// Author: Robert Roebling
// RCS-ID: $Id$
// Copyright: (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
//-----------------------------------------------------------------------------
// 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()
{
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;
/* not realized ? */
if (!m_window)
{
- /* force realization */
- gtk_widget_realize( widget );
- m_window = widget->window;
+ /* don't report problems */
+ m_ok = TRUE;
+
+ return;
}
- /* still not realized ? */
- if (!m_window) 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();
Destroy();
}
-void wxWindowDC::FloodFill( long WXUNUSED(x), long WXUNUSED(y),
+void wxWindowDC::DoFloodFill( long WXUNUSED(x), long WXUNUSED(y),
const wxColour &WXUNUSED(col), int WXUNUSED(style) )
{
- wxFAIL_MSG( _T("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( _T("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 )
{
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);
}
}
-void wxWindowDC::CrossHair( long x, long y )
+void wxWindowDC::DoCrossHair( long x, long y )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
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, long xc, long yc )
+void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2,
+ long xc, long yc )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
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 )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
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 )
{
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 )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
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 )
-{
- 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) )
+void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
{
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))
-{
- wxCHECK_RET( Ok(), _T("invalid window dc") );
-
- int n = lines->Number();
- if (n <= 0) 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 )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
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 )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
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 )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
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 );
-
+ 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() const
-{
- return TRUE;
-}
-
-void wxWindowDC::DrawIcon( const wxIcon &icon, long x, long y )
+void wxWindowDC::DoDrawIcon( const wxIcon &icon, long x, long y )
{
- DrawBitmap( icon, x, y, 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::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMask )
+void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
+ long x, long y,
+ bool useMask )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
- if (!bitmap.Ok()) return;
+ wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") );
/* scale/translate size and position */
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);
if ((w != ww) || (h != hh))
{
wxImage image( bitmap );
- image = image.Scale( ww, hh );
-
- use_bitmap = image.ConvertToBitmap();
+ image = image.Scale( ww, hh );
+
+ use_bitmap = image.ConvertToBitmap();
}
else
{
if (bm)
{
gdk_draw_bitmap( m_window, m_penGC, bm, 0, 0, xx, yy, -1, -1 );
- }
+ }
}
/* remove mask again if any */
gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
gdk_gc_set_clip_origin( m_penGC, 0, 0 );
}
-
- CalcBoundingBox( x, y );
- CalcBoundingBox( x + w, y + h );
}
-bool wxWindowDC::Blit( long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int 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 )
{
/* this is the nth try to get this utterly useless function to
work. it now completely ignores the scaling or translation
wxCHECK_MSG( source, FALSE, _T("invalid source dc") );
+ if (!m_window) return FALSE;
+
wxClientDC *srcDC = (wxClientDC*)source;
wxMemoryDC *memDC = (wxMemoryDC*)source;
if (srcDC->m_isMemDC)
{
- if (!memDC->m_selected.Ok()) return FALSE;
-
+ 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 */
+ 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
- {
- use_bitmap_method = FALSE;
- }
+ {
+ /* 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
+ {
+ use_bitmap_method = FALSE;
+ }
}
CalcBoundingBox( xdest, ydest );
{
/* 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 );
-
+ 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();
+ image = image.Scale( bm_ww, bm_hh );
+
+ use_bitmap = image.ConvertToBitmap();
}
else
{
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);
-
+
+ long ww = XLOG2DEVREL(width);
+ long hh = YLOG2DEVREL(height);
+
/* apply mask if any */
GdkBitmap *mask = (GdkBitmap *) NULL;
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 */
GdkPixmap *pm = use_bitmap.GetPixmap();
GdkBitmap *bm = use_bitmap.GetBitmap();
if (bm)
{
- /* we use the textGC here because blitting a bitmap is done
- using the current text colour */
+ /* 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 */
long xx = XLOG2DEV(xdest);
long yy = YLOG2DEV(ydest);
-
- long ww = XLOG2DEVREL(width);
- long hh = YLOG2DEVREL(height);
-
+
+ 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. */
+ {
+ /* 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,
+ wxBitmap bitmap( width, height );
+ gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0,
srcDC->GetWindow(),
- xsrc, ysrc, width, height );
-
- /* scale image */
-
+ xsrc, ysrc, width, height );
+
+ /* scale image */
+
wxImage image( bitmap );
- image = image.Scale( ww, hh );
-
- /* convert to bitmap */
-
- bitmap = image.ConvertToBitmap();
-
- /* draw scaled 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 */
-
+
+ }
+ 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 );
- }
+ }
}
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 )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
+ if (!m_window) return;
+
GdkFont *font = m_font.GetInternalFont( m_scaleY );
x = XLOG2DEV(x);
CalcBoundingBox (x, y);
}
-bool wxWindowDC::CanGetTextExtent() 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
{
wxFont fontToUse = m_font;
if (theFont) fontToUse = *theFont;
if (externalLeading) (*externalLeading) = 0; // ??
}
-long wxWindowDC::GetCharWidth()
+long wxWindowDC::GetCharWidth() const
{
GdkFont *font = m_font.GetInternalFont( m_scaleY );
return long(gdk_string_width( font, "H" ) / m_scaleX);
}
-long wxWindowDC::GetCharHeight()
+long wxWindowDC::GetCharHeight() const
{
GdkFont *font = m_font.GetInternalFont( m_scaleY );
return long((font->ascent + font->descent) / m_scaleY);
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
+ 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
int width,height;
m_owner->GetSize( &width, &height );
gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
- return;
+ return;
}
if (m_isMemDC)
int width,height;
GetSize( &width, &height );
gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
- return;
+ return;
}
}
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)
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() );
{
if (m_brush.GetStipple()->GetPixmap())
gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
- else
+ else
gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetBitmap() );
}
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() );
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;
-#if (GDK_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 wxAND: mode = GDK_AND; break;
- 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;
-/* ? wxSRC_INVERT GDK_AND_REVERSE, GDK_OR_REVERSE, GDK_OR_INVERT */
+ 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: break;
+ 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 );
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() );
}
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() );
}
m_backgroundMode = mode;
+ if (!m_window) return;
+
// CMB 21/7/98: fill style of cross-hatch brushes is affected by
// transparent/solid background mode
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 )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
- wxDC::SetClippingRegion( x, y, width, height );
+ 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::SetClippingRegion( const wxRegion ®ion )
+void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion )
{
wxCHECK_RET( Ok(), _T("invalid window dc") );
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() );
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 );
m_bgGC = (GdkGC*) NULL;
}
-GdkWindow *wxWindowDC::GetWindow()
+void wxWindowDC::ComputeScaleAndOrigin()
{
- return m_window;
+ /* 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
+{
+ wxFAIL_MSG(_T("not implemented"));
+
+ return -1;
+}
+
+#if wxUSE_SPLINES
// ----------------------------------- spline code ----------------------------------------
void wx_quadratic_spline(double a1, double b1, double a2, double b2,
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);
- }
+ }
}
}
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") );
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 );
}
-// Resolution in pixels per logical inch
-wxSize wxWindowDC::GetPPI(void) const
-{
- return wxSize(100, 100);
-}
+#endif // wxUSE_SPLINE
//-----------------------------------------------------------------------------
// wxPaintDC
projects / wxWidgets.git / blobdiff