* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
-
-#include "config.h"
-
-#include <stdarg.h>
-
-#include "windef.h"
-#include "winbase.h"
-#include "objbase.h"
-#include "wincodec.h"
-
#include "wincodecs_private.h"
-#include "wine/debug.h"
-
-WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
+extern BOOL WINAPI WIC_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
switch (fdwReason)
{
- case DLL_WINE_PREATTACH:
- return FALSE; /* prefer native version */
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hinstDLL);
break;
- case DLL_PROCESS_DETACH:
- break;
}
- return TRUE;
+ return WIC_DllMain(hinstDLL, fdwReason, lpvReserved);
+}
+
+HRESULT WINAPI DllCanUnloadNow(void)
+{
+ return S_FALSE;
}
HRESULT copy_pixels(UINT bpp, const BYTE *srcbuffer,
{
UINT bytesperrow;
UINT row_offset; /* number of bits into the source rows where the data starts */
+ WICRect rect;
- if (rc->X < 0 || rc->Y < 0 || rc->X+rc->Width > srcwidth || rc->Y+rc->Height > srcheight)
- return E_INVALIDARG;
+ if (!rc)
+ {
+ rect.X = 0;
+ rect.Y = 0;
+ rect.Width = srcwidth;
+ rect.Height = srcheight;
+ rc = ▭
+ }
+ else
+ {
+ if (rc->X < 0 || rc->Y < 0 || rc->X+rc->Width > srcwidth || rc->Y+rc->Height > srcheight)
+ return E_INVALIDARG;
+ }
bytesperrow = ((bpp * rc->Width)+7)/8;
if (dststride < bytesperrow)
return E_INVALIDARG;
- if ((dststride * rc->Height) > dstbuffersize)
+ if ((dststride * (rc->Height-1)) + ((rc->Width * bpp) + 7)/8 > dstbuffersize)
return E_INVALIDARG;
+ /* if the whole bitmap is copied and the buffer format matches then it's a matter of a single memcpy */
+ if (rc->X == 0 && rc->Y == 0 && rc->Width == srcwidth && rc->Height == srcheight &&
+ srcstride == dststride && srcstride == bytesperrow)
+ {
+ memcpy(dstbuffer, srcbuffer, srcstride * srcheight);
+ return S_OK;
+ }
+
row_offset = rc->X * bpp;
if (row_offset % 8 == 0)
{
/* everything lines up on a byte boundary */
- UINT row;
+ INT row;
const BYTE *src;
BYTE *dst;
return E_FAIL;
}
}
+
+HRESULT configure_write_source(IWICBitmapFrameEncode *iface,
+ IWICBitmapSource *source, const WICRect *prc,
+ const WICPixelFormatGUID *format,
+ INT width, INT height, double xres, double yres)
+{
+ HRESULT hr = S_OK;
+
+ if (width == 0 || height == 0)
+ return WINCODEC_ERR_WRONGSTATE;
+
+ if (!format)
+ {
+ WICPixelFormatGUID src_format;
+
+ hr = IWICBitmapSource_GetPixelFormat(source, &src_format);
+ if (FAILED(hr)) return hr;
+
+ hr = IWICBitmapFrameEncode_SetPixelFormat(iface, &src_format);
+ if (FAILED(hr)) return hr;
+ }
+
+ if (xres == 0.0 || yres == 0.0)
+ {
+ hr = IWICBitmapSource_GetResolution(source, &xres, &yres);
+ if (FAILED(hr)) return hr;
+ hr = IWICBitmapFrameEncode_SetResolution(iface, xres, yres);
+ if (FAILED(hr)) return hr;
+ }
+
+ return hr;
+}
+
+HRESULT write_source(IWICBitmapFrameEncode *iface,
+ IWICBitmapSource *source, const WICRect *prc,
+ const WICPixelFormatGUID *format, UINT bpp,
+ INT width, INT height)
+{
+ IWICBitmapSource *converted_source;
+ HRESULT hr=S_OK;
+ WICRect rc;
+ UINT stride;
+ BYTE* pixeldata;
+
+ if (!prc)
+ {
+ UINT src_width, src_height;
+ hr = IWICBitmapSource_GetSize(source, &src_width, &src_height);
+ if (FAILED(hr)) return hr;
+ rc.X = 0;
+ rc.Y = 0;
+ rc.Width = src_width;
+ rc.Height = src_height;
+ prc = &rc;
+ }
+
+ if (prc->Width != width || prc->Height <= 0)
+ return E_INVALIDARG;
+
+ hr = WICConvertBitmapSource(format, source, &converted_source);
+ if (FAILED(hr))
+ {
+ ERR("Failed to convert source, target format %s, %#x\n", debugstr_guid(format), hr);
+ return hr;
+ }
+
+ stride = (bpp * width + 7)/8;
+
+ pixeldata = HeapAlloc(GetProcessHeap(), 0, stride * prc->Height);
+ if (!pixeldata)
+ {
+ IWICBitmapSource_Release(converted_source);
+ return E_OUTOFMEMORY;
+ }
+
+ hr = IWICBitmapSource_CopyPixels(converted_source, prc, stride,
+ stride*prc->Height, pixeldata);
+
+ if (SUCCEEDED(hr))
+ {
+ hr = IWICBitmapFrameEncode_WritePixels(iface, prc->Height, stride,
+ stride*prc->Height, pixeldata);
+ }
+
+ HeapFree(GetProcessHeap(), 0, pixeldata);
+ IWICBitmapSource_Release(converted_source);
+
+ return hr;
+}
+
+void reverse_bgr8(UINT bytesperpixel, LPBYTE bits, UINT width, UINT height, INT stride)
+{
+ UINT x, y;
+ BYTE *pixel, temp;
+
+ for (y=0; y<height; y++)
+ {
+ pixel = bits + stride * y;
+
+ for (x=0; x<width; x++)
+ {
+ temp = pixel[2];
+ pixel[2] = pixel[0];
+ pixel[0] = temp;
+ pixel += bytesperpixel;
+ }
+ }
+}
+
+HRESULT get_pixelformat_bpp(const GUID *pixelformat, UINT *bpp)
+{
+ HRESULT hr;
+ IWICComponentInfo *info;
+ IWICPixelFormatInfo *formatinfo;
+
+ hr = CreateComponentInfo(pixelformat, &info);
+ if (SUCCEEDED(hr))
+ {
+ hr = IWICComponentInfo_QueryInterface(info, &IID_IWICPixelFormatInfo, (void**)&formatinfo);
+
+ if (SUCCEEDED(hr))
+ {
+ hr = IWICPixelFormatInfo_GetBitsPerPixel(formatinfo, bpp);
+
+ IWICPixelFormatInfo_Release(formatinfo);
+ }
+
+ IWICComponentInfo_Release(info);
+ }
+
+ return hr;
+}