void SimpleCanvas::setBitmapSize(int sizeX, int sizeY)
{
HBITMAP newBM = CreateCompatibleBitmap(DC(), sizeX, sizeY);
SetBitmapDimensionEx(newBM, sizeX, sizeY, 0);
if (mOffScreenBM) {
// Copy as much of the old contents as possible into the new bitmap
HDC tempDC = CreateCompatibleDC(DC());
HGDIOBJ defaultBM = SelectObject(tempDC, newBM);
// Perform the copy from old to new
SIZE oldBMSize;
GetBitmapDimensionEx(mOffScreenBM, &oldBMSize);
BitBlt(tempDC, 0, 0, oldBMSize.cx, oldBMSize.cy,
offScreenDC(), 0, 0, SRCCOPY);
// Select clean up and select new bitmap
SelectObject(tempDC, defaultBM);
DeleteDC(tempDC);
HGDIOBJ oldBM = SelectObject(offScreenDC(), newBM);
assert(oldBM == mOffScreenBM);
DeleteObject(mOffScreenBM);
} else {
SelectObject(offScreenDC(), newBM);
}
mOffScreenBM = newBM;
}
static PetscErrorCode PetscDrawResizeWindow_Win32(PetscDraw draw,int w,int h)
{
PetscDraw_Win32 *windraw = (PetscDraw_Win32*)draw->data;
RECT r;
PetscFunctionBegin;
GetWindowRect(windraw->hWnd,&r);
MoveWindow(windraw->hWnd,r.left,r.top,(int)w,(int)h,TRUE);
/* set all variable dealing with window dimensions */
windraw->node->bitheight = windraw->h = draw->h = h;
windraw->node->bitwidth = windraw->w = draw->w = w;
/* set up graphic buffers with the new size of window */
SetBitmapDimensionEx(windraw->node->BufferBit,w,h,NULL);
if (windraw->node->DoubleBuffered) SetBitmapDimensionEx(windraw->node->DoubleBufferBit,w,h,NULL);
windraw->haveresized = PETSC_TRUE;
PetscFunctionReturn(0);
}
void GDITest(void)
{
ENUMLOGFONTEXW enumlog;
EXTLOGFONTW extlog;
memset(& enumlog, 0, sizeof(enumlog));
memset(& extlog, 0, sizeof(extlog));
int j = sizeof(enumlog);
int k = sizeof(extlog);
for (int i=0; i<sizeof(FIXARRAY)/sizeof(long); i++)
{
char t[20];
long v = FIXARRAY[i];
if ( v >= 0)
t[0] = '+';
else
{
t[0] = '-';
v = - v;
}
sprintf(t+1, "%d + %d/16\n", v/16, v%16);
OutputDebugString(t);
}
HDC hDC = GetDC(NULL);
HBITMAP bmp1 = CreateBitmap(100, 100, 1, 1, NULL);
HBITMAP bmp2 = CreateBitmap(100, 100, 1, 4, NULL);
HBITMAP bmp3 = CreateBitmap(100, 100, 1, 8, NULL);
HBITMAP bmp4 = CreateBitmap(100, 100, 3, 8, NULL);
HBITMAP bmp5 = CreateBitmap(100, 100, 1, 24, NULL);
void * dibbits;
HBITMAP bmp6 = CreateDIBSection(hDC, (BITMAPINFO *) & dib,
DIB_RGB_COLORS, & dibbits, NULL, 0);
BeginPath(hDC);
MoveToEx(hDC, 100, 100, NULL);
LineTo(hDC, 150, 150);
PolyBezierTo(hDC, & Points[0], 3);
CloseFigure(hDC);
Ellipse(hDC, -100, -100, 100, 100);
EndPath(hDC);
POINT points[20];
BYTE types[20];
int n = GetPath(hDC, NULL, NULL, 0);
n = GetPath(hDC, points, types, min(n, 20));
SetBitmapDimensionEx(bmp1, 10000, 10000, NULL);
}
HBITMAP Explorerplusplus::CaptureTabScreenshot(int iTabId)
{
HDC hdc;
HDC hdcSrc;
HBITMAP hBitmap;
HBITMAP hPrevBitmap;
Gdiplus::Color color(0,0,0);
RECT rcMain;
RECT rcTab;
HWND hTab = m_hListView[iTabId];
GetClientRect(m_hContainer,&rcMain);
GetClientRect(hTab,&rcTab);
/* Main window BitBlt. */
hdc = GetDC(m_hContainer);
hdcSrc = CreateCompatibleDC(hdc);
/* Any bitmap sent back to the operating system will need to be in 32-bit
ARGB format. */
Gdiplus::Bitmap bi(GetRectWidth(&rcMain),GetRectHeight(&rcMain),PixelFormat32bppARGB);
bi.GetHBITMAP(color,&hBitmap);
/* BitBlt the main window into the bitmap. */
hPrevBitmap = (HBITMAP)SelectObject(hdcSrc,hBitmap);
BitBlt(hdcSrc,0,0,GetRectWidth(&rcMain),GetRectHeight(&rcMain),hdc,0,0,SRCCOPY);
/* Now BitBlt the tab onto the main window. */
HDC hdcTab;
HDC hdcTabSrc;
HBITMAP hbmTab;
HBITMAP hbmTabPrev;
BOOL bVisible;
hdcTab = GetDC(hTab);
hdcTabSrc = CreateCompatibleDC(hdcTab);
hbmTab = CreateCompatibleBitmap(hdcTab,GetRectWidth(&rcTab),GetRectHeight(&rcTab));
hbmTabPrev = (HBITMAP)SelectObject(hdcTabSrc,hbmTab);
bVisible = IsWindowVisible(hTab);
if(!bVisible)
{
ShowWindow(hTab,SW_SHOW);
}
PrintWindow(hTab,hdcTabSrc,PW_CLIENTONLY);
if(!bVisible)
{
ShowWindow(hTab,SW_HIDE);
}
MapWindowPoints(hTab,m_hContainer,(LPPOINT)&rcTab,2);
BitBlt(hdcSrc,rcTab.left,rcTab.top,GetRectWidth(&rcTab),GetRectHeight(&rcTab),hdcTabSrc,0,0,SRCCOPY);
SelectObject(hdcTabSrc,hbmTabPrev);
DeleteObject(hbmTab);
DeleteDC(hdcTabSrc);
ReleaseDC(hTab,hdcTab);
/* Shrink the bitmap. */
HDC hdcThumbnailSrc;
HBITMAP hbmThumbnail;
POINT pt;
hdcThumbnailSrc = CreateCompatibleDC(hdc);
/* Thumbnail bitmap. */
Gdiplus::Bitmap bmpThumbnail(GetRectWidth(&rcMain),GetRectHeight(&rcMain),PixelFormat32bppARGB);
bmpThumbnail.GetHBITMAP(color,&hbmThumbnail);
hPrevBitmap = (HBITMAP)SelectObject(hdcThumbnailSrc,hbmThumbnail);
/* Finally, shrink the full-scale bitmap down into a thumbnail. */
SetStretchBltMode(hdcThumbnailSrc,HALFTONE);
SetBrushOrgEx(hdcThumbnailSrc,0,0,&pt);
BitBlt(hdcThumbnailSrc,0,0,GetRectWidth(&rcMain),GetRectHeight(&rcMain),hdcSrc,0,0,SRCCOPY);
SetBitmapDimensionEx(hbmThumbnail,GetRectWidth(&rcMain),GetRectHeight(&rcMain),NULL);
SelectObject(hdcThumbnailSrc,hPrevBitmap);
DeleteDC(hdcThumbnailSrc);
DeleteObject(hBitmap);
SelectObject(hdcSrc,hPrevBitmap);
DeleteDC(hdcSrc);
ReleaseDC(m_hContainer,hdc);
return hbmThumbnail;
}
LRESULT CALLBACK Explorerplusplus::TabProxyWndProc(HWND hwnd,UINT Msg,WPARAM wParam,LPARAM lParam,int iTabId)
{
switch(Msg)
{
case WM_ACTIVATE:
/* Restore the main window if necessary, and switch
to the actual tab. */
if(IsIconic(m_hContainer))
{
ShowWindow(m_hContainer,SW_RESTORE);
}
OnSelectTab(iTabId,FALSE);
return 0;
break;
case WM_SETFOCUS:
SetFocus(m_hListView[iTabId]);
break;
case WM_SYSCOMMAND:
switch(wParam)
{
case SC_CLOSE:
break;
default:
SendMessage(m_hListView[iTabId],WM_SYSCOMMAND,wParam,lParam);
break;
}
break;
/* Generate a thumbnail of the current tab. Basic procedure:
1. Generate a full-scale bitmap of the main window.
2. Overlay a bitmap of the specified tab onto the main
window bitmap.
3. Shrink the resulting bitmap down to the correct thumbnail size.
A thumbnail will be dynamically generated, provided the main window
is not currently minimized (as we won't be able to grap a screenshot
of it). If the main window is minimized, we'll use a cached screenshot
of the tab (taken before the main window was minimized). */
case WM_DWMSENDICONICTHUMBNAIL:
{
HDC hdc;
HDC hdcSrc;
HBITMAP hbmTab = NULL;
HBITMAP hPrevBitmap;
Gdiplus::Color color(0,0,0);
HRESULT hr;
int iBitmapWidth;
int iBitmapHeight;
int iWidth;
int iHeight;
int iMaxWidth;
int iMaxHeight;
iMaxWidth = HIWORD(lParam);
iMaxHeight = LOWORD(lParam);
/* If the main window is minimized, it won't be possible
to generate a thumbnail for any of the tabs. In that
case, use a static 'No Preview Available' bitmap. */
if(IsIconic(m_hContainer))
{
hbmTab = (HBITMAP)LoadImage(GetModuleHandle(0),MAKEINTRESOURCE(IDB_NOPREVIEWAVAILABLE),IMAGE_BITMAP,0,0,0);
SetBitmapDimensionEx(hbmTab,223,130,NULL);
}
else
{
hbmTab = CaptureTabScreenshot(iTabId);
}
SIZE sz;
GetBitmapDimensionEx(hbmTab,&sz);
iBitmapWidth = sz.cx;
iBitmapHeight = sz.cy;
/* Shrink the bitmap. */
HDC hdcThumbnailSrc;
HBITMAP hbmThumbnail;
POINT pt;
hdc = GetDC(m_hContainer);
hdcSrc = CreateCompatibleDC(hdc);
SelectObject(hdcSrc,hbmTab);
hdcThumbnailSrc = CreateCompatibleDC(hdc);
/* If the current height of the main window
is less than the width, we'll create a thumbnail
of maximum width; else maximum height. */
if((iBitmapWidth / iMaxWidth) > (iBitmapHeight / iMaxHeight))
{
iWidth = iMaxWidth;
iHeight = iMaxWidth * iBitmapHeight / iBitmapWidth;
}
else
{
iHeight = iMaxHeight;
iWidth = iMaxHeight * iBitmapWidth / iBitmapHeight;
}
/* Thumbnail bitmap. */
Gdiplus::Bitmap bmpThumbnail(iWidth,iHeight,PixelFormat32bppARGB);
bmpThumbnail.GetHBITMAP(color,&hbmThumbnail);
hPrevBitmap = (HBITMAP)SelectObject(hdcThumbnailSrc,hbmThumbnail);
/* Finally, shrink the full-scale bitmap down into a thumbnail. */
SetStretchBltMode(hdcThumbnailSrc,HALFTONE);
SetBrushOrgEx(hdcThumbnailSrc,0,0,&pt);
StretchBlt(hdcThumbnailSrc,0,0,iWidth,iHeight,hdcSrc,0,0,iBitmapWidth,iBitmapHeight,SRCCOPY);
SelectObject(hdcThumbnailSrc,hPrevBitmap);
DeleteDC(hdcThumbnailSrc);
HMODULE hDwmapi;
DwmSetIconicThumbnailProc DwmSetIconicThumbnail;
hDwmapi = LoadLibrary(_T("dwmapi.dll"));
if(hDwmapi != NULL)
{
DwmSetIconicThumbnail = (DwmSetIconicThumbnailProc)GetProcAddress(hDwmapi,"DwmSetIconicThumbnail");
if(DwmSetIconicThumbnail != NULL)
{
hr = DwmSetIconicThumbnail(hwnd,hbmThumbnail,0);
}
}
FreeLibrary(hDwmapi);
/* Delete the thumbnail bitmap. */
DeleteObject(hbmTab);
SelectObject(hdcSrc,hPrevBitmap);
DeleteObject(hbmThumbnail);
DeleteDC(hdcSrc);
ReleaseDC(m_hContainer,hdc);
return 0;
}
break;
case WM_DWMSENDICONICLIVEPREVIEWBITMAP:
{
HMODULE hDwmapi;
TabPreviewInfo_t tpi;
DwmSetIconicLivePreviewBitmapProc DwmSetIconicLivePreviewBitmap;
tpi.hbm = NULL;
if(IsIconic(m_hContainer))
{
/* TODO: Show an image here... */
}
else
{
GetTabLivePreviewBitmap(iTabId,&tpi);
}
hDwmapi = LoadLibrary(_T("dwmapi.dll"));
if(hDwmapi != NULL)
{
DwmSetIconicLivePreviewBitmap = (DwmSetIconicLivePreviewBitmapProc)GetProcAddress(hDwmapi,"DwmSetIconicLivePreviewBitmap");
if(DwmSetIconicLivePreviewBitmap != NULL)
{
DwmSetIconicLivePreviewBitmap(hwnd,tpi.hbm,&tpi.ptOrigin,0);
}
}
FreeLibrary(hDwmapi);
if(tpi.hbm != NULL)
{
DeleteObject(tpi.hbm);
}
return 0;
}
break;
case WM_CLOSE:
{
TCITEM tcItem;
int nTabs;
int i = 0;
nTabs = TabCtrl_GetItemCount(m_hTabCtrl);
if(nTabs == 1)
{
/* If this is the last tab, we'll close
the whole application. */
SendMessage(m_hContainer,WM_CLOSE,0,0);
}
else
{
for(i = 0;i < nTabs;i++)
{
tcItem.mask = TCIF_PARAM;
TabCtrl_GetItem(m_hTabCtrl,i,&tcItem);
if((int)tcItem.lParam == iTabId)
{
/* Close the tab... */
CloseTab(i);
break;
}
}
}
}
break;
}
return DefWindowProc(hwnd,Msg,wParam,lParam);
}
