Revert "Merge remote-tracking branch 'goog/master-skia' into goog/master"

This reverts commit 0efb99a7c27bb2c4fc1a89993da5948a4e971823.

Change-Id: I971811435410091088a932f79ddbe254fd80e79d

1 files changed, 233 insertions, 0 deletions

diff --git a/samplecode/SampleEncode.cpp b/samplecode/SampleEncode.cpp
new file mode 100644
index 0000000000..185208b35b
--- /dev/null
+++ b/samplecode/SampleEncode.cpp
@@ -0,0 +1,233 @@
+
+/*
+ * 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 "SkData.h"
+#include "SkImageGenerator.h"
+#include "SkGradientShader.h"
+#include "SkGraphics.h"
+#include "SkImageDecoder.h"
+#include "SkImageEncoder.h"
+#include "SkPath.h"
+#include "SkRegion.h"
+#include "SkShader.h"
+#include "SkUtils.h"
+#include "SkXfermode.h"
+#include "SkColorPriv.h"
+#include "SkColorFilter.h"
+#include "SkTime.h"
+#include "SkTypeface.h"
+
+#include "SkStream.h"
+
+static void make_image(SkBitmap* bm, SkColorType ct, int configIndex) {
+    const int   width = 98;
+    const int   height = 100;
+    const SkImageInfo info = SkImageInfo::Make(width, height, ct, kPremul_SkAlphaType);
+
+    SkBitmap    device;
+    device.allocN32Pixels(width, height);
+    SkCanvas    canvas(device);
+    SkPaint     paint;
+
+    paint.setAntiAlias(true);
+    canvas.drawColor(SK_ColorRED);
+    paint.setColor(SK_ColorBLUE);
+    canvas.drawCircle(SkIntToScalar(width)/2, SkIntToScalar(height)/2,
+                      SkIntToScalar(width)/2, paint);
+
+    switch (ct) {
+        case kN32_SkColorType:
+            bm->swap(device);
+            break;
+        case kRGB_565_SkColorType: {
+            bm->allocPixels(info);
+            for (int y = 0; y < height; y++) {
+                for (int x = 0; x < width; x++) {
+                    *bm->getAddr16(x, y) = SkPixel32ToPixel16(*device.getAddr32(x, y));
+                }
+            }
+            break;
+        }
+        case kIndex_8_SkColorType: {
+            SkPMColor colors[256];
+            for (int i = 0; i < 256; i++) {
+                if (configIndex & 1) {
+                    colors[i] = SkPackARGB32(255-i, 0, 0, 255-i);
+                } else {
+                    colors[i] = SkPackARGB32(0xFF, i, 0, 255-i);
+                }
+            }
+            SkColorTable* ctable = new SkColorTable(colors, 256);
+            bm->allocPixels(info, NULL, ctable);
+            ctable->unref();
+            for (int y = 0; y < height; y++) {
+                for (int x = 0; x < width; x++) {
+                    *bm->getAddr8(x, y) = SkGetPackedR32(*device.getAddr32(x, y));
+                }
+            }
+            break;
+        }
+        default:
+            SkASSERT(0);
+    }
+}
+
+// configs to build the original bitmap in. Can be at most these 3
+static const SkColorType gColorTypes[] = {
+    kN32_SkColorType,
+    kRGB_565_SkColorType,
+    kIndex_8_SkColorType,   // opaque
+    kIndex_8_SkColorType    // alpha
+};
+
+static const char* const gConfigLabels[] = {
+    "8888", "565", "Index8",  "Index8 alpha"
+};
+
+// types to encode into. Can be at most these 3. Must match up with gExt[]
+static const SkImageEncoder::Type gTypes[] = {
+    SkImageEncoder::kJPEG_Type,
+    SkImageEncoder::kPNG_Type
+};
+
+// must match up with gTypes[]
+static const char* const gExt[] = {
+    ".jpg", ".png"
+};
+
+#include <sys/stat.h>
+
+class EncodeView : public SampleView {
+public:
+    SkBitmap*        fBitmaps;
+    SkAutoDataUnref* fEncodedPNGs;
+    SkAutoDataUnref* fEncodedJPEGs;
+    int              fBitmapCount;
+
+    EncodeView() {
+        fBitmapCount = SK_ARRAY_COUNT(gColorTypes);
+        fBitmaps = new SkBitmap[fBitmapCount];
+        fEncodedPNGs = new SkAutoDataUnref[fBitmapCount];
+        fEncodedJPEGs = new SkAutoDataUnref[fBitmapCount];
+        for (int i = 0; i < fBitmapCount; i++) {
+            make_image(&fBitmaps[i], gColorTypes[i], i);
+
+            for (size_t j = 0; j < SK_ARRAY_COUNT(gTypes); j++) {
+                SkAutoTDelete<SkImageEncoder> codec(
+                    SkImageEncoder::Create(gTypes[j]));
+                if (NULL == codec.get()) {
+                    SkDebugf("[%s:%d] failed to encode %s%s\n",
+                             __FILE__, __LINE__,gConfigLabels[i], gExt[j]);
+                    continue;
+                }
+                SkAutoDataUnref data(codec->encodeData(fBitmaps[i], 100));
+                if (NULL == data.get()) {
+                    SkDebugf("[%s:%d] failed to encode %s%s\n",
+                             __FILE__, __LINE__,gConfigLabels[i], gExt[j]);
+                    continue;
+                }
+                if (SkImageEncoder::kJPEG_Type == gTypes[j]) {
+                    fEncodedJPEGs[i].reset(data.detach());
+                } else if (SkImageEncoder::kPNG_Type == gTypes[j]) {
+                    fEncodedPNGs[i].reset(data.detach());
+                }
+            }
+        }
+        this->setBGColor(0xFFDDDDDD);
+    }
+
+    virtual ~EncodeView() {
+        delete[] fBitmaps;
+        delete[] fEncodedPNGs;
+        delete[] fEncodedJPEGs;
+    }
+
+protected:
+    // overrides from SkEventSink
+    virtual bool onQuery(SkEvent* evt) {
+        if (SampleCode::TitleQ(*evt)) {
+            SampleCode::TitleR(evt, "ImageEncoder");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+
+    virtual void onDrawContent(SkCanvas* canvas) {
+        if (fBitmapCount == 0) {
+            return;
+        }
+
+        SkPaint paint;
+        paint.setAntiAlias(true);
+        paint.setTextAlign(SkPaint::kCenter_Align);
+
+        canvas->translate(SkIntToScalar(10), SkIntToScalar(20));
+
+        SkScalar x = 0, y = 0, maxX = 0;
+        const int SPACER = 10;
+
+        for (int i = 0; i < fBitmapCount; i++) {
+            canvas->drawText(gConfigLabels[i], strlen(gConfigLabels[i]),
+                             x + SkIntToScalar(fBitmaps[i].width()) / 2, 0,
+                             paint);
+            y = paint.getTextSize();
+
+            canvas->drawBitmap(fBitmaps[i], x, y);
+
+            SkScalar yy = y;
+            for (size_t j = 0; j < SK_ARRAY_COUNT(gTypes); j++) {
+                yy += SkIntToScalar(fBitmaps[i].height() + 10);
+
+                SkBitmap bm;
+                SkData* encoded = NULL;
+                if (SkImageEncoder::kJPEG_Type == gTypes[j]) {
+                    encoded = fEncodedJPEGs[i].get();
+                } else if (SkImageEncoder::kPNG_Type == gTypes[j]) {
+                    encoded = fEncodedPNGs[i].get();
+                }
+                if (encoded) {
+                    if (!SkInstallDiscardablePixelRef(encoded, &bm)) {
+                    SkDebugf("[%s:%d] failed to decode %s%s\n",
+                             __FILE__, __LINE__,gConfigLabels[i], gExt[j]);
+                    }
+                    canvas->drawBitmap(bm, x, yy);
+                }
+            }
+
+            x += SkIntToScalar(fBitmaps[i].width() + SPACER);
+            if (x > maxX) {
+                maxX = x;
+            }
+        }
+
+        y = (paint.getTextSize() + SkIntToScalar(fBitmaps[0].height())) * 3 / 2;
+        x = maxX + SkIntToScalar(10);
+        paint.setTextAlign(SkPaint::kLeft_Align);
+
+        for (size_t j = 0; j < SK_ARRAY_COUNT(gExt); j++) {
+            canvas->drawText(gExt[j], strlen(gExt[j]), x, y, paint);
+            y += SkIntToScalar(fBitmaps[0].height() + SPACER);
+        }
+    }
+
+    virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y,
+                                              unsigned modi) {
+        this->inval(NULL);
+        return this->INHERITED::onFindClickHandler(x, y, modi);
+    }
+
+private:
+    typedef SampleView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new EncodeView; }
+static SkViewRegister reg(MyFactory);