+#ifdef __WXGTK20__
+ int dpi = GetResolution() * 2;
+
+ PangoContext *context = pango_ft2_get_context ( dpi, dpi );
+
+ // What are these for?
+ pango_context_set_language (context, pango_language_from_string ("en_US"));
+ pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
+
+ // Set the font
+ pango_context_set_font_description (context, m_font.GetNativeFontInfo()->description );
+
+ // Create layout
+ PangoLayout *layout = layout = pango_layout_new (context);
+#if wxUSE_UNICODE
+ wxCharBuffer buffer = wxConvUTF8.cWC2MB( text );
+#else
+ wxCharBuffer buffer = wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) );
+#endif
+ pango_layout_set_text( layout, (const char*) buffer, strlen(buffer) );
+
+#if 1
+ double xx = LogicalToDeviceX(x);
+ double yy = LogicalToDeviceY(y /*+ bitmap.GetHeight()*/ );
+
+ // Loop over lines in layout
+ int num_lines = pango_layout_get_line_count( layout );
+ for (int i = 0; i < num_lines; i++)
+ {
+ PangoLayoutLine *line = pango_layout_get_line( layout, i );
+
+ // Loop over runs in line
+ GSList *runs_list = line->runs;
+ while (runs_list)
+ {
+ PangoLayoutRun *run = (PangoLayoutRun*) runs_list->data;
+ PangoItem *item = run->item;
+ PangoGlyphString *glyphs = run->glyphs;
+ PangoAnalysis *analysis = &item->analysis;
+ PangoFont *font = analysis->font;
+ FT_Face ft_face = pango_ft2_font_get_face(font);
+
+ int num_glyphs = glyphs->num_glyphs;
+ for (int glyph_idx = 0; glyph_idx < num_glyphs; glyph_idx++)
+ {
+ PangoGlyphGeometry geometry = glyphs->glyphs[glyph_idx].geometry;
+ double pos_x = xx + 1.0 * geometry.x_offset / PANGO_SCALE;
+ double pos_y = yy - 1.0 * geometry.y_offset / PANGO_SCALE;
+ xx += 1.0 * geometry.width / PANGO_SCALE;
+
+ draw_bezier_outline( m_pstream, dpi, ft_face,
+ (FT_UInt)(glyphs->glyphs[glyph_idx].glyph),
+ (wxCoord)pos_x, (wxCoord)pos_y );
+ }
+ runs_list = runs_list->next;
+ }
+ }
+#else
+ // Find out extent for the bitmap
+ int height = 0;
+ int width = 0;
+ PangoRectangle logical_rect;
+ pango_layout_get_extents (layout, NULL, &logical_rect);
+ height = PANGO_PIXELS (logical_rect.height);
+ width = PANGO_PIXELS (logical_rect.width);
+
+ // printf( "h %d w %d lh %d lw %d\n", height, width, logical_rect.height, logical_rect.width );
+
+ // Allocate FreeType 2 bitmap
+ int byte_width = (width + 7)/8 * 8;
+ FT_Bitmap bitmap;
+ guchar *buf = (guchar*) g_malloc (byte_width * height);
+ memset (buf, 0x00, byte_width * height);
+ bitmap.rows = height;
+ bitmap.width = byte_width;
+ bitmap.pitch = byte_width;
+ bitmap.buffer = buf;
+ bitmap.num_grays = 256;
+ bitmap.pixel_mode = ft_pixel_mode_grays;
+
+ // Render bitmap
+ pango_ft2_render_layout (&bitmap, layout, 0, 0);
+
+ // Invert bitmap to get black text on white background
+ for (int pix_idx = 0; pix_idx < width * height; pix_idx++)
+ buf[pix_idx] = 255-buf[pix_idx];
+
+ // Write PS output
+ wxCoord xx = LogicalToDeviceX(x);
+ wxCoord yy = LogicalToDeviceY(y /*+ bitmap.GetHeight()*/ );
+
+ fprintf(m_pstream, "gsave\n");
+ fprintf(m_pstream, "%d %d translate\n", xx, yy);
+ fprintf(m_pstream, "/img_width %d def\n", bitmap.width);
+ fprintf(m_pstream, "/img_height %d def\n", bitmap.rows);
+ fprintf(m_pstream, "/picstr img_width 8 idiv string def\n");
+
+ fprintf(m_pstream,
+ " img_width 72 15 div mul\n"
+ " img_height 72 15 div mul scale\n"
+ " 0 setgray\n"
+ " img_width img_height\n"
+ " true\n"
+ " [img_width 0 0 img_height neg 0 img_height 0.67 mul]\n"
+ " { currentfile\n"
+ " picstr readhexstring pop }\n"
+ " imagemask"
+ );
+
+
+ for (int b_idx= 0; b_idx < bitmap.width/8 * bitmap.rows; b_idx++)
+ {
+ guchar packed_b = 0;
+ int bit_idx;
+
+ if (b_idx % (bitmap.width/8) == 0)
+ fprintf(m_pstream, "\n");
+
+ for (bit_idx = 0; bit_idx < 8; bit_idx++)
+ {
+ guchar this_bit = bitmap.buffer[b_idx * 8+bit_idx]<128;
+ packed_b = (packed_b << 1) + this_bit;
+ }
+ fprintf(m_pstream, "%02x", packed_b);
+ }
+
+ fprintf(m_pstream, "\ngrestore\n" );
+
+ // Free memory
+ g_free( buf );
+#endif
+
+#else
projects / wxWidgets.git / blobdiff