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Diffstat (limited to '')
-rw-r--r-- | src/display/control/canvas-item-text.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/display/control/canvas-item-text.h b/src/display/control/canvas-item-text.h new file mode 100644 index 0000000..c5d5cff --- /dev/null +++ b/src/display/control/canvas-item-text.h @@ -0,0 +1,92 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#ifndef SEEN_CANVAS_ITEM_TEXT_H +#define SEEN_CANVAS_ITEM_TEXT_H + +/** + * A class to represent on-screen text. + */ + +/* + * Author: + * Tavmjong Bah + * + * Copyright (C) 2020 Tavmjong Bah + * + * Rewrite of SPCanvasText. + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include <glibmm/ustring.h> + +#include <2geom/point.h> +#include <2geom/transforms.h> + +#include "canvas-item.h" + +namespace Inkscape { + +namespace UI::Widget { +class Canvas; +} + +class CanvasItemGroup; // A canvas control that contains other canvas controls. + +class CanvasItemText : public CanvasItem { + +public: + CanvasItemText(CanvasItemGroup *group); + CanvasItemText(CanvasItemGroup *group, Geom::Point const &p, Glib::ustring text); + + // Geometry + void set_coord(Geom::Point const &p); + void set_bg_radius(double const &rad); + + 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; + + // Properties + void set_text(Glib::ustring const &text); + void set_fontsize(double fontsize); + void set_background(guint32 background); + void set_anchor(Geom::Point const &anchor_pt); + void set_adjust(Geom::Point const &adjust_pt); + void set_fixed_line(bool fixed_line); + +protected: + Geom::Point _p; // Position of text (not box around text). + Cairo::TextExtents _text_extent; + Cairo::TextExtents _text_size; + Geom::Point _anchor_position; + Geom::Point _adjust_offset; + Glib::ustring _text; + std::string _fontname = "sans-serif"; + double _fontsize = 10; + double _bg_rad = 0; + guint32 _background = 0x0000007f; + bool _use_background = false; + bool _fixed_line = false; // Correction for font heights + const double _border = 3; // Must be a const to allow alignment with other text boxes. +}; + + +} // namespace Inkscape + +#endif // SEEN_CANVAS_ITEM_TEXT_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 : |