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98 lines
3.4 KiB
C++
98 lines
3.4 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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* Bas Schouten <bschouten@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 "ScaledFontDWrite.h"
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#include "PathD2D.h"
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#include <vector>
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namespace mozilla {
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namespace gfx {
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TemporaryRef<Path>
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ScaledFontDWrite::GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget)
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{
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if (aTarget->GetType() != BACKEND_DIRECT2D) {
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// For now we only support Direct2D.
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return NULL;
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}
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RefPtr<PathBuilder> pathBuilder = aTarget->CreatePathBuilder();
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PathBuilderD2D *pathBuilderD2D =
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static_cast<PathBuilderD2D*>(pathBuilder.get());
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CopyGlyphsToSink(aBuffer, pathBuilderD2D->GetSink());
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return pathBuilder->Finish();
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}
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void
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ScaledFontDWrite::CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder)
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{
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// XXX - Check path builder type!
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PathBuilderD2D *pathBuilderD2D =
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static_cast<PathBuilderD2D*>(aBuilder);
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CopyGlyphsToSink(aBuffer, pathBuilderD2D->GetSink());
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}
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void
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ScaledFontDWrite::CopyGlyphsToSink(const GlyphBuffer &aBuffer, ID2D1GeometrySink *aSink)
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{
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std::vector<UINT16> indices;
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std::vector<FLOAT> advances;
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std::vector<DWRITE_GLYPH_OFFSET> offsets;
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indices.resize(aBuffer.mNumGlyphs);
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advances.resize(aBuffer.mNumGlyphs);
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offsets.resize(aBuffer.mNumGlyphs);
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memset(&advances.front(), 0, sizeof(FLOAT) * aBuffer.mNumGlyphs);
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for (unsigned int i = 0; i < aBuffer.mNumGlyphs; i++) {
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indices[i] = aBuffer.mGlyphs[i].mIndex;
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offsets[i].advanceOffset = aBuffer.mGlyphs[i].mPosition.x;
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offsets[i].ascenderOffset = -aBuffer.mGlyphs[i].mPosition.y;
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}
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mFontFace->GetGlyphRunOutline(mSize, &indices.front(), &advances.front(),
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&offsets.front(), aBuffer.mNumGlyphs,
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FALSE, FALSE, aSink);
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}
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}
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}
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