C++ (Cpp) pango_font_metrics_get_strikethrough_positionの例

コード例 #1

ファイル: pango-renderer.c プロジェクト: soubok/libset

static void
add_strikethrough (PangoRenderer    *renderer,
		   LineState        *state,
		   PangoFontMetrics *metrics,
		   int               base_x,
		   int               base_y,
		   PangoRectangle   *ink_rect,
		   PangoRectangle   *logical_rect)
{
  PangoRectangle *current_rect = &state->strikethrough_rect;
  PangoRectangle new_rect;

  int strikethrough_thickness = pango_font_metrics_get_strikethrough_thickness (metrics);
  int strikethrough_position = pango_font_metrics_get_strikethrough_position (metrics);

  new_rect.x = base_x + logical_rect->x;
  new_rect.width = logical_rect->width;
  new_rect.y = base_y - strikethrough_position;
  new_rect.height = strikethrough_thickness;

  if (state->strikethrough &&
      new_rect.y == current_rect->y &&
      new_rect.height == current_rect->height)
    {
      current_rect->width = new_rect.x + new_rect.width - current_rect->x;
    }
  else
    {
      draw_strikethrough (renderer, state);

      *current_rect = new_rect;
      state->strikethrough = TRUE;
    }
}

コード例 #2

ファイル: gnome-print-pango.c プロジェクト: GNOME/libgnomeprint

/* Helper function to draw a strikethrough for one layout run
 */
static void
draw_strikethrough (GnomePrintContext *gpc, PangoFontMetrics  *metrics, gint x, gint width)
{
	gint strikethrough_thickness = pango_font_metrics_get_strikethrough_thickness (metrics);
	gint strikethrough_position = pango_font_metrics_get_strikethrough_position (metrics);

	rect_filled (gpc,
		     x, strikethrough_position - strikethrough_thickness,
		     width, strikethrough_thickness);
}

コード例 #3

ファイル: csd-wacom-osd-window.c プロジェクト: 3dfxmadscientist/cinnamon-settings-daemon

static int
get_pango_vertical_offset (PangoLayout *layout)
{
	const PangoFontDescription *desc;
	PangoContext               *context;
	PangoLanguage              *language;
	PangoFontMetrics           *metrics;
	int                         baseline;
	int                         strikethrough;
	int                         thickness;

	context = pango_layout_get_context (layout);
	language = pango_language_get_default ();
	desc = pango_layout_get_font_description (layout);
	metrics = pango_context_get_metrics (context, desc, language);

	baseline = pango_layout_get_baseline (layout);
	strikethrough =  pango_font_metrics_get_strikethrough_position (metrics);
	thickness =  pango_font_metrics_get_underline_thickness (metrics);

	return PANGO_PIXELS (baseline - strikethrough - thickness / 2);
}

コード例 #4

ファイル: pango-renderer.c プロジェクト: alexp-sssup/pango

}

static void
add_strikethrough (PangoRenderer    *renderer,
		   LineState        *state,
		   PangoFontMetrics *metrics,
		   int               base_x,
		   int               base_y,
		   PangoRectangle   *ink_rect G_GNUC_UNUSED,
		   PangoRectangle   *logical_rect)
{
  PangoRectangle *current_rect = &state->strikethrough_rect;
  PangoRectangle new_rect;

  int strikethrough_thickness = pango_font_metrics_get_strikethrough_thickness (metrics);
  int strikethrough_position = pango_font_metrics_get_strikethrough_position (metrics);

  new_rect.x = base_x + logical_rect->x;
  new_rect.width = logical_rect->width;
  new_rect.y = base_y - strikethrough_position;
  new_rect.height = strikethrough_thickness;

  if (state->strikethrough &&
      new_rect.y == current_rect->y &&
      new_rect.height == current_rect->height)
    {
      current_rect->width = new_rect.x + new_rect.width - current_rect->x;
    }
  else
    {
      draw_strikethrough (renderer, state);