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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_SP_CANVAS_ROTATE_H
#define SEEN_SP_CANVAS_ROTATE_H
/*
* Temporary surface for previewing rotated canvas.
*
* Author:
* Tavmjong Bah <tavmjong@free.fr>
*
* Copyright (C) 2017 Tavmjong Bah
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "sp-canvas-item.h"
#include "2geom/line.h"
class SPItem;
#define SP_TYPE_CANVAS_ROTATE (sp_canvas_rotate_get_type ())
#define SP_CANVAS_ROTATE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_CANVAS_ROTATE, SPCanvasRotate))
#define SP_IS_CANVAS_ROTATE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_CANVAS_ROTATE))
struct SPCanvasRotate : public SPCanvasItem {
Geom::Point center; // Center of screen
Geom::Point cursor; // Position of cursor relative to center (after angle snapping)
double angle; // Rotation angle in degrees
double start_angle; // Starting angle of cursor
cairo_surface_t *surface_copy; // Copy of original surface
cairo_surface_t *surface_rotated; // Copy of original surface, rotated
};
void sp_canvas_rotate_start( SPCanvasRotate *canvas_rotate, cairo_surface_t *background );
GType sp_canvas_rotate_get_type ();
struct SPCanvasRotateClass : public SPCanvasItemClass{};
#endif // SEEN_SP_CANVAS_ROTATE_H
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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