+#define IS_15_PIX_HATCH(s) ((s)==wxCROSSDIAG_HATCH || (s)==wxHORIZONTAL_HATCH || (s)==wxVERTICAL_HATCH)
+#define IS_16_PIX_HATCH(s) ((s)!=wxCROSSDIAG_HATCH && (s)!=wxHORIZONTAL_HATCH && (s)!=wxVERTICAL_HATCH)
+
+
+static GdkPixmap *hatches[num_hatches];
+static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
+
+extern GtkWidget *wxRootWindow;
+
+//-----------------------------------------------------------------------------
+// constants
+//-----------------------------------------------------------------------------
+
+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_wx_draw_bitmap (GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkDrawable *src,
+ gint xsrc,
+ gint ysrc,
+ gint xdest,
+ gint ydest,
+ gint width,
+ gint height)
+{
+ gint src_width, src_height;
+#ifndef __WXGTK20__
+ GdkWindowPrivate *drawable_private;
+ GdkWindowPrivate *src_private;
+ GdkGCPrivate *gc_private;
+#endif
+
+ g_return_if_fail (drawable != NULL);
+ g_return_if_fail (src != NULL);
+ g_return_if_fail (gc != NULL);
+
+#ifdef __WXGTK20__
+ if (GDK_WINDOW_DESTROYED(drawable) || GDK_WINDOW_DESTROYED(src))
+ return;
+
+ gdk_drawable_get_size(src, &src_width, &src_height);
+#else
+ drawable_private = (GdkWindowPrivate*) drawable;
+ src_private = (GdkWindowPrivate*) src;
+ if (drawable_private->destroyed || src_private->destroyed)
+ return;
+
+ src_width = src_private->width;
+ src_height = src_private->height;
+
+ gc_private = (GdkGCPrivate*) gc;
+#endif
+
+ if (width == -1) width = src_width;
+ if (height == -1) height = src_height;
+
+#ifdef __WXGTK20__
+ XCopyPlane( GDK_WINDOW_XDISPLAY(drawable),
+ GDK_WINDOW_XID(src),
+ GDK_WINDOW_XID(drawable),
+ GDK_GC_XGC(gc),
+ xsrc, ysrc,
+ width, height,
+ xdest, ydest,
+ 1 );
+#else
+ XCopyPlane( drawable_private->xdisplay,
+ src_private->xwindow,
+ drawable_private->xwindow,
+ gc_private->xgc,
+ xsrc, ysrc,
+ width, height,
+ xdest, ydest,
+ 1 );
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// Implement Pool of Graphic contexts. Creating them takes too much time.
+//-----------------------------------------------------------------------------
+
+#define GC_POOL_SIZE 200
+
+enum wxPoolGCType
+{
+ wxGC_ERROR = 0,
+ wxTEXT_MONO,
+ wxBG_MONO,
+ wxPEN_MONO,
+ wxBRUSH_MONO,
+ wxTEXT_COLOUR,
+ wxBG_COLOUR,
+ wxPEN_COLOUR,
+ wxBRUSH_COLOUR,
+ wxTEXT_SCREEN,
+ wxBG_SCREEN,
+ wxPEN_SCREEN,
+ wxBRUSH_SCREEN
+};
+
+struct wxGC
+{
+ GdkGC *m_gc;
+ wxPoolGCType m_type;
+ bool m_used;
+};
+
+static wxGC wxGCPool[GC_POOL_SIZE];
+
+static void wxInitGCPool()
+{
+ memset( wxGCPool, 0, GC_POOL_SIZE*sizeof(wxGC) );
+}
+
+static void wxCleanUpGCPool()
+{
+ for (int i = 0; i < GC_POOL_SIZE; 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 < GC_POOL_SIZE; 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 < GC_POOL_SIZE; i++)
+ {
+ if (wxGCPool[i].m_gc == gc)
+ {
+ wxGCPool[i].m_used = FALSE;
+ return;
+ }
+ }
+
+ wxFAIL_MSG( wxT("Wrong GC") );
+}
+
+//-----------------------------------------------------------------------------
+// wxWindowDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
+
+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_isScreenDC = FALSE;
+ m_owner = (wxWindow *)NULL;
+#ifdef __WXGTK20__
+ m_context = (PangoContext *)NULL;
+ m_fontdesc = (PangoFontDescription *)NULL;
+#endif
+}
+
+wxWindowDC::wxWindowDC( wxWindow *window )
+{
+ 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_isScreenDC = FALSE;
+ m_font = window->GetFont();
+
+ wxASSERT_MSG( window, wxT("DC needs a window") );
+
+ GtkWidget *widget = window->m_wxwindow;
+
+ // 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") );
+
+#ifdef __WXGTK20__
+ m_context = gtk_widget_get_pango_context( widget );
+ m_fontdesc = widget->style->font_desc;
+#endif
+
+ GtkPizza *pizza = GTK_PIZZA( widget );
+ m_window = pizza->bin_window;
+
+ /* not realized ? */
+ if (!m_window)
+ {
+ /* don't report problems */
+ m_ok = TRUE;
+
+ return;
+ }
+
+ m_cmap = gtk_widget_get_colormap( widget ? widget : 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;
+}
+
+wxWindowDC::~wxWindowDC()
+{
+ Destroy();
+}
+
+void wxWindowDC::SetUpDC()
+{
+ m_ok = TRUE;
+
+ wxASSERT_MSG( !m_penGC, wxT("GCs already created") );
+
+ if (m_isScreenDC)
+ {
+ m_penGC = wxGetPoolGC( m_window, wxPEN_SCREEN );
+ m_brushGC = wxGetPoolGC( m_window, wxBRUSH_SCREEN );
+ m_textGC = wxGetPoolGC( m_window, wxTEXT_SCREEN );
+ m_bgGC = wxGetPoolGC( m_window, wxBG_SCREEN );
+ }
+ else
+ 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( wxT("wxWindowDC::DoFloodFill not implemented") );
+}
+
+bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
+{
+ // 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( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord 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) );
+
+ CalcBoundingBox(x1, y1);
+ CalcBoundingBox(x2, y2);
+ }
+}
+
+void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ 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) );
+ }
+ }
+}
+
+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;
+
+ if (m_window)
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ 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 );
+
+ gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc );
+ gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 );
+ }
+ }
+
+ CalcBoundingBox (x1, y1);
+ CalcBoundingBox (x2, y2);
+}
+
+void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )
+{
+ 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-sa) * 64.0);
+
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, start, end );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ 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( wxCoord x, wxCoord y )
+{
+ 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[], 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() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_polygon( m_window, m_textGC, TRUE, gdkpoints, n );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n );
+ }
+ }
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ for (i = 0 ; i < n ; i++)
+ {
+ gdk_draw_line( m_window, m_penGC,
+ gdkpoints[i%n].x,
+ gdkpoints[i%n].y,
+ gdkpoints[(i+1)%n].x,
+ gdkpoints[(i+1)%n].y);
+ }
+ }
+ }
+
+ delete[] gdkpoints;
+}
+
+void wxWindowDC::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() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy, ww, hh );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ 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)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ 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 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ 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 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ 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 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ 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+1, yy, xx+ww-rr, yy );
+ gdk_draw_line( m_window, m_penGC, xx+rr+1, yy+hh, xx+ww-rr, yy+hh );
+ gdk_draw_line( m_window, m_penGC, xx, yy+rr+1, xx, yy+hh-rr );
+ gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr+1, 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)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ 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);
+
+ /* compare to current clipping region */
+ if (!m_currentClippingRegion.IsNull())
+ {
+ 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.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)
+ {
+ GdkBitmap *new_mask = (GdkBitmap*) NULL;
+ if (!m_currentClippingRegion.IsNull())
+ {
+ 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_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_wx_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 );
+ if (!m_currentClippingRegion.IsNull())
+ 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.IsNull())
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ }
+ }
+}
+
+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 );
+
+ /* 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.IsNull())
+ {
+ 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 */
+ 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;
+ }
+
+ /* apply mask if any */
+ GdkBitmap *mask = (GdkBitmap *) NULL;
+ if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+ if (useMask && mask)
+ {
+ GdkBitmap *new_mask = (GdkBitmap*) NULL;
+ if (!m_currentClippingRegion.IsNull())
+ {
+ 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 );
+ }
+
+ 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_wx_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 );
+ if (!m_currentClippingRegion.IsNull())
+ 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.IsNull())
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ }
+ }
+ }
+ else /* use_bitmap_method */
+ {
+ 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 );
+
+ /* copy including child window contents */
+ gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
+ gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0,
+ srcDC->GetWindow(),
+ xsrc, ysrc, width, height );
+ gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
+
+ /* 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 */
+
+ /* copy including child window contents */
+ gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
+ gdk_window_copy_area( m_window, m_penGC, xx, yy,
+ srcDC->GetWindow(),
+ xsrc, ysrc, width, height );
+ gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
+ }
+ }
+
+ 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") );
+
+#ifdef __WXGTK20__
+ wxCHECK_RET( m_context, wxT("no Pango context") );
+#endif
+
+ x = XLOG2DEV(x);
+ y = YLOG2DEV(y);
+
+#ifdef __WXGTK20__
+ /* FIXME: the layout engine should probably be abstracted at a higher level in wxDC... */
+ PangoLayout *layout = pango_layout_new(m_context);
+ pango_layout_set_font_description(layout, m_fontdesc);
+ {
+ wxWX2MBbuf data = text.mb_str(wxConvUTF8);
+ pango_layout_set_text(layout, data, strlen(data));
+ }
+ PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
+ PangoRectangle rect;
+ pango_layout_line_get_extents(line, NULL, &rect);
+ wxCoord width = rect.width;
+ wxCoord height = rect.height;
+ gdk_draw_layout( m_window, m_textGC, x, y, layout );
+#else
+ wxCoord width = gdk_string_width( font, text.mbc_str() );
+ wxCoord height = font->ascent + font->descent;
+ /* CMB 21/5/98: draw text background if mode is wxSOLID */
+ if (m_backgroundMode == wxSOLID)
+ {
+ 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() );
+#endif
+
+ /* 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 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);
+ }
+
+#ifdef __WXGTK20__
+ g_object_unref( G_OBJECT( layout ) );
+#endif
+
+ width = wxCoord(width / m_scaleX);
+ height = wxCoord(height / m_scaleY);
+ CalcBoundingBox (x + width, y + height);
+ 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;
projects / wxWidgets.git / blobdiff