Remove the remainder of the skia source code from the Chromium repo....

skia/images/SkImageDecoder_libpvjpeg.cpp

-#include "SkImageDecoder.h"
-#include "SkColor.h"
-#include "SkColorPriv.h"
-#include "SkDither.h"
-#include "SkMath.h"
-#include "SkStream.h"
-#include "SkTemplates.h"
-#include "SkUtils.h"
-
-extern void ValidateHeap();
-
-class SkPVJPEGImageDecoder : public SkImageDecoder {
-protected:
-    virtual bool onDecode(SkStream* stream, SkBitmap* bm,
-                          SkBitmap::Config pref, Mode);
-
-private:
-    enum {
-        STORAGE_SIZE = 8 * 1024
-    };
-    char    fStorage[STORAGE_SIZE];
-};
-
-SkImageDecoder* SkImageDecoder_PVJPEG_Factory(SkStream* stream)
-{
-    return SkNEW(SkPVJPEGImageDecoder);
-}
-
-#include "pvjpgdecoderinterface.h"
-#include "pvjpgdecoder_factory.h"
-
-class AutoPVDelete {
-public:
-    AutoPVDelete(PVJpgDecoderInterface* codec) : fCodec(codec) {}
-    ~AutoPVDelete() {
-        fCodec->Reset();
-        PVJpgDecoderFactory::DeletePVJpgDecoder(fCodec);
-    }
-private:    
-    PVJpgDecoderInterface* fCodec;
-};
-
-class MyObserver : public MPVJpegDecObserver {
-public:
-    MyObserver() : fCount(0) {}
-    ~MyObserver() {
-        if (fCount != 0) {
-            SkDebugf("--- pvjpeg left %d allocations\n", fCount);
-        }
-    }
-
-        virtual void allocateBuffer(uint8* &buffer, int32 buffersize) {
-        ++fCount;
-        // we double the allocation to work around bug when height is odd
-        buffer = (uint8*)sk_malloc_throw(buffersize << 1);
-        SkDebugf("---  pvjpeg alloc [%d] %d addr=%p\n", fCount, buffersize, buffer);
-    }
-    
-        virtual void deallocateBuffer(uint8 *buffer) {
-        SkDebugf("--- pvjpeg free [%d] addr=%p\n", fCount, buffer);
-        --fCount;
-        sk_free(buffer);
-    }
-
-private:
-    int fCount;
-};
-
-static void check_status(TPvJpgDecStatus status) {
-    if (TPVJPGDEC_SUCCESS != status) {
-        SkDEBUGF(("--- pvjpeg status %d\n", status));
-    }
-}
-
-static bool getFrame(PVJpgDecoderInterface* codec, SkBitmap* bitmap,
-                     SkBitmap::Config prefConfig, SkImageDecoder::Mode mode) {
-    TPvJpgDecInfo info;
-    TPvJpgDecStatus status = codec->GetInfo(&info);
-    if (status != TPVJPGDEC_SUCCESS)
-        return false;
-
-    int width = info.iWidth[0];
-    int height = info.iHeight[0];
-
-    bitmap->setConfig(SkBitmap::kRGB_565_Config, width, height);
-    bitmap->setIsOpaque(true);
-
-    if (SkImageDecoder::kDecodeBounds_Mode == mode) {
-        return true;
-    }
-    
-    SkASSERT(info.iNumComponent == 3);
-
-    TPvJpgDecOutputFmt  format;
-    format.iColorFormat = TPV_COLORFMT_RGB16;
-    format.iCropped.topLeftX = 0;
-    format.iCropped.topLeftY = 0;
-    format.iCropped.bottomRightX = width - 1;
-    format.iCropped.bottomRightY = height - 1;
-    format.iOutputPitch = bitmap->rowBytes() >> 1;
-    status = codec->SetOutput(&format);
-    if (status != TPVJPGDEC_SUCCESS) {
-        SkDebugf("--- PV SetOutput failed %d\n", status);
-        return false;
-    }
-
-    TPvJpgDecFrame frame;
-    uint8*         ptrs[3];
-    int32          widths[3], heights[3];
-    bzero(ptrs, sizeof(ptrs));
-    frame.ptr = ptrs;
-    frame.iWidth = widths;
-    frame.iHeight = heights;
-    
-    status = codec->GetFrame(&frame);
-    if (status != TPVJPGDEC_SUCCESS) {
-        SkDebugf("--- PV GetFrame failed %d\n", status);
-        return false;
-    }
-
-    bitmap->allocPixels();
-    memcpy(bitmap->getPixels(), ptrs[0], bitmap->getSize());
-    return true;
-}
-
-class OsclCleanupper {
-public:
-    OsclCleanupper() {
-        OsclBase::Init();
-        OsclErrorTrap::Init();
-        OsclMem::Init();
-    }
-    ~OsclCleanupper() {
-        OsclMem::Cleanup();
-        OsclErrorTrap::Cleanup();
-        OsclBase::Cleanup();
-    }
-};
-
-bool SkPVJPEGImageDecoder::onDecode(SkStream* stream, SkBitmap* decodedBitmap,
-                                    SkBitmap::Config prefConfig, Mode mode)
-{
-    // do I need this guy?
-    OsclCleanupper oc;
-    
-    PVJpgDecoderInterface*  codec = PVJpgDecoderFactory::CreatePVJpgDecoder();
-    TPvJpgDecStatus         status = codec->Init();
-    check_status(status);
-
-    MyObserver      observer;   // must create before autopvdelete
-    AutoPVDelete    ad(codec);
-    
-    status = codec->SetObserver(&observer);
-    check_status(status);
-    
-    char*   storage = fStorage;
-    int32   bytesInStorage = 0;
-    for (;;)
-    {
-        int32 bytesRead = stream->read(storage + bytesInStorage,
-                                       STORAGE_SIZE - bytesInStorage);
-        if (bytesRead <= 0) {
-            SkDEBUGF(("SkPVJPEGImageDecoder: stream read returned %d\n", bytesRead));
-            return false;
-        }
-        
-        // update bytesInStorage to account for the read()
-        bytesInStorage += bytesRead;
-        SkASSERT(bytesInStorage <= STORAGE_SIZE);
-        
-        // now call Decode to eat some of the bytes
-        int32 consumed = bytesInStorage;
-        status = codec->Decode((uint8*)storage, &consumed);
-
-        SkASSERT(bytesInStorage >= consumed);
-        bytesInStorage -= consumed;
-        // now bytesInStorage is the remaining unread bytes
-        if (bytesInStorage > 0) { // slide the leftovers to the beginning
-            SkASSERT(storage == fStorage);
-            SkASSERT(consumed >= 0 && bytesInStorage >= 0);
-            SkASSERT((size_t)(consumed + bytesInStorage) <= sizeof(fStorage));
-            SkASSERT(sizeof(fStorage) == STORAGE_SIZE);
-       //     SkDebugf("-- memmov srcOffset=%d, numBytes=%d\n", consumed, bytesInStorage);
-            memmove(storage, storage + consumed, bytesInStorage);
-        }
-        
-        switch (status) {
-        case TPVJPGDEC_SUCCESS:
-            SkDEBUGF(("SkPVJPEGImageDecoder::Decode returned success?\n");)
-            return false;
-        case TPVJPGDEC_FRAME_READY:
-        case TPVJPGDEC_DONE:
-            return getFrame(codec, decodedBitmap, prefConfig, mode);
-        case TPVJPGDEC_FAIL:
-        case TPVJPGDEC_INVALID_MEMORY:
-        case TPVJPGDEC_INVALID_PARAMS:
-        case TPVJPGDEC_NO_IMAGE_DATA:
-            SkDEBUGF(("SkPVJPEGImageDecoder: failed to decode err=%d\n", status);)
-            return false;
-        case TPVJPGDEC_WAITING_FOR_INPUT:
-            break;  // loop around and eat more from the stream
-        }
-    }
-    return false;
-}
-