626 lines
17 KiB
C++
626 lines
17 KiB
C++
/*************************************************************************/
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/* color_picker.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "color_picker.h"
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#include "scene/gui/separator.h"
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#include "scene/main/viewport.h"
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#include "os/os.h"
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#include "os/input.h"
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#include "os/keyboard.h"
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void update_material(Ref<CanvasItemMaterial>mat,const Color& p_color) {
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if (!mat.is_valid())
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return;
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Ref<Shader> sdr = mat->get_shader();
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if (!sdr.is_valid())
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return;
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mat->set_shader_param("R",p_color.r);
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mat->set_shader_param("G",p_color.g);
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mat->set_shader_param("B",p_color.b);
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mat->set_shader_param("H",p_color.get_h());
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mat->set_shader_param("S",p_color.get_s());
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mat->set_shader_param("V",p_color.get_v());
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mat->set_shader_param("A",p_color.a);
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}
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void ColorPicker::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_THEME_CHANGED: {
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uv_material->set_shader(get_shader("uv_editor"));
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w_material->set_shader(get_shader("w_editor"));
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update_material(uv_material,color);
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update_material(w_material,color);
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_update_controls();
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} break;
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case NOTIFICATION_ENTER_TREE: {
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btn_pick->set_icon(get_icon("screen_picker", "ColorPicker"));
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}
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}
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}
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void ColorPicker::_update_controls() {
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if (edit_alpha) {
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values[3]->show();
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scroll[3]->show();
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labels[3]->show();
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} else {
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values[3]->hide();
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scroll[3]->hide();
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labels[3]->hide();
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}
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}
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void ColorPicker::set_color(const Color& p_color) {
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color=p_color;
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h=color.get_h();
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s=color.get_s();
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v=color.get_v();
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update_material(uv_material, color);
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update_material(w_material, color);
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uv_edit->get_child(0)->cast_to<Control>()->update();
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w_edit->get_child(0)->cast_to<Control>()->update();
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_update_color();
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}
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void ColorPicker::set_edit_alpha(bool p_show) {
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edit_alpha=p_show;
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_update_controls();
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_update_color();
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sample->update();
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}
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bool ColorPicker::is_editing_alpha() const {
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return edit_alpha;
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}
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void ColorPicker::_value_changed(double) {
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if (updating)
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return;
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for(int i=0;i<3;i++) {
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color.components[i] = scroll[i]->get_val()/(raw_mode_enabled?1.0:255.0);
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}
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color.components[3] = scroll[3]->get_val()/255.0;
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update_material(uv_material,color);
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update_material(w_material,color);
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html->set_text(color.to_html(edit_alpha && color.a<1));
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sample->update();
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emit_signal("color_changed",color);
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}
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void ColorPicker::_html_entered(const String& p_html) {
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if (updating)
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return;
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color = Color::html(p_html);
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_update_color();
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emit_signal("color_changed",color);
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}
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void ColorPicker::_update_color() {
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updating=true;
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for(int i=0;i<4;i++) {
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scroll[i]->set_max(255);
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scroll[i]->set_step(0.01);
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if (raw_mode_enabled && i != 3)
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scroll[i]->set_val(color.components[i]);
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else
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scroll[i]->set_val(color.components[i]*255);
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}
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html->set_text(color.to_html(edit_alpha && color.a<1));
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html->grab_focus();
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html->select();
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sample->update();
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updating=false;
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}
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void ColorPicker::_update_presets()
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{
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Size2 size=bt_add_preset->get_size();
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preset->set_custom_minimum_size(Size2(size.width*presets.size(),size.height));
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Image i(size.x*presets.size(),size.y, false, Image::FORMAT_RGB);
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for (int y=0;y<size.y;y++)
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for (int x=0;x<size.x*presets.size();x++)
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i.put_pixel(x,y,presets[(int)x/size.x]);
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Ref<ImageTexture> t;
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t.instance();
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t->create_from_image(i);
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preset->set_texture(t);
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}
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Color ColorPicker::get_color() const {
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return color;
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}
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void ColorPicker::add_preset(const Color &p_color)
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{
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if (presets.find(p_color)) {
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presets.move_to_back(presets.find(p_color));
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} else {
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presets.push_back(p_color);
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}
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_update_presets();
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if (presets.size()==10)
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bt_add_preset->hide();
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}
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void ColorPicker::set_raw_mode(bool p_enabled) {
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if (raw_mode_enabled==p_enabled)
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return;
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raw_mode_enabled=p_enabled;
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if (btn_mode->is_pressed()!=p_enabled)
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btn_mode->set_pressed(p_enabled);
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_update_controls();
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_update_color();
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}
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bool ColorPicker::is_raw_mode() const {
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return raw_mode_enabled;
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}
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void ColorPicker::_sample_draw() {
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sample->draw_rect(Rect2(Point2(),Size2(256,20)),color);
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}
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void ColorPicker::_hsv_draw(int p_wich,Control* c)
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{
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if (!c)
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return;
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if (p_wich==0) {
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int x=c->get_size().x*color.get_s();
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int y=c->get_size().y-c->get_size().y*color.get_v();
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c->draw_line(Point2(x,0),Point2(x,c->get_size().y),color.inverted());
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c->draw_line(Point2(0,y),Point2(c->get_size().x,y),color.inverted());
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c->draw_line(Point2(x,y),Point2(x,y),Color(1,1,1),2);
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} else if (p_wich==1) {
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int y=c->get_size().y-c->get_size().y*color.get_h();
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Color col=Color();
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col.set_hsv(color.get_h(),1,1);
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c->draw_line(Point2(0,y),Point2(c->get_size().x,y),col.inverted());
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}
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}
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void ColorPicker::_uv_input(const InputEvent &ev) {
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if (ev.type == InputEvent::MOUSE_BUTTON) {
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const InputEventMouseButton &bev = ev.mouse_button;
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if (bev.pressed) {
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changing_color = true;
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float x = CLAMP((float)bev.x,0,256);
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float y = CLAMP((float)bev.y,0,256);
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s=x/256;
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v=1.0-y/256.0;
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color.set_hsv(h,s,v,color.a);
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set_color(color);
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_update_color();
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emit_signal("color_changed", color);
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} else {
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changing_color = false;
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}
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} else if (ev.type == InputEvent::MOUSE_MOTION) {
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const InputEventMouse &bev = ev.mouse_motion;
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if (!changing_color)
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return;
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float x = CLAMP((float)bev.x,0,256);
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float y = CLAMP((float)bev.y,0,256);
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s=x/256;
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v=1.0-y/256.0;
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color.set_hsv(h,s,v,color.a);
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set_color(color);
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_update_color();
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emit_signal("color_changed", color);
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}
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}
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void ColorPicker::_w_input(const InputEvent &ev) {
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if (ev.type == InputEvent::MOUSE_BUTTON) {
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const InputEventMouseButton &bev = ev.mouse_button;
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if (bev.pressed) {
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changing_color = true;
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h=1-((float)bev.y)/256.0;
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} else {
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changing_color = false;
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}
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color.set_hsv(h,s,v,color.a);
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set_color(color);
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_update_color();
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emit_signal("color_changed", color);
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} else if (ev.type == InputEvent::MOUSE_MOTION) {
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const InputEventMouse &bev = ev.mouse_motion;
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if (!changing_color)
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return;
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float y = CLAMP((float)bev.y,0,256);
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h=1.0-y/256.0;
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color.set_hsv(h,s,v,color.a);
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set_color(color);
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_update_color();
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emit_signal("color_changed", color);
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}
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}
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void ColorPicker::_preset_input(const InputEvent &ev) {
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if (ev.type == InputEvent::MOUSE_BUTTON) {
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const InputEventMouseButton &bev = ev.mouse_button;
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if (bev.pressed && bev.button_index==BUTTON_LEFT) {
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int index = bev.x/(preset->get_size().x/presets.size());
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set_color(presets[index]);
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} else if (bev.pressed && bev.button_index==BUTTON_RIGHT) {
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int index = bev.x/(preset->get_size().x/presets.size());
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presets.erase(presets[index]);
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_update_presets();
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bt_add_preset->show();
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}
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_update_color();
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emit_signal("color_changed", color);
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} else if (ev.type == InputEvent::MOUSE_MOTION) {
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const InputEventMouse &mev = ev.mouse_motion;
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int index = mev.x/(preset->get_size().x/presets.size());
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if (index<0 || index >= presets.size())
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return;
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preset->set_tooltip("Color: #"+presets[index].to_html(presets[index].a<1)+"\n"
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"LMB: Set color\n"
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"RMB: Remove preset");
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}
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}
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void ColorPicker::_screen_input(const InputEvent &ev)
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{
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if (ev.type==InputEvent::MOUSE_BUTTON) {
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const InputEventMouseButton &bev = ev.mouse_button;
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if (bev.button_index==BUTTON_LEFT&&!bev.pressed) {
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emit_signal("color_changed", color);
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screen->hide();
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}
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} else if (ev.type==InputEvent::MOUSE_MOTION) {
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const InputEventMouse &mev = ev.mouse_motion;
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Viewport *r=get_tree()->get_root();
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if (!r->get_rect().has_point(Point2(mev.global_x,mev.global_y)))
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return;
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Image img =r->get_screen_capture();
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if (!img.empty())
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last_capture=img;
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r->queue_screen_capture();
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if (!last_capture.empty())
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set_color(last_capture.get_pixel(mev.global_x,mev.global_y));
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}
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}
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void ColorPicker::_add_preset_pressed() {
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add_preset(color);
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}
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void ColorPicker::_screen_pick_pressed()
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{
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Viewport *r=get_tree()->get_root();
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if (!screen) {
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screen=memnew( Control );
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r->add_child(screen);
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screen->set_area_as_parent_rect();
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screen->connect("input_event",this,"_screen_input");
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}
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screen->raise();
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screen->show();
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r->queue_screen_capture();
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}
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void ColorPicker::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_color","color"),&ColorPicker::set_color);
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ObjectTypeDB::bind_method(_MD("get_color"),&ColorPicker::get_color);
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ObjectTypeDB::bind_method(_MD("set_raw_mode","mode"),&ColorPicker::set_raw_mode);
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ObjectTypeDB::bind_method(_MD("is_raw_mode"),&ColorPicker::is_raw_mode);
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ObjectTypeDB::bind_method(_MD("set_edit_alpha","show"),&ColorPicker::set_edit_alpha);
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ObjectTypeDB::bind_method(_MD("is_editing_alpha"),&ColorPicker::is_editing_alpha);
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ObjectTypeDB::bind_method(_MD("add_preset"), &ColorPicker::add_preset);
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ObjectTypeDB::bind_method(_MD("_value_changed"),&ColorPicker::_value_changed);
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ObjectTypeDB::bind_method(_MD("_html_entered"),&ColorPicker::_html_entered);
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ObjectTypeDB::bind_method(_MD("_add_preset_pressed"), &ColorPicker::_add_preset_pressed);
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ObjectTypeDB::bind_method(_MD("_screen_pick_pressed"), &ColorPicker::_screen_pick_pressed);
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ObjectTypeDB::bind_method(_MD("_sample_draw"),&ColorPicker::_sample_draw);
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ObjectTypeDB::bind_method(_MD("_hsv_draw"),&ColorPicker::_hsv_draw);
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ObjectTypeDB::bind_method(_MD("_uv_input"),&ColorPicker::_uv_input);
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ObjectTypeDB::bind_method(_MD("_w_input"),&ColorPicker::_w_input);
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ObjectTypeDB::bind_method(_MD("_preset_input"),&ColorPicker::_preset_input);
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ObjectTypeDB::bind_method(_MD("_screen_input"),&ColorPicker::_screen_input);
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ADD_SIGNAL( MethodInfo("color_changed",PropertyInfo(Variant::COLOR,"color")));
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}
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ColorPicker::ColorPicker() :
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BoxContainer(true) {
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updating=true;
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edit_alpha=true;
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raw_mode_enabled=false;
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changing_color=false;
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screen=NULL;
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HBoxContainer *hb_smpl = memnew( HBoxContainer );
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btn_pick = memnew( ToolButton );
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btn_pick->connect("pressed",this,"_screen_pick_pressed");
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sample = memnew( TextureFrame );
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sample->set_h_size_flags(SIZE_EXPAND_FILL);
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sample->connect("draw",this,"_sample_draw");
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hb_smpl->add_child(sample);
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hb_smpl->add_child(btn_pick);
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add_child(hb_smpl);
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HBoxContainer *hb_edit = memnew( HBoxContainer );
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uv_edit= memnew ( TextureFrame );
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Image i(256, 256, false, Image::FORMAT_RGB);
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for (int y=0;y<256;y++)
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for (int x=0;x<256;x++)
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i.put_pixel(x,y,Color());
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Ref<ImageTexture> t;
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t.instance();
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t->create_from_image(i);
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uv_edit->set_texture(t);
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uv_edit->set_ignore_mouse(false);
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uv_edit->set_custom_minimum_size(Size2(256,256));
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uv_edit->connect("input_event", this, "_uv_input");
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Control *c= memnew( Control );
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uv_edit->add_child(c);
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c->set_area_as_parent_rect();
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c->set_stop_mouse(false);
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c->set_material(memnew ( CanvasItemMaterial ));
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Vector<Variant> args=Vector<Variant>();
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args.push_back(0);
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args.push_back(c);
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c->connect("draw",this,"_hsv_draw",args);
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add_child(hb_edit);
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w_edit= memnew( TextureFrame );
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i = Image(15, 256, false, Image::FORMAT_RGB);
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for (int y=0;y<256;y++)
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for (int x=0;x<15;x++)
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i.put_pixel(x,y,Color());
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Ref<ImageTexture> tw;
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tw.instance();
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tw->create_from_image(i);
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w_edit->set_texture(tw);
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w_edit->set_ignore_mouse(false);
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w_edit->set_custom_minimum_size(Size2(15,256));
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w_edit->connect("input_event", this, "_w_input");
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c= memnew( Control );
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w_edit->add_child(c);
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c->set_area_as_parent_rect();
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c->set_stop_mouse(false);
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c->set_material(memnew ( CanvasItemMaterial ));
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args.clear();
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args.push_back(1);
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args.push_back(c);
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c->connect("draw",this,"_hsv_draw",args);
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hb_edit->add_child(uv_edit);
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hb_edit->add_child(memnew( VSeparator ));
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hb_edit->add_child(w_edit);
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VBoxContainer *vbl = memnew( VBoxContainer );
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add_child(vbl);
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add_child(memnew( HSeparator ));
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VBoxContainer *vbr = memnew( VBoxContainer );
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add_child(vbr);
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vbr->set_h_size_flags(SIZE_EXPAND_FILL);
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const char* lt[4] = {"R","G","B","A"};
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for(int i=0;i<4;i++) {
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HBoxContainer *hbc = memnew( HBoxContainer );
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labels[i]=memnew( Label(lt[i]) );
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hbc->add_child(labels[i]);
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scroll[i]=memnew( HSlider );
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hbc->add_child(scroll[i]);
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values[i]=memnew( SpinBox );
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scroll[i]->share(values[i]);
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hbc->add_child(values[i]);
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scroll[i]->set_min(0);
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scroll[i]->set_page(0);
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scroll[i]->set_h_size_flags(SIZE_EXPAND_FILL);
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|
scroll[i]->connect("value_changed",this,"_value_changed");
|
|
|
|
vbr->add_child(hbc);
|
|
|
|
}
|
|
|
|
HBoxContainer *hhb = memnew( HBoxContainer );
|
|
|
|
btn_mode = memnew( CheckButton );
|
|
btn_mode->set_text("RAW Mode");
|
|
btn_mode->connect("toggled", this, "set_raw_mode");
|
|
hhb->add_child(btn_mode);
|
|
vbr->add_child(hhb);
|
|
html_num = memnew( Label );
|
|
hhb->add_child(html_num);
|
|
|
|
html = memnew( LineEdit );
|
|
hhb->add_child(html);
|
|
html->connect("text_entered",this,"_html_entered");
|
|
html_num->set_text("#");
|
|
html->set_h_size_flags(SIZE_EXPAND_FILL);
|
|
|
|
|
|
_update_controls();
|
|
_update_color();
|
|
updating=false;
|
|
|
|
uv_material.instance();
|
|
Ref<Shader> s_uv = get_shader("uv_editor");
|
|
uv_material->set_shader(s_uv);
|
|
|
|
w_material.instance();
|
|
|
|
Ref<Shader> s_w = get_shader("w_editor");
|
|
w_material->set_shader(s_w);
|
|
|
|
uv_edit->set_material(uv_material);
|
|
w_edit->set_material(w_material);
|
|
|
|
set_color(Color(1,1,1));
|
|
|
|
i.create(256,20,false,Image::FORMAT_RGB);
|
|
for (int y=0;y<20;y++)
|
|
for(int x=0;x<256;x++)
|
|
if ((x/4+y/4)%2)
|
|
i.put_pixel(x,y,Color(1,1,1));
|
|
else
|
|
i.put_pixel(x,y,Color(0.6,0.6,0.6));
|
|
Ref<ImageTexture> t_smpl;
|
|
t_smpl.instance();
|
|
t_smpl->create_from_image(i);
|
|
sample->set_texture(t_smpl);
|
|
|
|
HBoxContainer *bbc = memnew( HBoxContainer );
|
|
add_child(bbc);
|
|
|
|
preset = memnew( TextureFrame );
|
|
bbc->add_child(preset);
|
|
preset->set_ignore_mouse(false);
|
|
preset->connect("input_event", this, "_preset_input");
|
|
|
|
bt_add_preset = memnew ( Button );
|
|
bt_add_preset->set_icon(get_icon("add_preset"));
|
|
bt_add_preset->set_tooltip("Add current color as a preset");
|
|
bt_add_preset->connect("pressed", this, "_add_preset_pressed");
|
|
bbc->add_child(bt_add_preset);
|
|
}
|
|
|
|
|
|
|
|
|
|
/////////////////
|
|
|
|
|
|
void ColorPickerButton::_color_changed(const Color& p_color) {
|
|
|
|
update();
|
|
emit_signal("color_changed",p_color);
|
|
}
|
|
|
|
|
|
void ColorPickerButton::pressed() {
|
|
|
|
Size2 ms = Size2(300, picker->get_combined_minimum_size().height+10);
|
|
popup->set_pos(get_global_pos()-Size2(0,ms.height));
|
|
popup->set_size(ms);
|
|
popup->popup();
|
|
}
|
|
|
|
void ColorPickerButton::_notification(int p_what) {
|
|
|
|
|
|
if (p_what==NOTIFICATION_DRAW) {
|
|
|
|
Ref<StyleBox> normal = get_stylebox("normal" );
|
|
draw_rect(Rect2(normal->get_offset(),get_size()-normal->get_minimum_size()),picker->get_color());
|
|
}
|
|
}
|
|
|
|
void ColorPickerButton::set_color(const Color& p_color){
|
|
|
|
|
|
picker->set_color(p_color);
|
|
update();
|
|
}
|
|
Color ColorPickerButton::get_color() const{
|
|
|
|
return picker->get_color();
|
|
}
|
|
|
|
void ColorPickerButton::set_edit_alpha(bool p_show) {
|
|
|
|
picker->set_edit_alpha(p_show);
|
|
}
|
|
|
|
bool ColorPickerButton::is_editing_alpha() const{
|
|
|
|
return picker->is_editing_alpha();
|
|
|
|
}
|
|
|
|
void ColorPickerButton::_bind_methods(){
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_color","color"),&ColorPickerButton::set_color);
|
|
ObjectTypeDB::bind_method(_MD("get_color"),&ColorPickerButton::get_color);
|
|
ObjectTypeDB::bind_method(_MD("set_edit_alpha","show"),&ColorPickerButton::set_edit_alpha);
|
|
ObjectTypeDB::bind_method(_MD("is_editing_alpha"),&ColorPickerButton::is_editing_alpha);
|
|
ObjectTypeDB::bind_method(_MD("_color_changed"),&ColorPickerButton::_color_changed);
|
|
|
|
ADD_SIGNAL( MethodInfo("color_changed",PropertyInfo(Variant::COLOR,"color")));
|
|
ADD_PROPERTY( PropertyInfo(Variant::COLOR,"color"),_SCS("set_color"),_SCS("get_color") );
|
|
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"edit_alpha"),_SCS("set_edit_alpha"),_SCS("is_editing_alpha") );
|
|
|
|
}
|
|
|
|
ColorPickerButton::ColorPickerButton() {
|
|
|
|
popup = memnew( PopupPanel );
|
|
picker = memnew( ColorPicker );
|
|
popup->add_child(picker);
|
|
popup->set_child_rect(picker);
|
|
picker->connect("color_changed",this,"_color_changed");
|
|
add_child(popup);
|
|
}
|
|
|