godot/scene/gui/nine_patch_rect.cpp

202 lines
7.8 KiB
C++

/*************************************************************************/
/* nine_patch_rect.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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. */
/*************************************************************************/
#include "nine_patch_rect.h"
#include "servers/visual_server.h"
void NinePatchRect::_notification(int p_what) {
if (p_what == NOTIFICATION_DRAW) {
if (texture.is_null())
return;
Rect2 rect = Rect2(Point2(), get_size());
Rect2 src_rect = region_rect;
texture->get_rect_region(rect, src_rect, rect, src_rect);
RID ci = get_canvas_item();
VS::get_singleton()->canvas_item_add_nine_patch(ci, rect, src_rect, texture->get_rid(), Vector2(margin[MARGIN_LEFT], margin[MARGIN_TOP]), Vector2(margin[MARGIN_RIGHT], margin[MARGIN_BOTTOM]), VS::NinePatchAxisMode(axis_h), VS::NinePatchAxisMode(axis_v), draw_center);
}
}
Size2 NinePatchRect::get_minimum_size() const {
return Size2(margin[MARGIN_LEFT] + margin[MARGIN_RIGHT], margin[MARGIN_TOP] + margin[MARGIN_BOTTOM]);
}
void NinePatchRect::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_texture", "texture"), &NinePatchRect::set_texture);
ClassDB::bind_method(D_METHOD("get_texture"), &NinePatchRect::get_texture);
ClassDB::bind_method(D_METHOD("set_patch_margin", "margin", "value"), &NinePatchRect::set_patch_margin);
ClassDB::bind_method(D_METHOD("get_patch_margin", "margin"), &NinePatchRect::get_patch_margin);
ClassDB::bind_method(D_METHOD("set_region_rect", "rect"), &NinePatchRect::set_region_rect);
ClassDB::bind_method(D_METHOD("get_region_rect"), &NinePatchRect::get_region_rect);
ClassDB::bind_method(D_METHOD("set_draw_center", "draw_center"), &NinePatchRect::set_draw_center);
ClassDB::bind_method(D_METHOD("is_draw_center_enabled"), &NinePatchRect::is_draw_center_enabled);
ClassDB::bind_method(D_METHOD("set_h_axis_stretch_mode", "mode"), &NinePatchRect::set_h_axis_stretch_mode);
ClassDB::bind_method(D_METHOD("get_h_axis_stretch_mode"), &NinePatchRect::get_h_axis_stretch_mode);
ClassDB::bind_method(D_METHOD("set_v_axis_stretch_mode", "mode"), &NinePatchRect::set_v_axis_stretch_mode);
ClassDB::bind_method(D_METHOD("get_v_axis_stretch_mode"), &NinePatchRect::get_v_axis_stretch_mode);
ADD_SIGNAL(MethodInfo("texture_changed"));
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_center"), "set_draw_center", "is_draw_center_enabled");
ADD_PROPERTY(PropertyInfo(Variant::RECT2, "region_rect"), "set_region_rect", "get_region_rect");
ADD_GROUP("Patch Margin", "patch_margin_");
ADD_PROPERTYI(PropertyInfo(Variant::INT, "patch_margin_left", PROPERTY_HINT_RANGE, "0,16384,1"), "set_patch_margin", "get_patch_margin", MARGIN_LEFT);
ADD_PROPERTYI(PropertyInfo(Variant::INT, "patch_margin_top", PROPERTY_HINT_RANGE, "0,16384,1"), "set_patch_margin", "get_patch_margin", MARGIN_TOP);
ADD_PROPERTYI(PropertyInfo(Variant::INT, "patch_margin_right", PROPERTY_HINT_RANGE, "0,16384,1"), "set_patch_margin", "get_patch_margin", MARGIN_RIGHT);
ADD_PROPERTYI(PropertyInfo(Variant::INT, "patch_margin_bottom", PROPERTY_HINT_RANGE, "0,16384,1"), "set_patch_margin", "get_patch_margin", MARGIN_BOTTOM);
ADD_GROUP("Axis Stretch", "axis_stretch_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "axis_stretch_horizontal", PROPERTY_HINT_ENUM, "Stretch,Tile,Tile Fit"), "set_h_axis_stretch_mode", "get_h_axis_stretch_mode");
ADD_PROPERTY(PropertyInfo(Variant::INT, "axis_stretch_vertical", PROPERTY_HINT_ENUM, "Stretch,Tile,Tile Fit"), "set_v_axis_stretch_mode", "get_v_axis_stretch_mode");
BIND_ENUM_CONSTANT(AXIS_STRETCH_MODE_STRETCH);
BIND_ENUM_CONSTANT(AXIS_STRETCH_MODE_TILE);
BIND_ENUM_CONSTANT(AXIS_STRETCH_MODE_TILE_FIT);
}
void NinePatchRect::set_texture(const Ref<Texture> &p_tex) {
if (texture == p_tex)
return;
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
*/
minimum_size_changed();
emit_signal("texture_changed");
_change_notify("texture");
}
Ref<Texture> NinePatchRect::get_texture() const {
return texture;
}
void NinePatchRect::set_patch_margin(Margin p_margin, int p_size) {
ERR_FAIL_INDEX((int)p_margin, 4);
margin[p_margin] = p_size;
update();
minimum_size_changed();
switch (p_margin) {
case MARGIN_LEFT:
_change_notify("patch_margin_left");
break;
case MARGIN_TOP:
_change_notify("patch_margin_top");
break;
case MARGIN_RIGHT:
_change_notify("patch_margin_right");
break;
case MARGIN_BOTTOM:
_change_notify("patch_margin_bottom");
break;
}
}
int NinePatchRect::get_patch_margin(Margin p_margin) const {
ERR_FAIL_INDEX_V((int)p_margin, 4, 0);
return margin[p_margin];
}
void NinePatchRect::set_region_rect(const Rect2 &p_region_rect) {
if (region_rect == p_region_rect)
return;
region_rect = p_region_rect;
item_rect_changed();
_change_notify("region_rect");
}
Rect2 NinePatchRect::get_region_rect() const {
return region_rect;
}
void NinePatchRect::set_draw_center(bool p_enabled) {
draw_center = p_enabled;
update();
}
bool NinePatchRect::is_draw_center_enabled() const {
return draw_center;
}
void NinePatchRect::set_h_axis_stretch_mode(AxisStretchMode p_mode) {
axis_h = p_mode;
update();
}
NinePatchRect::AxisStretchMode NinePatchRect::get_h_axis_stretch_mode() const {
return axis_h;
}
void NinePatchRect::set_v_axis_stretch_mode(AxisStretchMode p_mode) {
axis_v = p_mode;
update();
}
NinePatchRect::AxisStretchMode NinePatchRect::get_v_axis_stretch_mode() const {
return axis_v;
}
NinePatchRect::NinePatchRect() {
margin[MARGIN_LEFT] = 0;
margin[MARGIN_RIGHT] = 0;
margin[MARGIN_BOTTOM] = 0;
margin[MARGIN_TOP] = 0;
set_mouse_filter(MOUSE_FILTER_IGNORE);
draw_center = true;
axis_h = AXIS_STRETCH_MODE_STRETCH;
axis_v = AXIS_STRETCH_MODE_STRETCH;
}
NinePatchRect::~NinePatchRect() {
}