// Author: Robert Roebling
// RCS-ID: $Id$
// Copyright: (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#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
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// temporary implementation of the missing GDK function
//-----------------------------------------------------------------------------
+
#include "gdk/gdkprivate.h"
-void gdk_draw_bitmap (GdkDrawable *drawable,
- GdkGC *gc,
- GdkDrawable *src,
- gint xsrc,
- gint ysrc,
- gint xdest,
- gint ydest,
- gint width,
- gint height)
+
+void gdk_draw_bitmap (GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkDrawable *src,
+ gint xsrc,
+ gint ysrc,
+ gint xdest,
+ gint ydest,
+ gint width,
+ gint height)
{
GdkWindowPrivate *drawable_private;
GdkWindowPrivate *src_private;
src_private = (GdkWindowPrivate*) src;
if (drawable_private->destroyed || src_private->destroyed)
return;
-
+
gc_private = (GdkGCPrivate*) gc;
if (width == -1) width = src_private->width;
if (height == -1) height = src_private->height;
XCopyPlane( drawable_private->xdisplay,
- src_private->xwindow,
- drawable_private->xwindow,
- gc_private->xgc,
- xsrc, ysrc,
- width, height,
- xdest, ydest,
- 1 );
+ src_private->xwindow,
+ drawable_private->xwindow,
+ gc_private->xgc,
+ xsrc, ysrc,
+ width, height,
+ xdest, ydest,
+ 1 );
}
//-----------------------------------------------------------------------------
// wxWindowDC
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxWindowDC,wxDC)
+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;
+ m_isMemDC = FALSE;
- if (!window) return;
+ wxASSERT_MSG( window, _T("DC needs a window") );
+
GtkWidget *widget = window->m_wxwindow;
- if (!widget) return;
+
+ wxASSERT_MSG( widget, _T("DC needs a widget") );
+
m_window = widget->window;
- if (!m_window) return;
+
+ /* not realized ? */
+ if (!m_window)
+ {
+ /* don't report problems */
+ m_ok = TRUE;
+
+ return;
+ }
+
if (window->m_wxwindow)
m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
else
m_cmap = gtk_widget_get_colormap( window->m_widget );
-
- 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) */
- wxRegion update = window->GetUpdateRegion();
- if (update.Empty()) return;
-
- gdk_gc_set_clip_region( m_penGC, update.GetRegion() );
- gdk_gc_set_clip_region( m_brushGC, update.GetRegion() );
- gdk_gc_set_clip_region( m_textGC, update.GetRegion() );
- gdk_gc_set_clip_region( m_bgGC, update.GetRegion() );
+ m_owner = window;
}
-wxWindowDC::~wxWindowDC(void)
+wxWindowDC::~wxWindowDC()
{
Destroy();
}
-void wxWindowDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1),
- wxColour *WXUNUSED(col), int WXUNUSED(style) )
+void wxWindowDC::DoFloodFill( long WXUNUSED(x), long WXUNUSED(y),
+ const wxColour &WXUNUSED(col), int WXUNUSED(style) )
{
- wxFAIL_MSG( "wxWindowDC::FloodFill not implemented" );
+ wxFAIL_MSG( _T("wxWindowDC::DoFloodFill not implemented") );
}
-bool wxWindowDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
+bool wxWindowDC::DoGetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
{
- wxFAIL_MSG( "wxWindowDC::GetPixel not implemented" );
+ wxFAIL_MSG( _T("wxWindowDC::DoGetPixel not implemented") );
return FALSE;
}
-void wxWindowDC::DrawLine( long x1, long y1, long x2, long y2 )
+void wxWindowDC::DoDrawLine( long x1, long y1, long x2, long y2 )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (m_pen.GetStyle() != wxTRANSPARENT)
{
- gdk_draw_line( m_window, m_penGC,
- XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
+ if (m_window)
+ 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 )
+void wxWindowDC::DoCrossHair( long x, long y )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (m_pen.GetStyle() != wxTRANSPARENT)
{
GetSize( &w, &h );
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
- gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
- gdk_draw_line( m_window, m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
+ if (m_window)
+ {
+ gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
+ gdk_draw_line( m_window, m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
+ }
}
}
-void wxWindowDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
+void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2,
+ long xc, long yc )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
long xx1 = XLOG2DEV(x1);
long yy1 = YLOG2DEV(y1);
long xx2 = XLOG2DEV(x2);
long yy2 = YLOG2DEV(y2);
- long xxc = XLOG2DEV((long)xc);
- long yyc = YLOG2DEV((long)yc);
+ long xxc = XLOG2DEV(xc);
+ long yyc = YLOG2DEV(yc);
double dx = xx1 - xxc;
double dy = yy1 - yyc;
double radius = sqrt(dx*dx+dy*dy);
else
{
radius1 = (xx1 - xxc == 0) ?
- (yy1 - yyc < 0) ? 90.0 : -90.0 :
- -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
+ (yy1 - yyc < 0) ? 90.0 : -90.0 :
+ -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
radius2 = (xx2 - xxc == 0) ?
- (yy2 - yyc < 0) ? 90.0 : -90.0 :
- -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
+ (yy2 - yyc < 0) ? 90.0 : -90.0 :
+ -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
}
long alpha1 = long(radius1 * 64.0);
long alpha2 = long((radius2 - radius1) * 64.0);
while (alpha2 <= 0) alpha2 += 360*64;
while (alpha1 > 360*64) alpha1 -= 360*64;
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ if (m_window)
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ }
CalcBoundingBox (x1, y1);
CalcBoundingBox (x2, y2);
}
-void wxWindowDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
+void wxWindowDC::DoDrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
if (ww < 0) { ww = -ww; xx = xx - ww; }
if (hh < 0) { hh = -hh; yy = yy - hh; }
- long start = long(sa * 64.0);
- long end = long(ea * 64.0);
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+ if (m_window)
+ {
+ long start = long(sa * 64.0);
+ long end = long(ea * 64.0);
+
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
-
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
+ }
+
CalcBoundingBox (x, y);
CalcBoundingBox (x + width, y + height);
}
-void wxWindowDC::DrawPoint( long x, long y )
+void wxWindowDC::DoDrawPoint( long x, long y )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
- if (m_pen.GetStyle() != wxTRANSPARENT)
+ if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
-
+
CalcBoundingBox (x, y);
}
-void wxWindowDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
+void wxWindowDC::DoDrawLines( int n, wxPoint points[], long xoffset, long yoffset )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (m_pen.GetStyle() == wxTRANSPARENT) return;
if (n <= 0) return;
long x2 = XLOG2DEV(points[i+1].x + xoffset);
long y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste
long y2 = YLOG2DEV(points[i+1].y + yoffset);
- gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
-
+ if (m_window)
+ gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
+
CalcBoundingBox( points[i+1].x + xoffset, points[i+1].y + yoffset );
}
}
-void wxWindowDC::DrawLines( wxList *points, long xoffset, long yoffset )
+void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
- if (m_pen.GetStyle() == wxTRANSPARENT) return;
-
- wxNode *node = points->First();
- if (!node) return;
-
- wxPoint *pt = (wxPoint*)node->Data();
- CalcBoundingBox( pt->x + xoffset, pt->y + yoffset );
-
- while (node->Next())
- {
- wxPoint *point = (wxPoint*)node->Data();
- wxPoint *npoint = (wxPoint*)node->Next()->Data();
- long x1 = XLOG2DEV(point->x + xoffset);
- long x2 = XLOG2DEV(npoint->x + xoffset);
- long y1 = YLOG2DEV(point->y + yoffset); // and a waste again...
- long y2 = YLOG2DEV(npoint->y + yoffset);
- gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
- node = node->Next();
-
- CalcBoundingBox( npoint->x + xoffset, npoint->y + yoffset );
- }
-}
-
-void wxWindowDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
-{
- if (!Ok()) return;
-
- if (!n) return;
+ if (n <= 0) return;
GdkPoint *gdkpoints = new GdkPoint[n+1];
int i;
{
gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset);
gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset);
-
+
CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset );
}
// To do: Fillstyle
- if (m_pen.GetStyle() != wxTRANSPARENT)
- for (i = 0 ; i < n ; i++)
- {
- gdk_draw_line( m_window, m_penGC,
- gdkpoints[i%n].x,
- gdkpoints[i%n].y,
- gdkpoints[(i+1)%n].x,
- gdkpoints[(i+1)%n].y);
- }
-
- delete[] gdkpoints;
-}
-
-void wxWindowDC::DrawPolygon( wxList *lines, long xoffset, long yoffset, int WXUNUSED(fillStyle))
-{
- if (!Ok()) return;
-
- int n = lines->Number();
- if (!n) return;
-
- GdkPoint *gdkpoints = new GdkPoint[n];
- wxNode *node = lines->First();
- int cnt = 0;
- while (node)
- {
- wxPoint *p = (wxPoint *) node->Data();
- gdkpoints[cnt].x = XLOG2DEV(p->x + xoffset);
- gdkpoints[cnt].y = YLOG2DEV(p->y + yoffset);
- node = node->Next();
- cnt++;
-
- CalcBoundingBox( p->x + xoffset, p->y + yoffset );
- }
-
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
-
- // To do: Fillstyle
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
+ if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
{
- int i;
for (i = 0 ; i < n ; i++)
- {
- gdk_draw_line( m_window, m_penGC,
- gdkpoints[i%n].x,
- gdkpoints[i%n].y,
- gdkpoints[(i+1)%n].x,
- gdkpoints[(i+1)%n].y );
+ {
+ gdk_draw_line( m_window, m_penGC,
+ gdkpoints[i%n].x,
+ gdkpoints[i%n].y,
+ gdkpoints[(i+1)%n].x,
+ gdkpoints[(i+1)%n].y);
}
}
+
delete[] gdkpoints;
}
-void wxWindowDC::DrawRectangle( long x, long y, long width, long height )
+void wxWindowDC::DoDrawRectangle( long x, long y, long width, long height )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
if (ww < 0) { ww = -ww; xx = xx - ww; }
if (hh < 0) { hh = -hh; yy = yy - hh; }
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+ if (m_window)
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+ }
CalcBoundingBox( x, y );
CalcBoundingBox( x + width, y + height );
}
-void wxWindowDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
+void wxWindowDC::DoDrawRoundedRectangle( long x, long y, long width, long height, double radius )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
hh--;
}
- // CMB: ensure dd is not larger than rectangle otherwise we
- // get an hour glass shape
- long dd = 2 * rr;
- if (dd > ww) dd = ww;
- if (dd > hh) dd = hh;
- rr = dd / 2;
-
- if (m_brush.GetStyle() != wxTRANSPARENT)
+ if (m_window)
{
- gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
- gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
- }
+ // CMB: ensure dd is not larger than rectangle otherwise we
+ // get an hour glass shape
+ long dd = 2 * rr;
+ if (dd > ww) dd = ww;
+ if (dd > hh) dd = hh;
+ rr = dd / 2;
+
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ }
- if (m_pen.GetStyle() != wxTRANSPARENT)
- {
- gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
- gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
- gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
- gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
+ gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
+ gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
+ gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ }
}
// this ignores the radius
CalcBoundingBox( x + width, y + height );
}
-void wxWindowDC::DrawEllipse( long x, long y, long width, long height )
+void wxWindowDC::DoDrawEllipse( long x, long y, long width, long height )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
if (ww < 0) { ww = -ww; xx = xx - ww; }
if (hh < 0) { hh = -hh; yy = yy - hh; }
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ if (m_window)
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
-
- CalcBoundingBox( x, y );
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
+ }
+
+ CalcBoundingBox( x - width, y - height );
CalcBoundingBox( x + width, y + height );
}
-bool wxWindowDC::CanDrawBitmap(void) const
+void wxWindowDC::DoDrawIcon( const wxIcon &icon, long x, long y )
{
- return TRUE;
+ // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
+ DoDrawBitmap( (const wxBitmap&)icon, x, y, (bool)TRUE );
}
-void wxWindowDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask )
+void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
+ long x, long y,
+ bool useMask )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
- if (!icon.Ok()) return;
+ wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") );
+
+ /* scale/translate size and position */
int xx = XLOG2DEV(x);
int yy = YLOG2DEV(y);
+ int w = bitmap.GetWidth();
+ int h = bitmap.GetHeight();
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + w, y + h );
+
+ if (!m_window) return;
+
+ int ww = XLOG2DEVREL(w);
+ int hh = YLOG2DEVREL(h);
+
+ /* scale bitmap if required */
+
+ wxBitmap use_bitmap;
+
+ if ((w != ww) || (h != hh))
+ {
+ wxImage image( bitmap );
+ image = image.Scale( ww, hh );
+
+ use_bitmap = image.ConvertToBitmap();
+ }
+ else
+ {
+ use_bitmap = bitmap;
+ }
+
+ /* apply mask if any */
+
GdkBitmap *mask = (GdkBitmap *) NULL;
- if (icon.GetMask()) mask = icon.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 = icon.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 );
gdk_gc_set_clip_origin( m_penGC, 0, 0 );
}
-
- CalcBoundingBox( x, y );
- int width = icon.GetWidth();
- int height = icon.GetHeight();
- CalcBoundingBox( x + width, y + height );
}
-bool wxWindowDC::Blit( long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool useMask )
+bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height,
+ 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, _T("invalid window dc") );
- CalcBoundingBox( xdest, ydest );
- CalcBoundingBox( xdest + width, ydest + height );
+ wxCHECK_MSG( source, FALSE, _T("invalid source dc") );
+
+ if (!m_window) return FALSE;
- wxClientDC *csrc = (wxClientDC*)source;
+ wxClientDC *srcDC = (wxClientDC*)source;
+ wxMemoryDC *memDC = (wxMemoryDC*)source;
- if (csrc->m_isMemDC)
+ bool use_bitmap_method = FALSE;
+
+ if (srcDC->m_isMemDC)
{
- wxMemoryDC* srcDC = (wxMemoryDC*)source;
- GdkPixmap* pmap = srcDC->m_selected.GetPixmap();
- if (pmap)
+ 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 */
+ 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 cope
+ 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
{
- long xx = XLOG2DEV(xdest);
- long yy = YLOG2DEV(ydest);
+ use_bitmap_method = FALSE;
+ }
+ }
- GdkBitmap *mask = (GdkBitmap *) NULL;
- if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
+ CalcBoundingBox( xdest, ydest );
+ CalcBoundingBox( xdest + width, ydest + height );
- 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;
+ int old_logical_func = m_logicalFunction;
+ SetLogicalFunction( logical_func );
+
+ if (use_bitmap_method)
+ {
+ /* 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))
+ {
+ wxImage image( memDC->m_selected );
+ image = image.Scale( bm_ww, bm_hh );
+
+ use_bitmap = image.ConvertToBitmap();
}
-
- GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
- if (bmap)
+ 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 (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
- GdkBitmap *mask = (GdkBitmap *) NULL;
- if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
+ if (useMask && mask)
+ {
+ gdk_gc_set_clip_mask( m_penGC, mask );
+ gdk_gc_set_clip_origin( m_penGC, xx, yy );
+ }
+
+ /* draw XPixmap or XBitmap, depending on what the wxBitmap contains */
- if (useMask && mask)
+ GdkPixmap *pm = use_bitmap.GetPixmap();
+ if (pm)
+ {
+ gdk_draw_pixmap( m_window, m_penGC, pm, xsrc, ysrc, xx, yy, ww, hh );
+ }
+ else
+ {
+ GdkBitmap *bm = use_bitmap.GetBitmap();
+ if (bm)
{
- gdk_gc_set_clip_mask( m_textGC, mask );
- gdk_gc_set_clip_origin( m_textGC, xx, yy );
+ /* 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 );
}
+ }
+
+ /* remove mask again if any */
+
+ 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 */
- 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;
+ 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) )
+void wxWindowDC::DoDrawText( const wxString &text, long x, long y )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
+ if (!m_window) return;
+
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 );
+ long width = gdk_string_width( font, text.mbc_str() );
long height = font->ascent + font->descent;
gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
}
- gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text );
+ gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text.mbc_str() );
- // 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 );
+ long width = gdk_string_width( font, text.mbc_str() );
long ul_y = y + font->ascent;
if (font->descent > 0) ul_y++;
gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
CalcBoundingBox (x, y);
}
-bool wxWindowDC::CanGetTextExtent(void) const
-{
- return TRUE;
-}
-
void wxWindowDC::GetTextExtent( const wxString &string, long *width, long *height,
- long *descent, long *externalLeading,
- wxFont *theFont, bool WXUNUSED(use16) )
+ long *descent, long *externalLeading,
+ wxFont *theFont ) const
{
- if (!Ok()) return;
-
wxFont fontToUse = m_font;
if (theFont) fontToUse = *theFont;
GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
- if (width) (*width) = long(gdk_string_width( font, string ) / m_scaleX);
+ if (width) (*width) = long(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
if (height) (*height) = long((font->ascent + font->descent) / m_scaleY);
if (descent) (*descent) = long(font->descent / m_scaleY);
if (externalLeading) (*externalLeading) = 0; // ??
}
-long wxWindowDC::GetCharWidth(void)
+long wxWindowDC::GetCharWidth() const
{
- if (!Ok()) return 0;
-
GdkFont *font = m_font.GetInternalFont( m_scaleY );
return long(gdk_string_width( font, "H" ) / m_scaleX);
}
-long wxWindowDC::GetCharHeight(void)
+long wxWindowDC::GetCharHeight() const
{
- if (!Ok()) return 0;
-
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(), _T("invalid window dc") );
- if (!m_isMemDC)
+ if (!m_window) return;
+
+ /* - 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;
-
m_font = font;
}
void wxWindowDC::SetPen( const wxPen &pen )
{
- if (!Ok()) return;
-
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
+
if (m_pen == pen) return;
m_pen = pen;
if (!m_pen.Ok()) return;
+ if (!m_window) return;
+
gint width = m_pen.GetWidth();
// CMB: if width is non-zero scale it with the dc
if (width <= 0)
void wxWindowDC::SetBrush( const wxBrush &brush )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (m_brush == brush) return;
if (!m_brush.Ok()) return;
+ if (!m_window) return;
+
m_brush.GetColour().CalcPixel( m_cmap );
gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
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(), _T("invalid window dc") );
if (m_backgroundBrush == brush) return;
if (!m_backgroundBrush.Ok()) return;
+ if (!m_window) return;
+
m_backgroundBrush.GetColour().CalcPixel( m_cmap );
gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
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(), _T("invalid window dc") );
+
if (m_logicalFunction == function) return;
+
GdkFunction mode = GDK_COPY;
switch (function)
{
- case wxXOR: mode = GDK_INVERT; break;
- case wxINVERT: mode = GDK_INVERT; break;
- default: break;
+ case wxXOR: mode = GDK_XOR; break;
+ case wxINVERT: mode = GDK_INVERT; break;
+#if (GTK_MINOR_VERSION > 0)
+ case wxOR_REVERSE: mode = GDK_OR_REVERSE; break;
+ case wxAND_REVERSE: mode = GDK_AND_REVERSE; break;
+ case wxCLEAR: mode = GDK_CLEAR; break;
+ case wxSET: mode = GDK_SET; break;
+ case wxOR_INVERT: mode = GDK_OR_INVERT; break;
+ case wxSRC_AND:
+ case wxAND: mode = GDK_AND; break;
+ case wxSRC_OR:
+ case wxOR: mode = GDK_OR; break;
+ case wxEQUIV: mode = GDK_EQUIV; break;
+ case wxNAND: mode = GDK_NAND; break;
+ case wxAND_INVERT: mode = GDK_AND_INVERT; break;
+ case wxCOPY: mode = GDK_COPY; break;
+ case wxNO_OP: mode = GDK_NOOP; break;
+ case wxSRC_INVERT: mode = GDK_COPY_INVERT; break;
+#endif
+ default:
+ {
+ wxFAIL_MSG( _T("unsupported logical function") );
+ break;
+ }
}
+
m_logicalFunction = function;
+
+ if (!m_window) return;
+
gdk_gc_set_function( m_penGC, mode );
gdk_gc_set_function( m_brushGC, mode );
gdk_gc_set_function( m_textGC, mode );
void wxWindowDC::SetTextForeground( const wxColour &col )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (m_textForegroundColour == col) return;
m_textForegroundColour = col;
if (!m_textForegroundColour.Ok()) return;
+ if (!m_window) return;
+
m_textForegroundColour.CalcPixel( m_cmap );
gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
}
void wxWindowDC::SetTextBackground( const wxColour &col )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (m_textBackgroundColour == col) return;
m_textBackgroundColour = col;
if (!m_textBackgroundColour.Ok()) return;
+ if (!m_window) return;
+
m_textBackgroundColour.CalcPixel( m_cmap );
gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
}
void wxWindowDC::SetBackgroundMode( int mode )
{
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
+
m_backgroundMode = mode;
+ if (!m_window) return;
+
// 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( _T("wxWindowDC::SetPalette not implemented") );
}
-void wxWindowDC::SetClippingRegion( long x, long y, long width, long height )
+void wxWindowDC::DoSetClippingRegion( long x, long y, long width, long height )
{
- wxDC::SetClippingRegion( x, y, width, height );
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
+
+ wxDC::DoSetClippingRegion( x, y, width, height );
+ if (!m_window) return;
+
GdkRectangle rect;
rect.x = XLOG2DEV(x);
rect.y = YLOG2DEV(y);
gdk_gc_set_clip_rectangle( m_bgGC, &rect );
}
-void wxWindowDC::DestroyClippingRegion(void)
+void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion )
+{
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
+
+ if (region.Empty())
+ {
+ DestroyClippingRegion();
+ return;
+ }
+
+ if (!m_window) return;
+
+ gdk_gc_set_clip_region( m_penGC, region.GetRegion() );
+ gdk_gc_set_clip_region( m_brushGC, region.GetRegion() );
+ gdk_gc_set_clip_region( m_textGC, region.GetRegion() );
+ gdk_gc_set_clip_region( m_bgGC, region.GetRegion() );
+}
+
+void wxWindowDC::DestroyClippingRegion()
{
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
+
wxDC::DestroyClippingRegion();
+ if (!m_window) return;
+
gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
}
-void wxWindowDC::SetUpDC(void)
+void wxWindowDC::SetUpDC()
{
Destroy();
m_ok = TRUE;
m_brush = wxNullBrush;
SetBrush( tmp_brush );
+/*
tmp_brush = m_backgroundBrush;
m_backgroundBrush = wxNullBrush;
SetBackground( tmp_brush );
+*/
+ tmp_brush = m_backgroundBrush;
+ m_backgroundBrush = wxNullBrush;
+ SetBackground( *wxWHITE_BRUSH );
+ m_backgroundBrush = tmp_brush;
if (!hatch_bitmap)
{
}
}
-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)
+void wxWindowDC::ComputeScaleAndOrigin()
+{
+ /* CMB: copy scale to see if it changes */
+ double origScaleX = m_scaleX;
+ double origScaleY = m_scaleY;
+
+ wxDC::ComputeScaleAndOrigin();
+
+ /* CMB: if scale has changed call SetPen to recalulate the line width */
+ if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
+ (m_pen.Ok()))
+ {
+ /* this is a bit artificial, but we need to force wxDC to think
+ the pen has changed */
+ wxPen pen = m_pen;
+ m_pen = wxNullPen;
+ SetPen( pen );
+ }
+}
+
+// Resolution in pixels per logical inch
+wxSize wxWindowDC::GetPPI() const
+{
+ return wxSize(100, 100);
+}
+
+int wxWindowDC::GetDepth() const
{
- return m_window;
+ wxFAIL_MSG(_T("not implemented"));
+
+ return -1;
}
+#if wxUSE_SPLINES
// ----------------------------------- spline code ----------------------------------------
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,
wxList wx_spline_point_list;
-#define half(z1, z2) ((z1+z2)/2.0)
-#define THRESHOLD 5
+#define half(z1, z2) ((z1+z2)/2.0)
+#define THRESHOLD 5
/* iterative version */
while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) {
xmid = (double)half(x2, x3);
ymid = (double)half(y2, y3);
- if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
- fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {
+ if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
+ fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {
wx_spline_add_point( x1, y1 );
wx_spline_add_point( xmid, ymid );
- } else {
+ } else {
wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3),
(double)half(x3, x4), (double)half(y3, y4), x4, y4);
wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2),
(double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid);
- }
+ }
}
}
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;
double *x3, double *y3, double *x4, double *y4)
{
if (wx_stack_count == 0)
- return (0);
+ return (0);
wx_stack_top--;
wx_stack_count--;
*x1 = wx_stack_top->x1;
}
}
-void wxWindowDC::DrawSpline( wxList *points )
+void wxWindowDC::DoDrawSpline( wxList *points )
{
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
+
wxPoint *p;
double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
double x1, y1, x2, y2;
while ((node = node->Next()) != NULL)
{
p = (wxPoint *)node->Data();
- x1 = x2;
- y1 = y2;
- x2 = p->x;
- y2 = p->y;
+ x1 = x2;
+ y1 = y2;
+ x2 = p->x;
+ y2 = p->y;
cx4 = (double)(x1 + x2) / 2;
cy4 = (double)(y1 + y2) / 2;
cx3 = (double)(x1 + cx4) / 2;
wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
- cx1 = cx4;
- cy1 = cy4;
+ cx1 = cx4;
+ cy1 = cy4;
cx2 = (double)(cx1 + x2) / 2;
cy2 = (double)(cy1 + y2) / 2;
}
wx_spline_draw_point_array( this );
}
+#endif // wxUSE_SPLINE
//-----------------------------------------------------------------------------
// wxPaintDC
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