ae933ce0ea
This CL is part III of IV (I broke down the 1280 files into 4 CLs). Review URL: https://codereview.appspot.com/6475053 git-svn-id: http://skia.googlecode.com/svn/trunk@5264 2bbb7eff-a529-9590-31e7-b0007b416f81
96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SampleCode.h"
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#include "SkView.h"
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#include "SkCanvas.h"
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#include "SkGraphics.h"
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#include "SkRandom.h"
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#include "SkDashPathEffect.h"
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#include "SkShader.h"
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static void setBitmapDash(SkPaint* paint, int width) {
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SkColor c = paint->getColor();
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SkBitmap bm;
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bm.setConfig(SkBitmap::kARGB_8888_Config, 2, 1);
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bm.allocPixels();
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bm.lockPixels();
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*bm.getAddr32(0, 0) = SkPreMultiplyARGB(0xFF, SkColorGetR(c),
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SkColorGetG(c), SkColorGetB(c));
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*bm.getAddr32(1, 0) = 0;
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bm.unlockPixels();
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SkMatrix matrix;
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matrix.setScale(SkIntToScalar(width), SK_Scalar1);
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SkShader* s = SkShader::CreateBitmapShader(bm, SkShader::kRepeat_TileMode,
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SkShader::kClamp_TileMode);
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s->setLocalMatrix(matrix);
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paint->setShader(s)->unref();
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}
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class DashView : public SampleView {
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public:
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DashView() {
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this->setBGColor(0xFFDDDDDD);
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}
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protected:
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// overrides from SkEventSink
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virtual bool onQuery(SkEvent* evt) {
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if (SampleCode::TitleQ(*evt)) {
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SampleCode::TitleR(evt, "Dash");
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return true;
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}
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return this->INHERITED::onQuery(evt);
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}
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virtual void onDrawContent(SkCanvas* canvas) {
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static const char* gStr[] = {
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"11",
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"44",
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"112233",
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"411327463524",
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};
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SkPaint paint;
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paint.setStrokeWidth(SkIntToScalar(1));
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SkScalar x0 = SkIntToScalar(10);
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SkScalar y0 = SkIntToScalar(10);
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SkScalar x1 = x0 + SkIntToScalar(1000);
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for (size_t i = 0; i < SK_ARRAY_COUNT(gStr); i++) {
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SkScalar interval[12];
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size_t len = SkMin32(strlen(gStr[i]), SK_ARRAY_COUNT(interval));
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for (size_t j = 0; j < len; j++) {
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interval[j] = SkIntToScalar(gStr[i][j] - '0');
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}
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SkDashPathEffect dash(interval, len, 0);
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paint.setPathEffect(&dash);
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canvas->drawLine(x0, y0, x1, y0, paint);
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paint.setPathEffect(NULL);
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y0 += paint.getStrokeWidth() * 3;
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}
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setBitmapDash(&paint, 3);
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canvas->drawLine(x0, y0, x1, y0, paint);
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}
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private:
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typedef SampleView INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static SkView* MyFactory() { return new DashView; }
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static SkViewRegister reg(MyFactory);
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