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March 21st, 2010, 01:08 PM
#1
creating a frame
hi all!
i'm trying to create something like a frame so i made
Code:
HDC hdc2 = CreateCompatibleDC(hdc);
//draw on hdc2
BitBlt(hdc, 44, 59, 193, 87, hdc2, 0, 0, SRCCOPY);
where hdc is the main hdc retrieved by hdc = BeginPaint(hWnd, &ps);
i thought "probably i have to convert hdc2 in HBITMAP" but when i do that it seems it takes wrong pointer or lost a pair... XD
i need also hdc2 transparent.
p.s. i'm developing on windows mobile that is the same of the normal win32 unless a couple of function like createDIBitmap are not implemented
tnx!
Last edited by EvIl_DeViL; March 21st, 2010 at 01:16 PM.
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March 23rd, 2010, 08:29 AM
#2
Re: creating a frame
Originally Posted by EvIl_DeViL
hi all!
i'm trying to create something like a frame so i made
Code:
HDC hdc2 = CreateCompatibleDC(hdc);
//draw on hdc2
BitBlt(hdc, 44, 59, 193, 87, hdc2, 0, 0, SRCCOPY);
where hdc is the main hdc retrieved by hdc = BeginPaint(hWnd, &ps);
i thought "probably i have to convert hdc2 in HBITMAP" but when i do that it seems it takes wrong pointer or lost a pair... XD
i need also hdc2 transparent.
p.s. i'm developing on windows mobile that is the same of the normal win32 unless a couple of function like createDIBitmap are not implemented
tnx!
The BitBlt function is for rendering bitmaps (or parts of it) to a dc. So if you want to use it you must create (or have) a device context as a destination and one (this is hdc2) as a source. You must select a valide bitmap in the source dc (via SelectObject). Then this selected bitmap will be rendered.
Why do you want to use BitBlt to create a frame? Maybe my English isn't good enough: But what exactly is a frame in your original post? Is it a frame of 4 lines (up, down, left and right) or a bitmap?
If it is a frame of four lines you can use Rectangle (supported for CE too).
If it is a bitmap:
Code:
HDC hdc2 = CreateCompatibleDC(hdc);
//draw on hdc2
HBITMAP hOldBmp = SelectObject(hdc2, hBitmap);
BitBlt(hdc, 44, 59, 193, 87, hdc2, 0, 0, SRCCOPY);
SelectObject(hdc2, hOldBmp);
DeleteDC(hdc2);
With regards
Programartist
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