Further code for Pango fonts (work now) and
some code for Pango prining. Doesn't work.. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16380 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
parent
db16cab461
commit
46eed000d6
@ -1168,10 +1168,115 @@ void wxPostScriptDC::SetBrush( const wxBrush& brush )
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}
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}
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#ifdef __WXGTK20__
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#include "wx/gtk/private.h"
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#include "wx/fontutil.h"
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#include "gtk/gtk.h"
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#include <pango/pangoft2.h>
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#endif
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void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
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{
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wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
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#ifdef 0
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//__WXGTK20__
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PangoContext *context = pango_ft2_get_context (150, 150);
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// What are these for?
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pango_context_set_language (context, pango_language_from_string ("en_US"));
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pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
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// Set the font
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pango_context_set_font_description (context, m_font.GetNativeFontInfo()->description );
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// Create layout
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PangoLayout *layout = layout = pango_layout_new (context);
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#if wxUSE_UNICODE
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wxCharBuffer buffer = wxConvUTF8.cWC2MB( text );
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#else
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wxCharBuffer buffer = wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) );
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#endif
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pango_layout_set_text( layout, (const char*) buffer, strlen(buffer) );
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// Find out extent for the bitmap
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int height = 0;
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int width = 0;
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PangoRectangle logical_rect;
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pango_layout_get_extents (layout, NULL, &logical_rect);
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height = PANGO_PIXELS (logical_rect.height);
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width = PANGO_PIXELS (logical_rect.width);
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// Allocate FreeType 2 bitmap
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int byte_width = (width + 7)/8 * 8;
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FT_Bitmap bitmap;
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guchar *buf = (guchar*) g_malloc (byte_width * height);
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memset (buf, 0x00, byte_width * height);
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bitmap.rows = height;
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bitmap.width = byte_width;
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bitmap.pitch = byte_width;
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bitmap.buffer = buf;
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bitmap.num_grays = 256;
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bitmap.pixel_mode = ft_pixel_mode_grays;
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// Render bitmap
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pango_ft2_render_layout (&bitmap, layout, 0, 0);
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// Invert bitmap to get black text on white background
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for (int pix_idx = 0; pix_idx < width * height; pix_idx++)
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buf[pix_idx] = 255-buf[pix_idx];
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// Write PS output
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wxCoord xx = LogicalToDeviceX(x);
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wxCoord yy = LogicalToDeviceY(y /*+ bitmap.GetHeight()*/ );
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fprintf(m_pstream, "gsave\n");
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fprintf(m_pstream, "%d %d translate\n", xx, yy);
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fprintf(m_pstream, "/img_width %d def\n", bitmap.width);
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fprintf(m_pstream, "/img_height %d def\n", bitmap.rows);
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fprintf(m_pstream, "/picstr img_width 8 idiv string def\n");
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fprintf(m_pstream,
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" img_width 72 150 div mul\n"
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" img_height 72 150 div mul scale\n"
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" 0 setgray\n"
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" img_width img_height\n"
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" true\n"
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" [img_width 0 0 img_height neg 0 img_height 0.67 mul]\n"
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" { currentfile\n"
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" picstr readhexstring pop }\n"
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" imagemask"
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);
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for (int b_idx= 0; b_idx < bitmap.width/8 * bitmap.rows; b_idx++)
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{
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guchar packed_b = 0;
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int bit_idx;
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if (b_idx % (bitmap.width/8) == 0)
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fprintf(m_pstream, "\n");
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for (bit_idx = 0; bit_idx < 8; bit_idx++)
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{
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guchar this_bit = bitmap.buffer[b_idx * 8+bit_idx]>128;
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packed_b = (packed_b << 1) + this_bit;
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}
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fprintf(m_pstream, "%02x", packed_b);
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}
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fprintf(m_pstream, "\ngrestore\n" );
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// Free memory
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g_free( buf );
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#else
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wxCoord text_w, text_h, text_descent;
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GetTextExtent(text, &text_w, &text_h, &text_descent);
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@ -1276,6 +1381,7 @@ void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
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CalcBoundingBox( x, y );
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CalcBoundingBox( x + size * text.Length() * 2/3 , y );
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#endif
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}
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void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
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@ -331,6 +331,7 @@ wxWindowDC::wxWindowDC( wxWindow *window )
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#ifdef __WXGTK20__
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m_context = gtk_widget_get_pango_context( widget );
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m_fontdesc = widget->style->font_desc;
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#endif
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@ -178,6 +178,27 @@ void wxFontRefData::Init(int pointSize,
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m_underlined = underlined;
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m_encoding = encoding;
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// Create native font info
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m_nativeFontInfo.description = pango_font_description_new();
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// And set its values
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switch (m_family)
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{
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case wxFONTFAMILY_TELETYPE:
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pango_font_description_set_family( m_nativeFontInfo.description, "monospaced" );
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break;
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case wxFONTFAMILY_SWISS:
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pango_font_description_set_family( m_nativeFontInfo.description, "serif" );
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break;
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default:
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pango_font_description_set_family( m_nativeFontInfo.description, "sans" );
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break;
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}
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SetStyle( m_style );
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SetPointSize( m_pointSize );
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SetWeight( m_weight );
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}
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wxFontRefData::wxFontRefData( const wxFontRefData& data )
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@ -331,6 +331,7 @@ wxWindowDC::wxWindowDC( wxWindow *window )
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#ifdef __WXGTK20__
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m_context = gtk_widget_get_pango_context( widget );
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m_fontdesc = widget->style->font_desc;
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#endif
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@ -178,6 +178,27 @@ void wxFontRefData::Init(int pointSize,
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m_underlined = underlined;
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m_encoding = encoding;
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// Create native font info
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m_nativeFontInfo.description = pango_font_description_new();
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// And set its values
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switch (m_family)
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{
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case wxFONTFAMILY_TELETYPE:
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pango_font_description_set_family( m_nativeFontInfo.description, "monospaced" );
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break;
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case wxFONTFAMILY_SWISS:
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pango_font_description_set_family( m_nativeFontInfo.description, "serif" );
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break;
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default:
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pango_font_description_set_family( m_nativeFontInfo.description, "sans" );
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break;
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}
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SetStyle( m_style );
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SetPointSize( m_pointSize );
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SetWeight( m_weight );
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}
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wxFontRefData::wxFontRefData( const wxFontRefData& data )
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