diff options
Diffstat (limited to 'chromium/third_party/skia/gm/ninepatchstretch.cpp')
-rw-r--r-- | chromium/third_party/skia/gm/ninepatchstretch.cpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/chromium/third_party/skia/gm/ninepatchstretch.cpp b/chromium/third_party/skia/gm/ninepatchstretch.cpp new file mode 100644 index 00000000000..b6f1a6008ab --- /dev/null +++ b/chromium/third_party/skia/gm/ninepatchstretch.cpp @@ -0,0 +1,101 @@ +/* + * 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->allocN32Pixels(kSize, kSize); + SkCanvas canvas(*bitmap); + 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 uint32_t onGetFlags() const SK_OVERRIDE { + return kSkipTiled_Flag; + } + + virtual SkString onShortName() { + return SkString("ninepatch-stretch"); + } + + virtual SkISize onISize() { + return SkISize::Make(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); + +} |