X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a2053b27b318fe81918a72c838944d1e8cd1524f..07d4b94c3b5d8876d3c9a5f93048afdd6734fe78:/src/gtk/dcclient.cpp diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp index a5ee2b008c..e75b32227e 100644 --- a/src/gtk/dcclient.cpp +++ b/src/gtk/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__ @@ -14,7 +14,7 @@ #include "wx/dcclient.h" #include "wx/dcmemory.h" #include "wx/image.h" -#include +#include // for floating-point functions #include "gdk/gdk.h" #include "gtk/gtk.h" @@ -43,16 +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; @@ -66,27 +68,27 @@ 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() { @@ -107,33 +109,31 @@ wxWindowDC::wxWindowDC( wxWindow *window ) m_bgGC = (GdkGC *) NULL; m_cmap = (GdkColormap *) NULL; m_owner = (wxWindow *)NULL; - - if (!window) return; - + m_isMemDC = FALSE; + m_font = window->GetFont(); + + 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(); /* this must be done after SetUpDC, bacause SetUpDC calls the @@ -142,7 +142,7 @@ wxWindowDC::wxWindowDC( wxWindow *window ) 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; } @@ -151,36 +151,36 @@ 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( _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") ); - + if (m_pen.GetStyle() != wxTRANSPARENT) { int w = 0; @@ -188,220 +188,167 @@ 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 ) { wxCHECK_RET( Ok(), _T("invalid window dc") ); - - long xx1 = XLOG2DEV(x1); + + long xx1 = XLOG2DEV(x1); long yy1 = YLOG2DEV(y1); - long xx2 = XLOG2DEV(x2); + long xx2 = XLOG2DEV(x2); long yy2 = YLOG2DEV(y2); - long xxc = XLOG2DEV((long)xc); - long yyc = YLOG2DEV((long)yc); - double dx = xx1 - xxc; + long xxc = XLOG2DEV(xc); + long yyc = YLOG2DEV(yc); + double dx = xx1 - xxc; double dy = yy1 - yyc; double radius = sqrt(dx*dx+dy*dy); long r = (long)radius; double radius1, radius2; - if (xx1 == xx2 && yy1 == yy2) + if (xx1 == xx2 && yy1 == yy2) { radius1 = 0.0; radius2 = 360.0; - } - else - if (radius == 0.0) + } + else + if (radius == 0.0) { radius1 = radius2 = 0.0; - } - else + } + 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_pen.GetStyle() != wxTRANSPARENT) - gdk_draw_arc( m_window, m_penGC, FALSE, 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 ); + } + 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") ); - - long xx = XLOG2DEV(x); + + long xx = XLOG2DEV(x); long yy = YLOG2DEV(y); - long ww = m_signX * XLOG2DEVREL(width); + long ww = m_signX * XLOG2DEVREL(width); long hh = m_signY * YLOG2DEVREL(height); - + // CMB: handle -ve width and/or height 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_pen.GetStyle() != wxTRANSPARENT) - gdk_draw_arc( m_window, m_penGC, FALSE, 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 ); + } + 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") ); - + if (m_pen.GetStyle() == wxTRANSPARENT) return; if (n <= 0) return; - + CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset ); - + for (int i = 0; i < n-1; i++) { long x1 = XLOG2DEV(points[i].x + xoffset); long x2 = XLOG2DEV(points[i+1].x + xoffset); long y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste long y2 = YLOG2DEV(points[i+1].y + yoffset); - gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 ); - + + if (m_window) + gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 ); + CalcBoundingBox( points[i+1].x + xoffset, points[i+1].y + yoffset ); } } -void wxWindowDC::DrawLines( wxList *points, long xoffset, long yoffset ) +void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) ) { 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) ) -{ - wxCHECK_RET( Ok(), _T("invalid window dc") ); - if (n <= 0) return; - + GdkPoint *gdkpoints = new GdkPoint[n+1]; int i; for (i = 0 ; i < n ; i++) { gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset); gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset); - + CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset ); } - - if (m_brush.GetStyle() != wxTRANSPARENT) - gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n); - - // 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) + if ((m_brush.GetStyle() != wxTRANSPARENT) && m_window) 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") ); @@ -409,7 +356,7 @@ void wxWindowDC::DrawRectangle( long x, long y, long width, long height ) long yy = YLOG2DEV(y); long ww = m_signX * XLOG2DEVREL(width); long hh = m_signY * YLOG2DEVREL(height); - + // CMB: draw nothing if transformed w or h is 0 if (ww == 0 || hh == 0) return; @@ -417,25 +364,28 @@ 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_pen.GetStyle() != wxTRANSPARENT) - gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 ); - + 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 ); + } + 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") ); - + if (radius < 0.0) radius = - radius * ((width < height) ? width : height); - - long xx = XLOG2DEV(x); + + long xx = XLOG2DEV(x); long yy = YLOG2DEV(y); - long ww = m_signX * XLOG2DEVREL(width); + long ww = m_signX * XLOG2DEVREL(width); long hh = m_signY * YLOG2DEVREL(height); long rr = XLOG2DEVREL((long)radius); @@ -462,119 +412,128 @@ 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) - { - 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) + if (m_window) { - 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 ); + // 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 ); + } } - + // this ignores the radius CalcBoundingBox( x, y ); 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") ); - - long xx = XLOG2DEV(x); + + long xx = XLOG2DEV(x); long yy = YLOG2DEV(y); - long ww = m_signX * XLOG2DEVREL(width); + long ww = m_signX * XLOG2DEVREL(width); long hh = m_signY * YLOG2DEVREL(height); // CMB: handle -ve width and/or 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_pen.GetStyle() != wxTRANSPARENT) - gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 ); - + + if (m_window) + { + if (m_brush.GetStyle() != wxTRANSPARENT) + gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 ); + + if (m_pen.GetStyle() != wxTRANSPARENT) + gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 ); + } + CalcBoundingBox( x - width, y - height ); CalcBoundingBox( x + width, y + height ); } -bool wxWindowDC::CanDrawBitmap() 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 ) -{ - DrawBitmap( icon, x, y, 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 xx = XLOG2DEV(x); int yy = YLOG2DEV(y); - + int w = bitmap.GetWidth(); int h = bitmap.GetHeight(); - + + CalcBoundingBox( x, y ); + CalcBoundingBox( x + w, y + h ); + + if (!m_window) return; + int ww = XLOG2DEVREL(w); int hh = YLOG2DEVREL(h); - + /* scale bitmap if required */ - + wxBitmap use_bitmap; - + if ((w != ww) || (h != hh)) { wxImage image( bitmap ); - image = image.Scale( ww, hh ); - - use_bitmap = image.ConvertToBitmap(); + image = image.Scale( ww, hh ); + + use_bitmap = image.ConvertToBitmap(); } else { use_bitmap = bitmap; } - + /* apply mask if any */ - + GdkBitmap *mask = (GdkBitmap *) NULL; if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap(); - - if (useMask && mask) + + 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 */ - + GdkPixmap *pm = use_bitmap.GetPixmap(); if (pm) { @@ -586,23 +545,21 @@ void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMas if (bm) { gdk_draw_bitmap( m_window, m_penGC, bm, 0, 0, xx, yy, -1, -1 ); - } + } } - + /* remove mask again if any */ - - if (useMask && mask) + + if (useMask && mask) { 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 @@ -610,107 +567,109 @@ bool wxWindowDC::Blit( long xdest, long ydest, long width, long height, knows about possible mask information in a memory dc. */ wxCHECK_MSG( Ok(), FALSE, _T("invalid window dc") ); - + wxCHECK_MSG( source, FALSE, _T("invalid source dc") ); - + + if (!m_window) return FALSE; + wxClientDC *srcDC = (wxClientDC*)source; wxMemoryDC *memDC = (wxMemoryDC*)source; - + bool use_bitmap_method = FALSE; - + 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 ); CalcBoundingBox( xdest + width, ydest + height ); - + 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 ); - + + 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; if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap(); - - if (useMask && mask) + + 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 */ - + GdkPixmap *pm = use_bitmap.GetPixmap(); if (pm) { @@ -721,15 +680,15 @@ bool wxWindowDC::Blit( long xdest, long ydest, long width, long height, 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 */ - - if (useMask && mask) + + if (useMask && mask) { gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); gdk_gc_set_clip_origin( m_penGC, 0, 0 ); @@ -738,65 +697,67 @@ bool wxWindowDC::Blit( long xdest, long ydest, long width, long height, else /* use_bitmap_method */ { /* scale/translate size and position */ - + long xx = XLOG2DEV(xdest); long yy = YLOG2DEV(ydest); - - long ww = XLOG2DEVREL(width); - long hh = YLOG2DEVREL(height); - + + 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, + { + /* 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 */ - + 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); @@ -823,25 +784,20 @@ void wxWindowDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(u if (font->descent > 0) ul_y++; gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y); } - + long w, h; GetTextExtent (text, &w, &h); CalcBoundingBox (x + w, y + h); 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; - + GdkFont *font = fontToUse.GetInternalFont( m_scaleY ); if (width) (*width) = long(gdk_string_width( font, string.mbc_str() ) / m_scaleX); if (height) (*height) = long((font->ascent + font->descent) / m_scaleY); @@ -849,13 +805,13 @@ void wxWindowDC::GetTextExtent( const wxString &string, long *width, long *heigh 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); @@ -864,20 +820,22 @@ long wxWindowDC::GetCharHeight() void wxWindowDC::Clear() { 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 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) { 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) @@ -885,7 +843,7 @@ void wxWindowDC::Clear() int width,height; GetSize( &width, &height ); gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height ); - return; + return; } } @@ -897,37 +855,112 @@ void wxWindowDC::SetFont( const wxFont &font ) void wxWindowDC::SetPen( const wxPen &pen ) { 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) { + // CMB: if width is non-zero scale it with the dc width = 1; } else { // X doesn't allow different width in x and y and so we take // the average - double w = 0.5 + (abs(XLOG2DEVREL(width)) + abs(YLOG2DEVREL(width))) / 2.0; + double w = 0.5 + + ( fabs((double) XLOG2DEVREL(width)) + + fabs((double) YLOG2DEVREL(width)) ) / 2.0; width = (int)w; } - + + static const char dotted[] = {1, 1}; + static const char short_dashed[] = {2, 2}; + static const char long_dashed[] = {2, 4}; + static const 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 (GTK_MINOR_VERSION > 0) + 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 ); + } } - +#endif + GdkCapStyle capStyle = GDK_CAP_ROUND; switch (m_pen.GetCap()) { @@ -935,7 +968,7 @@ void wxWindowDC::SetPen( const wxPen &pen ) case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; } case wxCAP_BUTT: { capStyle = GDK_CAP_BUTT; break; } } - + GdkJoinStyle joinStyle = GDK_JOIN_ROUND; switch (m_pen.GetJoin()) { @@ -943,9 +976,9 @@ void wxWindowDC::SetPen( const wxPen &pen ) case wxJOIN_ROUND: { joinStyle = GDK_JOIN_ROUND; break; } case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; break; } } - + gdk_gc_set_line_attributes( m_penGC, width, lineStyle, capStyle, joinStyle ); - + m_pen.GetColour().CalcPixel( m_cmap ); gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() ); } @@ -953,38 +986,37 @@ void wxWindowDC::SetPen( const wxPen &pen ) void wxWindowDC::SetBrush( const wxBrush &brush ) { wxCHECK_RET( Ok(), _T("invalid window dc") ); - + if (m_brush == brush) return; - + m_brush = 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() ); - - GdkFill fillStyle = GDK_SOLID; - switch (m_brush.GetStyle()) - { - case wxSOLID: - case wxTRANSPARENT: - break; - default: - fillStyle = GDK_STIPPLED; - } - - gdk_gc_set_fill( m_brushGC, fillStyle ); - + + gdk_gc_set_fill( m_brushGC, GDK_SOLID ); + if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok())) { if (m_brush.GetStipple()->GetPixmap()) - gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() ); - else + { + gdk_gc_set_fill( m_brushGC, GDK_TILED ); + gdk_gc_set_tile( m_brushGC, m_brush.GetStipple()->GetPixmap() ); + } + else + { + gdk_gc_set_fill( m_brushGC, GDK_STIPPLED ); gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetBitmap() ); + } } - + if (IS_HATCH(m_brush.GetStyle())) { + gdk_gc_set_fill( m_brushGC, GDK_STIPPLED ); int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH; gdk_gc_set_stipple( m_brushGC, hatches[num] ); } @@ -994,40 +1026,42 @@ void wxWindowDC::SetBackground( const wxBrush &brush ) { /* 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; - + m_backgroundBrush = 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() ); gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() ); gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() ); - - GdkFill fillStyle = GDK_SOLID; - switch (m_backgroundBrush.GetStyle()) - { - case wxSOLID: - case wxTRANSPARENT: - break; - default: - fillStyle = GDK_STIPPLED; - } - - gdk_gc_set_fill( m_bgGC, fillStyle ); - - if (m_backgroundBrush.GetStyle() == wxSTIPPLE) + + gdk_gc_set_fill( m_bgGC, GDK_SOLID ); + + if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok())) { - gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() ); + if (m_backgroundBrush.GetStipple()->GetPixmap()) + { + gdk_gc_set_fill( m_bgGC, GDK_TILED ); + gdk_gc_set_tile( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() ); + } + else + { + gdk_gc_set_fill( m_bgGC, GDK_STIPPLED ); + gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetBitmap() ); + } } - + if (IS_HATCH(m_backgroundBrush.GetStyle())) { + gdk_gc_set_fill( m_bgGC, GDK_STIPPLED ); int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH; gdk_gc_set_stipple( m_bgGC, hatches[num] ); } @@ -1036,31 +1070,42 @@ void wxWindowDC::SetBackground( const wxBrush &brush ) 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; -#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 ); @@ -1069,12 +1114,14 @@ void wxWindowDC::SetLogicalFunction( int function ) void wxWindowDC::SetTextForeground( const wxColour &col ) { 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() ); } @@ -1082,12 +1129,14 @@ void wxWindowDC::SetTextForeground( const wxColour &col ) void wxWindowDC::SetTextBackground( const wxColour &col ) { 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() ); } @@ -1095,12 +1144,14 @@ void wxWindowDC::SetTextBackground( const wxColour &col ) 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, @@ -1113,12 +1164,14 @@ 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 ) { 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); @@ -1130,16 +1183,18 @@ 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() ); @@ -1149,9 +1204,11 @@ void wxWindowDC::SetClippingRegion( const wxRegion ®ion ) 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 ); @@ -1167,31 +1224,37 @@ void wxWindowDC::SetUpDC() m_brushGC = gdk_gc_new( m_window ); m_textGC = gdk_gc_new( m_window ); m_bgGC = gdk_gc_new( m_window ); - + wxColour tmp_col( m_textForegroundColour ); m_textForegroundColour = wxNullColour; SetTextForeground( tmp_col ); tmp_col = m_textBackgroundColour; m_textBackgroundColour = wxNullColour; SetTextBackground( tmp_col ); - + wxPen tmp_pen( m_pen ); m_pen = wxNullPen; SetPen( tmp_pen ); - + wxFont tmp_font( m_font ); m_font = wxNullFont; SetFont( tmp_font ); - + wxBrush tmp_brush( m_brush ); m_brush = wxNullBrush; SetBrush( tmp_brush ); - + +/* tmp_brush = m_backgroundBrush; m_backgroundBrush = wxNullBrush; SetBackground( tmp_brush ); - - if (!hatch_bitmap) +*/ + tmp_brush = m_backgroundBrush; + m_backgroundBrush = wxNullBrush; + SetBackground( *wxWHITE_BRUSH ); + m_backgroundBrush = tmp_brush; + + if (!hatch_bitmap) { hatch_bitmap = hatches; hatch_bitmap[0] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, bdiag_bits, bdiag_width, bdiag_height ); @@ -1215,11 +1278,40 @@ void wxWindowDC::Destroy() 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, @@ -1234,8 +1326,8 @@ 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 */ @@ -1251,16 +1343,16 @@ 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); - } + } } } @@ -1299,7 +1391,7 @@ 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; @@ -1335,10 +1427,10 @@ 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; @@ -1364,10 +1456,10 @@ 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; @@ -1375,8 +1467,8 @@ 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; } @@ -1387,11 +1479,7 @@ void wxWindowDC::DrawSpline( wxList *points ) 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