0d55dd7d2c
git-svn-id: http://skia.googlecode.com/svn/trunk@9856 2bbb7eff-a529-9590-31e7-b0007b416f81
89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
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* Copyright 2013 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 "SkCanvas.h"
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#include "SkPathUtils.h"
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#include "SkView.h"
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//#include "SkPathOps.h" // loads fine here, won't in PathUtils src files
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#include "SkRandom.h"
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//#include "SkTime.h"
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class samplePathUtils : public SampleView {
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public:
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samplePathUtils() {
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bmp_paint.setAntiAlias(true); // Black paint for bitmap
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bmp_paint.setStyle(SkPaint::kFill_Style);
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bmp_paint.setColor(SK_ColorBLACK);
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}
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protected:
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static const int numModes = 3;
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static const int h=8, w=12, stride=2; // stride is in bytes
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static const int numChars = h * stride; // number of chars in entire array
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SkPaint bmp_paint;
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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, "PathUtils");
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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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/////////////////////////////////////////////////////////////
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virtual void onDrawContent(SkCanvas* canvas) {
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// bitmap definitions
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const uint8_t bits[numModes][numChars] = {
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{ 0x18, 0x00, 0x3c, 0x00, 0x7e, 0x00, 0xdb, 0x00,
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0xff, 0x00, 0x24, 0x00, 0x5a, 0x00, 0xa5, 0x00 },
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{ 0x20, 0x80, 0x91, 0x20, 0xbf, 0xa0, 0xee, 0xe0,
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0xff, 0xe0, 0x7f, 0xc0, 0x20, 0x80, 0x40, 0x40 },
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{ 0x0f, 0x00, 0x7f, 0xe0, 0xff, 0xf0, 0xe6, 0x70,
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0xff, 0xf0, 0x19, 0x80, 0x36, 0xc0, 0xc0, 0x30 }
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};
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static const SkScalar kScale = 10.0f;
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for (int i = 0; i < numModes; ++i) {
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SkPath path; // generate and simplify each path
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SkPathUtils::BitsToPath_Path(&path, (char*) &bits[i], h, w, stride);
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canvas->save(); // DRAWING
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canvas->scale(kScale, kScale); // scales up each bitmap
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canvas->translate(0, 1.5f * h * i);
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canvas->drawPath(path, bmp_paint); // draw bitmap
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canvas->restore();
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// use the SkRegion method
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SkPath pathR;
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SkPathUtils::BitsToPath_Region(&pathR, (char*) &bits[i], h, w, stride);
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canvas->save();
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canvas->scale(kScale, kScale); // scales up each bitmap
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canvas->translate(1.5f * w, 1.5f * h * i); // translates past previous bitmap
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canvas->drawPath(pathR, bmp_paint); // draw bitmap
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canvas->restore();
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}
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}
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private:
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typedef SkView INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static SkView* MyFactory() { return new samplePathUtils; }
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static SkViewRegister reg(MyFactory)
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;
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