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/*
* Copyright (C) 2023 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2023 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-tk-lib
* Created on: 20 авг. 2020 г.
*
* lsp-tk-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-tk-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-tk-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_TK_WIDGETS_GRAPH_GRAPHAXIS_H_
#define LSP_PLUG_IN_TK_WIDGETS_GRAPH_GRAPHAXIS_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
// Style definition
namespace style
{
LSP_TK_STYLE_DEF_BEGIN(GraphAxis, GraphItem)
prop::Vector2D sDirection; // Direction
prop::Float sMin; // Minimum value
prop::Float sMax; // Maximum value
prop::Float sZero; // Value associated with zero
prop::Boolean sLogScale; // Logarithmic flag
prop::Boolean sBasis; // Basis flag
prop::Integer sWidth; // Thickness
prop::Float sLength; // Length of the axis
prop::Integer sOrigin; // Origin index
prop::Color sColor; // Color of the axis
LSP_TK_STYLE_DEF_END
}
class GraphAxis: public GraphItem
{
public:
static const w_class_t metadata;
protected:
prop::Vector2D sDirection; // Direction
prop::Float sMin; // Minimum value
prop::Float sMax; // Maximum value
prop::Float sZero; // Value associated with zero
prop::Boolean sLogScale; // Logarithmic flag
prop::Boolean sBasis; // Basis flag
prop::Integer sWidth; // Thickness
prop::Float sLength; // Length of the axis
prop::Integer sOrigin; // Origin index
prop::Color sColor; // Color of the axis
protected:
virtual void property_changed(Property *prop);
public:
explicit GraphAxis(Display *dpy);
GraphAxis(const GraphAxis &) = delete;
GraphAxis(GraphAxis &&) = delete;
virtual ~GraphAxis();
GraphAxis & operator = (const GraphAxis &) = delete;
GraphAxis & operator = (GraphAxis &&) = delete;
virtual status_t init();
public:
LSP_TK_PROPERTY(Vector2D, direction, &sDirection);
LSP_TK_PROPERTY(Float, min, &sMin);
LSP_TK_PROPERTY(Float, max, &sMax);
LSP_TK_PROPERTY(Float, zero, &sZero);
LSP_TK_PROPERTY(Boolean, log_scale, &sLogScale);
LSP_TK_PROPERTY(Boolean, basis, &sBasis);
LSP_TK_PROPERTY(Integer, width, &sWidth);
LSP_TK_PROPERTY(Float, length, &sLength);
LSP_TK_PROPERTY(Integer, origin, &sOrigin);
LSP_TK_PROPERTY(Color, color, &sColor);
public:
bool apply(float *x, float *y, const float *dv, size_t count);
float project(float x, float y);
bool parallel(float x, float y, float &a, float &b, float &c);
void ortogonal_shift(float x, float y, float shift, float &nx, float &ny);
bool angle(float x, float y, float angle, float &a, float &b, float &c);
void rotate_shift(float x, float y, float angle, float shift, float &nx, float &ny);
public:
virtual void render(ws::ISurface *s, const ws::rectangle_t *area, bool force);
};
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_WIDGETS_GRAPH_GRAPHAXIS_H_ */
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