4b8f802255
This reverts commit dd50c83b5b34dab3a077741861b50ed1f2bc6b8f. BUG=skia: R=scroggo@google.com Author: reed@google.com Review URL: https://codereview.chromium.org/288343009 git-svn-id: http://skia.googlecode.com/svn/trunk@14830 2bbb7eff-a529-9590-31e7-b0007b416f81
111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
|
|
/*
|
|
* Copyright 2013 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
#include "gm.h"
|
|
#include "SkGradientShader.h"
|
|
|
|
using namespace skiagm;
|
|
|
|
struct GradData {
|
|
int fCount;
|
|
const SkColor* fColors;
|
|
const SkScalar* fPos;
|
|
};
|
|
|
|
static const SkColor gColors[] = {
|
|
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK,
|
|
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK,
|
|
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK,
|
|
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK,
|
|
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK,
|
|
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK,
|
|
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK,
|
|
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK,
|
|
};
|
|
|
|
//static const SkScalar gPos[] = { SK_Scalar1*999/2000, SK_Scalar1*1001/2000 };
|
|
|
|
static const GradData gGradData[] = {
|
|
{ 40, gColors, NULL },
|
|
// { 2, gColors, gPos },
|
|
// { 2, gCol2, NULL },
|
|
};
|
|
|
|
static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data, SkShader::TileMode tm) {
|
|
return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos, data.fCount, tm);
|
|
}
|
|
|
|
static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data, SkShader::TileMode tm) {
|
|
SkPoint center;
|
|
center.set(SkScalarAve(pts[0].fX, pts[1].fX),
|
|
SkScalarAve(pts[0].fY, pts[1].fY));
|
|
return SkGradientShader::CreateRadial(center, center.fX, data.fColors,
|
|
data.fPos, data.fCount, tm);
|
|
}
|
|
|
|
static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data, SkShader::TileMode) {
|
|
SkPoint center;
|
|
center.set(SkScalarAve(pts[0].fX, pts[1].fX),
|
|
SkScalarAve(pts[0].fY, pts[1].fY));
|
|
return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors, data.fPos, data.fCount);
|
|
}
|
|
|
|
|
|
typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data, SkShader::TileMode tm);
|
|
|
|
static const GradMaker gGradMakers[] = {
|
|
MakeLinear, MakeRadial, MakeSweep,
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
class GradientsGM : public GM {
|
|
public:
|
|
GradientsGM() {
|
|
this->setBGColor(0xFFDDDDDD);
|
|
}
|
|
|
|
protected:
|
|
virtual uint32_t onGetFlags() const SK_OVERRIDE {
|
|
return kSkipTiled_Flag;
|
|
}
|
|
|
|
SkString onShortName() SK_OVERRIDE { return SkString("gradient_dirty_laundry"); }
|
|
virtual SkISize onISize() SK_OVERRIDE { return make_isize(640, 615); }
|
|
|
|
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
|
|
SkPoint pts[2] = { { 0, 0 },
|
|
{ SkIntToScalar(100), SkIntToScalar(100) }
|
|
};
|
|
SkShader::TileMode tm = SkShader::kClamp_TileMode;
|
|
SkRect r = { 0, 0, SkIntToScalar(100), SkIntToScalar(100) };
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
|
|
canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) {
|
|
canvas->save();
|
|
for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) {
|
|
SkShader* shader = gGradMakers[j](pts, gGradData[i], tm);
|
|
paint.setShader(shader)->unref();
|
|
canvas->drawRect(r, paint);
|
|
canvas->translate(0, SkIntToScalar(120));
|
|
}
|
|
canvas->restore();
|
|
canvas->translate(SkIntToScalar(120), 0);
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef GM INHERITED;
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
static GM* MyFactory(void*) { return new GradientsGM; }
|
|
static GMRegistry reg(MyFactory);
|