static void test_createbitmapfromsource(void)
{
HRESULT hr;
IWICBitmap *bitmap, *bitmap2;
IWICPalette *palette;
IWICBitmapLock *lock;
int i;
WICRect rc;
const BYTE bitmap_data[27] = {
128,128,255, 128,128,128, 128,255,128,
128,128,128, 128,128,128, 255,255,255,
255,128,128, 255,255,255, 255,255,255};
BYTE returned_data[27] = {0};
BYTE *lock_buffer=NULL;
UINT lock_buffer_stride=0;
UINT lock_buffer_size=0;
WICPixelFormatGUID pixelformat = {0};
UINT width=0, height=0;
double dpix=10.0, dpiy=10.0;
UINT count;
WICBitmapPaletteType palette_type;
hr = IWICImagingFactory_CreateBitmap(factory, 3, 3, &GUID_WICPixelFormat24bppBGR,
WICBitmapCacheOnLoad, &bitmap);
ok(hr == S_OK, "IWICImagingFactory_CreateBitmap failed hr=%x\n", hr);
if (FAILED(hr))
return;
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "IWICImagingFactory_CreatePalette failed hr=%x\n", hr);
hr = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedGray256, FALSE);
ok(hr == S_OK, "IWICPalette_InitializePredefined failed hr=%x\n", hr);
hr = IWICBitmap_SetPalette(bitmap, palette);
ok(hr == S_OK, "IWICBitmap_SetPalette failed hr=%x\n", hr);
IWICPalette_Release(palette);
rc.X = rc.Y = 0;
rc.Width = 3;
rc.Height = 3;
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockWrite, &lock);
ok(hr == S_OK, "IWICBitmap_Lock failed hr=%x\n", hr);
if (SUCCEEDED(hr))
{
hr = IWICBitmapLock_GetStride(lock, &lock_buffer_stride);
ok(hr == S_OK, "IWICBitmapLock_GetStride failed hr=%x\n", hr);
ok(lock_buffer_stride == 12, "got %i, expected 12\n", lock_buffer_stride);
hr = IWICBitmapLock_GetDataPointer(lock, &lock_buffer_size, &lock_buffer);
ok(hr == S_OK, "IWICBitmapLock_GetDataPointer failed hr=%x\n", hr);
ok(lock_buffer_size == 33, "got %i, expected 33\n", lock_buffer_size);
ok(lock_buffer != NULL, "got NULL data pointer\n");
for (i=0; i<3; i++)
memcpy(lock_buffer + lock_buffer_stride*i, bitmap_data + i*9, 9);
IWICBitmapLock_Release(lock);
}
hr = IWICBitmap_SetResolution(bitmap, 12.0, 34.0);
ok(hr == S_OK, "IWICBitmap_SetResolution failed hr=%x\n", hr);
hr = IWICImagingFactory_CreateBitmapFromSource(factory, (IWICBitmapSource*)bitmap,
WICBitmapCacheOnLoad, &bitmap2);
ok(hr == S_OK, "IWICImagingFactory_CreateBitmapFromSource failed hr=%x\n", hr);
IWICBitmap_Release(bitmap);
if (FAILED(hr)) return;
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "IWICImagingFactory_CreatePalette failed hr=%x\n", hr);
/* palette isn't copied for non-indexed formats? */
hr = IWICBitmap_CopyPalette(bitmap2, palette);
ok(hr == WINCODEC_ERR_PALETTEUNAVAILABLE, "IWICBitmap_CopyPalette failed hr=%x\n", hr);
IWICPalette_Release(palette);
hr = IWICBitmap_CopyPixels(bitmap2, NULL, 9, 27, returned_data);
ok(hr == S_OK, "IWICBitmap_CopyPixels failed hr=%x\n", hr);
for (i=0; i<27; i++)
ok(returned_data[i] == bitmap_data[i], "returned_data[%i] == %i\n", i, returned_data[i]);
hr = IWICBitmap_GetPixelFormat(bitmap2, &pixelformat);
ok(hr == S_OK, "IWICBitmap_GetPixelFormat failed hr=%x\n", hr);
ok(IsEqualGUID(&pixelformat, &GUID_WICPixelFormat24bppBGR), "unexpected pixel format\n");
hr = IWICBitmap_GetResolution(bitmap2, &dpix, &dpiy);
ok(hr == S_OK, "IWICBitmap_GetResolution failed hr=%x\n", hr);
ok(dpix == 12.0, "got %f, expected 12.0\n", dpix);
ok(dpiy == 34.0, "got %f, expected 34.0\n", dpiy);
hr = IWICBitmap_GetSize(bitmap2, &width, &height);
ok(hr == S_OK, "IWICBitmap_GetSize failed hr=%x\n", hr);
ok(width == 3, "got %d, expected 3\n", width);
ok(height == 3, "got %d, expected 3\n", height);
IWICBitmap_Release(bitmap2);
/* Ensure palette is copied for indexed formats */
hr = IWICImagingFactory_CreateBitmap(factory, 3, 3, &GUID_WICPixelFormat4bppIndexed,
WICBitmapCacheOnLoad, &bitmap);
ok(hr == S_OK, "IWICImagingFactory_CreateBitmap failed hr=%x\n", hr);
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "IWICImagingFactory_CreatePalette failed hr=%x\n", hr);
hr = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedGray256, FALSE);
ok(hr == S_OK, "IWICPalette_InitializePredefined failed hr=%x\n", hr);
hr = IWICBitmap_SetPalette(bitmap, palette);
ok(hr == S_OK, "IWICBitmap_SetPalette failed hr=%x\n", hr);
IWICPalette_Release(palette);
hr = IWICImagingFactory_CreateBitmapFromSource(factory, (IWICBitmapSource*)bitmap,
WICBitmapCacheOnLoad, &bitmap2);
ok(hr == S_OK, "IWICImagingFactory_CreateBitmapFromSource failed hr=%x\n", hr);
IWICBitmap_Release(bitmap);
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "IWICImagingFactory_CreatePalette failed hr=%x\n", hr);
hr = IWICBitmap_CopyPalette(bitmap2, palette);
ok(hr == S_OK, "IWICBitmap_CopyPalette failed hr=%x\n", hr);
hr = IWICPalette_GetColorCount(palette, &count);
ok(hr == S_OK, "IWICPalette_GetColorCount failed hr=%x\n", hr);
ok(count == 256, "unexpected count %d\n", count);
hr = IWICPalette_GetType(palette, &palette_type);
ok(hr == S_OK, "IWICPalette_GetType failed hr=%x\n", hr);
ok(palette_type == WICBitmapPaletteTypeFixedGray256, "unexpected palette type %d\n", palette_type);
IWICPalette_Release(palette);
hr = IWICBitmap_GetPixelFormat(bitmap2, &pixelformat);
ok(hr == S_OK, "IWICBitmap_GetPixelFormat failed hr=%x\n", hr);
ok(IsEqualGUID(&pixelformat, &GUID_WICPixelFormat4bppIndexed), "unexpected pixel format\n");
hr = IWICBitmap_GetSize(bitmap2, &width, &height);
ok(hr == S_OK, "IWICBitmap_GetSize failed hr=%x\n", hr);
ok(width == 3, "got %d, expected 3\n", width);
ok(height == 3, "got %d, expected 3\n", height);
IWICBitmap_Release(bitmap2);
}
static void test_CreateBitmapFromHBITMAP(void)
{
/* 8 bpp data must be aligned to a DWORD boundary for a DIB */
static const BYTE data_8bpp_pal_dib[12] = { 0,1,2,0, 1,2,0,0, 2,1,0,0 };
static const BYTE data_8bpp_rgb_dib[12] = { 0xf0,0x0f,0xff,0, 0x0f,0xff,0xf0,0, 0xf0,0x0f,0xff,0 };
static const BYTE data_8bpp_pal_wic[12] = { 0xd,0xe,0x10,0, 0xe,0x10,0xd,0, 0x10,0xe,0xd,0 };
static const PALETTEENTRY pal_data[3] = { {0xff,0,0,0}, {0,0xff,0,0}, {0,0,0xff,0} };
char pal_buf[sizeof(LOGPALETTE) + sizeof(PALETTEENTRY) * 255];
LOGPALETTE *pal = (LOGPALETTE *)pal_buf;
HBITMAP hbmp;
HPALETTE hpal;
BYTE data[12];
HRESULT hr;
IWICBitmap *bitmap;
UINT width, height, i, count;
WICPixelFormatGUID format;
IWICPalette *palette;
WICBitmapPaletteType type;
/* 8 bpp without palette */
hbmp = create_dib(3, 3, 8, NULL, data_8bpp_rgb_dib);
ok(hbmp != 0, "failed to create bitmap\n");
hr = IWICImagingFactory_CreateBitmapFromHBITMAP(factory, 0, 0, WICBitmapIgnoreAlpha, &bitmap);
ok(hr == WINCODEC_ERR_WIN32ERROR || hr == 0x88980003 /*XP*/, "expected WINCODEC_ERR_WIN32ERROR, got %#x\n", hr);
hr = IWICImagingFactory_CreateBitmapFromHBITMAP(factory, hbmp, 0, WICBitmapIgnoreAlpha, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
hr = IWICImagingFactory_CreateBitmapFromHBITMAP(factory, hbmp, 0, WICBitmapIgnoreAlpha, &bitmap);
ok(hr == S_OK, "CreateBitmapFromHBITMAP error %#x\n", hr);
IWICBitmap_GetPixelFormat(bitmap, &format);
ok(IsEqualGUID(&format, &GUID_WICPixelFormat8bppIndexed),
"unexpected pixel format %s\n", wine_dbgstr_guid(&format));
hr = IWICBitmap_GetSize(bitmap, &width, &height);
ok(hr == S_OK, "IWICBitmap_GetSize error %#x\n", hr);
ok(width == 3, "expected 3, got %u\n", width);
ok(height == 3, "expected 3, got %u\n", height);
memset(data, 0, sizeof(data));
hr = IWICBitmap_CopyPixels(bitmap, NULL, 4, sizeof(data), data);
ok(hr == S_OK, "IWICBitmap_CopyPixels error %#x\n", hr);
for (i = 0; i < sizeof(data); i++)
ok(data[i] == data_8bpp_rgb_dib[i], "%u: expected %#x, got %#x\n", i, data_8bpp_rgb_dib[i], data[i]);
IWICBitmap_Release(bitmap);
DeleteObject(hbmp);
/* 8 bpp with a 3 entries palette */
memset(pal_buf, 0, sizeof(pal_buf));
pal->palVersion = 0x300;
pal->palNumEntries = 3;
memcpy(pal->palPalEntry, pal_data, sizeof(pal_data));
hpal = CreatePalette(pal);
ok(hpal != 0, "CreatePalette failed\n");
hbmp = create_dib(3, 3, 8, pal, data_8bpp_pal_dib);
hr = IWICImagingFactory_CreateBitmapFromHBITMAP(factory, hbmp, hpal, WICBitmapIgnoreAlpha, &bitmap);
ok(hr == S_OK, "CreateBitmapFromHBITMAP error %#x\n", hr);
IWICBitmap_GetPixelFormat(bitmap, &format);
todo_wine
ok(IsEqualGUID(&format, &GUID_WICPixelFormat4bppIndexed),
"unexpected pixel format %s\n", wine_dbgstr_guid(&format));
hr = IWICBitmap_GetSize(bitmap, &width, &height);
ok(hr == S_OK, "IWICBitmap_GetSize error %#x\n", hr);
ok(width == 3, "expected 3, got %u\n", width);
ok(height == 3, "expected 3, got %u\n", height);
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "CreatePalette error %#x\n", hr);
hr = IWICBitmap_CopyPalette(bitmap, palette);
ok(hr == S_OK, "CopyPalette error %#x\n", hr);
hr = IWICPalette_GetType(palette, &type);
ok(hr == S_OK, "%u: GetType error %#x\n", i, hr);
ok(type == WICBitmapPaletteTypeCustom, "expected WICBitmapPaletteTypeCustom, got %#x\n", type);
hr = IWICPalette_GetColorCount(palette, &count);
ok(hr == S_OK, "GetColorCount error %#x\n", hr);
todo_wine
ok(count == 16, "expected 16, got %u\n", count);
IWICPalette_Release(palette);
IWICBitmap_Release(bitmap);
DeleteObject(hbmp);
DeleteObject(hpal);
/* 8 bpp with a 256 entries palette */
memset(pal_buf, 0, sizeof(pal_buf));
pal->palVersion = 0x300;
pal->palNumEntries = 256;
memcpy(pal->palPalEntry, pal_data, sizeof(pal_data));
hpal = CreatePalette(pal);
ok(hpal != 0, "CreatePalette failed\n");
hbmp = create_dib(3, 3, 8, pal, data_8bpp_pal_dib);
hr = IWICImagingFactory_CreateBitmapFromHBITMAP(factory, hbmp, hpal, WICBitmapIgnoreAlpha, &bitmap);
ok(hr == S_OK, "CreateBitmapFromHBITMAP error %#x\n", hr);
IWICBitmap_GetPixelFormat(bitmap, &format);
ok(IsEqualGUID(&format, &GUID_WICPixelFormat8bppIndexed),
"unexpected pixel format %s\n", wine_dbgstr_guid(&format));
hr = IWICBitmap_GetSize(bitmap, &width, &height);
ok(hr == S_OK, "IWICBitmap_GetSize error %#x\n", hr);
ok(width == 3, "expected 3, got %u\n", width);
ok(height == 3, "expected 3, got %u\n", height);
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "CreatePalette error %#x\n", hr);
hr = IWICBitmap_CopyPalette(bitmap, palette);
ok(hr == S_OK, "CopyPalette error %#x\n", hr);
hr = IWICPalette_GetType(palette, &type);
ok(hr == S_OK, "%u: GetType error %#x\n", i, hr);
ok(type == WICBitmapPaletteTypeCustom, "expected WICBitmapPaletteTypeCustom, got %#x\n", type);
hr = IWICPalette_GetColorCount(palette, &count);
ok(hr == S_OK, "GetColorCount error %#x\n", hr);
ok(count == 256, "expected 256, got %u\n", count);
IWICPalette_Release(palette);
memset(data, 0, sizeof(data));
hr = IWICBitmap_CopyPixels(bitmap, NULL, 4, sizeof(data), data);
ok(hr == S_OK, "IWICBitmap_CopyPixels error %#x\n", hr);
for (i = 0; i < sizeof(data); i++)
{
if (data[i] != data_8bpp_pal_wic[i])
todo_wine
ok(data[i] == data_8bpp_pal_wic[i], "%u: expected %#x, got %#x\n", i, data_8bpp_pal_wic[i], data[i]);
else
ok(data[i] == data_8bpp_pal_wic[i], "%u: expected %#x, got %#x\n", i, data_8bpp_pal_wic[i], data[i]);
}
IWICBitmap_Release(bitmap);
DeleteObject(hbmp);
DeleteObject(hpal);
/* 32bpp alpha */
hbmp = create_dib(2, 2, 32, NULL, NULL);
hr = IWICImagingFactory_CreateBitmapFromHBITMAP(factory, hbmp, NULL, WICBitmapUseAlpha, &bitmap);
ok(hr == S_OK, "CreateBitmapFromHBITMAP error %#x\n", hr);
hr = IWICBitmap_GetPixelFormat(bitmap, &format);
ok(hr == S_OK, "GetPixelFormat error %#x\n", hr);
ok(IsEqualGUID(&format, &GUID_WICPixelFormat32bppBGRA),
"unexpected pixel format %s\n", wine_dbgstr_guid(&format));
IWICBitmap_Release(bitmap);
/* 32bpp pre-multiplied alpha */
hr = IWICImagingFactory_CreateBitmapFromHBITMAP(factory, hbmp, NULL, WICBitmapUsePremultipliedAlpha, &bitmap);
ok(hr == S_OK, "CreateBitmapFromHBITMAP error %#x\n", hr);
hr = IWICBitmap_GetPixelFormat(bitmap, &format);
ok(hr == S_OK, "GetPixelFormat error %#x\n", hr);
ok(IsEqualGUID(&format, &GUID_WICPixelFormat32bppPBGRA),
"unexpected pixel format %s\n", wine_dbgstr_guid(&format));
IWICBitmap_Release(bitmap);
/* 32bpp no alpha */
hr = IWICImagingFactory_CreateBitmapFromHBITMAP(factory, hbmp, NULL, WICBitmapIgnoreAlpha, &bitmap);
ok(hr == S_OK, "CreateBitmapFromHBITMAP error %#x\n", hr);
hr = IWICBitmap_GetPixelFormat(bitmap, &format);
ok(hr == S_OK, "GetPixelFormat error %#x\n", hr);
ok(IsEqualGUID(&format, &GUID_WICPixelFormat32bppBGR),
"unexpected pixel format %s\n", wine_dbgstr_guid(&format));
IWICBitmap_Release(bitmap);
DeleteObject(hbmp);
}
static void test_createbitmap(void)
{
HRESULT hr;
IWICBitmap *bitmap;
IWICPalette *palette;
IWICBitmapLock *lock, *lock2;
WICBitmapPaletteType palettetype;
int i;
WICRect rc;
const BYTE bitmap_data[27] = {
128,128,255, 128,128,128, 128,255,128,
128,128,128, 128,128,128, 255,255,255,
255,128,128, 255,255,255, 255,255,255};
BYTE returned_data[27] = {0};
BYTE *lock_buffer=NULL, *base_lock_buffer=NULL;
UINT lock_buffer_size=0;
UINT lock_buffer_stride=0;
WICPixelFormatGUID pixelformat = {0};
UINT width=0, height=0;
double dpix=10.0, dpiy=10.0;
int can_lock_null = 1;
hr = IWICImagingFactory_CreateBitmap(factory, 3, 3, &GUID_WICPixelFormat24bppBGR,
WICBitmapCacheOnLoad, &bitmap);
ok(hr == S_OK, "IWICImagingFactory_CreateBitmap failed hr=%x\n", hr);
if (FAILED(hr))
return;
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "IWICImagingFactory_CreatePalette failed hr=%x\n", hr);
/* Palette is unavailable until explicitly set */
hr = IWICBitmap_CopyPalette(bitmap, palette);
ok(hr == WINCODEC_ERR_PALETTEUNAVAILABLE, "IWICBitmap_CopyPalette failed hr=%x\n", hr);
hr = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedGray256, FALSE);
ok(hr == S_OK, "IWICPalette_InitializePredefined failed hr=%x\n", hr);
hr = IWICBitmap_SetPalette(bitmap, palette);
ok(hr == S_OK, "IWICBitmap_SetPalette failed hr=%x\n", hr);
hr = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedGray4, FALSE);
ok(hr == S_OK, "IWICPalette_InitializePredefined failed hr=%x\n", hr);
hr = IWICBitmap_CopyPalette(bitmap, palette);
ok(hr == S_OK, "IWICBitmap_CopyPalette failed hr=%x\n", hr);
hr = IWICPalette_GetType(palette, &palettetype);
ok(hr == S_OK, "IWICPalette_GetType failed hr=%x\n", hr);
ok(palettetype == WICBitmapPaletteTypeFixedGray256,
"expected WICBitmapPaletteTypeFixedGray256, got %x\n", palettetype);
IWICPalette_Release(palette);
/* pixel data is initially zeroed */
hr = IWICBitmap_CopyPixels(bitmap, NULL, 9, 27, returned_data);
ok(hr == S_OK, "IWICBitmap_CopyPixels failed hr=%x\n", hr);
for (i=0; i<27; i++)
ok(returned_data[i] == 0, "returned_data[%i] == %i\n", i, returned_data[i]);
/* Invalid lock rects */
rc.X = rc.Y = 0;
rc.Width = 4;
rc.Height = 3;
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockRead, &lock);
ok(hr == E_INVALIDARG, "IWICBitmap_Lock failed hr=%x\n", hr);
if (SUCCEEDED(hr)) IWICBitmapLock_Release(lock);
rc.Width = 3;
rc.Height = 4;
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockRead, &lock);
ok(hr == E_INVALIDARG, "IWICBitmap_Lock failed hr=%x\n", hr);
if (SUCCEEDED(hr)) IWICBitmapLock_Release(lock);
rc.Height = 3;
rc.X = 4;
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockRead, &lock);
ok(hr == E_INVALIDARG, "IWICBitmap_Lock failed hr=%x\n", hr);
if (SUCCEEDED(hr)) IWICBitmapLock_Release(lock);
rc.X = 0;
rc.Y = 4;
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockRead, &lock);
ok(hr == E_INVALIDARG, "IWICBitmap_Lock failed hr=%x\n", hr);
if (SUCCEEDED(hr)) IWICBitmapLock_Release(lock);
/* NULL lock rect */
hr = IWICBitmap_Lock(bitmap, NULL, WICBitmapLockRead, &lock);
ok(hr == S_OK || broken(hr == E_INVALIDARG) /* winxp */, "IWICBitmap_Lock failed hr=%x\n", hr);
if (SUCCEEDED(hr))
{
/* entire bitmap is locked */
hr = IWICBitmapLock_GetSize(lock, &width, &height);
ok(hr == S_OK, "IWICBitmapLock_GetSize failed hr=%x\n", hr);
ok(width == 3, "got %d, expected 3\n", width);
ok(height == 3, "got %d, expected 3\n", height);
IWICBitmapLock_Release(lock);
}
else
can_lock_null = 0;
/* lock with a valid rect */
rc.Y = 0;
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockRead, &lock);
ok(hr == S_OK, "IWICBitmap_Lock failed hr=%x\n", hr);
if (SUCCEEDED(hr))
{
hr = IWICBitmapLock_GetStride(lock, &lock_buffer_stride);
ok(hr == S_OK, "IWICBitmapLock_GetStride failed hr=%x\n", hr);
/* stride is divisible by 4 */
ok(lock_buffer_stride == 12, "got %i, expected 12\n", lock_buffer_stride);
hr = IWICBitmapLock_GetDataPointer(lock, &lock_buffer_size, &lock_buffer);
ok(hr == S_OK, "IWICBitmapLock_GetDataPointer failed hr=%x\n", hr);
/* buffer size does not include padding from the last row */
ok(lock_buffer_size == 33, "got %i, expected 33\n", lock_buffer_size);
ok(lock_buffer != NULL, "got NULL data pointer\n");
base_lock_buffer = lock_buffer;
hr = IWICBitmapLock_GetPixelFormat(lock, &pixelformat);
ok(hr == S_OK, "IWICBitmapLock_GetPixelFormat failed hr=%x\n", hr);
ok(IsEqualGUID(&pixelformat, &GUID_WICPixelFormat24bppBGR), "unexpected pixel format\n");
hr = IWICBitmapLock_GetSize(lock, &width, &height);
ok(hr == S_OK, "IWICBitmapLock_GetSize failed hr=%x\n", hr);
ok(width == 3, "got %d, expected 3\n", width);
ok(height == 3, "got %d, expected 3\n", height);
/* We can have multiple simultaneous read locks */
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockRead, &lock2);
ok(hr == S_OK, "IWICBitmap_Lock failed hr=%x\n", hr);
if (SUCCEEDED(hr))
{
hr = IWICBitmapLock_GetDataPointer(lock2, &lock_buffer_size, &lock_buffer);
ok(hr == S_OK, "IWICBitmapLock_GetDataPointer failed hr=%x\n", hr);
ok(lock_buffer_size == 33, "got %i, expected 33\n", lock_buffer_size);
ok(lock_buffer == base_lock_buffer, "got %p, expected %p\n", lock_buffer, base_lock_buffer);
IWICBitmapLock_Release(lock2);
}
if (can_lock_null) /* this hangs on xp/vista */
{
/* But not a read and a write lock */
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockWrite, &lock2);
ok(hr == WINCODEC_ERR_ALREADYLOCKED, "IWICBitmap_Lock failed hr=%x\n", hr);
}
/* But we don't need a write lock to write */
if (base_lock_buffer)
{
for (i=0; i<3; i++)
memcpy(base_lock_buffer + lock_buffer_stride*i, bitmap_data + i*9, 9);
}
IWICBitmapLock_Release(lock);
}
/* test that the data we wrote is returned by CopyPixels */
hr = IWICBitmap_CopyPixels(bitmap, NULL, 9, 27, returned_data);
ok(hr == S_OK, "IWICBitmap_CopyPixels failed hr=%x\n", hr);
for (i=0; i<27; i++)
ok(returned_data[i] == bitmap_data[i], "returned_data[%i] == %i\n", i, returned_data[i]);
/* try a valid partial rect, and write mode */
rc.X = 2;
rc.Y = 0;
rc.Width = 1;
rc.Height = 2;
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockWrite, &lock);
ok(hr == S_OK, "IWICBitmap_Lock failed hr=%x\n", hr);
if (SUCCEEDED(hr))
{
if (can_lock_null) /* this hangs on xp/vista */
{
/* Can't lock again while locked for writing */
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockWrite, &lock2);
ok(hr == WINCODEC_ERR_ALREADYLOCKED, "IWICBitmap_Lock failed hr=%x\n", hr);
hr = IWICBitmap_Lock(bitmap, &rc, WICBitmapLockRead, &lock2);
ok(hr == WINCODEC_ERR_ALREADYLOCKED, "IWICBitmap_Lock failed hr=%x\n", hr);
}
hr = IWICBitmapLock_GetStride(lock, &lock_buffer_stride);
ok(hr == S_OK, "IWICBitmapLock_GetStride failed hr=%x\n", hr);
ok(lock_buffer_stride == 12, "got %i, expected 12\n", lock_buffer_stride);
hr = IWICBitmapLock_GetDataPointer(lock, &lock_buffer_size, &lock_buffer);
ok(hr == S_OK, "IWICBitmapLock_GetDataPointer failed hr=%x\n", hr);
ok(lock_buffer_size == 15, "got %i, expected 15\n", lock_buffer_size);
ok(lock_buffer == base_lock_buffer+6, "got %p, expected %p+6\n", lock_buffer, base_lock_buffer);
hr = IWICBitmapLock_GetPixelFormat(lock, &pixelformat);
ok(hr == S_OK, "IWICBitmapLock_GetPixelFormat failed hr=%x\n", hr);
ok(IsEqualGUID(&pixelformat, &GUID_WICPixelFormat24bppBGR), "unexpected pixel format\n");
hr = IWICBitmapLock_GetSize(lock, &width, &height);
ok(hr == S_OK, "IWICBitmapLock_GetSize failed hr=%x\n", hr);
ok(width == 1, "got %d, expected 1\n", width);
ok(height == 2, "got %d, expected 2\n", height);
IWICBitmapLock_Release(lock);
}
hr = IWICBitmap_GetPixelFormat(bitmap, &pixelformat);
ok(hr == S_OK, "IWICBitmap_GetPixelFormat failed hr=%x\n", hr);
ok(IsEqualGUID(&pixelformat, &GUID_WICPixelFormat24bppBGR), "unexpected pixel format\n");
hr = IWICBitmap_GetResolution(bitmap, &dpix, &dpiy);
ok(hr == S_OK, "IWICBitmap_GetResolution failed hr=%x\n", hr);
ok(dpix == 0.0, "got %f, expected 0.0\n", dpix);
ok(dpiy == 0.0, "got %f, expected 0.0\n", dpiy);
hr = IWICBitmap_SetResolution(bitmap, 12.0, 34.0);
ok(hr == S_OK, "IWICBitmap_SetResolution failed hr=%x\n", hr);
hr = IWICBitmap_GetResolution(bitmap, &dpix, &dpiy);
ok(hr == S_OK, "IWICBitmap_GetResolution failed hr=%x\n", hr);
ok(dpix == 12.0, "got %f, expected 12.0\n", dpix);
ok(dpiy == 34.0, "got %f, expected 34.0\n", dpiy);
hr = IWICBitmap_GetSize(bitmap, &width, &height);
ok(hr == S_OK, "IWICBitmap_GetSize failed hr=%x\n", hr);
ok(width == 3, "got %d, expected 3\n", width);
ok(height == 3, "got %d, expected 3\n", height);
IWICBitmap_Release(bitmap);
}
static void test_predefined_palette(void)
{
static struct test_data
{
WICBitmapPaletteType type;
BOOL is_bw, is_gray;
UINT count;
WICColor color[256];
BOOL add_transparent;
} td[] =
{
{ WICBitmapPaletteTypeFixedBW, 1, 1, 2, { 0xff000000, 0xffffffff } },
{ WICBitmapPaletteTypeFixedBW, 1, 1, 2, { 0xff000000, 0xffffffff }, 1 },
{ WICBitmapPaletteTypeFixedGray4, 0, 1, 4,
{ 0xff000000, 0xff555555, 0xffaaaaaa, 0xffffffff } },
{ WICBitmapPaletteTypeFixedGray4, 0, 1, 4,
{ 0xff000000, 0xff555555, 0xffaaaaaa, 0xffffffff }, 1 },
{ WICBitmapPaletteTypeFixedGray16, 0, 1, 16, { 0 } },
{ WICBitmapPaletteTypeFixedGray16, 0, 1, 16, { 0 }, 1 },
{ WICBitmapPaletteTypeFixedGray256, 0, 1, 256, { 0 } },
{ WICBitmapPaletteTypeFixedGray256, 0, 1, 256, { 0 }, 1 },
{ WICBitmapPaletteTypeFixedHalftone8, 0, 0, 16, { 0 } },
{ WICBitmapPaletteTypeFixedHalftone8, 0, 0, 17, { 0 }, 1 },
{ WICBitmapPaletteTypeFixedHalftone27, 0, 0, 28, { 0 } },
{ WICBitmapPaletteTypeFixedHalftone27, 0, 0, 29, { 0 }, 1 },
{ WICBitmapPaletteTypeFixedHalftone64, 0, 0, 72, { 0 } },
{ WICBitmapPaletteTypeFixedHalftone64, 0, 0, 73, { 0 }, 1 },
{ WICBitmapPaletteTypeFixedHalftone125, 0, 0, 126, { 0 } },
{ WICBitmapPaletteTypeFixedHalftone125, 0, 0, 127, { 0 }, 1 },
{ WICBitmapPaletteTypeFixedHalftone216, 0, 0, 224, { 0 } },
{ WICBitmapPaletteTypeFixedHalftone216, 0, 0, 225, { 0 }, 1 },
{ WICBitmapPaletteTypeFixedHalftone252, 0, 0, 252, { 0 } },
{ WICBitmapPaletteTypeFixedHalftone252, 0, 0, 253, { 0 }, 1 },
{ WICBitmapPaletteTypeFixedHalftone256, 0, 0, 256, { 0 } },
{ WICBitmapPaletteTypeFixedHalftone256, 0, 0, 256, { 0 }, 1 }
};
IWICImagingFactory *factory;
IWICPalette *palette;
HRESULT hr;
WICBitmapPaletteType type;
UINT count, i, ret;
BOOL bret;
WICColor color[256];
hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICImagingFactory, (void **)&factory);
ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "CreatePalette error %#x\n", hr);
hr = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeCustom, FALSE);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
hr = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeMedianCut, FALSE);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
hr = IWICPalette_InitializePredefined(palette, 0x0f, FALSE);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %#x\n", hr);
IWICPalette_Release(palette);
for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
{
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "%u: CreatePalette error %#x\n", i, hr);
hr = IWICPalette_InitializePredefined(palette, td[i].type, td[i].add_transparent);
ok(hr == S_OK, "%u: InitializePredefined error %#x\n", i, hr);
bret = -1;
hr = IWICPalette_IsBlackWhite(palette, &bret);
ok(hr == S_OK, "%u: IsBlackWhite error %#x\n", i, hr);
ok(bret == td[i].is_bw ||
broken(td[i].type == WICBitmapPaletteTypeFixedBW && bret != td[i].is_bw), /* XP */
"%u: expected %d, got %d\n",i, td[i].is_bw, bret);
bret = -1;
hr = IWICPalette_IsGrayscale(palette, &bret);
ok(hr == S_OK, "%u: IsGrayscale error %#x\n", i, hr);
ok(bret == td[i].is_gray, "%u: expected %d, got %d\n", i, td[i].is_gray, bret);
type = -1;
hr = IWICPalette_GetType(palette, &type);
ok(hr == S_OK, "%u: GetType error %#x\n", i, hr);
ok(type == td[i].type, "%u: expected %#x, got %#x\n", i, td[i].type, type);
count = 0xdeadbeef;
hr = IWICPalette_GetColorCount(palette, &count);
ok(hr == S_OK, "%u: GetColorCount error %#x\n", i, hr);
ok(count == td[i].count, "%u: expected %u, got %u\n", i, td[i].count, count);
hr = IWICPalette_GetColors(palette, count, color, &ret);
ok(hr == S_OK, "%u: GetColors error %#x\n", i, hr);
ok(ret == count, "%u: expected %u, got %u\n", i, count, ret);
if (ret == td[i].count)
{
UINT j;
if (td[i].type == WICBitmapPaletteTypeFixedGray16)
generate_gray16_palette(td[i].color, td[i].count);
else if (td[i].type == WICBitmapPaletteTypeFixedGray256)
generate_gray256_palette(td[i].color, td[i].count);
else if (td[i].type == WICBitmapPaletteTypeFixedHalftone8)
generate_halftone8_palette(td[i].color, td[i].count, td[i].add_transparent);
else if (td[i].type == WICBitmapPaletteTypeFixedHalftone27)
generate_halftone27_palette(td[i].color, td[i].count, td[i].add_transparent);
else if (td[i].type == WICBitmapPaletteTypeFixedHalftone64)
generate_halftone64_palette(td[i].color, td[i].count, td[i].add_transparent);
else if (td[i].type == WICBitmapPaletteTypeFixedHalftone125)
generate_halftone125_palette(td[i].color, td[i].count, td[i].add_transparent);
else if (td[i].type == WICBitmapPaletteTypeFixedHalftone216)
generate_halftone216_palette(td[i].color, td[i].count, td[i].add_transparent);
else if (td[i].type == WICBitmapPaletteTypeFixedHalftone252)
generate_halftone252_palette(td[i].color, td[i].count, td[i].add_transparent);
else if (td[i].type == WICBitmapPaletteTypeFixedHalftone256)
generate_halftone256_palette(td[i].color, td[i].count, td[i].add_transparent);
for (j = 0; j < count; j++)
{
ok(color[j] == td[i].color[j], "%u:[%u]: expected %#x, got %#x\n",
i, j, td[i].color[j], color[j]);
}
}
IWICPalette_Release(palette);
}
IWICImagingFactory_Release(factory);
}
static void test_custom_palette(void)
{
IWICImagingFactory *factory;
IWICPalette *palette, *palette2;
HRESULT hr;
WICBitmapPaletteType type=0xffffffff;
UINT count=1;
const WICColor initcolors[4]={0xff000000,0xff0000ff,0xffffff00,0xffffffff};
WICColor colors[4];
BOOL boolresult;
hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICImagingFactory, (void**)&factory);
ok(SUCCEEDED(hr), "CoCreateInstance failed, hr=%x\n", hr);
if (FAILED(hr)) return;
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(SUCCEEDED(hr), "CreatePalette failed, hr=%x\n", hr);
if (SUCCEEDED(hr))
{
hr = IWICPalette_GetType(palette, &type);
ok(SUCCEEDED(hr), "GetType failed, hr=%x\n", hr);
ok(type == WICBitmapPaletteTypeCustom, "expected WICBitmapPaletteTypeCustom, got %x\n", type);
hr = IWICPalette_GetColorCount(palette, &count);
ok(SUCCEEDED(hr), "GetColorCount failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
hr = IWICPalette_GetColors(palette, 0, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
hr = IWICPalette_GetColors(palette, 4, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
memcpy(colors, initcolors, sizeof(initcolors));
hr = IWICPalette_InitializeCustom(palette, colors, 4);
ok(SUCCEEDED(hr), "InitializeCustom failed, hr=%x\n", hr);
hr = IWICPalette_GetType(palette, &type);
ok(SUCCEEDED(hr), "GetType failed, hr=%x\n", hr);
ok(type == WICBitmapPaletteTypeCustom, "expected WICBitmapPaletteTypeCustom, got %x\n", type);
hr = IWICPalette_GetColorCount(palette, &count);
ok(SUCCEEDED(hr), "GetColorCount failed, hr=%x\n", hr);
ok(count == 4, "expected 4, got %u\n", count);
memset(colors, 0, sizeof(colors));
count = 0;
hr = IWICPalette_GetColors(palette, 4, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 4, "expected 4, got %u\n", count);
ok(!memcmp(colors, initcolors, sizeof(colors)), "got unexpected palette data\n");
memset(colors, 0, sizeof(colors));
count = 0;
hr = IWICPalette_GetColors(palette, 2, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 2, "expected 2, got %u\n", count);
ok(!memcmp(colors, initcolors, sizeof(WICColor)*2), "got unexpected palette data\n");
count = 0;
hr = IWICPalette_GetColors(palette, 6, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 4, "expected 4, got %u\n", count);
hr = IWICPalette_HasAlpha(palette, &boolresult);
ok(SUCCEEDED(hr), "HasAlpha failed, hr=%x\n", hr);
ok(!boolresult, "expected FALSE, got TRUE\n");
hr = IWICPalette_IsBlackWhite(palette, &boolresult);
ok(SUCCEEDED(hr), "IsBlackWhite failed, hr=%x\n", hr);
ok(!boolresult, "expected FALSE, got TRUE\n");
hr = IWICPalette_IsGrayscale(palette, &boolresult);
ok(SUCCEEDED(hr), "IsGrayscale failed, hr=%x\n", hr);
ok(!boolresult, "expected FALSE, got TRUE\n");
hr = IWICImagingFactory_CreatePalette(factory, &palette2);
ok(SUCCEEDED(hr), "CreatePalette failed, hr=%x\n", hr);
hr = IWICPalette_InitializeFromPalette(palette2, palette);
ok(SUCCEEDED(hr), "InitializeFromPalette failed, hr=%x\n", hr);
type = 0xdeadbeef;
hr = IWICPalette_GetType(palette2, &type);
ok(SUCCEEDED(hr), "GetType failed, hr=%x\n", hr);
ok(type == WICBitmapPaletteTypeCustom, "expected WICBitmapPaletteTypeCustom, got %x\n", type);
count = 0xdeadbeef;
hr = IWICPalette_GetColorCount(palette2, &count);
ok(SUCCEEDED(hr), "GetColorCount failed, hr=%x\n", hr);
ok(count == 4, "expected 4, got %u\n", count);
memset(colors, 0, sizeof(colors));
count = 0xdeadbeef;
hr = IWICPalette_GetColors(palette2, 4, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 4, "expected 4, got %u\n", count);
ok(!memcmp(colors, initcolors, sizeof(colors)), "got unexpected palette data\n");
/* try a palette with some alpha in it */
colors[2] = 0x80ffffff;
hr = IWICPalette_InitializeCustom(palette, colors, 4);
ok(SUCCEEDED(hr), "InitializeCustom failed, hr=%x\n", hr);
hr = IWICPalette_HasAlpha(palette, &boolresult);
ok(SUCCEEDED(hr), "HasAlpha failed, hr=%x\n", hr);
ok(boolresult, "expected TRUE, got FALSE\n");
/* setting to a 0-color palette is acceptable */
hr = IWICPalette_InitializeCustom(palette, NULL, 0);
ok(SUCCEEDED(hr), "InitializeCustom failed, hr=%x\n", hr);
type = 0xdeadbeef;
hr = IWICPalette_GetType(palette, &type);
ok(SUCCEEDED(hr), "GetType failed, hr=%x\n", hr);
ok(type == WICBitmapPaletteTypeCustom, "expected WICBitmapPaletteTypeCustom, got %x\n", type);
count = 0xdeadbeef;
hr = IWICPalette_GetColorCount(palette, &count);
ok(SUCCEEDED(hr), "GetColorCount failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
count = 0xdeadbeef;
hr = IWICPalette_GetColors(palette, 4, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
hr = IWICPalette_InitializeFromPalette(palette2, palette);
ok(SUCCEEDED(hr), "InitializeFromPalette failed, hr=%x\n", hr);
type = 0xdeadbeef;
hr = IWICPalette_GetType(palette2, &type);
ok(SUCCEEDED(hr), "GetType failed, hr=%x\n", hr);
ok(type == WICBitmapPaletteTypeCustom, "expected WICBitmapPaletteTypeCustom, got %x\n", type);
count = 0xdeadbeef;
hr = IWICPalette_GetColorCount(palette2, &count);
ok(SUCCEEDED(hr), "GetColorCount failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
memset(colors, 0, sizeof(colors));
count = 0xdeadbeef;
hr = IWICPalette_GetColors(palette2, 4, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
/* IWICPalette is paranoid about NULL pointers */
hr = IWICPalette_GetType(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_GetColorCount(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_InitializeCustom(palette, NULL, 4);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_GetColors(palette, 4, NULL, &count);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_GetColors(palette, 4, colors, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_HasAlpha(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_IsBlackWhite(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_IsGrayscale(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_InitializeFromPalette(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
IWICPalette_Release(palette2);
IWICPalette_Release(palette);
}
IWICImagingFactory_Release(factory);
}
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, &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_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, 0, &format,
WICBitmapCacheOnLoad, 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;
}
