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- // VirtualDub - Video processing and capture application
- // Copyright (C) 1998-2001 Avery Lee
- //
- // This program is free software; you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation; either version 2 of the License, or
- // (at your option) any later version.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with this program; if not, write to the Free Software
- // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- #include "MonoBitmap.h"
-
- MonoBitmap::MonoBitmap(HDC hdcRef, int width, int height, COLORREF crFore, COLORREF crBack) {
- HDC hdcDisplay = NULL;
-
- if (!hdcRef)
- hdcRef = hdcDisplay = CreateDC("DISPLAY", NULL, NULL, NULL);
-
- hdcCompat = CreateCompatibleDC(hdcRef);
-
- iPitch = ((width + 31)/32)*4;
-
- bi.bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- bi.bi.bmiHeader.biWidth = width;
- bi.bi.bmiHeader.biHeight = height;
- bi.bi.bmiHeader.biPlanes = 1;
- bi.bi.bmiHeader.biBitCount = 1;
- bi.bi.bmiHeader.biCompression = BI_RGB;
- bi.bi.bmiHeader.biSizeImage = iPitch*height;
- bi.bi.bmiHeader.biXPelsPerMeter = 100;
- bi.bi.bmiHeader.biYPelsPerMeter = 100;
- bi.bi.bmiHeader.biClrUsed = 2;
- bi.bi.bmiHeader.biClrImportant = 2;
- bi.bi.bmiColors[0].rgbBlue = GetBValue(crBack);
- bi.bi.bmiColors[0].rgbGreen = GetGValue(crBack);
- bi.bi.bmiColors[0].rgbRed = GetRValue(crBack);
- bi.bi.bmiColors[1].rgbBlue = GetBValue(crFore);
- bi.bi.bmiColors[1].rgbGreen = GetGValue(crFore);
- bi.bi.bmiColors[1].rgbRed = GetRValue(crFore);
-
- hbm = CreateDIBSection(hdcCompat, &bi.bi, DIB_RGB_COLORS, &lpvBits, NULL, 0);
- SelectObject(hdcCompat, hbm);
-
- if (hdcDisplay) DeleteDC(hdcDisplay);
-
- }
-
- MonoBitmap::~MonoBitmap() {
- DeleteDC(hdcCompat);
- DeleteObject(hbm);
- }
-
- void MonoBitmap::Clear() {
- GdiFlush();
- memset(lpvBits, 0, bi.bi.bmiHeader.biSizeImage);
- }
-
- void MonoBitmap::BitBlt(HDC hdcDest, LONG x, LONG y) {
- BitBlt(hdcDest, x, y, 0, 0, bi.bi.bmiHeader.biWidth, bi.bi.bmiHeader.biHeight);
- }
-
- void MonoBitmap::BitBlt(HDC hdcDest, LONG dx, LONG dy, LONG sx, LONG sy, LONG w, LONG h) {
- ::BitBlt(hdcDest,
- dx, dy,
- w, h,
- hdcCompat,
- sx, sy,
- SRCCOPY);
- }
-