1 files changed, 93 insertions, 0 deletions
diff --git a/src/ui/tools/dropper-tool.h b/src/ui/tools/dropper-tool.h
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+++ b/src/ui/tools/dropper-tool.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef __SP_DROPPER_CONTEXT_H__
+#define __SP_DROPPER_CONTEXT_H__
+
+/*
+ * Tool for picking colors from drawing
+ *
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *
+ * Copyright (C) 1999-2002 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <2geom/point.h>
+
+#include "color-rgba.h"
+#include "ui/tools/tool-base.h"
+
+struct SPCanvasItem;
+
+#define SP_DROPPER_CONTEXT(obj) (dynamic_cast<Inkscape::UI::Tools::DropperTool*>((Inkscape::UI::Tools::ToolBase*)obj))
+#define SP_IS_DROPPER_CONTEXT(obj) (dynamic_cast<const Inkscape::UI::Tools::DropperTool*>((const Inkscape::UI::Tools::ToolBase*)obj) != NULL)
+
+enum {
+      SP_DROPPER_PICK_VISIBLE,
+      SP_DROPPER_PICK_ACTUAL  
+};
+enum {
+  DONT_REDRAW_CURSOR,
+  DRAW_FILL_CURSOR,
+  DRAW_STROKE_CURSOR
+};
+
+namespace Inkscape {
+
+class CanvasItemBpath;
+
+namespace UI {
+namespace Tools {
+
+class DropperTool : public ToolBase {
+public:
+    DropperTool(SPDesktop *desktop);
+    ~DropperTool() override;
+
+    guint32 get_color(bool invert = false, bool non_dropping = false);
+    sigc::signal<void, ColorRGBA *> onetimepick_signal;
+
+protected:
+    bool root_handler(GdkEvent *event) override;
+
+private:
+    // Stored color.
+    double R = 0.0;
+    double G = 0.0;
+    double B = 0.0;
+    double alpha = 0.0;
+    // Stored color taken from canvas. Used by clipboard.
+    // Identical to R, G, B, alpha if dropping disabled.
+    double non_dropping_R = 0.0;
+    double non_dropping_G = 0.0;
+    double non_dropping_B = 0.0;
+    double non_dropping_A = 0.0;
+
+    bool invert = false;   ///< Set color to inverse rgb value
+    bool stroke = false;   ///< Set to stroke color. In dropping mode, set from stroke color
+    bool dropping = false; ///< When true, get color from selected objects instead of canvas
+    bool dragging = false; ///< When true, get average color for region on canvas, instead of a single point
+
+    double radius = 0.0;                       ///< Size of region under dragging mode
+    Inkscape::CanvasItemBpath* area = nullptr; ///< Circle depicting region's borders in dragging mode
+    Geom::Point centre {0, 0};                 ///< Center of region in dragging mode
+
+};
+
+}
+}
+}
+
+#endif
+
+/*
+  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:fileencoding=utf-8:textwidth=99 :