#include "wx/dcclient.h"
#include "wx/dcmemory.h"
+#include "wx/image.h"
#include <math.h>
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
+
//-----------------------------------------------------------------------------
// local data
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxWindowDC,wxDC)
-wxWindowDC::wxWindowDC(void)
+wxWindowDC::wxWindowDC()
{
m_penGC = (GdkGC *) NULL;
m_brushGC = (GdkGC *) NULL;
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(void)
+wxWindowDC::~wxWindowDC()
{
Destroy();
}
void wxWindowDC::DrawLine( long x1, long y1, long x2, long y2 )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
if (m_pen.GetStyle() != wxTRANSPARENT)
{
gdk_draw_line( m_window, m_penGC,
XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
+
+ CalcBoundingBox(x1, y1);
+ CalcBoundingBox(x2, y2);
}
-
- CalcBoundingBox(x1, y1);
- CalcBoundingBox(x2, y2);
}
void wxWindowDC::CrossHair( long x, long y )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
if (m_pen.GetStyle() != wxTRANSPARENT)
{
void wxWindowDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
long xx1 = XLOG2DEV(x1);
long yy1 = YLOG2DEV(y1);
void wxWindowDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
void wxWindowDC::DrawPoint( long x, long y )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
if (m_pen.GetStyle() != wxTRANSPARENT)
gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
void wxWindowDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
if (m_pen.GetStyle() == wxTRANSPARENT) return;
if (n <= 0) return;
void wxWindowDC::DrawLines( wxList *points, long xoffset, long yoffset )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
if (m_pen.GetStyle() == wxTRANSPARENT) return;
void wxWindowDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
- if (!n) return;
+ if (n <= 0) return;
GdkPoint *gdkpoints = new GdkPoint[n+1];
int i;
void wxWindowDC::DrawPolygon( wxList *lines, long xoffset, long yoffset, int WXUNUSED(fillStyle))
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
int n = lines->Number();
- if (!n) return;
+ if (n <= 0) return;
GdkPoint *gdkpoints = new GdkPoint[n];
wxNode *node = lines->First();
void wxWindowDC::DrawRectangle( long x, long y, long width, long height )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
void wxWindowDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
void wxWindowDC::DrawEllipse( long x, long y, long width, long height )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
if (m_pen.GetStyle() != wxTRANSPARENT)
gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
- CalcBoundingBox( x, y );
+ CalcBoundingBox( x - width, y - height );
CalcBoundingBox( x + width, y + height );
}
-bool wxWindowDC::CanDrawBitmap(void) const
+bool wxWindowDC::CanDrawBitmap() const
{
- return TRUE;
+ return TRUE;
}
void wxWindowDC::DrawIcon( const wxIcon &icon, long x, long y )
{
- if (!Ok()) return;
+ DrawBitmap( icon, x, y, TRUE );
+}
+
+void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMask )
+{
+ wxCHECK_RET( Ok(), "invalid window dc" );
- if (!icon.Ok()) return;
+ if (!bitmap.Ok()) return;
+
+ /* scale/translate size and position */
int xx = XLOG2DEV(x);
int yy = YLOG2DEV(y);
- GdkBitmap *mask = (GdkBitmap *) NULL;
- if (icon.GetMask()) mask = icon.GetMask()->GetBitmap();
+ int w = bitmap.GetWidth();
+ int h = bitmap.GetHeight();
+
+ int ww = XLOG2DEVREL(w);
+ int hh = YLOG2DEVREL(h);
+
+ /* scale bitmap if required */
+
+ wxBitmap use_bitmap;
- if (mask)
+ if ((w != ww) || (h != hh))
{
- gdk_gc_set_clip_mask( m_penGC, mask );
- gdk_gc_set_clip_origin( m_penGC, xx, yy );
+ wxImage image( bitmap );
+ image = image.Scale( ww, hh );
+
+ use_bitmap = image.ConvertToBitmap();
}
-
- GdkPixmap *pm = icon.GetPixmap();
- gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
-
- if (mask)
+ else
{
- gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
- gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+ use_bitmap = bitmap;
}
- CalcBoundingBox( x, y );
- int width = icon.GetWidth();
- int height = icon.GetHeight();
- CalcBoundingBox( x + width, y + height );
-}
-
-void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMask )
-{
- if (!Ok()) return;
-
- if (!bitmap.Ok()) return;
-
- int xx = XLOG2DEV(x);
- int yy = YLOG2DEV(y);
-
+ /* apply mask if any */
+
GdkBitmap *mask = (GdkBitmap *) NULL;
- if (bitmap.GetMask()) mask = bitmap.GetMask()->GetBitmap();
+ if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
if (useMask && mask)
{
gdk_gc_set_clip_origin( m_penGC, xx, yy );
}
- GdkPixmap *pm = bitmap.GetPixmap();
- gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
-
+ /* draw XPixmap or XBitmap, depending on what the wxBitmap contains */
+
+ GdkPixmap *pm = use_bitmap.GetPixmap();
+ if (pm)
+ {
+ gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
+ }
+ else
+ {
+ GdkBitmap *bm = use_bitmap.GetBitmap();
+ if (bm)
+ {
+ gdk_draw_bitmap( m_window, m_penGC, bm, 0, 0, xx, yy, -1, -1 );
+ }
+ }
+
+ /* remove mask again if any */
+
if (useMask && mask)
{
gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
}
CalcBoundingBox( x, y );
- int width = bitmap.GetWidth();
- int height = bitmap.GetHeight();
- CalcBoundingBox( x + width, y + height );
+ CalcBoundingBox( x + w, y + h );
}
bool wxWindowDC::Blit( long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool useMask )
+ wxDC *source, long xsrc, long ysrc, int logical_func, bool useMask )
{
- if (!Ok()) return FALSE;
+ /* this is the nth try to get this utterly useless function to
+ work. it now completely ignores the scaling or translation
+ of the source dc, but scales correctly on the target dc and
+ knows about possible mask information in a memory dc. */
+
+ wxCHECK_MSG( Ok(), FALSE, "invalid window dc" );
+
+ wxCHECK_MSG( source, FALSE, "invalid source dc" );
+
+ wxClientDC *srcDC = (wxClientDC*)source;
+ wxMemoryDC *memDC = (wxMemoryDC*)source;
+
+ bool use_bitmap_method = FALSE;
+
+ if (srcDC->m_isMemDC)
+ {
+ if (!memDC->m_selected.Ok()) return FALSE;
+
+ /* 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
+ c) is not 1-bit */
+
+ 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 );
CalcBoundingBox( xdest + width, ydest + height );
- wxClientDC *csrc = (wxClientDC*)source;
-
- if (csrc->m_isMemDC)
+ int old_logical_func = m_logicalFunction;
+ SetLogicalFunction( logical_func );
+
+ if (use_bitmap_method)
{
- wxMemoryDC* srcDC = (wxMemoryDC*)source;
- GdkPixmap* pmap = srcDC->m_selected.GetPixmap();
- if (pmap)
+ /* scale/translate bitmap size */
+
+ long bm_width = memDC->m_selected.GetWidth();
+ long bm_height = memDC->m_selected.GetHeight();
+
+ long bm_ww = XLOG2DEVREL( bm_width );
+ long bm_hh = YLOG2DEVREL( bm_height );
+
+ /* scale bitmap if required */
+
+ wxBitmap use_bitmap;
+
+ if ((bm_width != bm_ww) || (bm_height != bm_hh))
+ {
+ printf( "scaling.\n" );
+
+ wxImage image( memDC->m_selected );
+ image = image.Scale( bm_ww, bm_hh );
+
+ use_bitmap = image.ConvertToBitmap();
+ }
+ else
{
- long xx = XLOG2DEV(xdest);
- long yy = YLOG2DEV(ydest);
+ use_bitmap = memDC->m_selected;
+ }
+
+ /* scale/translate size and position */
+
+ long xx = XLOG2DEV(xdest);
+ long yy = YLOG2DEV(ydest);
+
+ long ww = XLOG2DEVREL(width);
+ long hh = YLOG2DEVREL(height);
+
+ /* apply mask if any */
- GdkBitmap *mask = (GdkBitmap *) NULL;
- if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
+ GdkBitmap *mask = (GdkBitmap *) NULL;
+ if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
- if (useMask && mask)
- {
- gdk_gc_set_clip_mask( m_textGC, mask );
- gdk_gc_set_clip_origin( m_textGC, xx, yy );
- }
-
- gdk_draw_pixmap( m_window, m_textGC, pmap,
- source->DeviceToLogicalX(xsrc),
- source->DeviceToLogicalY(ysrc),
- xx,
- yy,
- source->DeviceToLogicalXRel(width),
- source->DeviceToLogicalYRel(height) );
-
- if (useMask && mask)
- {
- gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
- gdk_gc_set_clip_origin( m_textGC, 0, 0 );
- }
-
- return TRUE;
+ if (useMask && mask)
+ {
+ gdk_gc_set_clip_mask( m_penGC, mask );
+ gdk_gc_set_clip_origin( m_penGC, xx, yy );
}
- GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
- if (bmap)
+ /* draw XPixmap or XBitmap, depending on what the wxBitmap contains */
+
+ GdkPixmap *pm = use_bitmap.GetPixmap();
+ if (pm)
{
- long xx = XLOG2DEV(xdest);
- long yy = YLOG2DEV(ydest);
+ gdk_draw_pixmap( m_window, m_penGC, pm, xsrc, ysrc, xx, yy, ww, hh );
+ }
+ else
+ {
+ GdkBitmap *bm = use_bitmap.GetBitmap();
+ if (bm)
+ {
+ /* 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 );
+ }
+ }
- GdkBitmap *mask = (GdkBitmap *) NULL;
- if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
+ /* remove mask again if any */
- if (useMask && mask)
- {
- gdk_gc_set_clip_mask( m_textGC, mask );
- gdk_gc_set_clip_origin( m_textGC, xx, yy );
- }
-
- gdk_draw_bitmap( m_window, m_textGC, bmap,
- source->DeviceToLogicalX(xsrc),
- source->DeviceToLogicalY(ysrc),
- xx,
- yy,
- source->DeviceToLogicalXRel(width),
- source->DeviceToLogicalYRel(height) );
-
- if (useMask && mask)
- {
- gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
- gdk_gc_set_clip_origin( m_textGC, 0, 0 );
- }
-
- return TRUE;
+ if (useMask && mask)
+ {
+ gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_penGC, 0, 0 );
}
}
+ else /* use_bitmap_method */
+ {
+ /* scale/translate size and position */
+
+ long xx = XLOG2DEV(xdest);
+ long yy = YLOG2DEV(ydest);
+
+ long ww = XLOG2DEVREL(width);
+ long hh = YLOG2DEVREL(height);
+
+ if ((width != ww) || (height != hh))
+ {
+ /* draw source window into a bitmap as we cannot scale
+ a window in contrast to a bitmap. this would actually
+ work with memory dcs as well, but we'd lose the mask
+ information and waste one step in this process since
+ a memory already has a bitmap. all this is slightly
+ inefficient as we could take an XImage directly from
+ an X window, but we'd then also have to care that
+ the window is not outside the screen (in which case
+ we'd get a BadMatch or what not).
+ Is a double XGetImage and combined XGetPixel and
+ XPutPixel really faster? I'm not sure. look at wxXt
+ for a different implementation of the same problem. */
+
+ wxBitmap bitmap( width, height );
+ gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0,
+ srcDC->GetWindow(),
+ xsrc, ysrc, width, height );
+
+ /* scale image */
+
+ wxImage image( bitmap );
+ image = image.Scale( ww, hh );
+
+ /* convert to bitmap */
+
+ bitmap = image.ConvertToBitmap();
+
+ /* draw scaled bitmap */
+
+ gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+
+ }
+ else
+ {
+ /* no scaling and not a memory dc with a mask either */
+
+ gdk_window_copy_area( m_window, m_penGC, xx, yy,
+ srcDC->GetWindow(),
+ xsrc, ysrc, width, height );
+ }
+ }
- gdk_window_copy_area ( m_window, m_textGC,
- XLOG2DEV(xdest), YLOG2DEV(ydest),
- csrc->GetWindow(),
- source->DeviceToLogicalX(xsrc),
- source->DeviceToLogicalY(ysrc),
- source->DeviceToLogicalXRel(width),
- source->DeviceToLogicalYRel(height) );
-
-/*
- gdk_window_copy_area ( m_window, m_textGC,
- XLOG2DEV(xdest), YLOG2DEV(ydest),
- csrc->GetWindow(),
- xsrc, ysrc,
- width, height );
-*/
-
- return TRUE;
+ SetLogicalFunction( old_logical_func );
+ return TRUE;
}
void wxWindowDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(use16) )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
GdkFont *font = m_font.GetInternalFont( m_scaleY );
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 );
CalcBoundingBox (x, y);
}
-bool wxWindowDC::CanGetTextExtent(void) const
+bool wxWindowDC::CanGetTextExtent() const
{
return TRUE;
}
long *descent, long *externalLeading,
wxFont *theFont, bool WXUNUSED(use16) )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
wxFont fontToUse = m_font;
if (theFont) fontToUse = *theFont;
if (externalLeading) (*externalLeading) = 0; // ??
}
-long wxWindowDC::GetCharWidth(void)
+long wxWindowDC::GetCharWidth()
{
- if (!Ok()) return 0;
+ wxCHECK_MSG( Ok(), 0, "invalid window dc" );
GdkFont *font = m_font.GetInternalFont( m_scaleY );
return long(gdk_string_width( font, "H" ) / m_scaleX);
}
-long wxWindowDC::GetCharHeight(void)
+long wxWindowDC::GetCharHeight()
{
- if (!Ok()) return 0;
+ wxCHECK_MSG( Ok(), 0, "invalid window dc" );
GdkFont *font = m_font.GetInternalFont( m_scaleY );
return long((font->ascent + font->descent) / m_scaleY);
}
-void wxWindowDC::Clear(void)
+void wxWindowDC::Clear()
{
- if (!Ok()) return;
+ 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;
}
}
void wxWindowDC::SetFont( const wxFont &font )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
m_font = font;
}
void wxWindowDC::SetPen( const wxPen &pen )
{
- if (!Ok()) return;
-
+ wxCHECK_RET( Ok(), "invalid window dc" );
+
if (m_pen == pen) return;
m_pen = pen;
void wxWindowDC::SetBrush( const wxBrush &brush )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
if (m_brush == brush) 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()))
}
}
-// CMB 21/7/98: Added SetBackground. Sets background brush
-// for Clear() and bg colour for shapes filled with cross-hatch brush
void wxWindowDC::SetBackground( const wxBrush &brush )
{
- if (!Ok()) return;
+ /* 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" );
if (m_backgroundBrush == brush) return;
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 )
{
+ wxCHECK_RET( Ok(), "invalid window dc" );
+
if (m_logicalFunction == function) return;
+
GdkFunction mode = GDK_COPY;
switch (function)
{
case wxINVERT: mode = GDK_INVERT; break;
default: break;
}
+
m_logicalFunction = function;
gdk_gc_set_function( m_penGC, mode );
gdk_gc_set_function( m_brushGC, mode );
void wxWindowDC::SetTextForeground( const wxColour &col )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
if (m_textForegroundColour == col) return;
void wxWindowDC::SetTextBackground( const wxColour &col )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), "invalid window dc" );
if (m_textBackgroundColour == col) return;
void wxWindowDC::SetBackgroundMode( int mode )
{
+ wxCHECK_RET( Ok(), "invalid window dc" );
+
m_backgroundMode = mode;
// CMB 21/7/98: fill style of cross-hatch brushes is affected by
// transparent/solid background mode
+
if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
{
gdk_gc_set_fill( m_brushGC,
void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) )
{
+ wxFAIL_MSG( "wxWindowDC::SetPalette not implemented" );
}
void wxWindowDC::SetClippingRegion( long x, long y, long width, long height )
{
+ wxCHECK_RET( Ok(), "invalid window dc" );
+
wxDC::SetClippingRegion( x, y, width, height );
GdkRectangle rect;
void wxWindowDC::SetClippingRegion( const wxRegion ®ion )
{
+ wxCHECK_RET( Ok(), "invalid window dc" );
+
if (region.Empty())
{
DestroyClippingRegion();
gdk_gc_set_clip_region( m_bgGC, region.GetRegion() );
}
-void wxWindowDC::DestroyClippingRegion(void)
+void wxWindowDC::DestroyClippingRegion()
{
+ wxCHECK_RET( Ok(), "invalid window dc" );
+
wxDC::DestroyClippingRegion();
gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
}
-void wxWindowDC::SetUpDC(void)
+void wxWindowDC::SetUpDC()
{
Destroy();
m_ok = TRUE;
}
}
-void wxWindowDC::Destroy(void)
+void wxWindowDC::Destroy()
{
if (m_penGC) gdk_gc_unref( m_penGC );
m_penGC = (GdkGC*) NULL;
m_bgGC = (GdkGC*) NULL;
}
-GdkWindow *wxWindowDC::GetWindow(void)
+GdkWindow *wxWindowDC::GetWindow()
{
return m_window;
}
void wx_quadratic_spline(double a1, double b1, double a2, double b2,
double a3, double b3, double a4, double b4);
-void wx_clear_stack(void);
+void wx_clear_stack();
int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3,
double *y3, double *x4, double *y4);
void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3,
static Stack *wx_stack_top;
static int wx_stack_count;
-void wx_clear_stack(void)
+void wx_clear_stack()
{
wx_stack_top = wx_spline_stack;
wx_stack_count = 0;
void wxWindowDC::DrawSpline( wxList *points )
{
+ wxCHECK_RET( Ok(), "invalid window dc" );
+
wxPoint *p;
double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
double x1, y1, x2, y2;
IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxWindowDC)
-wxPaintDC::wxPaintDC(void)
+wxPaintDC::wxPaintDC()
: wxWindowDC()
{
}
IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC)
-wxClientDC::wxClientDC(void)
+wxClientDC::wxClientDC()
: wxWindowDC()
{
}
projects / wxWidgets.git / blobdiff