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2026-02-02 04:50:13 +01:00

114 lines
3.1 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/textconsole.h"
#include "bagel/mfc/afxwin.h"
namespace Bagel {
namespace MFC {
bool CBitmap::Attach(HBITMAP hObject) {
return CGdiObject::Attach(hObject);
}
HBITMAP CBitmap::Detach() {
return (HBITMAP)CGdiObject::Detach();
}
bool CBitmap::CreateCompatibleBitmap(CDC *pDC, int nWidth, int nHeight) {
const CDC::Impl *dc = static_cast<CDC::Impl *>(pDC->m_hDC);
Gfx::Surface *src = dc->getSurface();
BITMAPINFOHEADER h;
h.biSize = 40;
h.biWidth = nWidth;
h.biHeight = nHeight;
h.biPlanes = 1;
h.biBitCount = src->format.bytesPerPixel * 8;
h.biCompression = BI_RGB;
h.biSizeImage = 0;
h.biXPelsPerMeter = 0;
h.biYPelsPerMeter = 0;
h.biClrUsed = 0;
h.biClrImportant = 0;
m_hObject = CreateDIBitmap(nullptr, &h,
0, nullptr, nullptr, DIB_RGB_COLORS);
// This is where it becomes permanent
AfxHookObject();
return true;
}
bool CBitmap::CreateBitmap(int nWidth, int nHeight, unsigned int nPlanes,
unsigned int nBitcount, const void *lpBits) {
assert(nPlanes == 1);
BITMAPINFOHEADER h;
h.biSize = 40;
h.biWidth = nWidth;
h.biHeight = nHeight;
h.biPlanes = 1;
h.biBitCount = nBitcount;
h.biCompression = BI_RGB;
h.biSizeImage = 0;
h.biXPelsPerMeter = 0;
h.biYPelsPerMeter = 0;
h.biClrUsed = 0;
h.biClrImportant = 0;
m_hObject = CreateDIBitmap(nullptr, &h,
lpBits ? CBM_INIT : 0, lpBits, nullptr, DIB_RGB_COLORS);
// This is where it becomes permanent
AfxHookObject();
return true;
}
int CBitmap::GetObject(int nCount, void *lpObject) const {
CBitmap::Impl *src = static_cast<CBitmap::Impl *>(m_hObject);
BITMAP *dest = (BITMAP *)lpObject;
assert(src && nCount == sizeof(BITMAP));
dest->bmType = 0;
dest->bmWidth = src->w;
dest->bmHeight = src->h;
dest->bmWidthBytes = src->pitch * src->format.bytesPerPixel;
dest->bmPlanes = 1;
dest->bmBitsPixel = src->format.bpp();
dest->bmBits = src->getPixels();
return sizeof(BITMAP);
}
long CBitmap::GetBitmapBits(long dwCount, void *lpBits) const {
const CBitmap::Impl *src = static_cast<CBitmap::Impl *>(m_hObject);
dwCount = MIN<int32>((int32)dwCount, src->pitch * src->h * src->format.bytesPerPixel);
Common::copy((const byte *)src->getPixels(),
(const byte *)src->getPixels() + dwCount,
(byte *)lpBits);
return dwCount;
}
} // namespace MFC
} // namespace Bagel