X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c2fa61e833ffe9789ef3d3327157e17101a4a2ce..32cdc45397d8c0a24735f84e1dcf83bba1980f2d:/src/gtk1/dcclient.cpp diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp index 00ff2ed06c..73f7c3e9d8 100644 --- a/src/gtk1/dcclient.cpp +++ b/src/gtk1/dcclient.cpp @@ -1,28 +1,31 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: gtk/dcclient.cpp +// Name: src/gtk1/dcclient.cpp // Purpose: // Author: Robert Roebling // RCS-ID: $Id$ -// Copyright: (c) 1998 Robert Roebling, Markus Holzem, Chris Breeze +// Copyright: (c) 1998 Robert Roebling, Chris Breeze // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "dcclient.h" -#endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #ifdef __VMS #define XCopyPlane XCOPYPLANE #endif -#include "wx/dcclient.h" -#include "wx/dcmemory.h" -#include "wx/image.h" -#include "wx/module.h" +#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/gtk/win_gtk.h" +#include "wx/fontutil.h" -#include // for floating-point functions +#include "wx/gtk1/win_gtk.h" +#include "wx/gtk1/dcclient.h" +#include "wx/gtk1/dcmemory.h" #include #include @@ -77,57 +80,37 @@ static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } #include "gdk/gdkprivate.h" -void gdk_wx_draw_bitmap (GdkDrawable *drawable, - GdkGC *gc, - GdkDrawable *src, - gint xsrc, - gint ysrc, - gint xdest, - gint ydest, - gint width, - gint height) +void gdk_wx_draw_bitmap(GdkDrawable *drawable, + GdkGC *gc, + GdkDrawable *src, + gint xsrc, + gint ysrc, + gint xdest, + gint ydest, + gint width, + gint height) { - gint src_width, src_height; -#ifndef __WXGTK20__ + wxCHECK_RET( drawable, _T("NULL drawable in gdk_wx_draw_bitmap") ); + wxCHECK_RET( src, _T("NULL src in gdk_wx_draw_bitmap") ); + wxCHECK_RET( gc, _T("NULL gc in gdk_wx_draw_bitmap") ); + GdkWindowPrivate *drawable_private; GdkWindowPrivate *src_private; GdkGCPrivate *gc_private; -#endif - g_return_if_fail (drawable != NULL); - g_return_if_fail (src != NULL); - g_return_if_fail (gc != NULL); - -#ifdef __WXGTK20__ - if (GDK_WINDOW_DESTROYED(drawable) || GDK_WINDOW_DESTROYED(src)) - return; - - gdk_drawable_get_size(src, &src_width, &src_height); -#else drawable_private = (GdkWindowPrivate*) drawable; src_private = (GdkWindowPrivate*) src; if (drawable_private->destroyed || src_private->destroyed) return; - src_width = src_private->width; - src_height = src_private->height; + gint src_width = src_private->width; + gint src_height = src_private->height; gc_private = (GdkGCPrivate*) gc; -#endif if (width == -1) width = src_width; if (height == -1) height = src_height; -#ifdef __WXGTK20__ - XCopyPlane( GDK_WINDOW_XDISPLAY(drawable), - GDK_WINDOW_XID(src), - GDK_WINDOW_XID(drawable), - GDK_GC_XGC(gc), - xsrc, ysrc, - width, height, - xdest, ydest, - 1 ); -#else XCopyPlane( drawable_private->xdisplay, src_private->xwindow, drawable_private->xwindow, @@ -136,15 +119,12 @@ void gdk_wx_draw_bitmap (GdkDrawable *drawable, width, height, xdest, ydest, 1 ); -#endif } //----------------------------------------------------------------------------- // Implement Pool of Graphic contexts. Creating them takes too much time. //----------------------------------------------------------------------------- -#define GC_POOL_SIZE 200 - enum wxPoolGCType { wxGC_ERROR = 0, @@ -169,52 +149,108 @@ struct wxGC bool m_used; }; -static wxGC wxGCPool[GC_POOL_SIZE]; +#define GC_POOL_ALLOC_SIZE 100 + +static int wxGCPoolSize = 0; + +static wxGC *wxGCPool = NULL; static void wxInitGCPool() { - memset( wxGCPool, 0, GC_POOL_SIZE*sizeof(wxGC) ); + // 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)); } static void wxCleanUpGCPool() { - for (int i = 0; i < GC_POOL_SIZE; i++) + 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; } static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type ) { - for (int i = 0; i < GC_POOL_SIZE; i++) + 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; + wxGCPool[i].m_used = false; } if ((!wxGCPool[i].m_used) && (wxGCPool[i].m_type == type)) { - wxGCPool[i].m_used = TRUE; + 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 (GdkGC*) NULL; + return NULL; } static void wxFreePoolGC( GdkGC *gc ) { - for (int i = 0; i < GC_POOL_SIZE; i++) + for (int i = 0; i < wxGCPoolSize; i++) { if (wxGCPool[i].m_gc == gc) { - wxGCPool[i].m_used = FALSE; + wxGCPool[i].m_used = false; return; } } @@ -223,46 +259,44 @@ static void wxFreePoolGC( GdkGC *gc ) } //----------------------------------------------------------------------------- -// wxWindowDC +// wxWindowDCImpl //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC) +IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxDC) -wxWindowDC::wxWindowDC() +wxWindowDCImpl::wxWindowDCImpl(wxDC *owner) + : wxGTKDCImpl(owner) { - m_penGC = (GdkGC *) NULL; - m_brushGC = (GdkGC *) NULL; - m_textGC = (GdkGC *) NULL; - m_bgGC = (GdkGC *) NULL; - m_cmap = (GdkColormap *) NULL; - m_isMemDC = FALSE; - m_isScreenDC = FALSE; - m_owner = (wxWindow *)NULL; -#ifdef __WXGTK20__ - m_context = (PangoContext *)NULL; - m_fontdesc = (PangoFontDescription *)NULL; -#endif + m_penGC = NULL; + m_brushGC = NULL; + m_textGC = NULL; + m_bgGC = NULL; + m_cmap = NULL; + m_isMemDC = false; + m_isScreenDC = false; + m_owner = NULL; } -wxWindowDC::wxWindowDC( wxWindow *window ) +wxWindowDCImpl::wxWindowDCImpl(wxDC *owner, wxWindow *window) + : wxGTKDCImpl(owner) { - m_penGC = (GdkGC *) NULL; - m_brushGC = (GdkGC *) NULL; - m_textGC = (GdkGC *) NULL; - m_bgGC = (GdkGC *) NULL; - m_cmap = (GdkColormap *) NULL; - m_owner = (wxWindow *)NULL; - m_isMemDC = FALSE; - m_isScreenDC = FALSE; - m_font = window->GetFont(); - wxASSERT_MSG( window, wxT("DC needs a window") ); + 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 + // 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 + // use the parent window here then. if ( !widget ) { window = window->GetParent(); @@ -271,19 +305,14 @@ wxWindowDC::wxWindowDC( wxWindow *window ) wxASSERT_MSG( widget, wxT("DC needs a widget") ); -#ifdef __WXGTK20__ - m_context = gtk_widget_get_pango_context( widget ); - m_fontdesc = widget->style->font_desc; -#endif - GtkPizza *pizza = GTK_PIZZA( widget ); m_window = pizza->bin_window; - /* not realized ? */ + // Window not realized ? if (!m_window) { - /* don't report problems */ - m_ok = TRUE; + // Don't report problems as per MSW. + m_ok = true; return; } @@ -302,14 +331,14 @@ wxWindowDC::wxWindowDC( wxWindow *window ) m_owner = window; } -wxWindowDC::~wxWindowDC() +wxWindowDCImpl::~wxWindowDCImpl() { Destroy(); } -void wxWindowDC::SetUpDC() +void wxWindowDCImpl::SetUpDC() { - m_ok = TRUE; + m_ok = true; wxASSERT_MSG( !m_penGC, wxT("GCs already created") ); @@ -320,8 +349,7 @@ void wxWindowDC::SetUpDC() m_textGC = wxGetPoolGC( m_window, wxTEXT_SCREEN ); m_bgGC = wxGetPoolGC( m_window, wxBG_SCREEN ); } - else - if (m_isMemDC && (((wxMemoryDC*)this)->m_selected.GetDepth() == 1)) + else if (m_isMemDC && (((wxMemoryDCImpl*)this)->m_selected.GetDepth() == 1)) { m_penGC = wxGetPoolGC( m_window, wxPEN_MONO ); m_brushGC = wxGetPoolGC( m_window, wxBRUSH_MONO ); @@ -376,54 +404,57 @@ void wxWindowDC::SetUpDC() gdk_gc_set_function( m_penGC, GDK_COPY ); /* clipping */ - gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL ); - gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL ); - gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL ); - gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL ); + 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( (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 ); + 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 wxWindowDC::DoGetSize( int* width, int* height ) const +void wxWindowDCImpl::DoGetSize( int* width, int* height ) const { wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") ); m_owner->GetSize(width, height); } -void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), - const wxColour &WXUNUSED(col), int WXUNUSED(style) ) +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) { - wxFAIL_MSG( wxT("wxWindowDC::DoFloodFill not implemented") ); + return wxDoFloodFill(GetOwner(), x, y, col, style); } -bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const +bool wxWindowDCImpl::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const { // Generic (and therefore rather inefficient) method. // Could be improved. wxMemoryDC memdc; wxBitmap bitmap(1, 1); memdc.SelectObject(bitmap); - memdc.Blit(0, 0, 1, 1, (wxDC*) this, x1, y1); + memdc.Blit(0, 0, 1, 1, GetOwner(), x1, y1); memdc.SelectObject(wxNullBitmap); - wxImage image(bitmap); + wxImage image = bitmap.ConvertToImage(); col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0)); - return TRUE; + return true; } -void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ) +void wxWindowDCImpl::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (m_pen.GetStyle() != wxTRANSPARENT) { @@ -435,9 +466,9 @@ void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ) } } -void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y ) +void wxWindowDCImpl::DoCrossHair( wxCoord x, wxCoord y ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (m_pen.GetStyle() != wxTRANSPARENT) { @@ -454,10 +485,10 @@ void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y ) } } -void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, +void wxWindowDCImpl::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); wxCoord xx1 = XLOG2DEV(x1); wxCoord yy1 = YLOG2DEV(y1); @@ -476,10 +507,10 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, radius1 = 0.0; radius2 = 360.0; } - else - if (radius == 0.0) + else if ( wxIsNullDouble(radius) ) { - radius1 = radius2 = 0.0; + radius1 = + radius2 = 0.0; } else { @@ -546,9 +577,9 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, CalcBoundingBox (x2, y2); } -void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea ) +void wxWindowDCImpl::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); wxCoord xx = XLOG2DEV(x); wxCoord yy = YLOG2DEV(y); @@ -608,9 +639,9 @@ void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord CalcBoundingBox (x + width, y + height); } -void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y ) +void wxWindowDCImpl::DoDrawPoint( wxCoord x, wxCoord y ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + 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) ); @@ -618,102 +649,108 @@ void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y ) CalcBoundingBox (x, y); } -void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset ) +void wxWindowDCImpl::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (m_pen.GetStyle() == wxTRANSPARENT) return; if (n <= 0) return; - CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset ); - for (int i = 0; i < n-1; i++) + GdkPoint * const gpts = new GdkPoint[n]; + if ( !gpts ) { - wxCoord x1 = XLOG2DEV(points[i].x + xoffset); - wxCoord x2 = XLOG2DEV(points[i+1].x + xoffset); - wxCoord y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste - wxCoord y2 = YLOG2DEV(points[i+1].y + yoffset); + wxFAIL_MSG( wxT("Cannot allocate PolyLine") ); + return; + } - if (m_window) - gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 ); + for (int i = 0; i < n; i++) + { + wxCoord x = points[i].x + xoffset, + y = points[i].y + yoffset; - CalcBoundingBox( points[i+1].x + xoffset, points[i+1].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; } -void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) ) +void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode WXUNUSED(fillStyle) ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (n <= 0) return; - GdkPoint *gdkpoints = new GdkPoint[n+1]; - int i; - for (i = 0 ; i < n ; i++) + GdkPoint * const gpts = new GdkPoint[n]; + + for (int i = 0 ; i < n ; i++) { - gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset); - gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset); + wxCoord x = points[i].x + xoffset, + y = points[i].y + yoffset; + + CalcBoundingBox(x + xoffset, y + yoffset); - CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset ); + gpts[i].x = XLOG2DEV(x); + gpts[i].y = YLOG2DEV(y); } - if (m_window) + if (m_brush.GetStyle() == wxSOLID) { - if (m_brush.GetStyle() != wxTRANSPARENT) + 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())) { - if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) - { - gdk_gc_set_ts_origin( m_textGC, - m_deviceOriginX % m_brush.GetStipple()->GetWidth(), - m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); - gdk_draw_polygon( m_window, m_textGC, TRUE, gdkpoints, n ); - gdk_gc_set_ts_origin( m_textGC, 0, 0 ); - } else - if (IS_15_PIX_HATCH(m_brush.GetStyle())) - { - gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 ); - gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n ); - gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); - } else - if (IS_16_PIX_HATCH(m_brush.GetStyle())) - { - gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 ); - gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n ); - gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); - } else - if (m_brush.GetStyle() == wxSTIPPLE) - { - gdk_gc_set_ts_origin( m_brushGC, - m_deviceOriginX % m_brush.GetStipple()->GetWidth(), - m_deviceOriginY % m_brush.GetStipple()->GetHeight() ); - gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n ); - gdk_gc_set_ts_origin( m_brushGC, 0, 0 ); - } - else - { - gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n ); - } + 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 ); } - - if (m_pen.GetStyle() != wxTRANSPARENT) + else { - 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); - } + gdk_draw_polygon( m_window, m_brushGC, TRUE, gpts, n ); } } - delete[] gdkpoints; + if (m_pen.GetStyle() != wxTRANSPARENT) + { + gdk_draw_polygon( m_window, m_penGC, FALSE, gpts, n ); + + } + + delete[] gpts; } -void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) +void wxWindowDCImpl::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); wxCoord xx = XLOG2DEV(x); wxCoord yy = YLOG2DEV(y); @@ -773,9 +810,9 @@ void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord h CalcBoundingBox( x + width, y + height ); } -void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius ) +void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (radius < 0.0) radius = - radius * ((width < height) ? width : height); @@ -793,7 +830,7 @@ void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wx // X drawing errors with small radii if (rr == 0) { - DrawRectangle( x, y, width, height ); + DoDrawRectangle( x, y, width, height ); return; } @@ -896,9 +933,9 @@ void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wx CalcBoundingBox( x + width, y + height ); } -void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) +void wxWindowDCImpl::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); wxCoord xx = XLOG2DEV(x); wxCoord yy = YLOG2DEV(y); @@ -955,23 +992,23 @@ void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord hei CalcBoundingBox( x + width, y + height ); } -void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y ) +void wxWindowDCImpl::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y ) { // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why - DoDrawBitmap( (const wxBitmap&)icon, x, y, (bool)TRUE ); + DoDrawBitmap( (const wxBitmap&)icon, x, y, true ); } -void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap, +void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y, bool useMask ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + 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 */ + // scale/translate size and position int xx = XLOG2DEV(x); int yy = YLOG2DEV(y); @@ -986,7 +1023,7 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap, int ww = XLOG2DEVREL(w); int hh = YLOG2DEVREL(h); - /* compare to current clipping region */ + // compare to current clipping region if (!m_currentClippingRegion.IsNull()) { wxRegion tmp( xx,yy,ww,hh ); @@ -995,214 +1032,248 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap, return; } - /* scale bitmap if required */ - wxBitmap use_bitmap; + // scale bitmap if required + wxBitmap use_bitmap = bitmap; if ((w != ww) || (h != hh)) - { - wxImage image( bitmap ); - image.Rescale( ww, hh ); - if (is_mono) - use_bitmap = image.ConvertToMonoBitmap(255,255,255); - else - use_bitmap = image.ConvertToBitmap(); - } - else - { - use_bitmap = bitmap; - } + use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh ); - /* apply mask if any */ - GdkBitmap *mask = (GdkBitmap *) NULL; + // 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(); - if (useMask && mask) + GdkBitmap *new_mask = NULL; + + if (useMask && mask) + { + if (!m_currentClippingRegion.IsNull()) { - GdkBitmap *new_mask = (GdkBitmap*) NULL; - 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 ); - } + 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 ); - } + if (is_mono) + { + if (new_mask) + gdk_gc_set_clip_mask( m_textGC, new_mask ); 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 ); - } + gdk_gc_set_clip_mask( m_textGC, mask ); + gdk_gc_set_clip_origin( m_textGC, xx, yy ); + } + else + { if (new_mask) - gdk_bitmap_unref( 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 */ + // 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 ); + { + gdk_draw_pixmap(m_window, m_penGC, + use_bitmap.GetPixmap(), + 0, 0, xx, yy, -1, -1); + } - /* remove mask again if any */ + // remove mask again if any if (useMask && mask) { if (is_mono) { - gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL ); + 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, (GdkBitmap *) NULL ); + 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 ); } -bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, - wxDC *source, wxCoord xsrc, wxCoord ysrc, - int logical_func, bool useMask ) +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 ) { - /* this is the nth try to get this utterly useless function to - work. it now completely ignores the scaling or translation - of the source dc, but scales correctly on the target dc and - knows about possible mask information in a memory dc. */ + wxCHECK_MSG( IsOk(), false, wxT("invalid window dc") ); - wxCHECK_MSG( Ok(), FALSE, wxT("invalid window dc") ); + wxCHECK_MSG( source, false, wxT("invalid source dc") ); - wxCHECK_MSG( source, FALSE, wxT("invalid source dc") ); + if (!m_window) return false; - if (!m_window) return FALSE; + // transform the source DC coords to the device ones + xsrc = source->LogicalToDeviceX(xsrc); + ysrc = source->LogicalToDeviceY(ysrc); - wxClientDC *srcDC = (wxClientDC*)source; - wxMemoryDC *memDC = (wxMemoryDC*)source; + wxWindowDCImpl *srcDC = wxDynamicCast(source->GetImpl(), wxWindowDCImpl); + wxCHECK_MSG( srcDC, false, "source must be a window DC" ); - bool use_bitmap_method = FALSE; - bool is_mono = FALSE; + // FIXME: this cast is not always valid, see the code using m_isMemDC + wxMemoryDCImpl *memDC = static_cast(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; + if (!memDC->m_selected.Ok()) return false; - /* we use the "XCopyArea" way to copy a memory dc into - y different window if the memory dc BOTH - a) doesn't have any mask or its mask isn't used - b) it is clipped - c) is not 1-bit */ + 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; + // we HAVE TO use the direct way for memory dcs + // that have mask since the XCopyArea doesn't know + // about masks + use_bitmap_method = true; } - else if (memDC->m_selected.GetDepth() == 1) + 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 */ - is_mono = TRUE; - use_bitmap_method = TRUE; + // 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; + // 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; + use_bitmap_method = false; } } CalcBoundingBox( xdest, ydest ); CalcBoundingBox( xdest + width, ydest + height ); - /* scale/translate size and position */ + // 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 */ + // compare to current clipping region if (!m_currentClippingRegion.IsNull()) { wxRegion tmp( xx,yy,ww,hh ); tmp.Intersect( m_currentClippingRegion ); if (tmp.IsEmpty()) - return TRUE; + return true; } - int old_logical_func = m_logicalFunction; + wxRasterOperationMode old_logical_func = m_logicalFunction; SetLogicalFunction( logical_func ); if (use_bitmap_method) { - /* scale/translate bitmap size */ + // 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 */ + // Scale bitmap if required wxBitmap use_bitmap; - - if ((bm_width != bm_ww) || (bm_height != bm_hh)) + if ((memDC->m_selected.GetWidth()!= bm_ww) || ( memDC->m_selected.GetHeight()!= bm_hh)) { - wxImage image( memDC->m_selected ); - image = image.Scale( bm_ww, bm_hh ); - - if (is_mono) - use_bitmap = image.ConvertToMonoBitmap(255,255,255); - else - use_bitmap = image.ConvertToBitmap(); + // 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 = (GdkBitmap *) NULL; + // apply mask if any + GdkBitmap *mask = NULL; if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap(); + GdkBitmap *new_mask = NULL; + if (useMask && mask) { - GdkBitmap *new_mask = (GdkBitmap*) NULL; if (!m_currentClippingRegion.IsNull()) { GdkColor col; @@ -1210,13 +1281,15 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he 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() ); - gdk_gc_set_clip_origin( gc, -xx, -yy ); + // 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 ); @@ -1226,92 +1299,89 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he 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, xx, yy ); + 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, xx, yy ); + gdk_gc_set_clip_origin( m_penGC, cx-xsrcMask, cy-ysrcMask ); + } } - if (new_mask) - gdk_bitmap_unref( new_mask ); } - /* Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For - drawing a mono-bitmap (XBitmap) we use the current text GC */ + // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For + // drawing a mono-bitmap (XBitmap) we use the current text GC if (is_mono) - gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh ); + { + // 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 - gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh ); + { + // 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 */ + // remove mask again if any if (useMask && mask) { if (is_mono) { - gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL ); + 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, (GdkBitmap *) NULL ); + 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 */ + else // use_bitmap_method { if ((width != ww) || (height != hh)) { - /* draw source window into a bitmap as we cannot scale - a window in contrast to a bitmap. this would actually - work with memory dcs as well, but we'd lose the mask - information and waste one step in this process since - a memory already has a bitmap. all this is slightly - inefficient as we could take an XImage directly from - an X window, but we'd then also have to care that - the window is not outside the screen (in which case - we'd get a BadMatch or what not). - Is a double XGetImage and combined XGetPixel and - XPutPixel really faster? I'm not sure. look at wxXt - for a different implementation of the same problem. */ - - wxBitmap bitmap( width, height ); - - /* copy including child window contents */ - gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS ); - gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0, - srcDC->GetWindow(), - xsrc, ysrc, width, height ); - gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN ); - - /* scale image */ - wxImage image( bitmap ); - image = image.Scale( ww, hh ); - - /* convert to bitmap */ - bitmap = image.ConvertToBitmap(); - - /* draw scaled bitmap */ - gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 ); - + // 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 */ + // No scaling and not a memory dc with a mask either - /* copy including child window contents */ + // 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(), @@ -1321,52 +1391,35 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he } SetLogicalFunction( old_logical_func ); - return TRUE; + + return true; } -void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) +void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + 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") ); -#if defined(__WXGTK20__) - wxCHECK_RET( m_context, wxT("no Pango context") ); -#endif - x = XLOG2DEV(x); y = YLOG2DEV(y); -#if defined(__WXGTK20__) && wxUSE_WCHAR_T - /* FIXME: the layout engine should probably be abstracted at a higher level in wxDC... */ - PangoLayout *layout = pango_layout_new(m_context); - pango_layout_set_font_description(layout, m_fontdesc); - { - wxWX2MBbuf data = text.mb_str(wxConvUTF8); - pango_layout_set_text(layout, data, strlen(data)); - } - PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data; - PangoRectangle rect; - pango_layout_line_get_extents(line, NULL, &rect); - wxCoord width = rect.width; - wxCoord height = rect.height; - gdk_draw_layout( m_window, m_textGC, x, y, layout ); -#else wxCoord width = gdk_string_width( font, text.mbc_str() ); wxCoord height = font->ascent + font->descent; - /* CMB 21/5/98: draw text background if mode is wxSOLID */ - if (m_backgroundMode == wxSOLID) + + if ( m_backgroundMode == wxSOLID ) { gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() ); gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height ); gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() ); } gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text.mbc_str() ); -#endif /* CMB 17/7/98: simple underline: ignores scaling and underlying X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS @@ -1378,46 +1431,50 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y); } -#if defined(__WXGTK20__) && wxUSE_WCHAR_T - g_object_unref( G_OBJECT( layout ) ); -#endif - width = wxCoord(width / m_scaleX); height = wxCoord(height / m_scaleY); CalcBoundingBox (x + width, y + height); CalcBoundingBox (x, y); } -void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle ) + +// 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 (angle == 0.0) + if ( wxIsNullDouble(angle) ) { - DrawText(text, x, y); + DoDrawText(text, x, y); return; } - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + 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 - wxCoord w = gdk_string_width( font, text.mbc_str() ); - wxCoord h = font->ascent + font->descent; + 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(*wxWHITE_BRUSH); + dc.SetBackground(*wxBLACK_BRUSH); dc.SetBrush(*wxBLACK_BRUSH); dc.Clear(); + dc.SetTextForeground( *wxWHITE ); dc.DrawText(text, 0, 0); - dc.SetFont(wxNullFont); dc.SelectObject(wxNullBitmap); // Calculate the size of the rotated bounding box. @@ -1440,47 +1497,40 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5), minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5); - // prepare to blit-with-rotate the bitmap to the DC - wxImage image(src); - GdkColor *colText = m_textForegroundColour.GetColor(), - *colBack = m_textBackgroundColour.GetColor(); + wxImage image = src.ConvertToImage(); - bool textColSet = TRUE; + image.ConvertColourToAlpha( m_textForegroundColour.Red(), + m_textForegroundColour.Green(), + m_textForegroundColour.Blue() ); + image = image.Rotate( rad, wxPoint(0,0) ); - unsigned char *data = image.GetData(); + 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(); - // paint pixel by pixel - for ( wxCoord srcX = 0; srcX < w; srcX++ ) - { - for ( wxCoord srcY = 0; srcY < h; srcY++ ) - { - // transform source coords to dest coords - double r = sqrt((double)srcX*srcX + srcY*srcY); - double angleOrig = atan2((double)srcY, (double)srcX) - rad; - wxCoord dstX = (wxCoord)(r*cos(angleOrig) + 0.5), - dstY = (wxCoord)(r*sin(angleOrig) + 0.5); - - // black pixel? - bool textPixel = data[(srcY*w + srcX)*3] == 0; - if ( textPixel || (m_backgroundMode == wxSOLID) ) - { - // change colour if needed - if ( textPixel != textColSet ) - { - gdk_gc_set_foreground( m_textGC, textPixel ? colText - : colBack ); + 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 ); - textColSet = textPixel; - } + int i_x = x - xoffset; + int i_y = y - yoffset; + + src = image; + DoDrawBitmap( src, i_x, i_y, true ); - // don't use DrawPoint() because it uses the current pen - // colour, and we don't need it here - gdk_draw_point( m_window, m_textGC, - XLOG2DEV(x + dstX), YLOG2DEV(y + dstY) ); - } - } - } // it would be better to draw with non underlined font and draw the line // manually here (it would be more straight...) @@ -1493,30 +1543,47 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, } #endif // 0 - // restore the font colour - gdk_gc_set_foreground( m_textGC, colText ); - // update the bounding box CalcBoundingBox(x + minX, y + minY); CalcBoundingBox(x + maxX, y + maxY); } -void wxWindowDC::DoGetTextExtent(const wxString &string, +void wxWindowDCImpl::DoGetTextExtent(const wxString &string, wxCoord *width, wxCoord *height, wxCoord *descent, wxCoord *externalLeading, - wxFont *theFont) const + const wxFont *theFont) const { + 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; + if (theFont) + fontToUse = *theFont; GdkFont *font = fontToUse.GetInternalFont( m_scaleY ); - if (width) (*width) = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX); - if (height) (*height) = wxCoord((font->ascent + font->descent) / m_scaleY); - if (descent) (*descent) = wxCoord(font->descent / m_scaleY); - if (externalLeading) (*externalLeading) = 0; // ?? + 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); } -wxCoord wxWindowDC::GetCharWidth() const +wxCoord wxWindowDCImpl::GetCharWidth() const { GdkFont *font = m_font.GetInternalFont( m_scaleY ); wxCHECK_MSG( font, -1, wxT("invalid font") ); @@ -1524,7 +1591,7 @@ wxCoord wxWindowDC::GetCharWidth() const return wxCoord(gdk_string_width( font, "H" ) / m_scaleX); } -wxCoord wxWindowDC::GetCharHeight() const +wxCoord wxWindowDCImpl::GetCharHeight() const { GdkFont *font = m_font.GetInternalFont( m_scaleY ); wxCHECK_MSG( font, -1, wxT("invalid font") ); @@ -1532,12 +1599,17 @@ wxCoord wxWindowDC::GetCharHeight() const return wxCoord((font->ascent + font->descent) / m_scaleY); } -void wxWindowDC::Clear() +void wxWindowDCImpl::Clear() { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + 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 @@ -1547,9 +1619,7 @@ void wxWindowDC::Clear() if (m_owner) { - int width,height; - m_owner->GetSize( &width, &height ); - gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height ); + m_owner->Clear(); return; } @@ -1560,19 +1630,21 @@ void wxWindowDC::Clear() 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 wxWindowDC::SetFont( const wxFont &font ) +void wxWindowDCImpl::SetFont( const wxFont &font ) { m_font = font; -#ifdef __WXGTK20__ - // fix fontdesc? -#endif } -void wxWindowDC::SetPen( const wxPen &pen ) +void wxWindowDCImpl::SetPen( const wxPen &pen ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (m_pen == pen) return; @@ -1596,6 +1668,12 @@ void wxWindowDC::SetPen( const wxPen &pen ) ( 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}; @@ -1655,13 +1733,12 @@ void wxWindowDC::SetPen( const wxPen &pen ) default: { lineStyle = GDK_LINE_SOLID; - req_dash = (wxGTKDash*)NULL; + req_dash = NULL; req_nb_dash = 0; break; } } -#if (GTK_MINOR_VERSION > 0) || (GTK_MAJOR_VERSION > 1) if (req_dash && req_nb_dash) { wxGTKDash *real_req_dash = new wxGTKDash[req_nb_dash]; @@ -1678,7 +1755,6 @@ void wxWindowDC::SetPen( const wxPen &pen ) gdk_gc_set_dashes( m_penGC, 0, (wxGTKDash*)req_dash, req_nb_dash ); } } -#endif GdkCapStyle capStyle = GDK_CAP_ROUND; switch (m_pen.GetCap()) @@ -1716,9 +1792,9 @@ void wxWindowDC::SetPen( const wxPen &pen ) gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() ); } -void wxWindowDC::SetBrush( const wxBrush &brush ) +void wxWindowDCImpl::SetBrush( const wxBrush &brush ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (m_brush == brush) return; @@ -1753,7 +1829,7 @@ void wxWindowDC::SetBrush( const wxBrush &brush ) gdk_gc_set_stipple( m_textGC, m_brush.GetStipple()->GetMask()->GetBitmap() ); } - if (IS_HATCH(m_brush.GetStyle())) + if (m_brush.IsHatch()) { gdk_gc_set_fill( m_brushGC, GDK_STIPPLED ); int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH; @@ -1761,12 +1837,12 @@ void wxWindowDC::SetBrush( const wxBrush &brush ) } } -void wxWindowDC::SetBackground( const wxBrush &brush ) +void wxWindowDCImpl::SetBackground( const wxBrush &brush ) { /* CMB 21/7/98: Added SetBackground. Sets background brush * for Clear() and bg colour for shapes filled with cross-hatch brush */ - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (m_backgroundBrush == brush) return; @@ -1798,7 +1874,7 @@ void wxWindowDC::SetBackground( const wxBrush &brush ) } } - if (IS_HATCH(m_backgroundBrush.GetStyle())) + if (m_backgroundBrush.IsHatch()) { gdk_gc_set_fill( m_bgGC, GDK_STIPPLED ); int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH; @@ -1806,9 +1882,9 @@ void wxWindowDC::SetBackground( const wxBrush &brush ) } } -void wxWindowDC::SetLogicalFunction( int function ) +void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (m_logicalFunction == function) return; @@ -1817,12 +1893,11 @@ void wxWindowDC::SetLogicalFunction( int function ) if (!m_window) return; - GdkFunction mode = GDK_COPY; + GdkFunction mode; switch (function) { case wxXOR: mode = GDK_XOR; break; case wxINVERT: mode = GDK_INVERT; break; -#if (GTK_MINOR_VERSION > 0) case wxOR_REVERSE: mode = GDK_OR_REVERSE; break; case wxAND_REVERSE: mode = GDK_AND_REVERSE; break; case wxCLEAR: mode = GDK_CLEAR; break; @@ -1839,12 +1914,9 @@ void wxWindowDC::SetLogicalFunction( int function ) // unsupported by GTK case wxNOR: mode = GDK_COPY; break; -#endif default: - { wxFAIL_MSG( wxT("unsupported logical function") ); - break; - } + mode = GDK_COPY; } m_logicalFunction = function; @@ -1858,39 +1930,45 @@ void wxWindowDC::SetLogicalFunction( int function ) gdk_gc_set_function( m_textGC, mode ); } -void wxWindowDC::SetTextForeground( const wxColour &col ) +void wxWindowDCImpl::SetTextForeground( const wxColour &col ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - if (m_textForegroundColour == col) return; + // 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_textForegroundColour.Ok()) return; - if (!m_window) return; - - m_textForegroundColour.CalcPixel( m_cmap ); - gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() ); + if ( m_window ) + { + m_textForegroundColour.CalcPixel( m_cmap ); + gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() ); + } } -void wxWindowDC::SetTextBackground( const wxColour &col ) +void wxWindowDCImpl::SetTextBackground( const wxColour &col ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - if (m_textBackgroundColour == col) return; + // same as above + if ( !col.Ok() || (m_textBackgroundColour == col) ) + return; m_textBackgroundColour = col; - if (!m_textBackgroundColour.Ok()) return; - if (!m_window) return; - - m_textBackgroundColour.CalcPixel( m_cmap ); - gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() ); + if ( m_window ) + { + m_textBackgroundColour.CalcPixel( m_cmap ); + gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() ); + } } -void wxWindowDC::SetBackgroundMode( int mode ) +void wxWindowDCImpl::SetBackgroundMode( int mode ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); m_backgroundMode = mode; @@ -1906,14 +1984,14 @@ void wxWindowDC::SetBackgroundMode( int mode ) } } -void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) ) +void wxWindowDCImpl::SetPalette( const wxPalette& WXUNUSED(palette) ) { - wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") ); + wxFAIL_MSG( wxT("wxWindowDCImpl::SetPalette not implemented") ); } -void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) +void wxWindowDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (!m_window) return; @@ -1935,7 +2013,7 @@ void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoo wxCoord xx, yy, ww, hh; m_currentClippingRegion.GetBox( xx, yy, ww, hh ); - wxDC::DoSetClippingRegion( 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() ); @@ -1943,9 +2021,9 @@ void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoo gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() ); } -void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion ) +void wxWindowDCImpl::DoSetDeviceClippingRegion( const wxRegion ®ion ) { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); if (region.Empty()) { @@ -1967,7 +2045,7 @@ void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion ) wxCoord xx, yy, ww, hh; m_currentClippingRegion.GetBox( xx, yy, ww, hh ); - wxDC::DoSetClippingRegion( 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() ); @@ -1975,11 +2053,11 @@ void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion ) gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() ); } -void wxWindowDC::DestroyClippingRegion() +void wxWindowDCImpl::DestroyClippingRegion() { - wxCHECK_RET( Ok(), wxT("invalid window dc") ); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - wxDC::DestroyClippingRegion(); + wxGTKDCImpl::DestroyClippingRegion(); m_currentClippingRegion.Clear(); @@ -1992,10 +2070,10 @@ void wxWindowDC::DestroyClippingRegion() if (m_currentClippingRegion.IsEmpty()) { - 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, 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 { @@ -2006,45 +2084,42 @@ void wxWindowDC::DestroyClippingRegion() } } -void wxWindowDC::Destroy() +void wxWindowDCImpl::Destroy() { if (m_penGC) wxFreePoolGC( m_penGC ); - m_penGC = (GdkGC*) NULL; + m_penGC = NULL; if (m_brushGC) wxFreePoolGC( m_brushGC ); - m_brushGC = (GdkGC*) NULL; + m_brushGC = NULL; if (m_textGC) wxFreePoolGC( m_textGC ); - m_textGC = (GdkGC*) NULL; + m_textGC = NULL; if (m_bgGC) wxFreePoolGC( m_bgGC ); - m_bgGC = (GdkGC*) NULL; + m_bgGC = NULL; } -void wxWindowDC::ComputeScaleAndOrigin() +void wxWindowDCImpl::ComputeScaleAndOrigin() { - /* CMB: copy scale to see if it changes */ - double origScaleX = m_scaleX; - double origScaleY = m_scaleY; - - wxDC::ComputeScaleAndOrigin(); - - /* CMB: if scale has changed call SetPen to recalulate the line width */ - if ((m_scaleX != origScaleX || m_scaleY != origScaleY) && - (m_pen.Ok())) - { - /* this is a bit artificial, but we need to force wxDC to think - the pen has changed */ - wxPen pen = m_pen; - m_pen = wxNullPen; - SetPen( pen ); - } + 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 ); + } } // Resolution in pixels per logical inch -wxSize wxWindowDC::GetPPI() const +wxSize wxWindowDCImpl::GetPPI() const { return wxSize( (int) (m_mm_to_pix_x * 25.4 + 0.5), (int) (m_mm_to_pix_y * 25.4 + 0.5)); } -int wxWindowDC::GetDepth() const +int wxWindowDCImpl::GetDepth() const { wxFAIL_MSG(wxT("not implemented")); @@ -2053,44 +2128,78 @@ int wxWindowDC::GetDepth() const //----------------------------------------------------------------------------- -// wxPaintDC +// wxPaintDCImpl //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC) +IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxClientDCImpl) -wxPaintDC::wxPaintDC( wxWindow *win ) - : wxClientDC( win ) +// 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); + } +} + +wxPaintDCImpl::wxPaintDCImpl(wxDC *owner, wxWindow *win) + : wxClientDCImpl(owner, win) { #if USE_PAINT_REGION if (!win->m_clipPaintRegion) return; + wxSize sz = win->GetSize(); m_paintClippingRegion = win->GetUpdateRegion(); + wxLimitRegionToSize(m_paintClippingRegion, sz); + GdkRegion *region = m_paintClippingRegion.GetRegion(); if ( region ) { m_currentClippingRegion.Union( m_paintClippingRegion ); + wxLimitRegionToSize(m_currentClippingRegion, sz); + + if (sz.x <= 0 || sz.y <= 0) + return ; 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 +#endif // USE_PAINT_REGION } //----------------------------------------------------------------------------- -// wxClientDC +// wxClientDCImpl //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC) +IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl) -wxClientDC::wxClientDC( wxWindow *win ) - : wxWindowDC( win ) +wxClientDCImpl::wxClientDCImpl(wxDC *owner, wxWindow *win) + : wxWindowDCImpl(owner, win) { + wxCHECK_RET( win, _T("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__ } -void wxClientDC::DoGetSize(int *width, int *height) const +void wxClientDCImpl::DoGetSize(int *width, int *height) const { wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") ); @@ -2116,7 +2225,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule) bool wxDCModule::OnInit() { wxInitGCPool(); - return TRUE; + return true; } void wxDCModule::OnExit()