959 lines
26 KiB
C
959 lines
26 KiB
C
/*
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* Copyright 2010 Vincent Povirk for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_TIFFIO_H
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#include <tiffio.h>
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#endif
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "objbase.h"
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#include "wincodec.h"
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#include "wincodecs_private.h"
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#include "wine/debug.h"
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#include "wine/library.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
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#ifdef SONAME_LIBTIFF
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static CRITICAL_SECTION init_tiff_cs;
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static CRITICAL_SECTION_DEBUG init_tiff_cs_debug =
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{
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0, 0, &init_tiff_cs,
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{ &init_tiff_cs_debug.ProcessLocksList,
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&init_tiff_cs_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": init_tiff_cs") }
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};
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static CRITICAL_SECTION init_tiff_cs = { &init_tiff_cs_debug, -1, 0, 0, 0, 0 };
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static void *libtiff_handle;
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#define MAKE_FUNCPTR(f) static typeof(f) * p##f
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MAKE_FUNCPTR(TIFFClientOpen);
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MAKE_FUNCPTR(TIFFClose);
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MAKE_FUNCPTR(TIFFCurrentDirectory);
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MAKE_FUNCPTR(TIFFGetField);
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MAKE_FUNCPTR(TIFFIsByteSwapped);
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MAKE_FUNCPTR(TIFFReadDirectory);
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MAKE_FUNCPTR(TIFFReadEncodedStrip);
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MAKE_FUNCPTR(TIFFSetDirectory);
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#undef MAKE_FUNCPTR
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static void *load_libtiff(void)
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{
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void *result;
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EnterCriticalSection(&init_tiff_cs);
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if (!libtiff_handle &&
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(libtiff_handle = wine_dlopen(SONAME_LIBTIFF, RTLD_NOW, NULL, 0)) != NULL)
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{
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#define LOAD_FUNCPTR(f) \
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if((p##f = wine_dlsym(libtiff_handle, #f, NULL, 0)) == NULL) { \
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ERR("failed to load symbol %s\n", #f); \
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libtiff_handle = NULL; \
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LeaveCriticalSection(&init_tiff_cs); \
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return NULL; \
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}
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LOAD_FUNCPTR(TIFFClientOpen);
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LOAD_FUNCPTR(TIFFClose);
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LOAD_FUNCPTR(TIFFCurrentDirectory);
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LOAD_FUNCPTR(TIFFGetField);
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LOAD_FUNCPTR(TIFFIsByteSwapped);
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LOAD_FUNCPTR(TIFFReadDirectory);
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LOAD_FUNCPTR(TIFFReadEncodedStrip);
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LOAD_FUNCPTR(TIFFSetDirectory);
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#undef LOAD_FUNCPTR
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}
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result = libtiff_handle;
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LeaveCriticalSection(&init_tiff_cs);
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return result;
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}
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static tsize_t tiff_stream_read(thandle_t client_data, tdata_t data, tsize_t size)
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{
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IStream *stream = (IStream*)client_data;
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ULONG bytes_read;
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HRESULT hr;
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hr = IStream_Read(stream, data, size, &bytes_read);
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if (FAILED(hr)) bytes_read = 0;
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return bytes_read;
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}
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static tsize_t tiff_stream_write(thandle_t client_data, tdata_t data, tsize_t size)
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{
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IStream *stream = (IStream*)client_data;
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ULONG bytes_written;
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HRESULT hr;
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hr = IStream_Write(stream, data, size, &bytes_written);
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if (FAILED(hr)) bytes_written = 0;
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return bytes_written;
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}
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static toff_t tiff_stream_seek(thandle_t client_data, toff_t offset, int whence)
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{
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IStream *stream = (IStream*)client_data;
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LARGE_INTEGER move;
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DWORD origin;
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ULARGE_INTEGER new_position;
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HRESULT hr;
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move.QuadPart = offset;
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switch (whence)
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{
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case SEEK_SET:
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origin = STREAM_SEEK_SET;
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break;
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case SEEK_CUR:
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origin = STREAM_SEEK_CUR;
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break;
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case SEEK_END:
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origin = STREAM_SEEK_END;
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break;
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default:
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ERR("unknown whence value %i\n", whence);
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return -1;
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}
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hr = IStream_Seek(stream, move, origin, &new_position);
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if (SUCCEEDED(hr)) return new_position.QuadPart;
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else return -1;
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}
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static int tiff_stream_close(thandle_t client_data)
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{
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/* Caller is responsible for releasing the stream object. */
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return 0;
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}
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static toff_t tiff_stream_size(thandle_t client_data)
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{
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IStream *stream = (IStream*)client_data;
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STATSTG statstg;
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HRESULT hr;
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hr = IStream_Stat(stream, &statstg, STATFLAG_NONAME);
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if (SUCCEEDED(hr)) return statstg.cbSize.QuadPart;
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else return -1;
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}
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static int tiff_stream_map(thandle_t client_data, tdata_t *addr, toff_t *size)
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{
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/* Cannot mmap streams */
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return 0;
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}
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static void tiff_stream_unmap(thandle_t client_data, tdata_t addr, toff_t size)
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{
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/* No need to ever do this, since we can't map things. */
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}
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static TIFF* tiff_open_stream(IStream *stream, const char *mode)
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{
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return pTIFFClientOpen("<IStream object>", mode, stream, tiff_stream_read,
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tiff_stream_write, tiff_stream_seek, tiff_stream_close,
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tiff_stream_size, tiff_stream_map, tiff_stream_unmap);
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}
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typedef struct {
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const IWICBitmapDecoderVtbl *lpVtbl;
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LONG ref;
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IStream *stream;
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CRITICAL_SECTION lock; /* Must be held when tiff is used or initiailzed is set */
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TIFF *tiff;
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BOOL initialized;
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} TiffDecoder;
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typedef struct {
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const WICPixelFormatGUID *format;
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int bps;
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int samples;
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int bpp;
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int planar;
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int indexed;
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int reverse_bgr;
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int invert_grayscale;
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UINT width, height;
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UINT tile_width, tile_height;
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UINT tile_stride;
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UINT tile_size;
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} tiff_decode_info;
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typedef struct {
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const IWICBitmapFrameDecodeVtbl *lpVtbl;
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LONG ref;
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TiffDecoder *parent;
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UINT index;
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tiff_decode_info decode_info;
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INT cached_tile_x, cached_tile_y;
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BYTE *cached_tile;
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} TiffFrameDecode;
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static const IWICBitmapFrameDecodeVtbl TiffFrameDecode_Vtbl;
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static HRESULT tiff_get_decode_info(TIFF *tiff, tiff_decode_info *decode_info)
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{
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uint16 photometric, bps, samples, planar;
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int ret;
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decode_info->indexed = 0;
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decode_info->reverse_bgr = 0;
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decode_info->invert_grayscale = 0;
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ret = pTIFFGetField(tiff, TIFFTAG_PHOTOMETRIC, &photometric);
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if (!ret)
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{
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WARN("missing PhotometricInterpretation tag\n");
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return E_FAIL;
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}
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ret = pTIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &bps);
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if (!ret) bps = 1;
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decode_info->bps = bps;
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ret = pTIFFGetField(tiff, TIFFTAG_SAMPLESPERPIXEL, &samples);
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if (!ret) samples = 1;
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decode_info->samples = samples;
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if (samples == 1)
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planar = 1;
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else
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{
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ret = pTIFFGetField(tiff, TIFFTAG_PLANARCONFIG, &planar);
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if (!ret) planar = 1;
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if (planar != 1)
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{
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FIXME("unhandled planar configuration %u\n", planar);
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return E_FAIL;
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}
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}
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decode_info->planar = planar;
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switch(photometric)
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{
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case 0: /* WhiteIsZero */
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decode_info->invert_grayscale = 1;
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case 1: /* BlackIsZero */
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if (samples != 1)
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{
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FIXME("unhandled grayscale sample count %u\n", samples);
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return E_FAIL;
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}
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decode_info->bpp = bps;
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switch (bps)
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{
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case 1:
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decode_info->format = &GUID_WICPixelFormatBlackWhite;
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break;
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case 4:
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decode_info->format = &GUID_WICPixelFormat4bppGray;
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break;
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case 8:
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decode_info->format = &GUID_WICPixelFormat8bppGray;
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break;
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default:
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FIXME("unhandled greyscale bit count %u\n", bps);
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return E_FAIL;
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}
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break;
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case 2: /* RGB */
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decode_info->bpp = bps * samples;
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if (samples != 3)
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{
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FIXME("unhandled RGB sample count %u\n", samples);
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return E_FAIL;
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}
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switch(bps)
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{
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case 8:
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decode_info->reverse_bgr = 1;
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decode_info->format = &GUID_WICPixelFormat24bppBGR;
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break;
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case 16:
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decode_info->format = &GUID_WICPixelFormat48bppRGB;
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break;
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default:
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FIXME("unhandled RGB bit count %u\n", bps);
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return E_FAIL;
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}
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break;
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case 3: /* RGB Palette */
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if (samples != 1)
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{
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FIXME("unhandled indexed sample count %u\n", samples);
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return E_FAIL;
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}
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decode_info->indexed = 1;
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decode_info->bpp = bps;
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switch (bps)
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{
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case 4:
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decode_info->format = &GUID_WICPixelFormat4bppIndexed;
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break;
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case 8:
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decode_info->format = &GUID_WICPixelFormat8bppIndexed;
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break;
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default:
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FIXME("unhandled indexed bit count %u\n", bps);
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return E_FAIL;
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}
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break;
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case 4: /* Transparency mask */
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case 5: /* CMYK */
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case 6: /* YCbCr */
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case 8: /* CIELab */
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default:
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FIXME("unhandled PhotometricInterpretation %u\n", photometric);
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return E_FAIL;
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}
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ret = pTIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &decode_info->width);
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if (!ret)
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{
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WARN("missing image width\n");
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return E_FAIL;
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}
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ret = pTIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &decode_info->height);
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if (!ret)
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{
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WARN("missing image length\n");
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return E_FAIL;
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}
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ret = pTIFFGetField(tiff, TIFFTAG_ROWSPERSTRIP, &decode_info->tile_height);
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if (ret)
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{
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if (decode_info->tile_height > decode_info->height)
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decode_info->tile_height = decode_info->height;
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decode_info->tile_width = decode_info->width;
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decode_info->tile_stride = ((decode_info->bpp * decode_info->tile_width + 7)/8);
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decode_info->tile_size = decode_info->tile_height * decode_info->tile_stride;
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}
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else
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{
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/* Probably a tiled image */
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FIXME("missing RowsPerStrip value\n");
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return E_FAIL;
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}
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return S_OK;
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}
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static HRESULT WINAPI TiffDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
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void **ppv)
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{
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TiffDecoder *This = (TiffDecoder*)iface;
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TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IWICBitmapDecoder, iid))
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{
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*ppv = This;
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}
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else
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI TiffDecoder_AddRef(IWICBitmapDecoder *iface)
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{
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TiffDecoder *This = (TiffDecoder*)iface;
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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return ref;
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}
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static ULONG WINAPI TiffDecoder_Release(IWICBitmapDecoder *iface)
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{
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TiffDecoder *This = (TiffDecoder*)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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if (ref == 0)
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{
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if (This->tiff) pTIFFClose(This->tiff);
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if (This->stream) IStream_Release(This->stream);
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This->lock.DebugInfo->Spare[0] = 0;
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DeleteCriticalSection(&This->lock);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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static HRESULT WINAPI TiffDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream,
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DWORD *pdwCapability)
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{
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FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI TiffDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream,
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WICDecodeOptions cacheOptions)
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{
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TiffDecoder *This = (TiffDecoder*)iface;
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TIFF *tiff;
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HRESULT hr=S_OK;
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TRACE("(%p,%p,%x): stub\n", iface, pIStream, cacheOptions);
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EnterCriticalSection(&This->lock);
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if (This->initialized)
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{
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hr = WINCODEC_ERR_WRONGSTATE;
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goto exit;
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}
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tiff = tiff_open_stream(pIStream, "r");
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if (!tiff)
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{
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hr = E_FAIL;
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goto exit;
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}
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This->tiff = tiff;
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This->stream = pIStream;
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IStream_AddRef(pIStream);
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This->initialized = TRUE;
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exit:
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LeaveCriticalSection(&This->lock);
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return hr;
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}
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static HRESULT WINAPI TiffDecoder_GetContainerFormat(IWICBitmapDecoder *iface,
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GUID *pguidContainerFormat)
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{
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memcpy(pguidContainerFormat, &GUID_ContainerFormatTiff, sizeof(GUID));
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return S_OK;
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}
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static HRESULT WINAPI TiffDecoder_GetDecoderInfo(IWICBitmapDecoder *iface,
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IWICBitmapDecoderInfo **ppIDecoderInfo)
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{
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FIXME("(%p,%p): stub\n", iface, ppIDecoderInfo);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI TiffDecoder_CopyPalette(IWICBitmapDecoder *iface,
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IWICPalette *pIPalette)
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{
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FIXME("(%p,%p): stub\n", iface, pIPalette);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI TiffDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
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IWICMetadataQueryReader **ppIMetadataQueryReader)
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{
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FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI TiffDecoder_GetPreview(IWICBitmapDecoder *iface,
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IWICBitmapSource **ppIBitmapSource)
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{
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FIXME("(%p,%p): stub\n", iface, ppIBitmapSource);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI TiffDecoder_GetColorContexts(IWICBitmapDecoder *iface,
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UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
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{
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FIXME("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI TiffDecoder_GetThumbnail(IWICBitmapDecoder *iface,
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IWICBitmapSource **ppIThumbnail)
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{
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TRACE("(%p,%p)\n", iface, ppIThumbnail);
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return WINCODEC_ERR_CODECNOTHUMBNAIL;
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}
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static HRESULT WINAPI TiffDecoder_GetFrameCount(IWICBitmapDecoder *iface,
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UINT *pCount)
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{
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TiffDecoder *This = (TiffDecoder*)iface;
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if (!This->tiff)
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{
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WARN("(%p) <-- WINCODEC_ERR_WRONGSTATE\n", iface);
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return WINCODEC_ERR_WRONGSTATE;
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}
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EnterCriticalSection(&This->lock);
|
|
while (pTIFFReadDirectory(This->tiff)) { }
|
|
*pCount = pTIFFCurrentDirectory(This->tiff)+1;
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
TRACE("(%p) <-- %i\n", iface, *pCount);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI TiffDecoder_GetFrame(IWICBitmapDecoder *iface,
|
|
UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
|
|
{
|
|
TiffDecoder *This = (TiffDecoder*)iface;
|
|
TiffFrameDecode *result;
|
|
int res;
|
|
tiff_decode_info decode_info;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame);
|
|
|
|
if (!This->tiff)
|
|
return WINCODEC_ERR_WRONGSTATE;
|
|
|
|
EnterCriticalSection(&This->lock);
|
|
res = pTIFFSetDirectory(This->tiff, index);
|
|
if (!res) hr = E_INVALIDARG;
|
|
else hr = tiff_get_decode_info(This->tiff, &decode_info);
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
result = HeapAlloc(GetProcessHeap(), 0, sizeof(TiffFrameDecode));
|
|
|
|
if (result)
|
|
{
|
|
result->lpVtbl = &TiffFrameDecode_Vtbl;
|
|
result->ref = 1;
|
|
result->parent = This;
|
|
result->index = index;
|
|
result->decode_info = decode_info;
|
|
result->cached_tile_x = -1;
|
|
result->cached_tile = HeapAlloc(GetProcessHeap(), 0, decode_info.tile_size);
|
|
|
|
if (result->cached_tile)
|
|
*ppIBitmapFrame = (IWICBitmapFrameDecode*)result;
|
|
else
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
HeapFree(GetProcessHeap(), 0, result);
|
|
}
|
|
}
|
|
else hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
if (FAILED(hr)) *ppIBitmapFrame = NULL;
|
|
|
|
return hr;
|
|
}
|
|
|
|
static const IWICBitmapDecoderVtbl TiffDecoder_Vtbl = {
|
|
TiffDecoder_QueryInterface,
|
|
TiffDecoder_AddRef,
|
|
TiffDecoder_Release,
|
|
TiffDecoder_QueryCapability,
|
|
TiffDecoder_Initialize,
|
|
TiffDecoder_GetContainerFormat,
|
|
TiffDecoder_GetDecoderInfo,
|
|
TiffDecoder_CopyPalette,
|
|
TiffDecoder_GetMetadataQueryReader,
|
|
TiffDecoder_GetPreview,
|
|
TiffDecoder_GetColorContexts,
|
|
TiffDecoder_GetThumbnail,
|
|
TiffDecoder_GetFrameCount,
|
|
TiffDecoder_GetFrame
|
|
};
|
|
|
|
static HRESULT WINAPI TiffFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
|
|
void **ppv)
|
|
{
|
|
TiffFrameDecode *This = (TiffFrameDecode*)iface;
|
|
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
|
|
|
|
if (!ppv) return E_INVALIDARG;
|
|
|
|
if (IsEqualIID(&IID_IUnknown, iid) ||
|
|
IsEqualIID(&IID_IWICBitmapSource, iid) ||
|
|
IsEqualIID(&IID_IWICBitmapFrameDecode, iid))
|
|
{
|
|
*ppv = This;
|
|
}
|
|
else
|
|
{
|
|
*ppv = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
IUnknown_AddRef((IUnknown*)*ppv);
|
|
return S_OK;
|
|
}
|
|
|
|
static ULONG WINAPI TiffFrameDecode_AddRef(IWICBitmapFrameDecode *iface)
|
|
{
|
|
TiffFrameDecode *This = (TiffFrameDecode*)iface;
|
|
ULONG ref = InterlockedIncrement(&This->ref);
|
|
|
|
TRACE("(%p) refcount=%u\n", iface, ref);
|
|
|
|
return ref;
|
|
}
|
|
|
|
static ULONG WINAPI TiffFrameDecode_Release(IWICBitmapFrameDecode *iface)
|
|
{
|
|
TiffFrameDecode *This = (TiffFrameDecode*)iface;
|
|
ULONG ref = InterlockedDecrement(&This->ref);
|
|
|
|
TRACE("(%p) refcount=%u\n", iface, ref);
|
|
|
|
if (ref == 0)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, This->cached_tile);
|
|
HeapFree(GetProcessHeap(), 0, This);
|
|
}
|
|
|
|
return ref;
|
|
}
|
|
|
|
static HRESULT WINAPI TiffFrameDecode_GetSize(IWICBitmapFrameDecode *iface,
|
|
UINT *puiWidth, UINT *puiHeight)
|
|
{
|
|
TiffFrameDecode *This = (TiffFrameDecode*)iface;
|
|
|
|
*puiWidth = This->decode_info.width;
|
|
*puiHeight = This->decode_info.height;
|
|
|
|
TRACE("(%p) <-- %ux%u\n", iface, *puiWidth, *puiHeight);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI TiffFrameDecode_GetPixelFormat(IWICBitmapFrameDecode *iface,
|
|
WICPixelFormatGUID *pPixelFormat)
|
|
{
|
|
TiffFrameDecode *This = (TiffFrameDecode*)iface;
|
|
|
|
memcpy(pPixelFormat, This->decode_info.format, sizeof(GUID));
|
|
|
|
TRACE("(%p) <-- %s\n", This, debugstr_guid(This->decode_info.format));
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI TiffFrameDecode_GetResolution(IWICBitmapFrameDecode *iface,
|
|
double *pDpiX, double *pDpiY)
|
|
{
|
|
FIXME("(%p,%p,%p)\n", iface, pDpiX, pDpiY);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI TiffFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
|
|
IWICPalette *pIPalette)
|
|
{
|
|
FIXME("(%p,%p)\n", iface, pIPalette);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT TiffFrameDecode_ReadTile(TiffFrameDecode *This, UINT tile_x, UINT tile_y)
|
|
{
|
|
HRESULT hr=S_OK;
|
|
tsize_t ret;
|
|
int swap_bytes;
|
|
|
|
swap_bytes = pTIFFIsByteSwapped(This->parent->tiff);
|
|
|
|
ret = pTIFFSetDirectory(This->parent->tiff, This->index);
|
|
|
|
if (ret == -1)
|
|
hr = E_FAIL;
|
|
|
|
if (hr == S_OK)
|
|
{
|
|
ret = pTIFFReadEncodedStrip(This->parent->tiff, tile_y, This->cached_tile, This->decode_info.tile_size);
|
|
|
|
if (ret == -1)
|
|
hr = E_FAIL;
|
|
}
|
|
|
|
if (hr == S_OK && This->decode_info.reverse_bgr)
|
|
{
|
|
if (This->decode_info.format == &GUID_WICPixelFormat24bppBGR)
|
|
{
|
|
UINT i, total_pixels;
|
|
BYTE *pixel, temp;
|
|
|
|
total_pixels = This->decode_info.tile_width * This->decode_info.tile_height;
|
|
pixel = This->cached_tile;
|
|
for (i=0; i<total_pixels; i++)
|
|
{
|
|
temp = pixel[2];
|
|
pixel[2] = pixel[0];
|
|
pixel[0] = temp;
|
|
pixel += 3;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (hr == S_OK && swap_bytes && This->decode_info.bps > 8)
|
|
{
|
|
UINT row, i, samples_per_row;
|
|
BYTE *sample, temp;
|
|
|
|
samples_per_row = This->decode_info.tile_width * This->decode_info.samples;
|
|
|
|
switch(This->decode_info.bps)
|
|
{
|
|
case 16:
|
|
for (row=0; row<This->decode_info.tile_height; row++)
|
|
{
|
|
sample = This->cached_tile + row * This->decode_info.tile_stride;
|
|
for (i=0; i<samples_per_row; i++)
|
|
{
|
|
temp = sample[1];
|
|
sample[1] = sample[0];
|
|
sample[0] = temp;
|
|
sample += 2;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
ERR("unhandled bps for byte swap %u\n", This->decode_info.bps);
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
|
|
if (hr == S_OK && This->decode_info.invert_grayscale)
|
|
{
|
|
BYTE *byte, *end;
|
|
|
|
if (This->decode_info.samples != 1)
|
|
{
|
|
ERR("cannot invert grayscale image with %u samples\n", This->decode_info.samples);
|
|
return E_FAIL;
|
|
}
|
|
|
|
end = This->cached_tile+This->decode_info.tile_size;
|
|
|
|
for (byte = This->cached_tile; byte != end; byte++)
|
|
*byte = ~(*byte);
|
|
}
|
|
|
|
if (hr == S_OK)
|
|
{
|
|
This->cached_tile_x = tile_x;
|
|
This->cached_tile_y = tile_y;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI TiffFrameDecode_CopyPixels(IWICBitmapFrameDecode *iface,
|
|
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
|
|
{
|
|
TiffFrameDecode *This = (TiffFrameDecode*)iface;
|
|
UINT min_tile_x, max_tile_x, min_tile_y, max_tile_y;
|
|
UINT tile_x, tile_y;
|
|
WICRect rc;
|
|
HRESULT hr=S_OK;
|
|
BYTE *dst_tilepos;
|
|
UINT bytesperrow;
|
|
|
|
TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
|
|
|
|
if (prc->X < 0 || prc->Y < 0 || prc->X+prc->Width > This->decode_info.width ||
|
|
prc->Y+prc->Height > This->decode_info.height)
|
|
return E_INVALIDARG;
|
|
|
|
bytesperrow = ((This->decode_info.bpp * prc->Width)+7)/8;
|
|
|
|
if (cbStride < bytesperrow)
|
|
return E_INVALIDARG;
|
|
|
|
if ((cbStride * prc->Height) > cbBufferSize)
|
|
return E_INVALIDARG;
|
|
|
|
min_tile_x = prc->X / This->decode_info.tile_width;
|
|
min_tile_y = prc->Y / This->decode_info.tile_height;
|
|
max_tile_x = (prc->X+prc->Width-1) / This->decode_info.tile_width;
|
|
max_tile_y = (prc->Y+prc->Height-1) / This->decode_info.tile_height;
|
|
|
|
EnterCriticalSection(&This->parent->lock);
|
|
|
|
for (tile_x=min_tile_x; tile_x <= max_tile_x; tile_x++)
|
|
{
|
|
for (tile_y=min_tile_y; tile_y <= max_tile_y; tile_y++)
|
|
{
|
|
if (tile_x != This->cached_tile_x || tile_y != This->cached_tile_y)
|
|
{
|
|
hr = TiffFrameDecode_ReadTile(This, tile_x, tile_y);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (prc->X < tile_x * This->decode_info.tile_width)
|
|
rc.X = 0;
|
|
else
|
|
rc.X = prc->X - tile_x * This->decode_info.tile_width;
|
|
|
|
if (prc->Y < tile_y * This->decode_info.tile_height)
|
|
rc.Y = 0;
|
|
else
|
|
rc.Y = prc->Y - tile_y * This->decode_info.tile_height;
|
|
|
|
if (prc->X+prc->Width > (tile_x+1) * This->decode_info.tile_width)
|
|
rc.Width = This->decode_info.tile_width - rc.X;
|
|
else if (prc->X < tile_x * This->decode_info.tile_width)
|
|
rc.Width = prc->Width + prc->X - tile_x * This->decode_info.tile_width;
|
|
else
|
|
rc.Width = prc->Width;
|
|
|
|
if (prc->Y+prc->Height > (tile_y+1) * This->decode_info.tile_height)
|
|
rc.Height = This->decode_info.tile_height - rc.Y;
|
|
else if (prc->Y < tile_y * This->decode_info.tile_height)
|
|
rc.Height = prc->Height + prc->Y - tile_y * This->decode_info.tile_height;
|
|
else
|
|
rc.Height = prc->Height;
|
|
|
|
dst_tilepos = pbBuffer + (cbStride * ((rc.Y + tile_y * This->decode_info.tile_height) - prc->Y)) +
|
|
((This->decode_info.bpp * ((rc.X + tile_x * This->decode_info.tile_width) - prc->X) + 7) / 8);
|
|
|
|
hr = copy_pixels(This->decode_info.bpp, This->cached_tile,
|
|
This->decode_info.tile_width, This->decode_info.tile_height, This->decode_info.tile_stride,
|
|
&rc, cbStride, cbBufferSize, dst_tilepos);
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
LeaveCriticalSection(&This->parent->lock);
|
|
TRACE("<-- 0x%x\n", hr);
|
|
return hr;
|
|
}
|
|
}
|
|
}
|
|
|
|
LeaveCriticalSection(&This->parent->lock);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI TiffFrameDecode_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
|
|
IWICMetadataQueryReader **ppIMetadataQueryReader)
|
|
{
|
|
FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI TiffFrameDecode_GetColorContexts(IWICBitmapFrameDecode *iface,
|
|
UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
|
|
{
|
|
FIXME("(%p,%u,%p,%p): stub\n", iface, cCount, ppIColorContexts, pcActualCount);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI TiffFrameDecode_GetThumbnail(IWICBitmapFrameDecode *iface,
|
|
IWICBitmapSource **ppIThumbnail)
|
|
{
|
|
FIXME("(%p,%p): stub\n", iface, ppIThumbnail);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const IWICBitmapFrameDecodeVtbl TiffFrameDecode_Vtbl = {
|
|
TiffFrameDecode_QueryInterface,
|
|
TiffFrameDecode_AddRef,
|
|
TiffFrameDecode_Release,
|
|
TiffFrameDecode_GetSize,
|
|
TiffFrameDecode_GetPixelFormat,
|
|
TiffFrameDecode_GetResolution,
|
|
TiffFrameDecode_CopyPalette,
|
|
TiffFrameDecode_CopyPixels,
|
|
TiffFrameDecode_GetMetadataQueryReader,
|
|
TiffFrameDecode_GetColorContexts,
|
|
TiffFrameDecode_GetThumbnail
|
|
};
|
|
|
|
HRESULT TiffDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
|
|
{
|
|
HRESULT ret;
|
|
TiffDecoder *This;
|
|
|
|
TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
|
|
|
|
*ppv = NULL;
|
|
|
|
if (pUnkOuter) return CLASS_E_NOAGGREGATION;
|
|
|
|
if (!load_libtiff())
|
|
{
|
|
ERR("Failed reading TIFF because unable to load %s\n",SONAME_LIBTIFF);
|
|
return E_FAIL;
|
|
}
|
|
|
|
This = HeapAlloc(GetProcessHeap(), 0, sizeof(TiffDecoder));
|
|
if (!This) return E_OUTOFMEMORY;
|
|
|
|
This->lpVtbl = &TiffDecoder_Vtbl;
|
|
This->ref = 1;
|
|
This->stream = NULL;
|
|
InitializeCriticalSection(&This->lock);
|
|
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TiffDecoder.lock");
|
|
This->tiff = NULL;
|
|
This->initialized = FALSE;
|
|
|
|
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
|
|
IUnknown_Release((IUnknown*)This);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#else /* !SONAME_LIBTIFF */
|
|
|
|
HRESULT TiffDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
|
|
{
|
|
ERR("Trying to load TIFF picture, but Wine was compiled without TIFF support.\n");
|
|
return E_FAIL;
|
|
}
|
|
|
|
#endif
|