X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fc9ab22a7692aa822bb3d8e6326dfb73d12a600b..7d6a4d96961eac84d05db8bb24c64d39003f6e54:/src/gtk/dcclient.cpp?ds=sidebyside diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp index 798b1f413f..c427dfa08c 100644 --- a/src/gtk/dcclient.cpp +++ b/src/gtk/dcclient.cpp @@ -129,7 +129,11 @@ 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 @@ -375,6 +379,18 @@ 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 ); @@ -947,7 +963,7 @@ 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.IsNonTransparent() ) + if (m_pen.IsTransparent()) { ++ww; ++hh; @@ -1372,69 +1388,12 @@ void wxWindowDCImpl::DoDrawText(const wxString& text, gdk_pango_context_set_colormap( m_context, m_cmap ); // not needed in gtk+ >= 2.6 - bool underlined = m_font.IsOk() && m_font.GetUnderlined(); - wxCharBuffer data = wxGTK_CONV(text); if ( !data ) 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); - - 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_attributes(m_layout, attrs); - pango_attr_list_unref(attrs); - } + pango_layout_set_text(m_layout, data, data.length()); + const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout); int oldSize = 0; const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001; @@ -1473,7 +1432,7 @@ void wxWindowDCImpl::DoDrawText(const wxString& text, // actually apply unscaled font pango_layout_set_font_description( m_layout, m_fontdesc ); } - if (underlined) + if (setAttrs) { // undo underline attributes setting: pango_layout_set_attributes(m_layout, NULL); @@ -1492,23 +1451,14 @@ void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord wxCHECK_RET( IsOk(), wxT("invalid window dc") ); -#if __WXGTK26__ +#ifdef __WXGTK26__ if (!gtk_check_version(2,6,0)) { 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); - } - + const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout); int oldSize = 0; const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001; if (isScaled) @@ -1561,7 +1511,7 @@ void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x+minX, y+minY, m_layout, NULL, bg_col); - if (m_font.GetUnderlined()) + if (setAttrs) pango_layout_set_attributes(m_layout, NULL); // clean up the transformation matrix @@ -2304,7 +2254,6 @@ int wxWindowDCImpl::GetDepth() const return gdk_drawable_get_depth(m_gdkwindow); } - //----------------------------------------------------------------------------- // wxClientDCImpl //-----------------------------------------------------------------------------