Here is the new version of the function CreateBmpFromMem
- returns NULL if GetDC fails
- some minor modifications to improve the readability of the source code
; CreateBmpFromMem V1.1 by Vortex
; Retrieves the handle of a bitmap stored in memory
.386
.model flat,stdcall
option casemap:none
include \GeneSys\include\windows.inc
GetDC PROTO :DWORD
CreateDIBitmap PROTO :DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD
ReleaseDC PROTO :DWORD,:DWORD
.code
CreateBmpFromMem PROC hWnd:DWORD,pBmp:DWORD,hDCnew
invoke GetDC,hWnd
test eax,eax
jz @f
push eax
mov edx,hDCnew
mov DWORD PTR [edx],eax
mov edx,pBmp
lea ecx,[edx+sizeof(BITMAPFILEHEADER)] ; start of the BITMAPINFOHEADER header
mov eax,BITMAPFILEHEADER.bfOffBits[edx]
add edx,eax ; edx points the array of bytes containing the bitmap data
pop eax
invoke CreateDIBitmap,eax,ecx,CBM_INIT,edx,ecx,DIB_RGB_COLORS
@@:
ret
CreateBmpFromMem ENDP
END