- wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
-
-#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
- wxCoord text_w, text_h, text_descent;
-
- GetTextExtent(text, &text_w, &text_h, &text_descent);
-
- // VZ: this seems to be unnecessary, so taking it out for now, if it
- // doesn't create any problems, remove this comment entirely
- //SetFont( m_font );
projects / wxWidgets.git / blobdiff