
|
|
// XXX: check builder type
|
|
for (unsigned int i = 0; i < aBuffer.mNumGlyphs; i++) {
|
|
// XXX: we could probably fold both of these transforms together to avoid extra work
|
|
CGAffineTransform flip = CGAffineTransformMakeScale(1, -1);
|
|
CGPathRef glyphPath = ::CGFontGetGlyphPath(mFont, &flip, 0, aBuffer.mGlyphs[i].mIndex);
|
|
|
|
CGAffineTransform matrix = CGAffineTransformMake(mSize, 0, 0, mSize,
|
|
aBuffer.mGlyphs[i].mPosition.x,
|
|
aBuffer.mGlyphs[i].mPosition.y);
|
|
CGPathAddPath(pathBuilderCG->mCGPath, &matrix, glyphPath);
|
|
CGPathRelease(glyphPath);
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
}
|