diff options
Diffstat (limited to 'pango-view/viewer-pangocairo.c')
| -rw-r--r-- | pango-view/viewer-pangocairo.c | 129 |
1 files changed, 66 insertions, 63 deletions
diff --git a/pango-view/viewer-pangocairo.c b/pango-view/viewer-pangocairo.c index bed0f38f..e834540d 100644 --- a/pango-view/viewer-pangocairo.c +++ b/pango-view/viewer-pangocairo.c @@ -133,15 +133,15 @@ render_callback (PangoLayout *layout, int x, int y, gpointer context, - gpointer data) + gpointer state) { cairo_t *cr = (cairo_t *) context; - gboolean show_borders = GPOINTER_TO_UINT (data) == 0xdeadbeef; + int annotate = GPOINTER_TO_INT (state) % 3; cairo_save (cr); cairo_translate (cr, x, y); - if (show_borders) + if (annotate) { cairo_pattern_t *pattern; PangoRectangle ink, logical; @@ -150,68 +150,71 @@ render_callback (PangoLayout *layout, pango_layout_get_extents (layout, &ink, &logical); - /* draw resolved gravity "roof" in blue */ - cairo_save (cr); - cairo_translate (cr, - (double)logical.x / PANGO_SCALE, - (double)logical.y / PANGO_SCALE); - cairo_scale (cr, - (double)logical.width / PANGO_SCALE * 0.5, - (double)logical.height / PANGO_SCALE * 0.5); - cairo_translate (cr, 1.0, 1.0); - cairo_rotate (cr, - pango_gravity_to_rotation ( - pango_context_get_gravity ( - pango_layout_get_context (layout)))); - cairo_move_to (cr, -1.0, -1.0); - cairo_rel_line_to (cr, +1.0, -0.2); /* / */ - cairo_rel_line_to (cr, +1.0, +0.2); /* \ */ - cairo_close_path (cr); /* - */ - pattern = cairo_pattern_create_linear (0, -1.0, 0, -1.2); - cairo_pattern_add_color_stop_rgba (pattern, 0.0, 0.0, 0.0, 1.0, 0.0); - cairo_pattern_add_color_stop_rgba (pattern, 1.0, 0.0, 0.0, 1.0, 0.15); - cairo_set_source (cr, pattern); - cairo_fill (cr); - /* once more, without close_path this time */ - cairo_move_to (cr, -1.0, -1.0); - cairo_rel_line_to (cr, +1.0, -0.2); /* / */ - cairo_rel_line_to (cr, +1.0, +0.2); /* \ */ - /* silly line_width is not locked :(. get rid of scale. */ - cairo_restore (cr); - cairo_save (cr); - cairo_set_source_rgba (cr, 0.0, 0.0, 0.7, 0.2); - cairo_stroke (cr); - cairo_restore (cr); + if (annotate >= 2) + { + /* draw resolved gravity "roof" in blue */ + cairo_save (cr); + cairo_translate (cr, + (double)logical.x / PANGO_SCALE, + (double)logical.y / PANGO_SCALE); + cairo_scale (cr, + (double)logical.width / PANGO_SCALE * 0.5, + (double)logical.height / PANGO_SCALE * 0.5); + cairo_translate (cr, 1.0, 1.0); + cairo_rotate (cr, + pango_gravity_to_rotation ( + pango_context_get_gravity ( + pango_layout_get_context (layout)))); + cairo_move_to (cr, -1.0, -1.0); + cairo_rel_line_to (cr, +1.0, -0.2); /* / */ + cairo_rel_line_to (cr, +1.0, +0.2); /* \ */ + cairo_close_path (cr); /* - */ + pattern = cairo_pattern_create_linear (0, -1.0, 0, -1.2); + cairo_pattern_add_color_stop_rgba (pattern, 0.0, 0.0, 0.0, 1.0, 0.0); + cairo_pattern_add_color_stop_rgba (pattern, 1.0, 0.0, 0.0, 1.0, 0.15); + cairo_set_source (cr, pattern); + cairo_fill (cr); + /* once more, without close_path this time */ + cairo_move_to (cr, -1.0, -1.0); + cairo_rel_line_to (cr, +1.0, -0.2); /* / */ + cairo_rel_line_to (cr, +1.0, +0.2); /* \ */ + /* silly line_width is not locked :(. get rid of scale. */ + cairo_restore (cr); + cairo_save (cr); + cairo_set_source_rgba (cr, 0.0, 0.0, 0.7, 0.2); + cairo_stroke (cr); + cairo_restore (cr); - /* draw block progression arrow in green */ - cairo_save (cr); - cairo_translate (cr, - (double)logical.x / PANGO_SCALE, - (double)logical.y / PANGO_SCALE); - cairo_scale (cr, - (double)logical.width / PANGO_SCALE * 0.5, - (double)logical.height / PANGO_SCALE * 0.5); - cairo_translate (cr, 1.0, 1.0); - cairo_move_to (cr, -0.4, -0.7); - cairo_rel_line_to (cr, +0.8, 0.0); /* -- */ - cairo_rel_line_to (cr, 0.0, +0.9); /* | */ - cairo_rel_line_to (cr, +0.4, 0.0); /* - */ - cairo_rel_line_to (cr, -0.8, +0.5); /* / */ - cairo_rel_line_to (cr, -0.8, -0.5); /* \ */ - cairo_rel_line_to (cr, +0.4, 0.0); /* - */ - cairo_close_path (cr); /* | */ - pattern = cairo_pattern_create_linear (0, -0.7, 0, 0.7); - cairo_pattern_add_color_stop_rgba (pattern, 0.0, 0.0, 1.0, 0.0, 0.0); - cairo_pattern_add_color_stop_rgba (pattern, 1.0, 0.0, 1.0, 0.0, 0.15); - cairo_set_source (cr, pattern); - cairo_fill_preserve (cr); - /* silly line_width is not locked :(. get rid of scale. */ - cairo_restore (cr); - cairo_save (cr); - cairo_set_source_rgba (cr, 0.0, 0.7, 0.0, 0.2); - cairo_stroke (cr); - cairo_restore (cr); + /* draw block progression arrow in green */ + cairo_save (cr); + cairo_translate (cr, + (double)logical.x / PANGO_SCALE, + (double)logical.y / PANGO_SCALE); + cairo_scale (cr, + (double)logical.width / PANGO_SCALE * 0.5, + (double)logical.height / PANGO_SCALE * 0.5); + cairo_translate (cr, 1.0, 1.0); + cairo_move_to (cr, -0.4, -0.7); + cairo_rel_line_to (cr, +0.8, 0.0); /* -- */ + cairo_rel_line_to (cr, 0.0, +0.9); /* | */ + cairo_rel_line_to (cr, +0.4, 0.0); /* - */ + cairo_rel_line_to (cr, -0.8, +0.5); /* / */ + cairo_rel_line_to (cr, -0.8, -0.5); /* \ */ + cairo_rel_line_to (cr, +0.4, 0.0); /* - */ + cairo_close_path (cr); /* | */ + pattern = cairo_pattern_create_linear (0, -0.7, 0, 0.7); + cairo_pattern_add_color_stop_rgba (pattern, 0.0, 0.0, 1.0, 0.0, 0.0); + cairo_pattern_add_color_stop_rgba (pattern, 1.0, 0.0, 1.0, 0.0, 0.15); + cairo_set_source (cr, pattern); + cairo_fill_preserve (cr); + /* silly line_width is not locked :(. get rid of scale. */ + cairo_restore (cr); + cairo_save (cr); + cairo_set_source_rgba (cr, 0.0, 0.7, 0.0, 0.2); + cairo_stroke (cr); + cairo_restore (cr); + } /* draw baselines with line direction arrow in orange */ cairo_save (cr); |