IWICBitmapDecoder IWICBitmapDecoder_iface;
LONG ref;
IStream *stream;
- CRITICAL_SECTION lock; /* Must be held when tiff is used or initiailzed is set */
+ CRITICAL_SECTION lock; /* Must be held when tiff is used or initialized is set */
TIFF *tiff;
BOOL initialized;
} TiffDecoder;
const WICPixelFormatGUID *format;
int bps;
int samples;
- int bpp;
+ int bpp, source_bpp;
int planar;
int indexed;
int reverse_bgr;
decode_info->invert_grayscale = 1;
/* fall through */
case 1: /* BlackIsZero */
- if (samples != 1)
+ if (samples == 2)
+ {
+ ret = pTIFFGetField(tiff, TIFFTAG_EXTRASAMPLES, &extra_sample_count, &extra_samples);
+ if (!ret)
+ {
+ extra_sample_count = 1;
+ extra_sample = 0;
+ extra_samples = &extra_sample;
+ }
+ }
+ else if (samples != 1)
{
- FIXME("unhandled grayscale sample count %u\n", samples);
+ FIXME("unhandled %dbpp sample count %u\n", bps, samples);
return E_FAIL;
}
- decode_info->bpp = bps;
+ decode_info->bpp = bps * samples;
+ decode_info->source_bpp = decode_info->bpp;
switch (bps)
{
case 1:
+ if (samples != 1)
+ {
+ FIXME("unhandled 1bpp sample count %u\n", samples);
+ return E_FAIL;
+ }
decode_info->format = &GUID_WICPixelFormatBlackWhite;
break;
case 4:
+ if (samples != 1)
+ {
+ FIXME("unhandled 4bpp grayscale sample count %u\n", samples);
+ return E_FAIL;
+ }
decode_info->format = &GUID_WICPixelFormat4bppGray;
break;
case 8:
- decode_info->format = &GUID_WICPixelFormat8bppGray;
+ if (samples == 1)
+ decode_info->format = &GUID_WICPixelFormat8bppGray;
+ else
+ {
+ decode_info->bpp = 32;
+
+ switch(extra_samples[0])
+ {
+ case 1: /* Associated (pre-multiplied) alpha data */
+ decode_info->format = &GUID_WICPixelFormat32bppPBGRA;
+ break;
+ case 0: /* Unspecified data */
+ case 2: /* Unassociated alpha data */
+ decode_info->format = &GUID_WICPixelFormat32bppBGRA;
+ break;
+ default:
+ FIXME("unhandled extra sample type %u\n", extra_samples[0]);
+ return E_FAIL;
+ }
+ }
break;
default:
FIXME("unhandled greyscale bit count %u\n", bps);
hr = E_FAIL;
}
+ /* 8bpp grayscale with extra alpha */
+ if (hr == S_OK && This->decode_info.source_bpp == 16 && This->decode_info.samples == 2 && This->decode_info.bpp == 32)
+ {
+ BYTE *src;
+ DWORD *dst, count = This->decode_info.tile_width * This->decode_info.tile_height;
+
+ src = This->cached_tile + This->decode_info.tile_width * This->decode_info.tile_height * 2 - 2;
+ dst = (DWORD *)(This->cached_tile + This->decode_info.tile_size - 4);
+
+ while (count--)
+ {
+ *dst-- = src[0] | (src[0] << 8) | (src[0] << 16) | (src[1] << 24);
+ src -= 2;
+ }
+ }
+
if (hr == S_OK && This->decode_info.reverse_bgr)
{
if (This->decode_info.bps == 8)
/* FIXME: Use IWICComponentFactory_CreateMetadataReader once it's implemented */
- hr = CoCreateInstance(&CLSID_WICIfdMetadataReader, NULL, CLSCTX_INPROC_SERVER,
- &IID_IWICMetadataReader, (void **)&metadata_reader);
+ hr = IfdMetadataReader_CreateInstance(&IID_IWICMetadataReader, (void **)&metadata_reader);
if (FAILED(hr)) return hr;
hr = IWICMetadataReader_QueryInterface(metadata_reader, &IID_IWICPersistStream, (void **)&persist);
{
TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
HRESULT hr;
- WICRect rc;
- WICPixelFormatGUID guid;
- UINT stride;
- BYTE *pixeldata;
TRACE("(%p,%p,%p)\n", iface, pIBitmapSource, prc);
- if (!This->initialized || !This->width || !This->height)
+ if (!This->initialized)
return WINCODEC_ERR_WRONGSTATE;
- if (!This->format)
- {
- hr = IWICBitmapSource_GetPixelFormat(pIBitmapSource, &guid);
- if (FAILED(hr)) return hr;
- hr = IWICBitmapFrameEncode_SetPixelFormat(iface, &guid);
- if (FAILED(hr)) return hr;
- }
-
- hr = IWICBitmapSource_GetPixelFormat(pIBitmapSource, &guid);
- if (FAILED(hr)) return hr;
- if (memcmp(&guid, This->format->guid, sizeof(GUID)) != 0)
- {
- /* FIXME: should use WICConvertBitmapSource to convert */
- ERR("format %s unsupported\n", debugstr_guid(&guid));
- return E_FAIL;
- }
-
- if (This->xres == 0.0 || This->yres == 0.0)
- {
- double xres, yres;
- hr = IWICBitmapSource_GetResolution(pIBitmapSource, &xres, &yres);
- if (FAILED(hr)) return hr;
- hr = IWICBitmapFrameEncode_SetResolution(iface, xres, yres);
- if (FAILED(hr)) return hr;
- }
-
- if (!prc)
- {
- UINT width, height;
- hr = IWICBitmapSource_GetSize(pIBitmapSource, &width, &height);
- if (FAILED(hr)) return hr;
- rc.X = 0;
- rc.Y = 0;
- rc.Width = width;
- rc.Height = height;
- prc = &rc;
- }
-
- if (prc->Width != This->width) return E_INVALIDARG;
-
- stride = (This->format->bpp * This->width + 7)/8;
-
- pixeldata = HeapAlloc(GetProcessHeap(), 0, stride * prc->Height);
- if (!pixeldata) return E_OUTOFMEMORY;
-
- hr = IWICBitmapSource_CopyPixels(pIBitmapSource, prc, stride,
- stride*prc->Height, pixeldata);
+ hr = configure_write_source(iface, pIBitmapSource, prc,
+ This->format ? This->format->guid : NULL, This->width, This->height,
+ This->xres, This->yres);
if (SUCCEEDED(hr))
{
- hr = IWICBitmapFrameEncode_WritePixels(iface, prc->Height, stride,
- stride*prc->Height, pixeldata);
+ hr = write_source(iface, pIBitmapSource, prc,
+ This->format->guid, This->format->bpp, This->width, This->height);
}
- HeapFree(GetProcessHeap(), 0, pixeldata);
-
- return S_OK;
+ return hr;
}
static HRESULT WINAPI TiffFrameEncode_Commit(IWICBitmapFrameEncode *iface)