1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 25 module gsk.CairoNode; 26 27 private import cairo.Context; 28 private import cairo.Surface; 29 private import glib.ConstructionException; 30 private import gobject.ObjectG; 31 private import graphene.Rect; 32 private import gsk.RenderNode; 33 private import gsk.c.functions; 34 public import gsk.c.types; 35 36 37 /** 38 * A render node for a Cairo surface. 39 */ 40 public class CairoNode : RenderNode 41 { 42 /** the main Gtk struct */ 43 protected GskCairoNode* gskCairoNode; 44 45 /** Get the main Gtk struct */ 46 public GskCairoNode* getCairoNodeStruct(bool transferOwnership = false) 47 { 48 if (transferOwnership) 49 ownedRef = false; 50 return gskCairoNode; 51 } 52 53 /** the main Gtk struct as a void* */ 54 protected override void* getStruct() 55 { 56 return cast(void*)gskCairoNode; 57 } 58 59 /** 60 * Sets our main struct and passes it to the parent class. 61 */ 62 public this (GskCairoNode* gskCairoNode, bool ownedRef = false) 63 { 64 this.gskCairoNode = gskCairoNode; 65 super(cast(GskRenderNode*)gskCairoNode, ownedRef); 66 } 67 68 69 /** */ 70 public static GType getType() 71 { 72 return gsk_cairo_node_get_type(); 73 } 74 75 /** 76 * Creates a `GskRenderNode` that will render a cairo surface 77 * into the area given by @bounds. 78 * 79 * You can draw to the cairo surface using [method@Gsk.CairoNode.get_draw_context]. 80 * 81 * Params: 82 * bounds = the rectangle to render to 83 * 84 * Returns: A new `GskRenderNode` 85 * 86 * Throws: ConstructionException GTK+ fails to create the object. 87 */ 88 public this(Rect bounds) 89 { 90 auto __p = gsk_cairo_node_new((bounds is null) ? null : bounds.getRectStruct()); 91 92 if(__p is null) 93 { 94 throw new ConstructionException("null returned by new"); 95 } 96 97 this(cast(GskCairoNode*) __p); 98 } 99 100 /** 101 * Creates a Cairo context for drawing using the surface associated 102 * to the render node. 103 * 104 * If no surface exists yet, a surface will be created optimized for 105 * rendering to @renderer. 106 * 107 * Returns: a Cairo context used for drawing; use 108 * cairo_destroy() when done drawing 109 */ 110 public Context getDrawContext() 111 { 112 auto __p = gsk_cairo_node_get_draw_context(cast(GskRenderNode*)gskCairoNode); 113 114 if(__p is null) 115 { 116 return null; 117 } 118 119 return new Context(cast(cairo_t*) __p); 120 } 121 122 /** 123 * Retrieves the Cairo surface used by the render node. 124 * 125 * Returns: a Cairo surface 126 */ 127 public Surface getSurface() 128 { 129 auto __p = gsk_cairo_node_get_surface(cast(GskRenderNode*)gskCairoNode); 130 131 if(__p is null) 132 { 133 return null; 134 } 135 136 return new Surface(cast(cairo_surface_t*) __p); 137 } 138 }