📄 gdk-drawing-primitives.html
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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>Drawing Primitives</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GDK Reference Manual"><link rel="up" href="reference.html" title="API Reference"><link rel="prev" href="gdk-Graphics-Contexts.html" title="Graphics Contexts"><link rel="next" href="gdk-Bitmaps-and-Pixmaps.html" title="Bitmaps and Pixmaps"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="reference" href="reference.html" title="API Reference"><link rel="index" href="ix01.html" title="Index"><link rel="index" href="ix02.html" title="Index of deprecated symbols"><link rel="index" href="ix03.html" title="Index of new symbols in 2.2"><link rel="index" href="ix04.html" title="Index of new symbols in 2.4"><link rel="index" href="ix05.html" 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alt="Next"></a></td></tr><tr><td colspan="5" class="shortcuts"><nobr><a href="#id3100550" class="shortcut">Top</a>  |  <a href="#id3102509" class="shortcut">Description</a>  |  <a href="#id3102471" class="shortcut">Object Hierarchy</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="gdk-Drawing-Primitives"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3100550"></a><span class="refentrytitle">Drawing Primitives</span></h2><p>Drawing Primitives — Functions for drawing points, lines, arcs, and text</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><a name="GdkDrawable"></a><pre class="synopsis">#include <gdk/gdk.h> <a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable-struct">GdkDrawable</a>;<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a>* <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-ref">gdk_drawable_ref</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-unref">gdk_drawable_unref</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-set-data">gdk_drawable_set_data</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *key, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer">gpointer</a> data, <ahref="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify">GDestroyNotify</a> destroy_func);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer">gpointer</a> <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-get-data">gdk_drawable_get_data</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *key);<a class="link" href="GdkDisplay.html" title="GdkDisplay">GdkDisplay</a>* <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-get-display">gdk_drawable_get_display</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);<a class="link" href="GdkScreen.html" title="GdkScreen">GdkScreen</a>* <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-get-screen">gdk_drawable_get_screen</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);<a class="link" href="gdk-Visuals.html#GdkVisual">GdkVisual</a>* <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-get-visual">gdk_drawable_get_visual</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-set-colormap">gdk_drawable_set_colormap</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Colormaps-and-Colors.html#GdkColormap">GdkColormap</a> *colormap);<a class="link" href="gdk-Colormaps-and-Colors.html#GdkColormap">GdkColormap</a>* <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-get-colormap">gdk_drawable_get_colormap</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-get-depth">gdk_drawable_get_depth</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-get-size">gdk_drawable_get_size</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> *width, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> *height);<a class="link" href="gdk-Points-Rectangles-and-Regions.html#GdkRegion">GdkRegion</a>* <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-get-clip-region">gdk_drawable_get_clip_region</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);<a class="link" href="gdk-Points-Rectangles-and-Regions.html#GdkRegion">GdkRegion</a>* <a class="link" href="gdk-Drawing-Primitives.html#gdk-drawable-get-visible-region">gdk_drawable_get_visible_region</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-point">gdk_draw_point</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> x, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> y);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-points">gdk_draw_points</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <a class="link" href="gdk-Points-Rectangles-and-Regions.html#GdkPoint">GdkPoint</a> *points, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> npoints);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-line">gdk_draw_line</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> x1_, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> y1_, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> x2_, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> y2_);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-lines">gdk_draw_lines</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <a class="link" href="gdk-Points-Rectangles-and-Regions.html#GdkPoint">GdkPoint</a> *points, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> npoints);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-pixbuf">gdk_draw_pixbuf</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <ahref="/usr/share/gtk-doc/html/gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf">GdkPixbuf</a> *pixbuf, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> src_x, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> src_y, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> dest_x, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> dest_y, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> width, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> height, <a class="link" href="gdk-GdkRGB.html#GdkRgbDither">GdkRgbDither</a> dither, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> x_dither, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> y_dither);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-segments">gdk_draw_segments</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <a class="link" href="gdk-Drawing-Primitives.html#GdkSegment">GdkSegment</a> *segs, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> nsegs); <a class="link" href="gdk-Drawing-Primitives.html#GdkSegment">GdkSegment</a>;void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-rectangle">gdk_draw_rectangle</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> filled, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> x, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> y, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> width, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> height);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-arc">gdk_draw_arc</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> filled, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> x, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> y, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> width, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> height, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> angle1, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> angle2);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-polygon">gdk_draw_polygon</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> filled, <a class="link" href="gdk-Points-Rectangles-and-Regions.html#GdkPoint">GdkPoint</a> *points, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> npoints);void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-trapezoids">gdk_draw_trapezoids</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <a class="link" href="gdk-Drawing-Primitives.html#GdkTrapezoid">GdkTrapezoid</a> *trapezoids, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> n_trapezoids); <a class="link" href="gdk-Drawing-Primitives.html#GdkTrapezoid">GdkTrapezoid</a>;void <a class="link" href="gdk-Drawing-Primitives.html#gdk-draw-glyphs">gdk_draw_glyphs</a> (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable, <a class="link" href="gdk-Graphics-Contexts.html#GdkGC">GdkGC</a> *gc, <ahref="/usr/share/gtk-doc/html/pango/pango-Fonts.html#PangoFont">PangoFont</a> *font, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> x, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> y, <ahref="/usr/share/gtk-doc/html/pango/pango-Glyph-Storage.html#PangoGlyphString">PangoGlyphString</a> *glyphs);⌨️ 快捷键说明
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