remove obsolete samples

samplecode/SampleEncode.cpp

-
-/*
- * 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, nullptr, 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 (nullptr == 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 (nullptr == 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 = nullptr;
-                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(nullptr);
-        return this->INHERITED::onFindClickHandler(x, y, modi);
-    }
-
-private:
-    typedef SampleView INHERITED;
-};
-
-//////////////////////////////////////////////////////////////////////////////
-
-static SkView* MyFactory() { return new EncodeView; }
-static SkViewRegister reg(MyFactory);