Skia merge (revision 3022)

This CL has companion changes to account for API updates in...
 (1) frameworks/base
 (2) external/webkit

Change-Id: Ibb989e76e8bd24313849f9631dbef42cdef9eb7d

1 files changed, 155 insertions, 0 deletions

diff --git a/gm/drawbitmaprect.cpp b/gm/drawbitmaprect.cpp
new file mode 100644
index 0000000..5832a9c
--- /dev/null
+++ b/gm/drawbitmaprect.cpp
@@ -0,0 +1,155 @@
+
+/*
+ * 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"
+#include "SkShader.h"
+#include "SkColorPriv.h"
+
+// effects
+#include "SkGradientShader.h"
+
+
+namespace skiagm {
+
+static void makebm(SkBitmap* bm, SkBitmap::Config config, int w, int h) {
+    bm->setConfig(config, w, h);
+    bm->allocPixels();
+    bm->eraseColor(0);
+
+    SkCanvas    canvas(*bm);
+
+    SkScalar wScalar = SkIntToScalar(w);
+    SkScalar hScalar = SkIntToScalar(h);
+
+    SkPoint     pt = { wScalar / 2, hScalar / 2 };
+
+    SkScalar    radius = 4 * SkMaxScalar(wScalar, hScalar);
+
+    SkColor     colors[] = { SK_ColorRED, SK_ColorYELLOW,
+                             SK_ColorGREEN, SK_ColorMAGENTA,
+                             SK_ColorBLUE, SK_ColorCYAN,
+                             SK_ColorRED};
+
+    SkScalar    pos[] = {0,
+                         SK_Scalar1 / 6,
+                         2 * SK_Scalar1 / 6,
+                         3 * SK_Scalar1 / 6,
+                         4 * SK_Scalar1 / 6,
+                         5 * SK_Scalar1 / 6,
+                         SK_Scalar1};
+
+    SkPaint     paint;
+    paint.setShader(SkGradientShader::CreateRadial(
+                    pt, radius,
+                    colors, pos,
+                    SK_ARRAY_COUNT(colors),
+                    SkShader::kRepeat_TileMode))->unref();
+    SkRect rect = SkRect::MakeWH(wScalar, hScalar);
+    SkMatrix mat = SkMatrix::I();
+    for (int i = 0; i < 4; ++i) {
+        paint.getShader()->setLocalMatrix(mat);
+        canvas.drawRect(rect, paint);
+        rect.inset(wScalar / 8, hScalar / 8);
+        mat.postScale(SK_Scalar1 / 4, SK_Scalar1 / 4);
+    }
+}
+
+static const int gSize = 1024;
+
+class DrawBitmapRectGM : public GM {
+public:
+    DrawBitmapRectGM() {
+    }
+
+    SkBitmap    fLargeBitmap;
+
+protected:
+    SkString onShortName() {
+        return SkString("drawbitmaprect");
+    }
+    
+    SkISize onISize() { return make_isize(gSize, gSize); }
+    
+    virtual void onDraw(SkCanvas* canvas) {
+        static const int kBmpSize = 2048;
+        if (fLargeBitmap.isNull()) {
+            makebm(&fLargeBitmap,
+                   SkBitmap::kARGB_8888_Config,
+                   kBmpSize, kBmpSize);
+        }
+        SkRect dstRect = { 0, 0, SkIntToScalar(64), SkIntToScalar(64)};
+        static const int kMaxSrcRectSize = 1 << (SkNextLog2(kBmpSize) + 2);
+
+        static const int kPadX = 30;
+        static const int kPadY = 40;
+        SkPaint paint;
+        paint.setAlpha(0x20);
+        canvas->drawBitmapRect(fLargeBitmap, NULL,
+                               SkRect::MakeWH(gSize * SK_Scalar1,
+                                              gSize * SK_Scalar1),
+                               &paint);
+        canvas->translate(SK_Scalar1 * kPadX / 2,
+                          SK_Scalar1 * kPadY / 2);
+        SkPaint blackPaint;
+        SkScalar titleHeight = SK_Scalar1 * 24;
+        blackPaint.setColor(SK_ColorBLACK);
+        blackPaint.setTextSize(titleHeight);
+        blackPaint.setAntiAlias(true);
+        SkString title;
+        title.printf("Bitmap size: %d x %d", kBmpSize, kBmpSize);
+        canvas->drawText(title.c_str(), title.size(), 0,
+                         titleHeight, blackPaint);
+
+        canvas->translate(0, SK_Scalar1 * kPadY / 2  + titleHeight);
+        int rowCount = 0;
+        canvas->save();
+        for (int w = 1; w <= kMaxSrcRectSize; w *= 4) {
+            for (int h = 1; h <= kMaxSrcRectSize; h *= 4) {
+
+                SkIRect srcRect = SkIRect::MakeXYWH((kBmpSize - w) / 2,
+                                                    (kBmpSize - h) / 2,
+                                                    w, h);
+                canvas->drawBitmapRect(fLargeBitmap, &srcRect, dstRect);
+
+                SkString label;
+                label.appendf("%d x %d", w, h);
+                blackPaint.setAntiAlias(true);
+                blackPaint.setStyle(SkPaint::kFill_Style);
+                blackPaint.setTextSize(SK_Scalar1 * 10);
+                SkScalar baseline = dstRect.height() +
+                                    blackPaint.getTextSize() + SK_Scalar1 * 3;
+                canvas->drawText(label.c_str(), label.size(),
+                                    0, baseline,
+                                    blackPaint);
+                blackPaint.setStyle(SkPaint::kStroke_Style);
+                blackPaint.setStrokeWidth(SK_Scalar1);
+                blackPaint.setAntiAlias(false);
+                canvas->drawRect(dstRect, blackPaint);
+
+                canvas->translate(dstRect.width() + SK_Scalar1 * kPadX, 0);
+                ++rowCount;
+                if ((dstRect.width() + kPadX) * rowCount > gSize) {
+                    canvas->restore();
+                    canvas->translate(0, dstRect.height() + SK_Scalar1 * kPadY);
+                    canvas->save();
+                    rowCount = 0;
+                }
+            }
+        }
+    }
+
+private:
+    typedef GM INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static GM* MyFactory(void*) { return new DrawBitmapRectGM; }
+static GMRegistry reg(MyFactory);
+
+}
+