[pango/redo-attrs: 21/25] Add a line api to PangoRenderer
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [pango/redo-attrs: 21/25] Add a line api to PangoRenderer
- Date: Sun, 13 Feb 2022 20:31:45 +0000 (UTC)
commit 2864eb56aab14140c7129bca42165d3109686d6d
Author: Matthias Clasen <mclasen redhat com>
Date: Mon Feb 7 07:43:08 2022 -0500
Add a line api to PangoRenderer
This replaces and generalizes error underlines and
lets us draw squiggly strikethroughs and overlines.
pango/pango-renderer.c | 274 +++++++++++++++++++++-------------------------
pango/pango-renderer.h | 21 ++--
pango/pangocairo-render.c | 170 +++++++++++++++-------------
pango/pangocairo.h | 26 +++--
4 files changed, 245 insertions(+), 246 deletions(-)
---
diff --git a/pango/pango-renderer.c b/pango/pango-renderer.c
index 6f6f2c73..1a50eaa0 100644
--- a/pango/pango-renderer.c
+++ b/pango/pango-renderer.c
@@ -82,7 +82,9 @@ static void pango_renderer_default_draw_rectangle (PangoRenderer *rende
int y,
int width,
int height);
-static void pango_renderer_default_draw_error_underline (PangoRenderer *renderer,
+static void pango_renderer_default_draw_line (PangoRenderer *renderer,
+ PangoRenderPart part,
+ PangoLineStyle style,
int x,
int y,
int width,
@@ -122,7 +124,7 @@ pango_renderer_class_init (PangoRendererClass *klass)
klass->draw_glyphs = pango_renderer_default_draw_glyphs;
klass->draw_glyph_item = pango_renderer_default_draw_glyph_item;
klass->draw_rectangle = pango_renderer_default_draw_rectangle;
- klass->draw_error_underline = pango_renderer_default_draw_error_underline;
+ klass->draw_line = pango_renderer_default_draw_line;
klass->prepare_run = pango_renderer_default_prepare_run;
gobject_class->finalize = pango_renderer_finalize;
@@ -220,38 +222,17 @@ draw_underline (PangoRenderer *renderer,
state->underline = PANGO_LINE_STYLE_NONE;
state->underline_position = PANGO_UNDERLINE_POSITION_NORMAL;
- switch (underline)
- {
- case PANGO_LINE_STYLE_NONE:
- break;
- case PANGO_LINE_STYLE_DOUBLE:
- pango_renderer_draw_rectangle (renderer,
- PANGO_RENDER_PART_UNDERLINE,
- rect->x,
- rect->y + 2 * rect->height,
- rect->width,
- rect->height);
- G_GNUC_FALLTHROUGH;
- case PANGO_LINE_STYLE_SINGLE:
- case PANGO_LINE_STYLE_DOTTED:
- case PANGO_LINE_STYLE_DASHED:
- pango_renderer_draw_rectangle (renderer,
- PANGO_RENDER_PART_UNDERLINE,
- rect->x,
- rect->y,
- rect->width,
- rect->height);
- break;
- case PANGO_LINE_STYLE_WAVY:
- pango_renderer_draw_error_underline (renderer,
- rect->x,
- rect->y,
- rect->width,
- 3 * rect->height);
- break;
- default:
- break;
- }
+ if (underline == PANGO_LINE_STYLE_DOUBLE ||
+ underline == PANGO_LINE_STYLE_WAVY)
+ rect->height *= 3;
+
+ pango_renderer_draw_line (renderer,
+ PANGO_RENDER_PART_UNDERLINE,
+ underline,
+ rect->x,
+ rect->y,
+ rect->width,
+ rect->height);
}
static void
@@ -263,32 +244,20 @@ draw_overline (PangoRenderer *renderer,
state->overline = PANGO_LINE_STYLE_NONE;
- switch (overline)
+ if (overline == PANGO_LINE_STYLE_DOUBLE ||
+ overline == PANGO_LINE_STYLE_WAVY)
{
- case PANGO_LINE_STYLE_NONE:
- break;
- case PANGO_LINE_STYLE_DOUBLE:
- pango_renderer_draw_rectangle (renderer,
- PANGO_RENDER_PART_OVERLINE,
- rect->x,
- rect->y - 2 * rect->height,
- rect->width,
- rect->height);
- G_GNUC_FALLTHROUGH;
- case PANGO_LINE_STYLE_SINGLE:
- case PANGO_LINE_STYLE_DOTTED:
- case PANGO_LINE_STYLE_DASHED:
- case PANGO_LINE_STYLE_WAVY:
- pango_renderer_draw_rectangle (renderer,
- PANGO_RENDER_PART_OVERLINE,
- rect->x,
- rect->y,
- rect->width,
- rect->height);
- break;
- default:
- break;
+ rect->y -= 2 * rect->height;
+ rect->height *= 3;
}
+
+ pango_renderer_draw_line (renderer,
+ PANGO_RENDER_PART_OVERLINE,
+ overline,
+ rect->x,
+ rect->y,
+ rect->width,
+ rect->height);
}
static void
@@ -302,33 +271,20 @@ draw_strikethrough (PangoRenderer *renderer,
rect->y /= state->strikethrough_glyphs;
rect->height /= state->strikethrough_glyphs;
- switch (state->strikethrough)
+ if (state->strikethrough == PANGO_LINE_STYLE_DOUBLE ||
+ state->strikethrough == PANGO_LINE_STYLE_WAVY)
{
- case PANGO_LINE_STYLE_NONE:
- break;
- case PANGO_LINE_STYLE_DOUBLE:
- pango_renderer_draw_rectangle (renderer,
- PANGO_RENDER_PART_STRIKETHROUGH,
- rect->x,
- rect->y - rect->height,
- rect->width,
- rect->height);
- rect->y += rect->height;
- G_GNUC_FALLTHROUGH;
- case PANGO_LINE_STYLE_SINGLE:
- case PANGO_LINE_STYLE_DOTTED:
- case PANGO_LINE_STYLE_DASHED:
- case PANGO_LINE_STYLE_WAVY:
- pango_renderer_draw_rectangle (renderer,
- PANGO_RENDER_PART_STRIKETHROUGH,
- rect->x,
- rect->y,
- rect->width,
- rect->height);
- break;
- default:
- break;
+ rect->y -= rect->height;
+ rect->height *= 3;
}
+
+ pango_renderer_draw_line (renderer,
+ PANGO_RENDER_PART_STRIKETHROUGH,
+ state->strikethrough,
+ rect->x,
+ rect->y,
+ rect->width,
+ rect->height);
}
state->strikethrough = PANGO_LINE_STYLE_NONE;
@@ -403,33 +359,18 @@ add_underline (PangoRenderer *renderer,
new_rect.height = underline_thickness;
new_rect.y = base_y;
- switch (renderer->underline)
+ if (renderer->underline_position == PANGO_UNDERLINE_POSITION_UNDER)
+ new_rect.y += ink_rect->y + ink_rect->height + underline_thickness;
+ else
+ new_rect.y -= underline_position;
+
+ if (renderer->underline == state->underline &&
+ renderer->underline_position == state->underline_position)
{
- case PANGO_LINE_STYLE_NONE:
- g_assert_not_reached ();
- break;
- case PANGO_LINE_STYLE_SINGLE:
- case PANGO_LINE_STYLE_DASHED:
- case PANGO_LINE_STYLE_DOTTED:
- if (renderer->underline_position == PANGO_UNDERLINE_POSITION_UNDER)
- {
- new_rect.y += ink_rect->y + ink_rect->height + underline_thickness;
- break;
- }
- G_GNUC_FALLTHROUGH;
- case PANGO_LINE_STYLE_DOUBLE:
- case PANGO_LINE_STYLE_WAVY:
- new_rect.y -= underline_position;
- if (state->underline == renderer->underline)
- {
- new_rect.y = MAX (current_rect->y, new_rect.y);
- new_rect.height = MAX (current_rect->height, new_rect.height);
- current_rect->y = new_rect.y;
- current_rect->height = new_rect.height;
- }
- break;
- default:
- break;
+ new_rect.y = MAX (current_rect->y, new_rect.y);
+ new_rect.height = MAX (current_rect->height, new_rect.height);
+ current_rect->y = new_rect.y;
+ current_rect->height = new_rect.height;
}
if (renderer->underline == state->underline &&
@@ -984,39 +925,6 @@ pango_renderer_default_draw_rectangle (PangoRenderer *renderer,
draw_rectangle (renderer, renderer->matrix, part, x, y, width, height);
}
-/**
- * pango_renderer_draw_error_underline:
- * @renderer: a `PangoRenderer`
- * @x: X coordinate of underline, in Pango units in user coordinate system
- * @y: Y coordinate of underline, in Pango units in user coordinate system
- * @width: width of underline, in Pango units in user coordinate system
- * @height: height of underline, in Pango units in user coordinate system
- *
- * Draw a squiggly line that approximately covers the given rectangle
- * in the style of an underline used to indicate a spelling error.
- *
- * The width of the underline is rounded to an integer number
- * of up/down segments and the resulting rectangle is centered
- * in the original rectangle.
- *
- * This should be called while @renderer is already active.
- * Use [method@Pango.Renderer.activate] to activate a renderer.
- *
- * Since: 1.8
- */
-void
-pango_renderer_draw_error_underline (PangoRenderer *renderer,
- int x,
- int y,
- int width,
- int height)
-{
- g_return_if_fail (PANGO_IS_RENDERER_FAST (renderer));
- g_return_if_fail (renderer->active_count > 0);
-
- PANGO_RENDERER_GET_CLASS (renderer)->draw_error_underline (renderer, x, y, width, height);
-}
-
/* We are drawing an error underline that looks like one of:
*
* /\ /\ /\ /\ /\ -
@@ -1084,11 +992,12 @@ get_total_matrix (PangoMatrix *total,
}
static void
-pango_renderer_default_draw_error_underline (PangoRenderer *renderer,
- int x,
- int y,
- int width,
- int height)
+draw_wavy_line (PangoRenderer *renderer,
+ PangoRenderPart part,
+ int x,
+ int y,
+ int width,
+ int height)
{
int square;
int unit_width;
@@ -1121,7 +1030,7 @@ pango_renderer_default_draw_error_underline (PangoRenderer *renderer,
i = (width_units - 1) / 2;
while (TRUE)
{
- draw_rectangle (renderer, &total, PANGO_RENDER_PART_UNDERLINE, /* A */
+ draw_rectangle (renderer, &total, part, /* A */
0, 0,
HEIGHT_SQUARES * 2 - 1, 1);
@@ -1129,7 +1038,7 @@ pango_renderer_default_draw_error_underline (PangoRenderer *renderer,
break;
i--;
- draw_rectangle (renderer, &total, PANGO_RENDER_PART_UNDERLINE, /* B */
+ draw_rectangle (renderer, &total, part, /* B */
HEIGHT_SQUARES * 2 - 2, - (HEIGHT_SQUARES * 2 - 3),
1, HEIGHT_SQUARES * 2 - 3);
@@ -1138,12 +1047,77 @@ pango_renderer_default_draw_error_underline (PangoRenderer *renderer,
}
if (width_units % 2 == 0)
{
- draw_rectangle (renderer, &total, PANGO_RENDER_PART_UNDERLINE, /* C */
+ draw_rectangle (renderer, &total, part, /* C */
HEIGHT_SQUARES * 2 - 2, - (HEIGHT_SQUARES * 2 - 2),
1, HEIGHT_SQUARES * 2 - 2);
}
}
+/**
+ * pango_renderer_draw_line:
+ * @renderer: a `PangoRenderer`
+ * @part: type of object this rectangle is part of
+ * @style: the line style
+ * @x: X position at which to draw rectangle, in user space coordinates
+ * in Pango units
+ * @y: Y position at which to draw rectangle, in user space coordinates
+ * in Pango units
+ * @width: width of rectangle in Pango units
+ * @height: height of rectangle in Pango units
+ *
+ * Draw a line that approximately covers the given rectangle
+ * in the given style.
+
+ * Since: 1.52
+ */
+void
+pango_renderer_draw_line (PangoRenderer *renderer,
+ PangoRenderPart part,
+ PangoLineStyle style,
+ int x,
+ int y,
+ int width,
+ int height)
+{
+ g_return_if_fail (PANGO_IS_RENDERER_FAST (renderer));
+ g_return_if_fail (renderer->active_count > 0);
+
+ PANGO_RENDERER_GET_CLASS (renderer)->draw_line (renderer, part, style, x, y, width, height);
+}
+
+static void
+pango_renderer_default_draw_line (PangoRenderer *renderer,
+ PangoRenderPart part,
+ PangoLineStyle style,
+ int x,
+ int y,
+ int width,
+ int height)
+{
+ switch (style)
+ {
+ /* FIXME implement these: */
+ case PANGO_LINE_STYLE_DASHED:
+ case PANGO_LINE_STYLE_DOTTED:
+ case PANGO_LINE_STYLE_SINGLE:
+ pango_renderer_draw_rectangle (renderer, part, x, y, width, height);
+ break;
+
+ case PANGO_LINE_STYLE_DOUBLE:
+ pango_renderer_draw_rectangle (renderer, part, x, y, width, height / 3);
+ pango_renderer_draw_rectangle (renderer, part, x, y + height * 2 / 3, width, height / 3);
+ break;
+
+ case PANGO_LINE_STYLE_WAVY:
+ draw_wavy_line (renderer, part, x, y, width, height);
+ break;
+
+ case PANGO_LINE_STYLE_NONE:
+ default:
+ break;
+ }
+}
+
/**
* pango_renderer_draw_trapezoid:
* @renderer: a `PangoRenderer`
diff --git a/pango/pango-renderer.h b/pango/pango-renderer.h
index 2151a243..ae0b23ed 100644
--- a/pango/pango-renderer.h
+++ b/pango/pango-renderer.h
@@ -97,7 +97,6 @@ struct _PangoRenderer
* PangoRendererClass:
* @draw_glyphs: draws a `PangoGlyphString`
* @draw_rectangle: draws a rectangle
- * @draw_error_underline: draws a squiggly line that approximately
* covers the given rectangle in the style of an underline used to
* indicate a spelling error.
* @draw_trapezoid: draws a trapezoidal filled area
@@ -115,7 +114,7 @@ struct _PangoRenderer
* and have default implementations:
* - draw_glyphs
* - draw_rectangle
- * - draw_error_underline
+ * - draw_line
* - draw_glyph_item
*
* The following vfuncs take device space coordinates as doubles
@@ -144,7 +143,9 @@ struct _PangoRendererClass
int y,
int width,
int height);
- void (*draw_error_underline) (PangoRenderer *renderer,
+ void (*draw_line) (PangoRenderer *renderer,
+ PangoRenderPart part,
+ PangoLineStyle style,
int x,
int y,
int width,
@@ -219,12 +220,6 @@ void pango_renderer_draw_rectangle (PangoRenderer *renderer,
int width,
int height);
PANGO_AVAILABLE_IN_1_8
-void pango_renderer_draw_error_underline (PangoRenderer *renderer,
- int x,
- int y,
- int width,
- int height);
-PANGO_AVAILABLE_IN_1_8
void pango_renderer_draw_trapezoid (PangoRenderer *renderer,
PangoRenderPart part,
double y1_,
@@ -239,6 +234,14 @@ void pango_renderer_draw_glyph (PangoRenderer *renderer,
PangoGlyph glyph,
double x,
double y);
+PANGO_AVAILABLE_IN_1_52
+void pango_renderer_draw_line (PangoRenderer *renderer,
+ PangoRenderPart part,
+ PangoLineStyle style,
+ int x,
+ int y,
+ int width,
+ int height);
PANGO_AVAILABLE_IN_1_8
void pango_renderer_activate (PangoRenderer *renderer);
diff --git a/pango/pangocairo-render.c b/pango/pangocairo-render.c
index 688137dd..de38489a 100644
--- a/pango/pangocairo-render.c
+++ b/pango/pangocairo-render.c
@@ -613,7 +613,6 @@ pango_cairo_renderer_draw_rectangle (PangoRenderer *renderer,
if (!crenderer->do_path)
{
cairo_save (crenderer->cr);
-
set_color (crenderer, part);
}
@@ -625,7 +624,6 @@ pango_cairo_renderer_draw_rectangle (PangoRenderer *renderer,
if (!crenderer->do_path)
{
cairo_fill (crenderer->cr);
-
cairo_restore (crenderer->cr);
}
}
@@ -743,35 +741,88 @@ draw_error_underline (cairo_t *cr,
}
static void
-pango_cairo_renderer_draw_error_underline (PangoRenderer *renderer,
- int x,
- int y,
- int width,
- int height)
+pango_cairo_do_line (cairo_t *cr,
+ PangoLineStyle style,
+ double x,
+ double y,
+ double width,
+ double height,
+ gboolean do_path)
{
- PangoCairoRenderer *crenderer = (PangoCairoRenderer *) (renderer);
- cairo_t *cr = crenderer->cr;
+ if (!do_path)
+ cairo_new_path (cr);
- if (!crenderer->do_path)
+ switch (style)
{
+ case PANGO_LINE_STYLE_DOTTED:
+ case PANGO_LINE_STYLE_DASHED:
+ /* FIXME: make this work for paths */
cairo_save (cr);
+ cairo_set_line_width (cr, height);
+ if (style == PANGO_LINE_STYLE_DOTTED)
+ {
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
+ cairo_set_dash (cr, (const double []){ 0., 1.5 * height}, 2, 0.);
+ }
+ else
+ {
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
+ cairo_set_dash (cr, (const double []){ 3. * height, 2 * height}, 2, 0.);
+ }
+ cairo_move_to (cr, x, y + height / 2);
+ cairo_rel_line_to (cr, width, 0.);
+ cairo_stroke (cr);
+ cairo_restore (cr);
+ break;
+
+ case PANGO_LINE_STYLE_SINGLE:
+ cairo_rectangle (cr, x, y, width, height);
+ break;
+
+ case PANGO_LINE_STYLE_DOUBLE:
+ cairo_rectangle (cr, x, y, width, height / 3);
+ cairo_rectangle (cr, x, y + height * 2 / 3, width, height / 3);
+ break;
- set_color (crenderer, PANGO_RENDER_PART_UNDERLINE);
+ case PANGO_LINE_STYLE_WAVY:
+ draw_error_underline (cr, x, y, width, height);
+ break;
- cairo_new_path (cr);
+ case PANGO_LINE_STYLE_NONE:
+ default:
+ break;
}
- draw_error_underline (cr,
- crenderer->x_offset + (double)x / PANGO_SCALE,
- crenderer->y_offset + (double)y / PANGO_SCALE,
- (double)width / PANGO_SCALE, (double)height / PANGO_SCALE);
+ if (!do_path)
+ cairo_fill (cr);
+}
+
+static void
+pango_cairo_renderer_draw_line (PangoRenderer *renderer,
+ PangoRenderPart part,
+ PangoLineStyle style,
+ int x,
+ int y,
+ int width,
+ int height)
+{
+ PangoCairoRenderer *crenderer = (PangoCairoRenderer *) (renderer);
+ cairo_t *cr = crenderer->cr;
if (!crenderer->do_path)
{
- cairo_fill (cr);
-
- cairo_restore (cr);
+ cairo_save (cr);
+ set_color (crenderer, part);
}
+
+ pango_cairo_do_line (cr, style,
+ crenderer->x_offset + (double)x / PANGO_SCALE,
+ crenderer->y_offset + (double)y / PANGO_SCALE,
+ (double)width / PANGO_SCALE, (double)height / PANGO_SCALE,
+ crenderer->do_path);
+
+ if (!crenderer->do_path)
+ cairo_restore (cr);
}
static void
@@ -788,7 +839,7 @@ pango_cairo_renderer_class_init (PangoCairoRendererClass *klass)
renderer_class->draw_glyph_item = pango_cairo_renderer_draw_glyph_item;
renderer_class->draw_rectangle = pango_cairo_renderer_draw_rectangle;
renderer_class->draw_trapezoid = pango_cairo_renderer_draw_trapezoid;
- renderer_class->draw_error_underline = pango_cairo_renderer_draw_error_underline;
+ renderer_class->draw_line = pango_cairo_renderer_draw_line;
}
static PangoCairoRenderer *cached_renderer = NULL; /* MT-safe */
@@ -976,30 +1027,6 @@ _pango_cairo_do_layout (cairo_t *cr,
release_renderer (crenderer);
}
-static void
-_pango_cairo_do_error_underline (cairo_t *cr,
- double x,
- double y,
- double width,
- double height,
- gboolean do_path)
-{
- /* We don't use a renderer here, for a simple reason:
- * the only renderer we can get is the default renderer, that
- * is all implemented here, so we shortcircuit and make our
- * life way easier.
- */
-
- if (!do_path)
- cairo_new_path (cr);
-
- draw_error_underline (cr, x, y, width, height);
-
- if (!do_path)
- cairo_fill (cr);
-}
-
-
/* public wrapper of above to show or append path */
@@ -1105,34 +1132,31 @@ pango_cairo_show_layout (cairo_t *cr,
}
/**
- * pango_cairo_show_error_underline:
+ * pango_cairo_show_line:
* @cr: a Cairo context
+ * @style: the line style
* @x: The X coordinate of one corner of the rectangle
* @y: The Y coordinate of one corner of the rectangle
* @width: Non-negative width of the rectangle
* @height: Non-negative height of the rectangle
*
- * Draw a squiggly line in the specified cairo context that approximately
- * covers the given rectangle in the style of an underline used to indicate a
- * spelling error.
- *
- * The width of the underline is rounded to an integer
- * number of up/down segments and the resulting rectangle is centered in the
- * original rectangle.
+ * Draw a line in the specified cairo context that approximately
+ * covers the given rectangle in the given style.
*
- * Since: 1.14
+ * Since: 1.52
*/
void
-pango_cairo_show_error_underline (cairo_t *cr,
- double x,
- double y,
- double width,
- double height)
+pango_cairo_show_line (cairo_t *cr,
+ PangoLineStyle style,
+ double x,
+ double y,
+ double width,
+ double height)
{
g_return_if_fail (cr != NULL);
g_return_if_fail ((width >= 0) && (height >= 0));
- _pango_cairo_do_error_underline (cr, x, y, width, height, FALSE);
+ pango_cairo_do_line (cr, style, x, y, width, height, FALSE);
}
/**
@@ -1171,7 +1195,7 @@ pango_cairo_glyph_string_path (cairo_t *cr,
* The origin of the glyphs (the left edge of the line) will be
* at the current point of the cairo context.
*
- * Since: 1.10
+ * Since: 1.52
*/
void
pango_cairo_layout_line_path (cairo_t *cr,
@@ -1207,31 +1231,27 @@ pango_cairo_layout_path (cairo_t *cr,
}
/**
- * pango_cairo_error_underline_path:
+ * pango_cairo_line_path:
* @cr: a Cairo context
+ * @style: the line style
* @x: The X coordinate of one corner of the rectangle
* @y: The Y coordinate of one corner of the rectangle
* @width: Non-negative width of the rectangle
* @height: Non-negative height of the rectangle
*
- * Add a squiggly line to the current path in the specified cairo context that
- * approximately covers the given rectangle in the style of an underline used
- * to indicate a spelling error.
- *
- * The width of the underline is rounded to an integer number of up/down
- * segments and the resulting rectangle is centered in the original rectangle.
- *
- * Since: 1.14
+ * Add a line to the current path in the specified cairo context that
+ * approximately covers the given rectangle in the given style.
*/
void
-pango_cairo_error_underline_path (cairo_t *cr,
- double x,
- double y,
- double width,
- double height)
+pango_cairo_line_path (cairo_t *cr,
+ PangoLineStyle style,
+ double x,
+ double y,
+ double width,
+ double height)
{
g_return_if_fail (cr != NULL);
g_return_if_fail ((width >= 0) && (height >= 0));
- _pango_cairo_do_error_underline (cr, x, y, width, height, TRUE);
+ pango_cairo_do_line (cr, style, x, y, width, height, TRUE);
}
diff --git a/pango/pangocairo.h b/pango/pangocairo.h
index f96ae1f4..ac43d680 100644
--- a/pango/pangocairo.h
+++ b/pango/pangocairo.h
@@ -159,12 +159,13 @@ PANGO_AVAILABLE_IN_1_10
void pango_cairo_show_layout (cairo_t *cr,
PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_14
-void pango_cairo_show_error_underline (cairo_t *cr,
- double x,
- double y,
- double width,
- double height);
+PANGO_AVAILABLE_IN_1_52
+void pango_cairo_show_line (cairo_t *cr,
+ PangoLineStyle style,
+ double x,
+ double y,
+ double width,
+ double height);
/*
* Rendering to a path
@@ -180,12 +181,13 @@ PANGO_AVAILABLE_IN_1_10
void pango_cairo_layout_path (cairo_t *cr,
PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_14
-void pango_cairo_error_underline_path (cairo_t *cr,
- double x,
- double y,
- double width,
- double height);
+PANGO_AVAILABLE_IN_1_52
+void pango_cairo_line_path (cairo_t *cr,
+ PangoLineStyle style,
+ double x,
+ double y,
+ double width,
+ double height);
G_END_DECLS
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