Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-02-28 19:32:59 +00:00
Code Issues Projects Releases Packages Wiki Activity

[COMCTL32] fix version number reading/writing image lists and counting pointers for mixing image & mask

Browse source
This commit is contained in:
Denis Malikov 2018-06-15 22:58:48 +07:00 committed by Justin Miller
parent e4216bd015
commit 28b802b229
1 changed files with 38 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

40
dll/win32/comctl32/imagelist.c
View file

@ -112,11 +112,15 @@ struct _IMAGELIST
BOOL color_table_set;
LONG ref; /* reference count */
#ifdef __REACTOS__
USHORT usVersion; /* hack for IL from stream. Keep version here */
#endif
};
#define IMAGELIST_MAGIC 0x53414D58
#ifdef __REACTOS__
#define IMAGELIST_MAGIC_DESTROYED 0x44454144
#define IMAGELIST_VERSION 0x101
#endif
/* Header used by ImageList_Read() and ImageList_Write() */
@ -841,6 +845,9 @@ ImageList_Create (INT cx, INT cy, UINT flags,
himl->clrFg = CLR_DEFAULT;
himl->clrBk = CLR_NONE;
himl->color_table_set = FALSE;
#ifdef __REACTOS__
himl->usVersion = 0;
#endif
/* initialize overlay mask indices */
for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
@ -2477,7 +2484,13 @@ HIMAGELIST WINAPI ImageList_Read(IStream *pstm)
return NULL;
if (ilHead.usMagic != (('L' << 8) | 'I'))
return NULL;
#ifdef __REACTOS__
if (ilHead.usVersion != IMAGELIST_VERSION &&
ilHead.usVersion != 0x600 && /* XP/2003 version */
ilHead.usVersion != 0x620) /* Vista/7 version */
#else
if (ilHead.usVersion != 0x101) /* probably version? */
#endif
return NULL;
TRACE("cx %u, cy %u, flags 0x%04x, cCurImage %u, cMaxImage %u\n",
@ -2487,6 +2500,11 @@ HIMAGELIST WINAPI ImageList_Read(IStream *pstm)
if (!himl)
return NULL;
#ifdef __REACTOS__
/* keep version from stream */
himl->usVersion = ilHead.usVersion;
#endif
if (!(image_bits = read_bitmap(pstm, image_info)))
{
WARN("failed to read bitmap from stream\n");
@ -2506,17 +2524,34 @@ HIMAGELIST WINAPI ImageList_Read(IStream *pstm)
{
DWORD *ptr = image_bits;
BYTE *mask_ptr = mask_bits;
#ifdef __REACTOS__
int stride = himl->cy * (ilHead.usVersion != IMAGELIST_VERSION ? himl->cx : image_info->bmiHeader.biWidth);
int image_step = ilHead.usVersion != IMAGELIST_VERSION ? 1 : TILE_COUNT;
int mask_step = ilHead.usVersion != IMAGELIST_VERSION ? 4 : 8;
#else
int stride = himl->cy * image_info->bmiHeader.biWidth;
#endif
if (image_info->bmiHeader.biHeight > 0) /* bottom-up */
{
ptr += image_info->bmiHeader.biHeight * image_info->bmiHeader.biWidth - stride;
#ifdef __REACTOS__
mask_ptr += (image_info->bmiHeader.biHeight * image_info->bmiHeader.biWidth - stride) / mask_step;
#else
mask_ptr += (image_info->bmiHeader.biHeight * image_info->bmiHeader.biWidth - stride) / 8;
#endif
stride = -stride;
image_info->bmiHeader.biHeight = himl->cy;
}
else image_info->bmiHeader.biHeight = -himl->cy;
#ifdef __REACTOS__
for (i = 0; i < ilHead.cCurImage; i += image_step)
{
add_dib_bits(himl, i, min(ilHead.cCurImage - i, image_step),
himl->cx, himl->cy, image_info, mask_info, ptr, mask_ptr);
ptr += stride;
mask_ptr += stride / mask_step;
}
#else
for (i = 0; i < ilHead.cCurImage; i += TILE_COUNT)
{
add_dib_bits( himl, i, min( ilHead.cCurImage - i, TILE_COUNT ),
@ -2524,6 +2559,7 @@ HIMAGELIST WINAPI ImageList_Read(IStream *pstm)
ptr += stride;
mask_ptr += stride / 8;
}
#endif
}
else
{