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Diffstat (limited to 'scene/2d/canvas_item.h')
| -rw-r--r-- | scene/2d/canvas_item.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/scene/2d/canvas_item.h b/scene/2d/canvas_item.h new file mode 100644 index 0000000000..0da4aa3086 --- /dev/null +++ b/scene/2d/canvas_item.h @@ -0,0 +1,209 @@ +/*************************************************************************/ +/* canvas_item.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ +#ifndef CANVAS_ITEM_H +#define CANVAS_ITEM_H + +#include "scene/main/node.h" +#include "scene/resources/texture.h" +#include "scene/main/scene_main_loop.h" + +class CanvasLayer; +class Viewport; +class Font; + +class StyleBox; + +class CanvasItem : public Node { + + OBJ_TYPE( CanvasItem, Node ); +public: + + enum BlendMode { + + BLEND_MODE_MIX, //default + BLEND_MODE_ADD, + BLEND_MODE_SUB, + BLEND_MODE_MUL + }; + +private: + + mutable SelfList<Node> xform_change; + + RID canvas_item; + String group; + + Viewport *viewport; + CanvasLayer *canvas_layer; + + float opacity; + float self_opacity; + + List<CanvasItem*> children_items; + List<CanvasItem*>::Element *C; + + BlendMode blend_mode; + + bool first_draw; + bool hidden; + bool pending_update; + bool toplevel; + bool pending_children_sort; + bool drawing; + bool block_transform_notify; + bool on_top; + + mutable Matrix32 global_transform; + mutable bool global_invalid; + + + void _raise_self(); + + void _propagate_visibility_changed(bool p_visible); + + void _set_visible_(bool p_visible); + bool _is_visible_() const; + + void _update_callback(); + + void _enter_canvas(); + void _exit_canvas(); + + void _queue_sort_children(); + void _sort_children(); + + + + void _notify_transform(CanvasItem *p_node); + +protected: + + + + _FORCE_INLINE_ void _notify_transform() { if (!is_inside_scene()) return; _notify_transform(this); if (!block_transform_notify) notification(NOTIFICATION_LOCAL_TRANSFORM_CHANGED); } + + void item_rect_changed(); + + void _notification(int p_what); + static void _bind_methods(); +public: + + + enum { + NOTIFICATION_TRANSFORM_CHANGED=SceneMainLoop::NOTIFICATION_TRANSFORM_CHANGED, //unique + NOTIFICATION_DRAW=30, + NOTIFICATION_VISIBILITY_CHANGED=31, + NOTIFICATION_ENTER_CANVAS=32, + NOTIFICATION_EXIT_CANVAS=33, + NOTIFICATION_LOCAL_TRANSFORM_CHANGED=35, + NOTIFICATION_WORLD_2D_CHANGED=36, + + }; + + /* EDITOR */ + + virtual Variant edit_get_state() const; + virtual void edit_set_state(const Variant& p_state); + virtual void edit_set_rect(const Rect2& p_edit_rect); + virtual void edit_rotate(float p_rot); + virtual Size2 edit_get_minimum_size() const; + + /* VISIBILITY */ + + bool is_visible() const; + bool is_hidden() const; + void show(); + void hide(); + + void update(); + + void set_blend_mode(BlendMode p_blend_mode); + BlendMode get_blend_mode() const; + + void set_opacity(float p_opacity); + float get_opacity() const; + + void set_self_opacity(float p_self_opacity); + float get_self_opacity() const; + + /* DRAWING API */ + + void draw_line(const Point2& p_from, const Point2& p_to,const Color& p_color,float p_width=1.0); + void draw_rect(const Rect2& p_rect, const Color& p_color); + void draw_circle(const Point2& p_pos, float p_radius, const Color& p_color); + void draw_texture(const Ref<Texture>& p_texture,const Point2& p_pos); + void draw_texture_rect(const Ref<Texture>& p_texture, const Rect2& p_rect, bool p_tile=false,const Color& p_modulate=Color(1,1,1)); + void draw_texture_rect_region(const Ref<Texture>& p_texture,const Rect2& p_rect, const Rect2& p_src_rect,const Color& p_modulate=Color(1,1,1)); + void draw_style_box(const Ref<StyleBox>& p_style_box,const Rect2& p_rect); + void draw_primitive(const Vector<Point2>& p_points, const Vector<Color>& p_colors,const Vector<Point2>& p_uvs, Ref<Texture> p_texture=Ref<Texture>(),float p_width=1); + void draw_polygon(const Vector<Point2>& p_points, const Vector<Color>& p_colors,const Vector<Point2>& p_uvs=Vector<Point2>(), Ref<Texture> p_texture=Ref<Texture>()); + void draw_colored_polygon(const Vector<Point2>& p_points, const Color& p_color,const Vector<Point2>& p_uvs=Vector<Point2>(), Ref<Texture> p_texture=Ref<Texture>()); + + void draw_string(const Ref<Font>& p_font, const Point2& p_pos, const String& p_text,const Color& p_modulate=Color(1,1,1),int p_clip_w=-1); + float draw_char(const Ref<Font>& p_font,const Point2& p_pos, const String& p_char,const String& p_next="",const Color& p_modulate=Color(1,1,1)); + + void draw_set_transform(const Point2& p_offset, float p_rot, const Size2& p_scale); + + /* RECT / TRANSFORM */ + + void set_as_toplevel(bool p_toplevel); + bool is_set_as_toplevel() const; + + void set_on_top(bool p_on_top); + bool is_on_top() const; + + CanvasItem *get_parent_item() const; + + virtual Rect2 get_item_rect() const=0; + virtual Matrix32 get_transform() const=0; + + virtual Matrix32 get_global_transform() const; + virtual Matrix32 get_global_transform_with_canvas() const; + + CanvasItem *get_toplevel() const; + _FORCE_INLINE_ RID get_canvas_item() const { return canvas_item; } + + void set_block_transform_notify(bool p_enable); + bool is_block_transform_notify_enabled() const; + + Matrix32 get_viewport_transform() const; + Rect2 get_viewport_rect() const; + RID get_viewport_rid() const; + RID get_canvas() const; + Ref<World2D> get_world_2d() const; + Viewport *get_viewport() const; + + + CanvasItem(); + ~CanvasItem(); +}; + +VARIANT_ENUM_CAST( CanvasItem::BlendMode ); + +#endif // CANVAS_ITEM_H |