godot/scene/gui/texture_rect.cpp

181 lines
6.2 KiB
C++
Raw Normal View History

2014-02-10 09:10:30 +08:00
/*************************************************************************/
/* texture_rect.cpp */
2014-02-10 09:10:30 +08:00
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
2014-02-10 09:10:30 +08:00
/* */
/* 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. */
/*************************************************************************/
#include "texture_rect.h"
2014-02-10 09:10:30 +08:00
#include "servers/visual_server.h"
void TextureRect::_notification(int p_what) {
2014-02-10 09:10:30 +08:00
if (p_what==NOTIFICATION_DRAW) {
if (texture.is_null())
return;
switch(stretch_mode) {
case STRETCH_SCALE_ON_EXPAND: {
Size2 s=expand?get_size():texture->get_size();
draw_texture_rect(texture,Rect2(Point2(),s),false);
} break;
case STRETCH_SCALE: {
draw_texture_rect(texture,Rect2(Point2(),get_size()),false);
} break;
case STRETCH_TILE: {
draw_texture_rect(texture,Rect2(Point2(),get_size()),true);
} break;
case STRETCH_KEEP: {
draw_texture_rect(texture,Rect2(Point2(),texture->get_size()),false);
} break;
case STRETCH_KEEP_CENTERED: {
Vector2 ofs = (get_size() - texture->get_size())/2;
draw_texture_rect(texture,Rect2(ofs,texture->get_size()),false);
} break;
case STRETCH_KEEP_ASPECT_CENTERED:
case STRETCH_KEEP_ASPECT: {
Size2 size=get_size();
int tex_width = texture->get_width() * size.height / texture ->get_height();
int tex_height = size.height;
if (tex_width>size.width) {
tex_width=size.width;
tex_height=texture->get_height() * tex_width / texture->get_width();
}
int ofs_x = 0;
int ofs_y = 0;
if (stretch_mode==STRETCH_KEEP_ASPECT_CENTERED) {
ofs_x+=(size.width - tex_width)/2;
ofs_y+=(size.height - tex_height)/2;
}
draw_texture_rect(texture,Rect2(ofs_x,ofs_y,tex_width,tex_height));
} break;
case STRETCH_KEEP_ASPECT_COVERED: {
Size2 size = get_size();
Size2 tex_size = texture->get_size();
Size2 scaleSize(size.width/tex_size.width, size.height/tex_size.height);
float scale = scaleSize.width > scaleSize.height? scaleSize.width : scaleSize.height;
Size2 scaledTexSize = tex_size * scale;
Point2 ofs = ((scaledTexSize - size) / scale).abs() / 2.0f;
draw_texture_rect_region(texture, Rect2(Point2(), size), Rect2(ofs, size/scale));
} break;
}
2014-02-10 09:10:30 +08:00
}
}
Size2 TextureRect::get_minimum_size() const {
2014-02-10 09:10:30 +08:00
if (!expand && !texture.is_null())
return texture->get_size();
else
return Size2();
}
void TextureRect::_bind_methods() {
2014-02-10 09:10:30 +08:00
ClassDB::bind_method(_MD("set_texture","texture"), & TextureRect::set_texture );
ClassDB::bind_method(_MD("get_texture"), & TextureRect::get_texture );
ClassDB::bind_method(_MD("set_expand","enable"), & TextureRect::set_expand );
ClassDB::bind_method(_MD("has_expand"), & TextureRect::has_expand );
ClassDB::bind_method(_MD("set_stretch_mode","stretch_mode"), & TextureRect::set_stretch_mode );
ClassDB::bind_method(_MD("get_stretch_mode"), & TextureRect::get_stretch_mode );
2014-02-10 09:10:30 +08:00
ADD_PROPERTYNZ( PropertyInfo( Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture");
ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "expand" ), "set_expand","has_expand");
ADD_PROPERTYNO( PropertyInfo( Variant::INT, "stretch_mode",PROPERTY_HINT_ENUM,"Scale On Expand (Compat),Scale,Tile,Keep,Keep Centered,Keep Aspect,Keep Aspect Centered,Keep Aspect Covered"), "set_stretch_mode", "get_stretch_mode");
2014-02-10 09:10:30 +08:00
BIND_CONSTANT( STRETCH_SCALE_ON_EXPAND );
BIND_CONSTANT( STRETCH_SCALE );
BIND_CONSTANT( STRETCH_TILE );
BIND_CONSTANT( STRETCH_KEEP );
BIND_CONSTANT( STRETCH_KEEP_CENTERED );
BIND_CONSTANT( STRETCH_KEEP_ASPECT );
BIND_CONSTANT( STRETCH_KEEP_ASPECT_CENTERED );
BIND_CONSTANT( STRETCH_KEEP_ASPECT_COVERED );
2014-02-10 09:10:30 +08:00
}
void TextureRect::set_texture(const Ref<Texture>& p_tex) {
2014-02-10 09:10:30 +08:00
texture=p_tex;
update();
/*
if (texture.is_valid())
texture->set_flags(texture->get_flags()&(~Texture::FLAG_REPEAT)); //remove repeat from texture, it looks bad in sprites
*/
2014-02-10 09:10:30 +08:00
minimum_size_changed();
}
Ref<Texture> TextureRect::get_texture() const {
2014-02-10 09:10:30 +08:00
return texture;
}
void TextureRect::set_expand(bool p_expand) {
2014-02-10 09:10:30 +08:00
expand=p_expand;
update();
minimum_size_changed();
}
bool TextureRect::has_expand() const {
2014-02-10 09:10:30 +08:00
return expand;
}
void TextureRect::set_stretch_mode(StretchMode p_mode) {
stretch_mode=p_mode;
update();
}
TextureRect::StretchMode TextureRect::get_stretch_mode() const {
return stretch_mode;
}
TextureRect::TextureRect() {
2014-02-10 09:10:30 +08:00
expand=false;
set_mouse_filter(MOUSE_FILTER_PASS);
stretch_mode=STRETCH_SCALE_ON_EXPAND;
2014-02-10 09:10:30 +08:00
}
TextureRect::~TextureRect()
2014-02-10 09:10:30 +08:00
{
}