Sweden-Number/dlls/windowscodecs/tests/converter.c

333 lines
10 KiB
C

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