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-rw-r--r--chromium/third_party/skia/gm/morphology.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/chromium/third_party/skia/gm/morphology.cpp b/chromium/third_party/skia/gm/morphology.cpp
new file mode 100644
index 00000000000..ff6c1bac6c8
--- /dev/null
+++ b/chromium/third_party/skia/gm/morphology.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2012 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"
+#include "SkMorphologyImageFilter.h"
+
+#define WIDTH 700
+#define HEIGHT 560
+
+namespace skiagm {
+
+class MorphologyGM : public GM {
+public:
+ MorphologyGM() {
+ this->setBGColor(0xFF000000);
+ fOnce = false;
+ }
+
+protected:
+ virtual SkString onShortName() {
+ return SkString("morphology");
+ }
+
+ void make_bitmap() {
+ fBitmap.allocN32Pixels(135, 135);
+ SkCanvas canvas(fBitmap);
+ canvas.clear(0x0);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ const char* str1 = "ABC";
+ const char* str2 = "XYZ";
+ paint.setColor(0xFFFFFFFF);
+ paint.setTextSize(64);
+ canvas.drawText(str1, strlen(str1), 10, 55, paint);
+ canvas.drawText(str2, strlen(str2), 10, 110, paint);
+ }
+
+ virtual SkISize onISize() {
+ return SkISize::Make(WIDTH, HEIGHT);
+ }
+
+ void drawClippedBitmap(SkCanvas* canvas, const SkPaint& paint, int x, int y) {
+ canvas->save();
+ canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
+ canvas->clipRect(SkRect::MakeWH(
+ SkIntToScalar(fBitmap.width()), SkIntToScalar(fBitmap.height())));
+ canvas->drawBitmap(fBitmap, 0, 0, &paint);
+ canvas->restore();
+ }
+
+ virtual void onDraw(SkCanvas* canvas) {
+ if (!fOnce) {
+ make_bitmap();
+ fOnce = true;
+ }
+ struct {
+ int fWidth, fHeight;
+ int fRadiusX, fRadiusY;
+ } samples[] = {
+ { 140, 140, 0, 0 },
+ { 140, 140, 0, 2 },
+ { 140, 140, 2, 0 },
+ { 140, 140, 2, 2 },
+ { 24, 24, 25, 25 },
+ };
+ SkPaint paint;
+ SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(25, 20, 100, 80));
+
+ for (unsigned j = 0; j < 4; ++j) {
+ for (unsigned i = 0; i < SK_ARRAY_COUNT(samples); ++i) {
+ const SkImageFilter::CropRect* cr = j & 0x02 ? &cropRect : NULL;
+ if (j & 0x01) {
+ paint.setImageFilter(SkErodeImageFilter::Create(
+ samples[i].fRadiusX,
+ samples[i].fRadiusY,
+ NULL,
+ cr))->unref();
+ } else {
+ paint.setImageFilter(SkDilateImageFilter::Create(
+ samples[i].fRadiusX,
+ samples[i].fRadiusY,
+ NULL,
+ cr))->unref();
+ }
+ drawClippedBitmap(canvas, paint, i * 140, j * 140);
+ }
+ }
+ }
+
+private:
+ typedef GM INHERITED;
+ SkBitmap fBitmap;
+ bool fOnce;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static GM* MyFactory(void*) { return new MorphologyGM; }
+static GMRegistry reg(MyFactory);
+
+}