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wine/dlls/windowscodecs/imgfactory.c

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/*
* Copyright 2009 Vincent Povirk for CodeWeavers
* Copyright 2012 Dmitry Timoshkov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "objbase.h"
#include "shellapi.h"
#include "wincodec.h"
#include "wincodecsdk.h"
#include "wincodecs_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
typedef struct {
IWICComponentFactory IWICComponentFactory_iface;
LONG ref;
} ComponentFactory;
static inline ComponentFactory *impl_from_IWICComponentFactory(IWICComponentFactory *iface)
{
return CONTAINING_RECORD(iface, ComponentFactory, IWICComponentFactory_iface);
}
static HRESULT WINAPI ComponentFactory_QueryInterface(IWICComponentFactory *iface, REFIID iid,
void **ppv)
{
ComponentFactory *This = impl_from_IWICComponentFactory(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICImagingFactory, iid) ||
IsEqualIID(&IID_IWICComponentFactory, iid))
{
*ppv = &This->IWICComponentFactory_iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI ComponentFactory_AddRef(IWICComponentFactory *iface)
{
ComponentFactory *This = impl_from_IWICComponentFactory(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI ComponentFactory_Release(IWICComponentFactory *iface)
{
ComponentFactory *This = impl_from_IWICComponentFactory(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
HeapFree(GetProcessHeap(), 0, This);
return ref;
}
static HRESULT WINAPI ComponentFactory_CreateDecoderFromFilename(
IWICComponentFactory *iface, LPCWSTR wzFilename, const GUID *pguidVendor,
DWORD dwDesiredAccess, WICDecodeOptions metadataOptions,
IWICBitmapDecoder **ppIDecoder)
{
IWICStream *stream;
HRESULT hr;
TRACE("(%p,%s,%s,%u,%u,%p)\n", iface, debugstr_w(wzFilename),
debugstr_guid(pguidVendor), dwDesiredAccess, metadataOptions, ppIDecoder);
hr = StreamImpl_Create(&stream);
if (SUCCEEDED(hr))
{
hr = IWICStream_InitializeFromFilename(stream, wzFilename, dwDesiredAccess);
if (SUCCEEDED(hr))
{
hr = IWICComponentFactory_CreateDecoderFromStream(iface, (IStream*)stream,
pguidVendor, metadataOptions, ppIDecoder);
}
IWICStream_Release(stream);
}
return hr;
}
static IWICBitmapDecoder *find_decoder(IStream *pIStream, const GUID *pguidVendor,
WICDecodeOptions metadataOptions)
{
IEnumUnknown *enumdecoders;
IUnknown *unkdecoderinfo;
IWICBitmapDecoderInfo *decoderinfo;
IWICBitmapDecoder *decoder = NULL;
GUID vendor;
HRESULT res;
ULONG num_fetched;
BOOL matches;
res = CreateComponentEnumerator(WICDecoder, WICComponentEnumerateDefault, &enumdecoders);
if (FAILED(res)) return NULL;
while (!decoder)
{
res = IEnumUnknown_Next(enumdecoders, 1, &unkdecoderinfo, &num_fetched);
if (res == S_OK)
{
res = IUnknown_QueryInterface(unkdecoderinfo, &IID_IWICBitmapDecoderInfo, (void**)&decoderinfo);
if (SUCCEEDED(res))
{
if (pguidVendor)
{
res = IWICBitmapDecoderInfo_GetVendorGUID(decoderinfo, &vendor);
if (FAILED(res) || !IsEqualIID(&vendor, pguidVendor))
{
IWICBitmapDecoderInfo_Release(decoderinfo);
IUnknown_Release(unkdecoderinfo);
continue;
}
}
res = IWICBitmapDecoderInfo_MatchesPattern(decoderinfo, pIStream, &matches);
if (SUCCEEDED(res) && matches)
{
res = IWICBitmapDecoderInfo_CreateInstance(decoderinfo, &decoder);
/* FIXME: should use QueryCapability to choose a decoder */
if (SUCCEEDED(res))
{
res = IWICBitmapDecoder_Initialize(decoder, pIStream, metadataOptions);
if (FAILED(res))
{
IWICBitmapDecoder_Release(decoder);
decoder = NULL;
}
}
}
IWICBitmapDecoderInfo_Release(decoderinfo);
}
IUnknown_Release(unkdecoderinfo);
}
else
break;
}
IEnumUnknown_Release(enumdecoders);
return decoder;
}
static HRESULT WINAPI ComponentFactory_CreateDecoderFromStream(
IWICComponentFactory *iface, IStream *pIStream, const GUID *pguidVendor,
WICDecodeOptions metadataOptions, IWICBitmapDecoder **ppIDecoder)
{
HRESULT res;
IWICBitmapDecoder *decoder = NULL;
TRACE("(%p,%p,%s,%u,%p)\n", iface, pIStream, debugstr_guid(pguidVendor),
metadataOptions, ppIDecoder);
if (pguidVendor)
decoder = find_decoder(pIStream, pguidVendor, metadataOptions);
if (!decoder)
decoder = find_decoder(pIStream, NULL, metadataOptions);
if (decoder)
{
*ppIDecoder = decoder;
return S_OK;
}
else
{
if (WARN_ON(wincodecs))
{
LARGE_INTEGER seek;
BYTE data[4];
ULONG bytesread;
WARN("failed to load from a stream\n");
seek.QuadPart = 0;
res = IStream_Seek(pIStream, seek, STREAM_SEEK_SET, NULL);
if (SUCCEEDED(res))
res = IStream_Read(pIStream, data, 4, &bytesread);
if (SUCCEEDED(res))
WARN("first %i bytes of stream=%x %x %x %x\n", bytesread, data[0], data[1], data[2], data[3]);
}
*ppIDecoder = NULL;
return WINCODEC_ERR_COMPONENTNOTFOUND;
}
}
static HRESULT WINAPI ComponentFactory_CreateDecoderFromFileHandle(
IWICComponentFactory *iface, ULONG_PTR hFile, const GUID *pguidVendor,
WICDecodeOptions metadataOptions, IWICBitmapDecoder **ppIDecoder)
{
IWICStream *stream;
HRESULT hr;
TRACE("(%p,%lx,%s,%u,%p)\n", iface, hFile, debugstr_guid(pguidVendor),
metadataOptions, ppIDecoder);
hr = StreamImpl_Create(&stream);
if (SUCCEEDED(hr))
{
hr = stream_initialize_from_filehandle(stream, (HANDLE)hFile);
if (SUCCEEDED(hr))
{
hr = IWICComponentFactory_CreateDecoderFromStream(iface, (IStream*)stream,
pguidVendor, metadataOptions, ppIDecoder);
}
IWICStream_Release(stream);
}
return hr;
}
static HRESULT WINAPI ComponentFactory_CreateComponentInfo(IWICComponentFactory *iface,
REFCLSID clsidComponent, IWICComponentInfo **ppIInfo)
{
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(clsidComponent), ppIInfo);
return CreateComponentInfo(clsidComponent, ppIInfo);
}
static HRESULT WINAPI ComponentFactory_CreateDecoder(IWICComponentFactory *iface,
REFGUID guidContainerFormat, const GUID *pguidVendor,
IWICBitmapDecoder **ppIDecoder)
{
IEnumUnknown *enumdecoders;
IUnknown *unkdecoderinfo;
IWICBitmapDecoderInfo *decoderinfo;
IWICBitmapDecoder *decoder = NULL, *preferred_decoder = NULL;
GUID vendor;
HRESULT res;
ULONG num_fetched;
TRACE("(%p,%s,%s,%p)\n", iface, debugstr_guid(guidContainerFormat),
debugstr_guid(pguidVendor), ppIDecoder);
if (!guidContainerFormat || !ppIDecoder) return E_INVALIDARG;
res = CreateComponentEnumerator(WICDecoder, WICComponentEnumerateDefault, &enumdecoders);
if (FAILED(res)) return res;
while (!preferred_decoder)
{
res = IEnumUnknown_Next(enumdecoders, 1, &unkdecoderinfo, &num_fetched);
if (res != S_OK) break;
res = IUnknown_QueryInterface(unkdecoderinfo, &IID_IWICBitmapDecoderInfo, (void **)&decoderinfo);
if (SUCCEEDED(res))
{
GUID container_guid;
res = IWICBitmapDecoderInfo_GetContainerFormat(decoderinfo, &container_guid);
if (SUCCEEDED(res) && IsEqualIID(&container_guid, guidContainerFormat))
{
IWICBitmapDecoder *new_decoder;
res = IWICBitmapDecoderInfo_CreateInstance(decoderinfo, &new_decoder);
if (SUCCEEDED(res))
{
if (pguidVendor)
{
res = IWICBitmapDecoderInfo_GetVendorGUID(decoderinfo, &vendor);
if (SUCCEEDED(res) && IsEqualIID(&vendor, pguidVendor))
{
preferred_decoder = new_decoder;
new_decoder = NULL;
}
}
if (new_decoder && !decoder)
{
decoder = new_decoder;
new_decoder = NULL;
}
if (new_decoder) IWICBitmapDecoder_Release(new_decoder);
}
}
IWICBitmapDecoderInfo_Release(decoderinfo);
}
IUnknown_Release(unkdecoderinfo);
}
IEnumUnknown_Release(enumdecoders);
if (preferred_decoder)
{
*ppIDecoder = preferred_decoder;
if (decoder) IWICBitmapDecoder_Release(decoder);
return S_OK;
}
if (decoder)
{
*ppIDecoder = decoder;
return S_OK;
}
*ppIDecoder = NULL;
return WINCODEC_ERR_COMPONENTNOTFOUND;
}
static HRESULT WINAPI ComponentFactory_CreateEncoder(IWICComponentFactory *iface,
REFGUID guidContainerFormat, const GUID *pguidVendor,
IWICBitmapEncoder **ppIEncoder)
{
static int fixme=0;
IEnumUnknown *enumencoders;
IUnknown *unkencoderinfo;
IWICBitmapEncoderInfo *encoderinfo;
IWICBitmapEncoder *encoder=NULL;
HRESULT res=S_OK;
ULONG num_fetched;
GUID actual_containerformat;
TRACE("(%p,%s,%s,%p)\n", iface, debugstr_guid(guidContainerFormat),
debugstr_guid(pguidVendor), ppIEncoder);
if (pguidVendor && !fixme++)
FIXME("ignoring vendor GUID\n");
res = CreateComponentEnumerator(WICEncoder, WICComponentEnumerateDefault, &enumencoders);
if (FAILED(res)) return res;
while (!encoder)
{
res = IEnumUnknown_Next(enumencoders, 1, &unkencoderinfo, &num_fetched);
if (res == S_OK)
{
res = IUnknown_QueryInterface(unkencoderinfo, &IID_IWICBitmapEncoderInfo, (void**)&encoderinfo);
if (SUCCEEDED(res))
{
res = IWICBitmapEncoderInfo_GetContainerFormat(encoderinfo, &actual_containerformat);
if (SUCCEEDED(res) && IsEqualGUID(guidContainerFormat, &actual_containerformat))
{
res = IWICBitmapEncoderInfo_CreateInstance(encoderinfo, &encoder);
if (FAILED(res))
encoder = NULL;
}
IWICBitmapEncoderInfo_Release(encoderinfo);
}
IUnknown_Release(unkencoderinfo);
}
else
break;
}
IEnumUnknown_Release(enumencoders);
if (encoder)
{
*ppIEncoder = encoder;
return S_OK;
}
else
{
WARN("failed to create encoder\n");
*ppIEncoder = NULL;
return WINCODEC_ERR_COMPONENTNOTFOUND;
}
}
static HRESULT WINAPI ComponentFactory_CreatePalette(IWICComponentFactory *iface,
IWICPalette **ppIPalette)
{
TRACE("(%p,%p)\n", iface, ppIPalette);
return PaletteImpl_Create(ppIPalette);
}
static HRESULT WINAPI ComponentFactory_CreateFormatConverter(IWICComponentFactory *iface,
IWICFormatConverter **ppIFormatConverter)
{
return FormatConverter_CreateInstance(&IID_IWICFormatConverter, (void**)ppIFormatConverter);
}
static HRESULT WINAPI ComponentFactory_CreateBitmapScaler(IWICComponentFactory *iface,
IWICBitmapScaler **ppIBitmapScaler)
{
TRACE("(%p,%p)\n", iface, ppIBitmapScaler);
return BitmapScaler_Create(ppIBitmapScaler);
}
static HRESULT WINAPI ComponentFactory_CreateBitmapClipper(IWICComponentFactory *iface,
IWICBitmapClipper **ppIBitmapClipper)
{
TRACE("(%p,%p)\n", iface, ppIBitmapClipper);
return BitmapClipper_Create(ppIBitmapClipper);
}
static HRESULT WINAPI ComponentFactory_CreateBitmapFlipRotator(IWICComponentFactory *iface,
IWICBitmapFlipRotator **ppIBitmapFlipRotator)
{
TRACE("(%p,%p)\n", iface, ppIBitmapFlipRotator);
return FlipRotator_Create(ppIBitmapFlipRotator);
}
static HRESULT WINAPI ComponentFactory_CreateStream(IWICComponentFactory *iface,
IWICStream **ppIWICStream)
{
TRACE("(%p,%p)\n", iface, ppIWICStream);
return StreamImpl_Create(ppIWICStream);
}
static HRESULT WINAPI ComponentFactory_CreateColorContext(IWICComponentFactory *iface,
IWICColorContext **ppIColorContext)
{
TRACE("(%p,%p)\n", iface, ppIColorContext);
return ColorContext_Create(ppIColorContext);
}
static HRESULT WINAPI ComponentFactory_CreateColorTransformer(IWICComponentFactory *iface,
IWICColorTransform **ppIColorTransform)
{
TRACE("(%p,%p)\n", iface, ppIColorTransform);
return ColorTransform_Create(ppIColorTransform);
}
static HRESULT WINAPI ComponentFactory_CreateBitmap(IWICComponentFactory *iface,
UINT uiWidth, UINT uiHeight, REFWICPixelFormatGUID pixelFormat,
WICBitmapCreateCacheOption option, IWICBitmap **ppIBitmap)
{
TRACE("(%p,%u,%u,%s,%u,%p)\n", iface, uiWidth, uiHeight,
debugstr_guid(pixelFormat), option, ppIBitmap);
return BitmapImpl_Create(uiWidth, uiHeight, 0, 0, NULL, pixelFormat, option, ppIBitmap);
}
static HRESULT WINAPI ComponentFactory_CreateBitmapFromSource(IWICComponentFactory *iface,
IWICBitmapSource *piBitmapSource, WICBitmapCreateCacheOption option,
IWICBitmap **ppIBitmap)
{
IWICBitmap *result;
IWICBitmapLock *lock;
IWICPalette *palette;
UINT width, height;
WICPixelFormatGUID pixelformat = {0};
HRESULT hr;
WICRect rc;
double dpix, dpiy;
IWICComponentInfo *info;
IWICPixelFormatInfo2 *formatinfo;
WICPixelFormatNumericRepresentation format_type;
TRACE("(%p,%p,%u,%p)\n", iface, piBitmapSource, option, ppIBitmap);
if (!piBitmapSource || !ppIBitmap)
return E_INVALIDARG;
hr = IWICBitmapSource_GetSize(piBitmapSource, &width, &height);
if (SUCCEEDED(hr))
hr = IWICBitmapSource_GetPixelFormat(piBitmapSource, &pixelformat);
if (SUCCEEDED(hr))
hr = CreateComponentInfo(&pixelformat, &info);
if (SUCCEEDED(hr))
{
hr = IWICComponentInfo_QueryInterface(info, &IID_IWICPixelFormatInfo2, (void**)&formatinfo);
if (SUCCEEDED(hr))
{
hr = IWICPixelFormatInfo2_GetNumericRepresentation(formatinfo, &format_type);
IWICPixelFormatInfo2_Release(formatinfo);
}
IWICComponentInfo_Release(info);
}
if (SUCCEEDED(hr))
hr = BitmapImpl_Create(width, height, 0, 0, NULL, &pixelformat, option, &result);
if (SUCCEEDED(hr))
{
hr = IWICBitmap_Lock(result, NULL, WICBitmapLockWrite, &lock);
if (SUCCEEDED(hr))
{
UINT stride, buffersize;
BYTE *buffer;
rc.X = rc.Y = 0;
rc.Width = width;
rc.Height = height;
hr = IWICBitmapLock_GetStride(lock, &stride);
if (SUCCEEDED(hr))
hr = IWICBitmapLock_GetDataPointer(lock, &buffersize, &buffer);
if (SUCCEEDED(hr))
hr = IWICBitmapSource_CopyPixels(piBitmapSource, &rc, stride,
buffersize, buffer);
IWICBitmapLock_Release(lock);
}
if (SUCCEEDED(hr))
hr = PaletteImpl_Create(&palette);
if (SUCCEEDED(hr) && (format_type == WICPixelFormatNumericRepresentationUnspecified ||
format_type == WICPixelFormatNumericRepresentationIndexed))
{
hr = IWICBitmapSource_CopyPalette(piBitmapSource, palette);
if (SUCCEEDED(hr))
hr = IWICBitmap_SetPalette(result, palette);
else
hr = S_OK;
IWICPalette_Release(palette);
}
if (SUCCEEDED(hr))
{
hr = IWICBitmapSource_GetResolution(piBitmapSource, &dpix, &dpiy);
if (SUCCEEDED(hr))
hr = IWICBitmap_SetResolution(result, dpix, dpiy);
else
hr = S_OK;
}
if (SUCCEEDED(hr))
*ppIBitmap = result;
else
IWICBitmap_Release(result);
}
return hr;
}
static HRESULT WINAPI ComponentFactory_CreateBitmapFromSourceRect(IWICComponentFactory *iface,
IWICBitmapSource *piBitmapSource, UINT x, UINT y, UINT width, UINT height,
IWICBitmap **ppIBitmap)
{
FIXME("(%p,%p,%u,%u,%u,%u,%p): stub\n", iface, piBitmapSource, x, y, width,
height, ppIBitmap);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateBitmapFromMemory(IWICComponentFactory *iface,
UINT width, UINT height, REFWICPixelFormatGUID format, UINT stride,
UINT size, BYTE *buffer, IWICBitmap **bitmap)
{
TRACE("(%p,%u,%u,%s,%u,%u,%p,%p\n", iface, width, height,
debugstr_guid(format), stride, size, buffer, bitmap);
if (!stride || !size || !buffer || !bitmap) return E_INVALIDARG;
return BitmapImpl_Create(width, height, stride, size, buffer, format, WICBitmapCacheOnLoad, bitmap);
}
static BOOL get_16bpp_format(HBITMAP hbm, WICPixelFormatGUID *format)
{
BOOL ret = TRUE;
BITMAPV4HEADER bmh;
HDC hdc;
hdc = CreateCompatibleDC(0);
memset(&bmh, 0, sizeof(bmh));
bmh.bV4Size = sizeof(bmh);
bmh.bV4Width = 1;
bmh.bV4Height = 1;
bmh.bV4V4Compression = BI_BITFIELDS;
bmh.bV4BitCount = 16;
GetDIBits(hdc, hbm, 0, 0, NULL, (BITMAPINFO *)&bmh, DIB_RGB_COLORS);
if (bmh.bV4RedMask == 0x7c00 &&
bmh.bV4GreenMask == 0x3e0 &&
bmh.bV4BlueMask == 0x1f)
{
*format = GUID_WICPixelFormat16bppBGR555;
}
else if (bmh.bV4RedMask == 0xf800 &&
bmh.bV4GreenMask == 0x7e0 &&
bmh.bV4BlueMask == 0x1f)
{
*format = GUID_WICPixelFormat16bppBGR565;
}
else
{
FIXME("unrecognized bitfields %x,%x,%x\n", bmh.bV4RedMask,
bmh.bV4GreenMask, bmh.bV4BlueMask);
ret = FALSE;
}
DeleteDC(hdc);
return ret;
}
static HRESULT WINAPI ComponentFactory_CreateBitmapFromHBITMAP(IWICComponentFactory *iface,
HBITMAP hbm, HPALETTE hpal, WICBitmapAlphaChannelOption option, IWICBitmap **bitmap)
{
BITMAP bm;
HRESULT hr;
WICPixelFormatGUID format;
IWICBitmapLock *lock;
UINT size, num_palette_entries = 0;
PALETTEENTRY entry[256];
TRACE("(%p,%p,%p,%u,%p)\n", iface, hbm, hpal, option, bitmap);
if (!bitmap) return E_INVALIDARG;
if (GetObjectW(hbm, sizeof(bm), &bm) != sizeof(bm))
return WINCODEC_ERR_WIN32ERROR;
if (hpal)
{
num_palette_entries = GetPaletteEntries(hpal, 0, 256, entry);
if (!num_palette_entries)
return WINCODEC_ERR_WIN32ERROR;
}
/* TODO: Figure out the correct format for 16, 32, 64 bpp */
switch(bm.bmBitsPixel)
{
case 1:
format = GUID_WICPixelFormat1bppIndexed;
break;
case 4:
format = GUID_WICPixelFormat4bppIndexed;
break;
case 8:
format = GUID_WICPixelFormat8bppIndexed;
break;
case 16:
if (!get_16bpp_format(hbm, &format))
return E_INVALIDARG;
break;
case 24:
format = GUID_WICPixelFormat24bppBGR;
break;
case 32:
switch (option)
{
case WICBitmapUseAlpha:
format = GUID_WICPixelFormat32bppBGRA;
break;
case WICBitmapUsePremultipliedAlpha:
format = GUID_WICPixelFormat32bppPBGRA;
break;
case WICBitmapIgnoreAlpha:
format = GUID_WICPixelFormat32bppBGR;
break;
default:
return E_INVALIDARG;
}
break;
case 48:
format = GUID_WICPixelFormat48bppRGB;
break;
default:
FIXME("unsupported %d bpp\n", bm.bmBitsPixel);
return E_INVALIDARG;
}
hr = BitmapImpl_Create(bm.bmWidth, bm.bmHeight, bm.bmWidthBytes, 0, NULL, &format, option, bitmap);
if (hr != S_OK) return hr;
hr = IWICBitmap_Lock(*bitmap, NULL, WICBitmapLockWrite, &lock);
if (hr == S_OK)
{
BYTE *buffer;
HDC hdc;
char bmibuf[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
BITMAPINFO *bmi = (BITMAPINFO *)bmibuf;
IWICBitmapLock_GetDataPointer(lock, &size, &buffer);
hdc = CreateCompatibleDC(0);
bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi->bmiHeader.biBitCount = 0;
GetDIBits(hdc, hbm, 0, 0, NULL, bmi, DIB_RGB_COLORS);
bmi->bmiHeader.biHeight = -bm.bmHeight;
GetDIBits(hdc, hbm, 0, bm.bmHeight, buffer, bmi, DIB_RGB_COLORS);
DeleteDC(hdc);
IWICBitmapLock_Release(lock);
if (num_palette_entries)
{
IWICPalette *palette;
WICColor colors[256];
UINT i;
hr = PaletteImpl_Create(&palette);
if (hr == S_OK)
{
for (i = 0; i < num_palette_entries; i++)
colors[i] = 0xff000000 | entry[i].peRed << 16 |
entry[i].peGreen << 8 | entry[i].peBlue;
hr = IWICPalette_InitializeCustom(palette, colors, num_palette_entries);
if (hr == S_OK)
hr = IWICBitmap_SetPalette(*bitmap, palette);
IWICPalette_Release(palette);
}
}
}
if (hr != S_OK)
{
IWICBitmap_Release(*bitmap);
*bitmap = NULL;
}
return hr;
}
static HRESULT WINAPI ComponentFactory_CreateBitmapFromHICON(IWICComponentFactory *iface,
HICON hicon, IWICBitmap **bitmap)
{
IWICBitmapLock *lock;
ICONINFO info;
BITMAP bm;
int width, height, x, y;
UINT stride, size;
BYTE *buffer;
DWORD *bits;
BITMAPINFO bi;
HDC hdc;
BOOL has_alpha;
HRESULT hr;
TRACE("(%p,%p,%p)\n", iface, hicon, bitmap);
if (!bitmap) return E_INVALIDARG;
if (!GetIconInfo(hicon, &info))
return HRESULT_FROM_WIN32(GetLastError());
GetObjectW(info.hbmColor ? info.hbmColor : info.hbmMask, sizeof(bm), &bm);
width = bm.bmWidth;
height = info.hbmColor ? abs(bm.bmHeight) : abs(bm.bmHeight) / 2;
stride = width * 4;
size = stride * height;
hr = BitmapImpl_Create(width, height, stride, size, NULL,
&GUID_WICPixelFormat32bppBGRA, WICBitmapCacheOnLoad, bitmap);
if (hr != S_OK) goto failed;
hr = IWICBitmap_Lock(*bitmap, NULL, WICBitmapLockWrite, &lock);
if (hr != S_OK)
{
IWICBitmap_Release(*bitmap);
goto failed;
}
IWICBitmapLock_GetDataPointer(lock, &size, &buffer);
hdc = CreateCompatibleDC(0);
memset(&bi, 0, sizeof(bi));
bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
bi.bmiHeader.biWidth = width;
bi.bmiHeader.biHeight = info.hbmColor ? -height: -height * 2;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 32;
bi.bmiHeader.biCompression = BI_RGB;
has_alpha = FALSE;
if (info.hbmColor)
{
GetDIBits(hdc, info.hbmColor, 0, height, buffer, &bi, DIB_RGB_COLORS);
if (bm.bmBitsPixel == 32)
{
/* If any pixel has a non-zero alpha, ignore hbmMask */
bits = (DWORD *)buffer;
for (x = 0; x < width && !has_alpha; x++, bits++)
{
for (y = 0; y < height; y++)
{
if (*bits & 0xff000000)
{
has_alpha = TRUE;
break;
}
}
}
}
}
else
GetDIBits(hdc, info.hbmMask, 0, height, buffer, &bi, DIB_RGB_COLORS);
if (!has_alpha)
{
DWORD *rgba;
if (info.hbmMask)
{
BYTE *mask;
mask = HeapAlloc(GetProcessHeap(), 0, size);
if (!mask)
{
IWICBitmapLock_Release(lock);
IWICBitmap_Release(*bitmap);
DeleteDC(hdc);
hr = E_OUTOFMEMORY;
goto failed;
}
/* read alpha data from the mask */
GetDIBits(hdc, info.hbmMask, info.hbmColor ? 0 : height, height, mask, &bi, DIB_RGB_COLORS);
for (y = 0; y < height; y++)
{
rgba = (DWORD *)(buffer + y * stride);
bits = (DWORD *)(mask + y * stride);
for (x = 0; x < width; x++, rgba++, bits++)
{
if (*bits)
*rgba = 0;
else
*rgba |= 0xff000000;
}
}
HeapFree(GetProcessHeap(), 0, mask);
}
else
{
/* set constant alpha of 255 */
for (y = 0; y < height; y++)
{
rgba = (DWORD *)(buffer + y * stride);
for (x = 0; x < width; x++, rgba++)
*rgba |= 0xff000000;
}
}
}
IWICBitmapLock_Release(lock);
DeleteDC(hdc);
failed:
DeleteObject(info.hbmColor);
DeleteObject(info.hbmMask);
return hr;
}
static HRESULT WINAPI ComponentFactory_CreateComponentEnumerator(IWICComponentFactory *iface,
DWORD componentTypes, DWORD options, IEnumUnknown **ppIEnumUnknown)
{
TRACE("(%p,%u,%u,%p)\n", iface, componentTypes, options, ppIEnumUnknown);
return CreateComponentEnumerator(componentTypes, options, ppIEnumUnknown);
}
static HRESULT WINAPI ComponentFactory_CreateFastMetadataEncoderFromDecoder(
IWICComponentFactory *iface, IWICBitmapDecoder *pIDecoder,
IWICFastMetadataEncoder **ppIFastEncoder)
{
FIXME("(%p,%p,%p): stub\n", iface, pIDecoder, ppIFastEncoder);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateFastMetadataEncoderFromFrameDecode(
IWICComponentFactory *iface, IWICBitmapFrameDecode *pIFrameDecoder,
IWICFastMetadataEncoder **ppIFastEncoder)
{
FIXME("(%p,%p,%p): stub\n", iface, pIFrameDecoder, ppIFastEncoder);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateQueryWriter(IWICComponentFactory *iface,
REFGUID guidMetadataFormat, const GUID *pguidVendor,
IWICMetadataQueryWriter **ppIQueryWriter)
{
FIXME("(%p,%s,%s,%p): stub\n", iface, debugstr_guid(guidMetadataFormat),
debugstr_guid(pguidVendor), ppIQueryWriter);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateQueryWriterFromReader(IWICComponentFactory *iface,
IWICMetadataQueryReader *pIQueryReader, const GUID *pguidVendor,
IWICMetadataQueryWriter **ppIQueryWriter)
{
FIXME("(%p,%p,%s,%p): stub\n", iface, pIQueryReader, debugstr_guid(pguidVendor),
ppIQueryWriter);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateMetadataReader(IWICComponentFactory *iface,
REFGUID format, const GUID *vendor, DWORD options, IStream *stream, IWICMetadataReader **reader)
{
FIXME("%p,%s,%s,%x,%p,%p: stub\n", iface, debugstr_guid(format), debugstr_guid(vendor),
options, stream, reader);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateMetadataReaderFromContainer(IWICComponentFactory *iface,
REFGUID format, const GUID *vendor, DWORD options, IStream *stream, IWICMetadataReader **reader)
{
FIXME("%p,%s,%s,%x,%p,%p: stub\n", iface, debugstr_guid(format), debugstr_guid(vendor),
options, stream, reader);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateMetadataWriter(IWICComponentFactory *iface,
REFGUID format, const GUID *vendor, DWORD options, IWICMetadataWriter **writer)
{
FIXME("%p,%s,%s,%x,%p: stub\n", iface, debugstr_guid(format), debugstr_guid(vendor), options, writer);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateMetadataWriterFromReader(IWICComponentFactory *iface,
IWICMetadataReader *reader, const GUID *vendor, IWICMetadataWriter **writer)
{
FIXME("%p,%p,%s,%p: stub\n", iface, reader, debugstr_guid(vendor), writer);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateQueryReaderFromBlockReader(IWICComponentFactory *iface,
IWICMetadataBlockReader *block_reader, IWICMetadataQueryReader **query_reader)
{
FIXME("%p,%p,%p: stub\n", iface, block_reader, query_reader);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateQueryWriterFromBlockWriter(IWICComponentFactory *iface,
IWICMetadataBlockWriter *block_writer, IWICMetadataQueryWriter **query_writer)
{
FIXME("%p,%p,%p: stub\n", iface, block_writer, query_writer);
return E_NOTIMPL;
}
static HRESULT WINAPI ComponentFactory_CreateEncoderPropertyBag(IWICComponentFactory *iface,
PROPBAG2 *options, UINT count, IPropertyBag2 **property)
{
TRACE("(%p,%p,%u,%p)\n", iface, options, count, property);
return CreatePropertyBag2(options, count, property);
}
static const IWICComponentFactoryVtbl ComponentFactory_Vtbl = {
ComponentFactory_QueryInterface,
ComponentFactory_AddRef,
ComponentFactory_Release,
ComponentFactory_CreateDecoderFromFilename,
ComponentFactory_CreateDecoderFromStream,
ComponentFactory_CreateDecoderFromFileHandle,
ComponentFactory_CreateComponentInfo,
ComponentFactory_CreateDecoder,
ComponentFactory_CreateEncoder,
ComponentFactory_CreatePalette,
ComponentFactory_CreateFormatConverter,
ComponentFactory_CreateBitmapScaler,
ComponentFactory_CreateBitmapClipper,
ComponentFactory_CreateBitmapFlipRotator,
ComponentFactory_CreateStream,
ComponentFactory_CreateColorContext,
ComponentFactory_CreateColorTransformer,
ComponentFactory_CreateBitmap,
ComponentFactory_CreateBitmapFromSource,
ComponentFactory_CreateBitmapFromSourceRect,
ComponentFactory_CreateBitmapFromMemory,
ComponentFactory_CreateBitmapFromHBITMAP,
ComponentFactory_CreateBitmapFromHICON,
ComponentFactory_CreateComponentEnumerator,
ComponentFactory_CreateFastMetadataEncoderFromDecoder,
ComponentFactory_CreateFastMetadataEncoderFromFrameDecode,
ComponentFactory_CreateQueryWriter,
ComponentFactory_CreateQueryWriterFromReader,
ComponentFactory_CreateMetadataReader,
ComponentFactory_CreateMetadataReaderFromContainer,
ComponentFactory_CreateMetadataWriter,
ComponentFactory_CreateMetadataWriterFromReader,
ComponentFactory_CreateQueryReaderFromBlockReader,
ComponentFactory_CreateQueryWriterFromBlockWriter,
ComponentFactory_CreateEncoderPropertyBag
};
HRESULT ComponentFactory_CreateInstance(REFIID iid, void** ppv)
{
ComponentFactory *This;
HRESULT ret;
TRACE("(%s,%p)\n", debugstr_guid(iid), ppv);
*ppv = NULL;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(ComponentFactory));
if (!This) return E_OUTOFMEMORY;
This->IWICComponentFactory_iface.lpVtbl = &ComponentFactory_Vtbl;
This->ref = 1;
ret = IWICComponentFactory_QueryInterface(&This->IWICComponentFactory_iface, iid, ppv);
IWICComponentFactory_Release(&This->IWICComponentFactory_iface);
return ret;
}
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