1 files changed, 101 insertions, 0 deletions
diff --git a/chromium/third_party/skia/samplecode/SampleMipMap.cpp b/chromium/third_party/skia/samplecode/SampleMipMap.cpp
new file mode 100644
index 00000000000..a9804ac5e41
--- /dev/null
+++ b/chromium/third_party/skia/samplecode/SampleMipMap.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 "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkDevice.h"
+#include "SkPaint.h"
+#include "SkShader.h"
+
+static SkBitmap createBitmap(int n) {
+    SkBitmap bitmap;
+    bitmap.allocN32Pixels(n, n);
+    bitmap.eraseColor(SK_ColorTRANSPARENT);
+
+    SkCanvas canvas(bitmap);
+    SkRect r;
+    r.set(0, 0, SkIntToScalar(n), SkIntToScalar(n));
+    SkPaint paint;
+    paint.setAntiAlias(true);
+
+    paint.setColor(SK_ColorRED);
+    canvas.drawOval(r, paint);
+    paint.setColor(SK_ColorBLUE);
+    paint.setStrokeWidth(SkIntToScalar(n)/15);
+    paint.setStyle(SkPaint::kStroke_Style);
+    canvas.drawLine(0, 0, r.fRight, r.fBottom, paint);
+    canvas.drawLine(0, r.fBottom, r.fRight, 0, paint);
+
+    return bitmap;
+}
+
+class MipMapView : public SampleView {
+    SkBitmap fBitmap;
+    enum {
+        N = 64
+    };
+    bool fOnce;
+public:
+    MipMapView() {
+        fOnce = false;
+    }
+
+    void init() {
+        if (fOnce) {
+            return;
+        }
+        fOnce = true;
+
+        fBitmap = createBitmap(N);
+
+        fWidth = N;
+    }
+
+protected:
+    // overrides from SkEventSink
+    virtual bool onQuery(SkEvent* evt) {
+        if (SampleCode::TitleQ(*evt)) {
+            SampleCode::TitleR(evt, "MipMaps");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+
+    virtual void onDrawContent(SkCanvas* canvas) {
+        this->init();
+
+        static const SkPaint::FilterLevel gLevel[] = {
+            SkPaint::kNone_FilterLevel,
+            SkPaint::kLow_FilterLevel,
+            SkPaint::kMedium_FilterLevel,
+            SkPaint::kHigh_FilterLevel,
+        };
+
+        SkPaint paint;
+
+        for (size_t i = 0; i < SK_ARRAY_COUNT(gLevel); ++i) {
+            SkScalar x = 10.0f + i * 100;
+            SkScalar y = 10.0f;
+
+            paint.setFilterLevel(gLevel[i]);
+
+            canvas->drawBitmap(fBitmap, x, y, &paint);
+        }
+        this->inval(NULL);
+    }
+
+private:
+    int fWidth;
+
+    typedef SampleView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new MipMapView; }
+static SkViewRegister reg(MyFactory);