m_bgGC = (GdkGC *) NULL;
m_cmap = (GdkColormap *) NULL;
m_isMemDC = FALSE;
+ m_owner = (wxWindow *)NULL;
}
wxWindowDC::wxWindowDC( wxWindow *window )
m_textGC = (GdkGC *) NULL;
m_bgGC = (GdkGC *) NULL;
m_cmap = (GdkColormap *) NULL;
+ m_owner = (wxWindow *)NULL;
if (!window) return;
GtkWidget *widget = window->m_wxwindow;
m_isMemDC = FALSE;
SetUpDC();
+
+ /* this must be done after SetUpDC, bacause SetUpDC calls the
+ repective SetBrush, SetPen, SetBackground etc functions
+ to set up the DC. SetBackground call m_owner->SetBackground
+ and this might not be desired as the standard dc background
+ is white whereas a window might assume gray to be the
+ standard (as e.g. wxStatusBar) */
+ m_owner = window;
}
wxWindowDC::~wxWindowDC()
/* we use the "XCopyArea" way to copy a memory dc into
y different window if the memory dc BOTH
a) doesn't have any mask or its mask isn't used
- b) it is clipped.
- we HAVE TO use the direct way for memory dcs
- that have mask since the XCopyArea doesn't know
- about masks and we SHOULD use the direct way if
- all of the bitmap in the memory dc is copied in
- which case XCopyArea wouldn't be able able to
- boost performace by reducing the area to be scaled */
+ b) it is clipped
+ c) is not 1-bit */
- use_bitmap_method = ( (useMask && (memDC->m_selected.GetMask())) ||
- ((xsrc == 0) && (ysrc == 0) &&
- (width == memDC->m_selected.GetWidth()) &&
- (height == memDC->m_selected.GetHeight()) )
- );
+ if (useMask && (memDC->m_selected.GetMask()))
+ {
+ /* we HAVE TO use the direct way for memory dcs
+ that have mask since the XCopyArea doesn't know
+ about masks and */
+ use_bitmap_method = TRUE;
+ }
+ else if (memDC->m_selected.GetDepth() == 1)
+ {
+ /* we HAVE TO use the direct way for memory dcs
+ that are bitmaps because XCopyArea doesn't copy
+ with different bit depths */
+ use_bitmap_method = TRUE;
+ }
+ else if ((xsrc == 0) && (ysrc == 0) &&
+ (width == memDC->m_selected.GetWidth()) &&
+ (height == memDC->m_selected.GetHeight()))
+ {
+ /* we SHOULD use the direct way if all of the bitmap
+ in the memory dc is copied in which case XCopyArea
+ wouldn't be able able to boost performace by reducing
+ the area to be scaled */
+ use_bitmap_method = TRUE;
+ }
+ else
+ {
+ use_bitmap_method = FALSE;
+ }
}
CalcBoundingBox( xdest, ydest );
if ((bm_width != bm_ww) || (bm_height != bm_hh))
{
+ printf( "scaling.\n" );
+
wxImage image( memDC->m_selected );
image = image.Scale( bm_ww, bm_hh );
GdkPixmap *pm = use_bitmap.GetPixmap();
if (pm)
{
- gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, ww, hh );
+ gdk_draw_pixmap( m_window, m_penGC, pm, xsrc, ysrc, xx, yy, ww, hh );
}
else
{
GdkBitmap *bm = use_bitmap.GetBitmap();
if (bm)
{
- gdk_draw_bitmap( m_window, m_penGC, bm, 0, 0, xx, yy, ww, hh );
+ /* we use the textGC here because blitting a bitmap is done
+ using the current text colour */
+ gdk_draw_bitmap( m_window, m_textGC, bm, xsrc, ysrc, xx, yy, ww, hh );
}
}
x = XLOG2DEV(x);
y = YLOG2DEV(y);
- // CMB 21/5/98: draw text background if mode is wxSOLID
+ /* CMB 21/5/98: draw text background if mode is wxSOLID */
if (m_backgroundMode == wxSOLID)
{
long width = gdk_string_width( font, text );
}
gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text );
- // CMB 17/7/98: simple underline: ignores scaling and underlying
- // X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
- // properties (see wxXt implementation)
+ /* CMB 17/7/98: simple underline: ignores scaling and underlying
+ X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
+ properties (see wxXt implementation) */
if (m_font.GetUnderlined())
{
long width = gdk_string_width( font, text );
{
wxCHECK_RET( Ok(), "invalid window dc" );
- if (!m_isMemDC)
+ /* - we either are a memory dc or have a window as the
+ owner. anything else shouldn't happen.
+ - we don't use gdk_window_clear() as we don't set
+ the window's background colour anymore. it is too
+ much pain to keep the DC's and the window's back-
+ ground colour in synch. */
+
+ if (m_owner)
{
- gdk_window_clear( m_window );
+ int width,height;
+ m_owner->GetSize( &width, &height );
+ gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+ return;
}
- else
+
+ if (m_isMemDC)
{
int width,height;
GetSize( &width, &height );
gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+ return;
}
}
gdk_gc_set_fill( m_brushGC, fillStyle );
- if (m_brush.GetStyle() == wxSTIPPLE)
+ if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok()))
{
- gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+ if (m_brush.GetStipple()->GetPixmap())
+ gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+ else
+ gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetBitmap() );
}
if (IS_HATCH(m_brush.GetStyle()))
void wxWindowDC::SetBackground( const wxBrush &brush )
{
- // CMB 21/7/98: Added SetBackground. Sets background brush
- // for Clear() and bg colour for shapes filled with cross-hatch brush
+ /* CMB 21/7/98: Added SetBackground. Sets background brush
+ * for Clear() and bg colour for shapes filled with cross-hatch brush */
wxCHECK_RET( Ok(), "invalid window dc" );
GdkFill fillStyle = GDK_SOLID;
switch (m_backgroundBrush.GetStyle())
{
- case wxSOLID:
- case wxTRANSPARENT:
- break;
- default:
- fillStyle = GDK_STIPPLED;
+ case wxSOLID:
+ case wxTRANSPARENT:
+ break;
+ default:
+ fillStyle = GDK_STIPPLED;
}
gdk_gc_set_fill( m_bgGC, fillStyle );
{
int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
gdk_gc_set_stipple( m_bgGC, hatches[num] );
- }
+ }
}
void wxWindowDC::SetLogicalFunction( int function )
projects / wxWidgets.git / blobdiff