X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d3b9f782ef3949f583e8ac53795d36787f044fc3..0d53638f7147c18153f63fdfc096b17be6e22a27:/src/gtk/dcclient.cpp diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp index 8ae3e61149..a11615391e 100644 --- a/src/gtk/dcclient.cpp +++ b/src/gtk/dcclient.cpp @@ -2,7 +2,6 @@ // Name: src/gtk/dcclient.cpp // Purpose: wxWindowDCImpl implementation // Author: Robert Roebling -// RCS-ID: $Id$ // Copyright: (c) 1998 Robert Roebling, Chris Breeze // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -25,6 +24,7 @@ #include "wx/gtk/private.h" #include "wx/gtk/private/object.h" +#include "wx/private/textmeasure.h" //----------------------------------------------------------------------------- // local defines @@ -63,35 +63,48 @@ static const double RAD2DEG = 180.0 / M_PI; 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; } - static GdkPixmap* GetHatch(int style) { wxASSERT(style >= wxBRUSHSTYLE_FIRST_HATCH && style <= wxBRUSHSTYLE_LAST_HATCH); const int i = style - wxBRUSHSTYLE_FIRST_HATCH; if (hatches[i] == NULL) { + // This macro creates a bitmap from an XBM file included above. Notice + // the need for the cast because gdk_bitmap_create_from_data() doesn't + // accept unsigned data but the arrays in XBM need to be unsigned to + // avoid warnings (and even errors in C+0x mode) from g++. +#define CREATE_FROM_XBM_DATA(name) \ + gdk_bitmap_create_from_data \ + ( \ + NULL, \ + reinterpret_cast(name ## _bits), \ + name ## _width, \ + name ## _height \ + ) + switch (style) { case wxBRUSHSTYLE_BDIAGONAL_HATCH: - hatches[i] = gdk_bitmap_create_from_data(NULL, bdiag_bits, bdiag_width, bdiag_height); + hatches[i] = CREATE_FROM_XBM_DATA(bdiag); break; case wxBRUSHSTYLE_CROSSDIAG_HATCH: - hatches[i] = gdk_bitmap_create_from_data(NULL, cdiag_bits, cdiag_width, cdiag_height); + hatches[i] = CREATE_FROM_XBM_DATA(cdiag); break; case wxBRUSHSTYLE_CROSS_HATCH: - hatches[i] = gdk_bitmap_create_from_data(NULL, cross_bits, cross_width, cross_height); + hatches[i] = CREATE_FROM_XBM_DATA(cross); break; case wxBRUSHSTYLE_FDIAGONAL_HATCH: - hatches[i] = gdk_bitmap_create_from_data(NULL, fdiag_bits, fdiag_width, fdiag_height); + hatches[i] = CREATE_FROM_XBM_DATA(fdiag); break; case wxBRUSHSTYLE_HORIZONTAL_HATCH: - hatches[i] = gdk_bitmap_create_from_data(NULL, horiz_bits, horiz_width, horiz_height); + hatches[i] = CREATE_FROM_XBM_DATA(horiz); break; case wxBRUSHSTYLE_VERTICAL_HATCH: - hatches[i] = gdk_bitmap_create_from_data(NULL, verti_bits, verti_width, verti_height); + hatches[i] = CREATE_FROM_XBM_DATA(verti); break; } + +#undef CREATE_FROM_XBM_DATA } return hatches[i]; } @@ -114,7 +127,11 @@ enum wxPoolGCType wxTEXT_SCREEN, wxBG_SCREEN, wxPEN_SCREEN, - wxBRUSH_SCREEN + wxBRUSH_SCREEN, + wxTEXT_COLOUR_ALPHA, + wxBG_COLOUR_ALPHA, + wxPEN_COLOUR_ALPHA, + wxBRUSH_COLOUR_ALPHA }; struct wxGC @@ -269,25 +286,25 @@ wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) : m_font = window->GetFont(); GtkWidget *widget = window->m_wxwindow; + m_gdkwindow = window->GTKGetDrawingWindow(); // 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. + // code should still be able to create wxClientDCs for them if ( !widget ) { - window = window->GetParent(); - if (window) - widget = window->m_wxwindow; - } + widget = window->m_widget; + + wxCHECK_RET(widget, "DC needs a widget"); - wxASSERT_MSG( widget, wxT("DC needs a widget") ); + m_gdkwindow = widget->window; + if (!gtk_widget_get_has_window(widget)) + SetDeviceLocalOrigin(widget->allocation.x, widget->allocation.y); + } - m_context = window->GtkGetPangoDefaultContext(); + m_context = window->GTKGetPangoDefaultContext(); m_layout = pango_layout_new( m_context ); m_fontdesc = pango_font_description_copy( widget->style->font_desc ); - m_gdkwindow = widget->window; - // Window not realized ? if (!m_gdkwindow) { @@ -297,7 +314,7 @@ wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) : return; } - m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget ); + m_cmap = gtk_widget_get_colormap(widget); SetUpDC(); @@ -360,6 +377,18 @@ void wxWindowDCImpl::SetUpDC( bool isMemDC ) m_textGC = wxGetPoolGC( m_gdkwindow, wxTEXT_SCREEN ); m_bgGC = wxGetPoolGC( m_gdkwindow, wxBG_SCREEN ); } +#if GTK_CHECK_VERSION(2,12,0) + // gdk_screen_get_rgba_colormap was added in 2.8, but this code is for + // compositing which requires 2.12 + else if (gtk_check_version(2,12,0) == NULL && + m_cmap == gdk_screen_get_rgba_colormap(gdk_colormap_get_screen(m_cmap))) + { + m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_COLOUR_ALPHA ); + m_brushGC = wxGetPoolGC( m_gdkwindow, wxBRUSH_COLOUR_ALPHA ); + m_textGC = wxGetPoolGC( m_gdkwindow, wxTEXT_COLOUR_ALPHA ); + m_bgGC = wxGetPoolGC( m_gdkwindow, wxBG_COLOUR_ALPHA ); + } +#endif else { m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_COLOUR ); @@ -419,7 +448,7 @@ void wxWindowDCImpl::SetUpDC( bool isMemDC ) void wxWindowDCImpl::DoGetSize( int* width, int* height ) const { - wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") ); + wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") ); m_window->GetSize(width, height); } @@ -477,7 +506,7 @@ void wxWindowDCImpl::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 { wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) + if ( m_pen.IsNonTransparent() ) { if (m_gdkwindow) gdk_draw_line( m_gdkwindow, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) ); @@ -491,7 +520,7 @@ void wxWindowDCImpl::DoCrossHair( wxCoord x, wxCoord y ) { wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) + if ( m_pen.IsNonTransparent() ) { int w = 0; int h = 0; @@ -589,7 +618,7 @@ void wxWindowDCImpl::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, if (m_gdkwindow) { - if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT) + if ( m_brush.IsNonTransparent() ) { GdkGC* gc; bool originChanged; @@ -601,11 +630,11 @@ void wxWindowDCImpl::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, gdk_gc_set_ts_origin(gc, 0, 0); } - if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) + if ( m_pen.IsNonTransparent() ) { gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); - if ((m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT) && (alpha2 - alpha1 != 360*64)) + if ( m_brush.IsNonTransparent() && (alpha2 - alpha1 != 360*64) ) { gdk_draw_line( m_gdkwindow, m_penGC, xx1, yy1, xxc, yyc ); gdk_draw_line( m_gdkwindow, m_penGC, xxc, yyc, xx2, yy2 ); @@ -635,7 +664,7 @@ void wxWindowDCImpl::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxC wxCoord start = wxCoord(sa * 64.0); wxCoord end = wxCoord((ea-sa) * 64.0); - if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT) + if ( m_brush.IsNonTransparent() ) { GdkGC* gc; bool originChanged; @@ -647,7 +676,7 @@ void wxWindowDCImpl::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxC gdk_gc_set_ts_origin(gc, 0, 0); } - if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) + if ( m_pen.IsNonTransparent() ) gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx, yy, ww, hh, start, end ); } @@ -659,47 +688,52 @@ void wxWindowDCImpl::DoDrawPoint( wxCoord x, wxCoord y ) { wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - if ((m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) && m_gdkwindow) + if ( m_pen.IsNonTransparent() && m_gdkwindow ) gdk_draw_point( m_gdkwindow, m_penGC, XLOG2DEV(x), YLOG2DEV(y) ); CalcBoundingBox (x, y); } -void wxWindowDCImpl::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset ) +void wxWindowDCImpl::DoDrawLines( int n, const wxPoint points[], wxCoord xoffset, wxCoord yoffset ) { wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return; if (n <= 0) return; + if ( m_pen.IsTransparent() ) + return; + //Check, if scaling is necessary const bool doScale = xoffset != 0 || yoffset != 0 || XLOG2DEV(10) != 10 || YLOG2DEV(10) != 10; // GdkPoint and wxPoint have the same memory layout, so we can cast one to the other - GdkPoint* gpts = reinterpret_cast(points); + const GdkPoint* gpts = reinterpret_cast(points); + GdkPoint* gpts_alloc = NULL; if (doScale) - gpts = new GdkPoint[n]; + { + gpts_alloc = new GdkPoint[n]; + gpts = gpts_alloc; + } for (int i = 0; i < n; i++) { if (doScale) { - gpts[i].x = XLOG2DEV(points[i].x + xoffset); - gpts[i].y = YLOG2DEV(points[i].y + yoffset); + gpts_alloc[i].x = XLOG2DEV(points[i].x + xoffset); + gpts_alloc[i].y = YLOG2DEV(points[i].y + yoffset); } CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset); } if (m_gdkwindow) - gdk_draw_lines( m_gdkwindow, m_penGC, gpts, n); + gdk_draw_lines( m_gdkwindow, m_penGC, (GdkPoint*) gpts, n); - if (doScale) - delete[] gpts; + delete[] gpts_alloc; } -void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], +void wxWindowDCImpl::DoDrawPolygon( int n, const wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode WXUNUSED(fillStyle) ) { @@ -712,37 +746,41 @@ void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], xoffset != 0 || yoffset != 0 || XLOG2DEV(10) != 10 || YLOG2DEV(10) != 10; // GdkPoint and wxPoint have the same memory layout, so we can cast one to the other - GdkPoint* gdkpoints = reinterpret_cast(points); + const GdkPoint* gdkpoints = reinterpret_cast(points); + GdkPoint* gdkpoints_alloc = NULL; if (doScale) - gdkpoints = new GdkPoint[n]; + { + gdkpoints_alloc = new GdkPoint[n]; + gdkpoints = gdkpoints_alloc; + } int i; for (i = 0 ; i < n ; i++) { if (doScale) { - gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset); - gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset); + gdkpoints_alloc[i].x = XLOG2DEV(points[i].x + xoffset); + gdkpoints_alloc[i].y = YLOG2DEV(points[i].y + yoffset); } CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset); } if (m_gdkwindow) { - if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT) + if ( m_brush.IsNonTransparent() ) { GdkGC* gc; bool originChanged; DrawingSetup(gc, originChanged); - gdk_draw_polygon(m_gdkwindow, gc, true, gdkpoints, n); + gdk_draw_polygon(m_gdkwindow, gc, true, (GdkPoint*) gdkpoints, n); if (originChanged) gdk_gc_set_ts_origin(gc, 0, 0); } - if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) + if ( m_pen.IsNonTransparent() ) { /* for (i = 0 ; i < n ; i++) @@ -754,13 +792,12 @@ void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], gdkpoints[(i+1)%n].y); } */ - gdk_draw_polygon( m_gdkwindow, m_penGC, FALSE, gdkpoints, n ); + gdk_draw_polygon( m_gdkwindow, m_penGC, FALSE, (GdkPoint*) gdkpoints, n ); } } - if (doScale) - delete[] gdkpoints; + delete[] gdkpoints_alloc; } void wxWindowDCImpl::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) @@ -781,7 +818,7 @@ void wxWindowDCImpl::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoo if (m_gdkwindow) { - if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT) + if ( m_brush.IsNonTransparent() ) { GdkGC* gc; bool originChanged; @@ -793,9 +830,8 @@ void wxWindowDCImpl::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoo gdk_gc_set_ts_origin(gc, 0, 0); } - if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) + if ( m_pen.IsNonTransparent() ) { -#if 1 if ((m_pen.GetWidth() == 2) && (m_pen.GetCap() == wxCAP_ROUND) && (m_pen.GetJoin() == wxJOIN_ROUND) && (m_pen.GetStyle() == wxPENSTYLE_SOLID)) { @@ -818,7 +854,6 @@ void wxWindowDCImpl::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoo gdk_gc_set_line_attributes( m_penGC, 2, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND ); } else -#endif { // Just use X11 for other cases gdk_draw_rectangle( m_gdkwindow, m_penGC, FALSE, xx, yy, ww-1, hh-1 ); @@ -859,7 +894,7 @@ void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width // CMB: adjust size if outline is drawn otherwise the result is // 1 pixel too wide and high - if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) + if ( m_pen.IsNonTransparent() ) { ww--; hh--; @@ -874,7 +909,7 @@ void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width if (dd > hh) dd = hh; rr = dd / 2; - if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT) + if ( m_brush.IsNonTransparent() ) { GdkGC* gc; bool originChanged; @@ -891,7 +926,7 @@ void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width gdk_gc_set_ts_origin(gc, 0, 0); } - if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) + if ( m_pen.IsNonTransparent() ) { gdk_draw_line( m_gdkwindow, m_penGC, xx+rr+1, yy, xx+ww-rr, yy ); gdk_draw_line( m_gdkwindow, m_penGC, xx+rr+1, yy+hh, xx+ww-rr, yy+hh ); @@ -924,7 +959,7 @@ void wxWindowDCImpl::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord if (m_gdkwindow) { - if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT) + if ( m_brush.IsNonTransparent() ) { GdkGC* gc; bool originChanged; @@ -932,7 +967,7 @@ void wxWindowDCImpl::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord // If the pen is transparent pen we increase the size // for better compatibility with other platforms. - if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) + if (m_pen.IsTransparent()) { ++ww; ++hh; @@ -944,7 +979,7 @@ void wxWindowDCImpl::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord gdk_gc_set_ts_origin(gc, 0, 0); } - if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) + if ( m_pen.IsNonTransparent() ) gdk_draw_arc( m_gdkwindow, m_penGC, false, xx, yy, ww, hh, 0, 360*64 ); } @@ -958,7 +993,7 @@ void wxWindowDCImpl::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y ) DoDrawBitmap( (const wxBitmap&)icon, x, y, true ); } -// scale a pixbuf, return new pixbuf, unref old one +// scale a pixbuf static GdkPixbuf* Scale(GdkPixbuf* pixbuf, int dst_w, int dst_h, double sx, double sy) { @@ -966,20 +1001,21 @@ Scale(GdkPixbuf* pixbuf, int dst_w, int dst_h, double sx, double sy) GDK_COLORSPACE_RGB, gdk_pixbuf_get_has_alpha(pixbuf), 8, dst_w, dst_h); gdk_pixbuf_scale(pixbuf, pixbuf_scaled, 0, 0, dst_w, dst_h, 0, 0, sx, sy, GDK_INTERP_NEAREST); - g_object_unref(pixbuf); return pixbuf_scaled; } -// scale part of a pixmap using pixbuf scaling, return pixbuf +// scale part of a pixmap using pixbuf scaling static GdkPixbuf* Scale(GdkPixmap* pixmap, int x, int y, int w, int h, int dst_w, int dst_h, double sx, double sy) { GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable( NULL, pixmap, NULL, x, y, 0, 0, w, h); - return Scale(pixbuf, dst_w, dst_h, sx, sy); + GdkPixbuf* pixbuf2 = Scale(pixbuf, dst_w, dst_h, sx, sy); + g_object_unref(pixbuf); + return pixbuf2; } -// scale part of a mask pixmap, return new mask, unref old one +// scale part of a mask pixmap static GdkPixmap* ScaleMask(GdkPixmap* mask, int x, int y, int w, int h, int dst_w, int dst_h, double sx, double sy) { @@ -1003,12 +1039,10 @@ ScaleMask(GdkPixmap* mask, int x, int y, int w, int h, int dst_w, int dst_h, dou g_object_unref(pixbuf); GdkPixmap* pixmap = gdk_bitmap_create_from_data(mask, data, dst_w, dst_h); delete[] data; - g_object_unref(mask); return pixmap; } // Make a new mask from part of a mask and a clip region. -// Return new mask, unref old one. static GdkPixmap* ClipMask(GdkPixmap* mask, GdkRegion* clipRegion, int x, int y, int dst_x, int dst_y, int w, int h) { @@ -1023,7 +1057,6 @@ ClipMask(GdkPixmap* mask, GdkRegion* clipRegion, int x, int y, int dst_x, int ds // draw old mask onto new one, with clip gdk_draw_drawable(pixmap, gc, mask, x, y, 0, 0, w, h); g_object_unref(gc); - g_object_unref(mask); return pixmap; } @@ -1059,8 +1092,11 @@ void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap, const int w = bitmap.GetWidth(); const int h = bitmap.GetHeight(); + // notice that as the bitmap is not drawn upside down (or right to left) + // even if the corresponding axis direction is inversed, we need to take it + // into account when calculating its bounding box CalcBoundingBox(x, y); - CalcBoundingBox(x + w, y + h); + CalcBoundingBox(x + m_signX*w, y + m_signY*h); // device coords int xx = LogicalToDeviceX(x); @@ -1091,18 +1127,25 @@ void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap, { wxMask* m = bitmap.GetMask(); if (m) - mask = m->GetBitmap(); + mask = *m; } + + GdkPixmap* mask_new = NULL; if (mask) { - g_object_ref(mask); if (isScaled) + { mask = ScaleMask(mask, 0, 0, w, h, ww, hh, m_scaleX, m_scaleY); + mask_new = mask; + } if (overlap == wxPartRegion) { // need a new mask that also masks the clipped area, // because gc can't have both a mask and a clip region mask = ClipMask(mask, clipRegion, 0, 0, xx, yy, ww, hh); + if (mask_new) + g_object_unref(mask_new); + mask_new = mask; } gdk_gc_set_clip_mask(use_gc, mask); gdk_gc_set_clip_origin(use_gc, xx, yy); @@ -1110,24 +1153,22 @@ void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap, // determine whether to use pixmap or pixbuf GdkPixmap* pixmap = NULL; + GdkPixmap* pixmap_new = NULL; GdkPixbuf* pixbuf = NULL; + GdkPixbuf* pixbuf_new = NULL; if (bitmap.HasPixmap()) pixmap = bitmap.GetPixmap(); if (pixmap && gdk_drawable_get_depth(pixmap) == 1) { - // convert mono pixmap to color using text fg/bg colors - pixmap = MonoToColor(pixmap, 0, 0, w, h); + if (gdk_drawable_get_depth(m_gdkwindow) != 1) + { + // convert mono pixmap to color using text fg/bg colors + pixmap = MonoToColor(pixmap, 0, 0, w, h); + pixmap_new = pixmap; + } } else if (hasAlpha || pixmap == NULL) - { - pixmap = NULL; pixbuf = bitmap.GetPixbuf(); - g_object_ref(pixbuf); - } - else - { - g_object_ref(pixmap); - } if (isScaled) { @@ -1135,25 +1176,34 @@ void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap, pixbuf = Scale(pixbuf, ww, hh, m_scaleX, m_scaleY); else pixbuf = Scale(pixmap, 0, 0, w, h, ww, hh, m_scaleX, m_scaleY); + + pixbuf_new = pixbuf; } if (pixbuf) { gdk_draw_pixbuf(m_gdkwindow, use_gc, pixbuf, 0, 0, xx, yy, ww, hh, GDK_RGB_DITHER_NORMAL, 0, 0); - g_object_unref(pixbuf); } else { gdk_draw_drawable(m_gdkwindow, use_gc, pixmap, 0, 0, xx, yy, ww, hh); } - if (pixmap) - g_object_unref(pixmap); + if (pixbuf_new) + g_object_unref(pixbuf_new); + if (pixmap_new) + g_object_unref(pixmap_new); if (mask) { - g_object_unref(mask); gdk_gc_set_clip_region(use_gc, clipRegion); + + // Notice that we can only release the mask now, we can't do it before + // the calls to gdk_draw_xxx() above as they crash with X error with + // GTK+ up to 2.20.1 (i.e. it works with 2.20 but is known to not work + // with 2.16.1 and below). + if (mask_new) + g_object_unref(mask_new); } } @@ -1183,7 +1233,7 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest, { wxMask* m = bitmap.GetMask(); if (m) - mask = m->GetBitmap(); + mask = *m; } } else @@ -1263,7 +1313,6 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest, if (mask) { - g_object_ref(mask); int srcMask_x = src_x; int srcMask_y = src_y; if (xsrcMask != -1 || ysrcMask != -1) @@ -1271,10 +1320,12 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest, srcMask_x = source->LogicalToDeviceX(xsrcMask); srcMask_y = source->LogicalToDeviceY(ysrcMask); } + GdkPixmap* mask_new = NULL; if (isScaled) { mask = ScaleMask(mask, srcMask_x, srcMask_y, src_w, src_h, dst_w, dst_h, scale_x, scale_y); + mask_new = mask; srcMask_x = 0; srcMask_y = 0; } @@ -1284,15 +1335,21 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest, // because gc can't have both a mask and a clip region mask = ClipMask(mask, clipRegion, srcMask_x, srcMask_y, dst_x, dst_y, dst_w, dst_h); + if (mask_new) + g_object_unref(mask_new); + mask_new = mask; srcMask_x = 0; srcMask_y = 0; } gdk_gc_set_clip_mask(use_gc, mask); gdk_gc_set_clip_origin(use_gc, dst_x - srcMask_x, dst_y - srcMask_y); + if (mask_new) + g_object_unref(mask_new); } GdkPixmap* pixmap = NULL; - if (gdk_drawable_get_depth(srcDrawable) == 1) + if (gdk_drawable_get_depth(srcDrawable) == 1 && + (gdk_drawable_get_depth(m_gdkwindow) != 1 || isScaled)) { // Convert mono pixmap to color using text fg/bg colors. // Scaling/drawing is simpler if this is done first. @@ -1328,208 +1385,66 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest, if (pixmap) g_object_unref(pixmap); if (mask) - { - g_object_unref(mask); gdk_gc_set_clip_region(use_gc, clipRegion); - } + return true; } -void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) +void wxWindowDCImpl::DoDrawText(const wxString& text, + wxCoord xLogical, + wxCoord yLogical) { - wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - - if (!m_gdkwindow) return; - - if (text.empty()) return; - - x = XLOG2DEV(x); - y = YLOG2DEV(y); - - 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") ); - - gdk_pango_context_set_colormap( m_context, m_cmap ); // not needed in gtk+ >= 2.6 - - bool underlined = m_font.IsOk() && m_font.GetUnderlined(); + DoDrawRotatedText(text, xLogical, yLogical, 0); +} - wxCharBuffer data = wxGTK_CONV(text); - if ( !data ) +void wxWindowDCImpl::DoDrawRotatedText(const wxString& text, int xLogical, int yLogical, double angle) +{ + if (!m_gdkwindow || text.empty()) return; - size_t datalen = strlen(data); - - // in Pango >= 1.16 the "underline of leading/trailing spaces" bug - // has been fixed and thus the hack implemented below should never be used - static bool pangoOk = !wx_pango_version_check(1, 16, 0); - - bool needshack = underlined && !pangoOk; - - if (needshack) - { - // a PangoLayout which has leading/trailing spaces with underlined font - // is not correctly drawn by this pango version: Pango won't underline the spaces. - // This can be a problem; e.g. wxHTML rendering of underlined text relies on - // this behaviour. To workaround this problem, we use a special hack here - // suggested by pango maintainer Behdad Esfahbod: we prepend and append two - // empty space characters and give them a dummy colour attribute. - // This will force Pango to underline the leading/trailing spaces, too. - wxCharBuffer data_tmp(datalen + 6); - // copy the leading U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format - memcpy(data_tmp.data(), "\342\200\214", 3); - // copy the user string - memcpy(data_tmp.data() + 3, data, datalen); - // copy the trailing U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format - memcpy(data_tmp.data() + 3 + datalen, "\342\200\214", 3); - - data = data_tmp; - datalen += 6; - } - - pango_layout_set_text(m_layout, 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); + wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - if (needshack) - { - // dummy colour for the leading space - a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614); - a->start_index = 0; - a->end_index = 1; - pango_attr_list_insert(attrs, a); - - // dummy colour for the trailing space - a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614); - a->start_index = datalen - 1; - a->end_index = datalen; - pango_attr_list_insert(attrs, a); - } + pango_layout_set_text(m_layout, wxGTK_CONV(text), -1); + const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout); - pango_layout_set_attributes(m_layout, attrs); - pango_attr_list_unref(attrs); - } + const GdkColor* bg_col = NULL; + if (m_backgroundMode == wxBRUSHSTYLE_SOLID) + bg_col = m_textBackgroundColour.GetColor(); - int oldSize = 0; - const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001; - if (isScaled) + PangoMatrix matrix = PANGO_MATRIX_INIT; + if (!wxIsSameDouble(m_scaleX, 1) || !wxIsSameDouble(m_scaleY, 1) || !wxIsNullDouble(angle)) { - // If there is a user or actually any scale applied to - // the device context, scale the font. - - // scale font description - oldSize = pango_font_description_get_size(m_fontdesc); - pango_font_description_set_size(m_fontdesc, int(oldSize * m_scaleY)); - - // actually apply scaled font - pango_layout_set_font_description( m_layout, m_fontdesc ); + pango_matrix_scale(&matrix, m_scaleX, m_scaleY); + pango_matrix_rotate(&matrix, angle); + pango_context_set_matrix(m_context, &matrix); + pango_layout_context_changed(m_layout); } int w, h; pango_layout_get_pixel_size(m_layout, &w, &h); - // Draw layout. - int x_rtl = x; + int x = LogicalToDeviceX(xLogical); + int y = LogicalToDeviceY(yLogical); if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft) - x_rtl -= w; - - const GdkColor* bg_col = NULL; - if (m_backgroundMode == wxBRUSHSTYLE_SOLID) - bg_col = m_textBackgroundColour.GetColor(); + x -= LogicalToDeviceXRel(w); - gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x_rtl, y, m_layout, NULL, bg_col); - - if (isScaled) + if (wxIsNullDouble(angle)) { - // reset unscaled size - pango_font_description_set_size( m_fontdesc, oldSize ); - - // actually apply unscaled font - pango_layout_set_font_description( m_layout, m_fontdesc ); + CalcBoundingBox(xLogical, yLogical); + CalcBoundingBox(xLogical + w, yLogical + h); } - if (underlined) - { - // undo underline attributes setting: - pango_layout_set_attributes(m_layout, NULL); - } - - CalcBoundingBox(x + int(w / m_scaleX), y + int(h / m_scaleY)); - CalcBoundingBox(x, y); -} - -// TODO: When GTK2.6 is required, merge DoDrawText and DoDrawRotatedText to -// avoid code duplication -void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle ) -{ - if (!m_gdkwindow || text.empty()) - return; - - wxCHECK_RET( IsOk(), wxT("invalid window dc") ); - -#if __WXGTK26__ - if (!gtk_check_version(2,6,0)) + else { - x = XLOG2DEV(x); - y = YLOG2DEV(y); - - pango_layout_set_text(m_layout, wxGTK_CONV(text), -1); - - if (m_font.GetUnderlined()) - { - PangoAttrList *attrs = pango_attr_list_new(); - PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE); - pango_attr_list_insert(attrs, a); - pango_layout_set_attributes(m_layout, attrs); - pango_attr_list_unref(attrs); - } - - int oldSize = 0; - const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001; - if (isScaled) - { - //TODO: when Pango >= 1.6 is required, use pango_matrix_scale() - // If there is a user or actually any scale applied to - // the device context, scale the font. - - // scale font description - oldSize = pango_font_description_get_size(m_fontdesc); - pango_font_description_set_size(m_fontdesc, int(oldSize * m_scaleY)); - - // actually apply scaled font - pango_layout_set_font_description( m_layout, m_fontdesc ); - } - - int w, h; - pango_layout_get_pixel_size(m_layout, &w, &h); - - const GdkColor* bg_col = NULL; - if (m_backgroundMode == wxBRUSHSTYLE_SOLID) - bg_col = m_textBackgroundColour.GetColor(); - - // rotate the text - PangoMatrix matrix = PANGO_MATRIX_INIT; - pango_matrix_rotate (&matrix, angle); - pango_context_set_matrix (m_context, &matrix); - pango_layout_context_changed (m_layout); - // To be compatible with MSW, the rotation axis must be in the old // top-left corner. // Calculate the vertices of the rotated rectangle containing the text, // relative to the old top-left vertex. - // We could use the matrix for this, but it's simpler with trignonometry. - double rad = DegToRad(angle); // the rectangle vertices are counted clockwise with the first one // being at (0, 0) - double x2 = w * cos(rad); - double y2 = -w * sin(rad); // y axis points to the bottom, hence minus - double x4 = h * sin(rad); - double y4 = h * cos(rad); + double x2 = w * matrix.xx; + double y2 = w * matrix.yx; + double x4 = h * matrix.xy; + double y4 = h * matrix.yy; double x3 = x4 + x2; double y3 = y4 + y2; // Then we calculate max and min of the rotated rectangle. @@ -1537,132 +1452,17 @@ void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord maxY = (wxCoord)(dmax(dmax(0, y2), dmax(y3, y4)) + 0.5), minX = (wxCoord)(dmin(dmin(0, x2), dmin(x3, x4)) - 0.5), minY = (wxCoord)(dmin(dmin(0, y2), dmin(y3, y4)) - 0.5); - - gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x+minX, y+minY, - m_layout, NULL, bg_col); - - if (m_font.GetUnderlined()) - pango_layout_set_attributes(m_layout, NULL); - - // clean up the transformation matrix - pango_context_set_matrix(m_context, NULL); - - if (isScaled) - { - // reset unscaled size - pango_font_description_set_size( m_fontdesc, oldSize ); - - // actually apply unscaled font - pango_layout_set_font_description( m_layout, m_fontdesc ); - } - - CalcBoundingBox(x+minX, y+minY); - CalcBoundingBox(x+maxX, y+maxY); - } - else -#endif //__WXGTK26__ - { -#if wxUSE_IMAGE - if ( wxIsNullDouble(angle) ) - { - DoDrawText(text, x, y); - return; + x += minX; + y += minY; + CalcBoundingBox(DeviceToLogicalX(x), DeviceToLogicalY(y)); + CalcBoundingBox(DeviceToLogicalX(x + maxX - minX), DeviceToLogicalY(y + maxY - minY)); } - wxCoord w; - wxCoord h; - - // TODO: implement later without GdkFont for GTK 2.0 - DoGetTextExtent(text, &w, &h, NULL,NULL, &m_font); - - // 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_gdkwindow, 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); -#else // !wxUSE_IMAGE - wxUnusedVar(text); - wxUnusedVar(x); - wxUnusedVar(y); - wxUnusedVar(angle); -#endif // wxUSE_IMAGE/!wxUSE_IMAGE - } + gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x, y, m_layout, NULL, bg_col); + + pango_context_set_matrix(m_context, NULL); + if (setAttrs) + pango_layout_set_attributes(m_layout, NULL); } void wxWindowDCImpl::DoGetTextExtent(const wxString &string, @@ -1670,100 +1470,27 @@ void wxWindowDCImpl::DoGetTextExtent(const wxString &string, wxCoord *descent, wxCoord *externalLeading, const wxFont *theFont) const { - if ( width ) - *width = 0; - if ( height ) - *height = 0; - if ( descent ) - *descent = 0; - if ( externalLeading ) - *externalLeading = 0; - - if (string.empty()) - return; - - // ensure that theFont is always non-NULL + // ensure we work with a valid font + const wxFont *fontToUse; if ( !theFont || !theFont->IsOk() ) - theFont = &m_font; - - // and use it if it's valid - if ( theFont->IsOk() ) - { - pango_layout_set_font_description - ( - m_layout, - theFont->GetNativeFontInfo()->description - ); - } - - // Set layout's text - const wxCharBuffer dataUTF8 = wxGTK_CONV_FONT(string, *theFont); - if ( !dataUTF8 ) - { - // hardly ideal, but what else can we do if conversion failed? - return; - } + fontToUse = &m_font; + else + fontToUse = theFont; - pango_layout_set_text(m_layout, dataUTF8, -1); + wxCHECK_RET( fontToUse->IsOk(), wxT("invalid font") ); - int h; - pango_layout_get_pixel_size(m_layout, width, &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); - } - if (height) - *height = h; - - // Reset old font description - if (theFont->IsOk()) - pango_layout_set_font_description( m_layout, m_fontdesc ); + wxTextMeasure txm(GetOwner(), fontToUse); + txm.GetTextExtent(string, width, height, descent, externalLeading); } bool wxWindowDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const { - const size_t len = text.length(); - widths.Empty(); - widths.Add(0, len); - - if (text.empty()) - return true; - - // Set layout's text - const wxCharBuffer dataUTF8 = wxGTK_CONV_FONT(text, m_font); - if ( !dataUTF8 ) - { - // hardly ideal, but what else can we do if conversion failed? - wxLogLastError(wxT("DoGetPartialTextExtents")); - return false; - } + wxCHECK_MSG( m_font.IsOk(), false, wxT("Invalid font") ); - pango_layout_set_text(m_layout, dataUTF8, -1); - - // Calculate the position of each character based on the widths of - // the previous characters - - // Code borrowed from Scintilla's PlatGTK - PangoLayoutIter *iter = pango_layout_get_iter(m_layout); - PangoRectangle pos; - pango_layout_iter_get_cluster_extents(iter, NULL, &pos); - size_t i = 0; - while (pango_layout_iter_next_cluster(iter)) - { - pango_layout_iter_get_cluster_extents(iter, NULL, &pos); - int position = PANGO_PIXELS(pos.x); - widths[i++] = position; - } - while (i < len) - widths[i++] = PANGO_PIXELS(pos.x + pos.width); - pango_layout_iter_free(iter); - - return true; + wxTextMeasure txm(GetOwner(), &m_font); + return txm.GetPartialTextExtents(text, widths, m_scaleX); } @@ -1778,10 +1505,10 @@ wxCoord wxWindowDCImpl::GetCharWidth() const wxCoord wxWindowDCImpl::GetCharHeight() const { PangoFontMetrics *metrics = pango_context_get_metrics (m_context, m_fontdesc, pango_context_get_language(m_context)); - wxCHECK_MSG( metrics, -1, _T("failed to get pango font metrics") ); + wxCHECK_MSG( metrics, -1, wxT("failed to get pango font metrics") ); wxCoord h = PANGO_PIXELS (pango_font_metrics_get_descent (metrics) + - pango_font_metrics_get_ascent (metrics)); + pango_font_metrics_get_ascent (metrics)); pango_font_metrics_unref (metrics); return h; } @@ -1813,7 +1540,7 @@ void wxWindowDCImpl::SetFont( const wxFont &font ) { PangoContext *oldContext = m_context; - m_context = m_window->GtkGetPangoDefaultContext(); + m_context = m_window->GTKGetPangoDefaultContext(); // If we switch back/forth between different contexts // we also have to create a new layout. I think so, @@ -1991,7 +1718,7 @@ void wxWindowDCImpl::SetBrush( const wxBrush &brush ) if ((m_brush.GetStyle() == wxBRUSHSTYLE_STIPPLE_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() ); + gdk_gc_set_stipple( m_textGC, *m_brush.GetStipple()->GetMask() ); } if (m_brush.IsHatch()) @@ -2081,6 +1808,9 @@ void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function ) case wxNO_OP: mode = GDK_NOOP; break; case wxSRC_INVERT: mode = GDK_COPY_INVERT; break; case wxNOR: mode = GDK_NOR; break; + default: + wxFAIL_MSG("unknown mode"); + return; } m_logicalFunction = function; @@ -2281,7 +2011,6 @@ int wxWindowDCImpl::GetDepth() const return gdk_drawable_get_depth(m_gdkwindow); } - //----------------------------------------------------------------------------- // wxClientDCImpl //----------------------------------------------------------------------------- @@ -2296,7 +2025,7 @@ wxClientDCImpl::wxClientDCImpl( wxDC *owner ) wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *win ) : wxWindowDCImpl( owner, win ) { - wxCHECK_RET( win, _T("NULL window in wxClientDCImpl::wxClientDC") ); + wxCHECK_RET( win, wxT("NULL window in wxClientDCImpl::wxClientDC") ); #ifdef __WXUNIVERSAL__ wxPoint ptOrigin = win->GetClientAreaOrigin(); @@ -2309,9 +2038,9 @@ wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *win ) void wxClientDCImpl::DoGetSize(int *width, int *height) const { - wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") ); + wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") ); - m_window->GetClientSize( width, height ); + m_window->GetClientSize(width, height); } //-----------------------------------------------------------------------------