skia2/gm/poly2poly.cpp

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Automatic update of all copyright notices to reflect new license terms. I have manually examined all of these diffs and restored a few files that seem to require manual adjustment. The following files still need to be modified manually, in a separate CL: android_sample/SampleApp/AndroidManifest.xml android_sample/SampleApp/res/layout/layout.xml android_sample/SampleApp/res/menu/sample.xml android_sample/SampleApp/res/values/strings.xml android_sample/SampleApp/src/com/skia/sampleapp/SampleApp.java android_sample/SampleApp/src/com/skia/sampleapp/SampleView.java experimental/CiCarbonSampleMain.c experimental/CocoaDebugger/main.m experimental/FileReaderApp/main.m experimental/SimpleCocoaApp/main.m experimental/iOSSampleApp/Shared/SkAlertPrompt.h experimental/iOSSampleApp/Shared/SkAlertPrompt.m experimental/iOSSampleApp/SkiOSSampleApp-Base.xcconfig experimental/iOSSampleApp/SkiOSSampleApp-Debug.xcconfig experimental/iOSSampleApp/SkiOSSampleApp-Release.xcconfig gpu/src/android/GrGLDefaultInterface_android.cpp gyp/common.gypi gyp_skia include/ports/SkHarfBuzzFont.h include/views/SkOSWindow_wxwidgets.h make.bat make.py src/opts/memset.arm.S src/opts/memset16_neon.S src/opts/memset32_neon.S src/opts/opts_check_arm.cpp src/ports/SkDebug_brew.cpp src/ports/SkMemory_brew.cpp src/ports/SkOSFile_brew.cpp src/ports/SkXMLParser_empty.cpp src/utils/ios/SkImageDecoder_iOS.mm src/utils/ios/SkOSFile_iOS.mm src/utils/ios/SkStream_NSData.mm tests/FillPathTest.cpp Review URL: http://codereview.appspot.com/4816058 git-svn-id: http://skia.googlecode.com/svn/trunk@1982 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-07-28 14:26:00 +00:00
/*
* 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"
namespace skiagm {
class Poly2PolyGM : public GM {
public:
Poly2PolyGM() {}
protected:
virtual SkString onShortName() {
return SkString("poly2poly");
}
virtual SkISize onISize() {
return make_isize(835, 840);
}
static void doDraw(SkCanvas* canvas, SkPaint* paint, const int isrc[],
const int idst[], int count) {
SkMatrix matrix;
SkPoint src[4], dst[4];
for (int i = 0; i < count; i++) {
src[i].set(SkIntToScalar(isrc[2*i+0]), SkIntToScalar(isrc[2*i+1]));
dst[i].set(SkIntToScalar(idst[2*i+0]), SkIntToScalar(idst[2*i+1]));
}
canvas->save();
matrix.setPolyToPoly(src, dst, count);
canvas->concat(matrix);
paint->setColor(SK_ColorGRAY);
paint->setStyle(SkPaint::kStroke_Style);
const SkScalar D = SkIntToScalar(64);
canvas->drawRectCoords(0, 0, D, D, *paint);
canvas->drawLine(0, 0, D, D, *paint);
canvas->drawLine(0, D, D, 0, *paint);
SkPaint::FontMetrics fm;
paint->getFontMetrics(&fm);
paint->setColor(SK_ColorRED);
paint->setStyle(SkPaint::kFill_Style);
SkScalar x = D/2;
SkScalar y = D/2 - (fm.fAscent + fm.fDescent)/2;
SkString str;
str.appendS32(count);
canvas->drawText(str.c_str(), str.size(), x, y, *paint);
canvas->restore();
}
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setStrokeWidth(SkIntToScalar(4));
paint.setTextSize(SkIntToScalar(40));
paint.setTextAlign(SkPaint::kCenter_Align);
canvas->save();
canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
// translate (1 point)
const int src1[] = { 0, 0 };
const int dst1[] = { 5, 5 };
doDraw(canvas, &paint, src1, dst1, 1);
canvas->restore();
canvas->save();
canvas->translate(SkIntToScalar(160), SkIntToScalar(10));
// rotate/uniform-scale (2 points)
const int src2[] = { 32, 32, 64, 32 };
const int dst2[] = { 32, 32, 64, 48 };
doDraw(canvas, &paint, src2, dst2, 2);
canvas->restore();
canvas->save();
canvas->translate(SkIntToScalar(10), SkIntToScalar(110));
// rotate/skew (3 points)
const int src3[] = { 0, 0, 64, 0, 0, 64 };
const int dst3[] = { 0, 0, 96, 0, 24, 64 };
doDraw(canvas, &paint, src3, dst3, 3);
canvas->restore();
canvas->save();
canvas->translate(SkIntToScalar(160), SkIntToScalar(110));
// perspective (4 points)
const int src4[] = { 0, 0, 64, 0, 64, 64, 0, 64 };
const int dst4[] = { 0, 0, 96, 0, 64, 96, 0, 64 };
doDraw(canvas, &paint, src4, dst4, 4);
canvas->restore();
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new Poly2PolyGM; }
static GMRegistry reg(MyFactory);
}