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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/display/control/canvas-item-rotate.h | |
parent | Initial commit. (diff) | |
download | inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/display/control/canvas-item-rotate.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/display/control/canvas-item-rotate.h b/src/display/control/canvas-item-rotate.h new file mode 100644 index 0000000..a2aebd5 --- /dev/null +++ b/src/display/control/canvas-item-rotate.h @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#ifndef SEEN_CANVAS_ITEM_ROTATE_H +#define SEEN_CANVAS_ITEM_ROTATE_H + +/** + * A class for previewing a canvas rotation. + */ + +/* + * Author: + * Tavmjong Bah + * + * Copyright (C) 2020 Tavmjong Bah + * + * Rewrite of RotateCanvasItem. + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include <2geom/point.h> +#include <2geom/transforms.h> + +#include "canvas-item.h" + +class SPDesktop; + +namespace Inkscape { + +class CanvasRotate; + +namespace UI::Widget { +class Canvas; +} + +class CanvasItemGroup; // A canvas control that contains other canvas controls. + +class CanvasItemRotate : public CanvasItem { + +public: + CanvasItemRotate(CanvasItemGroup *group); + + // Geometry + void update(Geom::Affine const &affine) override; + double closest_distance_to(Geom::Point const &p); // Maybe not needed + + // Selection + bool contains(Geom::Point const &p, double tolerance = 0) override; + + // Display + void render(Inkscape::CanvasItemBuffer *buf) override; + + // Events + bool handle_event(GdkEvent *event) override; + void start(SPDesktop *desktop); + void paint(); + + +protected: + SPDesktop *_desktop = nullptr; + Geom::Point _center; // Center of screen. + Geom::Point _cursor; // Position of cursor relative to center (after angle snapping). + double _current_angle = 0.0; // Rotation in degrees. + double _start_angle = -1000; // Initial angle, determined by cursor position. + Cairo::RefPtr<Cairo::ImageSurface> _surface_copy; // Copy of original surface. +}; + + +} // namespace Inkscape + +#endif // SEEN_CANVAS_ITEM_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 : |