зеркало из https://github.com/mozilla/pjs.git
113 строки
3.9 KiB
C++
113 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla Corporation code.
|
|
*
|
|
* The Initial Developer of the Original Code is Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2011
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Matt Woodrow <mwoodrow@mozilla.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#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>
|
|
|
|
// prototype for private API
|
|
extern "C" {
|
|
CGPathRef CGFontGetGlyphPath(CGFontRef fontRef, CGAffineTransform *textTransform, int unknown, CGGlyph glyph);
|
|
};
|
|
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
ScaledFontMac::ScaledFontMac(CGFontRef aFont, Float aSize)
|
|
: ScaledFontBase(aSize)
|
|
{
|
|
// XXX: should we be taking a reference
|
|
mFont = CGFontRetain(aFont);
|
|
}
|
|
|
|
ScaledFontMac::~ScaledFontMac()
|
|
{
|
|
CGFontRelease(mFont);
|
|
}
|
|
|
|
#ifdef USE_SKIA
|
|
SkTypeface* ScaledFontMac::GetSkTypeface()
|
|
{
|
|
if (!mTypeface) {
|
|
CTFontRef fontFace = CTFontCreateWithGraphicsFont(mFont, mSize, NULL, NULL);
|
|
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) {
|
|
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);
|
|
}
|
|
return new PathCG(path, FILL_WINDING);
|
|
} else {
|
|
return ScaledFontBase::GetPathForGlyphs(aBuffer, aTarget);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|