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Patch level : 2.0 nopatch

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Files correlati     : xvaga.dll
Ricompilazione Demo : [ ]
Commento            :

Corretta stampa Bitmap molto grandi in Win98


git-svn-id: svn://10.65.10.50/trunk@11597 c028cbd2-c16b-5b4b-a496-9718f37d4682
This commit is contained in:
cris 2003-11-14 16:41:16 +00:00
parent 8170c4aa45
commit f7b99b82f3
3 changed files with 58 additions and 46 deletions
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76
xvaga/oswin32.cpp
View File

@ -200,50 +200,52 @@ void OsWin32_UpdateWindow(unsigned int handle)
::UpdateWindow(hwnd); ::UpdateWindow(hwnd);
} }
void OsWin32_StretchBlt(unsigned int hDst, int xd, int yd, int wd, int hd,
unsigned int hSrc, int xs, int ys, int ws, int hs)
{
const int nColors = ::GetDeviceCaps((HDC)hDst, NUMCOLORS);
::SetStretchBltMode((HDC)hDst, nColors == 2 ? STRETCH_HALFTONE : STRETCH_DELETESCANS);
::StretchBlt((HDC)hDst, xd, yd, wd, hd, (HDC)hSrc, xs, ys, ws, hs, SRCCOPY);
}
/////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////
// Drawing bitmaps // Drawing bitmaps
/////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////
void OsWin32_DrawBitmap(unsigned int hBitmap, unsigned int hDC, bool OsWin32_DrawBitmap(const wxBitmap& bmp, wxDC& dc,
int xd, int yd, int wd, int hd, int xd, int yd, int wd, int hd,
int xs, int ys, int ws, int hs) int xs, int ys, int ws, int hs)
{ {
const int nTechno = ::GetDeviceCaps((HDC)hDC, TECHNOLOGY); HBITMAP hBMP = (HBITMAP)bmp.GetHBITMAP();
if (nTechno == DT_RASPRINTER) // Sto stampando! bool ok = hBMP != NULL;
{
BITMAPINFO bi; memset(&bi, 0, sizeof(bi)); if (ok)
BITMAPINFOHEADER& bih = bi.bmiHeader; {
bih.biSize = sizeof(bih); HDC hDC = (HDC)dc.GetHDC();
HDC hMemDC = ::CreateCompatibleDC(NULL); HDC hMemDC = ::CreateCompatibleDC((HDC)NULL);
GetDIBits(hMemDC, (HBITMAP)hBitmap, 0, 0, NULL, &bi, DIB_RGB_COLORS); const int nTechno = ::GetDeviceCaps(hDC, TECHNOLOGY);
if (bih.biSizeImage > 0) if (nTechno == DT_RASPRINTER) // Sto stampando!
{ {
LPBYTE bits = new BYTE[bih.biSizeImage]; BITMAPINFO* bi = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) );
::GetDIBits(hMemDC, (HBITMAP)hBitmap, 0, bih.biHeight, memset(bi, 0, sizeof( BITMAPINFOHEADER ) );
bits, &bi, DIB_RGB_COLORS); BITMAPINFOHEADER& bih = bi->bmiHeader;
::StretchDIBits((HDC)hDC, xd, yd, wd, hd, xs, ys, ws, hs,
bits, &bi, DIB_RGB_COLORS, SRCCOPY); bih.biSize = sizeof(bih);
delete bits; GetDIBits(hMemDC, hBMP, 0, bmp.GetHeight(), NULL, bi, DIB_RGB_COLORS);
} ok = bih.biSizeImage > 0;
::DeleteDC(hMemDC); if (ok)
} {
else LPBYTE bits = new BYTE[bih.biSizeImage];
{ ::GetDIBits(hMemDC, hBMP, 0, hs,
HDC hMemDC = ::CreateCompatibleDC((HDC)hDC); bits, bi, DIB_RGB_COLORS);
HGDIOBJ hOldBitmap = ::SelectObject(hMemDC, (HBITMAP)hBitmap); ::StretchDIBits((HDC)dc.GetHDC(), xd, yd, wd, hd, xs, 0, ws, hs,
::SetStretchBltMode((HDC)hDC, STRETCH_DELETESCANS); bits, bi, DIB_RGB_COLORS, SRCCOPY);
::StretchBlt((HDC)hDC, xd, yd, wd, hd, hMemDC, xs, ys, ws, hs, SRCCOPY); delete bits;
::SelectObject(hMemDC, hOldBitmap); }
::DeleteDC(hMemDC); free(bi);
} }
else
{
HGDIOBJ hOldBitmap = ::SelectObject(hMemDC, hBMP);
::SetStretchBltMode((HDC)hDC, STRETCH_DELETESCANS);
::StretchBlt((HDC)hDC, xd, yd, wd, hd, hMemDC, xs, ys, ws, hs, SRCCOPY);
::SelectObject(hMemDC, hOldBitmap);
}
::DeleteDC(hMemDC);
}
return ok;
} }
void OsWin32_DrawDottedRect(unsigned int hDC, int left, int top, int right, int bottom) void OsWin32_DrawDottedRect(unsigned int hDC, int left, int top, int right, int bottom)

4
xvaga/oswin32.h
View File

@ -2,7 +2,7 @@ void OsWin32_Beep(int severity);
bool OsWin32_CheckPrinterInfo(const void* data, unsigned int size); bool OsWin32_CheckPrinterInfo(const void* data, unsigned int size);
void* OsWin32_ConvertFromNativePrinterInfo(void* hGlobal, unsigned int& nSize); void* OsWin32_ConvertFromNativePrinterInfo(void* hGlobal, unsigned int& nSize);
void* OsWin32_ConvertToNativePrinterInfo(void* data, unsigned int nSize); void* OsWin32_ConvertToNativePrinterInfo(void* data, unsigned int nSize);
void OsWin32_DrawBitmap(unsigned int hBitmap, unsigned int hDC, bool OsWin32_DrawBitmap(const wxBitmap& bmp, wxDC& dc,
int xd, int yd, int wd, int hd, int xs, int ys, int ws, int hs); int xd, int yd, int wd, int hd, int xs, int ys, int ws, int hs);
void OsWin32_DrawDottedRect(unsigned int hDC, int left, int top, int right, int bottom); void OsWin32_DrawDottedRect(unsigned int hDC, int left, int top, int right, int bottom);
@ -15,8 +15,6 @@ int OsWin32_EnumerateSizes(unsigned int hDC, const char* name, long* sizes, shor
void OsWin32_SetCaptionStyle(unsigned int handle, bool set); void OsWin32_SetCaptionStyle(unsigned int handle, bool set);
void* OsWin32_GetPrinterInfo(int& size, const char* printer); void* OsWin32_GetPrinterInfo(int& size, const char* printer);
void OsWin32_SetClippingRect(unsigned int hDC, int x, int y, int w, int h); void OsWin32_SetClippingRect(unsigned int hDC, int x, int y, int w, int h);
void OsWin32_StretchBlt(unsigned int hDst, int xd, int yd, int wd, int hd,
unsigned int hSrc, int xs, int ys, int ws, int hs);
void OsWin32_PlaceProcessInWindow(unsigned int instance, const char* name, unsigned int parent); void OsWin32_PlaceProcessInWindow(unsigned int instance, const char* name, unsigned int parent);
void OsWin32_UpdateWindow(unsigned int handle); void OsWin32_UpdateWindow(unsigned int handle);

24
xvaga/xvaga.cpp
View File

@ -2041,12 +2041,24 @@ void xvt_dwin_draw_image(WINDOW win, XVT_IMAGE image, RCT* dest, RCT* source)
} }
else else
{ {
#ifdef WIN32 #ifdef WIN32
OsWin32_DrawBitmap(bmp.GetHBITMAP(), dc.GetHDC(), if (!OsWin32_DrawBitmap(bmp, dc,
dst.x, dst.y, dst.width, dst.height, dst.x, dst.y, dst.width, dst.height,
src.x, src.y, src.width, src.height); src.x, src.y, src.width, src.height))
{
const int k = 4;
bool ok = false;
for (int s = k-1; s > 0 && !ok; s--)
{
wxImage img = ((TXVT_IMAGE*)image)->Image().GetSubImage(src);
img.Rescale(s * src.width / k, s * src.height / k);
ok = OsWin32_DrawBitmap(img.ConvertToBitmap(), dc,
dst.x, dst.y, dst.width, dst.height,
0, 0, s*src.width/k, s*src.height/k);
}
}
#else #else
const wxImage& img = ((const TXVT_IMAGE*)image)->Image(); const wxImage& img = ((TXVT_IMAGE*)image)->Image());
wxImage sub = img.GetSubImage(src); wxImage sub = img.GetSubImage(src);
sub.Rescale(dst.width, dst.height); sub.Rescale(dst.width, dst.height);
@ -3673,7 +3685,7 @@ public:
wxThread::ExitCode TIconizeTaskThread::Entry() wxThread::ExitCode TIconizeTaskThread::Entry()
{ {
Sleep(500); Sleep(250);
if (__bChildRunning) // Il programma e' ancora attivo if (__bChildRunning) // Il programma e' ancora attivo
{ {
wxFrame* frame = (wxFrame*)_task_win; wxFrame* frame = (wxFrame*)_task_win;