X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ed880dd448d6904a9749eb4653d2ba2fe3350b44..2b2edbedb47a54bea26df1bede371bf761e3a233:/src/gtk1/dcclient.cpp diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp index 3bf445ef64..649070a915 100644 --- a/src/gtk1/dcclient.cpp +++ b/src/gtk1/dcclient.cpp @@ -4,7 +4,7 @@ // Author: Robert Roebling // RCS-ID: $Id$ // Copyright: (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -13,8 +13,12 @@ #include "wx/dcclient.h" #include "wx/dcmemory.h" +#include "wx/image.h" #include +#include "gdk/gdk.h" +#include "gtk/gtk.h" + //----------------------------------------------------------------------------- // local data //----------------------------------------------------------------------------- @@ -39,16 +43,18 @@ static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL; //----------------------------------------------------------------------------- // 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; @@ -62,29 +68,29 @@ void gdk_draw_bitmap (GdkDrawable *drawable, 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; @@ -92,6 +98,7 @@ wxWindowDC::wxWindowDC(void) m_bgGC = (GdkGC *) NULL; m_cmap = (GdkColormap *) NULL; m_isMemDC = FALSE; + m_owner = (wxWindow *)NULL; } wxWindowDC::wxWindowDC( wxWindow *window ) @@ -101,57 +108,77 @@ 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) */ + m_owner = window; } -wxWindowDC::~wxWindowDC(void) +wxWindowDC::~wxWindowDC() { 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 ) { - 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); } } -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) { @@ -160,21 +187,25 @@ void wxWindowDC::CrossHair( long x, long y ) 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); @@ -194,30 +225,33 @@ void wxWindowDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double 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); @@ -228,31 +262,35 @@ void wxWindowDC::DrawEllipticArc( long x, long y, long width, long height, doubl 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; @@ -265,44 +303,18 @@ void wxWindowDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset 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 ) -{ - if (!Ok()) return; - - 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) ) { - if (!Ok()) return; + wxCHECK_RET( Ok(), _T("invalid window dc") ); - if (!n) return; + if (n <= 0) return; GdkPoint *gdkpoints = new GdkPoint[n+1]; int i; @@ -310,7 +322,7 @@ void wxWindowDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffse { 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 ); } @@ -319,63 +331,24 @@ void wxWindowDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffse // 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); @@ -389,19 +362,22 @@ void wxWindowDC::DrawRectangle( long x, long y, long width, long height ) 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); @@ -434,33 +410,36 @@ void wxWindowDC::DrawRoundedRectangle( long x, long y, long width, long 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 @@ -468,9 +447,9 @@ void wxWindowDC::DrawRoundedRectangle( long x, long y, long width, long height, 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); @@ -481,65 +460,69 @@ void wxWindowDC::DrawEllipse( long x, long y, long width, long height ) 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(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 ) +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); - GdkBitmap *mask = (GdkBitmap *) NULL; - if (icon.GetMask()) mask = icon.GetMask()->GetBitmap(); + 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 (mask) + /* scale bitmap if required */ + + wxBitmap use_bitmap; + + if ((w != ww) || (h != hh)) { - gdk_gc_set_clip_mask( m_penGC, mask ); - gdk_gc_set_clip_origin( m_penGC, xx, yy ); + wxImage image( bitmap ); + image = image.Scale( ww, hh ); + + use_bitmap = image.ConvertToBitmap(); } - - GdkPixmap *pm = icon.GetPixmap(); - gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 ); - - if (mask) + else { - gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); - gdk_gc_set_clip_origin( m_penGC, 0, 0 ); + use_bitmap = bitmap; } - CalcBoundingBox( x, y ); - int width = icon.GetWidth(); - int height = icon.GetHeight(); - CalcBoundingBox( x + width, y + height ); -} - -void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMask ) -{ - if (!Ok()) return; - - if (!bitmap.Ok()) return; - - int xx = XLOG2DEV(x); - int yy = YLOG2DEV(y); - + /* apply mask if any */ + GdkBitmap *mask = (GdkBitmap *) NULL; - if (bitmap.GetMask()) mask = bitmap.GetMask()->GetBitmap(); + if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap(); if (useMask && mask) { @@ -547,144 +530,254 @@ void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMas gdk_gc_set_clip_origin( m_penGC, xx, yy ); } - GdkPixmap *pm = bitmap.GetPixmap(); - gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 ); - + /* draw XPixmap or XBitmap, depending on what the wxBitmap contains */ + + GdkPixmap *pm = use_bitmap.GetPixmap(); + if (pm) + { + gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 ); + } + else + { + GdkBitmap *bm = use_bitmap.GetBitmap(); + if (bm) + { + gdk_draw_bitmap( m_window, m_penGC, bm, 0, 0, xx, yy, -1, -1 ); + } + } + + /* remove mask again if any */ + if (useMask && mask) { gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); gdk_gc_set_clip_origin( m_penGC, 0, 0 ); } - - CalcBoundingBox( x, y ); - int width = bitmap.GetWidth(); - int height = bitmap.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())) { - long xx = XLOG2DEV(xdest); - long yy = YLOG2DEV(ydest); + /* 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; + } + } - 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); @@ -696,76 +789,79 @@ void wxWindowDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(u 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) @@ -814,7 +910,7 @@ void wxWindowDC::SetPen( const wxPen &pen ) void wxWindowDC::SetBrush( const wxBrush &brush ) { - if (!Ok()) return; + wxCHECK_RET( Ok(), _T("invalid window dc") ); if (m_brush == brush) return; @@ -822,6 +918,8 @@ void wxWindowDC::SetBrush( const wxBrush &brush ) 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() ); @@ -837,9 +935,12 @@ void wxWindowDC::SetBrush( const wxBrush &brush ) 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())) @@ -849,11 +950,12 @@ void wxWindowDC::SetBrush( const wxBrush &brush ) } } -// 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; @@ -861,6 +963,8 @@ void wxWindowDC::SetBackground( const wxBrush &brush ) 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() ); @@ -870,11 +974,11 @@ void wxWindowDC::SetBackground( const wxBrush &brush ) 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 ); @@ -888,20 +992,48 @@ void wxWindowDC::SetBackground( const wxBrush &brush ) { 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 ); @@ -909,36 +1041,45 @@ void wxWindowDC::SetLogicalFunction( int function ) 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, @@ -948,12 +1089,17 @@ void wxWindowDC::SetBackgroundMode( int mode ) 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); @@ -965,31 +1111,39 @@ void wxWindowDC::SetClippingRegion( long x, long y, long width, long height ) 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") ); + 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(void) +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; @@ -1018,9 +1172,15 @@ void wxWindowDC::SetUpDC(void) 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) { @@ -1034,7 +1194,7 @@ void wxWindowDC::SetUpDC(void) } } -void wxWindowDC::Destroy(void) +void wxWindowDC::Destroy() { if (m_penGC) gdk_gc_unref( m_penGC ); m_penGC = (GdkGC*) NULL; @@ -1046,16 +1206,45 @@ void wxWindowDC::Destroy(void) 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, @@ -1065,8 +1254,8 @@ static void wx_spline_draw_point_array(wxDC *dc); 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 */ @@ -1082,16 +1271,16 @@ void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, 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); - } + } } } @@ -1106,7 +1295,7 @@ static Stack wx_spline_stack[SPLINE_STACK_DEPTH]; 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; @@ -1130,7 +1319,7 @@ int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, 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; @@ -1166,8 +1355,10 @@ static void wx_spline_draw_point_array(wxDC *dc) } } -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; @@ -1193,10 +1384,10 @@ void wxWindowDC::DrawSpline( wxList *points ) 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; @@ -1204,8 +1395,8 @@ void wxWindowDC::DrawSpline( wxList *points ) 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; } @@ -1216,6 +1407,7 @@ void wxWindowDC::DrawSpline( wxList *points ) wx_spline_draw_point_array( this ); } +#endif // wxUSE_SPLINE //----------------------------------------------------------------------------- // wxPaintDC @@ -1223,7 +1415,7 @@ void wxWindowDC::DrawSpline( wxList *points ) IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxWindowDC) -wxPaintDC::wxPaintDC(void) +wxPaintDC::wxPaintDC() : wxWindowDC() { } @@ -1239,7 +1431,7 @@ wxPaintDC::wxPaintDC( wxWindow *win ) IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC) -wxClientDC::wxClientDC(void) +wxClientDC::wxClientDC() : wxWindowDC() { }