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windowscodecs: Implement TiffFrameEncode_WritePixels.

This commit is contained in:
Vincent Povirk 2011-04-05 15:55:16 -05:00 committed by Alexandre Julliard
parent 28fc658da8
commit 518f4fd6de
1 changed files with 93 additions and 2 deletions
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95
dlls/windowscodecs/tiffformat.c
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@ -64,7 +64,9 @@ MAKE_FUNCPTR(TIFFReadDirectory);
MAKE_FUNCPTR(TIFFReadEncodedStrip);
MAKE_FUNCPTR(TIFFReadEncodedTile);
MAKE_FUNCPTR(TIFFSetDirectory);
MAKE_FUNCPTR(TIFFSetField);
MAKE_FUNCPTR(TIFFWriteDirectory);
MAKE_FUNCPTR(TIFFWriteScanline);
#undef MAKE_FUNCPTR
static void *load_libtiff(void)
@ -93,7 +95,9 @@ static void *load_libtiff(void)
LOAD_FUNCPTR(TIFFReadEncodedStrip);
LOAD_FUNCPTR(TIFFReadEncodedTile);
LOAD_FUNCPTR(TIFFSetDirectory);
LOAD_FUNCPTR(TIFFSetField);
LOAD_FUNCPTR(TIFFWriteDirectory);
LOAD_FUNCPTR(TIFFWriteScanline);
#undef LOAD_FUNCPTR
}
@ -1166,6 +1170,7 @@ typedef struct TiffFrameEncode {
const struct tiff_encode_format *format;
UINT width, height;
double xres, yres;
UINT lines_written;
} TiffFrameEncode;
static inline TiffFrameEncode *impl_from_IWICBitmapFrameEncode(IWICBitmapFrameEncode *iface)
@ -1343,8 +1348,93 @@ static HRESULT WINAPI TiffFrameEncode_SetThumbnail(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI TiffFrameEncode_WritePixels(IWICBitmapFrameEncode *iface,
UINT lineCount, UINT cbStride, UINT cbBufferSize, BYTE *pbPixels)
{
FIXME("(%p,%u,%u,%u,%p): stub\n", iface, lineCount, cbStride, cbBufferSize, pbPixels);
return E_NOTIMPL;
TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
BYTE *row_data, *swapped_data = NULL;
UINT i, j, line_size;
TRACE("(%p,%u,%u,%u,%p)\n", iface, lineCount, cbStride, cbBufferSize, pbPixels);
EnterCriticalSection(&This->parent->lock);
if (!This->initialized || !This->width || !This->height || !This->format)
{
LeaveCriticalSection(&This->parent->lock);
return WINCODEC_ERR_WRONGSTATE;
}
if (lineCount == 0 || lineCount + This->lines_written > This->height)
{
LeaveCriticalSection(&This->parent->lock);
return E_INVALIDARG;
}
line_size = ((This->width * This->format->bpp)+7)/8;
if (This->format->reverse_bgr)
{
swapped_data = HeapAlloc(GetProcessHeap(), 0, line_size);
if (!swapped_data)
{
LeaveCriticalSection(&This->parent->lock);
return E_OUTOFMEMORY;
}
}
if (!This->info_written)
{
pTIFFSetField(This->parent->tiff, TIFFTAG_PHOTOMETRIC, (uint16)This->format->photometric);
pTIFFSetField(This->parent->tiff, TIFFTAG_PLANARCONFIG, (uint16)1);
pTIFFSetField(This->parent->tiff, TIFFTAG_BITSPERSAMPLE, (uint16)This->format->bps);
pTIFFSetField(This->parent->tiff, TIFFTAG_SAMPLESPERPIXEL, (uint16)This->format->samples);
if (This->format->extra_sample)
{
uint16 extra_samples;
extra_samples = This->format->extra_sample_type;
pTIFFSetField(This->parent->tiff, TIFFTAG_EXTRASAMPLES, (uint16)1, &extra_samples);
}
pTIFFSetField(This->parent->tiff, TIFFTAG_IMAGEWIDTH, (uint32)This->width);
pTIFFSetField(This->parent->tiff, TIFFTAG_IMAGELENGTH, (uint32)This->height);
if (This->xres != 0.0 && This->yres != 0.0)
{
pTIFFSetField(This->parent->tiff, TIFFTAG_RESOLUTIONUNIT, (uint16)2); /* Inch */
pTIFFSetField(This->parent->tiff, TIFFTAG_XRESOLUTION, (float)This->xres);
pTIFFSetField(This->parent->tiff, TIFFTAG_YRESOLUTION, (float)This->yres);
}
This->info_written = TRUE;
}
for (i=0; i<lineCount; i++)
{
row_data = pbPixels + i * cbStride;
if (This->format->reverse_bgr && This->format->bps == 8)
{
memcpy(swapped_data, row_data, line_size);
for (j=0; j<line_size; j += This->format->samples)
{
BYTE temp;
temp = swapped_data[j];
swapped_data[j] = swapped_data[j+2];
swapped_data[j+2] = temp;
}
row_data = swapped_data;
}
pTIFFWriteScanline(This->parent->tiff, (tdata_t)row_data, i+This->lines_written, 0);
}
This->lines_written += lineCount;
LeaveCriticalSection(&This->parent->lock);
HeapFree(GetProcessHeap(), 0, swapped_data);
return S_OK;
}
static HRESULT WINAPI TiffFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
@ -1549,6 +1639,7 @@ static HRESULT WINAPI TiffEncoder_CreateNewFrame(IWICBitmapEncoder *iface,
result->height = 0;
result->xres = 0.0;
result->yres = 0.0;
result->lines_written = 0;
IWICBitmapEncoder_AddRef(iface);
*ppIFrameEncode = &result->IWICBitmapFrameEncode_iface;