X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ab9d0a8ca3d306898d92960ecfaefb8c1191b18a..198be845897a79ba350ae7f93db536ddb2eccfb2:/src/gtk1/dcclient.cpp diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp index cfd61fc9ce..c344069423 100644 --- a/src/gtk1/dcclient.cpp +++ b/src/gtk1/dcclient.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: gtk/dcclient.cpp +// Name: src/gtk1/dcclient.cpp // Purpose: // Author: Robert Roebling // RCS-ID: $Id$ @@ -7,10 +7,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "dcclient.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -19,15 +15,18 @@ #endif #include "wx/dcclient.h" -#include "wx/dcmemory.h" -#include "wx/image.h" -#include "wx/module.h" -#include "wx/log.h" -#include "wx/fontutil.h" -#include "wx/gtk/win_gtk.h" +#ifndef WX_PRECOMP + #include "wx/log.h" + #include "wx/dcmemory.h" + #include "wx/math.h" // for floating-point functions + #include "wx/image.h" + #include "wx/module.h" +#endif + +#include "wx/fontutil.h" -#include // for floating-point functions +#include "wx/gtk1/win_gtk.h" #include #include @@ -92,25 +91,10 @@ void gdk_wx_draw_bitmap(GdkDrawable *drawable, gint width, gint height) { - g_return_if_fail (drawable != NULL); - g_return_if_fail (src != NULL); - g_return_if_fail (gc != NULL); + 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") ); -#ifdef __WXGTK20__ - gint src_width, src_height; - gdk_drawable_get_size(src, &src_width, &src_height); - if (width == -1) width = src_width; - if (height == -1) height = src_height; - - XCopyPlane( GDK_WINDOW_XDISPLAY(drawable), - GDK_WINDOW_XID(src), - GDK_WINDOW_XID(drawable), - GDK_GC_XGC(gc), - xsrc, ysrc, - width, height, - 0, 0, - 1 ); -#else GdkWindowPrivate *drawable_private; GdkWindowPrivate *src_private; GdkGCPrivate *gc_private; @@ -136,15 +120,12 @@ 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, @@ -294,11 +275,6 @@ wxWindowDC::wxWindowDC() m_isMemDC = false; m_isScreenDC = false; m_owner = (wxWindow *)NULL; -#ifdef __WXGTK20__ - m_context = (PangoContext *)NULL; - m_layout = (PangoLayout *)NULL; - m_fontdesc = (PangoFontDescription *)NULL; -#endif } wxWindowDC::wxWindowDC( wxWindow *window ) @@ -328,12 +304,6 @@ wxWindowDC::wxWindowDC( wxWindow *window ) wxASSERT_MSG( widget, wxT("DC needs a widget") ); -#ifdef __WXGTK20__ - m_context = window->GtkGetPangoDefaultContext(); - m_layout = pango_layout_new( m_context ); - m_fontdesc = pango_font_description_copy( widget->style->font_desc ); -#endif - GtkPizza *pizza = GTK_PIZZA( widget ); m_window = pizza->bin_window; @@ -363,13 +333,6 @@ wxWindowDC::wxWindowDC( wxWindow *window ) wxWindowDC::~wxWindowDC() { Destroy(); - -#ifdef __WXGTK20__ - if (m_layout) - g_object_unref( G_OBJECT( m_layout ) ); - if (m_fontdesc) - pango_font_description_free( m_fontdesc ); -#endif } void wxWindowDC::SetUpDC() @@ -544,10 +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 { @@ -693,7 +656,19 @@ void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord if (m_pen.GetStyle() == wxTRANSPARENT) return; if (n <= 0) return; - GdkPoint *gpts = new GdkPoint[n]; + //Check, if scaling is necessary + bool doScale(true); + long val(10); + if (!xoffset) + if (!yoffset) + if (XLOG2DEV(val)==val) + if (YLOG2DEV(val)==val) + doScale = false; + + GdkPoint *gpts = NULL; + + if (doScale){ + gpts = new GdkPoint[n]; if (! gpts) { wxFAIL_MSG( wxT("Cannot allocate PolyLine") ); @@ -710,10 +685,20 @@ void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord gpts[i].x = x1; gpts[i].y = y1; } + } + else { + for (int i = 0; i < n; i++) { + CalcBoundingBox( points[i].x, points[i].y ); + } + + //GdkPoint and wxPoint have the same memory allignment, so we can cast one into another + gpts = reinterpret_cast(points); + } if (m_window) gdk_draw_lines( m_window, m_penGC, gpts, n); + if (doScale) delete[] gpts; } @@ -723,7 +708,21 @@ void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoor if (n <= 0) return; - GdkPoint *gdkpoints = new GdkPoint[n+1]; + //Check, if scaling is necessary + bool doScale(true); + long val(10); + if (!xoffset) + if (!yoffset) + if (XLOG2DEV(val)==val) + if (YLOG2DEV(val)==val){ + doScale = false; + } + + GdkPoint *gdkpoints = NULL; + + if (doScale){ + gdkpoints = new GdkPoint[n+1]; //FIXME: Why the "+1" + int i; for (i = 0 ; i < n ; i++) { @@ -732,9 +731,24 @@ void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoor CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset ); } + } + else { + int i(0); + for (; i < n ; ++i) { + CalcBoundingBox( points[i].x, points[i].y ); + } + //GdkPoint and wxPoint have the same memory allignment, so we can cast one into another + gdkpoints = reinterpret_cast (points); + } if (m_window) { + //I think wxSOLID is the most often used style (it is for me), + //so I put it in front of the if ... ifelse's + if (m_brush.GetStyle() == wxSOLID) + { + gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n ); + }else if (m_brush.GetStyle() != wxTRANSPARENT) { if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask())) @@ -788,6 +802,7 @@ void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoor } } + if (doScale) delete[] gdkpoints; } @@ -1080,13 +1095,11 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap, if ((w != ww) || (h != hh)) use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh ); -#if !GTK_CHECK_VERSION(2,2,0) // 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(); -#endif // apply mask if any GdkBitmap *mask = (GdkBitmap *) NULL; @@ -1138,38 +1151,13 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap, // drawing a mono-bitmap (XBitmap) we use the current text GC if (is_mono) { -#ifdef __WXGTK20__ - GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, -1 ); - GdkGC *gc = gdk_gc_new( bitmap ); - gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() ); - gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() ); - gdk_wx_draw_bitmap( bitmap, gc, use_bitmap.GetBitmap(), 0, 0, 0, 0, -1, -1 ); - - gdk_draw_drawable( m_window, m_textGC, bitmap, 0, 0, xx, yy, -1, -1 ); - - gdk_bitmap_unref( bitmap ); - gdk_gc_unref( gc ); -#else gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), 0, 0, xx, yy, -1, -1 ); -#endif } else { -#if GTK_CHECK_VERSION(2,2,0) - if (use_bitmap.HasPixbuf()) - { - gdk_draw_pixbuf(m_window, m_penGC, - use_bitmap.GetPixbuf(), - 0, 0, xx, yy, -1, -1, - GDK_RGB_DITHER_NORMAL, xx, yy); - } - else -#endif - { - 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 @@ -1219,7 +1207,6 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, bool use_bitmap_method = false; bool is_mono = false; - // TODO: use the mask origin when drawing transparently if (xsrcMask == -1 && ysrcMask == -1) { xsrcMask = xsrc; @@ -1349,6 +1336,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, 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 ); @@ -1366,20 +1354,28 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, 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 ); - // was: gdk_gc_set_clip_origin( m_textGC, xx, yy ); - gdk_gc_set_clip_origin( m_textGC, cx, cy ); + 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 ); - // was: gdk_gc_set_clip_origin( m_penGC, xx, yy ); - gdk_gc_set_clip_origin( m_penGC, cx, cy ); + gdk_gc_set_clip_origin( m_penGC, cx-xsrcMask, cy-ysrcMask ); + } } } @@ -1388,21 +1384,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, if (is_mono) { -#ifdef __WXGTK20__ - GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, -1 ); - GdkGC *gc = gdk_gc_new( bitmap ); - gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() ); - gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() ); - gdk_wx_draw_bitmap( bitmap, gc, use_bitmap.GetBitmap(), 0, 0, 0, 0, -1, -1 ); - - gdk_draw_drawable( m_window, m_textGC, bitmap, xsrc, ysrc, cx, cy, cw, ch ); - - gdk_bitmap_unref( bitmap ); - gdk_gc_unref( gc ); -#else // 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 ); -#endif } else { @@ -1475,100 +1458,13 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) if (text.empty()) return; -#ifndef __WXGTK20__ GdkFont *font = m_font.GetInternalFont( m_scaleY ); wxCHECK_RET( font, wxT("invalid font") ); -#endif x = XLOG2DEV(x); y = YLOG2DEV(y); -#ifdef __WXGTK20__ - wxCHECK_RET( m_context, wxT("no Pango context") ); - wxCHECK_RET( m_layout, wxT("no Pango layout") ); - wxCHECK_RET( m_fontdesc, wxT("no Pango font description") ); - - bool underlined = m_font.Ok() && m_font.GetUnderlined(); - -#if wxUSE_UNICODE - const wxCharBuffer data = wxConvUTF8.cWC2MB( text ); -#else - const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text ); - if ( !wdata ) - return; - const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata ); -#endif - size_t datalen = strlen((const char*)data); - pango_layout_set_text( m_layout, (const char*) data, datalen); - - if (underlined) - { - PangoAttrList *attrs = pango_attr_list_new(); - PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE); - a->start_index = 0; - a->end_index = datalen; - pango_attr_list_insert(attrs, a); - pango_layout_set_attributes(m_layout, attrs); - pango_attr_list_unref(attrs); - } - - int w,h; - - if (fabs(m_scaleY - 1.0) > 0.00001) - { - // If there is a user or actually any scale applied to - // the device context, scale the font. - - // scale font description - gint oldSize = pango_font_description_get_size( m_fontdesc ); - double size = oldSize; - size = size * m_scaleY; - pango_font_description_set_size( m_fontdesc, (gint)size ); - - // actually apply scaled font - pango_layout_set_font_description( m_layout, m_fontdesc ); - - pango_layout_get_pixel_size( m_layout, &w, &h ); - if ( m_backgroundMode == wxSOLID ) - { - gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor()); - gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h); - gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor()); - } - - // Draw layout. - gdk_draw_layout( m_window, m_textGC, x, y, m_layout ); - - // reset unscaled size - pango_font_description_set_size( m_fontdesc, oldSize ); - - // actually apply unscaled font - pango_layout_set_font_description( m_layout, m_fontdesc ); - } - else - { - pango_layout_get_pixel_size( m_layout, &w, &h ); - if ( m_backgroundMode == wxSOLID ) - { - gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor()); - gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h); - gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor()); - } - // Draw layout. - gdk_draw_layout( m_window, m_textGC, x, y, m_layout ); - } - - if (underlined) - { - // undo underline attributes setting: - pango_layout_set_attributes(m_layout, NULL); - } - - wxCoord width = w; - wxCoord height = h; - -#else // GTK+ 1.x wxCoord width = gdk_string_width( font, text.mbc_str() ); wxCoord height = font->ascent + font->descent; @@ -1589,7 +1485,6 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) if (font->descent > 0) ul_y++; gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y); } -#endif // GTK+ 2.0/1.x width = wxCoord(width / m_scaleX); height = wxCoord(height / m_scaleY); @@ -1604,7 +1499,7 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle ) { - if (angle == 0.0) + if ( wxIsNullDouble(angle) ) { DrawText(text, x, y); return; @@ -1617,11 +1512,6 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, wxCoord w; wxCoord h; -#ifdef __WXGTK20__ - // implement later without GdkFont for GTK 2.0 - GetTextExtent(text, &w, &h, NULL,NULL, &m_font); - -#else GdkFont *font = m_font.GetInternalFont( m_scaleY ); wxCHECK_RET( font, wxT("invalid font") ); @@ -1629,7 +1519,7 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, // the size of the text w = gdk_string_width( font, text.mbc_str() ); h = font->ascent + font->descent; -#endif + // draw the string normally wxBitmap src(w, h); wxMemoryDC dc; @@ -1672,6 +1562,8 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, 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(); @@ -1714,7 +1606,7 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, void wxWindowDC::DoGetTextExtent(const wxString &string, wxCoord *width, wxCoord *height, wxCoord *descent, wxCoord *externalLeading, - wxFont *theFont) const + const wxFont *theFont) const { if ( width ) *width = 0; @@ -1730,54 +1622,6 @@ void wxWindowDC::DoGetTextExtent(const wxString &string, return; } -#ifdef __WXGTK20__ - // Set new font description - if (theFont) - pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description ); - - // Set layout's text -#if wxUSE_UNICODE - const wxCharBuffer data = wxConvUTF8.cWC2MB( string ); - const char *dataUTF8 = (const char *)data; -#else - const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string ); - if ( !wdata ) - { - if (width) (*width) = 0; - if (height) (*height) = 0; - return; - } - const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata ); - const char *dataUTF8 = (const char *)data; -#endif - - if ( !dataUTF8 ) - { - // hardly ideal, but what else can we do if conversion failed? - return; - } - - pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) ); - - int w,h; - pango_layout_get_pixel_size( m_layout, &w, &h ); - - if (width) - *width = (wxCoord) w; - if (height) - *height = (wxCoord) h; - if (descent) - { - PangoLayoutIter *iter = pango_layout_get_iter(m_layout); - int baseline = pango_layout_iter_get_baseline(iter); - pango_layout_iter_free(iter); - *descent = h - PANGO_PIXELS(baseline); - } - - // Reset old font description - if (theFont) - pango_layout_set_font_description( m_layout, m_fontdesc ); -#else // GTK+ 1.x wxFont fontToUse = m_font; if (theFont) fontToUse = *theFont; @@ -1792,37 +1636,22 @@ void wxWindowDC::DoGetTextExtent(const wxString &string, *height = wxCoord((font->ascent + font->descent) / m_scaleY); if (descent) *descent = wxCoord(font->descent / m_scaleY); -#endif // GTK+ 2/1 } wxCoord wxWindowDC::GetCharWidth() const { -#ifdef __WXGTK20__ - pango_layout_set_text( m_layout, "H", 1 ); - int w,h; - pango_layout_get_pixel_size( m_layout, &w, &h ); - return w; -#else GdkFont *font = m_font.GetInternalFont( m_scaleY ); wxCHECK_MSG( font, -1, wxT("invalid font") ); return wxCoord(gdk_string_width( font, "H" ) / m_scaleX); -#endif } wxCoord wxWindowDC::GetCharHeight() const { -#ifdef __WXGTK20__ - pango_layout_set_text( m_layout, "H", 1 ); - int w,h; - pango_layout_get_pixel_size( m_layout, &w, &h ); - return h; -#else GdkFont *font = m_font.GetInternalFont( m_scaleY ); wxCHECK_MSG( font, -1, wxT("invalid font") ); return wxCoord((font->ascent + font->descent) / m_scaleY); -#endif } void wxWindowDC::Clear() @@ -1866,42 +1695,6 @@ void wxWindowDC::Clear() void wxWindowDC::SetFont( const wxFont &font ) { m_font = font; - -#ifdef __WXGTK20__ - if (m_font.Ok()) - { - if (m_fontdesc) - pango_font_description_free( m_fontdesc ); - - m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description ); - - - if (m_owner) - { - PangoContext *oldContext = m_context; - - // We might want to use the X11 context for faster - // rendering on screen - if (m_font.GetNoAntiAliasing()) - m_context = m_owner->GtkGetPangoX11Context(); - else - m_context = m_owner->GtkGetPangoDefaultContext(); - - // If we switch back/forth between different contexts - // we also have to create a new layout. I think so, - // at least, and it doesn't hurt to do it. - if (oldContext != m_context) - { - if (m_layout) - g_object_unref( G_OBJECT( m_layout ) ); - - m_layout = pango_layout_new( m_context ); - } - } - - pango_layout_set_font_description( m_layout, m_fontdesc ); - } -#endif } void wxWindowDC::SetPen( const wxPen &pen ) @@ -2001,7 +1794,6 @@ void wxWindowDC::SetPen( const wxPen &pen ) } } -#if (GTK_MINOR_VERSION > 0) || (GTK_MAJOR_VERSION > 1) if (req_dash && req_nb_dash) { wxGTKDash *real_req_dash = new wxGTKDash[req_nb_dash]; @@ -2018,7 +1810,6 @@ void wxWindowDC::SetPen( const wxPen &pen ) gdk_gc_set_dashes( m_penGC, 0, (wxGTKDash*)req_dash, req_nb_dash ); } } -#endif // GTK+ > 1.0 GdkCapStyle capStyle = GDK_CAP_ROUND; switch (m_pen.GetCap()) @@ -2162,7 +1953,6 @@ void wxWindowDC::SetLogicalFunction( int function ) { case wxXOR: mode = GDK_XOR; break; case wxINVERT: mode = GDK_INVERT; break; -#if (GTK_MINOR_VERSION > 0) || (GTK_MAJOR_VERSION > 1) case wxOR_REVERSE: mode = GDK_OR_REVERSE; break; case wxAND_REVERSE: mode = GDK_AND_REVERSE; break; case wxCLEAR: mode = GDK_CLEAR; break; @@ -2179,7 +1969,6 @@ void wxWindowDC::SetLogicalFunction( int function ) // unsupported by GTK case wxNOR: mode = GDK_COPY; break; -#endif // GTK+ > 1.0 default: wxFAIL_MSG( wxT("unsupported logical function") ); mode = GDK_COPY; @@ -2364,22 +2153,19 @@ void wxWindowDC::Destroy() void wxWindowDC::ComputeScaleAndOrigin() { - /* CMB: copy scale to see if it changes */ - double origScaleX = m_scaleX; - double origScaleY = m_scaleY; + const wxRealPoint origScale(m_scaleX, 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())) + // 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 ); - } + // 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