diff options
Diffstat (limited to 'pango/pangox.c')
| -rw-r--r-- | pango/pangox.c | 238 |
1 files changed, 119 insertions, 119 deletions
diff --git a/pango/pangox.c b/pango/pangox.c index cdab10bd..a99b9d86 100644 --- a/pango/pangox.c +++ b/pango/pangox.c @@ -115,13 +115,13 @@ pango_x_find_subfont (PangoFont *font, PangoXSubfont subfont_index) { PangoXFont *xfont = (PangoXFont *)font; - + if (subfont_index < 1 || subfont_index > xfont->n_subfonts) { g_warning ("Invalid subfont %d", subfont_index); return NULL; } - + return xfont->subfonts[subfont_index-1]; } @@ -132,7 +132,7 @@ pango_x_make_font_struct (PangoFont *font, PangoXSubfontInfo *info) PangoXFontCache *cache; cache = pango_x_font_map_get_font_cache (xfont->fontmap); - + info->font_struct = pango_x_font_cache_load (cache, info->xlfd); if (!info->font_struct) { @@ -141,7 +141,7 @@ pango_x_make_font_struct (PangoFont *font, PangoXSubfontInfo *info) /* Prevent a segfault, but probably not much more */ info->font_struct = pango_x_font_cache_load (cache, "fixed"); } - + info->is_1byte = (info->font_struct->min_byte1 == 0 && info->font_struct->max_byte1 == 0); info->range_byte1 = info->font_struct->max_byte1 - info->font_struct->min_byte1 + 1; info->range_byte2 = info->font_struct->max_char_or_byte2 - info->font_struct->min_char_or_byte2 + 1; @@ -152,17 +152,17 @@ pango_x_get_font_struct (PangoFont *font, PangoXSubfontInfo *info) { if (!info->font_struct) pango_x_make_font_struct (font, info); - + return info->font_struct; } /** * pango_x_get_context: * @display: an X display (As returned by XOpenDisplay().) - * + * * Retrieves a #PangoContext appropriate for rendering with X fonts on the * given display. - * + * * Return value: the new #PangoContext. **/ PangoContext * @@ -172,26 +172,26 @@ pango_x_get_context (Display *display) PangoXContextInfo *info; int i; static gboolean registered_modules = FALSE; - - g_return_val_if_fail (display != NULL, NULL); + + g_return_val_if_fail (display != NULL, NULL); if (!registered_modules) { registered_modules = TRUE; - + for (i = 0; _pango_included_x_modules[i].list; i++) pango_module_register (&_pango_included_x_modules[i]); } - + result = pango_context_new (); - + info = g_new (PangoXContextInfo, 1); info->get_gc_func = NULL; info->free_gc_func = NULL; g_object_set_qdata_full (G_OBJECT (result), g_quark_from_static_string ("pango-x-info"), info, (GDestroyNotify)g_free); - + pango_context_set_font_map (result, pango_x_font_map_for_display (display)); return result; @@ -202,7 +202,7 @@ pango_x_get_context (Display *display) * @context: a #PangoContext. * @get_gc_func: function called to create a new GC for a given color. * @free_gc_func: function called to free a GC created with @get_gc_func. - * + * * Sets the functions that will be used to get GC's in various colors when * rendering layouts with this context. **/ @@ -212,7 +212,7 @@ pango_x_context_set_funcs (PangoContext *context, PangoFreeGCFunc free_gc_func) { PangoXContextInfo *info; - + g_return_if_fail (context != NULL); info = g_object_get_qdata (G_OBJECT (context), @@ -242,16 +242,16 @@ pango_x_font_get_type (void) (GInstanceInitFunc) pango_x_font_init, NULL /* value_table */ }; - + object_type = g_type_register_static (PANGO_TYPE_FONT, I_("PangoXFont"), &object_info, 0); } - + return object_type; } -static void +static void pango_x_font_init (PangoXFont *xfont) { xfont->subfonts_by_charset = g_hash_table_new (g_str_hash, g_str_equal); @@ -273,10 +273,10 @@ pango_x_font_class_init (PangoXFontClass *class) PangoFontClass *font_class = PANGO_FONT_CLASS (class); parent_class = g_type_class_peek_parent (class); - + object_class->finalize = pango_x_font_finalize; object_class->dispose = pango_x_font_dispose; - + font_class->describe = pango_x_font_describe; font_class->get_coverage = pango_x_font_get_coverage; font_class->find_shaper = pango_x_font_find_shaper; @@ -294,7 +294,7 @@ pango_x_font_new (PangoFontMap *fontmap, const char *spec, int size) g_return_val_if_fail (spec != NULL, NULL); result = g_object_new (PANGO_TYPE_X_FONT, NULL); - + result->fontmap = fontmap; g_object_ref (fontmap); result->display = pango_x_fontmap_get_display (fontmap); @@ -329,7 +329,7 @@ pango_x_load_font (Display *display, g_return_val_if_fail (display != NULL, NULL); g_return_val_if_fail (spec != NULL, NULL); - + result = pango_x_font_new (pango_x_font_map_for_display (display), spec, -1); return (PangoFont *)result; @@ -347,7 +347,7 @@ pango_x_load_font (Display *display, } \ } G_STMT_END - + /** * pango_x_render: * @display: the X display. @@ -360,13 +360,13 @@ pango_x_load_font (Display *display, * * Renders a #PangoGlyphString onto an X drawable. */ -void +void pango_x_render (Display *display, Drawable d, GC gc, PangoFont *font, PangoGlyphString *glyphs, - int x, + int x, int y) { Font old_fid = None; @@ -386,7 +386,7 @@ pango_x_render (Display *display, g_return_if_fail (display != NULL); g_return_if_fail (glyphs != NULL); - + for (i=0; i<glyphs->num_glyphs; i++) { PangoGlyph glyph = glyphs->glyphs[i].glyph; @@ -403,20 +403,20 @@ pango_x_render (Display *display, glyph_x >= -16384 && glyph_x <= 32767 && glyph_y >= -16384 && glyph_y <= 32767)) goto next_glyph; - + if ((glyph & PANGO_GLYPH_UNKNOWN_FLAG) == 0) { guint16 index = PANGO_X_GLYPH_INDEX (glyph); guint16 subfont_index = PANGO_X_GLYPH_SUBFONT (glyph); PangoXSubfontInfo *subfont; - + subfont = pango_x_find_subfont (font, subfont_index); if (subfont) { fs = pango_x_get_font_struct (font, subfont); if (!fs) continue; - + if (fs->fid != old_fid) { FLUSH; @@ -448,7 +448,7 @@ pango_x_render (Display *display, int baseline; int stroke_thick; gunichar wc; - + unknown_glyph: FLUSH; @@ -473,7 +473,7 @@ pango_x_render (Display *display, baseline = glyph_y; stroke_thick = MAX ((int) (0.5 + 0.075 * (y2 - y1)), 1); - + if (glyph & PANGO_GLYPH_UNKNOWN_FLAG) wc = glyph & (~PANGO_GLYPH_UNKNOWN_FLAG); else @@ -509,7 +509,7 @@ pango_x_render (Display *display, baseline - stroke_thick + (stroke_thick - tmp_height) / 2, arrow_x, baseline - stroke_thick + (stroke_thick - tmp_height) / 2 + tmp_height - 1); - + if ((arrow_x - x1 - hborder) % 2 == 1) tmp_height += 2; } @@ -565,7 +565,7 @@ pango_x_render (Display *display, XFillRectangle (display, d, gc, x1, y2 - stroke_thick, x2 - x1, stroke_thick); - + break; } } @@ -621,12 +621,12 @@ pango_x_font_get_glyph_extents (PangoFont *font, gunichar wc; gdouble width_factor; int w; - + if (glyph & PANGO_GLYPH_UNKNOWN_FLAG) wc = glyph & (~PANGO_GLYPH_UNKNOWN_FLAG); else wc = 0; - + switch (wc) { case '\n': @@ -646,14 +646,14 @@ pango_x_font_get_glyph_extents (PangoFont *font, width_factor = 1.0; } } - + metrics = pango_font_get_metrics (font, NULL); if (metrics) { w = metrics->approximate_char_width * width_factor; w = PANGO_SCALE * PANGO_PIXELS (w); - + if (ink_rect) { ink_rect->x = PANGO_SCALE; @@ -689,7 +689,7 @@ get_int_prop (Atom atom, int i; *val = 0; - + i = 0; while (i < fs->n_properties) { @@ -727,7 +727,7 @@ itemize_string_foreach (PangoFont *font, guint8 *embedding_levels; PangoDirection base_dir = PANGO_DIRECTION_LTR; gboolean finished = FALSE; - + embedding_levels = pango_log2vis_get_embedding_levels (str, -1, &base_dir); last_shaper = NULL; @@ -749,8 +749,8 @@ itemize_string_foreach (PangoFont *font, finished = TRUE; shaper = NULL; } - - if (p > start && + + if (p > start && (finished || (shaper != last_shaper || last_level != embedding_levels[i]))) { @@ -763,25 +763,25 @@ itemize_string_foreach (PangoFont *font, analysis.language = language; analysis.level = last_level; analysis.extra_attrs = NULL; - + pango_shape (start, p - start, &analysis, glyph_str); for (j = 0; j < glyph_str->num_glyphs; j++) (*func) (font, &glyph_str->glyphs[j], data); - + start = p; } if (!finished) { p = g_utf8_next_char (p); - + last_shaper = shaper; last_level = embedding_levels[i]; i++; } } - + pango_glyph_string_free (glyph_str); g_free (embedding_levels); } @@ -797,24 +797,24 @@ get_font_metrics_from_subfonts (PangoFont *font, GSList *tmp_list = subfonts; gboolean first = TRUE; int total_avg_widths = 0; - int n_avg_widths = 0; + int n_avg_widths = 0; Atom avg_width_atom; avg_width_atom = pango_x_fontmap_atom_from_name (xfont->fontmap, "AVERAGE_WIDTH"); - + metrics->ascent = 0; metrics->descent = 0; - + while (tmp_list) { PangoXSubfontInfo *subfont = pango_x_find_subfont (font, GPOINTER_TO_UINT (tmp_list->data)); - + if (subfont) { XFontStruct *fs = pango_x_get_font_struct (font, subfont); gint avg_width = 0; - + if (fs) { if (first) @@ -847,7 +847,7 @@ get_font_metrics_from_subfonts (PangoFont *font, avg_width = PANGO_SCALE * ((fs->min_bounds.width + fs->max_bounds.width) / 2); } } - + if (avg_width) { total_avg_widths += avg_width; @@ -856,7 +856,7 @@ get_font_metrics_from_subfonts (PangoFont *font, } else g_warning ("Invalid subfont %d in get_font_metrics_from_subfonts", GPOINTER_TO_UINT (tmp_list->data)); - + tmp_list = tmp_list->next; } @@ -908,7 +908,7 @@ get_font_metrics_from_string (PangoFont *font, PangoFontMetrics *metrics) { GSList *subfonts = NULL; - + itemize_string_foreach (font, language, str, get_subfonts_foreach, &subfonts); get_font_metrics_from_subfonts (font, subfonts, metrics); g_slist_free (subfonts); @@ -933,7 +933,7 @@ get_total_width_for_string (PangoFont *font, const char *str) { int width = 0; - + itemize_string_foreach (font, language, str, average_width_foreach, &width); return width; @@ -946,14 +946,14 @@ pango_x_font_get_metrics (PangoFont *font, PangoXMetricsInfo *info = NULL; /* Quiet gcc */ PangoXFont *xfont = (PangoXFont *)font; GSList *tmp_list; - + const char *sample_str = pango_language_get_sample_string (language); - + tmp_list = xfont->metrics_by_lang; while (tmp_list) { info = tmp_list->data; - + if (info->sample_str == sample_str) /* We _don't_ need strcmp */ break; @@ -977,7 +977,7 @@ pango_x_font_get_metrics (PangoFont *font, info->metrics = metrics; } - + return pango_font_metrics_ref (info->metrics); } @@ -1017,7 +1017,7 @@ name_for_charset (char *xlfd, char *charset) for (p = xlfd; *p; p++) if (*p == '-') ndashes++; - + if (ndashes == 14) /* Complete XLFD */ { if (match_end (xlfd, "-*-*")) @@ -1061,22 +1061,22 @@ pango_x_insert_subfont (PangoFont *font, const char *xlfd) { PangoXFont *xfont = (PangoXFont *)font; PangoXSubfontInfo *info; - + info = g_new (PangoXSubfontInfo, 1); - + info->xlfd = g_strdup (xlfd); info->font_struct = NULL; xfont->n_subfonts++; - + if (xfont->n_subfonts > xfont->max_subfonts) { xfont->max_subfonts *= 2; xfont->subfonts = g_renew (PangoXSubfontInfo *, xfont->subfonts, xfont->max_subfonts); } - + xfont->subfonts[xfont->n_subfonts - 1] = info; - + return xfont->n_subfonts; } @@ -1089,11 +1089,11 @@ pango_x_insert_subfont (PangoFont *font, const char *xlfd) * the result must be freed using g_free(). * @subfont_charsets: location to store a pointer to an array of subfont IDs for each found subfont; * the result must be freed using g_free(). - * + * * Lists the subfonts of a given font. The result is ordered first by charset, * and then within each charset, by the order of fonts in the font specification. * - * Return value: length of the arrays stored in @subfont_ids and + * Return value: length of the arrays stored in @subfont_ids and * @subfont_charsets. **/ int @@ -1113,7 +1113,7 @@ pango_x_list_subfonts (PangoFont *font, g_return_val_if_fail (n_charsets == 0 || charsets != NULL, 0); fontmap = pango_x_font_map_for_display (xfont->display); - + subfont_lists = g_new (PangoXSubfont *, n_charsets); for (j=0; j<n_charsets; j++) @@ -1122,7 +1122,7 @@ pango_x_list_subfonts (PangoFont *font, if (!subfont_lists[j]) { subfont_lists[j] = g_new (PangoXSubfont, xfont->n_fonts); - + for (i = 0; i < xfont->n_fonts; i++) { PangoXSubfont subfont = 0; @@ -1131,14 +1131,14 @@ pango_x_list_subfonts (PangoFont *font, if (xfont->size == -1) { xlfd = name_for_charset (xfont->fonts[i], charsets[j]); - + if (xlfd) { int count; char **names = XListFonts (xfont->display, xlfd, 1, &count); if (count > 0) subfont = pango_x_insert_subfont (font, names[0]); - + XFreeFontNames (names); g_free (xlfd); } @@ -1152,7 +1152,7 @@ pango_x_list_subfonts (PangoFont *font, g_free (xlfd); } } - + subfont_lists[j][i] = subfont; } @@ -1188,9 +1188,9 @@ pango_x_list_subfonts (PangoFont *font, * @font: a #PangoFont which must be from the X backend. * @glyph: the index of a glyph in the font. (Formed * using the #PANGO_X_MAKE_GLYPH macro) - * + * * Checks if the given glyph is present in a X font. - * + * * Return value: %TRUE if the glyph is present. **/ gboolean @@ -1206,7 +1206,7 @@ pango_x_has_glyph (PangoFont *font, subfont = pango_x_find_subfont (font, subfont_index); if (!subfont) return FALSE; - + cs = pango_x_get_per_char (font, subfont, char_index); if (cs && (cs->lbearing != cs->rbearing || cs->width != 0)) @@ -1219,10 +1219,10 @@ pango_x_has_glyph (PangoFont *font, * pango_x_font_subfont_xlfd: * @font: a #PangoFont which must be from the X backend. * @subfont_id: the id of a subfont within the font. - * + * * Determines the X Logical Font Description for the specified * subfont. - * + * * Return value: A newly-allocated string containing the XLFD for the * subfont. This string must be freed with g_free(). **/ @@ -1302,7 +1302,7 @@ pango_x_font_finalize (GObject *object) g_slist_foreach (xfont->metrics_by_lang, (GFunc)free_metrics_info, NULL); g_slist_free (xfont->metrics_by_lang); - + if (xfont->xface) pango_x_face_remove (xfont->xface, (PangoFont *)xfont); @@ -1336,13 +1336,13 @@ pango_x_get_shaper_map (PangoLanguage *language) { static guint engine_type_id = 0; static guint render_type_id = 0; - + if (engine_type_id == 0) { engine_type_id = g_quark_from_static_string (PANGO_ENGINE_TYPE_SHAPE); render_type_id = g_quark_from_static_string (PANGO_RENDER_TYPE_X); } - + return pango_find_map (language, engine_type_id, render_type_id); } @@ -1396,14 +1396,14 @@ pango_x_get_per_char (PangoFont *font, byte1 = (int)(char_index / 256) - fs->min_byte1; if (byte1 < 0 || byte1 >= subfont->range_byte1) return NULL; - + byte2 = (int)(char_index % 256) - fs->min_char_or_byte2; if (byte2 < 0 || byte2 >= subfont->range_byte2) return NULL; index = byte1 * subfont->range_byte2 + byte2; } - + if (fs->per_char) return &fs->per_char[index]; else @@ -1425,7 +1425,7 @@ pango_x_find_glyph (PangoFont *font, subfont = pango_x_find_subfont (font, subfont_index); if (!subfont) return FALSE; - + cs = pango_x_get_per_char (font, subfont, char_index); if (cs && (cs->lbearing != cs->rbearing || cs->width != 0)) @@ -1435,7 +1435,7 @@ pango_x_find_glyph (PangoFont *font, if (charstruct_return) *charstruct_return = cs; - + return TRUE; } else @@ -1445,13 +1445,13 @@ pango_x_find_glyph (PangoFont *font, /** * pango_x_get_unknown_glyph: * @font: a #PangoFont. - * + * * Returns the index of a glyph suitable for drawing unknown characters; * you should generally use PANGO_GET_UNKNOWN_GLYPH() instead, * since that may return a glyph that provides a better representation * of a particular char. (E.g., by showing hex digits, or a glyph * representative of a certain Unicode range.) - * + * * Return value: a glyph index into @font. **/ PangoGlyph @@ -1471,12 +1471,12 @@ pango_x_get_unknown_glyph (PangoFont *font) * * Renders a #PangoLayoutLine onto an X drawable. */ -void +void pango_x_render_layout_line (Display *display, Drawable drawable, GC gc, PangoLayoutLine *line, - int x, + int x, int y) { GSList *tmp_list = line->runs; @@ -1487,11 +1487,11 @@ pango_x_render_layout_line (Display *display, PangoXContextInfo *info = g_object_get_qdata (G_OBJECT (context), g_quark_from_static_string ("pango-x-info")); - + int x_off = 0; pango_layout_line_get_extents (line,NULL, &overall_rect); - + while (tmp_list) { PangoUnderline uline = PANGO_UNDERLINE_NONE; @@ -1499,7 +1499,7 @@ pango_x_render_layout_line (Display *display, PangoAttrColor fg_color, bg_color; gboolean fg_set, bg_set; GC fg_gc; - + tmp_list = tmp_list->next; pango_x_get_item_properties (run->item, &uline, &fg_color, &fg_set, &bg_color, &bg_set); @@ -1563,7 +1563,7 @@ pango_x_render_layout_line (Display *display, else XDrawLine (display, drawable, gc, point_x, y + 3, MIN (point_x + 1, end_x), y + 3); - + counter = (counter + 1) % 2; } } @@ -1577,7 +1577,7 @@ pango_x_render_layout_line (Display *display, if (fg_set && info->get_gc_func && info->free_gc_func) info->free_gc_func (context, fg_gc); - + x_off += logical_rect.width; } } @@ -1593,12 +1593,12 @@ pango_x_render_layout_line (Display *display, * * Renders a #PangoLayout onto an X drawable. */ -void +void pango_x_render_layout (Display *display, Drawable drawable, GC gc, PangoLayout *layout, - int x, + int x, int y) { PangoLayoutIter *iter; @@ -1613,12 +1613,12 @@ pango_x_render_layout (Display *display, PangoRectangle logical_rect; PangoLayoutLine *line; int baseline; - + line = pango_layout_iter_get_line_readonly (iter); - + pango_layout_iter_get_line_extents (iter, NULL, &logical_rect); baseline = pango_layout_iter_get_baseline (iter); - + pango_x_render_layout_line (display, drawable, gc, line, x + PANGO_PIXELS (logical_rect.x), @@ -1644,10 +1644,10 @@ pango_x_get_item_properties (PangoItem *item, if (fg_set) *fg_set = FALSE; - + if (bg_set) *bg_set = FALSE; - + while (tmp_list) { PangoAttribute *attr = tmp_list->data; @@ -1658,23 +1658,23 @@ pango_x_get_item_properties (PangoItem *item, if (uline) *uline = ((PangoAttrInt *)attr)->value; break; - + case PANGO_ATTR_FOREGROUND: if (fg_color) *fg_color = *((PangoAttrColor *)attr); if (fg_set) *fg_set = TRUE; - + break; - + case PANGO_ATTR_BACKGROUND: if (bg_color) *bg_color = *((PangoAttrColor *)attr); if (bg_set) *bg_set = TRUE; - + break; - + default: break; } @@ -1695,29 +1695,29 @@ pango_x_get_item_properties (PangoItem *item, * Return value: %FALSE, always. */ gboolean -pango_x_apply_ligatures (PangoFont *font, +pango_x_apply_ligatures (PangoFont *font, PangoXSubfont subfont_id, - gunichar **glyphs, + gunichar **glyphs, int *n_glyphs, - int **clusters) + int **clusters) { return FALSE; } - + /** * pango_x_find_first_subfont: * @font: A #PangoFont. * @rfont: A pointer to a #PangoXSubfont. * @charsets: An array of charsets. * @n_charsets: The number of charsets in @charsets. - * + * * Looks for subfonts with the @charset charset, * in @font, and puts the first one in *@rfont. * * Return value: %TRUE if *@rfont now contains a font. */ gboolean -pango_x_find_first_subfont (PangoFont *font, +pango_x_find_first_subfont (PangoFont *font, char **charsets, int n_charsets, PangoXSubfont *rfont) @@ -1751,22 +1751,22 @@ pango_x_find_first_subfont (PangoFont *font, * @glyphs: A pointer to a #PangoGlyphString. * @text: UTF-8 string. * @n_chars: Number of UTF-8 seqs in @text. - * + * * This is a simple fallback shaper, that can be used - * if no subfont that supports a given script is found. + * if no subfont that supports a given script is found. * For every character in @text, it puts the unknown glyph. */ -void -pango_x_fallback_shape (PangoFont *font, - PangoGlyphString *glyphs, - const char *text, - int n_chars) +void +pango_x_fallback_shape (PangoFont *font, + PangoGlyphString *glyphs, + const char *text, + int n_chars) { PangoGlyph unknown_glyph = pango_x_get_unknown_glyph (font); PangoRectangle logical_rect; const char *p; int i; - + g_return_if_fail (font); g_return_if_fail (glyphs); g_return_if_fail (text); @@ -1784,7 +1784,7 @@ pango_x_fallback_shape (PangoFont *font, glyphs->glyphs[i].geometry.width = logical_rect.width; glyphs->log_clusters[i] = p - text; - + p = g_utf8_next_char (p); } } |