/////////////////////////////////////////////////////////////////////////////
-// Name: dcclient.cpp
+// Name: src/gtk1/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, Chris Breeze
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dcclient.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __VMS
+#define XCopyPlane XCOPYPLANE
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/math.h" // for floating-point functions
+ #include "wx/image.h"
+ #include "wx/module.h"
#endif
-#include "wx/dcclient.h"
-#include "wx/dcmemory.h"
+#include "wx/fontutil.h"
+
+#include "wx/gtk1/win_gtk.h"
+#include "wx/gtk1/dcclient.h"
+#include "wx/gtk1/dcmemory.h"
+
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <gdk/gdkprivate.h>
+#include <gtk/gtk.h>
+
+//-----------------------------------------------------------------------------
+// local defines
+//-----------------------------------------------------------------------------
+
+#define USE_PAINT_REGION 1
//-----------------------------------------------------------------------------
// local data
#include "cross.xbm"
#define num_hatches 6
+#define IS_15_PIX_HATCH(s) ((s)==wxCROSSDIAG_HATCH || (s)==wxHORIZONTAL_HATCH || (s)==wxVERTICAL_HATCH)
+#define IS_16_PIX_HATCH(s) ((s)!=wxCROSSDIAG_HATCH && (s)!=wxHORIZONTAL_HATCH && (s)!=wxVERTICAL_HATCH)
+
+
static GdkPixmap *hatches[num_hatches];
static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
+extern GtkWidget *wxGetRootWindow();
+
//-----------------------------------------------------------------------------
// 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)
+
+void gdk_wx_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);
+ wxCHECK_RET( drawable, wxT("NULL drawable in gdk_wx_draw_bitmap") );
+ wxCHECK_RET( src, wxT("NULL src in gdk_wx_draw_bitmap") );
+ wxCHECK_RET( gc, wxT("NULL gc in gdk_wx_draw_bitmap") );
+
+ GdkWindowPrivate *drawable_private;
+ GdkWindowPrivate *src_private;
+ GdkGCPrivate *gc_private;
+
+ drawable_private = (GdkWindowPrivate*) drawable;
+ src_private = (GdkWindowPrivate*) src;
+ if (drawable_private->destroyed || src_private->destroyed)
+ return;
+
+ gint src_width = src_private->width;
+ gint src_height = src_private->height;
+
+ gc_private = (GdkGCPrivate*) gc;
+
+ if (width == -1) width = src_width;
+ if (height == -1) height = src_height;
+
+ XCopyPlane( drawable_private->xdisplay,
+ src_private->xwindow,
+ drawable_private->xwindow,
+ gc_private->xgc,
+ xsrc, ysrc,
+ width, height,
+ xdest, ydest,
+ 1 );
}
//-----------------------------------------------------------------------------
-// wxPaintDC
+// Implement Pool of Graphic contexts. Creating them takes too much time.
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxDC)
+enum wxPoolGCType
+{
+ wxGC_ERROR = 0,
+ wxTEXT_MONO,
+ wxBG_MONO,
+ wxPEN_MONO,
+ wxBRUSH_MONO,
+ wxTEXT_COLOUR,
+ wxBG_COLOUR,
+ wxPEN_COLOUR,
+ wxBRUSH_COLOUR,
+ wxTEXT_SCREEN,
+ wxBG_SCREEN,
+ wxPEN_SCREEN,
+ wxBRUSH_SCREEN
+};
+
+struct wxGC
+{
+ GdkGC *m_gc;
+ wxPoolGCType m_type;
+ bool m_used;
+};
+
+#define GC_POOL_ALLOC_SIZE 100
+
+static int wxGCPoolSize = 0;
+
+static wxGC *wxGCPool = NULL;
-wxPaintDC::wxPaintDC(void)
+static void wxInitGCPool()
{
- m_penGC = (GdkGC *) NULL;
- m_brushGC = (GdkGC *) NULL;
- m_textGC = (GdkGC *) NULL;
- m_bgGC = (GdkGC *) NULL;
- m_cmap = (GdkColormap *) NULL;
+ // This really could wait until the first call to
+ // wxGetPoolGC, but we will make the first allocation
+ // now when other initialization is being performed.
+
+ // Set initial pool size.
+ wxGCPoolSize = GC_POOL_ALLOC_SIZE;
+
+ // Allocate initial pool.
+ wxGCPool = (wxGC *)malloc(wxGCPoolSize * sizeof(wxGC));
+ if (wxGCPool == NULL)
+ {
+ // If we cannot malloc, then fail with error
+ // when debug is enabled. If debug is not enabled,
+ // the problem will eventually get caught
+ // in wxGetPoolGC.
+ wxFAIL_MSG( wxT("Cannot allocate GC pool") );
+ return;
+ }
+
+ // Zero initial pool.
+ memset(wxGCPool, 0, wxGCPoolSize * sizeof(wxGC));
}
-wxPaintDC::wxPaintDC( wxWindow *window )
+static void wxCleanUpGCPool()
{
- 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;
-
- SetUpDC();
+ for (int i = 0; i < wxGCPoolSize; i++)
+ {
+ if (wxGCPool[i].m_gc)
+ gdk_gc_unref( wxGCPool[i].m_gc );
+ }
+
+ free(wxGCPool);
+ wxGCPool = NULL;
+ wxGCPoolSize = 0;
}
-wxPaintDC::~wxPaintDC(void)
+static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type )
{
+ wxGC *pptr;
+
+ // Look for an available GC.
+ for (int i = 0; i < wxGCPoolSize; i++)
+ {
+ if (!wxGCPool[i].m_gc)
+ {
+ wxGCPool[i].m_gc = gdk_gc_new( window );
+ gdk_gc_set_exposures( wxGCPool[i].m_gc, FALSE );
+ wxGCPool[i].m_type = type;
+ wxGCPool[i].m_used = false;
+ }
+ if ((!wxGCPool[i].m_used) && (wxGCPool[i].m_type == type))
+ {
+ wxGCPool[i].m_used = true;
+ return wxGCPool[i].m_gc;
+ }
+ }
+
+ // We did not find an available GC.
+ // We need to grow the GC pool.
+ pptr = (wxGC *)realloc(wxGCPool,
+ (wxGCPoolSize + GC_POOL_ALLOC_SIZE)*sizeof(wxGC));
+ if (pptr != NULL)
+ {
+ // Initialize newly allocated pool.
+ wxGCPool = pptr;
+ memset(&wxGCPool[wxGCPoolSize], 0,
+ GC_POOL_ALLOC_SIZE*sizeof(wxGC));
+
+ // Initialize entry we will return.
+ wxGCPool[wxGCPoolSize].m_gc = gdk_gc_new( window );
+ gdk_gc_set_exposures( wxGCPool[wxGCPoolSize].m_gc, FALSE );
+ wxGCPool[wxGCPoolSize].m_type = type;
+ wxGCPool[wxGCPoolSize].m_used = true;
+
+ // Set new value of pool size.
+ wxGCPoolSize += GC_POOL_ALLOC_SIZE;
+
+ // Return newly allocated entry.
+ return wxGCPool[wxGCPoolSize-GC_POOL_ALLOC_SIZE].m_gc;
+ }
+
+ // The realloc failed. Fall through to error.
+ wxFAIL_MSG( wxT("No GC available") );
+
+ return NULL;
}
-void wxPaintDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1),
- wxColour *WXUNUSED(col), int WXUNUSED(style) )
+static void wxFreePoolGC( GdkGC *gc )
{
- wxFAIL_MSG( "wxPaintDC::FloodFill not implemented" );
+ for (int i = 0; i < wxGCPoolSize; i++)
+ {
+ if (wxGCPool[i].m_gc == gc)
+ {
+ wxGCPool[i].m_used = false;
+ return;
+ }
+ }
+
+ wxFAIL_MSG( wxT("Wrong GC") );
}
-bool wxPaintDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
+//-----------------------------------------------------------------------------
+// wxWindowDCImpl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxDC)
+
+wxWindowDCImpl::wxWindowDCImpl(wxDC *owner)
+ : wxGTKDCImpl(owner)
{
- wxFAIL_MSG( "wxPaintDC::GetPixel not implemented" );
- return FALSE;
+ m_penGC = NULL;
+ m_brushGC = NULL;
+ m_textGC = NULL;
+ m_bgGC = NULL;
+ m_cmap = NULL;
+ m_isMemDC = false;
+ m_isScreenDC = false;
+ m_owner = NULL;
}
-void wxPaintDC::DrawLine( long x1, long y1, long x2, long y2 )
+wxWindowDCImpl::wxWindowDCImpl(wxDC *owner, wxWindow *window)
+ : wxGTKDCImpl(owner)
{
- 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) );
- }
+ wxASSERT_MSG( window, wxT("DC needs a window") );
+
+ m_penGC = NULL;
+ m_brushGC = NULL;
+ m_textGC = NULL;
+ m_bgGC = NULL;
+ m_cmap = NULL;
+ m_owner = NULL;
+ m_isMemDC = false;
+ m_isScreenDC = false;
+ m_font = window->GetFont();
+
+ GtkWidget *widget = window->m_wxwindow;
+
+ // Some controls don't have m_wxwindow - like wxStaticBox, but the user
+ // code should still be able to create wxClientDCs for them, so we will
+ // use the parent window here then.
+ if ( !widget )
+ {
+ window = window->GetParent();
+ widget = window->m_wxwindow;
+ }
+
+ wxASSERT_MSG( widget, wxT("DC needs a widget") );
+
+ GtkPizza *pizza = GTK_PIZZA( widget );
+ m_window = pizza->bin_window;
+
+ // Window not realized ?
+ if (!m_window)
+ {
+ // Don't report problems as per MSW.
+ m_ok = true;
+
+ return;
+ }
+
+ m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
+
+ SetUpDC();
+
+ /* this must be done after SetUpDC, bacause SetUpDC calls the
+ repective SetBrush, SetPen, SetBackground etc functions
+ to set up the DC. SetBackground call m_owner->SetBackground
+ and this might not be desired as the standard dc background
+ is white whereas a window might assume gray to be the
+ standard (as e.g. wxStatusBar) */
+
+ m_owner = window;
}
-void wxPaintDC::CrossHair( long x, long y )
+wxWindowDCImpl::~wxWindowDCImpl()
{
- 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) );
- }
+ Destroy();
}
-void wxPaintDC::DrawArc( long x1, long y1, long x2, long y2, double xc, double yc )
+void wxWindowDCImpl::SetUpDC()
{
- 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) ?
- (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 );
-
+ m_ok = true;
+
+ wxASSERT_MSG( !m_penGC, wxT("GCs already created") );
+
+ if (m_isScreenDC)
+ {
+ m_penGC = wxGetPoolGC( m_window, wxPEN_SCREEN );
+ m_brushGC = wxGetPoolGC( m_window, wxBRUSH_SCREEN );
+ m_textGC = wxGetPoolGC( m_window, wxTEXT_SCREEN );
+ m_bgGC = wxGetPoolGC( m_window, wxBG_SCREEN );
+ }
+ else if (m_isMemDC && (((wxMemoryDCImpl*)this)->m_selected.GetDepth() == 1))
+ {
+ m_penGC = wxGetPoolGC( m_window, wxPEN_MONO );
+ m_brushGC = wxGetPoolGC( m_window, wxBRUSH_MONO );
+ m_textGC = wxGetPoolGC( m_window, wxTEXT_MONO );
+ m_bgGC = wxGetPoolGC( m_window, wxBG_MONO );
+ }
+ else
+ {
+ m_penGC = wxGetPoolGC( m_window, wxPEN_COLOUR );
+ m_brushGC = wxGetPoolGC( m_window, wxBRUSH_COLOUR );
+ m_textGC = wxGetPoolGC( m_window, wxTEXT_COLOUR );
+ m_bgGC = wxGetPoolGC( m_window, wxBG_COLOUR );
+ }
+
+ /* background colour */
+ m_backgroundBrush = *wxWHITE_BRUSH;
+ m_backgroundBrush.GetColour().CalcPixel( m_cmap );
+ GdkColor *bg_col = m_backgroundBrush.GetColour().GetColor();
+
+ /* m_textGC */
+ m_textForegroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+
+ m_textBackgroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+
+ gdk_gc_set_fill( m_textGC, GDK_SOLID );
+
+ /* m_penGC */
+ m_pen.GetColour().CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
+ gdk_gc_set_background( m_penGC, bg_col );
+
+ gdk_gc_set_line_attributes( m_penGC, 0, GDK_LINE_SOLID, GDK_CAP_NOT_LAST, GDK_JOIN_ROUND );
+
+ /* m_brushGC */
+ m_brush.GetColour().CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
+ gdk_gc_set_background( m_brushGC, bg_col );
+
+ gdk_gc_set_fill( m_brushGC, GDK_SOLID );
+
+ /* m_bgGC */
+ gdk_gc_set_background( m_bgGC, bg_col );
+ gdk_gc_set_foreground( m_bgGC, bg_col );
+
+ gdk_gc_set_fill( m_bgGC, GDK_SOLID );
+
+ /* ROPs */
+ gdk_gc_set_function( m_textGC, GDK_COPY );
+ gdk_gc_set_function( m_brushGC, GDK_COPY );
+ gdk_gc_set_function( m_penGC, GDK_COPY );
+
+ /* clipping */
+ gdk_gc_set_clip_rectangle( m_penGC, 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 );
+
+ 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 );
+ }
}
-void wxPaintDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
+void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
{
- 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);
-
- // 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 );
+ wxCHECK_RET( m_owner, wxT("GetSize() doesn't work without window") );
+
+ m_owner->GetSize(width, height);
}
-void wxPaintDC::DrawPoint( long x, long y )
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
+ const wxColour & col, wxFloodFillStyle style);
+
+bool wxWindowDCImpl::DoFloodFill(wxCoord x, wxCoord y,
+ const wxColour& col, wxFloodFillStyle style)
{
- 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) );
+ return wxDoFloodFill(GetOwner(), x, y, col, style);
}
-void wxPaintDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
+bool wxWindowDCImpl::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
{
- if (!Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- 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 );
- }
+ // Generic (and therefore rather inefficient) method.
+ // Could be improved.
+ wxMemoryDC memdc;
+ wxBitmap bitmap(1, 1);
+ memdc.SelectObject(bitmap);
+ memdc.Blit(0, 0, 1, 1, GetOwner(), x1, y1);
+ memdc.SelectObject(wxNullBitmap);
+
+ wxImage image = bitmap.ConvertToImage();
+ col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
+ return true;
}
-void wxPaintDC::DrawLines( wxList *points, long xoffset, long yoffset )
+void wxWindowDCImpl::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
{
- if (!Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- 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();
- }
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ if (m_window)
+ gdk_draw_line( m_window, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
+
+ CalcBoundingBox(x1, y1);
+ CalcBoundingBox(x2, y2);
+ }
}
-void wxPaintDC::DrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
+void wxWindowDCImpl::DoCrossHair( wxCoord x, wxCoord y )
{
- 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;
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ int w = 0;
+ int h = 0;
+ GetSize( &w, &h );
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ if (m_window)
+ {
+ gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
+ gdk_draw_line( m_window, m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
+ }
+ }
}
-void wxPaintDC::DrawPolygon( wxList *lines, long xoffset, long yoffset, int WXUNUSED(fillStyle))
+void wxWindowDCImpl::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
+ wxCoord xc, wxCoord yc )
{
- 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;
+ wxCHECK_RET( IsOk(), 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 ( wxIsNullDouble(radius) )
+ {
+ radius1 =
+ radius2 = 0.0;
+ }
+ else
+ {
+ radius1 = (xx1 - xxc == 0) ?
+ (yy1 - yyc < 0) ? 90.0 : -90.0 :
+ -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
+ radius2 = (xx2 - xxc == 0) ?
+ (yy2 - yyc < 0) ? 90.0 : -90.0 :
+ -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
+ }
+ wxCoord alpha1 = wxCoord(radius1 * 64.0);
+ wxCoord alpha2 = wxCoord((radius2 - radius1) * 64.0);
+ while (alpha2 <= 0) alpha2 += 360*64;
+ while (alpha1 > 360*64) alpha1 -= 360*64;
+
+ if (m_window)
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+ }
+ }
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+
+ gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc );
+ gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 );
+ }
+ }
+
+ CalcBoundingBox (x1, y1);
+ CalcBoundingBox (x2, y2);
}
-void wxPaintDC::DrawRectangle( long x, long y, long width, long height )
+void wxWindowDCImpl::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord 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);
-
- // 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 );
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
+
+ // CMB: handle -ve width and/or height
+ if (ww < 0) { ww = -ww; xx = xx - ww; }
+ if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+ if (m_window)
+ {
+ wxCoord start = wxCoord(sa * 64.0);
+ wxCoord end = wxCoord((ea-sa) * 64.0);
+
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, start, end );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
+ }
+ }
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
+ }
+
+ CalcBoundingBox (x, y);
+ CalcBoundingBox (x + width, y + height);
}
-void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
+void wxWindowDCImpl::DoDrawPoint( wxCoord x, wxCoord y )
{
- if (!Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- 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;
- }
-
- // 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: 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_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 );
- }
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
+ gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
+
+ CalcBoundingBox (x, y);
}
-void wxPaintDC::DrawEllipse( long x, long y, long width, long height )
+void wxWindowDCImpl::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
{
- 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);
-
- // 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 );
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (m_pen.GetStyle() == wxTRANSPARENT) return;
+ if (n <= 0) return;
+
+
+ GdkPoint * const gpts = new GdkPoint[n];
+ if ( !gpts )
+ {
+ wxFAIL_MSG( wxT("Cannot allocate PolyLine") );
+ return;
+ }
+
+ for (int i = 0; i < n; i++)
+ {
+ wxCoord x = points[i].x + xoffset,
+ y = points[i].y + yoffset;
+
+ CalcBoundingBox(x + xoffset, y + yoffset);
+
+ gpts[i].x = XLOG2DEV(x);
+ gpts[i].y = YLOG2DEV(y);
+ }
+
+ gdk_draw_lines( m_window, m_penGC, gpts, n);
+
+ delete[] gpts;
}
-bool wxPaintDC::CanDrawBitmap(void) const
+void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode WXUNUSED(fillStyle) )
{
- return TRUE;
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (n <= 0) return;
+
+ GdkPoint * const gpts = new GdkPoint[n];
+
+ for (int i = 0 ; i < n ; i++)
+ {
+ wxCoord x = points[i].x + xoffset,
+ y = points[i].y + yoffset;
+
+ CalcBoundingBox(x + xoffset, y + yoffset);
+
+ gpts[i].x = XLOG2DEV(x);
+ gpts[i].y = YLOG2DEV(y);
+ }
+
+ if (m_brush.GetStyle() == wxSOLID)
+ {
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+ }
+ else if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_polygon( m_window, m_textGC, TRUE, gpts, n );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n );
+ }
+ }
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_polygon( m_window, m_penGC, FALSE, gpts, n );
+
+ }
+
+ delete[] gpts;
}
-void wxPaintDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask )
+void wxWindowDCImpl::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
- if (!Ok()) return;
-
- if (!icon.Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- int xx = XLOG2DEV(x);
- int yy = YLOG2DEV(y);
-
- 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 );
- }
-
- 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 );
- }
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
+
+ // CMB: draw nothing if transformed w or h is 0
+ if (ww == 0 || hh == 0) return;
+
+ // CMB: handle -ve width and/or height
+ if (ww < 0) { ww = -ww; xx = xx - ww; }
+ if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+ if (m_window)
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy, ww, hh );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
+ }
+ }
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+ }
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
}
-bool wxPaintDC::Blit( long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool WXUNUSED(useMask) )
+void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
{
- if (!Ok()) return FALSE;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- // 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;
- }
- }
-
- 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;
+ wxCHECK_RET( IsOk(), 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)
+ {
+ DoDrawRectangle( x, y, width, height );
+ return;
+ }
+
+ // CMB: draw nothing if transformed w or h is 0
+ if (ww == 0 || hh == 0) return;
+
+ // CMB: adjust size if outline is drawn otherwise the result is
+ // 1 pixel too wide and high
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ ww--;
+ hh--;
+ }
+
+ if (m_window)
+ {
+ // CMB: ensure dd is not larger than rectangle otherwise we
+ // get an hour glass shape
+ wxCoord dd = 2 * rr;
+ if (dd > ww) dd = ww;
+ if (dd > hh) dd = hh;
+ rr = dd / 2;
+
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
+ gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ }
+ }
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_draw_line( m_window, m_penGC, xx+rr+1, yy, xx+ww-rr, yy );
+ gdk_draw_line( m_window, m_penGC, xx+rr+1, yy+hh, xx+ww-rr, yy+hh );
+ gdk_draw_line( m_window, m_penGC, xx, yy+rr+1, xx, yy+hh-rr );
+ gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr+1, xx+ww, yy+hh-rr );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
+ }
+ }
+
+ // this ignores the radius
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
}
-void wxPaintDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(use16) )
+void wxWindowDCImpl::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
- if (!Ok()) return;
-
- if (!m_isDrawable) ((wxMemoryDC*)this)->m_selected.DestroyImage();
-
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
-
- 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 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);
- }
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
+
+ // CMB: handle -ve width and/or height
+ if (ww < 0) { ww = -ww; xx = xx - ww; }
+ if (hh < 0) { hh = -hh; yy = yy - hh; }
+
+ if (m_window)
+ {
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_ts_origin( m_textGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ gdk_gc_set_ts_origin( m_textGC, 0, 0 );
+ } else
+ if (IS_15_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (IS_16_PIX_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ } else
+ if (m_brush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_ts_origin( m_brushGC,
+ m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
+ m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
+ }
+ else
+ {
+ gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
+ }
+ }
+
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
+ }
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
}
-bool wxPaintDC::CanGetTextExtent(void) const
+void wxWindowDCImpl::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
{
- return TRUE;
+ // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
+ DoDrawBitmap( (const wxBitmap&)icon, x, y, true );
}
-void wxPaintDC::GetTextExtent( const wxString &string, long *width, long *height,
- long *descent, long *externalLeading,
- wxFont *theFont, bool WXUNUSED(use16) )
+void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap,
+ wxCoord x, wxCoord y,
+ bool useMask )
{
- if (!Ok()) return;
-
- 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; // ??
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
+
+ bool is_mono = (bitmap.GetBitmap() != NULL);
+
+ // scale/translate size and position
+ int xx = XLOG2DEV(x);
+ int yy = YLOG2DEV(y);
+
+ int w = bitmap.GetWidth();
+ int h = bitmap.GetHeight();
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + w, y + h );
+
+ if (!m_window) return;
+
+ int ww = XLOG2DEVREL(w);
+ int hh = YLOG2DEVREL(h);
+
+ // compare to current clipping region
+ if (!m_currentClippingRegion.IsNull())
+ {
+ wxRegion tmp( xx,yy,ww,hh );
+ tmp.Intersect( m_currentClippingRegion );
+ if (tmp.IsEmpty())
+ return;
+ }
+
+ // scale bitmap if required
+ wxBitmap use_bitmap = bitmap;
+ if ((w != ww) || (h != hh))
+ use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh );
+
+ // NB: We can't render pixbufs with GTK+ < 2.2, we need to use pixmaps code.
+ // Pixbufs-based bitmaps with alpha channel don't have a mask, so we
+ // have to call GetPixmap() here -- it converts the pixbuf into pixmap
+ // and also creates the mask as a side-effect:
+ use_bitmap.GetPixmap();
+
+ // apply mask if any
+ GdkBitmap *mask = NULL;
+ if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+ GdkBitmap *new_mask = NULL;
+
+ if (useMask && mask)
+ {
+ if (!m_currentClippingRegion.IsNull())
+ {
+ GdkColor col;
+ new_mask = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, 1 );
+ GdkGC *gc = gdk_gc_new( new_mask );
+ col.pixel = 0;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
+ col.pixel = 0;
+ gdk_gc_set_background( gc, &col );
+ col.pixel = 1;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_origin( gc, -xx, -yy );
+ gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
+ gdk_gc_set_stipple( gc, mask );
+ gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
+ gdk_gc_unref( gc );
+ }
+
+ if (is_mono)
+ {
+ if (new_mask)
+ gdk_gc_set_clip_mask( m_textGC, new_mask );
+ else
+ gdk_gc_set_clip_mask( m_textGC, mask );
+ gdk_gc_set_clip_origin( m_textGC, xx, yy );
+ }
+ else
+ {
+ if (new_mask)
+ gdk_gc_set_clip_mask( m_penGC, new_mask );
+ else
+ gdk_gc_set_clip_mask( m_penGC, mask );
+ gdk_gc_set_clip_origin( m_penGC, xx, yy );
+ }
+ }
+
+ // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
+ // drawing a mono-bitmap (XBitmap) we use the current text GC
+ if (is_mono)
+ {
+ gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), 0, 0, xx, yy, -1, -1 );
+ }
+ else
+ {
+ gdk_draw_pixmap(m_window, m_penGC,
+ use_bitmap.GetPixmap(),
+ 0, 0, xx, yy, -1, -1);
+ }
+
+ // remove mask again if any
+ if (useMask && mask)
+ {
+ if (is_mono)
+ {
+ gdk_gc_set_clip_mask( m_textGC, NULL );
+ gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+ if (!m_currentClippingRegion.IsNull())
+ gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_penGC, NULL );
+ gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+ if (!m_currentClippingRegion.IsNull())
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ }
+ }
+
+ if (new_mask)
+ gdk_bitmap_unref( new_mask );
}
-long wxPaintDC::GetCharWidth(void)
+bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
+ wxCoord width, wxCoord height,
+ wxDC *source,
+ wxCoord xsrc, wxCoord ysrc,
+ wxRasterOperationMode logical_func,
+ bool useMask,
+ wxCoord xsrcMask, wxCoord ysrcMask )
{
- if (!Ok()) return 0;
-
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
- return long(gdk_string_width( font, "H" ) / m_scaleX);
+ wxCHECK_MSG( IsOk(), false, wxT("invalid window dc") );
+
+ wxCHECK_MSG( source, false, wxT("invalid source dc") );
+
+ if (!m_window) return false;
+
+ // transform the source DC coords to the device ones
+ xsrc = source->LogicalToDeviceX(xsrc);
+ ysrc = source->LogicalToDeviceY(ysrc);
+
+ wxWindowDCImpl *srcDC = wxDynamicCast(source->GetImpl(), wxWindowDCImpl);
+ wxCHECK_MSG( srcDC, false, "source must be a window DC" );
+
+ // FIXME: this cast is not always valid, see the code using m_isMemDC
+ wxMemoryDCImpl *memDC = static_cast<wxMemoryDCImpl *>(srcDC);
+
+ bool use_bitmap_method = false;
+ bool is_mono = false;
+
+ if (xsrcMask == -1 && ysrcMask == -1)
+ {
+ xsrcMask = xsrc;
+ ysrcMask = ysrc;
+ }
+
+ if (srcDC->m_isMemDC)
+ {
+ if (!memDC->m_selected.Ok()) return false;
+
+ is_mono = (memDC->m_selected.GetDepth() == 1);
+
+ // we use the "XCopyArea" way to copy a memory dc into
+ // a 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 (is_mono)
+ {
+ // we HAVE TO use the direct way for memory dcs
+ // that are bitmaps because XCopyArea doesn't cope
+ // with different bit depths
+ use_bitmap_method = true;
+ }
+ else if ((xsrc == 0) && (ysrc == 0) &&
+ (width == memDC->m_selected.GetWidth()) &&
+ (height == memDC->m_selected.GetHeight()))
+ {
+ // we SHOULD use the direct way if all of the bitmap
+ // in the memory dc is copied in which case XCopyArea
+ // wouldn't be able able to boost performace by reducing
+ // the area to be scaled
+ use_bitmap_method = true;
+ }
+ else
+ {
+ use_bitmap_method = false;
+ }
+ }
+
+ CalcBoundingBox( xdest, ydest );
+ CalcBoundingBox( xdest + width, ydest + height );
+
+ // scale/translate size and position
+ wxCoord xx = XLOG2DEV(xdest);
+ wxCoord yy = YLOG2DEV(ydest);
+
+ wxCoord ww = XLOG2DEVREL(width);
+ wxCoord hh = YLOG2DEVREL(height);
+
+ // compare to current clipping region
+ if (!m_currentClippingRegion.IsNull())
+ {
+ wxRegion tmp( xx,yy,ww,hh );
+ tmp.Intersect( m_currentClippingRegion );
+ if (tmp.IsEmpty())
+ return true;
+ }
+
+ wxRasterOperationMode 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();
+
+ // Get clip coords for the bitmap. If we don't
+ // use wxBitmap::Rescale(), which can clip the
+ // bitmap, these are the same as the original
+ // coordinates
+ wxCoord cx = xx;
+ wxCoord cy = yy;
+ wxCoord cw = ww;
+ wxCoord ch = hh;
+
+ // interpret userscale of src too
+ double xsc,ysc;
+ memDC->GetUserScale(&xsc,&ysc);
+ bm_width = (int) (bm_width / xsc);
+ bm_height = (int) (bm_height / ysc);
+
+ wxCoord bm_ww = XLOG2DEVREL( bm_width );
+ wxCoord bm_hh = YLOG2DEVREL( bm_height );
+
+ // Scale bitmap if required
+ wxBitmap use_bitmap;
+ if ((memDC->m_selected.GetWidth()!= bm_ww) || ( memDC->m_selected.GetHeight()!= bm_hh))
+ {
+ // This indicates that the blitting code below will get
+ // a clipped bitmap and therefore needs to move the origin
+ // accordingly
+ wxRegion tmp( xx,yy,ww,hh );
+ tmp.Intersect( m_currentClippingRegion );
+ tmp.GetBox(cx,cy,cw,ch);
+
+ // Scale and clipped bitmap
+ use_bitmap = memDC->m_selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
+ }
+ else
+ {
+ // Don't scale bitmap
+ use_bitmap = memDC->m_selected;
+ }
+
+ // apply mask if any
+ GdkBitmap *mask = NULL;
+ if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+ GdkBitmap *new_mask = NULL;
+
+ if (useMask && mask)
+ {
+ if (!m_currentClippingRegion.IsNull())
+ {
+ GdkColor col;
+ new_mask = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, 1 );
+ GdkGC *gc = gdk_gc_new( new_mask );
+ col.pixel = 0;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_gc_set_ts_origin( gc, -xsrcMask, -ysrcMask);
+ gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
+ col.pixel = 0;
+ gdk_gc_set_background( gc, &col );
+ col.pixel = 1;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
+ // was: gdk_gc_set_clip_origin( gc, -xx, -yy );
+ gdk_gc_set_clip_origin( gc, -cx, -cy );
+ gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
+ gdk_gc_set_stipple( gc, mask );
+ gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
+ gdk_gc_unref( gc );
+ }
+
+ if (is_mono)
+ {
+ if (new_mask)
+ {
+ gdk_gc_set_clip_mask( m_textGC, new_mask );
+ gdk_gc_set_clip_origin( m_textGC, cx, cy );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_textGC, mask );
+ gdk_gc_set_clip_origin( m_textGC, cx-xsrcMask, cy-ysrcMask );
+ }
+ }
+ else
+ {
+ if (new_mask)
+ {
+ gdk_gc_set_clip_mask( m_penGC, new_mask );
+ gdk_gc_set_clip_origin( m_penGC, cx, cy );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_penGC, mask );
+ gdk_gc_set_clip_origin( m_penGC, cx-xsrcMask, cy-ysrcMask );
+ }
+ }
+ }
+
+ // 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)
+ {
+ // was: gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh );
+ gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, cx, cy, cw, ch );
+ }
+ else
+ {
+ // was: gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
+ gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, cx, cy, cw, ch );
+ }
+
+ // remove mask again if any
+ if (useMask && mask)
+ {
+ if (is_mono)
+ {
+ gdk_gc_set_clip_mask( m_textGC, NULL );
+ gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+ if (!m_currentClippingRegion.IsNull())
+ gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_penGC, NULL );
+ gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+ if (!m_currentClippingRegion.IsNull())
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ }
+ }
+
+ if (new_mask)
+ gdk_bitmap_unref( new_mask );
+ }
+ else // use_bitmap_method
+ {
+ if ((width != ww) || (height != hh))
+ {
+ // get clip coords
+ wxRegion tmp( xx,yy,ww,hh );
+ tmp.Intersect( m_currentClippingRegion );
+ wxCoord cx,cy,cw,ch;
+ tmp.GetBox(cx,cy,cw,ch);
+
+ // rescale bitmap
+ wxBitmap bitmap = memDC->m_selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
+
+ // draw scaled bitmap
+ // was: gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+ gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 );
+ }
+ else
+ {
+ // No scaling and not a memory dc with a mask either
+
+ // copy including child window contents
+ gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
+ gdk_window_copy_area( m_window, m_penGC, xx, yy,
+ srcDC->GetWindow(),
+ xsrc, ysrc, width, height );
+ gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
+ }
+ }
+
+ SetLogicalFunction( old_logical_func );
+
+ return true;
}
-long wxPaintDC::GetCharHeight(void)
+void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
{
- if (!Ok()) return 0;
-
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
- return long((font->ascent + font->descent) / m_scaleY);
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ if (text.empty()) return;
+
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+
+ wxCHECK_RET( font, wxT("invalid font") );
+
+ x = XLOG2DEV(x);
+ y = YLOG2DEV(y);
+
+ wxCoord width = gdk_string_width( font, text.mbc_str() );
+ wxCoord height = font->ascent + font->descent;
+
+ if ( m_backgroundMode == wxSOLID )
+ {
+ gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
+ gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+ }
+ gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text.mbc_str() );
+
+ /* CMB 17/7/98: simple underline: ignores scaling and underlying
+ X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
+ properties (see wxXt implementation) */
+ if (m_font.GetUnderlined())
+ {
+ wxCoord ul_y = y + font->ascent;
+ if (font->descent > 0) ul_y++;
+ gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
+ }
+
+ width = wxCoord(width / m_scaleX);
+ height = wxCoord(height / m_scaleY);
+ CalcBoundingBox (x + width, y + height);
+ CalcBoundingBox (x, y);
}
-void wxPaintDC::Clear(void)
+
+// TODO: There is an example of rotating text with GTK2 that would probably be
+// a better approach here:
+// http://www.daa.com.au/pipermail/pygtk/2003-April/005052.html
+
+void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
{
- 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 ( wxIsNullDouble(angle) )
+ {
+ DoDrawText(text, x, y);
+ return;
+ }
+
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ wxCoord w;
+ wxCoord h;
+
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+
+ wxCHECK_RET( font, wxT("invalid font") );
+
+ // the size of the text
+ w = gdk_string_width( font, text.mbc_str() );
+ h = font->ascent + font->descent;
+
+ // draw the string normally
+ wxBitmap src(w, h);
+ wxMemoryDC dc;
+ dc.SelectObject(src);
+ dc.SetFont(GetFont());
+ dc.SetBackground(*wxBLACK_BRUSH);
+ dc.SetBrush(*wxBLACK_BRUSH);
+ dc.Clear();
+ dc.SetTextForeground( *wxWHITE );
+ dc.DrawText(text, 0, 0);
+ 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);
+
+
+ wxImage image = src.ConvertToImage();
+
+ image.ConvertColourToAlpha( m_textForegroundColour.Red(),
+ m_textForegroundColour.Green(),
+ m_textForegroundColour.Blue() );
+ image = image.Rotate( rad, wxPoint(0,0) );
+
+ int i_angle = (int) angle;
+ i_angle = i_angle % 360;
+ if (i_angle < 0)
+ i_angle += 360;
+ int xoffset = 0;
+ if ((i_angle >= 90.0) && (i_angle < 270.0))
+ xoffset = image.GetWidth();
+ int yoffset = 0;
+ if ((i_angle >= 0.0) && (i_angle < 180.0))
+ yoffset = image.GetHeight();
+
+ if ((i_angle >= 0) && (i_angle < 90))
+ yoffset -= (int)( cos(rad)*h );
+ if ((i_angle >= 90) && (i_angle < 180))
+ xoffset -= (int)( sin(rad)*h );
+ if ((i_angle >= 180) && (i_angle < 270))
+ yoffset -= (int)( cos(rad)*h );
+ if ((i_angle >= 270) && (i_angle < 360))
+ xoffset -= (int)( sin(rad)*h );
+
+ int i_x = x - xoffset;
+ int i_y = y - yoffset;
+
+ src = image;
+ DoDrawBitmap( src, i_x, i_y, true );
+
+
+ // 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
+
+ // update the bounding box
+ CalcBoundingBox(x + minX, y + minY);
+ CalcBoundingBox(x + maxX, y + maxY);
}
-void wxPaintDC::SetFont( const wxFont &font )
+void wxWindowDCImpl::DoGetTextExtent(const wxString &string,
+ wxCoord *width, wxCoord *height,
+ wxCoord *descent, wxCoord *externalLeading,
+ const wxFont *theFont) const
{
- if (!Ok()) return;
-
- m_font = font;
+ if ( width )
+ *width = 0;
+ if ( height )
+ *height = 0;
+ if ( descent )
+ *descent = 0;
+ if ( externalLeading )
+ *externalLeading = 0;
+
+ if (string.empty())
+ {
+ return;
+ }
+
+ wxFont fontToUse = m_font;
+ if (theFont)
+ fontToUse = *theFont;
+
+ GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
+ if ( !font )
+ return;
+
+ 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);
}
-void wxPaintDC::SetPen( const wxPen &pen )
+wxCoord wxWindowDCImpl::GetCharWidth() const
{
- 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() );
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+ return wxCoord(gdk_string_width( font, "H" ) / m_scaleX);
}
-void wxPaintDC::SetBrush( const wxBrush &brush )
+wxCoord wxWindowDCImpl::GetCharHeight() const
{
- 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] );
- }
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+ return wxCoord((font->ascent + font->descent) / m_scaleY);
}
-// 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 )
+void wxWindowDCImpl::Clear()
{
- 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( IsOk(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ // VZ: the code below results in infinite recursion and crashes when
+ // dc.Clear() is done from OnPaint() so I disable it for now.
+ // I don't know what the correct fix is but Clear() surely should not
+ // reenter OnPaint()!
+#if 0
+ /* - 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)
+ {
+ m_owner->Clear();
+ return;
+ }
+
+ if (m_isMemDC)
+ {
+ int width,height;
+ GetSize( &width, &height );
+ gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+ return;
+ }
+#else // 1
+ int width,height;
+ GetSize( &width, &height );
+ gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+#endif // 0/1
}
-void wxPaintDC::SetLogicalFunction( int function )
+void wxWindowDCImpl::SetFont( const wxFont &font )
{
- 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 );
+ m_font = font;
}
-void wxPaintDC::SetTextForeground( const wxColour &col )
+void wxWindowDCImpl::SetPen( const wxPen &pen )
{
- 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() );
+ wxCHECK_RET( IsOk(), 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;
+ if ( !width )
+ {
+ // width can't be 0 or an internal GTK error occurs inside
+ // gdk_gc_set_dashes() below
+ width = 1;
+ }
+ }
+
+ static const wxGTKDash dotted[] = {1, 1};
+ static const wxGTKDash short_dashed[] = {2, 2};
+ static const wxGTKDash wxCoord_dashed[] = {2, 4};
+ static const wxGTKDash 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 wxGTKDash *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 = (wxGTKDash*)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 = NULL;
+ req_nb_dash = 0;
+ break;
+ }
+ }
+
+ if (req_dash && req_nb_dash)
+ {
+ wxGTKDash *real_req_dash = new wxGTKDash[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, (wxGTKDash*)req_dash, req_nb_dash );
+ }
+ }
+
+ 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 wxPaintDC::SetTextBackground( const wxColour &col )
+void wxWindowDCImpl::SetBrush( const wxBrush &brush )
{
- 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() );
+ wxCHECK_RET( IsOk(), 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 (m_brush.IsHatch())
+ {
+ gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
+ int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
+ gdk_gc_set_stipple( m_brushGC, hatches[num] );
+ }
}
-void wxPaintDC::SetBackgroundMode( int mode )
+void wxWindowDCImpl::SetBackground( const wxBrush &brush )
{
- 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: Added SetBackground. Sets background brush
+ * for Clear() and bg colour for shapes filled with cross-hatch brush */
+
+ wxCHECK_RET( IsOk(), 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 (m_backgroundBrush.IsHatch())
+ {
+ gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
+ int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
+ gdk_gc_set_stipple( m_bgGC, hatches[num] );
+ }
}
-void wxPaintDC::SetPalette( const wxPalette& WXUNUSED(palette) )
+void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function )
{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (m_logicalFunction == function)
+ return;
+
+ // VZ: shouldn't this be a CHECK?
+ if (!m_window)
+ return;
+
+ GdkFunction mode;
+ switch (function)
+ {
+ case wxXOR: mode = GDK_XOR; break;
+ case wxINVERT: mode = GDK_INVERT; break;
+ 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;
+ default:
+ wxFAIL_MSG( wxT("unsupported logical function") );
+ mode = GDK_COPY;
+ }
+
+ 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).
+ // True, but mono-bitmaps use the m_textGC and they use ROPs as well.
+ gdk_gc_set_function( m_textGC, mode );
}
-void wxPaintDC::SetClippingRegion( long x, long y, long width, long height )
+void wxWindowDCImpl::SetTextForeground( const wxColour &col )
{
- 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 );
-
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ // don't set m_textForegroundColour to an invalid colour as we'd crash
+ // later then (we use m_textForegroundColour.GetColor() without checking
+ // in a few places)
+ if ( !col.Ok() || (m_textForegroundColour == col) )
+ return;
+
+ m_textForegroundColour = col;
+
+ if ( m_window )
+ {
+ m_textForegroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+ }
}
-void wxPaintDC::DestroyClippingRegion(void)
+void wxWindowDCImpl::SetTextBackground( const wxColour &col )
{
- 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 );
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ // same as above
+ if ( !col.Ok() || (m_textBackgroundColour == col) )
+ return;
+
+ m_textBackgroundColour = col;
+
+ if ( m_window )
+ {
+ m_textBackgroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+ }
}
-void wxPaintDC::SetUpDC(void)
+void wxWindowDCImpl::SetBackgroundMode( int mode )
{
- 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 );
- }
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ m_backgroundMode = mode;
+
+ if (!m_window) return;
+
+ // CMB 21/7/98: fill style of cross-hatch brushes is affected by
+ // transparent/solid background mode
+
+ if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_gc_set_fill( m_brushGC,
+ (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED);
+ }
}
-GdkWindow *wxPaintDC::GetWindow(void)
+void wxWindowDCImpl::SetPalette( const wxPalette& WXUNUSED(palette) )
{
- return m_window;
+ wxFAIL_MSG( wxT("wxWindowDCImpl::SetPalette not implemented") );
}
-// ----------------------------------- spline code ----------------------------------------
+void wxWindowDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ wxRect rect;
+ rect.x = XLOG2DEV(x);
+ rect.y = YLOG2DEV(y);
+ rect.width = XLOG2DEVREL(width);
+ rect.height = YLOG2DEVREL(height);
-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);
-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,
- double x4, double y4);
-static bool wx_spline_add_point(double x, double y);
-static void wx_spline_draw_point_array(wxDC *dc);
+ if (!m_currentClippingRegion.IsNull())
+ m_currentClippingRegion.Intersect( rect );
+ else
+ m_currentClippingRegion.Union( rect );
-wxList wx_spline_point_list;
+#if USE_PAINT_REGION
+ if (!m_paintClippingRegion.IsNull())
+ m_currentClippingRegion.Intersect( m_paintClippingRegion );
+#endif
-#define half(z1, z2) ((z1+z2)/2.0)
-#define THRESHOLD 5
+ wxCoord xx, yy, ww, hh;
+ m_currentClippingRegion.GetBox( xx, yy, ww, hh );
+ wxGTKDCImpl::DoSetClippingRegion( xx, yy, ww, hh );
-/* iterative version */
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
+}
-void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, double b3, double a4,
- double b4)
+void wxWindowDCImpl::DoSetDeviceClippingRegion( const wxRegion ®ion )
{
- register double xmid, ymid;
- double x1, y1, x2, y2, x3, y3, x4, y4;
-
- wx_clear_stack();
- wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4);
-
- 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) {
- wx_spline_add_point( x1, y1 );
- wx_spline_add_point( xmid, ymid );
- } 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);
- }
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (region.Empty())
+ {
+ DestroyClippingRegion();
+ return;
}
-}
-/* utilities used by spline drawing routines */
+ if (!m_window) return;
-typedef struct wx_spline_stack_struct {
- double x1, y1, x2, y2, x3, y3, x4, y4;
-} Stack;
+ if (!m_currentClippingRegion.IsNull())
+ m_currentClippingRegion.Intersect( region );
+ else
+ m_currentClippingRegion.Union( region );
-#define SPLINE_STACK_DEPTH 20
-static Stack wx_spline_stack[SPLINE_STACK_DEPTH];
-static Stack *wx_stack_top;
-static int wx_stack_count;
+#if USE_PAINT_REGION
+ if (!m_paintClippingRegion.IsNull())
+ m_currentClippingRegion.Intersect( m_paintClippingRegion );
+#endif
-void wx_clear_stack(void)
-{
- wx_stack_top = wx_spline_stack;
- wx_stack_count = 0;
+ wxCoord xx, yy, ww, hh;
+ m_currentClippingRegion.GetBox( xx, yy, ww, hh );
+ wxGTKDCImpl::DoSetClippingRegion( xx, yy, ww, hh );
+
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
}
-void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
+void wxWindowDCImpl::DestroyClippingRegion()
{
- wx_stack_top->x1 = x1;
- wx_stack_top->y1 = y1;
- wx_stack_top->x2 = x2;
- wx_stack_top->y2 = y2;
- wx_stack_top->x3 = x3;
- wx_stack_top->y3 = y3;
- wx_stack_top->x4 = x4;
- wx_stack_top->y4 = y4;
- wx_stack_top++;
- wx_stack_count++;
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ wxGTKDCImpl::DestroyClippingRegion();
+
+ m_currentClippingRegion.Clear();
+
+#if USE_PAINT_REGION
+ if (!m_paintClippingRegion.IsEmpty())
+ m_currentClippingRegion.Union( m_paintClippingRegion );
+#endif
+
+ if (!m_window) return;
+
+ if (m_currentClippingRegion.IsEmpty())
+ {
+ 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 );
+ }
+ else
+ {
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
+ }
}
-int wx_spline_pop(double *x1, double *y1, double *x2, double *y2,
- double *x3, double *y3, double *x4, double *y4)
+void wxWindowDCImpl::Destroy()
{
- if (wx_stack_count == 0)
- return (0);
- wx_stack_top--;
- wx_stack_count--;
- *x1 = wx_stack_top->x1;
- *y1 = wx_stack_top->y1;
- *x2 = wx_stack_top->x2;
- *y2 = wx_stack_top->y2;
- *x3 = wx_stack_top->x3;
- *y3 = wx_stack_top->y3;
- *x4 = wx_stack_top->x4;
- *y4 = wx_stack_top->y4;
- return (1);
+ if (m_penGC) wxFreePoolGC( m_penGC );
+ m_penGC = NULL;
+ if (m_brushGC) wxFreePoolGC( m_brushGC );
+ m_brushGC = NULL;
+ if (m_textGC) wxFreePoolGC( m_textGC );
+ m_textGC = NULL;
+ if (m_bgGC) wxFreePoolGC( m_bgGC );
+ m_bgGC = NULL;
}
-static bool wx_spline_add_point(double x, double y)
+void wxWindowDCImpl::ComputeScaleAndOrigin()
{
- wxPoint *point = new wxPoint ;
- point->x = (int) x;
- point->y = (int) y;
- wx_spline_point_list.Append((wxObject*)point);
- return TRUE;
+ const wxRealPoint origScale(m_scaleX, m_scaleY);
+
+ wxGTKDCImpl::ComputeScaleAndOrigin();
+
+ // if scale has changed call SetPen to recalulate the line width
+ if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && 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 );
+ }
}
-static void wx_spline_draw_point_array(wxDC *dc)
+// Resolution in pixels per logical inch
+wxSize wxWindowDCImpl::GetPPI() const
{
- dc->DrawLines(&wx_spline_point_list, 0, 0 );
- wxNode *node = wx_spline_point_list.First();
- while (node)
- {
- wxPoint *point = (wxPoint *)node->Data();
- delete point;
- delete node;
- node = wx_spline_point_list.First();
- }
+ return wxSize( (int) (m_mm_to_pix_x * 25.4 + 0.5), (int) (m_mm_to_pix_y * 25.4 + 0.5));
}
-void wxPaintDC::DrawOpenSpline( wxList *points )
+int wxWindowDCImpl::GetDepth() const
{
- wxPoint *p;
- double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
- double x1, y1, x2, y2;
+ wxFAIL_MSG(wxT("not implemented"));
- wxNode *node = points->First();
- p = (wxPoint *)node->Data();
+ return -1;
+}
+
+
+//-----------------------------------------------------------------------------
+// wxPaintDCImpl
+//-----------------------------------------------------------------------------
- x1 = p->x;
- y1 = p->y;
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxClientDCImpl)
- node = node->Next();
- p = (wxPoint *)node->Data();
+// Limit the paint region to the window size. Sometimes
+// the paint region is too big, and this risks X11 errors
+static void wxLimitRegionToSize(wxRegion& region, const wxSize& sz)
+{
+ wxRect originalRect = region.GetBox();
+ wxRect rect(originalRect);
+ if (rect.width + rect.x > sz.x)
+ rect.width = sz.x - rect.x;
+ if (rect.height + rect.y > sz.y)
+ rect.height = sz.y - rect.y;
+ if (rect != originalRect)
+ {
+ region = wxRegion(rect);
+ wxLogTrace(wxT("painting"), wxT("Limiting region from %d, %d, %d, %d to %d, %d, %d, %d\n"),
+ originalRect.x, originalRect.y, originalRect.width, originalRect.height,
+ rect.x, rect.y, rect.width, rect.height);
+ }
+}
- x2 = p->x;
- y2 = p->y;
- cx1 = (double)((x1 + x2) / 2);
- cy1 = (double)((y1 + y2) / 2);
- cx2 = (double)((cx1 + x2) / 2);
- cy2 = (double)((cy1 + y2) / 2);
+wxPaintDCImpl::wxPaintDCImpl(wxDC *owner, wxWindow *win)
+ : wxClientDCImpl(owner, win)
+{
+#if USE_PAINT_REGION
+ if (!win->m_clipPaintRegion)
+ return;
- wx_spline_add_point(x1, y1);
+ wxSize sz = win->GetSize();
+ m_paintClippingRegion = win->GetUpdateRegion();
+ wxLimitRegionToSize(m_paintClippingRegion, sz);
- while ((node = node->Next()) != NULL)
+ GdkRegion *region = m_paintClippingRegion.GetRegion();
+ if ( region )
{
- p = (wxPoint *)node->Data();
- 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;
- cy3 = (double)(y1 + cy4) / 2;
+ m_currentClippingRegion.Union( m_paintClippingRegion );
+ wxLimitRegionToSize(m_currentClippingRegion, sz);
- wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
+ if (sz.x <= 0 || sz.y <= 0)
+ return ;
- cx1 = cx4;
- cy1 = cy4;
- cx2 = (double)(cx1 + x2) / 2;
- cy2 = (double)(cy1 + y2) / 2;
+ gdk_gc_set_clip_region( m_penGC, region );
+ gdk_gc_set_clip_region( m_brushGC, region );
+ gdk_gc_set_clip_region( m_textGC, region );
+ gdk_gc_set_clip_region( m_bgGC, region );
}
+#endif // USE_PAINT_REGION
+}
+
+//-----------------------------------------------------------------------------
+// wxClientDCImpl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl)
+
+wxClientDCImpl::wxClientDCImpl(wxDC *owner, wxWindow *win)
+ : wxWindowDCImpl(owner, win)
+{
+ wxCHECK_RET( win, wxT("NULL window in wxClientDCImpl::wxClientDCImpl") );
+
+#ifdef __WXUNIVERSAL__
+ wxPoint ptOrigin = win->GetClientAreaOrigin();
+ SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
+ wxSize size = win->GetClientSize();
+ SetClippingRegion(wxPoint(0, 0), size);
+#endif // __WXUNIVERSAL__
+}
- wx_spline_add_point( cx1, cy1 );
- wx_spline_add_point( x2, y2 );
+void wxClientDCImpl::DoGetSize(int *width, int *height) const
+{
+ wxCHECK_RET( m_owner, wxT("GetSize() doesn't work without window") );
+
+ m_owner->GetClientSize( width, height );
+}
+
+// ----------------------------------------------------------------------------
+// wxDCModule
+// ----------------------------------------------------------------------------
+
+class wxDCModule : public wxModule
+{
+public:
+ bool OnInit();
+ void OnExit();
- wx_spline_draw_point_array( this );
+private:
+ DECLARE_DYNAMIC_CLASS(wxDCModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
+
+bool wxDCModule::OnInit()
+{
+ wxInitGCPool();
+ return true;
+}
+
+void wxDCModule::OnExit()
+{
+ wxCleanUpGCPool();
}
projects / wxWidgets.git / blobdiff