// Name: dcclient.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Copyright: (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#include "wx/dcclient.h"
#include "wx/dcmemory.h"
+#include "wx/image.h"
+#include "wx/gtk/win_gtk.h"
+
+#include <math.h> // for floating-point functions
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
//-----------------------------------------------------------------------------
// local data
#define num_hatches 6
static GdkPixmap *hatches[num_hatches];
-static GdkPixmap **hatch_bitmap = NULL;
+static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
-#define RAD2DEG 57.2957795131
+const double RAD2DEG = 180.0 / M_PI;
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static inline double dmax(double a, double b) { return a > b ? a : b; }
+static inline double dmin(double a, double b) { return a < b ? a : b; }
+
+static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
//-----------------------------------------------------------------------------
// temporary implementation of the missing GDK function
//-----------------------------------------------------------------------------
+
#include "gdk/gdkprivate.h"
-void gdk_draw_bitmap (GdkDrawable *drawable,
- GdkGC *gc,
- GdkDrawable *src,
- gint xsrc,
- gint ysrc,
- gint xdest,
- gint ydest,
- gint width,
- gint height)
-{
- GdkWindowPrivate *drawable_private;
- GdkWindowPrivate *src_private;
- GdkGCPrivate *gc_private;
-
- g_return_if_fail (drawable != NULL);
- g_return_if_fail (src != NULL);
- g_return_if_fail (gc != NULL);
-
- drawable_private = (GdkWindowPrivate*) drawable;
- src_private = (GdkWindowPrivate*) src;
- if (drawable_private->destroyed || src_private->destroyed)
- return;
- gc_private = (GdkGCPrivate*) gc;
-
- if (width == -1)
- width = src_private->width;
- if (height == -1)
- height = src_private->height;
-
- XCopyPlane (drawable_private->xdisplay,
- src_private->xwindow,
- drawable_private->xwindow,
- gc_private->xgc,
- xsrc, ysrc,
- width, height,
- xdest, ydest,
- 1);
+
+void gdk_draw_bitmap (GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkDrawable *src,
+ gint xsrc,
+ gint ysrc,
+ gint xdest,
+ gint ydest,
+ gint width,
+ gint height)
+{
+ GdkWindowPrivate *drawable_private;
+ GdkWindowPrivate *src_private;
+ GdkGCPrivate *gc_private;
+
+ g_return_if_fail (drawable != NULL);
+ g_return_if_fail (src != NULL);
+ g_return_if_fail (gc != NULL);
+
+ drawable_private = (GdkWindowPrivate*) drawable;
+ src_private = (GdkWindowPrivate*) src;
+ if (drawable_private->destroyed || src_private->destroyed)
+ return;
+
+ gc_private = (GdkGCPrivate*) gc;
+
+ if (width == -1) width = src_private->width;
+ if (height == -1) height = src_private->height;
+
+ XCopyPlane( drawable_private->xdisplay,
+ src_private->xwindow,
+ drawable_private->xwindow,
+ gc_private->xgc,
+ xsrc, ysrc,
+ width, height,
+ xdest, ydest,
+ 1 );
}
//-----------------------------------------------------------------------------
-// wxPaintDC
+// wxWindowDC
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxDC)
+IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
-wxPaintDC::wxPaintDC(void)
+wxWindowDC::wxWindowDC()
{
-};
+ m_penGC = (GdkGC *) NULL;
+ m_brushGC = (GdkGC *) NULL;
+ m_textGC = (GdkGC *) NULL;
+ m_bgGC = (GdkGC *) NULL;
+ m_cmap = (GdkColormap *) NULL;
+ m_isMemDC = FALSE;
+ m_owner = (wxWindow *)NULL;
+}
-wxPaintDC::wxPaintDC( wxWindow *window )
+wxWindowDC::wxWindowDC( wxWindow *window )
{
- if (!window) return;
- GtkWidget *widget = window->m_wxwindow;
- if (!widget) return;
- m_window = widget->window;
- if (!m_window) return;
- if (window->m_wxwindow)
- m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
- else
- m_cmap = gtk_widget_get_colormap( window->m_widget );
-
- m_isDrawable = TRUE;
-
- SetUpDC();
-
- long x = 0;
- long y = 0;
- window->GetDrawingOffset( &x, &y );
- SetInternalDeviceOrigin( -x, -y );
-};
+ m_penGC = (GdkGC *) NULL;
+ m_brushGC = (GdkGC *) NULL;
+ m_textGC = (GdkGC *) NULL;
+ m_bgGC = (GdkGC *) NULL;
+ m_cmap = (GdkColormap *) NULL;
+ m_owner = (wxWindow *)NULL;
+ m_isMemDC = FALSE;
+ m_font = window->GetFont();
+
+ wxASSERT_MSG( window, wxT("DC needs a window") );
+
+ GtkWidget *widget = window->m_wxwindow;
+
+ wxASSERT_MSG( widget, wxT("DC needs a widget") );
+
+ GtkPizza *pizza = GTK_PIZZA( widget );
+ m_window = pizza->bin_window;
+
+ /* not realized ? */
+ if (!m_window)
+ {
+ /* don't report problems */
+ m_ok = TRUE;
-wxPaintDC::~wxPaintDC(void)
+ return;
+ }
+
+ if (window->m_wxwindow)
+ m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
+ else
+ m_cmap = gtk_widget_get_colormap( window->m_widget );
+
+ SetUpDC();
+
+ /* this must be done after SetUpDC, bacause SetUpDC calls the
+ repective SetBrush, SetPen, SetBackground etc functions
+ to set up the DC. SetBackground call m_owner->SetBackground
+ and this might not be desired as the standard dc background
+ is white whereas a window might assume gray to be the
+ standard (as e.g. wxStatusBar) */
+
+ m_owner = window;
+}
+
+wxWindowDC::~wxWindowDC()
{
-};
+ Destroy();
+}
-void wxPaintDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1),
- wxColour *WXUNUSED(col), int WXUNUSED(style) )
+void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+ const wxColour &WXUNUSED(col), int WXUNUSED(style) )
{
-};
+ wxFAIL_MSG( wxT("wxWindowDC::DoFloodFill not implemented") );
+}
-bool wxPaintDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
+bool wxWindowDC::DoGetPixel( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
{
- return FALSE;
-};
+ wxFAIL_MSG( wxT("wxWindowDC::DoGetPixel not implemented") );
+ return FALSE;
+}
-void wxPaintDC::DrawLine( long x1, long y1, long x2, long y2 )
+void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
{
- if (!Ok()) return;
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- {
- gdk_draw_line( m_window, m_penGC,
- XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
- };
-};
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
-void wxPaintDC::CrossHair( long x, long y )
+ 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 )
{
- if (!Ok()) return;
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- {
- int w = 0;
- int h = 0;
- GetSize( &w, &h );
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- gdk_draw_line( m_window, m_penGC,
- 0, yy, XLOG2DEVREL(w), yy );
- gdk_draw_line( m_window, m_penGC,
- xx, 0, xx, YLOG2DEVREL(h) );
- };
-};
-
-void wxPaintDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
-{
- if (!Ok()) return;
-
- long xx1 = XLOG2DEV(x1);
- long yy1 = YLOG2DEV(y1);
- long xx2 = XLOG2DEV(x2);
- long yy2 = YLOG2DEV(y2);
- long xxc = XLOG2DEV((long)xc);
- long yyc = YLOG2DEV((long)yc);
- double dx = xx1 - xxc;
- double dy = yy1 - yyc;
- double radius = sqrt(dx*dx+dy*dy);
- long r = (long)radius;
- double radius1, radius2;
-
- if (xx1 == xx2 && yy1 == yy2)
- {
- radius1 = 0.0;
- radius2 = 360.0;
- }
- else
- if (radius == 0.0)
- {
- radius1 = radius2 = 0.0;
- }
- else
- {
- radius1 = (xx1 - xxc == 0) ?
- (yy1 - yyc < 0) ? 90.0 : -90.0 :
- -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
- radius2 = (xx2 - xxc == 0) ?
- (yy2 - yyc < 0) ? 90.0 : -90.0 :
- -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
- };
- long alpha1 = long(radius1 * 64.0);
- long alpha2 = long((radius2 - radius1) * 64.0);
- while (alpha2 <= 0) alpha2 += 360*64;
- while (alpha1 > 360*64) alpha1 -= 360*64;
-
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
-
-};
-
-void wxPaintDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
-{
- if (!Ok()) return;
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
-
- // CMB: handle -ve width and/or height
- if (ww < 0) { ww = -ww; xx = xx - ww; }
- if (hh < 0) { hh = -hh; yy = yy - hh; }
-
- long start = long(sa * 64.0);
- long end = long(ea * 64.0);
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
-};
-
-void wxPaintDC::DrawPoint( long x, long y )
-{
- if (!Ok()) return;
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
-};
-
-void wxPaintDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
-{
- if (!Ok()) return;
-
- if (m_pen.GetStyle() == wxTRANSPARENT) return;
-
- for (int i = 0; i < n-1; i++)
- {
- long x1 = XLOG2DEV(points[i].x + xoffset);
- long x2 = XLOG2DEV(points[i+1].x + xoffset);
- long y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste
- long y2 = YLOG2DEV(points[i+1].y + yoffset);
- gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
- };
-};
-
-void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset )
-{
- if (!Ok()) return;
-
- if (m_pen.GetStyle() == wxTRANSPARENT) return;
-
- wxNode *node = points->First();
- while (node->Next())
- {
- wxPoint *point = (wxPoint*)node->Data();
- wxPoint *npoint = (wxPoint*)node->Next()->Data();
- long x1 = XLOG2DEV(point->x + xoffset);
- long x2 = XLOG2DEV(npoint->x + xoffset);
- long y1 = YLOG2DEV(point->y + yoffset); // and again...
- long y2 = YLOG2DEV(npoint->y + yoffset);
- gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
- node = node->Next();
- };
-};
-
-void wxPaintDC::DrawPolygon( int WXUNUSED(n), wxPoint WXUNUSED(points)[],
- long WXUNUSED(xoffset), long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
-{
- if (!Ok()) return;
-};
-
-void wxPaintDC::DrawPolygon( wxList *WXUNUSED(lines), long WXUNUSED(xoffset),
- long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
-{
- if (!Ok()) return;
-};
-
-void wxPaintDC::DrawRectangle( long x, long y, long width, long height )
-{
- if (!Ok()) return;
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
-
- // CMB: draw nothing if transformed w or h is 0
- if (ww == 0 || hh == 0) return;
-
- // CMB: handle -ve width and/or height
- if (ww < 0) { ww = -ww; xx = xx - ww; }
- if (hh < 0) { hh = -hh; yy = yy - hh; }
-
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
-};
-
-void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
-{
- if (!Ok()) return;
-
- if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
- long rr = XLOG2DEVREL((long)radius);
-
- // CMB: handle -ve width and/or height
- if (ww < 0) { ww = -ww; xx = xx - ww; }
- if (hh < 0) { hh = -hh; yy = yy - hh; }
-
- // CMB: if radius is zero use DrawRectangle() instead to avoid
- // X drawing errors with small radii
- if (rr == 0)
- {
- DrawRectangle( x, y, width, height );
- return;
- }
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ int w = 0;
+ int h = 0;
+ GetSize( &w, &h );
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ if (m_window)
+ {
+ gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
+ gdk_draw_line( m_window, m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
+ }
+ }
+}
- // CMB: draw nothing if transformed w or h is 0
- if (ww == 0 || hh == 0) return;
+void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
+ wxCoord xc, wxCoord yc )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ wxCoord xx1 = XLOG2DEV(x1);
+ wxCoord yy1 = YLOG2DEV(y1);
+ wxCoord xx2 = XLOG2DEV(x2);
+ wxCoord yy2 = YLOG2DEV(y2);
+ wxCoord xxc = XLOG2DEV(xc);
+ wxCoord yyc = YLOG2DEV(yc);
+ double dx = xx1 - xxc;
+ double dy = yy1 - yyc;
+ double radius = sqrt((double)(dx*dx+dy*dy));
+ wxCoord r = (wxCoord)radius;
+ double radius1, radius2;
+
+ if (xx1 == xx2 && yy1 == yy2)
+ {
+ radius1 = 0.0;
+ radius2 = 360.0;
+ }
+ else
+ if (radius == 0.0)
+ {
+ radius1 = radius2 = 0.0;
+ }
+ else
+ {
+ radius1 = (xx1 - xxc == 0) ?
+ (yy1 - yyc < 0) ? 90.0 : -90.0 :
+ -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
+ radius2 = (xx2 - xxc == 0) ?
+ (yy2 - yyc < 0) ? 90.0 : -90.0 :
+ -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
+ }
+ wxCoord alpha1 = wxCoord(radius1 * 64.0);
+ wxCoord alpha2 = wxCoord((radius2 - radius1) * 64.0);
+ while (alpha2 <= 0) alpha2 += 360*64;
+ while (alpha1 > 360*64) alpha1 -= 360*64;
- // CMB: 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)
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
- // CMB: ensure dd is not larger than rectangle otherwise we
- // get an hour glass shape
- long dd = 2 * rr;
- if (dd > ww) dd = ww;
- if (dd > hh) dd = hh;
- rr = dd / 2;
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ }
- if (m_brush.GetStyle() != wxTRANSPARENT)
- {
- gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
- gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
- };
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- {
- gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
- gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
- gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
- gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
- };
-};
-
-void wxPaintDC::DrawEllipse( long x, long y, long width, long height )
-{
- if (!Ok()) return;
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
-
- // CMB: handle -ve width and/or height
- if (ww < 0) { ww = -ww; xx = xx - ww; }
- if (hh < 0) { hh = -hh; yy = yy - hh; }
-
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
-};
-
-bool wxPaintDC::CanDrawBitmap(void) const
+ CalcBoundingBox (x1, y1);
+ CalcBoundingBox (x2, y2);
+}
+
+void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )
{
- return TRUE;
-};
-
-void wxPaintDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask )
-{
- if (!Ok()) return;
-
- if (!icon.Ok()) return;
-
- int xx = XLOG2DEV(x);
- int yy = YLOG2DEV(y);
-
- GdkBitmap *mask = NULL;
- if (icon.GetMask()) mask = icon.GetMask()->GetBitmap();
-
- if (useMask && mask)
- {
- gdk_gc_set_clip_mask( m_penGC, mask );
- gdk_gc_set_clip_origin( m_penGC, xx, yy );
- };
-
- GdkPixmap *pm = icon.GetPixmap();
- gdk_draw_pixmap( m_window, m_penGC, pm, 0, 0, xx, yy, -1, -1 );
-
- if (useMask && mask)
- {
- gdk_gc_set_clip_mask( m_penGC, NULL );
- gdk_gc_set_clip_origin( m_penGC, 0, 0 );
- };
-};
-
-bool wxPaintDC::Blit( long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool WXUNUSED(useMask) )
-{
- if (!Ok()) return FALSE;
-
- // CMB 20/5/98: add blitting of bitmaps
- if (source->IsKindOf(CLASSINFO(wxMemoryDC)))
- {
- wxMemoryDC* srcDC = (wxMemoryDC*)source;
- GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
- if (bmap)
- {
- gdk_draw_bitmap (
- m_window,
- m_textGC,
- bmap,
- source->DeviceToLogicalX(xsrc), source->DeviceToLogicalY(ysrc),
- XLOG2DEV(xdest), YLOG2DEV(ydest),
- source->DeviceToLogicalXRel(width), source->DeviceToLogicalYRel(height)
- );
- return TRUE;
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
+
+ // CMB: handle -ve width and/or height
+ if (ww < 0) { ww = -ww; xx = xx - ww; }
+ if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+ if (m_window)
+ {
+ wxCoord start = wxCoord(sa * 64.0);
+ wxCoord end = wxCoord(ea * 64.0);
+
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
}
- }
- wxClientDC *csrc = (wxClientDC*)source;
- gdk_window_copy_area ( m_window, m_penGC,
- XLOG2DEV(xdest), YLOG2DEV(ydest),
- csrc->GetWindow(),
- source->DeviceToLogicalX(xsrc), source->DeviceToLogicalY(ysrc),
- source->DeviceToLogicalXRel(width), source->DeviceToLogicalYRel(height) );
-
-/*
- gdk_window_copy_area ( m_window, m_penGC,
- XLOG2DEV(xdest), YLOG2DEV(ydest),
- csrc->GetWindow(),
- xsrc, ysrc,
- width, height );
-*/
-
- return TRUE;
-};
+ CalcBoundingBox (x, y);
+ CalcBoundingBox (x + width, y + height);
+}
-void wxPaintDC::DrawText( const wxString &text, long x, long y, bool
-WXUNUSED(use16) )
+void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )
{
- if (!Ok()) return;
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
+ gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
- x = XLOG2DEV(x);
- y = YLOG2DEV(y);
+ CalcBoundingBox (x, y);
+}
- // CMB 21/5/98: draw text background if mode is wxSOLID
- if (m_backgroundMode == wxSOLID)
- {
- long width = gdk_string_width( font, text );
- long height = font->ascent + font->descent;
- gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
- gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
+void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_pen.GetStyle() == wxTRANSPARENT) return;
+ if (n <= 0) return;
+
+ CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
+
+ for (int i = 0; i < n-1; i++)
+ {
+ wxCoord x1 = XLOG2DEV(points[i].x + xoffset);
+ wxCoord x2 = XLOG2DEV(points[i+1].x + xoffset);
+ wxCoord y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste
+ wxCoord y2 = YLOG2DEV(points[i+1].y + yoffset);
+
+ if (m_window)
+ gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
+
+ CalcBoundingBox( points[i+1].x + xoffset, points[i+1].y + yoffset );
+ }
+}
+
+void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (n <= 0) return;
+
+ GdkPoint *gdkpoints = new GdkPoint[n+1];
+ int i;
+ for (i = 0 ; i < n ; i++)
+ {
+ gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset);
+ gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset);
+
+ CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset );
+ }
+
+ if (m_window)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ gdk_draw_polygon (m_window, m_textGC, TRUE, gdkpoints, n);
+ else
+ {
+ if ((m_brush.GetStyle() != wxTRANSPARENT))
+ gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
+ }
+ }
+
+ // To do: Fillstyle
+
+ if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
+ {
+ for (i = 0 ; i < n ; i++)
+ {
+ gdk_draw_line( m_window, m_penGC,
+ gdkpoints[i%n].x,
+ gdkpoints[i%n].y,
+ gdkpoints[(i+1)%n].x,
+ gdkpoints[(i+1)%n].y);
+ }
+ }
+
+ delete[] gdkpoints;
+}
+
+void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
+
+ // CMB: draw nothing if transformed w or h is 0
+ if (ww == 0 || hh == 0) return;
+
+ // CMB: handle -ve width and/or height
+ if (ww < 0) { ww = -ww; xx = xx - ww; }
+ if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+ if (m_window)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy, ww, hh );
+ gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+ }
+ else
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+ }
+ }
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
+}
+
+void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
+
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
+ wxCoord rr = XLOG2DEVREL((wxCoord)radius);
+
+ // CMB: handle -ve width and/or height
+ if (ww < 0) { ww = -ww; xx = xx - ww; }
+ if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+ // CMB: if radius is zero use DrawRectangle() instead to avoid
+ // X drawing errors with small radii
+ if (rr == 0)
+ {
+ DrawRectangle( x, y, width, height );
+ return;
+ }
+
+ // CMB: draw nothing if transformed w or h is 0
+ if (ww == 0 || hh == 0) return;
+
+ // CMB: adjust size if outline is drawn otherwise the result is
+ // 1 pixel too wide and high
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ ww--;
+ hh--;
+ }
+
+ if (m_window)
+ {
+ // CMB: ensure dd is not larger than rectangle otherwise we
+ // get an hour glass shape
+ wxCoord dd = 2 * rr;
+ if (dd > ww) dd = ww;
+ if (dd > hh) dd = hh;
+ rr = dd / 2;
+
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ }
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
+ gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
+ gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
+ gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ }
+ }
+
+ // this ignores the radius
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
+}
+
+void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
+
+ // CMB: handle -ve width and/or height
+ if (ww < 0) { ww = -ww; xx = xx - ww; }
+ if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+ if (m_window)
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
+ }
+
+ CalcBoundingBox( x - width, y - height );
+ CalcBoundingBox( x + width, y + height );
+}
+
+void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
+{
+ // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
+ DoDrawBitmap( (const wxBitmap&)icon, x, y, (bool)TRUE );
+}
+
+void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
+ wxCoord x, wxCoord y,
+ bool useMask )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
+
+ bool is_mono = (bitmap.GetBitmap() != NULL);
+
+ /* scale/translate size and position */
+
+ int xx = XLOG2DEV(x);
+ int yy = YLOG2DEV(y);
+
+ int w = bitmap.GetWidth();
+ int h = bitmap.GetHeight();
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + w, y + h );
+
+ if (!m_window) return;
+
+ int ww = XLOG2DEVREL(w);
+ int hh = YLOG2DEVREL(h);
+
+ /* scale bitmap if required */
+
+ wxBitmap use_bitmap;
+
+ if ((w != ww) || (h != hh))
+ {
+ wxImage image( bitmap );
+ image.Rescale( ww, hh );
+ if (is_mono)
+ use_bitmap = image.ConvertToMonoBitmap(255,255,255);
+ else
+ use_bitmap = image.ConvertToBitmap();
+ }
+ else
+ {
+ use_bitmap = bitmap;
+ }
+
+ /* apply mask if any */
+
+ GdkBitmap *mask = (GdkBitmap *) NULL;
+ if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+ if (useMask && mask)
+ {
+ if (is_mono)
+ {
+ gdk_gc_set_clip_mask( m_textGC, mask );
+ gdk_gc_set_clip_origin( m_textGC, xx, yy );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_penGC, mask );
+ gdk_gc_set_clip_origin( m_penGC, xx, yy );
+ }
+ }
+
+ /* Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
+ drawing a mono-bitmap (XBitmap) we use the current text GC */
+ if (is_mono)
+ gdk_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), 0, 0, xx, yy, -1, -1 );
+ else
+ gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+
+ /* remove mask again if any */
+
+ if (useMask && mask)
+ {
+ if (is_mono)
+ {
+ gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+ }
+ }
+}
+
+bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+ wxDC *source, wxCoord xsrc, wxCoord ysrc,
+ int logical_func, bool useMask )
+{
+ /* this is the nth try to get this utterly useless function to
+ work. it now completely ignores the scaling or translation
+ of the source dc, but scales correctly on the target dc and
+ knows about possible mask information in a memory dc. */
+
+ wxCHECK_MSG( Ok(), FALSE, wxT("invalid window dc") );
+
+ wxCHECK_MSG( source, FALSE, wxT("invalid source dc") );
+
+ if (!m_window) return FALSE;
+
+ wxClientDC *srcDC = (wxClientDC*)source;
+ wxMemoryDC *memDC = (wxMemoryDC*)source;
+
+ bool use_bitmap_method = FALSE;
+ bool is_mono = FALSE;
+
+ if (srcDC->m_isMemDC)
+ {
+ if (!memDC->m_selected.Ok()) return FALSE;
+
+ /* we use the "XCopyArea" way to copy a memory dc into
+ y different window if the memory dc BOTH
+ a) doesn't have any mask or its mask isn't used
+ b) it is clipped
+ c) is not 1-bit */
+
+ if (useMask && (memDC->m_selected.GetMask()))
+ {
+ /* we HAVE TO use the direct way for memory dcs
+ that have mask since the XCopyArea doesn't know
+ about masks */
+ use_bitmap_method = TRUE;
+ }
+ else if (memDC->m_selected.GetDepth() == 1)
+ {
+ /* we HAVE TO use the direct way for memory dcs
+ that are bitmaps because XCopyArea doesn't cope
+ with different bit depths */
+ is_mono = TRUE;
+ use_bitmap_method = TRUE;
+ }
+ else if ((xsrc == 0) && (ysrc == 0) &&
+ (width == memDC->m_selected.GetWidth()) &&
+ (height == memDC->m_selected.GetHeight()))
+ {
+ /* we SHOULD use the direct way if all of the bitmap
+ in the memory dc is copied in which case XCopyArea
+ wouldn't be able able to boost performace by reducing
+ the area to be scaled */
+ use_bitmap_method = TRUE;
+ }
+ else
+ {
+ use_bitmap_method = FALSE;
+ }
+ }
+
+ CalcBoundingBox( xdest, ydest );
+ CalcBoundingBox( xdest + width, ydest + height );
+
+ int old_logical_func = m_logicalFunction;
+ SetLogicalFunction( logical_func );
+
+ if (use_bitmap_method)
+ {
+ /* scale/translate bitmap size */
+
+ wxCoord bm_width = memDC->m_selected.GetWidth();
+ wxCoord bm_height = memDC->m_selected.GetHeight();
+
+ wxCoord bm_ww = XLOG2DEVREL( bm_width );
+ wxCoord bm_hh = YLOG2DEVREL( bm_height );
+
+ /* scale bitmap if required */
+
+ wxBitmap use_bitmap;
+
+ if ((bm_width != bm_ww) || (bm_height != bm_hh))
+ {
+ wxImage image( memDC->m_selected );
+ image = image.Scale( bm_ww, bm_hh );
+
+ if (is_mono)
+ use_bitmap = image.ConvertToMonoBitmap(255,255,255);
+ else
+ use_bitmap = image.ConvertToBitmap();
+ }
+ else
+ {
+ use_bitmap = memDC->m_selected;
+ }
+
+ /* scale/translate size and position */
+
+ wxCoord xx = XLOG2DEV(xdest);
+ wxCoord yy = YLOG2DEV(ydest);
+
+ wxCoord ww = XLOG2DEVREL(width);
+ wxCoord hh = YLOG2DEVREL(height);
+
+ /* apply mask if any */
+
+ GdkBitmap *mask = (GdkBitmap *) NULL;
+ if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+ if (useMask && mask)
+ {
+ if (is_mono)
+ {
+ gdk_gc_set_clip_mask( m_textGC, mask );
+ gdk_gc_set_clip_origin( m_textGC, xx, yy );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_penGC, mask );
+ gdk_gc_set_clip_origin( m_penGC, xx, yy );
+ }
+ }
+
+ /* Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
+ drawing a mono-bitmap (XBitmap) we use the current text GC */
+ if (is_mono)
+ gdk_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh );
+ else
+ gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
+
+ /* remove mask again if any */
+
+ if (useMask && mask)
+ {
+ if (is_mono)
+ {
+ gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+ }
+ }
+ }
+ else /* use_bitmap_method */
+ {
+ /* scale/translate size and position */
+
+ wxCoord xx = XLOG2DEV(xdest);
+ wxCoord yy = YLOG2DEV(ydest);
+
+ wxCoord ww = XLOG2DEVREL(width);
+ wxCoord hh = YLOG2DEVREL(height);
+
+ if ((width != ww) || (height != hh))
+ {
+ /* draw source window into a bitmap as we cannot scale
+ a window in contrast to a bitmap. this would actually
+ work with memory dcs as well, but we'd lose the mask
+ information and waste one step in this process since
+ a memory already has a bitmap. all this is slightly
+ inefficient as we could take an XImage directly from
+ an X window, but we'd then also have to care that
+ the window is not outside the screen (in which case
+ we'd get a BadMatch or what not).
+ Is a double XGetImage and combined XGetPixel and
+ XPutPixel really faster? I'm not sure. look at wxXt
+ for a different implementation of the same problem. */
+
+ wxBitmap bitmap( width, height );
+ gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0,
+ srcDC->GetWindow(),
+ xsrc, ysrc, width, height );
+
+ /* scale image */
+
+ wxImage image( bitmap );
+ image = image.Scale( ww, hh );
+
+ /* convert to bitmap */
+
+ bitmap = image.ConvertToBitmap();
+
+ /* draw scaled bitmap */
+
+ gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+
+ }
+ else
+ {
+ /* no scaling and not a memory dc with a mask either */
+
+ gdk_window_copy_area( m_window, m_penGC, xx, yy,
+ srcDC->GetWindow(),
+ xsrc, ysrc, width, height );
+ }
+ }
+
+ SetLogicalFunction( old_logical_func );
+ return TRUE;
+}
+
+void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+
+ wxCHECK_RET( font, wxT("invalid font") );
+
+ x = XLOG2DEV(x);
+ y = YLOG2DEV(y);
+
+ /* CMB 21/5/98: draw text background if mode is wxSOLID */
+ if (m_backgroundMode == wxSOLID)
+ {
+ wxCoord width = gdk_string_width( font, text.mbc_str() );
+ wxCoord height = font->ascent + font->descent;
+ gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
+ gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+ }
+ gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text.mbc_str() );
+
+ /* CMB 17/7/98: simple underline: ignores scaling and underlying
+ X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
+ properties (see wxXt implementation) */
+ if (m_font.GetUnderlined())
+ {
+ wxCoord width = gdk_string_width( font, text.mbc_str() );
+ wxCoord ul_y = y + font->ascent;
+ if (font->descent > 0) ul_y++;
+ gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
+ }
+
+ wxCoord w, h;
+ GetTextExtent (text, &w, &h);
+ CalcBoundingBox (x + w, y + h);
+ CalcBoundingBox (x, y);
+}
+
+void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
+{
+ if (angle == 0.0)
+ {
+ DrawText(text, x, y);
+ return;
+ }
+
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+
+ wxCHECK_RET( font, wxT("invalid font") );
+
+ // the size of the text
+ wxCoord w = gdk_string_width( font, text.mbc_str() );
+ wxCoord h = font->ascent + font->descent;
+
+ // draw the string normally
+ wxBitmap src(w, h);
+ wxMemoryDC dc;
+ dc.SelectObject(src);
+ dc.SetFont(GetFont());
+ dc.SetBackground(*wxWHITE_BRUSH);
+ dc.SetBrush(*wxBLACK_BRUSH);
+ dc.Clear();
+ dc.DrawText(text, 0, 0);
+ dc.SetFont(wxNullFont);
+ dc.SelectObject(wxNullBitmap);
+
+ // Calculate the size of the rotated bounding box.
+ double rad = DegToRad(angle);
+ double dx = cos(rad),
+ dy = sin(rad);
+
+ // the rectngle vertices are counted clockwise with the first one being at
+ // (0, 0) (or, rather, at (x, y))
+ double x2 = w*dx,
+ y2 = -w*dy; // y axis points to the bottom, hence minus
+ double x4 = h*dy,
+ y4 = h*dx;
+ double x3 = x4 + x2,
+ y3 = y4 + y2;
+
+ // calc max and min
+ wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5),
+ maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5),
+ minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5),
+ minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5);
+
+ // prepare to blit-with-rotate the bitmap to the DC
+ wxImage image(src);
+
+ GdkColor *colText = m_textForegroundColour.GetColor(),
+ *colBack = m_textBackgroundColour.GetColor();
+
+ bool textColSet = TRUE;
+
+ unsigned char *data = image.GetData();
+
+ // paint pixel by pixel
+ for ( wxCoord srcX = 0; srcX < w; srcX++ )
+ {
+ for ( wxCoord srcY = 0; srcY < h; srcY++ )
+ {
+ // transform source coords to dest coords
+ double r = sqrt(srcX*srcX + srcY*srcY);
+ double angleOrig = atan2(srcY, srcX) - rad;
+ wxCoord dstX = (wxCoord)(r*cos(angleOrig) + 0.5),
+ dstY = (wxCoord)(r*sin(angleOrig) + 0.5);
+
+ // black pixel?
+ bool textPixel = data[(srcY*w + srcX)*3] == 0;
+ if ( textPixel || (m_backgroundMode == wxSOLID) )
+ {
+ // change colour if needed
+ if ( textPixel != textColSet )
+ {
+ gdk_gc_set_foreground( m_textGC, textPixel ? colText
+ : colBack );
+
+ textColSet = textPixel;
+ }
+
+ // don't use DrawPoint() because it uses the current pen
+ // colour, and we don't need it here
+ gdk_draw_point( m_window, m_textGC,
+ XLOG2DEV(x + dstX), YLOG2DEV(y + dstY) );
+ }
+ }
+ }
+
+ // it would be better to draw with non underlined font and draw the line
+ // manually here (it would be more straight...)
+#if 0
+ if ( m_font.GetUnderlined() )
+ {
+ gdk_draw_line( m_window, m_textGC,
+ XLOG2DEV(x + x4), YLOG2DEV(y + y4 + font->descent),
+ XLOG2DEV(x + x3), YLOG2DEV(y + y3 + font->descent));
+ }
+#endif // 0
+
+ // restore the font colour
+ gdk_gc_set_foreground( m_textGC, colText );
+
+ // update the bounding box
+ CalcBoundingBox(x + minX, y + minY);
+ CalcBoundingBox(x + maxX, y + maxY);
+}
+
+void wxWindowDC::DoGetTextExtent(const wxString &string,
+ wxCoord *width, wxCoord *height,
+ wxCoord *descent, wxCoord *externalLeading,
+ wxFont *theFont) const
+{
+ wxFont fontToUse = m_font;
+ if (theFont) fontToUse = *theFont;
+
+ GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
+ if (width) (*width) = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
+ if (height) (*height) = wxCoord((font->ascent + font->descent) / m_scaleY);
+ if (descent) (*descent) = wxCoord(font->descent / m_scaleY);
+ if (externalLeading) (*externalLeading) = 0; // ??
+}
+
+wxCoord wxWindowDC::GetCharWidth() const
+{
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+ return wxCoord(gdk_string_width( font, "H" ) / m_scaleX);
+}
+
+wxCoord wxWindowDC::GetCharHeight() const
+{
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+ return wxCoord((font->ascent + font->descent) / m_scaleY);
+}
+
+void wxWindowDC::Clear()
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ /* - we either are a memory dc or have a window as the
+ owner. anything else shouldn't happen.
+ - we don't use gdk_window_clear() as we don't set
+ the window's background colour anymore. it is too
+ much pain to keep the DC's and the window's back-
+ ground colour in synch. */
+
+ if (m_owner)
+ {
+ int width,height;
+ m_owner->GetSize( &width, &height );
+ gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+ return;
+ }
+
+ if (m_isMemDC)
+ {
+ int width,height;
+ GetSize( &width, &height );
+ gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+ return;
+ }
+}
+
+void wxWindowDC::SetFont( const wxFont &font )
+{
+ m_font = font;
+}
+
+void wxWindowDC::SetPen( const wxPen &pen )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_pen == pen) return;
+
+ m_pen = pen;
+
+ if (!m_pen.Ok()) return;
+
+ if (!m_window) return;
+
+ gint width = m_pen.GetWidth();
+ if (width <= 0)
+ {
+ // CMB: if width is non-zero scale it with the dc
+ width = 1;
+ }
+ else
+ {
+ // X doesn't allow different width in x and y and so we take
+ // the average
+ double w = 0.5 +
+ ( fabs((double) XLOG2DEVREL(width)) +
+ fabs((double) YLOG2DEVREL(width)) ) / 2.0;
+ width = (int)w;
+ }
+
+ static const char dotted[] = {1, 1};
+ static const char short_dashed[] = {2, 2};
+ static const char wxCoord_dashed[] = {2, 4};
+ static const char dotted_dashed[] = {3, 3, 1, 3};
+
+ // We express dash pattern in pen width unit, so we are
+ // independent of zoom factor and so on...
+ int req_nb_dash;
+ const char *req_dash;
+
+ GdkLineStyle lineStyle = GDK_LINE_SOLID;
+ switch (m_pen.GetStyle())
+ {
+ case wxUSER_DASH:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = m_pen.GetDashCount();
+ req_dash = m_pen.GetDash();
+ break;
+ }
+ case wxDOT:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 2;
+ req_dash = dotted;
+ break;
+ }
+ case wxLONG_DASH:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 2;
+ req_dash = wxCoord_dashed;
+ break;
+ }
+ case wxSHORT_DASH:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 2;
+ req_dash = short_dashed;
+ break;
+ }
+ case wxDOT_DASH:
+ {
+// lineStyle = GDK_LINE_DOUBLE_DASH;
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 4;
+ req_dash = dotted_dashed;
+ break;
+ }
+
+ case wxTRANSPARENT:
+ case wxSTIPPLE_MASK_OPAQUE:
+ case wxSTIPPLE:
+ case wxSOLID:
+ default:
+ {
+ lineStyle = GDK_LINE_SOLID;
+ req_dash = (wxDash*)NULL;
+ req_nb_dash = 0;
+ break;
+ }
+ }
+
+#if (GTK_MINOR_VERSION > 0)
+ if (req_dash && req_nb_dash)
+ {
+ char *real_req_dash = new char[req_nb_dash];
+ if (real_req_dash)
+ {
+ for (int i = 0; i < req_nb_dash; i++)
+ real_req_dash[i] = req_dash[i] * width;
+ gdk_gc_set_dashes( m_penGC, 0, real_req_dash, req_nb_dash );
+ delete[] real_req_dash;
+ }
+ else
+ {
+ // No Memory. We use non-scaled dash pattern...
+ gdk_gc_set_dashes( m_penGC, 0, (char*)req_dash, req_nb_dash );
+ }
+ }
+#endif
+
+ GdkCapStyle capStyle = GDK_CAP_ROUND;
+ switch (m_pen.GetCap())
+ {
+ case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; }
+ case wxCAP_BUTT: { capStyle = GDK_CAP_BUTT; break; }
+ case wxCAP_ROUND:
+ default:
+ {
+ if (width <= 1)
+ {
+ width = 0;
+ capStyle = GDK_CAP_NOT_LAST;
+ }
+ else
+ {
+ capStyle = GDK_CAP_ROUND;
+ }
+ break;
+ }
+ }
+
+ GdkJoinStyle joinStyle = GDK_JOIN_ROUND;
+ switch (m_pen.GetJoin())
+ {
+ case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; }
+ case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; break; }
+ case wxJOIN_ROUND:
+ default: { joinStyle = GDK_JOIN_ROUND; break; }
+ }
+
+ gdk_gc_set_line_attributes( m_penGC, width, lineStyle, capStyle, joinStyle );
+
+ m_pen.GetColour().CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
+}
+
+void wxWindowDC::SetBrush( const wxBrush &brush )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_brush == brush) return;
+
+ m_brush = brush;
+
+ if (!m_brush.Ok()) return;
+
+ if (!m_window) return;
+
+ m_brush.GetColour().CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
+
+ gdk_gc_set_fill( m_brushGC, GDK_SOLID );
+
+ if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok()))
+ {
+ if (m_brush.GetStipple()->GetPixmap())
+ {
+ gdk_gc_set_fill( m_brushGC, GDK_TILED );
+ gdk_gc_set_tile( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+ }
+ else
+ {
+ gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
+ gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetBitmap() );
+ }
+ }
+
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_fill( m_textGC, GDK_OPAQUE_STIPPLED);
+ gdk_gc_set_stipple( m_textGC, m_brush.GetStipple()->GetMask()->GetBitmap() );
+ }
+
+ if (IS_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
+ int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
+ gdk_gc_set_stipple( m_brushGC, hatches[num] );
+ }
+}
+
+void wxWindowDC::SetBackground( const wxBrush &brush )
+{
+ /* CMB 21/7/98: Added SetBackground. Sets background brush
+ * for Clear() and bg colour for shapes filled with cross-hatch brush */
+
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_backgroundBrush == brush) return;
+
+ m_backgroundBrush = brush;
+
+ if (!m_backgroundBrush.Ok()) return;
+
+ if (!m_window) return;
+
+ m_backgroundBrush.GetColour().CalcPixel( m_cmap );
+ gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
+ gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
+ gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
+ gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
+
+ gdk_gc_set_fill( m_bgGC, GDK_SOLID );
+
+ if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok()))
+ {
+ if (m_backgroundBrush.GetStipple()->GetPixmap())
+ {
+ gdk_gc_set_fill( m_bgGC, GDK_TILED );
+ gdk_gc_set_tile( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+ }
+ else
+ {
+ gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
+ gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetBitmap() );
+ }
+ }
+
+ if (IS_HATCH(m_backgroundBrush.GetStyle()))
+ {
+ gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
+ int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
+ gdk_gc_set_stipple( m_bgGC, hatches[num] );
+ }
+}
+
+void wxWindowDC::SetLogicalFunction( int function )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_logicalFunction == function)
+ return;
+
+ // VZ: shouldn't this be a CHECK?
+ if (!m_window)
+ return;
+
+ GdkFunction mode = GDK_COPY;
+ switch (function)
+ {
+ case wxXOR: mode = GDK_XOR; break;
+ case wxINVERT: mode = GDK_INVERT; break;
+#if (GTK_MINOR_VERSION > 0)
+ case wxOR_REVERSE: mode = GDK_OR_REVERSE; break;
+ case wxAND_REVERSE: mode = GDK_AND_REVERSE; break;
+ case wxCLEAR: mode = GDK_CLEAR; break;
+ case wxSET: mode = GDK_SET; break;
+ case wxOR_INVERT: mode = GDK_OR_INVERT; break;
+ case wxAND: mode = GDK_AND; break;
+ case wxOR: mode = GDK_OR; break;
+ case wxEQUIV: mode = GDK_EQUIV; break;
+ case wxNAND: mode = GDK_NAND; break;
+ case wxAND_INVERT: mode = GDK_AND_INVERT; break;
+ case wxCOPY: mode = GDK_COPY; break;
+ case wxNO_OP: mode = GDK_NOOP; break;
+ case wxSRC_INVERT: mode = GDK_COPY_INVERT; break;
+
+ // unsupported by GTK
+ case wxNOR: mode = GDK_COPY; break;
+#endif
+ default:
+ {
+ wxFAIL_MSG( wxT("unsupported logical function") );
+ break;
+ }
+ }
+
+ m_logicalFunction = function;
+
+ gdk_gc_set_function( m_penGC, mode );
+ gdk_gc_set_function( m_brushGC, mode );
+
+ // to stay compatible with wxMSW, we don't apply ROPs to the text
+ // operations (i.e. DrawText/DrawRotatedText)
+ // gdk_gc_set_function( m_textGC, mode );
+}
+
+void wxWindowDC::SetTextForeground( const wxColour &col )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_textForegroundColour == col) return;
+
+ m_textForegroundColour = col;
+ if (!m_textForegroundColour.Ok()) return;
+
+ if (!m_window) return;
+
+ m_textForegroundColour.CalcPixel( m_cmap );
gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
- }
- gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text );
+}
- // CMB 17/7/98: simple underline: ignores scaling and underlying
- // X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
- // properties (see wxXt implementation)
- if (m_font.GetUnderlined())
- {
- long width = gdk_string_width( font, text );
- long ul_y = y + font->ascent;
- if (font->descent > 0) ul_y++;
- gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
- }
-};
+void wxWindowDC::SetTextBackground( const wxColour &col )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_textBackgroundColour == col) return;
+ m_textBackgroundColour = col;
+ if (!m_textBackgroundColour.Ok()) return;
+ if (!m_window) return;
-bool wxPaintDC::CanGetTextExtent(void) const
+ m_textBackgroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+}
+
+void wxWindowDC::SetBackgroundMode( int mode )
{
- return TRUE;
-};
-
-void wxPaintDC::GetTextExtent( const wxString &string, long *width, long *height,
- long *WXUNUSED(descent), long *WXUNUSED(externalLeading),
- wxFont *WXUNUSED(theFont), bool WXUNUSED(use16) )
-{
- if (!Ok()) return;
-
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
- if (width) (*width) = long(gdk_string_width( font, string ) / m_scaleX);
- if (height) (*height) = long((font->ascent + font->descent) / m_scaleY);
-};
-
-long wxPaintDC::GetCharWidth(void)
-{
- if (!Ok()) return 0;
-
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
- return gdk_string_width( font, "H" );
-};
-
-long wxPaintDC::GetCharHeight(void)
-{
- if (!Ok()) return 0;
-
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
- return font->ascent + font->descent;
-};
-
-void wxPaintDC::Clear(void)
-{
- if (!Ok()) return;
-
- DestroyClippingRegion();
-
- if (m_isDrawable)
- {
- gdk_window_clear( m_window );
- }
- else
- {
- int width = 0;
- int height = 0;
- GetSize( &width, &height );
- gdk_draw_rectangle( m_window, m_brushGC, TRUE, 0, 0, width, height );
- };
-};
-
-void wxPaintDC::SetFont( const wxFont &font )
-{
- if (!Ok()) return;
-
- m_font = font;
-};
-
-void wxPaintDC::SetPen( const wxPen &pen )
-{
- if (!Ok()) return;
-
- if (m_pen == pen) return;
-
- m_pen = pen;
-
- if (!m_pen.Ok()) return;
-
- gint width = m_pen.GetWidth();
- // CMB: if width is non-zero scale it with the dc
- if (width <= 0)
- {
- width = 1;
- }
- else
- {
- // X doesn't allow different width in x and y and so we take
- // the average
- double w = 0.5 + (abs(XLOG2DEVREL(width)) + abs(YLOG2DEVREL(width))) / 2.0;
- width = (int)w;
- }
-
- GdkLineStyle lineStyle = GDK_LINE_SOLID;
- switch (m_pen.GetStyle())
- {
- case wxSOLID: { lineStyle = GDK_LINE_SOLID; break; };
- case wxDOT: { lineStyle = GDK_LINE_ON_OFF_DASH; break; };
- case wxLONG_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; };
- case wxSHORT_DASH: { lineStyle = GDK_LINE_ON_OFF_DASH; break; };
- case wxDOT_DASH: { lineStyle = GDK_LINE_DOUBLE_DASH; break; };
- };
-
- GdkCapStyle capStyle = GDK_CAP_ROUND;
- switch (m_pen.GetCap())
- {
- case wxCAP_ROUND: { capStyle = (width <= 1) ? GDK_CAP_NOT_LAST : GDK_CAP_ROUND; break; };
- case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; };
- case wxCAP_BUTT: { capStyle = GDK_CAP_BUTT; break; };
- };
-
- GdkJoinStyle joinStyle = GDK_JOIN_ROUND;
- switch (m_pen.GetJoin())
- {
- case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; };
- case wxJOIN_ROUND: { joinStyle = GDK_JOIN_ROUND; break; };
- case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; break; };
- };
-
- gdk_gc_set_line_attributes( m_penGC, width, lineStyle, capStyle, joinStyle );
-
- m_pen.GetColour().CalcPixel( m_cmap );
- gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
-};
-
-void wxPaintDC::SetBrush( const wxBrush &brush )
-{
- if (!Ok()) return;
-
- if (m_brush == brush) return;
-
- m_brush = brush;
-
- if (!m_brush.Ok()) return;
-
- m_brush.GetColour().CalcPixel( m_cmap );
- gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
-
- GdkFill fillStyle = GDK_SOLID;
- switch (m_brush.GetStyle())
- {
- case wxSOLID:
- case wxTRANSPARENT:
- break;
- default:
- fillStyle = GDK_STIPPLED;
- };
-
- gdk_gc_set_fill( m_brushGC, fillStyle );
-
- if (m_brush.GetStyle() == wxSTIPPLE)
- {
- gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
- };
-
- if (IS_HATCH(m_brush.GetStyle()))
- {
- int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
- gdk_gc_set_stipple( m_brushGC, hatches[num] );
- };
-};
-
-// CMB 21/7/98: Added SetBackground. Sets background brush
-// for Clear() and bg colour for shapes filled with cross-hatch brush
-void wxPaintDC::SetBackground( const wxBrush &brush )
-{
- if (!Ok()) return;
-
- if (m_backgroundBrush == brush) return;
-
- m_backgroundBrush = brush;
-
- if (!m_backgroundBrush.Ok()) return;
-
- m_backgroundBrush.GetColour().CalcPixel( m_cmap );
- gdk_gc_set_background( m_brushGC, 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_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
- };
-
- if (IS_HATCH(m_backgroundBrush.GetStyle()))
- {
- int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
- gdk_gc_set_stipple( m_bgGC, hatches[num] );
- };
-};
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ m_backgroundMode = mode;
+
+ if (!m_window) return;
-void wxPaintDC::SetLogicalFunction( int function )
+ // CMB 21/7/98: fill style of cross-hatch brushes is affected by
+ // transparent/solid background mode
+
+ if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_gc_set_fill( m_brushGC,
+ (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED);
+ }
+}
+
+void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) )
{
- if (m_logicalFunction == function) return;
- GdkFunction mode = GDK_COPY;
- switch (function)
- {
- case wxXOR: mode = GDK_INVERT; break;
- case wxINVERT: mode = GDK_INVERT; break;
- default: break;
- };
- m_logicalFunction = function;
- gdk_gc_set_function( m_penGC, mode );
- gdk_gc_set_function( m_brushGC, mode );
-};
-
-void wxPaintDC::SetTextForeground( const wxColour &col )
-{
- if (!Ok()) return;
-
- if (m_textForegroundColour == col) return;
-
- m_textForegroundColour = col;
- if (!m_textForegroundColour.Ok()) return;
-
- m_textForegroundColour.CalcPixel( m_cmap );
- gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
-};
-
-void wxPaintDC::SetTextBackground( const wxColour &col )
-{
- if (!Ok()) return;
-
- if (m_textBackgroundColour == col) return;
-
- m_textBackgroundColour = col;
- if (!m_textBackgroundColour.Ok()) return;
-
- m_textBackgroundColour.CalcPixel( m_cmap );
- gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
-};
-
-void wxPaintDC::SetBackgroundMode( int mode )
-{
- m_backgroundMode = mode;
-
- // CMB 21/7/98: fill style of cross-hatch brushes is affected by
- // transparent/solid background mode
- if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
- {
- gdk_gc_set_fill( m_brushGC,
- (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED);
+ wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") );
+}
+
+void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ wxDC::DoSetClippingRegion( x, y, width, height );
+
+ if (!m_window) return;
+
+ GdkRectangle rect;
+ rect.x = XLOG2DEV(x);
+ rect.y = YLOG2DEV(y);
+ rect.width = XLOG2DEVREL(width);
+ rect.height = YLOG2DEVREL(height);
+ gdk_gc_set_clip_rectangle( m_penGC, &rect );
+ gdk_gc_set_clip_rectangle( m_brushGC, &rect );
+ gdk_gc_set_clip_rectangle( m_textGC, &rect );
+ gdk_gc_set_clip_rectangle( m_bgGC, &rect );
+}
+
+void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (region.Empty())
+ {
+ DestroyClippingRegion();
+ return;
+ }
+
+ wxCoord x,y,w,h;
+ region.GetBox( x, y, w, h );
+
+ wxDC::DoSetClippingRegion( x, y, w, h );
+
+ if (!m_window) return;
+
+ gdk_gc_set_clip_region( m_penGC, region.GetRegion() );
+ gdk_gc_set_clip_region( m_brushGC, region.GetRegion() );
+ gdk_gc_set_clip_region( m_textGC, region.GetRegion() );
+ gdk_gc_set_clip_region( m_bgGC, region.GetRegion() );
+}
+
+void wxWindowDC::DestroyClippingRegion()
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ wxDC::DestroyClippingRegion();
+
+ if (!m_window) return;
+
+ gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
+ gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
+ gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
+ gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
+}
+
+void wxWindowDC::SetUpDC()
+{
+ Destroy();
+ m_ok = TRUE;
+ m_logicalFunction = wxCOPY;
+ m_penGC = gdk_gc_new( m_window );
+ m_brushGC = gdk_gc_new( m_window );
+ m_textGC = gdk_gc_new( m_window );
+ m_bgGC = gdk_gc_new( m_window );
+
+ wxColour tmp_col( m_textForegroundColour );
+ m_textForegroundColour = wxNullColour;
+ SetTextForeground( tmp_col );
+ tmp_col = m_textBackgroundColour;
+ m_textBackgroundColour = wxNullColour;
+ SetTextBackground( tmp_col );
+
+ wxPen tmp_pen( m_pen );
+ m_pen = wxNullPen;
+ SetPen( tmp_pen );
+
+ wxFont tmp_font( m_font );
+ m_font = wxNullFont;
+ SetFont( tmp_font );
+
+ wxBrush tmp_brush( m_brush );
+ m_brush = wxNullBrush;
+ SetBrush( tmp_brush );
+
+/*
+ tmp_brush = m_backgroundBrush;
+ m_backgroundBrush = wxNullBrush;
+ SetBackground( tmp_brush );
+*/
+ tmp_brush = m_backgroundBrush;
+ m_backgroundBrush = wxNullBrush;
+ SetBackground( *wxWHITE_BRUSH );
+ m_backgroundBrush = tmp_brush;
+
+ if (!hatch_bitmap)
+ {
+ hatch_bitmap = hatches;
+ hatch_bitmap[0] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, bdiag_bits, bdiag_width, bdiag_height );
+ hatch_bitmap[1] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cdiag_bits, cdiag_width, cdiag_height );
+ hatch_bitmap[2] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, fdiag_bits, fdiag_width, fdiag_height );
+ hatch_bitmap[3] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cross_bits, cross_width, cross_height );
+ hatch_bitmap[4] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, horiz_bits, horiz_width, horiz_height );
+ hatch_bitmap[5] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, verti_bits, verti_width, verti_height );
+ }
+}
+
+void wxWindowDC::Destroy()
+{
+ if (m_penGC) gdk_gc_unref( m_penGC );
+ m_penGC = (GdkGC*) NULL;
+ if (m_brushGC) gdk_gc_unref( m_brushGC );
+ m_brushGC = (GdkGC*) NULL;
+ if (m_textGC) gdk_gc_unref( m_textGC );
+ m_textGC = (GdkGC*) NULL;
+ if (m_bgGC) gdk_gc_unref( m_bgGC );
+ m_bgGC = (GdkGC*) NULL;
+}
+
+void wxWindowDC::ComputeScaleAndOrigin()
+{
+ /* CMB: copy scale to see if it changes */
+ double origScaleX = m_scaleX;
+ double origScaleY = m_scaleY;
+
+ wxDC::ComputeScaleAndOrigin();
+
+ /* CMB: if scale has changed call SetPen to recalulate the line width */
+ if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
+ (m_pen.Ok()))
+ {
+ /* this is a bit artificial, but we need to force wxDC to think
+ the pen has changed */
+ wxPen pen = m_pen;
+ m_pen = wxNullPen;
+ SetPen( pen );
}
-};
-
-void wxPaintDC::SetPalette( const wxPalette& WXUNUSED(palette) )
-{
-};
-
-void wxPaintDC::SetClippingRegion( long x, long y, long width, long height )
-{
- wxDC::SetClippingRegion( x, y, width, height );
-
- GdkRectangle rect;
- rect.x = XLOG2DEV(x);
- rect.y = YLOG2DEV(y);
- rect.width = XLOG2DEV(x+width);
- rect.height = YLOG2DEV(y+height);
- gdk_gc_set_clip_rectangle( m_penGC, &rect );
- gdk_gc_set_clip_rectangle( m_brushGC, &rect );
- gdk_gc_set_clip_rectangle( m_textGC, &rect );
- gdk_gc_set_clip_rectangle( m_bgGC, &rect );
-
-};
-
-void wxPaintDC::DestroyClippingRegion(void)
-{
- wxDC::DestroyClippingRegion();
-
- gdk_gc_set_clip_rectangle( m_penGC, NULL );
- gdk_gc_set_clip_rectangle( m_brushGC, NULL );
- gdk_gc_set_clip_rectangle( m_textGC, NULL );
- gdk_gc_set_clip_rectangle( m_bgGC, NULL );
-};
-
-void wxPaintDC::SetUpDC(void)
-{
- m_ok = TRUE;
- m_logicalFunction = wxCOPY;
- m_penGC = gdk_gc_new( m_window );
- m_brushGC = gdk_gc_new( m_window );
- m_textGC = gdk_gc_new( m_window );
- m_bgGC = gdk_gc_new( m_window );
- SetTextForeground( m_textForegroundColour );
- SetTextBackground( m_textBackgroundColour );
- SetPen( m_pen );
- SetFont( m_font );
- SetBrush( m_brush );
-
- gdk_gc_set_background( m_penGC, wxWHITE->GetColor() );
-
- if (!hatch_bitmap)
- {
- hatch_bitmap = hatches;
- hatch_bitmap[0] = gdk_bitmap_create_from_data( NULL, bdiag_bits, bdiag_width, bdiag_height );
- hatch_bitmap[1] = gdk_bitmap_create_from_data( NULL, cdiag_bits, cdiag_width, cdiag_height );
- hatch_bitmap[2] = gdk_bitmap_create_from_data( NULL, fdiag_bits, fdiag_width, fdiag_height );
- hatch_bitmap[3] = gdk_bitmap_create_from_data( NULL, cross_bits, cross_width, cross_height );
- hatch_bitmap[4] = gdk_bitmap_create_from_data( NULL, horiz_bits, horiz_width, horiz_height );
- hatch_bitmap[5] = gdk_bitmap_create_from_data( NULL, verti_bits, verti_width, verti_height );
- };
-};
+}
+
+// Resolution in pixels per logical inch
+wxSize wxWindowDC::GetPPI() const
+{
+ return wxSize(100, 100);
+}
-GdkWindow *wxPaintDC::GetWindow(void)
+int wxWindowDC::GetDepth() const
{
- return m_window;
-};
+ wxFAIL_MSG(wxT("not implemented"));
+
+ return -1;
+}
+#if wxUSE_SPLINES
// ----------------------------------- spline code ----------------------------------------
void wx_quadratic_spline(double a1, double b1, double a2, double b2,
double a3, double b3, double a4, double b4);
-void wx_clear_stack(void);
+void wx_clear_stack();
int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3,
double *y3, double *x4, double *y4);
void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3,
wxList wx_spline_point_list;
-#define half(z1, z2) ((z1+z2)/2.0)
-#define THRESHOLD 5
+#define half(z1, z2) ((z1+z2)/2.0)
+#define THRESHOLD 5
/* iterative version */
while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) {
xmid = (double)half(x2, x3);
ymid = (double)half(y2, y3);
- if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
- fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {
+ if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
+ fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {
wx_spline_add_point( x1, y1 );
wx_spline_add_point( xmid, ymid );
- } else {
+ } else {
wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3),
(double)half(x3, x4), (double)half(y3, y4), x4, y4);
wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2),
(double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid);
- }
+ }
}
}
static Stack *wx_stack_top;
static int wx_stack_count;
-void wx_clear_stack(void)
+void wx_clear_stack()
{
wx_stack_top = wx_spline_stack;
wx_stack_count = 0;
double *x3, double *y3, double *x4, double *y4)
{
if (wx_stack_count == 0)
- return (0);
+ return (0);
wx_stack_top--;
wx_stack_count--;
*x1 = wx_stack_top->x1;
}
}
-void wxPaintDC::DrawOpenSpline( wxList *points )
+void wxWindowDC::DoDrawSpline( wxList *points )
{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
wxPoint *p;
double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
double x1, y1, x2, y2;
while ((node = node->Next()) != NULL)
{
p = (wxPoint *)node->Data();
- x1 = x2;
- y1 = y2;
- x2 = p->x;
- y2 = p->y;
+ x1 = x2;
+ y1 = y2;
+ x2 = p->x;
+ y2 = p->y;
cx4 = (double)(x1 + x2) / 2;
cy4 = (double)(y1 + y2) / 2;
cx3 = (double)(x1 + cx4) / 2;
wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
- cx1 = cx4;
- cy1 = cy4;
+ cx1 = cx4;
+ cy1 = cy4;
cx2 = (double)(cx1 + x2) / 2;
cy2 = (double)(cy1 + y2) / 2;
}
wx_spline_add_point( x2, y2 );
wx_spline_draw_point_array( this );
-};
+}
+
+#endif // wxUSE_SPLINE
+
+//-----------------------------------------------------------------------------
+// wxPaintDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxWindowDC)
+
+wxPaintDC::wxPaintDC()
+ : wxWindowDC()
+{
+}
+
+wxPaintDC::wxPaintDC( wxWindow *win )
+ : wxWindowDC( win )
+{
+}
+
+//-----------------------------------------------------------------------------
+// wxClientDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC)
+
+wxClientDC::wxClientDC()
+ : wxWindowDC()
+{
+}
+
+wxClientDC::wxClientDC( wxWindow *win )
+ : wxWindowDC( win )
+{
+}
+
projects / wxWidgets.git / blobdiff