11cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger
21cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger/*
31cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger * Copyright 2011 Google Inc.
41cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger *
51cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger * Use of this source code is governed by a BSD-style license that can be
61cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger * found in the LICENSE file.
71cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger */
840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger#include "gm.h"
940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
1040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenbergernamespace skiagm {
1140528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
1240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenbergerclass Poly2PolyGM : public GM {
1340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenbergerpublic:
1440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger	Poly2PolyGM() {}
1540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
1640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenbergerprotected:
1740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger    virtual SkString onShortName() {
1840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        return SkString("poly2poly");
1940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger    }
2040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
2140528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger	virtual SkISize onISize() {
2240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        return make_isize(835, 840);
2340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger    }
2440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
2540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger    static void doDraw(SkCanvas* canvas, SkPaint* paint, const int isrc[],
2640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger                       const int idst[], int count) {
2740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        SkMatrix matrix;
2840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        SkPoint src[4], dst[4];
2940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
3040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        for (int i = 0; i < count; i++) {
3140528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger            src[i].set(SkIntToScalar(isrc[2*i+0]), SkIntToScalar(isrc[2*i+1]));
3240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger            dst[i].set(SkIntToScalar(idst[2*i+0]), SkIntToScalar(idst[2*i+1]));
3340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        }
3440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
3540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->save();
3640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        matrix.setPolyToPoly(src, dst, count);
3740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->concat(matrix);
3840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
3940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        paint->setColor(SK_ColorGRAY);
4040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        paint->setStyle(SkPaint::kStroke_Style);
4140528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        const SkScalar D = SkIntToScalar(64);
4240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->drawRectCoords(0, 0, D, D, *paint);
4340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->drawLine(0, 0, D, D, *paint);
4440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->drawLine(0, D, D, 0, *paint);
4540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
4640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        SkPaint::FontMetrics fm;
4740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        paint->getFontMetrics(&fm);
4840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        paint->setColor(SK_ColorRED);
4940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        paint->setStyle(SkPaint::kFill_Style);
5040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        SkScalar x = D/2;
511cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger        SkScalar y = D/2 - (fm.fAscent + fm.fDescent)/2;
5240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        SkString str;
5340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        str.appendS32(count);
5440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->drawText(str.c_str(), str.size(), x, y, *paint);
5540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
5640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->restore();
5740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger    }
5840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
591cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger    virtual void onDraw(SkCanvas* canvas) {
6040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        SkPaint paint;
6140528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        paint.setAntiAlias(true);
6240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        paint.setStrokeWidth(SkIntToScalar(4));
6340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        paint.setTextSize(SkIntToScalar(40));
6440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        paint.setTextAlign(SkPaint::kCenter_Align);
6540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
6640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->save();
6740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
6840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        // translate (1 point)
6940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        const int src1[] = { 0, 0 };
7040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        const int dst1[] = { 5, 5 };
7140528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        doDraw(canvas, &paint, src1, dst1, 1);
7240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->restore();
7340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
7440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->save();
7540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->translate(SkIntToScalar(160), SkIntToScalar(10));
7640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        // rotate/uniform-scale (2 points)
7740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        const int src2[] = { 32, 32, 64, 32 };
7840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        const int dst2[] = { 32, 32, 64, 48 };
7940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        doDraw(canvas, &paint, src2, dst2, 2);
8040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->restore();
8140528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
8240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->save();
8340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->translate(SkIntToScalar(10), SkIntToScalar(110));
8440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        // rotate/skew (3 points)
8540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        const int src3[] = { 0, 0, 64, 0, 0, 64 };
8640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        const int dst3[] = { 0, 0, 96, 0, 24, 64 };
8740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        doDraw(canvas, &paint, src3, dst3, 3);
8840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->restore();
8940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
9040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->save();
9140528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->translate(SkIntToScalar(160), SkIntToScalar(110));
9240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        // perspective (4 points)
9340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        const int src4[] = { 0, 0, 64, 0, 64, 64, 0, 64 };
9440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        const int dst4[] = { 0, 0, 96, 0, 64, 96, 0, 64 };
9540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        doDraw(canvas, &paint, src4, dst4, 4);
9640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger        canvas->restore();
9740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger    }
9840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
9940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenbergerprivate:
10040528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger    typedef GM INHERITED;
10140528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger};
10240528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
10340528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger//////////////////////////////////////////////////////////////////////////////
10440528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
10540528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenbergerstatic GM* MyFactory(void*) { return new Poly2PolyGM; }
10640528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenbergerstatic GMRegistry reg(MyFactory);
10740528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
10840528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger}
10940528743dbb9ce7f39f093e0cdc47849ac8887cfDerek Sollenberger
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