1 files changed, 81 insertions, 0 deletions
diff --git a/samplecode/SampleTinyBitmap.cpp b/samplecode/SampleTinyBitmap.cpp
new file mode 100644
index 0000000000..1563c7ac5d
--- /dev/null
+++ b/samplecode/SampleTinyBitmap.cpp
@@ -0,0 +1,81 @@
+#include "SampleCode.h"
+#include "SkColorPriv.h"
+#include "SkShader.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkUtils.h"
+
+static SkBitmap make_bitmap() {
+    SkBitmap bm;
+    const int N = 1;
+    SkColorTable* ctable = new SkColorTable(N);
+
+    SkPMColor* c = ctable->lockColors();
+    for (int i = 0; i < N; i++) {
+        c[i] = SkPackARGB32(0x80, 0x80, 0, 0);
+    }
+    ctable->unlockColors(true);
+    bm.setConfig(SkBitmap::kIndex8_Config, 1, 1);
+    bm.allocPixels(ctable);
+    ctable->unref();
+
+    bm.lockPixels();
+    for (int y = 0; y < bm.height(); y++) {
+        uint8_t* p = bm.getAddr8(0, y);
+        for (int x = 0; x < bm.width(); x++) {
+            p[x] = 0;
+        }
+    }
+    bm.unlockPixels();
+    return bm;
+}
+
+class TinyBitmapView : public SkView {
+    SkBitmap    fBM;
+public:
+	TinyBitmapView() {
+        fBM = make_bitmap();
+    }
+    
+protected:
+    // overrides from SkEventSink
+    virtual bool onQuery(SkEvent* evt) {
+        if (SampleCode::TitleQ(*evt)) {
+            SampleCode::TitleR(evt, "TinyBitmap");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+    
+    void drawBG(SkCanvas* canvas) {
+        canvas->drawColor(0xFFDDDDDD);
+    }
+    
+    static void setBitmapOpaque(SkBitmap* bm, bool isOpaque) {
+        SkAutoLockPixels alp(*bm);  // needed for ctable
+        bm->setIsOpaque(isOpaque);
+        SkColorTable* ctable = bm->getColorTable();
+        if (ctable) {
+            ctable->setIsOpaque(isOpaque);
+        }
+    }
+    
+    virtual void onDraw(SkCanvas* canvas) {
+        drawBG(canvas);
+        
+        SkShader* s = SkShader::CreateBitmapShader(fBM, SkShader::kRepeat_TileMode,
+                                                   SkShader::kMirror_TileMode);
+        SkPaint paint;
+        paint.setShader(s)->unref();
+        canvas->drawPaint(paint);
+    }
+    
+private:
+    typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new TinyBitmapView; }
+static SkViewRegister reg(MyFactory);
+