X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/91b8de8dee3e7ae3c4edc0ab0923b84bba20d9c4..e72b421324f29e199e3321245fa5a92136233a85:/src/gtk1/dcclient.cpp diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp index 649070a915..84ad260e39 100644 --- a/src/gtk1/dcclient.cpp +++ b/src/gtk1/dcclient.cpp @@ -1,10 +1,10 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dcclient.cpp +// Name: gtk/dcclient.cpp // Purpose: // Author: Robert Roebling // RCS-ID: $Id$ // Copyright: (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -14,10 +14,20 @@ #include "wx/dcclient.h" #include "wx/dcmemory.h" #include "wx/image.h" -#include +#include "wx/module.h" -#include "gdk/gdk.h" -#include "gtk/gtk.h" +#include "wx/gtk/win_gtk.h" + +#include // for floating-point functions + +#include +#include + +//----------------------------------------------------------------------------- +// local defines +//----------------------------------------------------------------------------- + +#define USE_PAINT_REGION 0 //----------------------------------------------------------------------------- // local data @@ -34,11 +44,22 @@ static GdkPixmap *hatches[num_hatches]; static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL; +extern GtkWidget *wxRootWindow; + //----------------------------------------------------------------------------- // 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 @@ -68,7 +89,7 @@ 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; @@ -84,6 +105,83 @@ void gdk_draw_bitmap (GdkDrawable *drawable, 1 ); } +//----------------------------------------------------------------------------- +// Implement Pool of Graphic contexts. Creating them takes too much time. +//----------------------------------------------------------------------------- + +enum wxPoolGCType +{ + wxGC_ERROR = 0, + wxTEXT_MONO, + wxBG_MONO, + wxPEN_MONO, + wxBRUSH_MONO, + wxTEXT_COLOUR, + wxBG_COLOUR, + wxPEN_COLOUR, + wxBRUSH_COLOUR +}; + +struct wxGC +{ + GdkGC *m_gc; + wxPoolGCType m_type; + bool m_used; +}; + +static wxGC wxGCPool[200]; + +static void wxInitGCPool() +{ + memset( wxGCPool, 0, 200*sizeof(wxGC) ); +} + +static void wxCleanUpGCPool() +{ + for (int i = 0; i < 200; i++) + { + if (wxGCPool[i].m_gc) + gdk_gc_unref( wxGCPool[i].m_gc ); + } +} + +static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type ) +{ + for (int i = 0; i < 200; i++) + { + if (!wxGCPool[i].m_gc) + { + wxGCPool[i].m_gc = gdk_gc_new( window ); + gdk_gc_set_exposures( wxGCPool[i].m_gc, FALSE ); + wxGCPool[i].m_type = type; + wxGCPool[i].m_used = FALSE; + } + if ((!wxGCPool[i].m_used) && (wxGCPool[i].m_type == type)) + { + wxGCPool[i].m_used = TRUE; + return wxGCPool[i].m_gc; + } + } + + wxFAIL_MSG( wxT("No GC available") ); + + return (GdkGC*) NULL; +} + +static void wxFreePoolGC( GdkGC *gc ) +{ + for (int i = 0; i < 200; i++) + { + if (wxGCPool[i].m_gc == gc) + { + wxGCPool[i].m_used = FALSE; + return; + } + } + + wxFAIL_MSG( wxT("Wrong GC") ); +} + //----------------------------------------------------------------------------- // wxWindowDC //----------------------------------------------------------------------------- @@ -110,29 +208,37 @@ wxWindowDC::wxWindowDC( wxWindow *window ) m_cmap = (GdkColormap *) NULL; m_owner = (wxWindow *)NULL; m_isMemDC = FALSE; - - wxASSERT_MSG( window, _T("DC needs a window") ); - + m_font = window->GetFont(); + + wxASSERT_MSG( window, wxT("DC needs a window") ); + GtkWidget *widget = window->m_wxwindow; - - wxASSERT_MSG( widget, _T("DC needs a widget") ); - - m_window = widget->window; - + + // some controls don't have m_wxwindow - like wxStaticBox, but the user + // code should still be able to create wxClientDCs for them, so we will + // use the parent window here then + if ( !widget ) + { + window = window->GetParent(); + 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; + m_ok = TRUE; + + return; } - - if (window->m_wxwindow) - m_cmap = gtk_widget_get_colormap( window->m_wxwindow ); - else - m_cmap = gtk_widget_get_colormap( window->m_widget ); - + + m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget ); + SetUpDC(); /* this must be done after SetUpDC, bacause SetUpDC calls the @@ -141,7 +247,7 @@ wxWindowDC::wxWindowDC( wxWindow *window ) and this might not be desired as the standard dc background is white whereas a window might assume gray to be the standard (as e.g. wxStatusBar) */ - + m_owner = window; } @@ -150,79 +256,167 @@ wxWindowDC::~wxWindowDC() Destroy(); } -void wxWindowDC::DoFloodFill( long WXUNUSED(x), long WXUNUSED(y), +void wxWindowDC::SetUpDC() +{ + m_ok = TRUE; + + wxASSERT_MSG( !m_penGC, wxT("GCs already created") ); + + if (m_isMemDC && (((wxMemoryDC*)this)->m_selected.GetDepth() == 1)) + { + m_penGC = wxGetPoolGC( m_window, wxPEN_MONO ); + m_brushGC = wxGetPoolGC( m_window, wxBRUSH_MONO ); + m_textGC = wxGetPoolGC( m_window, wxTEXT_MONO ); + m_bgGC = wxGetPoolGC( m_window, wxBG_MONO ); + } + else + { + m_penGC = wxGetPoolGC( m_window, wxPEN_COLOUR ); + m_brushGC = wxGetPoolGC( m_window, wxBRUSH_COLOUR ); + m_textGC = wxGetPoolGC( m_window, wxTEXT_COLOUR ); + m_bgGC = wxGetPoolGC( m_window, wxBG_COLOUR ); + } + + /* background colour */ + m_backgroundBrush = *wxWHITE_BRUSH; + m_backgroundBrush.GetColour().CalcPixel( m_cmap ); + GdkColor *bg_col = m_backgroundBrush.GetColour().GetColor(); + + /* m_textGC */ + m_textForegroundColour.CalcPixel( m_cmap ); + gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() ); + + m_textBackgroundColour.CalcPixel( m_cmap ); + gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() ); + + gdk_gc_set_fill( m_textGC, GDK_SOLID ); + + /* m_penGC */ + m_pen.GetColour().CalcPixel( m_cmap ); + gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() ); + gdk_gc_set_background( m_penGC, bg_col ); + + gdk_gc_set_line_attributes( m_penGC, 0, GDK_LINE_SOLID, GDK_CAP_NOT_LAST, GDK_JOIN_ROUND ); + + + /* m_brushGC */ + m_brush.GetColour().CalcPixel( m_cmap ); + gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() ); + gdk_gc_set_background( m_brushGC, bg_col ); + + gdk_gc_set_fill( m_brushGC, GDK_SOLID ); + + + /* m_bgGC */ + gdk_gc_set_background( m_bgGC, bg_col ); + gdk_gc_set_foreground( m_bgGC, bg_col ); + + gdk_gc_set_fill( m_bgGC, GDK_SOLID ); + + /* ROPs */ + gdk_gc_set_function( m_textGC, GDK_COPY ); + gdk_gc_set_function( m_brushGC, GDK_COPY ); + gdk_gc_set_function( m_penGC, GDK_COPY ); + + /* clipping */ + 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 ); + + 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::DoFloodFill( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style) ) { - wxFAIL_MSG( _T("wxWindowDC::DoFloodFill not implemented") ); + wxFAIL_MSG( wxT("wxWindowDC::DoFloodFill not implemented") ); } -bool wxWindowDC::DoGetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const +bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const { - wxFAIL_MSG( _T("wxWindowDC::DoGetPixel not implemented") ); - return FALSE; + // Generic (and therefore rather inefficient) method. + // Could be improved. + wxMemoryDC memdc; + wxBitmap bitmap(1, 1); + memdc.SelectObject(bitmap); + memdc.Blit(0, 0, 1, 1, (wxDC*) this, x1, y1); + memdc.SelectObject(wxNullBitmap); + wxImage image(bitmap); + col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0)); + return TRUE; } -void wxWindowDC::DoDrawLine( long x1, long y1, long x2, long y2 ) +void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + 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) ); - + CalcBoundingBox(x1, y1); CalcBoundingBox(x2, y2); } } -void wxWindowDC::DoCrossHair( long x, long y ) +void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + if (m_pen.GetStyle() != wxTRANSPARENT) { int w = 0; int h = 0; GetSize( &w, &h ); - long xx = XLOG2DEV(x); - long yy = YLOG2DEV(y); + 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) ); - } + } } } -void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2, - long xc, long yc ) +void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, + wxCoord xc, wxCoord yc ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - - long xx1 = XLOG2DEV(x1); - long yy1 = YLOG2DEV(y1); - long xx2 = XLOG2DEV(x2); - long yy2 = YLOG2DEV(y2); - long xxc = XLOG2DEV(xc); - long yyc = YLOG2DEV(yc); - double dx = xx1 - xxc; + 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(dx*dx+dy*dy); - long r = (long)radius; + double radius = sqrt((double)(dx*dx+dy*dy)); + wxCoord r = (wxCoord)radius; double radius1, radius2; - if (xx1 == xx2 && yy1 == yy2) + if (xx1 == xx2 && yy1 == yy2) { radius1 = 0.0; radius2 = 360.0; - } - else - if (radius == 0.0) + } + else + if (radius == 0.0) { radius1 = radius2 = 0.0; - } - else + } + else { radius1 = (xx1 - xxc == 0) ? (yy1 - yyc < 0) ? 90.0 : -90.0 : @@ -231,8 +425,8 @@ void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2, (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); + 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; @@ -240,121 +434,130 @@ void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2, { if (m_brush.GetStyle() != wxTRANSPARENT) gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); - + if (m_pen.GetStyle() != wxTRANSPARENT) gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); } - + CalcBoundingBox (x1, y1); CalcBoundingBox (x2, y2); } -void wxWindowDC::DoDrawEllipticArc( long x, long y, long width, long height, double sa, double ea ) +void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - - long xx = XLOG2DEV(x); - long yy = YLOG2DEV(y); - long ww = m_signX * XLOG2DEVREL(width); - long hh = m_signY * YLOG2DEVREL(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) { - long start = long(sa * 64.0); - long end = long(ea * 64.0); - + 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 ); } - + CalcBoundingBox (x, y); CalcBoundingBox (x + width, y + height); } -void wxWindowDC::DoDrawPoint( long x, long y ) +void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window) gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) ); - + CalcBoundingBox (x, y); } -void wxWindowDC::DoDrawLines( int n, wxPoint points[], long xoffset, long yoffset ) +void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + 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++) { - 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); - if (m_window) + 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[], long xoffset, long yoffset, int WXUNUSED(fillStyle) ) +void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + 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_brush.GetStyle() != wxTRANSPARENT) - gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n); - + + 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, + 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( long x, long y, long width, long height ) +void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); + 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); - 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; @@ -364,28 +567,36 @@ void wxWindowDC::DoDrawRectangle( long x, long y, long width, long height ) 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) + 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( long x, long y, long width, long height, double radius ) +void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + 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); + + 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; } @@ -414,7 +625,7 @@ void wxWindowDC::DoDrawRoundedRectangle( long x, long y, long width, long height { // CMB: ensure dd is not larger than rectangle otherwise we // get an hour glass shape - long dd = 2 * rr; + wxCoord dd = 2 * rr; if (dd > ww) dd = ww; if (dd > hh) dd = hh; rr = dd / 2; @@ -428,9 +639,9 @@ void wxWindowDC::DoDrawRoundedRectangle( long x, long y, long width, long height 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 ); @@ -439,124 +650,180 @@ void wxWindowDC::DoDrawRoundedRectangle( long x, long y, long width, long height 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( long x, long y, long width, long height ) +void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - - long xx = XLOG2DEV(x); - long yy = YLOG2DEV(y); - long ww = m_signX * XLOG2DEVREL(width); - long hh = m_signY * YLOG2DEVREL(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, long x, long y ) +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, - long x, long y, + wxCoord x, wxCoord y, bool useMask ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - - wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") ); - + 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); + + /* compare to current clipping region */ + if (!m_currentClippingRegion.IsEmpty()) + { + wxRegion tmp( xx,yy,ww,hh ); + tmp.Intersect( m_currentClippingRegion ); + if (tmp.IsEmpty()) + return; + } /* scale bitmap if required */ - wxBitmap use_bitmap; - if ((w != ww) || (h != hh)) { wxImage image( bitmap ); - image = image.Scale( ww, hh ); - - use_bitmap = image.ConvertToBitmap(); + image.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) - { - gdk_gc_set_clip_mask( m_penGC, mask ); - gdk_gc_set_clip_origin( m_penGC, xx, yy ); - } - - /* draw XPixmap or XBitmap, depending on what the wxBitmap contains */ - - GdkPixmap *pm = use_bitmap.GetPixmap(); - if (pm) - { - gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 ); - } - else - { - GdkBitmap *bm = use_bitmap.GetBitmap(); - if (bm) + + if (useMask && mask) { - gdk_draw_bitmap( m_window, m_penGC, bm, 0, 0, xx, yy, -1, -1 ); + GdkBitmap *new_mask = (GdkBitmap*) NULL; + if (!m_currentClippingRegion.IsEmpty()) + { + GdkColor col; + new_mask = gdk_pixmap_new( wxRootWindow->window, ww, hh, 1 ); + GdkGC *gc = gdk_gc_new( new_mask ); + col.pixel = 0; + gdk_gc_set_foreground( gc, &col ); + gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh ); + col.pixel = 0; + gdk_gc_set_background( gc, &col ); + col.pixel = 1; + gdk_gc_set_foreground( gc, &col ); + gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_origin( gc, -xx, -yy ); + gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED ); + gdk_gc_set_stipple( gc, mask ); + gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh ); +/* + gdk_gc_set_clip_mask( m_brushGC, NULL ); + gdk_gc_set_clip_mask( m_textGC, NULL ); + SetBrush( *wxRED_BRUSH ); + DrawRectangle( 70, 0, 70, 1000 ); + gdk_draw_bitmap( m_window, m_textGC, new_mask, 0, 0, 100, 5, ww, hh ); + gdk_draw_bitmap( m_window, m_textGC, mask, 0, 0, 80, 5, ww, hh ); +*/ + gdk_gc_unref( gc ); + } + + if (is_mono) + { + if (new_mask) + gdk_gc_set_clip_mask( m_textGC, new_mask ); + else + gdk_gc_set_clip_mask( m_textGC, mask ); + gdk_gc_set_clip_origin( m_textGC, xx, yy ); + } + else + { + if (new_mask) + gdk_gc_set_clip_mask( m_penGC, new_mask ); + else + gdk_gc_set_clip_mask( m_penGC, mask ); + gdk_gc_set_clip_origin( m_penGC, xx, yy ); + } + if (new_mask) + gdk_bitmap_unref( new_mask ); } - } - + + /* 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 (useMask && mask) { - gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); - gdk_gc_set_clip_origin( m_penGC, 0, 0 ); + if (is_mono) + { + gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL ); + gdk_gc_set_clip_origin( m_textGC, 0, 0 ); + if (!m_currentClippingRegion.IsEmpty()) + gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); + } + else + { + gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); + gdk_gc_set_clip_origin( m_penGC, 0, 0 ); + if (!m_currentClippingRegion.IsEmpty()) + gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); + } } } -bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height, - wxDC *source, long xsrc, long ysrc, +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 @@ -564,27 +831,28 @@ bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height, of the source dc, but scales correctly on the target dc and knows about possible mask information in a memory dc. */ - wxCHECK_MSG( Ok(), FALSE, _T("invalid window dc") ); - - wxCHECK_MSG( source, FALSE, _T("invalid source 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 @@ -597,15 +865,16 @@ bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height, /* 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 + /* 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; } @@ -614,94 +883,131 @@ bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height, use_bitmap_method = FALSE; } } - + CalcBoundingBox( xdest, ydest ); CalcBoundingBox( xdest + width, ydest + height ); - + + /* scale/translate size and position */ + wxCoord xx = XLOG2DEV(xdest); + wxCoord yy = YLOG2DEV(ydest); + + wxCoord ww = XLOG2DEVREL(width); + wxCoord hh = YLOG2DEVREL(height); + + /* compare to current clipping region */ + if (!m_currentClippingRegion.IsEmpty()) + { + wxRegion tmp( xx,yy,ww,hh ); + tmp.Intersect( m_currentClippingRegion ); + if (tmp.IsEmpty()) + return TRUE; + } + int old_logical_func = m_logicalFunction; SetLogicalFunction( logical_func ); - + if (use_bitmap_method) { /* scale/translate bitmap size */ - - long bm_width = memDC->m_selected.GetWidth(); - long bm_height = memDC->m_selected.GetHeight(); - - long bm_ww = XLOG2DEVREL( bm_width ); - long bm_hh = YLOG2DEVREL( bm_height ); - + 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 ); - - use_bitmap = image.ConvertToBitmap(); + + 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 */ - - long xx = XLOG2DEV(xdest); - long yy = YLOG2DEV(ydest); - - long ww = XLOG2DEVREL(width); - long hh = YLOG2DEVREL(height); - + /* apply mask if any */ - GdkBitmap *mask = (GdkBitmap *) NULL; if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap(); - - if (useMask && mask) + + if (useMask && mask) { - gdk_gc_set_clip_mask( m_penGC, mask ); - gdk_gc_set_clip_origin( m_penGC, xx, yy ); - } + GdkBitmap *new_mask = (GdkBitmap*) NULL; + if (!m_currentClippingRegion.IsEmpty()) + { + GdkColor col; + new_mask = gdk_pixmap_new( wxRootWindow->window, bm_ww, bm_hh, 1 ); + GdkGC *gc = gdk_gc_new( new_mask ); + col.pixel = 0; + gdk_gc_set_foreground( gc, &col ); + gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh ); + col.pixel = 0; + gdk_gc_set_background( gc, &col ); + col.pixel = 1; + gdk_gc_set_foreground( gc, &col ); + gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_origin( gc, -xx, -yy ); + gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED ); + gdk_gc_set_stipple( gc, mask ); + gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh ); + gdk_gc_unref( gc ); + } - /* draw XPixmap or XBitmap, depending on what the wxBitmap contains */ - - GdkPixmap *pm = use_bitmap.GetPixmap(); - if (pm) - { - gdk_draw_pixmap( m_window, m_penGC, pm, xsrc, ysrc, xx, yy, ww, hh ); - } - else - { - GdkBitmap *bm = use_bitmap.GetBitmap(); - if (bm) + if (is_mono) + { + if (new_mask) + gdk_gc_set_clip_mask( m_textGC, new_mask ); + else + gdk_gc_set_clip_mask( m_textGC, mask ); + gdk_gc_set_clip_origin( m_textGC, xx, yy ); + } + else { - /* 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 ); + if (new_mask) + gdk_gc_set_clip_mask( m_penGC, new_mask ); + else + gdk_gc_set_clip_mask( m_penGC, mask ); + gdk_gc_set_clip_origin( m_penGC, xx, yy ); } + if (new_mask) + gdk_bitmap_unref( new_mask ); } - + + /* 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 (useMask && mask) { - gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); - gdk_gc_set_clip_origin( m_penGC, 0, 0 ); + if (is_mono) + { + gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL ); + gdk_gc_set_clip_origin( m_textGC, 0, 0 ); + if (!m_currentClippingRegion.IsEmpty()) + gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); + } + else + { + gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL ); + gdk_gc_set_clip_origin( m_penGC, 0, 0 ); + if (!m_currentClippingRegion.IsEmpty()) + gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); + } } } else /* use_bitmap_method */ { - /* scale/translate size and position */ - - long xx = XLOG2DEV(xdest); - long yy = YLOG2DEV(ydest); - - long ww = XLOG2DEVREL(width); - long hh = YLOG2DEVREL(height); - if ((width != ww) || (height != hh)) { /* draw source window into a bitmap as we cannot scale @@ -716,30 +1022,30 @@ bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height, 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, + 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 ); @@ -750,22 +1056,24 @@ bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height, return TRUE; } -void wxWindowDC::DoDrawText( const wxString &text, long x, long y ) +void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); + 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) { - long width = gdk_string_width( font, text.mbc_str() ); - long height = font->ascent + font->descent; + 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() ); @@ -777,57 +1085,175 @@ void wxWindowDC::DoDrawText( const wxString &text, long x, long y ) properties (see wxXt implementation) */ if (m_font.GetUnderlined()) { - long width = gdk_string_width( font, text.mbc_str() ); - long ul_y = y + font->ascent; + 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); } - - long w, h; + + wxCoord w, h; GetTextExtent (text, &w, &h); CalcBoundingBox (x + w, y + h); CalcBoundingBox (x, y); } -void wxWindowDC::GetTextExtent( const wxString &string, long *width, long *height, - long *descent, long *externalLeading, - wxFont *theFont ) const +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) = long(gdk_string_width( font, string.mbc_str() ) / m_scaleX); - if (height) (*height) = long((font->ascent + font->descent) / m_scaleY); - if (descent) (*descent) = long(font->descent / m_scaleY); + if (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; // ?? } -long wxWindowDC::GetCharWidth() const +wxCoord wxWindowDC::GetCharWidth() const { GdkFont *font = m_font.GetInternalFont( m_scaleY ); - return long(gdk_string_width( font, "H" ) / m_scaleX); + wxCHECK_MSG( font, -1, wxT("invalid font") ); + + return wxCoord(gdk_string_width( font, "H" ) / m_scaleX); } -long wxWindowDC::GetCharHeight() const +wxCoord wxWindowDC::GetCharHeight() const { GdkFont *font = m_font.GetInternalFont( m_scaleY ); - return long((font->ascent + font->descent) / m_scaleY); + wxCHECK_MSG( font, -1, wxT("invalid font") ); + + return wxCoord((font->ascent + font->descent) / m_scaleY); } void wxWindowDC::Clear() { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + 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; @@ -852,99 +1278,190 @@ void wxWindowDC::SetFont( const wxFont &font ) void wxWindowDC::SetPen( const wxPen &pen ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + 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(); - // CMB: if width is non-zero scale it with the dc if (width <= 0) { + // CMB: if width is non-zero scale it with the dc width = 1; } else { // X doesn't allow different width in x and y and so we take // the average - double w = 0.5 + (abs(XLOG2DEVREL(width)) + abs(YLOG2DEVREL(width))) / 2.0; + double w = 0.5 + + ( fabs((double) XLOG2DEVREL(width)) + + fabs((double) YLOG2DEVREL(width)) ) / 2.0; width = (int)w; } - + + static const char dotted[] = {1, 1}; + static const char short_dashed[] = {2, 2}; + static const char 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 wxSOLID: { lineStyle = GDK_LINE_SOLID; break; } - case wxDOT: { lineStyle = GDK_LINE_ON_OFF_DASH; break; } - case wxLONG_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; } - case wxSHORT_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; } - case wxDOT_DASH: { lineStyle = GDK_LINE_DOUBLE_DASH; break; } + case wxUSER_DASH: + { + lineStyle = GDK_LINE_ON_OFF_DASH; + req_nb_dash = m_pen.GetDashCount(); + req_dash = m_pen.GetDash(); + break; + } + case wxDOT: + { + lineStyle = GDK_LINE_ON_OFF_DASH; + req_nb_dash = 2; + req_dash = dotted; + break; + } + case wxLONG_DASH: + { + lineStyle = GDK_LINE_ON_OFF_DASH; + req_nb_dash = 2; + req_dash = 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_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; } + 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_ROUND: { joinStyle = GDK_JOIN_ROUND; 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(), _T("invalid window dc") ); - + 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() ); - - GdkFill fillStyle = GDK_SOLID; - switch (m_brush.GetStyle()) - { - case wxSOLID: - case wxTRANSPARENT: - break; - default: - fillStyle = GDK_STIPPLED; - } - - gdk_gc_set_fill( m_brushGC, fillStyle ); - + + gdk_gc_set_fill( m_brushGC, GDK_SOLID ); + if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok())) { if (m_brush.GetStipple()->GetPixmap()) - gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() ); + { + 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] ); } @@ -954,42 +1471,42 @@ void wxWindowDC::SetBackground( const wxBrush &brush ) { /* CMB 21/7/98: Added SetBackground. Sets background brush * for Clear() and bg colour for shapes filled with cross-hatch brush */ - - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + + 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() ); - - GdkFill fillStyle = GDK_SOLID; - switch (m_backgroundBrush.GetStyle()) - { - case wxSOLID: - case wxTRANSPARENT: - break; - default: - fillStyle = GDK_STIPPLED; - } - - gdk_gc_set_fill( m_bgGC, fillStyle ); - - if (m_backgroundBrush.GetStyle() == wxSTIPPLE) + + gdk_gc_set_fill( m_bgGC, GDK_SOLID ); + + if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok())) { - gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() ); + if (m_backgroundBrush.GetStipple()->GetPixmap()) + { + gdk_gc_set_fill( m_bgGC, GDK_TILED ); + gdk_gc_set_tile( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() ); + } + else + { + gdk_gc_set_fill( m_bgGC, GDK_STIPPLED ); + gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetBitmap() ); + } } - + if (IS_HATCH(m_backgroundBrush.GetStyle())) { + gdk_gc_set_fill( m_bgGC, GDK_STIPPLED ); int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH; gdk_gc_set_stipple( m_bgGC, hatches[num] ); } @@ -997,9 +1514,14 @@ void wxWindowDC::SetBackground( const wxBrush &brush ) void wxWindowDC::SetLogicalFunction( int function ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - - if (m_logicalFunction == function) return; + 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) @@ -1012,74 +1534,77 @@ void wxWindowDC::SetLogicalFunction( int function ) 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; + 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( _T("unsupported logical function") ); - break; - } + { + wxFAIL_MSG( wxT("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 ); + + // to stay compatible with wxMSW, we don't apply ROPs to the text + // operations (i.e. DrawText/DrawRotatedText). + // True, but mono-bitmaps use the m_textGC and they use ROPs as well. gdk_gc_set_function( m_textGC, mode ); } void wxWindowDC::SetTextForeground( const wxColour &col ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + 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() ); } void wxWindowDC::SetTextBackground( const wxColour &col ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + if (m_textBackgroundColour == col) return; - + m_textBackgroundColour = col; if (!m_textBackgroundColour.Ok()) return; - + if (!m_window) return; - + m_textBackgroundColour.CalcPixel( m_cmap ); gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() ); } void wxWindowDC::SetBackgroundMode( int mode ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + 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, @@ -1089,120 +1614,104 @@ void wxWindowDC::SetBackgroundMode( int mode ) void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) ) { - wxFAIL_MSG( _T("wxWindowDC::SetPalette not implemented") ); + wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") ); } -void wxWindowDC::DoSetClippingRegion( long x, long y, long width, long height ) +void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxDC::DoSetClippingRegion( x, y, width, height ); - + if (!m_window) return; - - GdkRectangle rect; + + wxRect 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 ); + + m_currentClippingRegion.Clear(); + m_currentClippingRegion.Union( rect ); +#if USE_PAINT_REGION + if (!m_paintClippingRegion.IsEmpty()) + m_currentClippingRegion.Intersect( m_paintClippingRegion ); +#endif + + gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() ); } void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + 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() ); + m_currentClippingRegion.Clear(); + m_currentClippingRegion.Union( region ); +#if USE_PAINT_REGION + if (!m_paintClippingRegion.IsEmpty()) + m_currentClippingRegion.Intersect( m_paintClippingRegion ); +#endif + + gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() ); } void wxWindowDC::DestroyClippingRegion() { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + 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 ); + m_currentClippingRegion.Clear(); - 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) + if (!m_paintClippingRegion.IsEmpty()) + m_currentClippingRegion.Union( m_paintClippingRegion ); + + if (!m_window) return; + + if (m_currentClippingRegion.IsEmpty()) { - 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 ); + 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 ); + } + else + { + gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() ); } } void wxWindowDC::Destroy() { - if (m_penGC) gdk_gc_unref( m_penGC ); + if (m_penGC) wxFreePoolGC( m_penGC ); m_penGC = (GdkGC*) NULL; - if (m_brushGC) gdk_gc_unref( m_brushGC ); + if (m_brushGC) wxFreePoolGC( m_brushGC ); m_brushGC = (GdkGC*) NULL; - if (m_textGC) gdk_gc_unref( m_textGC ); + if (m_textGC) wxFreePoolGC( m_textGC ); m_textGC = (GdkGC*) NULL; - if (m_bgGC) gdk_gc_unref( m_bgGC ); + if (m_bgGC) wxFreePoolGC( m_bgGC ); m_bgGC = (GdkGC*) NULL; } @@ -1234,7 +1743,7 @@ wxSize wxWindowDC::GetPPI() const int wxWindowDC::GetDepth() const { - wxFAIL_MSG(_T("not implemented")); + wxFAIL_MSG(wxT("not implemented")); return -1; } @@ -1357,8 +1866,8 @@ static void wx_spline_draw_point_array(wxDC *dc) void wxWindowDC::DoDrawSpline( wxList *points ) { - wxCHECK_RET( Ok(), _T("invalid window dc") ); - + wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxPoint *p; double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4; double x1, y1, x2, y2; @@ -1423,6 +1932,18 @@ wxPaintDC::wxPaintDC() wxPaintDC::wxPaintDC( wxWindow *win ) : wxWindowDC( win ) { +#if USE_PAINT_REGION + if (!win->GetUpdateRegion().IsEmpty()) + { + m_paintClippingRegion = win->GetUpdateRegion(); + m_currentClippingRegion.Union( m_paintClippingRegion ); + + gdk_gc_set_clip_region( m_penGC, m_paintClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_brushGC, m_paintClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_textGC, m_paintClippingRegion.GetRegion() ); + gdk_gc_set_clip_region( m_bgGC, m_paintClippingRegion.GetRegion() ); + } +#endif } //----------------------------------------------------------------------------- @@ -1441,3 +1962,29 @@ wxClientDC::wxClientDC( wxWindow *win ) { } +// ---------------------------------------------------------------------------- +// wxDCModule +// ---------------------------------------------------------------------------- + +class wxDCModule : public wxModule +{ +public: + bool OnInit(); + void OnExit(); + +private: + DECLARE_DYNAMIC_CLASS(wxDCModule) +}; + +IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule) + +bool wxDCModule::OnInit() +{ + wxInitGCPool(); + return TRUE; +} + +void wxDCModule::OnExit() +{ + wxCleanUpGCPool(); +}