// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#if wxUSE_PRINTING_ARCHITECTURE
#include "wx/msw/private.h"
+#include "wx/msw/dib.h"
#include "wx/dcprint.h"
#include "math.h"
-#if wxUSE_COMMON_DIALOGS || defined(__WXWINE__)
+#if wxUSE_COMMON_DIALOGS
#include <commdlg.h>
#endif
#endif
// mingw32 defines GDI_ERROR incorrectly
-#ifdef __GNUWIN32__
+#if defined(__GNUWIN32__) || !defined(GDI_ERROR)
#undef GDI_ERROR
#define GDI_ERROR ((int)-1)
#endif
return ( deviceName != wxT("") );
}
-#if 0
-// This uses defaults, except for orientation, so we should eliminate this function
-// and use the 2nd form (passing wxPrintData) instead.
-WXHDC wxGetPrinterDC(int orientation)
-{
- HDC hDC;
- LPDEVMODE lpDevMode = NULL;
- LPDEVNAMES lpDevNames;
- LPSTR lpszDriverName;
- LPSTR lpszDeviceName;
- LPSTR lpszPortName;
-
- PRINTDLG pd;
- // __GNUWIN32__ has trouble believing PRINTDLG is 66 bytes - thinks it is 68
-#ifdef __GNUWIN32__
- pd.lStructSize = 66; // sizeof(PRINTDLG);
-#else
- pd.lStructSize = sizeof(PRINTDLG);
-#endif
- pd.hwndOwner = (HWND)NULL;
- pd.hDevMode = NULL; // Will be created by PrintDlg
- pd.hDevNames = NULL; // Ditto
- pd.Flags = PD_RETURNDEFAULT;
- pd.nCopies = 1;
-
- if (!PrintDlg((LPPRINTDLG)&pd))
- {
- if ( pd.hDevMode )
- GlobalFree(pd.hDevMode);
- if (pd.hDevNames)
- GlobalFree(pd.hDevNames);
-
- return(0);
- }
-
- if (!pd.hDevNames)
- {
- if ( pd.hDevMode )
- GlobalFree(pd.hDevMode);
- }
-
- lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
- lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset;
- lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset;
- lpszPortName = (LPSTR)lpDevNames + lpDevNames->wOutputOffset;
- GlobalUnlock(pd.hDevNames);
-
- if ( pd.hDevMode )
- {
- lpDevMode = (DEVMODE*) GlobalLock(pd.hDevMode);
- lpDevMode->dmOrientation = orientation;
- lpDevMode->dmFields |= DM_ORIENTATION;
- }
-
-#ifdef __WIN32__
- hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (DEVMODE *)lpDevMode);
-#else
- hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (LPSTR)lpDevMode);
-#endif
-
- if (pd.hDevMode && lpDevMode)
- GlobalUnlock(pd.hDevMode);
-
- if (pd.hDevNames)
- {
- GlobalFree(pd.hDevNames);
- pd.hDevNames=NULL;
- }
- if (pd.hDevMode)
- {
- GlobalFree(pd.hDevMode);
- pd.hDevMode=NULL;
- }
- return (WXHDC) hDC;
-}
-#endif // 0
-
// Gets an HDC for the specified printer configuration
WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst)
{
// wxPrinterDC bit blitting/bitmap drawing
// ----------------------------------------------------------------------------
-// Win16 doesn't define GDI_ERROR.
-#ifndef GDI_ERROR
-#define GDI_ERROR -1
-#endif
+// helper of DoDrawBitmap() and DoBlit()
+static
+bool DrawBitmapUsingStretchDIBits(HDC hdc,
+ const wxBitmap& bmp,
+ wxCoord x, wxCoord y)
+{
+ wxDIB dib(bmp);
+ if ( !dib.IsOk() )
+ return FALSE;
+
+ DIBSECTION ds;
+ if ( !::GetObject(dib.GetHandle(), sizeof(ds), &ds) )
+ {
+ wxLogLastError(_T("GetObject(DIBSECTION)"));
+
+ return FALSE;
+ }
+
+ // ok, we've got all data we need, do blit it
+ if ( ::StretchDIBits
+ (
+ hdc,
+ x, y,
+ ds.dsBmih.biWidth, ds.dsBmih.biHeight,
+ 0, 0,
+ ds.dsBmih.biWidth, ds.dsBmih.biHeight,
+ ds.dsBm.bmBits,
+ (LPBITMAPINFO)&ds.dsBmih,
+ DIB_RGB_COLORS,
+ SRCCOPY
+ ) == GDI_ERROR )
+ {
+ wxLogLastError(wxT("StretchDIBits"));
+
+ return FALSE;
+ }
-// Just in case we want to go back to using 8 bits for
-// any reason: set this to 0 for 8 bits.
-#define wxUSE_DRAWBITMAP_24BITS 1
+ return TRUE;
+}
-void wxPrinterDC::DoDrawBitmap(const wxBitmap &bmp,
+void wxPrinterDC::DoDrawBitmap(const wxBitmap& bmp,
wxCoord x, wxCoord y,
bool useMask)
{
int width = bmp.GetWidth(),
height = bmp.GetHeight();
- if ( ::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB )
- {
- BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) );
- memset( info, 0, sizeof( BITMAPINFOHEADER ) );
-
-#if wxUSE_DRAWBITMAP_24BITS
- int iBitsSize = ((width + 3 ) & ~3 ) * height * 3;
-#else
- int iBitsSize = ((width + 3 ) & ~3 ) * height ;
-#endif
-
- void* bits = malloc( iBitsSize );
-
- info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER );
- info->bmiHeader.biWidth = width;
- info->bmiHeader.biHeight = height;
- info->bmiHeader.biPlanes = 1;
-#if wxUSE_DRAWBITMAP_24BITS
- info->bmiHeader.biBitCount = 24;
-#else
- info->bmiHeader.biBitCount = 8;
-#endif
- info->bmiHeader.biCompression = BI_RGB;
-
- ScreenHDC display;
- if ( GetDIBits(display, GetHbitmapOf(bmp), 0,
- bmp.GetHeight(), bits, info,
- DIB_RGB_COLORS) )
- {
- if ( ::StretchDIBits(GetHdc(), x, y,
- width, height,
- 0 , 0, width, height,
- bits, info,
- DIB_RGB_COLORS, SRCCOPY) == GDI_ERROR )
- {
- wxLogLastError(wxT("StretchDIBits"));
- }
- }
-
- free(bits);
- free(info);
- }
- else // no support for StretchDIBits()
+ if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) ||
+ !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, x, y) )
{
+ // no support for StretchDIBits() or an error occured if we got here
wxMemoryDC memDC;
memDC.SelectObject(bmp);
int WXUNUSED(rop), bool useMask,
wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
{
- bool success = TRUE;
-
- if ( useMask )
+ wxBitmap& bmp = source->GetSelectedBitmap();
+ wxMask *mask = useMask ? bmp.GetMask() : NULL;
+ if ( mask )
{
- // If we are printing source colours are screen colours
- // not printer colours and so we need copy the bitmap
- // pixel by pixel.
+ // If we are printing source colours are screen colours not printer
+ // colours and so we need copy the bitmap pixel by pixel.
RECT rect;
- HDC dc_src = GetHdcOf(*source);
- HDC dc_mask = ::CreateCompatibleDC(dc_src);
+ HDC dcSrc = GetHdcOf(*source);
+ MemoryHDC dcMask(dcSrc);
+ SelectInHDC selectMask(dcMask, (HBITMAP)mask->GetMaskBitmap());
- ::SelectObject(dc_mask, (HBITMAP) source->GetSelectedBitmap().GetMask()->GetMaskBitmap());
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
- COLORREF cref = ::GetPixel(dc_mask, x, y);
+ COLORREF cref = ::GetPixel(dcMask, x, y);
if (cref)
{
- HBRUSH brush = ::CreateSolidBrush(::GetPixel(dc_src, x, y));
+ HBRUSH brush = ::CreateSolidBrush(::GetPixel(dcSrc, x, y));
rect.left = xdest + x;
rect.right = rect.left + 1;
rect.top = ydest + y;
}
}
}
- ::SelectObject(dc_mask, 0);
- ::DeleteDC(dc_mask);
}
else // no mask
{
- if ( ::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB )
+ if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) ||
+ !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, xdest, ydest) )
{
- wxBitmap& bmp = source->GetSelectedBitmap();
- int width = bmp.GetWidth(),
- height = bmp.GetHeight();
-
- BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) );
- int iBitsSize = ((width + 3 ) & ~3 ) * height;
-
- void* bits = malloc( iBitsSize );
-
- memset( info , 0 , sizeof( BITMAPINFOHEADER ) );
+ // no support for StretchDIBits
- info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER );
- info->bmiHeader.biWidth = width;
- info->bmiHeader.biHeight = height;
- info->bmiHeader.biPlanes = 1;
- info->bmiHeader.biBitCount = 8;
- info->bmiHeader.biCompression = BI_RGB;
-
- ScreenHDC display;
- if ( !::GetDIBits(display, GetHbitmapOf(bmp), 0,
- height, bits, info, DIB_RGB_COLORS) )
- {
- wxLogLastError(wxT("GetDIBits"));
-
- success = FALSE;
- }
-
- if ( success )
- {
- success = ::StretchDIBits(GetHdc(), xdest, ydest,
- width, height,
- xsrc, ysrc,
- width, height,
- bits, info ,
- DIB_RGB_COLORS,
- SRCCOPY) != GDI_ERROR;
- if ( !success )
- {
- wxLogLastError(wxT("StretchDIBits"));
- }
- }
-
- free(bits);
- free(info);
- }
- else // no support for StretchDIBits
- {
- // as we are printing, source colours are screen colours not printer
- // colours and so we need copy the bitmap pixel by pixel.
- HDC dc_src = GetHdcOf(*source);
+ // as we are printing, source colours are screen colours not
+ // printer colours and so we need copy the bitmap pixel by pixel.
+ HDC dcSrc = GetHdcOf(*source);
RECT rect;
for (int y = 0; y < height; y++)
{
- // This is Stefan Csomor's optimisation, where identical adjacent
- // pixels are drawn together.
+ // optimization: draw identical adjacent pixels together.
for (int x = 0; x < width; x++)
{
- COLORREF col = ::GetPixel(dc_src, x, y);
+ COLORREF col = ::GetPixel(dcSrc, x, y);
HBRUSH brush = ::CreateSolidBrush( col );
rect.left = xdest + x;
rect.top = ydest + y;
- while( (x + 1 < width) && (::GetPixel(dc_src, x + 1, y) == col ) )
+ while( (x + 1 < width) &&
+ (::GetPixel(dcSrc, x + 1, y) == col ) )
{
++x;
}
}
}
- return success;
+ return TRUE;
}
#endif
projects / wxWidgets.git / blobdiff