// Name: dcclient.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Copyright: (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/dcclient.h"
#include "wx/dcmemory.h"
+#include <math.h>
//-----------------------------------------------------------------------------
// local data
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);
+ 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::wxPaintDC(void)
{
- m_penGC = (GdkGC *) NULL;
- m_brushGC = (GdkGC *) NULL;
- m_textGC = (GdkGC *) NULL;
- m_bgGC = (GdkGC *) NULL;
- m_cmap = (GdkColormap *) NULL;
+ m_penGC = (GdkGC *) NULL;
+ m_brushGC = (GdkGC *) NULL;
+ m_textGC = (GdkGC *) NULL;
+ m_bgGC = (GdkGC *) NULL;
+ m_cmap = (GdkColormap *) NULL;
+ m_isMemDC = FALSE;
}
wxPaintDC::wxPaintDC( wxWindow *window )
{
- m_penGC = (GdkGC *) NULL;
- m_brushGC = (GdkGC *) NULL;
- m_textGC = (GdkGC *) NULL;
- m_bgGC = (GdkGC *) NULL;
- m_cmap = (GdkColormap *) NULL;
-
- 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_penGC = (GdkGC *) NULL;
+ m_brushGC = (GdkGC *) NULL;
+ m_textGC = (GdkGC *) NULL;
+ m_bgGC = (GdkGC *) NULL;
+ m_cmap = (GdkColormap *) NULL;
+
+ 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;
+ m_isMemDC = FALSE;
- SetUpDC();
+ SetUpDC();
}
wxPaintDC::~wxPaintDC(void)
{
+ Destroy();
}
void wxPaintDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1),
- wxColour *WXUNUSED(col), int WXUNUSED(style) )
+ wxColour *WXUNUSED(col), int WXUNUSED(style) )
{
- wxFAIL_MSG( "wxPaintDC::FloodFill not implemented" );
+ wxFAIL_MSG( "wxPaintDC::FloodFill not implemented" );
}
bool wxPaintDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
{
- wxFAIL_MSG( "wxPaintDC::GetPixel not implemented" );
- return FALSE;
+ wxFAIL_MSG( "wxPaintDC::GetPixel not implemented" );
+ return FALSE;
}
void wxPaintDC::DrawLine( long x1, long y1, long x2, long y2 )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- // FIXME: is this right? Causes a segfault on my system and doesn't
- // seem right: wxPaintDC does not inherit from wxMemoryDC
- // if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- {
- gdk_draw_line( m_window, m_penGC,
- XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
- }
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_line( m_window, m_penGC,
+ XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
+ }
+
+ CalcBoundingBox(x1, y1);
+ CalcBoundingBox(x2, y2);
}
void wxPaintDC::CrossHair( long x, long y )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- // FIXME: is this right? Causes a segfault on my system and doesn't
- // seem right: wxPaintDC does not inherit from wxMemoryDC
- // if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- 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) );
- }
+ 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;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- 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) ?
+ 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) ?
+ 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;
+ }
+ 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_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
-
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+
+ CalcBoundingBox (x1, y1);
+ CalcBoundingBox (x2, y2);
}
void wxPaintDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
{
- if (!Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
+ if (!Ok()) return;
- // 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 );
+ 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 );
+
+ CalcBoundingBox (x, y);
+ CalcBoundingBox (x + width, y + height);
}
void wxPaintDC::DrawPoint( long x, long y )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
+
+ CalcBoundingBox (x, y);
}
void wxPaintDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
{
- if (!Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+ if (!Ok()) return;
- if (m_pen.GetStyle() == wxTRANSPARENT) return;
+ if (m_pen.GetStyle() == wxTRANSPARENT) return;
+ if (n <= 0) 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 );
- }
+ CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
+
+ for (int i = 0; i < n-1; i++)
+ {
+ long x1 = XLOG2DEV(points[i].x + xoffset);
+ long x2 = XLOG2DEV(points[i+1].x + xoffset);
+ long y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste
+ long y2 = YLOG2DEV(points[i+1].y + yoffset);
+ gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
+
+ CalcBoundingBox( points[i+1].x + xoffset, points[i+1].y + yoffset );
+ }
}
void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset )
{
- if (!Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+ if (!Ok()) return;
- if (m_pen.GetStyle() == wxTRANSPARENT) 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();
- }
+ wxNode *node = points->First();
+ if (!node) return;
+
+ wxPoint *pt = (wxPoint*)node->Data();
+ CalcBoundingBox( pt->x + xoffset, pt->y + yoffset );
+
+ while (node->Next())
+ {
+ wxPoint *point = (wxPoint*)node->Data();
+ wxPoint *npoint = (wxPoint*)node->Next()->Data();
+ long x1 = XLOG2DEV(point->x + xoffset);
+ long x2 = XLOG2DEV(npoint->x + xoffset);
+ long y1 = YLOG2DEV(point->y + yoffset); // and a waste again...
+ long y2 = YLOG2DEV(npoint->y + yoffset);
+ gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
+ node = node->Next();
+
+ CalcBoundingBox( npoint->x + xoffset, npoint->y + yoffset );
+ }
}
void wxPaintDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- if (!n) return; // Nothing to draw
- 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);
- }
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
- // To do: Fillstyle
- if (m_pen.GetStyle() != wxTRANSPARENT)
- for (i = 0 ; i < n ; i++)
- gdk_draw_line( m_window, m_penGC,
- gdkpoints[i%n].x,
- gdkpoints[i%n].y,
- gdkpoints[(i+1)%n].x,
- gdkpoints[(i+1)%n].y);
- delete[] gdkpoints;
+ if (!n) return;
+
+ GdkPoint *gdkpoints = new GdkPoint[n+1];
+ int i;
+ for (i = 0 ; i < n ; i++)
+ {
+ gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset);
+ gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset);
+
+ CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset );
+ }
+
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
+
+ // To do: Fillstyle
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ for (i = 0 ; i < n ; i++)
+ {
+ gdk_draw_line( m_window, m_penGC,
+ gdkpoints[i%n].x,
+ gdkpoints[i%n].y,
+ gdkpoints[(i+1)%n].x,
+ gdkpoints[(i+1)%n].y);
+ }
+
+ delete[] gdkpoints;
}
void wxPaintDC::DrawPolygon( wxList *lines, long xoffset, long yoffset, int WXUNUSED(fillStyle))
{
- if (!Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- int n = lines->Number();
- GdkPoint *gdkpoints = new GdkPoint[n];
- wxNode *node = lines->First();
- int cnt=0;
- while (node)
- {
- wxPoint *p = (wxPoint *) node->Data();
- gdkpoints[cnt].x = XLOG2DEV(p->x + xoffset);
- gdkpoints[cnt].y = YLOG2DEV(p->y + yoffset);
- node = node->Next();
- cnt++;
- }
- if (m_brush.GetStyle() != wxTRANSPARENT)
- gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
- // To do: Fillstyle
- if (m_pen.GetStyle() != wxTRANSPARENT)
- {
- int i;
- for (i = 0 ; i < n ; i++)
- gdk_draw_line( m_window, m_penGC,
- gdkpoints[i%n].x,
- gdkpoints[i%n].y,
- gdkpoints[(i+1)%n].x,
- gdkpoints[(i+1)%n].y);
- }
- delete[] gdkpoints;
+ if (!Ok()) return;
+
+ int n = lines->Number();
+ if (!n) return;
+
+ GdkPoint *gdkpoints = new GdkPoint[n];
+ wxNode *node = lines->First();
+ int cnt = 0;
+ while (node)
+ {
+ wxPoint *p = (wxPoint *) node->Data();
+ gdkpoints[cnt].x = XLOG2DEV(p->x + xoffset);
+ gdkpoints[cnt].y = YLOG2DEV(p->y + yoffset);
+ node = node->Next();
+ cnt++;
+
+ CalcBoundingBox( p->x + xoffset, p->y + yoffset );
+ }
+
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
+
+ // To do: Fillstyle
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ int i;
+ for (i = 0 ; i < n ; i++)
+ {
+ gdk_draw_line( m_window, m_penGC,
+ gdkpoints[i%n].x,
+ gdkpoints[i%n].y,
+ gdkpoints[(i+1)%n].x,
+ gdkpoints[(i+1)%n].y );
+ }
+ }
+ delete[] gdkpoints;
}
void wxPaintDC::DrawRectangle( long x, long y, long width, long height )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
+ long xx = XLOG2DEV(x);
+ long yy = YLOG2DEV(y);
+ long ww = m_signX * XLOG2DEVREL(width);
+ long hh = m_signY * YLOG2DEVREL(height);
- // CMB: draw nothing if transformed w or h is 0
- if (ww == 0 || hh == 0) return;
+ // 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; }
+ // 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_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
}
void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+ if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
- 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);
+ 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: 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: 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: 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--;
- }
+ // CMB: adjust size if outline is drawn otherwise the result is
+ // 1 pixel too wide and high
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ ww--;
+ hh--;
+ }
- // CMB: ensure dd is not larger than rectangle otherwise we
- // get an hour glass shape
- long dd = 2 * rr;
- if (dd > ww) dd = ww;
- if (dd > hh) dd = hh;
- rr = dd / 2;
+ // CMB: ensure dd is not larger than rectangle otherwise we
+ // get an hour glass shape
+ long dd = 2 * rr;
+ if (dd > ww) dd = ww;
+ if (dd > hh) dd = hh;
+ rr = dd / 2;
- if (m_brush.GetStyle() != wxTRANSPARENT)
- {
- gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
- gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
- gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
- }
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ }
- if (m_pen.GetStyle() != wxTRANSPARENT)
- {
- gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
- gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
- gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
- gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
- }
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_line( m_window, m_penGC, xx+rr, yy, xx+ww-rr, yy );
+ gdk_draw_line( m_window, m_penGC, xx+rr, yy+hh, xx+ww-rr, yy+hh );
+ gdk_draw_line( m_window, m_penGC, xx, yy+rr, xx, yy+hh-rr );
+ gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr, xx+ww, yy+hh-rr );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ }
+
+ // this ignores the radius
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
}
void wxPaintDC::DrawEllipse( long x, long y, long width, long height )
{
- if (!Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+ if (!Ok()) return;
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
+ long xx = XLOG2DEV(x);
+ long yy = YLOG2DEV(y);
+ long ww = m_signX * XLOG2DEVREL(width);
+ long hh = m_signY * YLOG2DEVREL(height);
- // CMB: handle -ve width and/or height
- if (ww < 0) { ww = -ww; xx = xx - ww; }
- if (hh < 0) { hh = -hh; yy = yy - hh; }
+ // 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_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
- if (m_pen.GetStyle() != wxTRANSPARENT)
- gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
}
bool wxPaintDC::CanDrawBitmap(void) const
void wxPaintDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask )
{
- if (!Ok()) return;
-
- if (!icon.Ok()) return;
+ if (!Ok()) return;
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+ if (!icon.Ok()) return;
- int xx = XLOG2DEV(x);
- int yy = YLOG2DEV(y);
+ int xx = XLOG2DEV(x);
+ int yy = YLOG2DEV(y);
- GdkBitmap *mask = (GdkBitmap *) NULL;
- if (icon.GetMask()) mask = icon.GetMask()->GetBitmap();
+ GdkBitmap *mask = (GdkBitmap *) 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 );
- }
+ 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 );
+ 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, (GdkBitmap *) NULL );
- gdk_gc_set_clip_origin( m_penGC, 0, 0 );
- }
+ if (useMask && mask)
+ {
+ gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+ }
+
+ CalcBoundingBox( x, y );
+ int width = icon.GetWidth();
+ int height = icon.GetHeight();
+ CalcBoundingBox( x + width, y + height );
}
bool wxPaintDC::Blit( long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool WXUNUSED(useMask) )
+ wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool useMask )
{
- if (!Ok()) return FALSE;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
+ if (!Ok()) return FALSE;
+
+ CalcBoundingBox( xdest, ydest );
+ CalcBoundingBox( xdest + width, ydest + height );
+
+ wxClientDC *csrc = (wxClientDC*)source;
- // 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)
+ if (csrc->m_isMemDC)
{
- 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;
+ wxMemoryDC* srcDC = (wxMemoryDC*)source;
+ GdkPixmap* pmap = srcDC->m_selected.GetPixmap();
+ if (pmap)
+ {
+ long xx = XLOG2DEV(xdest);
+ long yy = YLOG2DEV(ydest);
+
+ GdkBitmap *mask = (GdkBitmap *) NULL;
+ if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
+
+ if (useMask && mask)
+ {
+ gdk_gc_set_clip_mask( m_textGC, mask );
+ gdk_gc_set_clip_origin( m_textGC, xx, yy );
+ }
+
+ gdk_draw_pixmap( m_window, m_textGC, pmap,
+ source->DeviceToLogicalX(xsrc),
+ source->DeviceToLogicalY(ysrc),
+ xx,
+ yy,
+ source->DeviceToLogicalXRel(width),
+ source->DeviceToLogicalYRel(height) );
+
+ if (useMask && mask)
+ {
+ gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+ }
+
+ return TRUE;
+ }
+
+ GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
+ if (bmap)
+ {
+ long xx = XLOG2DEV(xdest);
+ long yy = YLOG2DEV(ydest);
+
+ GdkBitmap *mask = (GdkBitmap *) NULL;
+ if (srcDC->m_selected.GetMask()) mask = srcDC->m_selected.GetMask()->GetBitmap();
+
+ if (useMask && mask)
+ {
+ gdk_gc_set_clip_mask( m_textGC, mask );
+ gdk_gc_set_clip_origin( m_textGC, xx, yy );
+ }
+
+ gdk_draw_bitmap( m_window, m_textGC, bmap,
+ source->DeviceToLogicalX(xsrc),
+ source->DeviceToLogicalY(ysrc),
+ xx,
+ yy,
+ source->DeviceToLogicalXRel(width),
+ source->DeviceToLogicalYRel(height) );
+
+ if (useMask && mask)
+ {
+ gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+ }
+
+ return TRUE;
+ }
}
- }
- 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_textGC,
+ 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 );
+ gdk_window_copy_area ( m_window, m_textGC,
+ XLOG2DEV(xdest), YLOG2DEV(ydest),
+ csrc->GetWindow(),
+ xsrc, ysrc,
+ width, height );
*/
return TRUE;
void wxPaintDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(use16) )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
- x = XLOG2DEV(x);
- y = YLOG2DEV(y);
+ x = XLOG2DEV(x);
+ y = YLOG2DEV(y);
- // CMB 21/5/98: draw text background if mode is wxSOLID
- if (m_backgroundMode == wxSOLID)
- {
- long width = gdk_string_width( font, text );
- 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 );
- gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
- }
- gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text );
+ // 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 );
+ 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);
- }
+ // 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);
+ }
+
+ long w, h;
+ GetTextExtent (text, &w, &h);
+ CalcBoundingBox (x + w, y + h);
+ CalcBoundingBox (x, y);
}
bool wxPaintDC::CanGetTextExtent(void) const
{
- return TRUE;
+ return TRUE;
}
void wxPaintDC::GetTextExtent( const wxString &string, long *width, long *height,
long *descent, long *externalLeading,
wxFont *theFont, bool WXUNUSED(use16) )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- wxFont fontToUse = m_font;
- if (theFont) fontToUse = *theFont;
+ wxFont fontToUse = m_font;
+ if (theFont) fontToUse = *theFont;
- GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
- if (width) (*width) = long(gdk_string_width( font, string ) / m_scaleX);
- if (height) (*height) = long((font->ascent + font->descent) / m_scaleY);
- if (descent) (*descent) = long(font->descent / m_scaleY);
- if (externalLeading) (*externalLeading) = 0; // ??
+ GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
+ if (width) (*width) = long(gdk_string_width( font, string ) / m_scaleX);
+ if (height) (*height) = long((font->ascent + font->descent) / m_scaleY);
+ if (descent) (*descent) = long(font->descent / m_scaleY);
+ if (externalLeading) (*externalLeading) = 0; // ??
}
long wxPaintDC::GetCharWidth(void)
{
- if (!Ok()) return 0;
+ if (!Ok()) return 0;
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
- return long(gdk_string_width( font, "H" ) / m_scaleX);
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ return long(gdk_string_width( font, "H" ) / m_scaleX);
}
long wxPaintDC::GetCharHeight(void)
{
- if (!Ok()) return 0;
+ if (!Ok()) return 0;
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
- return long((font->ascent + font->descent) / m_scaleY);
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ return long((font->ascent + font->descent) / m_scaleY);
}
void wxPaintDC::Clear(void)
{
- if (!Ok()) return;
+ if (!Ok()) return;
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- if (m_isDrawable)
- {
- gdk_window_clear( m_window );
- }
- else
- {
- int width = 0;
- int height = 0;
- GetSize( &width, &height );
- gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
- }
+ if (!m_isMemDC)
+ {
+ gdk_window_clear( m_window );
+ }
+ else
+ {
+ int width,height;
+ GetSize( &width, &height );
+ gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+ }
}
void wxPaintDC::SetFont( const wxFont &font )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- m_font = font;
+ m_font = font;
}
void wxPaintDC::SetPen( const wxPen &pen )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- if (m_pen == pen) return;
+ if (m_pen == pen) return;
- m_pen = pen;
+ m_pen = pen;
- if (!m_pen.Ok()) return;
+ 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;
- }
+ 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; }
- }
+ 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; }
- }
+ 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; }
- }
+ 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 );
+ 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() );
+ 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 (!Ok()) return;
- if (m_brush == brush) return;
+ if (m_brush == brush) return;
- m_brush = brush;
+ m_brush = brush;
- if (!m_brush.Ok()) return;
+ if (!m_brush.Ok()) return;
- m_brush.GetColour().CalcPixel( m_cmap );
- gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
+ 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 );
+ GdkFill fillStyle = GDK_SOLID;
+ switch (m_brush.GetStyle())
+ {
+ case wxSOLID:
+ case wxTRANSPARENT:
+ break;
+ default:
+ fillStyle = GDK_STIPPLED;
+ }
- if (m_brush.GetStyle() == wxSTIPPLE)
- {
- gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
- }
+ gdk_gc_set_fill( m_brushGC, fillStyle );
- if (IS_HATCH(m_brush.GetStyle()))
- {
- int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
- gdk_gc_set_stipple( m_brushGC, hatches[num] );
- }
+ 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 (!Ok()) return;
- if (m_backgroundBrush == brush) return;
+ if (m_backgroundBrush == brush) return;
- m_backgroundBrush = brush;
+ m_backgroundBrush = brush;
- if (!m_backgroundBrush.Ok()) return;
+ 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() );
+ 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;
- }
+ GdkFill fillStyle = GDK_SOLID;
+ switch (m_backgroundBrush.GetStyle())
+ {
+ case wxSOLID:
+ case wxTRANSPARENT:
+ break;
+ default:
+ fillStyle = GDK_STIPPLED;
+ }
- gdk_gc_set_fill( m_bgGC, fillStyle );
+ gdk_gc_set_fill( m_bgGC, fillStyle );
- if (m_backgroundBrush.GetStyle() == wxSTIPPLE)
- {
- gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
- }
+ 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] );
- }
+ if (IS_HATCH(m_backgroundBrush.GetStyle()))
+ {
+ int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
+ gdk_gc_set_stipple( m_bgGC, hatches[num] );
+ }
}
void wxPaintDC::SetLogicalFunction( int function )
{
- 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 );
+ 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 );
+ gdk_gc_set_function( m_textGC, mode );
}
void wxPaintDC::SetTextForeground( const wxColour &col )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- if (m_textForegroundColour == col) return;
+ if (m_textForegroundColour == col) return;
- m_textForegroundColour = col;
- if (!m_textForegroundColour.Ok()) return;
+ m_textForegroundColour = col;
+ if (!m_textForegroundColour.Ok()) return;
- m_textForegroundColour.CalcPixel( m_cmap );
- gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+ m_textForegroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
}
void wxPaintDC::SetTextBackground( const wxColour &col )
{
- if (!Ok()) return;
+ if (!Ok()) return;
- if (m_textBackgroundColour == col) return;
+ if (m_textBackgroundColour == col) return;
- m_textBackgroundColour = col;
- if (!m_textBackgroundColour.Ok()) return;
+ m_textBackgroundColour = col;
+ if (!m_textBackgroundColour.Ok()) return;
- m_textBackgroundColour.CalcPixel( m_cmap );
- gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+ m_textBackgroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
}
void wxPaintDC::SetBackgroundMode( int mode )
{
- m_backgroundMode = 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);
- }
+ // 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 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 = 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 );
-
+ wxDC::SetClippingRegion( x, y, width, height );
+
+ 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 wxPaintDC::DestroyClippingRegion(void)
{
- wxDC::DestroyClippingRegion();
+ wxDC::DestroyClippingRegion();
- 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 );
+ 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 wxPaintDC::SetUpDC(void)
{
- m_ok = TRUE;
- m_logicalFunction = wxCOPY;
- if (m_penGC) gdk_gc_unref( m_penGC );
- m_penGC = gdk_gc_new( m_window );
- if (m_brushGC) gdk_gc_unref( m_brushGC );
- m_brushGC = gdk_gc_new( m_window );
- if (m_textGC) gdk_gc_unref( m_textGC );
- m_textGC = gdk_gc_new( m_window );
- if (m_bgGC) gdk_gc_unref( m_bgGC );
- 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( (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 );
- }
+ 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 );
+ 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( (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 wxPaintDC::Destroy(void)
+{
+ 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;
}
GdkWindow *wxPaintDC::GetWindow(void)
{
- return m_window;
+ return m_window;
}
// ----------------------------------- spline code ----------------------------------------
}
}
-void wxPaintDC::DrawOpenSpline( wxList *points )
+void wxPaintDC::DrawSpline( wxList *points )
{
wxPoint *p;
double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
projects / wxWidgets.git / blobdiff