ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

windowscodecs: Implement Commit for the PNG frame encoder.

This commit is contained in:
Vincent Povirk 2009-09-23 17:20:07 -05:00 committed by Alexandre Julliard
parent b3790010fd
commit e7eadeec92
1 changed files with 21 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
dlls/windowscodecs/pngformat.c
View File

@ -70,6 +70,7 @@ MAKE_FUNCPTR(png_set_write_fn);
MAKE_FUNCPTR(png_read_end);
MAKE_FUNCPTR(png_read_image);
MAKE_FUNCPTR(png_read_info);
MAKE_FUNCPTR(png_write_end);
MAKE_FUNCPTR(png_write_info);
MAKE_FUNCPTR(png_write_rows);
#undef MAKE_FUNCPTR
@ -110,6 +111,7 @@ static void *load_libpng(void)
LOAD_FUNCPTR(png_read_end);
LOAD_FUNCPTR(png_read_image);
LOAD_FUNCPTR(png_read_info);
LOAD_FUNCPTR(png_write_end);
LOAD_FUNCPTR(png_write_info);
LOAD_FUNCPTR(png_write_rows);
@ -712,6 +714,7 @@ typedef struct PngEncoder {
UINT width, height;
double xres, yres;
UINT lines_written;
BOOL frame_committed;
} PngEncoder;
static inline PngEncoder *encoder_from_frame(IWICBitmapFrameEncode *iface)
@ -973,8 +976,23 @@ static HRESULT WINAPI PngFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI PngFrameEncode_Commit(IWICBitmapFrameEncode *iface)
{
FIXME("(%p): stub\n", iface);
return E_NOTIMPL;
PngEncoder *This = encoder_from_frame(iface);
TRACE("(%p)\n", iface);
if (!This->info_written || This->lines_written != This->height || This->frame_committed)
return WINCODEC_ERR_WRONGSTATE;
/* set up setjmp/longjmp error handling */
if (setjmp(png_jmpbuf(This->png_ptr)))
{
return E_FAIL;
}
ppng_write_end(This->png_ptr, This->info_ptr);
This->frame_committed = TRUE;
return S_OK;
}
static HRESULT WINAPI PngFrameEncode_GetMetadataQueryWriter(IWICBitmapFrameEncode *iface,
@ -1239,6 +1257,7 @@ HRESULT PngEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
This->xres = 0.0;
This->yres = 0.0;
This->lines_written = 0;
This->frame_committed = FALSE;
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This);