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