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8c296bbcd4
This patch was generated by a script. Here's the source of the script for
future reference:
function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name nsXPCOMCID.h \
! -name prtypes.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t
convert PRIntn int
convert PRUintn unsigned
convert PRSize size_t
convert PROffset32 int32_t
convert PROffset64 int64_t
convert PRPtrdiff ptrdiff_t
convert PRFloat64 double
99 lines
3.5 KiB
C++
99 lines
3.5 KiB
C++
/* vim:set tw=80 expandtab softtabstop=4 ts=4 sw=4: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _nsICODecoder_h
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#define _nsICODecoder_h
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#include "nsAutoPtr.h"
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#include "Decoder.h"
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#include "imgIDecoderObserver.h"
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#include "nsBMPDecoder.h"
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#include "nsPNGDecoder.h"
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#include "ICOFileHeaders.h"
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namespace mozilla {
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namespace image {
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class RasterImage;
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class nsICODecoder : public Decoder
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{
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public:
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nsICODecoder(RasterImage &aImage, imgIDecoderObserver* aObserver);
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virtual ~nsICODecoder();
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// Obtains the width of the icon directory entry
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uint32_t GetRealWidth() const
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{
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return mDirEntry.mWidth == 0 ? 256 : mDirEntry.mWidth;
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}
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// Obtains the height of the icon directory entry
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uint32_t GetRealHeight() const
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{
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return mDirEntry.mHeight == 0 ? 256 : mDirEntry.mHeight;
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}
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virtual void WriteInternal(const char* aBuffer, uint32_t aCount);
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virtual void FinishInternal();
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private:
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// Writes to the contained decoder and sets the appropriate errors
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// Returns true if there are no errors.
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bool WriteToContainedDecoder(const char* aBuffer, uint32_t aCount);
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// Processes a single dir entry of the icon resource
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void ProcessDirEntry(IconDirEntry& aTarget);
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// Sets the hotspot property of if we have a cursor
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void SetHotSpotIfCursor();
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// Creates a bitmap file header buffer, returns true if successful
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bool FillBitmapFileHeaderBuffer(int8_t *bfh);
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// Fixes the ICO height to match that of the BIH.
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// and also fixes the BIH height to be /2 of what it was.
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// See definition for explanation.
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// Returns false if invalid information is contained within.
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bool FixBitmapHeight(int8_t *bih);
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// Fixes the ICO width to match that of the BIH.
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// Returns false if invalid information is contained within.
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bool FixBitmapWidth(int8_t *bih);
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// Extract bitmap info header size count from BMP information header
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int32_t ExtractBIHSizeFromBitmap(int8_t *bih);
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// Extract bit count from BMP information header
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int32_t ExtractBPPFromBitmap(int8_t *bih);
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// Calculates the row size in bytes for the AND mask table
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uint32_t CalcAlphaRowSize();
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// Obtains the number of colors from the BPP, mBPP must be filled in
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uint16_t GetNumColors();
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uint16_t mBPP; // Stores the images BPP
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uint32_t mPos; // Keeps track of the position we have decoded up until
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uint16_t mNumIcons; // Stores the number of icons in the ICO file
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uint16_t mCurrIcon; // Stores the current dir entry index we are processing
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uint32_t mImageOffset; // Stores the offset of the image data we want
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uint8_t *mRow; // Holds one raw line of the image
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int32_t mCurLine; // Line index of the image that's currently being decoded
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uint32_t mRowBytes; // How many bytes of the row were already received
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int32_t mOldLine; // Previous index of the line
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nsAutoPtr<Decoder> mContainedDecoder; // Contains either a BMP or PNG resource
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char mDirEntryArray[ICODIRENTRYSIZE]; // Holds the current dir entry buffer
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IconDirEntry mDirEntry; // Holds a decoded dir entry
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// Holds the potential bytes that can be a PNG signature
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char mSignature[PNGSIGNATURESIZE];
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// Holds the potential bytes for a bitmap information header
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char mBIHraw[40];
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// Stores whether or not the icon file we are processing has type 1 (icon)
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bool mIsCursor;
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// Stores whether or not the contained resource is a PNG
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bool mIsPNG;
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};
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} // namespace image
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} // namespace mozilla
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#endif
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