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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"><title>Layout Objects</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1"><link rel="start" href="index.html" title="Pango Reference Manual"><link rel="up" href="pango.html" title="Basic Pango Interfaces"><link rel="prev" href="PangoMarkupFormat.html" title="Text Attribute Markup"><link rel="next" href="pango-Scripts.html" title="Scripts"><meta name="generator" content="GTK-Doc V1.6 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="chapter" href="pango.html" title="Basic Pango Interfaces"><link rel="chapter" href="rendering.html" title="Rendering with Pango"><link rel="chapter" href="lowlevel.html" title="Low Level Functionality"><link rel="chapter" href="tools.html" title="Pango Tools"><link rel="index" href="ix01.html" title="Index"><link rel="index" href="ix02.html" title="Index of deprecated 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height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">Pango Reference Manual</th><td><a accesskey="n" href="pango-Scripts.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr><tr><td colspan="5" class="shortcuts"><nobr><a href="#top_of_page" class="shortcut">Top</a>  |  <a href="#desc" class="shortcut">Description</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="pango-Layout-Objects"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><span class="refentrytitle"><a name="top_of_page"></a>Layout Objects</span></h2><p>Layout Objects — High-level layout driver objects</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><a name="synopsis"></a><h2>Synopsis</h2><pre class="synopsis"> <a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a>; <a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a>;<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a>* <a href="pango-Layout-Objects.html#pango-layout-new">pango_layout_new</a> (<a href="pango-Text-Processing.html#PangoContext">PangoContext</a> *context);<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a>* <a href="pango-Layout-Objects.html#pango-layout-copy">pango_layout_copy</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *src);<a href="pango-Text-Processing.html#PangoContext">PangoContext</a>* <a href="pango-Layout-Objects.html#pango-layout-get-context">pango_layout_get_context</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-context-changed">pango_layout_context_changed</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-text">pango_layout_set_text</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, const char *text, int length);const char* <a href="pango-Layout-Objects.html#pango-layout-get-text">pango_layout_get_text</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-markup">pango_layout_set_markup</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, const char *markup, int length);void <a href="pango-Layout-Objects.html#pango-layout-set-markup-with-accel">pango_layout_set_markup_with_accel</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, const char *markup, int length, <ahref="../glib/glib-Unicode-Manipulation.html#gunichar">gunichar</a> accel_marker, <ahref="../glib/glib-Unicode-Manipulation.html#gunichar">gunichar</a> *accel_char);void <a href="pango-Layout-Objects.html#pango-layout-set-attributes">pango_layout_set_attributes</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <a href="pango-Text-Attributes.html#PangoAttrList">PangoAttrList</a> *attrs);<a href="pango-Text-Attributes.html#PangoAttrList">PangoAttrList</a>* <a href="pango-Layout-Objects.html#pango-layout-get-attributes">pango_layout_get_attributes</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-font-description">pango_layout_set_font_description</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, const <a href="pango-Fonts.html#PangoFontDescription">PangoFontDescription</a> *desc);const <a href="pango-Fonts.html#PangoFontDescription">PangoFontDescription</a>* <a href="pango-Layout-Objects.html#pango-layout-get-font-description">pango_layout_get_font_description</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-width">pango_layout_set_width</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int width);int <a href="pango-Layout-Objects.html#pango-layout-get-width">pango_layout_get_width</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-wrap">pango_layout_set_wrap</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <a href="pango-Layout-Objects.html#PangoWrapMode">PangoWrapMode</a> wrap);<a href="pango-Layout-Objects.html#PangoWrapMode">PangoWrapMode</a> <a href="pango-Layout-Objects.html#pango-layout-get-wrap">pango_layout_get_wrap</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-is-wrapped">pango_layout_is_wrapped</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);enum <a href="pango-Layout-Objects.html#PangoWrapMode">PangoWrapMode</a>;#define <a href="pango-Layout-Objects.html#PANGO-TYPE-WRAP-MODE:CAPS">PANGO_TYPE_WRAP_MODE</a>void <a href="pango-Layout-Objects.html#pango-layout-set-ellipsize">pango_layout_set_ellipsize</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <a href="pango-Layout-Objects.html#PangoEllipsizeMode">PangoEllipsizeMode</a> ellipsize);<a href="pango-Layout-Objects.html#PangoEllipsizeMode">PangoEllipsizeMode</a> <a href="pango-Layout-Objects.html#pango-layout-get-ellipsize">pango_layout_get_ellipsize</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-is-ellipsized">pango_layout_is_ellipsized</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);enum <a href="pango-Layout-Objects.html#PangoEllipsizeMode">PangoEllipsizeMode</a>;#define <a href="pango-Layout-Objects.html#PANGO-TYPE-ELLIPSIZE-MODE:CAPS">PANGO_TYPE_ELLIPSIZE_MODE</a>void <a href="pango-Layout-Objects.html#pango-layout-set-indent">pango_layout_set_indent</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int indent);int <a href="pango-Layout-Objects.html#pango-layout-get-indent">pango_layout_get_indent</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);int <a href="pango-Layout-Objects.html#pango-layout-get-spacing">pango_layout_get_spacing</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-spacing">pango_layout_set_spacing</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int spacing);void <a href="pango-Layout-Objects.html#pango-layout-set-justify">pango_layout_set_justify</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> justify);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-get-justify">pango_layout_get_justify</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-auto-dir">pango_layout_set_auto_dir</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> auto_dir);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-get-auto-dir">pango_layout_get_auto_dir</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-alignment">pango_layout_set_alignment</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <a href="pango-Layout-Objects.html#PangoAlignment">PangoAlignment</a> alignment);<a href="pango-Layout-Objects.html#PangoAlignment">PangoAlignment</a> <a href="pango-Layout-Objects.html#pango-layout-get-alignment">pango_layout_get_alignment</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-tabs">pango_layout_set_tabs</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <a href="pango-Tab-Stops.html#PangoTabArray">PangoTabArray</a> *tabs);<a href="pango-Tab-Stops.html#PangoTabArray">PangoTabArray</a>* <a href="pango-Layout-Objects.html#pango-layout-get-tabs">pango_layout_get_tabs</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-set-single-paragraph-mode">pango_layout_set_single_paragraph_mode</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> setting);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-get-single-paragraph-mode">pango_layout_get_single_paragraph_mode</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);enum <a href="pango-Layout-Objects.html#PangoAlignment">PangoAlignment</a>;#define <a href="pango-Layout-Objects.html#PANGO-TYPE-ALIGNMENT:CAPS">PANGO_TYPE_ALIGNMENT</a>int <a href="pango-Layout-Objects.html#pango-layout-get-unknown-glyphs-count">pango_layout_get_unknown_glyphs_count</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-get-log-attrs">pango_layout_get_log_attrs</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <a href="pango-Text-Processing.html#PangoLogAttr">PangoLogAttr</a> **attrs, <ahref="../glib/glib-Basic-Types.html#gint">gint</a> *n_attrs);void <a href="pango-Layout-Objects.html#pango-layout-index-to-pos">pango_layout_index_to_pos</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int index_, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *pos);void <a href="pango-Layout-Objects.html#pango-layout-index-to-line-x">pango_layout_index_to_line_x</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int index_, <ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> trailing, int *line, int *x_pos);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-xy-to-index">pango_layout_xy_to_index</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int x, int y, int *index_, int *trailing);void <a href="pango-Layout-Objects.html#pango-layout-get-cursor-pos">pango_layout_get_cursor_pos</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int index_, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *strong_pos, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *weak_pos);void <a href="pango-Layout-Objects.html#pango-layout-move-cursor-visually">pango_layout_move_cursor_visually</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> strong, int old_index, int old_trailing, int direction, int *new_index, int *new_trailing);void <a href="pango-Layout-Objects.html#pango-layout-get-extents">pango_layout_get_extents</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *ink_rect, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *logical_rect);void <a href="pango-Layout-Objects.html#pango-layout-get-pixel-extents">pango_layout_get_pixel_extents</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *ink_rect, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *logical_rect);void <a href="pango-Layout-Objects.html#pango-layout-get-size">pango_layout_get_size</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int *width, int *height);void <a href="pango-Layout-Objects.html#pango-layout-get-pixel-size">pango_layout_get_pixel_size</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int *width, int *height);int <a href="pango-Layout-Objects.html#pango-layout-get-line-count">pango_layout_get_line_count</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);<a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a>* <a href="pango-Layout-Objects.html#pango-layout-get-line">pango_layout_get_line</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int line);<a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a>* <a href="pango-Layout-Objects.html#pango-layout-get-line-readonly">pango_layout_get_line_readonly</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout, int line);<ahref="../glib/glib-Singly-Linked-Lists.html#GSList">GSList</a>* <a href="pango-Layout-Objects.html#pango-layout-get-lines">pango_layout_get_lines</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);<ahref="../glib/glib-Singly-Linked-Lists.html#GSList">GSList</a>* <a href="pango-Layout-Objects.html#pango-layout-get-lines-readonly">pango_layout_get_lines_readonly</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a>* <a href="pango-Layout-Objects.html#pango-layout-get-iter">pango_layout_get_iter</a> (<a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout);void <a href="pango-Layout-Objects.html#pango-layout-iter-free">pango_layout_iter_free</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-iter-next-run">pango_layout_iter_next_run</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-iter-next-char">pango_layout_iter_next_char</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-iter-next-cluster">pango_layout_iter_next_cluster</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-iter-next-line">pango_layout_iter_next_line</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);<ahref="../glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="pango-Layout-Objects.html#pango-layout-iter-at-last-line">pango_layout_iter_at_last_line</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);int <a href="pango-Layout-Objects.html#pango-layout-iter-get-index">pango_layout_iter_get_index</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);int <a href="pango-Layout-Objects.html#pango-layout-iter-get-baseline">pango_layout_iter_get_baseline</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);<a href="pango-Layout-Objects.html#PangoLayoutRun">PangoLayoutRun</a>* <a href="pango-Layout-Objects.html#pango-layout-iter-get-run">pango_layout_iter_get_run</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);<a href="pango-Layout-Objects.html#PangoLayoutRun">PangoLayoutRun</a>* <a href="pango-Layout-Objects.html#pango-layout-iter-get-run-readonly">pango_layout_iter_get_run_readonly</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);<a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a>* <a href="pango-Layout-Objects.html#pango-layout-iter-get-line">pango_layout_iter_get_line</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);<a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a>* <a href="pango-Layout-Objects.html#pango-layout-iter-get-line-readonly">pango_layout_iter_get_line_readonly</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter);void <a href="pango-Layout-Objects.html#pango-layout-iter-get-char-extents">pango_layout_iter_get_char_extents</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *logical_rect);void <a href="pango-Layout-Objects.html#pango-layout-iter-get-cluster-extents">pango_layout_iter_get_cluster_extents</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *ink_rect, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *logical_rect);void <a href="pango-Layout-Objects.html#pango-layout-iter-get-run-extents">pango_layout_iter_get_run_extents</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *ink_rect, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *logical_rect);void <a href="pango-Layout-Objects.html#pango-layout-iter-get-line-yrange">pango_layout_iter_get_line_yrange</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter, int *y0_, int *y1_);void <a href="pango-Layout-Objects.html#pango-layout-iter-get-line-extents">pango_layout_iter_get_line_extents</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *ink_rect, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *logical_rect);void <a href="pango-Layout-Objects.html#pango-layout-iter-get-layout-extents">pango_layout_iter_get_layout_extents</a> (<a href="pango-Layout-Objects.html#PangoLayoutIter">PangoLayoutIter</a> *iter, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *ink_rect, <a href="pango-Glyph-Storage.html#PangoRectangle">PangoRectangle</a> *logical_rect); <a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a>;typedef <a href="pango-Layout-Objects.html#PangoLayoutRun">PangoLayoutRun</a>;<a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a>* <a href="pango-Layout-Objects.html#pango-layout-line-ref">pango_layout_line_ref</a> (<a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a> *line);void <a href="pango-Layout-Objects.html#pango-layout-line-unref">pango_layout_line_unref</a> (<a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a> *line);void <a href="pango-Layout-Objects.html#pango-layout-line-get-extents">pango_layout_line_get_extents</a> (<a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a> *line,⌨️ 快捷键说明
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