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![Eric Pouech](/assets/img/avatar_default.png)
Signed-off-by: Eric Pouech <eric.pouech@gmail.com> Signed-off-by: Esme Povirk <esme@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
212 lines
5.6 KiB
C
212 lines
5.6 KiB
C
/*
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* wincodecs_common.c - Functions shared with other WIC libraries.
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*
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* Copyright 2020 Esme Povirk
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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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#define COBJMACROS
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "objbase.h"
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#include "wincodecs_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
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#include "wincodecs_common.h"
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HRESULT configure_write_source(IWICBitmapFrameEncode *iface,
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IWICBitmapSource *source, const WICRect *prc,
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const WICPixelFormatGUID *format,
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INT width, INT height, double xres, double yres)
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{
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UINT src_width, src_height;
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HRESULT hr = S_OK;
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if (width == 0 && height == 0)
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{
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if (prc)
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{
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if (prc->Width <= 0 || prc->Height <= 0) return E_INVALIDARG;
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width = prc->Width;
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height = prc->Height;
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}
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else
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{
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hr = IWICBitmapSource_GetSize(source, &src_width, &src_height);
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if (FAILED(hr)) return hr;
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if (src_width == 0 || src_height == 0) return E_INVALIDARG;
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width = src_width;
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height = src_height;
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}
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hr = IWICBitmapFrameEncode_SetSize(iface, (UINT)width, (UINT)height);
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if (FAILED(hr)) return hr;
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}
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if (width == 0 || height == 0) return E_INVALIDARG;
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if (!format)
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{
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WICPixelFormatGUID src_format;
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hr = IWICBitmapSource_GetPixelFormat(source, &src_format);
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if (FAILED(hr)) return hr;
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hr = IWICBitmapFrameEncode_SetPixelFormat(iface, &src_format);
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if (FAILED(hr)) return hr;
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}
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if (xres == 0.0 || yres == 0.0)
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{
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hr = IWICBitmapSource_GetResolution(source, &xres, &yres);
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if (FAILED(hr)) return hr;
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hr = IWICBitmapFrameEncode_SetResolution(iface, xres, yres);
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if (FAILED(hr)) return hr;
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}
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return hr;
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}
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HRESULT write_source(IWICBitmapFrameEncode *iface,
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IWICBitmapSource *source, const WICRect *prc,
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const WICPixelFormatGUID *format, UINT bpp, BOOL need_palette,
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INT width, INT height)
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{
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IWICBitmapSource *converted_source;
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HRESULT hr=S_OK;
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WICRect rc;
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UINT stride;
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BYTE* pixeldata;
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if (!prc)
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{
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UINT src_width, src_height;
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hr = IWICBitmapSource_GetSize(source, &src_width, &src_height);
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if (FAILED(hr)) return hr;
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rc.X = 0;
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rc.Y = 0;
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rc.Width = src_width;
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rc.Height = src_height;
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prc = &rc;
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}
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if (prc->Width != width || prc->Height <= 0)
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return E_INVALIDARG;
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hr = WICConvertBitmapSource(format, source, &converted_source);
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if (FAILED(hr))
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{
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ERR("Failed to convert source, target format %s, %#lx\n", debugstr_guid(format), hr);
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return E_NOTIMPL;
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}
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if (need_palette)
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{
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IWICImagingFactory *factory;
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IWICPalette *palette;
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hr = create_instance(&CLSID_WICImagingFactory, &IID_IWICImagingFactory, (void**)&factory);
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if (SUCCEEDED(hr))
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{
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hr = IWICImagingFactory_CreatePalette(factory, &palette);
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IWICImagingFactory_Release(factory);
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}
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if (SUCCEEDED(hr))
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{
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hr = IWICBitmapSource_CopyPalette(converted_source, palette);
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if (SUCCEEDED(hr))
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hr = IWICBitmapFrameEncode_SetPalette(iface, palette);
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IWICPalette_Release(palette);
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}
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if (FAILED(hr))
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{
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IWICBitmapSource_Release(converted_source);
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return hr;
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}
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}
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stride = (bpp * width + 7)/8;
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pixeldata = HeapAlloc(GetProcessHeap(), 0, stride * prc->Height);
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if (!pixeldata)
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{
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IWICBitmapSource_Release(converted_source);
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return E_OUTOFMEMORY;
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}
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hr = IWICBitmapSource_CopyPixels(converted_source, prc, stride,
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stride*prc->Height, pixeldata);
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if (SUCCEEDED(hr))
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{
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hr = IWICBitmapFrameEncode_WritePixels(iface, prc->Height, stride,
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stride*prc->Height, pixeldata);
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}
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HeapFree(GetProcessHeap(), 0, pixeldata);
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IWICBitmapSource_Release(converted_source);
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return hr;
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}
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HRESULT CDECL stream_getsize(IStream *stream, ULONGLONG *size)
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{
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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))
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*size = statstg.cbSize.QuadPart;
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return hr;
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}
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HRESULT CDECL stream_read(IStream *stream, void *buffer, ULONG read, ULONG *bytes_read)
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{
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return IStream_Read(stream, buffer, read, bytes_read);
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}
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HRESULT CDECL stream_seek(IStream *stream, LONGLONG ofs, DWORD origin, ULONGLONG *new_position)
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{
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HRESULT hr;
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LARGE_INTEGER ofs_large;
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ULARGE_INTEGER pos_large;
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ofs_large.QuadPart = ofs;
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hr = IStream_Seek(stream, ofs_large, origin, &pos_large);
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if (new_position)
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*new_position = pos_large.QuadPart;
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return hr;
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}
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HRESULT CDECL stream_write(IStream *stream, const void *buffer, ULONG write, ULONG *bytes_written)
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{
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return IStream_Write(stream, buffer, write, bytes_written);
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}
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