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/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Details at https://graphviz.org
*************************************************************************/
#include "toolboxcallbacks.h"
#include "viewport.h"
#include "gltemplate.h"
#include <glcomp/glutils.h>
#include "glmotion.h"
#include <stdint.h>
void btnToolZoomOut_clicked(GtkWidget *widget, void *user_data) {
(void)widget;
(void)user_data;
glmotion_zoom_inc(0);
}
void btnToolZoomFit_clicked(GtkWidget *widget, void *user_data) {
(void)widget;
(void)user_data;
const double z = view->active_camera != SIZE_MAX
? view->cameras[view->active_camera]->r
: -view->zoom;
const double GDX = view->bdxRight / z - view->bdxLeft / z;
const double SDX = view->clipX2 - view->clipX1;
const double GDY = view->bdyTop / z - view->bdyBottom / z;
const double SDY = view->clipY2 - view->clipY1;
if (SDX / GDX <= SDY / GDY) {
if (view->active_camera != SIZE_MAX) {
view->cameras[view->active_camera]->r /= SDX / GDX;
} else {
view->zoom /= SDX / GDX;
}
} else {
if (view->active_camera != SIZE_MAX) {
view->cameras[view->active_camera]->r /= SDY / GDY;
} else {
view->zoom /= SDY / GDY;
}
}
btnToolFit_clicked(NULL, NULL);
}
void btnToolFit_clicked(GtkWidget *widget, void *user_data) {
(void)widget;
(void)user_data;
const double z = view->active_camera != SIZE_MAX
? view->cameras[view->active_camera]->r
: view->zoom * -1;
const double gcx = view->bdxLeft / z + (view->bdxRight / z - view->bdxLeft / z) / 2.0;
const double scx = view->clipX1 + (view->clipX2 - view->clipX1) / 2.0;
const double gcy = view->bdyBottom / z + (view->bdyTop / z - view->bdyBottom / z) / 2.0;
const double scy = view->clipY1 + (view->clipY2 - view->clipY1) / 2.0;
if (view->active_camera != SIZE_MAX) {
view->cameras[view->active_camera]->targetx += gcx - scx;
view->cameras[view->active_camera]->targety += gcx - scy;
} else {
view->panx += gcx - scx;
view->pany += gcy - scy;
}
view->Topview->fitin_zoom = view->zoom;
glexpose();
}
void on_btnActivateGraph_clicked(GtkWidget *widget, void *user_data) {
(void)widget;
(void)user_data;
int graphId;
graphId = gtk_combo_box_get_active(view->graphComboBox);
/* fprintf (stderr, "switch to graph %d\n",graphId); */
switch_graph(graphId);
}
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