| /* |
| * 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" |
| |
| static void make_bitmap(SkBitmap* bitmap, SkIRect* center) { |
| const int kFixed = 28; |
| const int kStretchy = 8; |
| const int kSize = 2*kFixed + kStretchy; |
| |
| bitmap->setConfig(SkBitmap::kARGB_8888_Config, kSize, kSize); |
| bitmap->allocPixels(); |
| SkBaseDevice* dev = new SkBitmapDevice(*bitmap); |
| |
| SkCanvas canvas(dev); |
| dev->unref(); |
| canvas.clear(SK_ColorTRANSPARENT); |
| |
| SkRect r = SkRect::MakeWH(SkIntToScalar(kSize), SkIntToScalar(kSize)); |
| const SkScalar strokeWidth = SkIntToScalar(6); |
| const SkScalar radius = SkIntToScalar(kFixed) - strokeWidth/2; |
| |
| center->setXYWH(kFixed, kFixed, kStretchy, kStretchy); |
| |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| |
| paint.setColor(0xFFFF0000); |
| canvas.drawRoundRect(r, radius, radius, paint); |
| r.setXYWH(SkIntToScalar(kFixed), 0, SkIntToScalar(kStretchy), SkIntToScalar(kSize)); |
| paint.setColor(0x8800FF00); |
| canvas.drawRect(r, paint); |
| r.setXYWH(0, SkIntToScalar(kFixed), SkIntToScalar(kSize), SkIntToScalar(kStretchy)); |
| paint.setColor(0x880000FF); |
| canvas.drawRect(r, paint); |
| } |
| |
| namespace skiagm { |
| |
| class NinePatchStretchGM : public GM { |
| public: |
| SkBitmap fBM; |
| |
| NinePatchStretchGM() {} |
| |
| protected: |
| virtual SkString onShortName() { |
| return SkString("ninepatch-stretch"); |
| } |
| |
| virtual SkISize onISize() { |
| return make_isize(400, 400); |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) { |
| SkBitmap bm; |
| SkIRect center; |
| make_bitmap(&bm, ¢er); |
| |
| // amount of bm that should not be stretched (unless we have to) |
| const SkScalar fixed = SkIntToScalar(bm.width() - center.width()); |
| |
| const SkTSize<SkScalar> size[] = { |
| { fixed * 4 / 5, fixed * 4 / 5 }, // shrink in both axes |
| { fixed * 4 / 5, fixed * 4 }, // shrink in X |
| { fixed * 4, fixed * 4 / 5 }, // shrink in Y |
| { fixed * 4, fixed * 4 } |
| }; |
| |
| canvas->drawBitmap(bm, SkIntToScalar(10), SkIntToScalar(10), NULL); |
| |
| SkScalar x = SkIntToScalar(100); |
| SkScalar y = SkIntToScalar(100); |
| |
| SkPaint paint; |
| paint.setFilterLevel(SkPaint::kLow_FilterLevel); |
| |
| for (int iy = 0; iy < 2; ++iy) { |
| for (int ix = 0; ix < 2; ++ix) { |
| int i = ix * 2 + iy; |
| SkRect r = SkRect::MakeXYWH(x + ix * fixed, y + iy * fixed, |
| size[i].width(), size[i].height()); |
| canvas->drawBitmapNine(bm, center, r, &paint); |
| } |
| } |
| } |
| |
| private: |
| typedef GM INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static GM* MyFactory(void*) { return new NinePatchStretchGM; } |
| static GMRegistry reg(MyFactory); |
| |
| } |