static void
render_layout_line (GdkDrawable *drawable,
GtkTextRenderState *render_state,
PangoLayoutLine *line,
GSList **shaped_pointer,
int x,
int y,
gboolean selected,
GList **widgets)
{
GSList *tmp_list = line->runs;
PangoRectangle overall_rect;
PangoRectangle logical_rect;
PangoRectangle ink_rect;
gint x_off = 0;
GdkGC *fg_gc;
pango_layout_line_get_extents (line, NULL, &overall_rect);
while (tmp_list)
{
PangoLayoutRun *run = tmp_list->data;
GtkTextAppearance *appearance;
gint risen_y;
gint shaped_width_pixels = 0;
gboolean need_ink = FALSE;
tmp_list = tmp_list->next;
get_item_properties (run->item, &appearance);
g_assert (appearance != NULL);
risen_y = y - PANGO_PIXELS (appearance->rise);
if (selected)
{
if (GTK_WIDGET_HAS_FOCUS (render_state->widget))
fg_gc = render_state->widget->style->text_gc[GTK_STATE_SELECTED];
else
fg_gc = render_state->widget->style->text_gc [GTK_STATE_ACTIVE];
}
else
{
gtk_text_render_state_update (render_state, appearance);
fg_gc = render_state->fg_gc;
}
if (appearance->underline != PANGO_UNDERLINE_NONE ||
appearance->strikethrough)
need_ink = TRUE;
if (appearance->is_text)
{
if (need_ink)
pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
&ink_rect, &logical_rect);
else
pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
NULL, &logical_rect);
}
else
{
if (need_ink)
get_shape_extents (run, &ink_rect, &logical_rect);
else
get_shape_extents (run, NULL, &logical_rect);
}
if (appearance->draw_bg && !selected)
gdk_draw_rectangle (drawable, render_state->bg_gc, TRUE,
x + PANGO_PIXELS (x_off) + PANGO_PIXELS (logical_rect.x),
risen_y + PANGO_PIXELS (logical_rect.y),
PANGO_PIXELS (logical_rect.width),
PANGO_PIXELS (logical_rect.height));
if (appearance->is_text)
gdk_draw_glyphs (drawable, fg_gc,
run->item->analysis.font,
x + PANGO_PIXELS (x_off),
risen_y, run->glyphs);
else
{
GObject *shaped = (*shaped_pointer)->data;
*shaped_pointer = (*shaped_pointer)->next;
if (shaped == NULL)
{
/* This happens if we have an empty widget anchor. Draw
* something empty-looking.
*/
GdkRectangle shape_rect, draw_rect;
shape_rect.x = x + x_off / PANGO_SCALE;
shape_rect.y = risen_y - PANGO_PIXELS (logical_rect.height);
shape_rect.width = PANGO_PIXELS (logical_rect.width);
shape_rect.height = PANGO_PIXELS (logical_rect.height);
if (gdk_rectangle_intersect (&shape_rect, &render_state->clip_rect,
&draw_rect))
{
gdk_draw_rectangle (drawable, render_state->fg_gc,
FALSE, shape_rect.x, shape_rect.y,
shape_rect.width, shape_rect.height);
gdk_draw_line (drawable, render_state->fg_gc,
shape_rect.x, shape_rect.y,
shape_rect.x + shape_rect.width,
shape_rect.y + shape_rect.height);
gdk_draw_line (drawable, render_state->fg_gc,
shape_rect.x + shape_rect.width, shape_rect.y,
shape_rect.x,
shape_rect.y + shape_rect.height);
}
shaped_width_pixels = shape_rect.width;
}
else if (GDK_IS_PIXBUF (shaped))
{
gint width, height;
GdkRectangle pixbuf_rect, draw_rect;
GdkPixbuf *pixbuf;
pixbuf = GDK_PIXBUF (shaped);
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
pixbuf_rect.x = x + x_off / PANGO_SCALE;
pixbuf_rect.y = risen_y - height;
pixbuf_rect.width = width;
pixbuf_rect.height = height;
if (gdk_rectangle_intersect (&pixbuf_rect, &render_state->clip_rect,
&draw_rect))
{
gdk_draw_pixbuf (drawable,
render_state->fg_gc,
pixbuf,
draw_rect.x - pixbuf_rect.x,
draw_rect.y - pixbuf_rect.y,
draw_rect.x, draw_rect.y,
draw_rect.width,
draw_rect.height,
GDK_RGB_DITHER_NORMAL,
0, 0);
}
shaped_width_pixels = width;
}
else if (GTK_IS_WIDGET (shaped))
{
GtkWidget *widget;
widget = GTK_WIDGET (shaped);
shaped_width_pixels = widget->allocation.width;
if (widgets)
{
g_object_ref (widget);
*widgets = g_list_prepend (*widgets, widget);
}
}
else
g_assert_not_reached (); /* not a pixbuf or widget */
}
switch (appearance->underline)
{
case PANGO_UNDERLINE_NONE:
break;
case PANGO_UNDERLINE_DOUBLE:
g_assert (need_ink);
gdk_draw_line (drawable, fg_gc,
x + (x_off + ink_rect.x) / PANGO_SCALE - 1,
risen_y + 3,
x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE,
risen_y + 3);
/* Fall through */
case PANGO_UNDERLINE_SINGLE:
g_assert (need_ink);
gdk_draw_line (drawable, fg_gc,
x + (x_off + ink_rect.x) / PANGO_SCALE - 1,
risen_y + 1,
x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE,
risen_y + 1);
break;
case PANGO_UNDERLINE_LOW:
g_assert (need_ink);
gdk_draw_line (drawable, fg_gc,
x + (x_off + ink_rect.x) / PANGO_SCALE - 1,
risen_y + (ink_rect.y + ink_rect.height) / PANGO_SCALE + 1,
x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE,
risen_y + (ink_rect.y + ink_rect.height) / PANGO_SCALE + 1);
break;
}
if (appearance->strikethrough)
{
gint strikethrough_y = risen_y + (0.3 * logical_rect.y) / PANGO_SCALE;
g_assert (need_ink);
gdk_draw_line (drawable, fg_gc,
x + (x_off + ink_rect.x) / PANGO_SCALE - 1, strikethrough_y,
x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE, strikethrough_y);
}
if (appearance->is_text)
x_off += logical_rect.width;
else
x_off += shaped_width_pixels * PANGO_SCALE;
}
}
static void
print_pango_layout_line (GnomePrintContext *gpc, PangoLayoutLine *line)
{
GSList *tmp_list = line->runs;
PangoRectangle overall_rect;
PangoRectangle logical_rect;
PangoRectangle ink_rect;
gint x_off = 0;
gnome_print_gsave (gpc);
current_point_to_origin (gpc);
pango_layout_line_get_extents (line, NULL, &overall_rect);
while (tmp_list) {
ItemProperties properties;
PangoLayoutRun *run = tmp_list->data;
tmp_list = tmp_list->next;
get_item_properties (run->item, &properties);
if (properties.shape_logical_rect) {
x_off += properties.shape_logical_rect->width;
continue;
}
gnome_print_gsave (gpc);
translate (gpc, x_off, properties.rise);
gnome_print_moveto (gpc, 0, 0);
if (properties.uline == PANGO_UNDERLINE_NONE && !properties.strikethrough)
pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
NULL, &logical_rect);
else
pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
&ink_rect, &logical_rect);
if (properties.bg_color) {
gnome_print_gsave (gpc);
gnome_print_setrgbcolor (gpc,
(gdouble) properties.bg_color->red / 0xFFFF,
(gdouble) properties.bg_color->green / 0xFFFF,
(gdouble) properties.bg_color->blue / 0xFFFF);
rect_filled (gpc,
logical_rect.x, - overall_rect.y - overall_rect.height,
logical_rect.width, overall_rect.height);
gnome_print_grestore (gpc);
}
if (properties.fg_color) {
gnome_print_setrgbcolor (gpc,
(gdouble) properties.fg_color->red / 0xFFFF,
(gdouble) properties.fg_color->green / 0xFFFF,
(gdouble) properties.fg_color->blue / 0xFFFF);
}
gnome_print_pango_glyph_string (gpc, run->item->analysis.font, run->glyphs);
if (properties.uline != PANGO_UNDERLINE_NONE || properties.strikethrough) {
PangoFontMetrics *metrics = pango_font_get_metrics (run->item->analysis.font,
run->item->analysis.language);
if (properties.uline != PANGO_UNDERLINE_NONE)
draw_underline (gpc, metrics,
properties.uline,
ink_rect.x,
ink_rect.width,
ink_rect.y + ink_rect.height);
if (properties.strikethrough)
draw_strikethrough (gpc, metrics,
ink_rect.x,
ink_rect.width);
pango_font_metrics_unref (metrics);
}
gnome_print_grestore (gpc);
x_off += logical_rect.width;
}
gnome_print_grestore (gpc);
}
