X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/18a2fa3715239bc43484e0bc6c31001de04e0b34..74f551959f777d3d8993f9fac3a0b501ab95041a:/src/gtk/dcclient.cpp diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp index c4b2b3ee14..c4b314a5b8 100644 --- a/src/gtk/dcclient.cpp +++ b/src/gtk/dcclient.cpp @@ -2,10 +2,9 @@ // Name: dcclient.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Copyright: (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -14,6 +13,12 @@ #include "wx/dcclient.h" #include "wx/dcmemory.h" +#include "wx/image.h" +#include "wx/gtk/win_gtk.h" + +#include // for floating-point functions +#include +#include //----------------------------------------------------------------------------- // local data @@ -28,741 +33,1491 @@ #define num_hatches 6 static GdkPixmap *hatches[num_hatches]; -static GdkPixmap **hatch_bitmap = NULL; +static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL; //----------------------------------------------------------------------------- // constants //----------------------------------------------------------------------------- -#define RAD2DEG 57.2957795131 +const double RAD2DEG = 180.0 / M_PI; + +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +static inline double dmax(double a, double b) { return a > b ? a : b; } +static inline double dmin(double a, double b) { return a < b ? a : b; } + +static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } //----------------------------------------------------------------------------- // 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) -{ - GdkWindowPrivate *drawable_private; - GdkWindowPrivate *src_private; - GdkGCPrivate *gc_private; - - g_return_if_fail (drawable != NULL); - g_return_if_fail (src != NULL); - g_return_if_fail (gc != NULL); - - drawable_private = (GdkWindowPrivate*) 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); + +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; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (src != NULL); + g_return_if_fail (gc != NULL); + + drawable_private = (GdkWindowPrivate*) 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 ); } //----------------------------------------------------------------------------- -// wxPaintDC +// wxWindowDC //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxDC) +IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC) -wxPaintDC::wxPaintDC(void) +wxWindowDC::wxWindowDC() { -}; + m_penGC = (GdkGC *) NULL; + m_brushGC = (GdkGC *) NULL; + m_textGC = (GdkGC *) NULL; + m_bgGC = (GdkGC *) NULL; + m_cmap = (GdkColormap *) NULL; + m_isMemDC = FALSE; + m_owner = (wxWindow *)NULL; +} -wxPaintDC::wxPaintDC( wxWindow *window ) +wxWindowDC::wxWindowDC( wxWindow *window ) { - if (!window) return; - GtkWidget *widget = window->m_wxwindow; - if (!widget) return; - m_window = widget->window; - 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_isDrawable = TRUE; - - SetUpDC(); - - long x = 0; - long y = 0; - window->GetDrawingOffset( &x, &y ); - SetInternalDeviceOrigin( -x, -y ); -}; + m_penGC = (GdkGC *) NULL; + m_brushGC = (GdkGC *) NULL; + m_textGC = (GdkGC *) NULL; + m_bgGC = (GdkGC *) NULL; + m_cmap = (GdkColormap *) NULL; + m_owner = (wxWindow *)NULL; + m_isMemDC = FALSE; + m_font = window->GetFont(); + + wxASSERT_MSG( window, wxT("DC needs a window") ); + + GtkWidget *widget = window->m_wxwindow; + + wxASSERT_MSG( widget, wxT("DC needs a widget") ); + + GtkPizza *pizza = GTK_PIZZA( widget ); + m_window = pizza->bin_window; + + /* 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 ); + + 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; +} -wxPaintDC::~wxPaintDC(void) +wxWindowDC::~wxWindowDC() { -}; + Destroy(); +} -void wxPaintDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1), - wxColour *WXUNUSED(col), int WXUNUSED(style) ) +void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), + const wxColour &WXUNUSED(col), int WXUNUSED(style) ) { -}; + wxFAIL_MSG( wxT("wxWindowDC::DoFloodFill not implemented") ); +} -bool wxPaintDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const +bool wxWindowDC::DoGetPixel( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), wxColour *WXUNUSED(col) ) const { - return FALSE; -}; + wxFAIL_MSG( wxT("wxWindowDC::DoGetPixel not implemented") ); + return FALSE; +} -void wxPaintDC::DrawLine( long x1, long y1, long x2, long y2 ) +void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ) { - if (!Ok()) return; - - if (m_pen.GetStyle() != wxTRANSPARENT) - { - gdk_draw_line( m_window, m_penGC, - XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) ); - }; -}; + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + if (m_pen.GetStyle() != wxTRANSPARENT) + { + if (m_window) + gdk_draw_line( m_window, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) ); -void wxPaintDC::CrossHair( long x, long y ) + CalcBoundingBox(x1, y1); + CalcBoundingBox(x2, y2); + } +} + +void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y ) { - if (!Ok()) return; - - if (m_pen.GetStyle() != wxTRANSPARENT) - { - int w = 0; - int h = 0; - 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) ); - }; -}; - -void wxPaintDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc ) -{ - if (!Ok()) return; - - 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); - 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) - { - radius1 = 0.0; - radius2 = 360.0; - } - else - if (radius == 0.0) - { - radius1 = radius2 = 0.0; - } - else - { - radius1 = (xx1 - xxc == 0) ? - (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; - }; - 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 ); - -}; - -void wxPaintDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea ) -{ - if (!Ok()) return; - - long xx = XLOG2DEV(x); - long yy = YLOG2DEV(y); - 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 ); -}; - -void wxPaintDC::DrawPoint( long x, long y ) -{ - if (!Ok()) return; - - if (m_pen.GetStyle() != wxTRANSPARENT) - gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) ); -}; - -void wxPaintDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset ) -{ - if (!Ok()) return; - - if (m_pen.GetStyle() == wxTRANSPARENT) return; - - 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 ); - }; -}; - -void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset ) -{ - if (!Ok()) return; - - if (m_pen.GetStyle() == wxTRANSPARENT) return; - - wxNode *node = points->First(); - 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 again... - long y2 = YLOG2DEV(npoint->y + yoffset); - gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 ); - node = node->Next(); - }; -}; - -void wxPaintDC::DrawPolygon( int WXUNUSED(n), wxPoint WXUNUSED(points)[], - long WXUNUSED(xoffset), long WXUNUSED(yoffset), int WXUNUSED(fillStyle) ) -{ - if (!Ok()) return; -}; - -void wxPaintDC::DrawPolygon( wxList *WXUNUSED(lines), long WXUNUSED(xoffset), - long WXUNUSED(yoffset), int WXUNUSED(fillStyle) ) -{ - if (!Ok()) return; -}; - -void wxPaintDC::DrawRectangle( long x, long y, long width, long height ) -{ - if (!Ok()) return; - - long xx = XLOG2DEV(x); - 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; - - // 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_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 ); -}; - -void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius ) -{ - if (!Ok()) return; - - if (radius < 0.0) radius = - radius * ((width < height) ? width : height); - - long xx = XLOG2DEV(x); - long yy = YLOG2DEV(y); - long ww = m_signX * XLOG2DEVREL(width); - long hh = m_signY * YLOG2DEVREL(height); - long rr = XLOG2DEVREL((long)radius); - - // CMB: handle -ve width and/or height - if (ww < 0) { ww = -ww; xx = xx - ww; } - if (hh < 0) { hh = -hh; yy = yy - hh; } - - // CMB: if radius is zero use DrawRectangle() instead to avoid - // X drawing errors with small radii - if (rr == 0) - { - DrawRectangle( x, y, width, height ); - return; - } + wxCHECK_RET( Ok(), wxT("invalid window dc") ); - // CMB: draw nothing if transformed w or h is 0 - if (ww == 0 || hh == 0) return; + if (m_pen.GetStyle() != wxTRANSPARENT) + { + int w = 0; + int h = 0; + GetSize( &w, &h ); + wxCoord xx = XLOG2DEV(x); + wxCoord yy = YLOG2DEV(y); + 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) ); + } + } +} - // CMB: adjust size if outline is drawn otherwise the result is - // 1 pixel too wide and high - if (m_pen.GetStyle() != wxTRANSPARENT) - { - ww--; - hh--; - } +void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, + wxCoord xc, wxCoord yc ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + wxCoord xx1 = XLOG2DEV(x1); + wxCoord yy1 = YLOG2DEV(y1); + wxCoord xx2 = XLOG2DEV(x2); + wxCoord yy2 = YLOG2DEV(y2); + wxCoord xxc = XLOG2DEV(xc); + wxCoord yyc = YLOG2DEV(yc); + double dx = xx1 - xxc; + double dy = yy1 - yyc; + double radius = sqrt((double)(dx*dx+dy*dy)); + wxCoord r = (wxCoord)radius; + double radius1, radius2; + + if (xx1 == xx2 && yy1 == yy2) + { + radius1 = 0.0; + radius2 = 360.0; + } + else + if (radius == 0.0) + { + radius1 = radius2 = 0.0; + } + else + { + radius1 = (xx1 - xxc == 0) ? + (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; + } + wxCoord alpha1 = wxCoord(radius1 * 64.0); + wxCoord alpha2 = wxCoord((radius2 - radius1) * 64.0); + while (alpha2 <= 0) alpha2 += 360*64; + while (alpha1 > 360*64) alpha1 -= 360*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_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_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 ); - }; -}; - -void wxPaintDC::DrawEllipse( long x, long y, long width, long height ) -{ - if (!Ok()) return; - - long xx = XLOG2DEV(x); - long yy = YLOG2DEV(y); - 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 ); -}; - -bool wxPaintDC::CanDrawBitmap(void) const + 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::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea ) { - return TRUE; -}; - -void wxPaintDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask ) -{ - if (!Ok()) return; - - if (!icon.Ok()) return; - - int xx = XLOG2DEV(x); - int yy = YLOG2DEV(y); - - GdkBitmap *mask = NULL; - if (icon.GetMask()) mask = icon.GetMask()->GetBitmap(); - - if (useMask && mask) - { - gdk_gc_set_clip_mask( m_penGC, mask ); - gdk_gc_set_clip_origin( m_penGC, xx, yy ); - }; - - GdkPixmap *pm = icon.GetPixmap(); - gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 ); - - if (useMask && mask) - { - gdk_gc_set_clip_mask( m_penGC, NULL ); - gdk_gc_set_clip_origin( m_penGC, 0, 0 ); - }; -}; - -bool wxPaintDC::Blit( long xdest, long ydest, long width, long height, - wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool WXUNUSED(useMask) ) -{ - if (!Ok()) return FALSE; - - // CMB 20/5/98: add blitting of bitmaps - if (source->IsKindOf(CLASSINFO(wxMemoryDC))) - { - wxMemoryDC* srcDC = (wxMemoryDC*)source; - GdkBitmap* bmap = srcDC->m_selected.GetBitmap(); - if (bmap) - { - gdk_draw_bitmap ( - m_window, - m_textGC, - bmap, - source->DeviceToLogicalX(xsrc), source->DeviceToLogicalY(ysrc), - XLOG2DEV(xdest), YLOG2DEV(ydest), - source->DeviceToLogicalXRel(width), source->DeviceToLogicalYRel(height) - ); - return TRUE; + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + wxCoord xx = XLOG2DEV(x); + wxCoord yy = YLOG2DEV(y); + wxCoord ww = m_signX * XLOG2DEVREL(width); + wxCoord 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_window) + { + wxCoord start = wxCoord(sa * 64.0); + wxCoord end = wxCoord(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 ); } - } - wxClientDC *csrc = (wxClientDC*)source; - gdk_window_copy_area ( m_window, m_penGC, - 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_penGC, - XLOG2DEV(xdest), YLOG2DEV(ydest), - csrc->GetWindow(), - xsrc, ysrc, - width, height ); -*/ - - return TRUE; -}; + CalcBoundingBox (x, y); + CalcBoundingBox (x + width, y + height); +} -void wxPaintDC::DrawText( const wxString &text, long x, long y, bool -WXUNUSED(use16) ) +void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y ) { - if (!Ok()) return; + wxCHECK_RET( Ok(), wxT("invalid window dc") ); - GdkFont *font = m_font.GetInternalFont( m_scaleY ); + if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window) + gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) ); - x = XLOG2DEV(x); - y = YLOG2DEV(y); + CalcBoundingBox (x, y); +} - // CMB 21/5/98: draw text background if mode is wxSOLID - if (m_backgroundMode == wxSOLID) - { - long width = gdk_string_width( font, text ); - 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 ); +void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset ) +{ + wxCHECK_RET( Ok(), wxT("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++) + { + wxCoord x1 = XLOG2DEV(points[i].x + xoffset); + wxCoord x2 = XLOG2DEV(points[i+1].x + xoffset); + wxCoord y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste + wxCoord y2 = YLOG2DEV(points[i+1].y + yoffset); + + 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::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) ) +{ + wxCHECK_RET( Ok(), wxT("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_window) + { + if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) + gdk_draw_polygon (m_window, m_textGC, TRUE, gdkpoints, n); + else + { + if ((m_brush.GetStyle() != wxTRANSPARENT)) + gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n); + } + } + + // To do: Fillstyle + + if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window) + { + 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::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + wxCoord xx = XLOG2DEV(x); + wxCoord yy = YLOG2DEV(y); + wxCoord ww = m_signX * XLOG2DEVREL(width); + wxCoord hh = m_signY * YLOG2DEVREL(height); + + // CMB: draw nothing if transformed w or h is 0 + if (ww == 0 || hh == 0) return; + + // 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_window) + { + if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) + { + gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy, ww, hh ); + gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 ); + } + else + { + 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::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + if (radius < 0.0) radius = - radius * ((width < height) ? width : height); + + wxCoord xx = XLOG2DEV(x); + wxCoord yy = YLOG2DEV(y); + wxCoord ww = m_signX * XLOG2DEVREL(width); + wxCoord hh = m_signY * YLOG2DEVREL(height); + wxCoord rr = XLOG2DEVREL((wxCoord)radius); + + // CMB: handle -ve width and/or height + if (ww < 0) { ww = -ww; xx = xx - ww; } + if (hh < 0) { hh = -hh; yy = yy - hh; } + + // CMB: if radius is zero use DrawRectangle() instead to avoid + // X drawing errors with small radii + if (rr == 0) + { + DrawRectangle( x, y, width, height ); + return; + } + + // CMB: draw nothing if transformed w or h is 0 + if (ww == 0 || hh == 0) return; + + // CMB: adjust size if outline is drawn otherwise the result is + // 1 pixel too wide and high + if (m_pen.GetStyle() != wxTRANSPARENT) + { + ww--; + hh--; + } + + if (m_window) + { + // CMB: ensure dd is not larger than rectangle otherwise we + // get an hour glass shape + wxCoord 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::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + wxCoord xx = XLOG2DEV(x); + wxCoord yy = YLOG2DEV(y); + wxCoord ww = m_signX * XLOG2DEVREL(width); + wxCoord 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_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 ); +} + +void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y ) +{ + // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why + DoDrawBitmap( (const wxBitmap&)icon, x, y, (bool)TRUE ); +} + +void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap, + wxCoord x, wxCoord y, + bool useMask ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") ); + + bool is_mono = (bitmap.GetBitmap() != NULL); + + /* 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.Rescale( ww, hh ); + if (is_mono) + use_bitmap = image.ConvertToMonoBitmap(255,255,255); + else + 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 (is_mono) + { + gdk_gc_set_clip_mask( m_textGC, mask ); + gdk_gc_set_clip_origin( m_textGC, xx, yy ); + } + else + { + 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. For + drawing a mono-bitmap (XBitmap) we use the current text GC */ + if (is_mono) + gdk_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), 0, 0, xx, yy, -1, -1 ); + else + gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 ); + + /* remove mask again if any */ + + if (useMask && mask) + { + if (is_mono) + { + gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL ); + gdk_gc_set_clip_origin( m_textGC, 0, 0 ); + } + else + { + gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); + gdk_gc_set_clip_origin( m_penGC, 0, 0 ); + } + } +} + +bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, + wxDC *source, wxCoord xsrc, wxCoord ysrc, + int logical_func, bool useMask ) +{ + /* this is the nth try to get this utterly useless function to + work. it now completely ignores the scaling or translation + of the source dc, but scales correctly on the target dc and + knows about possible mask information in a memory dc. */ + + wxCHECK_MSG( Ok(), FALSE, wxT("invalid window dc") ); + + wxCHECK_MSG( source, FALSE, wxT("invalid source dc") ); + + if (!m_window) return FALSE; + + wxClientDC *srcDC = (wxClientDC*)source; + wxMemoryDC *memDC = (wxMemoryDC*)source; + + bool use_bitmap_method = FALSE; + bool is_mono = FALSE; + + if (srcDC->m_isMemDC) + { + 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 */ + is_mono = TRUE; + 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 */ + + wxCoord bm_width = memDC->m_selected.GetWidth(); + wxCoord bm_height = memDC->m_selected.GetHeight(); + + wxCoord bm_ww = XLOG2DEVREL( bm_width ); + wxCoord 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 ); + + if (is_mono) + use_bitmap = image.ConvertToMonoBitmap(255,255,255); + else + use_bitmap = image.ConvertToBitmap(); + } + else + { + use_bitmap = memDC->m_selected; + } + + /* scale/translate size and position */ + + wxCoord xx = XLOG2DEV(xdest); + wxCoord yy = YLOG2DEV(ydest); + + wxCoord ww = XLOG2DEVREL(width); + wxCoord hh = YLOG2DEVREL(height); + + /* apply mask if any */ + + GdkBitmap *mask = (GdkBitmap *) NULL; + if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap(); + + if (useMask && mask) + { + if (is_mono) + { + gdk_gc_set_clip_mask( m_textGC, mask ); + gdk_gc_set_clip_origin( m_textGC, xx, yy ); + } + else + { + 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. For + drawing a mono-bitmap (XBitmap) we use the current text GC */ + if (is_mono) + gdk_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh ); + else + gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh ); + + /* remove mask again if any */ + + if (useMask && mask) + { + if (is_mono) + { + gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL ); + gdk_gc_set_clip_origin( m_textGC, 0, 0 ); + } + else + { + 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 */ + + wxCoord xx = XLOG2DEV(xdest); + wxCoord yy = YLOG2DEV(ydest); + + wxCoord ww = XLOG2DEVREL(width); + wxCoord 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 ); + } + } + + SetLogicalFunction( old_logical_func ); + return TRUE; +} + +void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + if (!m_window) return; + + GdkFont *font = m_font.GetInternalFont( m_scaleY ); + + wxCHECK_RET( font, wxT("invalid font") ); + + x = XLOG2DEV(x); + y = YLOG2DEV(y); + + /* CMB 21/5/98: draw text background if mode is wxSOLID */ + if (m_backgroundMode == wxSOLID) + { + wxCoord width = gdk_string_width( font, text.mbc_str() ); + wxCoord 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.mbc_str() ); + + /* CMB 17/7/98: simple underline: ignores scaling and underlying + X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS + properties (see wxXt implementation) */ + if (m_font.GetUnderlined()) + { + wxCoord width = gdk_string_width( font, text.mbc_str() ); + wxCoord 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); + } + + wxCoord w, h; + GetTextExtent (text, &w, &h); + CalcBoundingBox (x + w, y + h); + CalcBoundingBox (x, y); +} + +void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle ) +{ + if (angle == 0.0) + { + DrawText(text, x, y); + return; + } + + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + if (!m_window) return; + + GdkFont *font = m_font.GetInternalFont( m_scaleY ); + + wxCHECK_RET( font, wxT("invalid font") ); + + // the size of the text + wxCoord w = gdk_string_width( font, text.mbc_str() ); + wxCoord h = font->ascent + font->descent; + + // draw the string normally + wxBitmap src(w, h); + wxMemoryDC dc; + dc.SelectObject(src); + dc.SetFont(GetFont()); + dc.SetBackground(*wxWHITE_BRUSH); + dc.SetBrush(*wxBLACK_BRUSH); + dc.Clear(); + dc.DrawText(text, 0, 0); + dc.SetFont(wxNullFont); + dc.SelectObject(wxNullBitmap); + + // Calculate the size of the rotated bounding box. + double rad = DegToRad(angle); + double dx = cos(rad), + dy = sin(rad); + + // the rectngle vertices are counted clockwise with the first one being at + // (0, 0) (or, rather, at (x, y)) + double x2 = w*dx, + y2 = -w*dy; // y axis points to the bottom, hence minus + double x4 = h*dy, + y4 = h*dx; + double x3 = x4 + x2, + y3 = y4 + y2; + + // calc max and min + wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5), + maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5), + minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5), + minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5); + + // prepare to blit-with-rotate the bitmap to the DC + wxImage image(src); + + GdkColor *colText = m_textForegroundColour.GetColor(), + *colBack = m_textBackgroundColour.GetColor(); + + bool textColSet = TRUE; + + unsigned char *data = image.GetData(); + + // paint pixel by pixel + for ( wxCoord srcX = 0; srcX < w; srcX++ ) + { + for ( wxCoord srcY = 0; srcY < h; srcY++ ) + { + // transform source coords to dest coords + double r = sqrt(srcX*srcX + srcY*srcY); + double angleOrig = atan2(srcY, srcX) - rad; + wxCoord dstX = (wxCoord)(r*cos(angleOrig) + 0.5), + dstY = (wxCoord)(r*sin(angleOrig) + 0.5); + + // black pixel? + bool textPixel = data[(srcY*w + srcX)*3] == 0; + if ( textPixel || (m_backgroundMode == wxSOLID) ) + { + // change colour if needed + if ( textPixel != textColSet ) + { + gdk_gc_set_foreground( m_textGC, textPixel ? colText + : colBack ); + + textColSet = textPixel; + } + + // don't use DrawPoint() because it uses the current pen + // colour, and we don't need it here + gdk_draw_point( m_window, m_textGC, + XLOG2DEV(x + dstX), YLOG2DEV(y + dstY) ); + } + } + } + + // it would be better to draw with non underlined font and draw the line + // manually here (it would be more straight...) +#if 0 + if ( m_font.GetUnderlined() ) + { + gdk_draw_line( m_window, m_textGC, + XLOG2DEV(x + x4), YLOG2DEV(y + y4 + font->descent), + XLOG2DEV(x + x3), YLOG2DEV(y + y3 + font->descent)); + } +#endif // 0 + + // restore the font colour + gdk_gc_set_foreground( m_textGC, colText ); + + // update the bounding box + CalcBoundingBox(x + minX, y + minY); + CalcBoundingBox(x + maxX, y + maxY); +} + +void wxWindowDC::DoGetTextExtent(const wxString &string, + wxCoord *width, wxCoord *height, + wxCoord *descent, wxCoord *externalLeading, + wxFont *theFont) const +{ + wxFont fontToUse = m_font; + if (theFont) fontToUse = *theFont; + + GdkFont *font = fontToUse.GetInternalFont( m_scaleY ); + if (width) (*width) = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX); + if (height) (*height) = wxCoord((font->ascent + font->descent) / m_scaleY); + if (descent) (*descent) = wxCoord(font->descent / m_scaleY); + if (externalLeading) (*externalLeading) = 0; // ?? +} + +wxCoord wxWindowDC::GetCharWidth() const +{ + GdkFont *font = m_font.GetInternalFont( m_scaleY ); + wxCHECK_MSG( font, -1, wxT("invalid font") ); + + return wxCoord(gdk_string_width( font, "H" ) / m_scaleX); +} + +wxCoord wxWindowDC::GetCharHeight() const +{ + GdkFont *font = m_font.GetInternalFont( m_scaleY ); + wxCHECK_MSG( font, -1, wxT("invalid font") ); + + return wxCoord((font->ascent + font->descent) / m_scaleY); +} + +void wxWindowDC::Clear() +{ + wxCHECK_RET( Ok(), wxT("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; + } + + 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 ) +{ + m_font = font; +} + +void wxWindowDC::SetPen( const wxPen &pen ) +{ + wxCHECK_RET( Ok(), wxT("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(); + 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 + + ( 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 wxCoord_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 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 = wxCoord_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_MASK_OPAQUE: + 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()) + { + case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; } + case wxCAP_BUTT: { capStyle = GDK_CAP_BUTT; break; } + case wxCAP_ROUND: + default: + { + if (width <= 1) + { + width = 0; + capStyle = GDK_CAP_NOT_LAST; + } + else + { + capStyle = GDK_CAP_ROUND; + } + break; + } + } + + GdkJoinStyle joinStyle = GDK_JOIN_ROUND; + switch (m_pen.GetJoin()) + { + case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; } + case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; break; } + case wxJOIN_ROUND: + default: { joinStyle = GDK_JOIN_ROUND; 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() ); +} + +void wxWindowDC::SetBrush( const wxBrush &brush ) +{ + wxCHECK_RET( Ok(), wxT("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() ); + + 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_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 ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) + { + gdk_gc_set_fill( m_textGC, GDK_OPAQUE_STIPPLED); + gdk_gc_set_stipple( m_textGC, m_brush.GetStipple()->GetMask()->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] ); + } +} + +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(), wxT("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() ); + + gdk_gc_set_fill( m_bgGC, GDK_SOLID ); + + if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok())) + { + 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] ); + } +} + +void wxWindowDC::SetLogicalFunction( int function ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + if (m_logicalFunction == function) + return; + + // VZ: shouldn't this be a CHECK? + if (!m_window) + return; + + GdkFunction mode = GDK_COPY; + switch (function) + { + 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 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; + case wxCOPY: mode = GDK_COPY; break; + case wxNO_OP: mode = GDK_NOOP; break; + case wxSRC_INVERT: mode = GDK_COPY_INVERT; break; + + // unsupported by GTK + case wxNOR: mode = GDK_COPY; break; +#endif + default: + { + wxFAIL_MSG( wxT("unsupported logical function") ); + break; + } + } + + m_logicalFunction = function; + + gdk_gc_set_function( m_penGC, mode ); + gdk_gc_set_function( m_brushGC, mode ); + + // to stay compatible with wxMSW, we don't apply ROPs to the text + // operations (i.e. DrawText/DrawRotatedText) + // gdk_gc_set_function( m_textGC, mode ); +} + +void wxWindowDC::SetTextForeground( const wxColour &col ) +{ + wxCHECK_RET( Ok(), wxT("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() ); - } - gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text ); +} - // 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 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); - } -}; +void wxWindowDC::SetTextBackground( const wxColour &col ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + if (m_textBackgroundColour == col) return; + m_textBackgroundColour = col; + if (!m_textBackgroundColour.Ok()) return; + if (!m_window) return; -bool wxPaintDC::CanGetTextExtent(void) const + m_textBackgroundColour.CalcPixel( m_cmap ); + gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() ); +} + +void wxWindowDC::SetBackgroundMode( int mode ) { - return TRUE; -}; - -void wxPaintDC::GetTextExtent( const wxString &string, long *width, long *height, - long *WXUNUSED(descent), long *WXUNUSED(externalLeading), - wxFont *WXUNUSED(theFont), bool WXUNUSED(use16) ) -{ - if (!Ok()) return; - - GdkFont *font = m_font.GetInternalFont( m_scaleY ); - if (width) (*width) = long(gdk_string_width( font, string ) / m_scaleX); - if (height) (*height) = long((font->ascent + font->descent) / m_scaleY); -}; - -long wxPaintDC::GetCharWidth(void) -{ - if (!Ok()) return 0; - - GdkFont *font = m_font.GetInternalFont( m_scaleY ); - return gdk_string_width( font, "H" ); -}; - -long wxPaintDC::GetCharHeight(void) -{ - if (!Ok()) return 0; - - GdkFont *font = m_font.GetInternalFont( m_scaleY ); - return font->ascent + font->descent; -}; - -void wxPaintDC::Clear(void) -{ - if (!Ok()) return; - - DestroyClippingRegion(); - - if (m_isDrawable) - { - gdk_window_clear( m_window ); - } - else - { - int width = 0; - int height = 0; - GetSize( &width, &height ); - gdk_draw_rectangle( m_window, m_brushGC, TRUE, 0, 0, width, height ); - }; -}; - -void wxPaintDC::SetFont( const wxFont &font ) -{ - if (!Ok()) return; - - m_font = font; -}; - -void wxPaintDC::SetPen( const wxPen &pen ) -{ - if (!Ok()) return; - - if (m_pen == pen) return; - - m_pen = pen; - - if (!m_pen.Ok()) return; - - gint width = m_pen.GetWidth(); - // CMB: if width is non-zero scale it with the dc - if (width <= 0) - { - 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; - width = (int)w; + wxCHECK_RET( Ok(), wxT("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, + (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED); + } +} + +void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) ) +{ + wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") ); +} + +void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + wxDC::DoSetClippingRegion( x, y, width, height ); + + if (!m_window) return; + + GdkRectangle rect; + rect.x = XLOG2DEV(x); + rect.y = YLOG2DEV(y); + rect.width = XLOG2DEVREL(width); + rect.height = YLOG2DEVREL(height); + gdk_gc_set_clip_rectangle( m_penGC, &rect ); + gdk_gc_set_clip_rectangle( m_brushGC, &rect ); + gdk_gc_set_clip_rectangle( m_textGC, &rect ); + gdk_gc_set_clip_rectangle( m_bgGC, &rect ); +} + +void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion ) +{ + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + + if (region.Empty()) + { + DestroyClippingRegion(); + return; + } + + wxCoord x,y,w,h; + region.GetBox( x, y, w, h ); + + wxDC::DoSetClippingRegion( x, y, w, h ); + + 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() +{ + wxCHECK_RET( Ok(), wxT("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() +{ + Destroy(); + m_ok = TRUE; + m_logicalFunction = wxCOPY; + m_penGC = gdk_gc_new( m_window ); + 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 ); +*/ + 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 ); + hatch_bitmap[1] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cdiag_bits, cdiag_width, cdiag_height ); + hatch_bitmap[2] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, fdiag_bits, fdiag_width, fdiag_height ); + hatch_bitmap[3] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cross_bits, cross_width, cross_height ); + hatch_bitmap[4] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, horiz_bits, horiz_width, horiz_height ); + hatch_bitmap[5] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, verti_bits, verti_width, verti_height ); + } +} + +void wxWindowDC::Destroy() +{ + if (m_penGC) gdk_gc_unref( m_penGC ); + m_penGC = (GdkGC*) NULL; + if (m_brushGC) gdk_gc_unref( m_brushGC ); + m_brushGC = (GdkGC*) NULL; + if (m_textGC) gdk_gc_unref( m_textGC ); + m_textGC = (GdkGC*) NULL; + if (m_bgGC) gdk_gc_unref( m_bgGC ); + m_bgGC = (GdkGC*) NULL; +} + +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 ); } - - 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; }; - }; - - GdkCapStyle capStyle = GDK_CAP_ROUND; - switch (m_pen.GetCap()) - { - case wxCAP_ROUND: { capStyle = (width <= 1) ? GDK_CAP_NOT_LAST : GDK_CAP_ROUND; break; }; - 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()) - { - case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; }; - 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() ); -}; - -void wxPaintDC::SetBrush( const wxBrush &brush ) -{ - if (!Ok()) return; - - if (m_brush == brush) return; - - m_brush = brush; - - if (!m_brush.Ok()) 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 ); - - if (m_brush.GetStyle() == wxSTIPPLE) - { - gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() ); - }; - - if (IS_HATCH(m_brush.GetStyle())) - { - int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH; - gdk_gc_set_stipple( m_brushGC, hatches[num] ); - }; -}; +} -void wxPaintDC::SetLogicalFunction( int function ) +// Resolution in pixels per logical inch +wxSize wxWindowDC::GetPPI() const { - 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; - }; - m_logicalFunction = function; - gdk_gc_set_function( m_penGC, mode ); - gdk_gc_set_function( m_brushGC, mode ); -}; - -void wxPaintDC::SetTextForeground( const wxColour &col ) -{ - if (!Ok()) return; - - if (m_textForegroundColour == col) return; - - m_textForegroundColour = col; - if (!m_textForegroundColour.Ok()) return; - - m_textForegroundColour.CalcPixel( m_cmap ); - gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() ); -}; - -void wxPaintDC::SetTextBackground( const wxColour &col ) -{ - if (!Ok()) return; - - if (m_textBackgroundColour == col) return; - - m_textBackgroundColour = col; - if (!m_textBackgroundColour.Ok()) return; - - m_textBackgroundColour.CalcPixel( m_cmap ); - gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() ); -}; - -void wxPaintDC::SetBackgroundMode( int mode ) -{ - m_backgroundMode = mode; -}; - -void wxPaintDC::SetPalette( const wxPalette& WXUNUSED(palette) ) -{ -}; - -void wxPaintDC::SetClippingRegion( long x, long y, long width, long height ) -{ - wxDC::SetClippingRegion( x, y, width, height ); - - GdkRectangle rect; - rect.x = XLOG2DEV(x); - rect.y = YLOG2DEV(y); - rect.width = XLOG2DEV(x+width); - rect.height = YLOG2DEV(y+height); - gdk_gc_set_clip_rectangle( m_penGC, &rect ); - gdk_gc_set_clip_rectangle( m_brushGC, &rect ); - gdk_gc_set_clip_rectangle( m_textGC, &rect ); - gdk_gc_set_clip_rectangle( m_bgGC, &rect ); - -}; - -void wxPaintDC::DestroyClippingRegion(void) -{ - wxDC::DestroyClippingRegion(); - - gdk_gc_set_clip_rectangle( m_penGC, NULL ); - gdk_gc_set_clip_rectangle( m_brushGC, NULL ); - gdk_gc_set_clip_rectangle( m_textGC, NULL ); - gdk_gc_set_clip_rectangle( m_bgGC, NULL ); -}; - -void wxPaintDC::SetUpDC(void) -{ - m_ok = TRUE; - m_logicalFunction = wxCOPY; - m_penGC = gdk_gc_new( m_window ); - m_brushGC = gdk_gc_new( m_window ); - m_textGC = gdk_gc_new( m_window ); - m_bgGC = gdk_gc_new( m_window ); - SetTextForeground( m_textForegroundColour ); - SetTextBackground( m_textBackgroundColour ); - SetPen( m_pen ); - SetFont( m_font ); - SetBrush( m_brush ); - - gdk_gc_set_background( m_penGC, wxWHITE->GetColor() ); - - if (!hatch_bitmap) - { - hatch_bitmap = hatches; - hatch_bitmap[0] = gdk_bitmap_create_from_data( NULL, bdiag_bits, bdiag_width, bdiag_height ); - hatch_bitmap[1] = gdk_bitmap_create_from_data( NULL, cdiag_bits, cdiag_width, cdiag_height ); - hatch_bitmap[2] = gdk_bitmap_create_from_data( NULL, fdiag_bits, fdiag_width, fdiag_height ); - hatch_bitmap[3] = gdk_bitmap_create_from_data( NULL, cross_bits, cross_width, cross_height ); - hatch_bitmap[4] = gdk_bitmap_create_from_data( NULL, horiz_bits, horiz_width, horiz_height ); - hatch_bitmap[5] = gdk_bitmap_create_from_data( NULL, verti_bits, verti_width, verti_height ); - }; -}; + return wxSize(100, 100); +} -GdkWindow *wxPaintDC::GetWindow(void) +int wxWindowDC::GetDepth() const { - return m_window; -}; + wxFAIL_MSG(wxT("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, @@ -772,8 +1527,8 @@ 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 */ @@ -789,16 +1544,16 @@ 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); - } + } } } @@ -813,7 +1568,7 @@ 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; @@ -837,7 +1592,7 @@ 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; @@ -873,8 +1628,10 @@ static void wx_spline_draw_point_array(wxDC *dc) } } -void wxPaintDC::DrawOpenSpline( wxList *points ) +void wxWindowDC::DoDrawSpline( wxList *points ) { + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxPoint *p; double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4; double x1, y1, x2, y2; @@ -900,10 +1657,10 @@ void wxPaintDC::DrawOpenSpline( 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; @@ -911,8 +1668,8 @@ void wxPaintDC::DrawOpenSpline( 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; } @@ -921,4 +1678,39 @@ void wxPaintDC::DrawOpenSpline( wxList *points ) wx_spline_add_point( x2, y2 ); wx_spline_draw_point_array( this ); -}; +} + +#endif // wxUSE_SPLINE + +//----------------------------------------------------------------------------- +// wxPaintDC +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxWindowDC) + +wxPaintDC::wxPaintDC() + : wxWindowDC() +{ +} + +wxPaintDC::wxPaintDC( wxWindow *win ) + : wxWindowDC( win ) +{ +} + +//----------------------------------------------------------------------------- +// wxClientDC +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC) + +wxClientDC::wxClientDC() + : wxWindowDC() +{ +} + +wxClientDC::wxClientDC( wxWindow *win ) + : wxWindowDC( win ) +{ +} +