// 获取当前窗体对应区域的图片
HBITMAP QnDC::GetBitmap(CWnd* pWnd)
{
CRect rect;
pWnd->GetWindowRect(rect);
m_pWnd->ScreenToClient(rect);
return GetBitmapFromDC(rect);
}
bool platform_support::load_img_from_dc(unsigned idx, HDC hdc)
{
if(idx < max_images)
{
#ifndef _MG_MINIMALGRAF
if(m_specific->m_surf_img[idx])
UnloadBitmap(m_specific->m_surf_img[idx]);
else
m_specific->m_surf_img[idx] = (PBITMAP)calloc(1, sizeof(BITMAP));
#endif
#if 0
if (LoadBitmapFromMem(m_specific->m_surf_window,
m_specific->m_surf_img[idx],
(const void *)LockDC(hdc, NULL, NULL, NULL, NULL),
0,
"bmp") != 0)
#else
HDC tmpdc = CreateCompatibleDC(m_specific->m_surf_window);
if(tmpdc == HDC_INVALID)
return false;
BitBlt(hdc, 0, 0, 0, 0, tmpdc, 0, 0, 0);
if ( !GetBitmapFromDC(tmpdc,
0, 0, 240, 320,
m_specific->m_surf_img[idx]) )
#endif
{
DeleteCompatibleDC(tmpdc);
return false;
}
DeleteCompatibleDC(tmpdc);
#if 0
FillBoxWithBitmap(HDC_SCREEN, 350, 0, 0, 0,
m_specific->m_surf_img[idx]);
//BitBlt(hdc, 0, 0, 0, 0, HDC_SCREEN, 500, 0, true);
#endif
#if 0
printf("load img: w=%d, h=%d, pitch=%d, pixels=%x\n",
m_specific->m_surf_img[idx]->bmWidth,
m_specific->m_surf_img[idx]->bmHeight,
m_specific->m_surf_img[idx]->bmPitch,
m_specific->m_surf_img[idx]->bmBits);
#endif
m_rbuf_img[idx].attach(m_specific->m_surf_img[idx]->bmBits,
m_specific->m_surf_img[idx]->bmWidth,
m_specific->m_surf_img[idx]->bmHeight,
m_flip_y?(-m_specific->m_surf_img[idx]->bmPitch):
m_specific->m_surf_img[idx]->bmPitch);
return true;
}
return false;
}
void GetCaretBitmaps (PCARETINFO pCaretInfo)
{
int i;
int sx, sy;
// convert to screen coordinates
sx = pCaretInfo->x;
sy = pCaretInfo->y;
ClientToScreen (pCaretInfo->hOwner, &sx, &sy);
// save normal bitmap first.
#ifdef _USE_NEWGAL
pCaretInfo->caret_bmp.bmBits = pCaretInfo->pNormal;
GetBitmapFromDC (HDC_SCREEN, sx, sy,
pCaretInfo->caret_bmp.bmWidth,
pCaretInfo->caret_bmp.bmHeight,
&pCaretInfo->caret_bmp);
#else
SaveScreenBox (sx, sy,
pCaretInfo->nEffWidth, pCaretInfo->nEffHeight,
pCaretInfo->pNormal);
#endif
// generate XOR bitmap.
if (pCaretInfo->pBitmap) {
BYTE* normal;
BYTE* bitmap;
BYTE* xored;
normal = pCaretInfo->pNormal;
bitmap = pCaretInfo->pBitmap->bmBits;
xored = pCaretInfo->pXored;
for (i = 0; i < pCaretInfo->nBytesNr; i++)
xored[i] = normal[i] ^ bitmap[i];
}
else {
BYTE* normal;
BYTE* xored;
BYTE xor_byte;
if (BITSPERPHYPIXEL < 8)
xor_byte = 0x0F;
else
xor_byte = 0xFF;
normal = pCaretInfo->pNormal;
xored = pCaretInfo->pXored;
for (i = 0; i < pCaretInfo->nBytesNr; i++)
xored[i] = normal[i] ^ xor_byte;
}
}
bool platform_support::load_img_from_bitmap(unsigned idx, PBITMAP pbmp)
{
if(idx < max_images)
{
int ret = FALSE;
#ifndef _MG_MINIMALGRAF
if(m_specific->m_surf_img[idx])
UnloadBitmap(m_specific->m_surf_img[idx]);
else
m_specific->m_surf_img[idx] = (PBITMAP)calloc(1, sizeof(BITMAP));
#endif
HDC tmpdc = CreateCompatibleDC(m_specific->m_surf_window);
HDC tmpdc2 = CreateCompatibleDC(HDC_SCREEN);
if(tmpdc == HDC_INVALID)
return false;
FillBoxWithBitmap(tmpdc2, 0, 0, pbmp->bmWidth, pbmp->bmHeight,
pbmp);
BitBlt(tmpdc2, 0, 0, 0, 0, tmpdc, 0, 0, 0);
do {
if (!GetBitmapFromDC(tmpdc,
0, 0, 240, 320,
m_specific->m_surf_img[idx]))
{
ret = FALSE;
break;
}
m_rbuf_img[idx].attach(m_specific->m_surf_img[idx]->bmBits,
m_specific->m_surf_img[idx]->bmWidth,
m_specific->m_surf_img[idx]->bmHeight,
m_flip_y?(-m_specific->m_surf_img[idx]->bmPitch):
m_specific->m_surf_img[idx]->bmPitch);
ret = TRUE;
} while(FALSE);
DeleteCompatibleDC(tmpdc);
DeleteCompatibleDC(tmpdc2);
return ret;
}
return false;
}
