#include "wx/gtk/private.h"
#include "wx/gtk/private/object.h"
-using wxGTKPrivate::SetPangoAttrsForFont;
-
//-----------------------------------------------------------------------------
// local defines
//-----------------------------------------------------------------------------
wxTEXT_SCREEN,
wxBG_SCREEN,
wxPEN_SCREEN,
- wxBRUSH_SCREEN
+ wxBRUSH_SCREEN,
+ wxTEXT_COLOUR_ALPHA,
+ wxBG_COLOUR_ALPHA,
+ wxPEN_COLOUR_ALPHA,
+ wxBRUSH_COLOUR_ALPHA
};
struct wxGC
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 );
// 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;
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);
- const bool
- setAttrs = SetPangoAttrsForFont(m_font, m_layout, datalen, needshack);
+ 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;
y = YLOG2DEV(y);
pango_layout_set_text(m_layout, wxGTK_CONV(text), -1);
- SetPangoAttrsForFont( m_font, m_layout );
+ const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
int oldSize = 0;
const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001;
if (isScaled)
gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x+minX, y+minY,
m_layout, NULL, bg_col);
- if (m_font.GetUnderlined() || m_font.GetStrikethrough())
+ if (setAttrs)
pango_layout_set_attributes(m_layout, NULL);
// clean up the transformation matrix
return gdk_drawable_get_depth(m_gdkwindow);
}
-bool
-wxGTKPrivate::SetPangoAttrsForFont(const wxFont& font,
- PangoLayout *layout,
- size_t len,
- bool addDummyAttrs)
-{
- if ( !font.IsOk() || !(font.GetUnderlined() || font.GetStrikethrough()) )
- return false;
-
- PangoAttrList* attrs = pango_attr_list_new();
-
- if ( font.GetUnderlined() )
- {
- PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
- if ( len )
- {
- a->start_index = 0;
- a->end_index = len;
- }
- pango_attr_list_insert(attrs, a);
-
- // Add dummy attributes (use colour as it's invisible anyhow for 0
- // width spaces) to ensure that the spaces in the beginning/end of the
- // string are underlined too.
- if ( addDummyAttrs )
- {
- wxASSERT_MSG( len > 2, "Must have 0-width spaces at string ends" );
-
- a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614);
- a->start_index = 0;
- a->end_index = 1;
- pango_attr_list_insert(attrs, a);
-
- a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614);
- a->start_index = len - 1;
- a->end_index = len;
- pango_attr_list_insert(attrs, a);
- }
- }
-
- if ( font.GetStrikethrough() )
- {
- PangoAttribute *a = pango_attr_strikethrough_new( TRUE );
- if ( len )
- {
- a->start_index = 0;
- a->end_index = len;
- }
- pango_attr_list_insert(attrs, a);
- }
-
- pango_layout_set_attributes(layout, attrs);
- pango_attr_list_unref(attrs);
-
- return true;
-}
-
//-----------------------------------------------------------------------------
// wxClientDCImpl
//-----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff