Rename SkGifCodec, SkIcoCodec, SkWbmpCodec

src/codec/SkCodec_libico.h

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkCodec.h"
-#include "SkImageInfo.h"
-#include "SkStream.h"
-#include "SkTypes.h"
-
-/*
- * This class implements the decoding for bmp images
- */
-class SkIcoCodec : public SkCodec {
-public:
-    static bool IsIco(const void*, size_t);
-
-    /*
-     * Assumes IsIco was called and returned true
-     * Creates an Ico decoder
-     * Reads enough of the stream to determine the image format
-     */
-    static SkCodec* NewFromStream(SkStream*);
-
-protected:
-
-    /*
-     * Chooses the best dimensions given the desired scale
-     */
-    SkISize onGetScaledDimensions(float desiredScale) const override;
-
-    bool onDimensionsSupported(const SkISize&) override;
-
-    /*
-     * Initiates the Ico decode
-     */
-    Result onGetPixels(const SkImageInfo& dstInfo, void* dst, size_t dstRowBytes, const Options&,
-            SkPMColor*, int*, int*) override;
-
-    SkEncodedFormat onGetEncodedFormat() const override {
-        return kICO_SkEncodedFormat;
-    }
-
-    SkScanlineOrder onGetScanlineOrder() const override;
-
-private:
-
-    Result onStartScanlineDecode(const SkImageInfo& dstInfo, const SkCodec::Options& options,
-            SkPMColor inputColorPtr[], int* inputColorCount) override;
-
-    int onGetScanlines(void* dst, int count, size_t rowBytes) override;
-
-    bool onSkipScanlines(int count) override;
-
-    SkSampler* getSampler(bool createIfNecessary) override;
-
-    /*
-     * Searches fEmbeddedCodecs for a codec that matches requestedSize.
-     * The search starts at startIndex and ends when an appropriate codec
-     * is found, or we have reached the end of the array.
-     *
-     * @return the index of the matching codec or -1 if there is no
-     *         matching codec between startIndex and the end of
-     *         the array.
-     */
-    int chooseCodec(const SkISize& requestedSize, int startIndex);
-
-    /*
-     * Constructor called by NewFromStream
-     * @param embeddedCodecs codecs for the embedded images, takes ownership
-     */
-    SkIcoCodec(const SkImageInfo& srcInfo, SkTArray<SkAutoTDelete<SkCodec>, true>* embeddedCodecs);
-
-    SkAutoTDelete<SkTArray<SkAutoTDelete<SkCodec>, true>> fEmbeddedCodecs; // owned
-
-    // Only used by the scanline decoder.  onStartScanlineDecode() will set
-    // fCurrScanlineCodec to one of the fEmbeddedCodecs, if it can find a
-    // codec of the appropriate size.  We will use fCurrScanlineCodec for
-    // subsequent calls to onGetScanlines() or onSkipScanlines().
-    // fCurrScanlineCodec is owned by this class, but should not be an
-    // SkAutoTDelete.  It will be deleted by the destructor of fEmbeddedCodecs.
-    SkCodec* fCurrScanlineCodec;
-
-    typedef SkCodec INHERITED;
-};