X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f03fc89fff2d6e823e7d4d14fbe14822ad6777b1..8dbf458911c24bae120bed07d5627a65f362b8d1:/src/gtk1/dcclient.cpp?ds=sidebyside diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp index ebd55de490..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__ @@ -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() { @@ -107,32 +109,29 @@ wxWindowDC::wxWindowDC( wxWindow *window ) 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->GetWxWindow(); - if (!widget) - return; + GtkWidget *widget = window->m_wxwindow; + + 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->GetWxWindow()) - m_cmap = gtk_widget_get_colormap( window->GetWxWindow() ); + if (window->m_wxwindow) + m_cmap = gtk_widget_get_colormap( window->m_wxwindow ); else - m_cmap = gtk_widget_get_colormap( window->GetHandle() ); - - m_isMemDC = FALSE; + m_cmap = gtk_widget_get_colormap( window->m_widget ); SetUpDC(); @@ -151,33 +150,33 @@ 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") ); @@ -188,12 +187,16 @@ 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") ); @@ -201,8 +204,8 @@ void wxWindowDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double 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); @@ -222,28 +225,31 @@ 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 ) { wxCHECK_RET( Ok(), _T("invalid window dc") ); @@ -256,29 +262,33 @@ 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 ) { 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") ); @@ -293,40 +303,14 @@ 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 ) -{ - wxCHECK_RET( Ok(), _T("invalid window dc") ); - - if (m_pen.GetStyle() == wxTRANSPARENT) return; - - wxNode *node = points->First(); - if (!node) return; - - wxPoint *pt = (wxPoint*)node->Data(); - CalcBoundingBox( pt->x + xoffset, pt->y + yoffset ); - - while (node->Next()) - { - wxPoint *point = (wxPoint*)node->Data(); - wxPoint *npoint = (wxPoint*)node->Next()->Data(); - long x1 = XLOG2DEV(point->x + xoffset); - long x2 = XLOG2DEV(npoint->x + xoffset); - long y1 = YLOG2DEV(point->y + yoffset); // and a waste again... - long y2 = YLOG2DEV(npoint->y + yoffset); - gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 ); - node = node->Next(); - - CalcBoundingBox( npoint->x + xoffset, npoint->y + yoffset ); - } -} - -void wxWindowDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) ) +void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) ) { wxCHECK_RET( Ok(), _T("invalid window dc") ); @@ -338,7 +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 ); } @@ -347,61 +331,22 @@ 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)) -{ - wxCHECK_RET( Ok(), _T("invalid window dc") ); - - int n = lines->Number(); - if (n <= 0) return; - - GdkPoint *gdkpoints = new GdkPoint[n]; - wxNode *node = lines->First(); - int cnt = 0; - while (node) - { - wxPoint *p = (wxPoint *) node->Data(); - gdkpoints[cnt].x = XLOG2DEV(p->x + xoffset); - gdkpoints[cnt].y = YLOG2DEV(p->y + yoffset); - node = node->Next(); - cnt++; - - CalcBoundingBox( p->x + xoffset, p->y + yoffset ); - } - - if (m_brush.GetStyle() != wxTRANSPARENT) - gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n); - - // To do: Fillstyle - - if (m_pen.GetStyle() != wxTRANSPARENT) + if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window) { - int i; for (i = 0 ; i < n ; i++) - { - gdk_draw_line( m_window, m_penGC, - gdkpoints[i%n].x, - gdkpoints[i%n].y, - gdkpoints[(i+1)%n].x, - gdkpoints[(i+1)%n].y ); + { + gdk_draw_line( m_window, m_penGC, + gdkpoints[i%n].x, + gdkpoints[i%n].y, + gdkpoints[(i+1)%n].x, + gdkpoints[(i+1)%n].y); } } + delete[] gdkpoints; } -void wxWindowDC::DrawRectangle( long x, long y, long width, long height ) +void wxWindowDC::DoDrawRectangle( long x, long y, long width, long height ) { wxCHECK_RET( Ok(), _T("invalid window dc") ); @@ -417,17 +362,20 @@ 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 ) { wxCHECK_RET( Ok(), _T("invalid window dc") ); @@ -462,33 +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 @@ -496,7 +447,7 @@ 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 ) { wxCHECK_RET( Ok(), _T("invalid window dc") ); @@ -509,31 +460,32 @@ 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() const -{ - return TRUE; -} - -void wxWindowDC::DrawIcon( const wxIcon &icon, long x, long y ) +void wxWindowDC::DoDrawIcon( const wxIcon &icon, long x, long y ) { - DrawBitmap( icon, x, y, TRUE ); + // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why + DoDrawBitmap( (const wxBitmap&)icon, x, y, (bool)TRUE ); } -void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMask ) +void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap, + long x, long y, + bool useMask ) { wxCHECK_RET( Ok(), _T("invalid window dc") ); - if (!bitmap.Ok()) return; + wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") ); /* scale/translate size and position */ @@ -543,6 +495,11 @@ void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMas 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); @@ -553,9 +510,9 @@ void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMas 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 { @@ -586,7 +543,7 @@ 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 */ @@ -596,13 +553,11 @@ void wxWindowDC::DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMas 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 @@ -613,6 +568,8 @@ bool wxWindowDC::Blit( long xdest, long ydest, long width, long height, wxCHECK_MSG( source, FALSE, _T("invalid source dc") ); + if (!m_window) return FALSE; + wxClientDC *srcDC = (wxClientDC*)source; wxMemoryDC *memDC = (wxMemoryDC*)source; @@ -620,42 +577,42 @@ bool wxWindowDC::Blit( long xdest, long ydest, long width, long height, 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 ); @@ -668,12 +625,12 @@ bool wxWindowDC::Blit( long xdest, long ydest, long width, long height, { /* 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; @@ -681,23 +638,23 @@ bool wxWindowDC::Blit( long xdest, long ydest, long width, long height, 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; @@ -708,7 +665,7 @@ bool wxWindowDC::Blit( long xdest, long ydest, long width, long height, 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(); @@ -721,10 +678,10 @@ 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 */ @@ -741,62 +698,64 @@ bool wxWindowDC::Blit( long xdest, long ydest, long width, long height, long xx = XLOG2DEV(xdest); long yy = YLOG2DEV(ydest); - - long ww = XLOG2DEVREL(width); - long hh = YLOG2DEVREL(height); - + + long ww = XLOG2DEVREL(width); + long hh = YLOG2DEVREL(height); + if ((width != ww) || (height != hh)) - { - /* draw source window into a bitmap as we cannot scale - a window in contrast to a bitmap. this would actually - work with memory dcs as well, but we'd lose the mask - information and waste one step in this process since - a memory already has a bitmap. all this is slightly - inefficient as we could take an XImage directly from - an X window, but we'd then also have to care that - the window is not outside the screen (in which case - we'd get a BadMatch or what not). - Is a double XGetImage and combined XGetPixel and - XPutPixel really faster? I'm not sure. look at wxXt - for a different implementation of the same problem. */ + { + /* draw source window into a bitmap as we cannot scale + a window in contrast to a bitmap. this would actually + work with memory dcs as well, but we'd lose the mask + information and waste one step in this process since + a memory already has a bitmap. all this is slightly + inefficient as we could take an XImage directly from + an X window, but we'd then also have to care that + the window is not outside the screen (in which case + we'd get a BadMatch or what not). + Is a double XGetImage and combined XGetPixel and + XPutPixel really faster? I'm not sure. look at wxXt + for a different implementation of the same problem. */ - wxBitmap bitmap( width, height ); - gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0, + wxBitmap bitmap( width, height ); + gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0, srcDC->GetWindow(), - xsrc, ysrc, width, height ); - - /* scale image */ - + xsrc, ysrc, width, height ); + + /* scale image */ + wxImage image( bitmap ); - image = image.Scale( ww, hh ); - - /* convert to bitmap */ - - bitmap = image.ConvertToBitmap(); - - /* draw scaled bitmap */ - + image = image.Scale( ww, hh ); + + /* convert to bitmap */ + + bitmap = image.ConvertToBitmap(); + + /* draw scaled bitmap */ + gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 ); - - } - else - { - /* no scaling and not a memory dc with a mask either */ - + + } + else + { + /* no scaling and not a memory dc with a mask either */ + gdk_window_copy_area( m_window, m_penGC, xx, yy, srcDC->GetWindow(), xsrc, ysrc, width, height ); - } + } } SetLogicalFunction( old_logical_func ); return TRUE; } -void wxWindowDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(use16) ) +void wxWindowDC::DoDrawText( const wxString &text, long x, long y ) { wxCHECK_RET( Ok(), _T("invalid window dc") ); + if (!m_window) return; + GdkFont *font = m_font.GetInternalFont( m_scaleY ); x = XLOG2DEV(x); @@ -830,14 +789,9 @@ void wxWindowDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(u 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; @@ -849,13 +803,13 @@ 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); @@ -865,6 +819,8 @@ 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 @@ -877,7 +833,7 @@ void wxWindowDC::Clear() 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 +841,7 @@ void wxWindowDC::Clear() int width,height; GetSize( &width, &height ); gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height ); - return; + return; } } @@ -904,6 +860,8 @@ void wxWindowDC::SetPen( const wxPen &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) @@ -960,6 +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() ); @@ -979,7 +939,7 @@ void wxWindowDC::SetBrush( const wxBrush &brush ) { if (m_brush.GetStipple()->GetPixmap()) gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() ); - else + else gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetBitmap() ); } @@ -1003,6 +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() ); @@ -1038,29 +1000,40 @@ 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 ); @@ -1075,6 +1048,8 @@ void wxWindowDC::SetTextForeground( const wxColour &col ) 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() ); } @@ -1088,6 +1063,8 @@ void wxWindowDC::SetTextBackground( const wxColour &col ) 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() ); } @@ -1098,6 +1075,8 @@ void wxWindowDC::SetBackgroundMode( int mode ) m_backgroundMode = mode; + if (!m_window) return; + // CMB 21/7/98: fill style of cross-hatch brushes is affected by // transparent/solid background mode @@ -1113,12 +1092,14 @@ 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); @@ -1130,7 +1111,7 @@ 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") ); @@ -1140,6 +1121,8 @@ void wxWindowDC::SetClippingRegion( const wxRegion ®ion ) 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() ); @@ -1152,6 +1135,8 @@ void wxWindowDC::DestroyClippingRegion() 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 ); @@ -1187,9 +1172,15 @@ void wxWindowDC::SetUpDC() 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) { @@ -1215,11 +1206,40 @@ 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 +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 */ @@ -1251,16 +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); - } + } } } @@ -1299,7 +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; @@ -1335,7 +1355,7 @@ 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") ); @@ -1364,10 +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; @@ -1375,8 +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; } @@ -1387,11 +1407,7 @@ 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