initial commit, 4.5 stable

scene/gui/nine_patch_rect.cpp

@@ -0,0 +1,195 @@
+/**************************************************************************/
+/*  nine_patch_rect.cpp                                                   */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* 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.                 */
+/**************************************************************************/
+
+#include "nine_patch_rect.h"
+
+#include "servers/rendering_server.h"
+
+void NinePatchRect::_notification(int p_what) {
+	switch (p_what) {
+		case 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();
+			RS::get_singleton()->canvas_item_add_nine_patch(ci, rect, src_rect, texture->get_scaled_rid(), Vector2(margin[SIDE_LEFT], margin[SIDE_TOP]), Vector2(margin[SIDE_RIGHT], margin[SIDE_BOTTOM]), RS::NinePatchAxisMode(axis_h), RS::NinePatchAxisMode(axis_v), draw_center);
+		} break;
+	}
+}
+
+Size2 NinePatchRect::get_minimum_size() const {
+	return Size2(margin[SIDE_LEFT] + margin[SIDE_RIGHT], margin[SIDE_TOP] + margin[SIDE_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, "Texture2D"), "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", PROPERTY_HINT_NONE, "suffix:px"), "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,suffix:px"), "set_patch_margin", "get_patch_margin", SIDE_LEFT);
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "patch_margin_top", PROPERTY_HINT_RANGE, "0,16384,1,suffix:px"), "set_patch_margin", "get_patch_margin", SIDE_TOP);
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "patch_margin_right", PROPERTY_HINT_RANGE, "0,16384,1,suffix:px"), "set_patch_margin", "get_patch_margin", SIDE_RIGHT);
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "patch_margin_bottom", PROPERTY_HINT_RANGE, "0,16384,1,suffix:px"), "set_patch_margin", "get_patch_margin", SIDE_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::_texture_changed() {
+	queue_redraw();
+	update_minimum_size();
+}
+
+void NinePatchRect::set_texture(const Ref<Texture2D> &p_tex) {
+	if (texture == p_tex) {
+		return;
+	}
+
+	if (texture.is_valid()) {
+		texture->disconnect_changed(callable_mp(this, &NinePatchRect::_texture_changed));
+	}
+
+	texture = p_tex;
+
+	if (texture.is_valid()) {
+		texture->connect_changed(callable_mp(this, &NinePatchRect::_texture_changed));
+	}
+
+	queue_redraw();
+	update_minimum_size();
+	emit_signal(SceneStringName(texture_changed));
+}
+
+Ref<Texture2D> NinePatchRect::get_texture() const {
+	return texture;
+}
+
+void NinePatchRect::set_patch_margin(Side p_side, int p_size) {
+	ERR_FAIL_INDEX((int)p_side, 4);
+
+	if (margin[p_side] == p_size) {
+		return;
+	}
+
+	margin[p_side] = p_size;
+	queue_redraw();
+	update_minimum_size();
+}
+
+int NinePatchRect::get_patch_margin(Side p_side) const {
+	ERR_FAIL_INDEX_V((int)p_side, 4, 0);
+	return margin[p_side];
+}
+
+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();
+}
+
+Rect2 NinePatchRect::get_region_rect() const {
+	return region_rect;
+}
+
+void NinePatchRect::set_draw_center(bool p_enabled) {
+	if (draw_center == p_enabled) {
+		return;
+	}
+
+	draw_center = p_enabled;
+	queue_redraw();
+}
+
+bool NinePatchRect::is_draw_center_enabled() const {
+	return draw_center;
+}
+
+void NinePatchRect::set_h_axis_stretch_mode(AxisStretchMode p_mode) {
+	if (axis_h == p_mode) {
+		return;
+	}
+
+	axis_h = p_mode;
+	queue_redraw();
+}
+
+NinePatchRect::AxisStretchMode NinePatchRect::get_h_axis_stretch_mode() const {
+	return axis_h;
+}
+
+void NinePatchRect::set_v_axis_stretch_mode(AxisStretchMode p_mode) {
+	if (axis_v == p_mode) {
+		return;
+	}
+
+	axis_v = p_mode;
+	queue_redraw();
+}
+
+NinePatchRect::AxisStretchMode NinePatchRect::get_v_axis_stretch_mode() const {
+	return axis_v;
+}
+
+NinePatchRect::NinePatchRect() {
+	set_mouse_filter(MOUSE_FILTER_IGNORE);
+}
+
+NinePatchRect::~NinePatchRect() {
+}