summaryrefslogtreecommitdiff
path: root/scene/resources/text_paragraph.h
blob: e58c157b01764f04c98092f42c772df2cb668ba9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*************************************************************************/
/*  text_paragraph.h                                                     */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* 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 TEXT_PARAGRAPH_H
#define TEXT_PARAGRAPH_H

#include "scene/resources/font.h"
#include "servers/text_server.h"

/*************************************************************************/

class TextParagraph : public Reference {
	GDCLASS(TextParagraph, Reference);

	RID dropcap_rid;
	int dropcap_lines = 0;
	Rect2 dropcap_margins;

	RID rid;
	Vector<RID> lines;
	int spacing_top = 0;
	int spacing_bottom = 0;

	bool dirty_lines = true;

	float width = -1;
	uint8_t flags = TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND | TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA;
	HAlign align = HALIGN_LEFT;

	Vector<float> tab_stops;

protected:
	static void _bind_methods();

	void _shape_lines();

public:
	RID get_rid() const;
	RID get_line_rid(int p_line) const;
	RID get_dropcap_rid() const;

	void clear();

	void set_direction(TextServer::Direction p_direction);
	TextServer::Direction get_direction() const;

	void set_orientation(TextServer::Orientation p_orientation);
	TextServer::Orientation get_orientation() const;

	void set_preserve_invalid(bool p_enabled);
	bool get_preserve_invalid() const;

	void set_preserve_control(bool p_enabled);
	bool get_preserve_control() const;

	void set_bidi_override(const Vector<Vector2i> &p_override);

	bool set_dropcap(const String &p_text, const Ref<Font> &p_fonts, int p_size, const Rect2 &p_dropcap_margins = Rect2(), const Dictionary &p_opentype_features = Dictionary(), const String &p_language = "");
	void clear_dropcap();

	bool add_string(const String &p_text, const Ref<Font> &p_fonts, int p_size, const Dictionary &p_opentype_features = Dictionary(), const String &p_language = "");
	bool add_object(Variant p_key, const Size2 &p_size, VAlign p_inline_align = VALIGN_CENTER, int p_length = 1);
	bool resize_object(Variant p_key, const Size2 &p_size, VAlign p_inline_align = VALIGN_CENTER);

	void set_align(HAlign p_align);
	HAlign get_align() const;

	void tab_align(const Vector<float> &p_tab_stops);

	void set_flags(uint8_t p_flags);
	uint8_t get_flags() const;

	void set_width(float p_width);
	float get_width() const;

	Size2 get_non_wraped_size() const;

	Size2 get_size() const;

	int get_line_count() const;

	Array get_line_objects(int p_line) const;
	Rect2 get_line_object_rect(int p_line, Variant p_key) const;
	Size2 get_line_size(int p_line) const;
	float get_line_ascent(int p_line) const;
	float get_line_descent(int p_line) const;
	float get_line_width(int p_line) const;
	Vector2i get_line_range(int p_line) const;
	float get_line_underline_position(int p_line) const;
	float get_line_underline_thickness(int p_line) const;

	Size2 get_dropcap_size() const;
	int get_dropcap_lines() const;

	void draw(RID p_canvas, const Vector2 &p_pos, const Color &p_color = Color(1, 1, 1), const Color &p_dc_color = Color(1, 1, 1)) const;
	void draw_outline(RID p_canvas, const Vector2 &p_pos, int p_outline_size = 1, const Color &p_color = Color(1, 1, 1), const Color &p_dc_color = Color(1, 1, 1)) const;

	void draw_line(RID p_canvas, const Vector2 &p_pos, int p_line, const Color &p_color = Color(1, 1, 1)) const;
	void draw_line_outline(RID p_canvas, const Vector2 &p_pos, int p_line, int p_outline_size = 1, const Color &p_color = Color(1, 1, 1)) const;

	void draw_dropcap(RID p_canvas, const Vector2 &p_pos, const Color &p_color = Color(1, 1, 1)) const;
	void draw_dropcap_outline(RID p_canvas, const Vector2 &p_pos, int p_outline_size = 1, const Color &p_color = Color(1, 1, 1)) const;

	int hit_test(const Point2 &p_coords) const;

	void _set_bidi_override(const Array &p_override);

	TextParagraph(const String &p_text, const Ref<Font> &p_fonts, int p_size, const Dictionary &p_opentype_features = Dictionary(), const String &p_language = "", float p_width = -1.f, TextServer::Direction p_direction = TextServer::DIRECTION_AUTO, TextServer::Orientation p_orientation = TextServer::ORIENTATION_HORIZONTAL);
	TextParagraph();
	~TextParagraph();
};

#endif // TEXT_PARAGRAPH_H