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windowscodecs: Add test for pixel format conversion.
This commit is contained in:
Vincent Povirk
Alexandre Julliard
parent
447e5d1fac
commit
83d8f615b3
@ -3,10 +3,11 @@ TOPOBJDIR = ../../..
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SRCDIR = @srcdir@
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VPATH = @srcdir@
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TESTDLL = windowscodecs.dll
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IMPORTS = kernel32 ole32
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IMPORTS = kernel32 ole32 windowscodecs
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CTESTS = \
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bmpformat.c \
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converter.c \
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palette.c
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@MAKE_TEST_RULES@
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332
dlls/windowscodecs/tests/converter.c
Normal file
332
dlls/windowscodecs/tests/converter.c
Normal file
@ -0,0 +1,332 @@
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/*
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* Copyright 2009 Vincent 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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#include <stdarg.h>
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#include <math.h>
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#define COBJMACROS
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#include "windef.h"
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#include "objbase.h"
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#include "wincodec.h"
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#include "wine/test.h"
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typedef struct bitmap_data {
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const WICPixelFormatGUID *format;
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UINT bpp;
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const BYTE *bits;
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UINT width;
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UINT height;
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double xres;
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double yres;
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} bitmap_data;
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typedef struct BitmapTestSrc {
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const IWICBitmapSourceVtbl *lpVtbl;
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LONG ref;
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const bitmap_data *data;
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} BitmapTestSrc;
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static HRESULT WINAPI BitmapTestSrc_QueryInterface(IWICBitmapSource *iface, REFIID iid,
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void **ppv)
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{
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(&IID_IUnknown, iid) ||
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IsEqualIID(&IID_IWICBitmapSource, iid))
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*ppv = iface;
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else
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return E_NOINTERFACE;
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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 BitmapTestSrc_AddRef(IWICBitmapSource *iface)
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{
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BitmapTestSrc *This = (BitmapTestSrc*)iface;
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ULONG ref = InterlockedIncrement(&This->ref);
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return ref;
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}
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static ULONG WINAPI BitmapTestSrc_Release(IWICBitmapSource *iface)
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{
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BitmapTestSrc *This = (BitmapTestSrc*)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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return ref;
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}
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static HRESULT WINAPI BitmapTestSrc_GetSize(IWICBitmapSource *iface,
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UINT *puiWidth, UINT *puiHeight)
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{
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BitmapTestSrc *This = (BitmapTestSrc*)iface;
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*puiWidth = This->data->width;
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*puiHeight = This->data->height;
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return S_OK;
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}
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static HRESULT WINAPI BitmapTestSrc_GetPixelFormat(IWICBitmapSource *iface,
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WICPixelFormatGUID *pPixelFormat)
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{
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BitmapTestSrc *This = (BitmapTestSrc*)iface;
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memcpy(pPixelFormat, This->data->format, sizeof(GUID));
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return S_OK;
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}
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static HRESULT WINAPI BitmapTestSrc_GetResolution(IWICBitmapSource *iface,
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double *pDpiX, double *pDpiY)
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{
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BitmapTestSrc *This = (BitmapTestSrc*)iface;
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*pDpiX = This->data->xres;
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*pDpiY = This->data->yres;
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return S_OK;
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}
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static HRESULT WINAPI BitmapTestSrc_CopyPalette(IWICBitmapSource *iface,
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IWICPalette *pIPalette)
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{
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return E_NOTIMPL;
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}
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static HRESULT WINAPI BitmapTestSrc_CopyPixels(IWICBitmapSource *iface,
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const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
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{
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BitmapTestSrc *This = (BitmapTestSrc*)iface;
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UINT bytesperrow;
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UINT srcstride;
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UINT row_offset;
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if (prc->X < 0 || prc->Y < 0 || prc->X+prc->Width > This->data->width || prc->Y+prc->Height > This->data->height)
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return E_INVALIDARG;
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bytesperrow = ((This->data->bpp * prc->Width)+7)/8;
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srcstride = ((This->data->bpp * This->data->width)+7)/8;
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if (cbStride < bytesperrow)
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return E_INVALIDARG;
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if ((cbStride * prc->Height) > cbBufferSize)
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return E_INVALIDARG;
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row_offset = prc->X * This->data->bpp;
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if (row_offset % 8 == 0)
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{
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UINT row;
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const BYTE *src;
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BYTE *dst;
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src = This->data->bits + (row_offset / 8) + prc->Y * srcstride;
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dst = pbBuffer;
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for (row=0; row < prc->Height; row++)
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{
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memcpy(dst, src, bytesperrow);
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src += srcstride;
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dst += cbStride;
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}
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return S_OK;
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}
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else
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{
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ok(0, "bitmap %p was asked to copy pixels not aligned on a byte boundary\n", iface);
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return E_FAIL;
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}
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}
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static const IWICBitmapSourceVtbl BitmapTestSrc_Vtbl = {
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BitmapTestSrc_QueryInterface,
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BitmapTestSrc_AddRef,
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BitmapTestSrc_Release,
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BitmapTestSrc_GetSize,
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BitmapTestSrc_GetPixelFormat,
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BitmapTestSrc_GetResolution,
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BitmapTestSrc_CopyPalette,
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BitmapTestSrc_CopyPixels
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};
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void CreateTestBitmap(const bitmap_data *data, IWICBitmapSource **bitmap)
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{
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BitmapTestSrc *This = HeapAlloc(GetProcessHeap(), 0, sizeof(BitmapTestSrc));
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if (This)
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{
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This->lpVtbl = &BitmapTestSrc_Vtbl;
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This->ref = 1;
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This->data = data;
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*bitmap = (IWICBitmapSource*)This;
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}
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else
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*bitmap = NULL;
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}
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void DeleteTestBitmap(IWICBitmapSource *bitmap)
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{
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BitmapTestSrc *This = (BitmapTestSrc*)bitmap;
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ok(This->lpVtbl == &BitmapTestSrc_Vtbl, "test bitmap %p deleted with incorrect vtable\n", bitmap);
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ok(This->ref == 1, "test bitmap %p deleted with %i references instead of 1\n", bitmap, This->ref);
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HeapFree(GetProcessHeap(), 0, This);
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}
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void compare_bitmap_data(const struct bitmap_data *expect, IWICBitmapSource *source, const char *name)
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{
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BYTE *converted_bits;
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UINT width, height;
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double xres, yres;
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WICRect prc;
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UINT stride, buffersize;
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GUID dst_pixelformat;
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HRESULT hr;
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hr = IWICBitmapSource_GetSize(source, &width, &height);
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ok(SUCCEEDED(hr), "GetSize(%s) failed, hr=%x\n", name, hr);
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ok(width == expect->width, "expecting %u, got %u (%s)\n", expect->width, width, name);
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ok(height == expect->height, "expecting %u, got %u (%s)\n", expect->height, height, name);
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hr = IWICBitmapSource_GetResolution(source, &xres, &yres);
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ok(SUCCEEDED(hr), "GetResolution(%s) failed, hr=%x\n", name, hr);
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ok(fabs(xres - expect->xres) < 0.01, "expecting %0.2f, got %0.2f (%s)\n", expect->xres, xres, name);
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ok(fabs(yres - expect->yres) < 0.01, "expecting %0.2f, got %0.2f (%s)\n", expect->yres, yres, name);
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hr = IWICBitmapSource_GetPixelFormat(source, &dst_pixelformat);
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ok(SUCCEEDED(hr), "GetPixelFormat(%s) failed, hr=%x\n", name, hr);
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ok(IsEqualGUID(&dst_pixelformat, expect->format), "got unexpected pixel format (%s)\n", name);
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prc.X = 0;
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prc.Y = 0;
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prc.Width = expect->width;
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prc.Height = expect->height;
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stride = (expect->bpp * expect->width + 7) / 8;
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buffersize = stride * expect->height;
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converted_bits = HeapAlloc(GetProcessHeap(), 0, buffersize);
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hr = IWICBitmapSource_CopyPixels(source, &prc, stride, buffersize, converted_bits);
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ok(SUCCEEDED(hr), "CopyPixels(%s) failed, hr=%x\n", name, hr);
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if (IsEqualGUID(expect->format, &GUID_WICPixelFormat32bppBGR))
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{
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/* ignore the padding byte when comparing data */
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UINT i;
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BOOL equal=TRUE;
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const DWORD *a=(const DWORD*)expect->bits, *b=(const DWORD*)converted_bits;
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for (i=0; i<(buffersize/4); i++)
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if ((a[i]&0xffffff) != (b[i]&0xffffff))
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{
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equal = FALSE;
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break;
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}
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ok(equal, "unexpected pixel data (%s)\n", name);
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}
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else
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ok(memcmp(expect->bits, converted_bits, buffersize) == 0, "unexpected pixel data (%s)\n", name);
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HeapFree(GetProcessHeap(), 0, converted_bits);
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}
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static const BYTE bits_32bppBGR[] = {
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255,0,0,80, 0,255,0,80, 0,0,255,80, 0,0,0,80,
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0,255,255,80, 255,0,255,80, 255,255,0,80, 255,255,255,80};
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static const struct bitmap_data testdata_32bppBGR = {
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&GUID_WICPixelFormat32bppBGR, 32, bits_32bppBGR, 4, 2, 96.0, 96.0};
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static const BYTE bits_32bppBGRA[] = {
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255,0,0,255, 0,255,0,255, 0,0,255,255, 0,0,0,255,
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0,255,255,255, 255,0,255,255, 255,255,0,255, 255,255,255,255};
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static const struct bitmap_data testdata_32bppBGRA = {
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&GUID_WICPixelFormat32bppBGRA, 32, bits_32bppBGRA, 4, 2, 96.0, 96.0};
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void test_conversion(const struct bitmap_data *src, const struct bitmap_data *dst, const char *name, BOOL todo)
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{
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IWICBitmapSource *src_bitmap, *dst_bitmap;
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HRESULT hr;
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CreateTestBitmap(src, &src_bitmap);
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hr = WICConvertBitmapSource(dst->format, src_bitmap, &dst_bitmap);
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if (todo)
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todo_wine ok(SUCCEEDED(hr), "WICConvertBitmapSource(%s) failed, hr=%x\n", name, hr);
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else
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ok(SUCCEEDED(hr), "WICConvertBitmapSource(%s) failed, hr=%x\n", name, hr);
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if (SUCCEEDED(hr))
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{
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compare_bitmap_data(dst, dst_bitmap, name);
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IWICBitmapSource_Release(dst_bitmap);
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}
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DeleteTestBitmap(src_bitmap);
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}
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void test_invalid_conversion(void)
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{
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IWICBitmapSource *src_bitmap, *dst_bitmap;
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HRESULT hr;
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CreateTestBitmap(&testdata_32bppBGRA, &src_bitmap);
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/* convert to a non-pixel-format GUID */
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hr = WICConvertBitmapSource(&GUID_VendorMicrosoft, src_bitmap, &dst_bitmap);
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ok(hr == WINCODEC_ERR_COMPONENTNOTFOUND, "WICConvertBitmapSource returned %x\n", hr);
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DeleteTestBitmap(src_bitmap);
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}
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void test_default_converter(void)
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{
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IWICBitmapSource *src_bitmap;
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IWICFormatConverter *converter;
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BOOL can_convert=1;
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HRESULT hr;
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CreateTestBitmap(&testdata_32bppBGRA, &src_bitmap);
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hr = CoCreateInstance(&CLSID_WICDefaultFormatConverter, NULL, CLSCTX_INPROC_SERVER,
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&IID_IWICFormatConverter, (void**)&converter);
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ok(SUCCEEDED(hr), "CoCreateInstance failed, hr=%x\n", hr);
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if (SUCCEEDED(hr))
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{
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hr = IWICFormatConverter_CanConvert(converter, &GUID_WICPixelFormat32bppBGRA,
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&GUID_WICPixelFormat32bppBGR, &can_convert);
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ok(SUCCEEDED(hr), "CanConvert returned %x\n", hr);
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ok(can_convert, "expected TRUE, got %i\n", can_convert);
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hr = IWICFormatConverter_Initialize(converter, src_bitmap,
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&GUID_WICPixelFormat32bppBGR, WICBitmapDitherTypeNone, NULL, 0.0,
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WICBitmapPaletteTypeCustom);
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ok(SUCCEEDED(hr), "Initialize returned %x\n", hr);
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if (SUCCEEDED(hr))
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compare_bitmap_data(&testdata_32bppBGR, (IWICBitmapSource*)converter, "default converter");
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IWICFormatConverter_Release(converter);
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}
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DeleteTestBitmap(src_bitmap);
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}
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START_TEST(converter)
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{
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CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
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test_conversion(&testdata_32bppBGRA, &testdata_32bppBGR, "BGRA -> BGR", 0);
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test_conversion(&testdata_32bppBGR, &testdata_32bppBGRA, "BGR -> BGRA", 0);
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test_conversion(&testdata_32bppBGRA, &testdata_32bppBGRA, "BGRA -> BGRA", 0);
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test_invalid_conversion();
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test_default_converter();
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CoUninitialize();
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}
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