// 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;
+ m_font = window->GetFont();
- 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();
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( "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 )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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(), "invalid window dc" );
+ 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 )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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 )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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 )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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(), "invalid window dc" );
+ 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 )
-{
- wxCHECK_RET( Ok(), "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(), "invalid window dc" );
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (n <= 0) return;
{
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(), "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)
+ if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
{
- 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)
- {
- 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(), "invalid window dc" );
+ 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 )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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 )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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 );
-
+ 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(), "invalid window dc" );
+ 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
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( Ok(), FALSE, _T("invalid window dc") );
+
+ wxCHECK_MSG( source, FALSE, _T("invalid source dc") );
- wxCHECK_MSG( source, FALSE, "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.
- we HAVE TO use the direct way for memory dcs
- that have mask since the XCopyArea doesn't know
- about masks and we SHOULD use the direct way if
- all of the bitmap in the memory dc is copied in
- which case XCopyArea wouldn't be able able to
- boost performace by reducing the area to be scaled */
-
- use_bitmap_method = ( (useMask && (memDC->m_selected.GetMask())) ||
- ((xsrc == 0) && (ysrc == 0) &&
- (width == memDC->m_selected.GetWidth()) &&
- (height == memDC->m_selected.GetHeight()) )
- );
+ 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;
+ }
}
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();
if (pm)
{
- gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, ww, hh );
+ gdk_draw_pixmap( m_window, m_penGC, pm, xsrc, ysrc, xx, yy, ww, hh );
}
else
{
GdkBitmap *bm = use_bitmap.GetBitmap();
if (bm)
{
- gdk_draw_bitmap( m_window, m_penGC, bm, 0, 0, xx, yy, ww, hh );
- }
+ /* we use the textGC here because blitting a bitmap is done
+ using the current text colour */
+ gdk_draw_bitmap( m_window, m_textGC, bm, xsrc, ysrc, xx, yy, ww, hh );
+ }
}
/* 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(), "invalid window dc" );
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
+ if (!m_window) return;
+
GdkFont *font = m_font.GetInternalFont( m_scaleY );
x = XLOG2DEV(x);
/* 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) */
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() 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
{
- wxCHECK_RET( Ok(), "invalid window dc" );
-
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()
+long wxWindowDC::GetCharWidth() const
{
- 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()
+long wxWindowDC::GetCharHeight() const
{
- 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()
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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 )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
-
m_font = font;
}
void wxWindowDC::SetPen( const wxPen &pen )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (m_pen == pen) 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)
{
+ // CMB: if width is non-zero scale it with the dc
width = 1;
}
else
width = (int)w;
}
+ const static char dotted[] = {1, 1};
+ const static char short_dashed[] = {2, 2};
+ const static char long_dashed[] = {2, 4};
+ const static char dotted_dashed[] = {3, 3, 1, 3};
+
+ // We express dash pattern in pen width unit, so we are
+ // independent of zoom factor and so on...
+ int req_nb_dash;
+ const char *req_dash;
+
GdkLineStyle lineStyle = GDK_LINE_SOLID;
switch (m_pen.GetStyle())
{
- case wxSOLID: { lineStyle = GDK_LINE_SOLID; break; }
- case wxDOT: { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
- case wxLONG_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
- case wxSHORT_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; }
- case wxDOT_DASH: { lineStyle = GDK_LINE_DOUBLE_DASH; break; }
+ case wxUSER_DASH:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = m_pen.GetDashCount();
+ req_dash = m_pen.GetDash();
+ break;
+ }
+ case wxDOT:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 2;
+ req_dash = dotted;
+ break;
+ }
+ case wxLONG_DASH:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 2;
+ req_dash = long_dashed;
+ break;
+ }
+ case wxSHORT_DASH:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 2;
+ req_dash = short_dashed;
+ break;
+ }
+ case wxDOT_DASH:
+ {
+// lineStyle = GDK_LINE_DOUBLE_DASH;
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 4;
+ req_dash = dotted_dashed;
+ break;
+ }
+
+ case wxTRANSPARENT:
+ case wxSTIPPLE:
+ case wxSOLID:
+ default:
+ {
+ lineStyle = GDK_LINE_SOLID;
+ req_dash = (wxDash*)NULL;
+ req_nb_dash = 0;
+ break;
+ }
}
+ if (req_dash && req_nb_dash)
+ {
+ char *real_req_dash = new char[req_nb_dash];
+ if (real_req_dash)
+ {
+ for (int i = 0; i < req_nb_dash; i++)
+ real_req_dash[i] = req_dash[i] * width;
+ gdk_gc_set_dashes( m_penGC, 0, real_req_dash, req_nb_dash );
+ delete[] real_req_dash;
+ }
+ else
+ {
+ // No Memory. We use non-scaled dash pattern...
+ gdk_gc_set_dashes( m_penGC, 0, (char*)req_dash, req_nb_dash );
+ }
+ }
+
GdkCapStyle capStyle = GDK_CAP_ROUND;
switch (m_pen.GetCap())
{
void wxWindowDC::SetBrush( const wxBrush &brush )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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 */
- wxCHECK_RET( Ok(), "invalid window dc" );
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (m_backgroundBrush == brush) return;
if (!m_backgroundBrush.Ok()) return;
- if (m_owner)
- {
- m_owner->SetBackgroundColour( m_backgroundBrush.GetColour() );
- }
-
+ 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() );
void wxWindowDC::SetLogicalFunction( int function )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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 )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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 )
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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(), "invalid window dc" );
+ 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
void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) )
{
- wxFAIL_MSG( "wxWindowDC::SetPalette not implemented" );
+ 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(), "invalid window dc" );
+ 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(), "invalid window dc" );
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
if (region.Empty())
{
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() );
void wxWindowDC::DestroyClippingRegion()
{
- wxCHECK_RET( Ok(), "invalid window dc" );
+ 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 );
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)
{
m_bgGC = (GdkGC*) NULL;
}
-GdkWindow *wxWindowDC::GetWindow()
+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 m_window;
+ 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(), "invalid window dc" );
+ wxCHECK_RET( Ok(), _T("invalid window dc") );
wxPoint *p;
double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
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
projects / wxWidgets.git / blobdiff