зеркало из https://github.com/mozilla/gecko-dev.git
139 строки
4.4 KiB
C++
139 строки
4.4 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 ***** */
|
|
|
|
#ifndef MOZILLA_GFX_HELPERSSKIA_H_
|
|
#define MOZILLA_GFX_HELPERSSKIA_H_
|
|
|
|
#include "2D.h"
|
|
#include "skia/SkCanvas.h"
|
|
#include "skia/SkDashPathEffect.h"
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
static inline SkBitmap::Config
|
|
GfxFormatToSkiaConfig(SurfaceFormat format)
|
|
{
|
|
switch (format)
|
|
{
|
|
case FORMAT_B8G8R8A8:
|
|
return SkBitmap::kARGB_8888_Config;
|
|
case FORMAT_B8G8R8X8:
|
|
// We probably need to do something here.
|
|
return SkBitmap::kARGB_8888_Config;
|
|
case FORMAT_R5G6B5:
|
|
return SkBitmap::kRGB_565_Config;
|
|
case FORMAT_A8:
|
|
return SkBitmap::kA8_Config;
|
|
|
|
}
|
|
|
|
return SkBitmap::kARGB_8888_Config;
|
|
}
|
|
|
|
static inline void
|
|
GfxMatrixToSkiaMatrix(const Matrix& mat, SkMatrix& retval)
|
|
{
|
|
retval.setAll(SkFloatToScalar(mat._11), SkFloatToScalar(mat._21), SkFloatToScalar(mat._31),
|
|
SkFloatToScalar(mat._12), SkFloatToScalar(mat._22), SkFloatToScalar(mat._32),
|
|
0, 0, SK_Scalar1);
|
|
}
|
|
|
|
static inline SkPaint::Cap
|
|
CapStyleToSkiaCap(CapStyle aCap)
|
|
{
|
|
switch (aCap)
|
|
{
|
|
case CAP_BUTT:
|
|
return SkPaint::kButt_Cap;
|
|
case CAP_ROUND:
|
|
return SkPaint::kRound_Cap;
|
|
case CAP_SQUARE:
|
|
return SkPaint::kSquare_Cap;
|
|
}
|
|
return SkPaint::kDefault_Cap;
|
|
}
|
|
|
|
static inline SkPaint::Join
|
|
JoinStyleToSkiaJoin(JoinStyle aJoin)
|
|
{
|
|
switch (aJoin)
|
|
{
|
|
case JOIN_BEVEL:
|
|
return SkPaint::kBevel_Join;
|
|
case JOIN_ROUND:
|
|
return SkPaint::kRound_Join;
|
|
case JOIN_MITER:
|
|
case JOIN_MITER_OR_BEVEL:
|
|
return SkPaint::kMiter_Join;
|
|
}
|
|
return SkPaint::kDefault_Join;
|
|
}
|
|
|
|
static inline bool
|
|
StrokeOptionsToPaint(SkPaint& aPaint, const StrokeOptions &aOptions)
|
|
{
|
|
// Skia rendewrs 0 width strokes with a width of 1 (and in black),
|
|
// so we should just skip the draw call entirely.
|
|
if (!aOptions.mLineWidth) {
|
|
return false;
|
|
}
|
|
aPaint.setStrokeWidth(SkFloatToScalar(aOptions.mLineWidth));
|
|
aPaint.setStrokeMiter(SkFloatToScalar(aOptions.mMiterLimit));
|
|
aPaint.setStrokeCap(CapStyleToSkiaCap(aOptions.mLineCap));
|
|
aPaint.setStrokeJoin(JoinStyleToSkiaJoin(aOptions.mLineJoin));
|
|
if (aOptions.mDashLength > 1) {
|
|
std::vector<SkScalar> pattern;
|
|
pattern.resize(aOptions.mDashLength);
|
|
for (uint32_t i = 0; i < aOptions.mDashLength; i++) {
|
|
pattern[i] = SkFloatToScalar(aOptions.mDashPattern[i]);
|
|
}
|
|
|
|
SkDashPathEffect* dash = new SkDashPathEffect(&pattern.front(),
|
|
aOptions.mDashLength,
|
|
SkFloatToScalar(aOptions.mDashOffset));
|
|
SkSafeUnref(aPaint.setPathEffect(dash));
|
|
}
|
|
aPaint.setStyle(SkPaint::kStroke_Style);
|
|
return true;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
#endif /* MOZILLA_GFX_HELPERSSKIA_H_ */
|