skia2/gm/drawlooper.cpp
Mike Klein 33d2055e59 GM: some header cleanup
gm.h includes sk_tool_utils.h but does not use it.

The bulk of this CL makes each gm that uses sk_tool_utils include it.

sk_tool_utils.h also provided SkRandom and SkTDArray,
so a couple GMs add those headers too.

Change-Id: Ieb2a7c542f0ca89c3223f744fc11b0ff37af36c1
Reviewed-on: https://skia-review.googlesource.com/10014
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Herb Derby <herb@google.com>
2017-03-22 18:11:49 +00:00

94 lines
2.7 KiB
C++

/*
* Copyright 2011 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 "sk_tool_utils.h"
#include "SkBlurMask.h"
#include "SkBlurMaskFilter.h"
#include "SkCanvas.h"
#include "SkGraphics.h"
#include "SkLayerDrawLooper.h"
#include "SkRandom.h"
#define WIDTH 200
#define HEIGHT 200
class DrawLooperGM : public skiagm::GM {
public:
DrawLooperGM() : fLooper(nullptr) {
this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
}
protected:
virtual SkISize onISize() override {
return SkISize::Make(520, 160);
}
SkString onShortName() override {
return SkString("drawlooper");
}
void onDraw(SkCanvas* canvas) override {
this->init();
SkPaint paint;
paint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&paint);
paint.setTextSize(SkIntToScalar(72));
paint.setLooper(fLooper);
canvas->drawCircle(50, 50, 30, paint);
canvas->drawRect({ 150, 50, 200, 100 }, paint);
canvas->drawText("Looper", 6, 230, 100, paint);
}
private:
sk_sp<SkDrawLooper> fLooper;
void init() {
if (fLooper) return;
constexpr struct {
SkColor fColor;
SkPaint::Style fStyle;
SkScalar fWidth;
SkScalar fOffset;
SkScalar fBlur;
} gParams[] = {
{ SK_ColorWHITE, SkPaint::kStroke_Style, SkIntToScalar(1)*3/4, 0, 0 },
{ SK_ColorRED, SkPaint::kStroke_Style, SkIntToScalar(4), 0, 0 },
{ SK_ColorBLUE, SkPaint::kFill_Style, 0, 0, 0 },
{ 0x88000000, SkPaint::kFill_Style, 0, SkIntToScalar(10), SkIntToScalar(3) }
};
SkLayerDrawLooper::Builder looperBuilder;
SkLayerDrawLooper::LayerInfo info;
info.fPaintBits = SkLayerDrawLooper::kStyle_Bit | SkLayerDrawLooper::kMaskFilter_Bit;
info.fColorMode = SkBlendMode::kSrc;
for (size_t i = 0; i < SK_ARRAY_COUNT(gParams); i++) {
info.fOffset.set(gParams[i].fOffset, gParams[i].fOffset);
SkPaint* paint = looperBuilder.addLayer(info);
paint->setColor(gParams[i].fColor);
paint->setStyle(gParams[i].fStyle);
paint->setStrokeWidth(gParams[i].fWidth);
if (gParams[i].fBlur > 0) {
paint->setMaskFilter(SkBlurMaskFilter::Make(kNormal_SkBlurStyle,
SkBlurMask::ConvertRadiusToSigma(gParams[i].fBlur)));
}
}
fLooper = looperBuilder.detach();
}
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM( return new DrawLooperGM; )