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113 lines
3.9 KiB
C++
113 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Matt Woodrow <mwoodrow@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "ScaledFontMac.h"
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#ifdef USE_SKIA
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#include "PathSkia.h"
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#include "skia/SkPaint.h"
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#include "skia/SkPath.h"
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#include "skia/SkTypeface_mac.h"
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#endif
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#include "DrawTargetCG.h"
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#include <vector>
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// prototype for private API
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extern "C" {
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CGPathRef CGFontGetGlyphPath(CGFontRef fontRef, CGAffineTransform *textTransform, int unknown, CGGlyph glyph);
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};
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namespace mozilla {
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namespace gfx {
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ScaledFontMac::ScaledFontMac(CGFontRef aFont, Float aSize)
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: ScaledFontBase(aSize)
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{
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// XXX: should we be taking a reference
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mFont = CGFontRetain(aFont);
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}
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ScaledFontMac::~ScaledFontMac()
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{
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CGFontRelease(mFont);
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}
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#ifdef USE_SKIA
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SkTypeface* ScaledFontMac::GetSkTypeface()
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{
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if (!mTypeface) {
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CTFontRef fontFace = CTFontCreateWithGraphicsFont(mFont, mSize, NULL, NULL);
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mTypeface = SkCreateTypefaceFromCTFont(fontFace);
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CFRelease(fontFace);
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}
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return mTypeface;
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}
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#endif
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// private API here are the public options on OS X
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// CTFontCreatePathForGlyph
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// ATSUGlyphGetCubicPaths
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// we've used this in cairo sucessfully for some time.
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// Note: cairo dlsyms it. We could do that but maybe it's
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// safe just to use?
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TemporaryRef<Path>
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ScaledFontMac::GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget)
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{
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if (aTarget->GetType() == BACKEND_COREGRAPHICS) {
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CGMutablePathRef path = CGPathCreateMutable();
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for (unsigned int i = 0; i < aBuffer.mNumGlyphs; i++) {
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// XXX: we could probably fold both of these transforms together to avoid extra work
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CGAffineTransform flip = CGAffineTransformMakeScale(1, -1);
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CGPathRef glyphPath = ::CGFontGetGlyphPath(mFont, &flip, 0, aBuffer.mGlyphs[i].mIndex);
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CGAffineTransform matrix = CGAffineTransformMake(mSize, 0, 0, mSize,
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aBuffer.mGlyphs[i].mPosition.x,
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aBuffer.mGlyphs[i].mPosition.y);
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CGPathAddPath(path, &matrix, glyphPath);
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CGPathRelease(glyphPath);
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}
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return new PathCG(path, FILL_WINDING);
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} else {
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return ScaledFontBase::GetPathForGlyphs(aBuffer, aTarget);
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}
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}
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}
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}
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