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/*
* Copyright (C) 2024 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2024 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_GRAPHMESH_H_
#define LSP_PLUG_IN_TK_WIDGETS_GRAPH_GRAPHMESH_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(GraphMesh, GraphItem)
prop::Integer sOrigin; // Index of origin
prop::Integer sXAxis; // Index of X axis
prop::Integer sYAxis; // Index of Y axis
prop::Integer sWidth; // Width of the mesh line
prop::Integer sStrobes; // Number of strobes
prop::Boolean sFill; // Fill poly
prop::Color sColor; // Mesh color
prop::Color sFillColor; // Fill color
prop::GraphMeshData sData; // Graph mesh data
LSP_TK_STYLE_DEF_END
}
class GraphMesh: public GraphItem
{
public:
static const w_class_t metadata;
public:
enum coord_t
{
COORD_X,
COORD_Y,
STROBE
};
/**
* Waveform transformation function
* @param dst destination buffer to store result
* @param src source buffer to read result
* @param count number of elements to process
* @param coord coordinate type
* @param data supplementary user data
* @return true if modified data has been stored to destination buffer
*/
typedef bool transform_t(float *dst, const float *src, size_t count, coord_t coord, void *data);
protected:
prop::Integer sOrigin; // Index of origin
prop::Integer sXAxis; // Index of X axis
prop::Integer sYAxis; // Index of Y axis
prop::Integer sWidth; // Width of the mesh line
prop::Integer sStrobes; // Number of strobes
prop::Boolean sFill; // Fill poly
prop::Color sColor; // Mesh color
prop::Color sFillColor; // Fill color
prop::GraphMeshData sData; // Graph mesh data
transform_t *pTransform; // Transform function
void *pTrData; // Transform data
float *vBuffer; // Temporary buffer
size_t nCapacity; // Capacity of the temporary buffer
protected:
void do_destroy();
size_t find_offset(size_t *found, const float *v, size_t count, size_t strobes);
size_t get_length(const float *v, size_t off, size_t count);
protected:
virtual void property_changed(Property *prop) override;
public:
explicit GraphMesh(Display *dpy);
GraphMesh(const GraphMesh &) = delete;
GraphMesh(GraphMesh &&) = delete;
virtual ~GraphMesh() override;
GraphMesh & operator = (const GraphMesh &) = delete;
GraphMesh & operator = (GraphMesh &&) = delete;
virtual status_t init() override;
virtual void destroy() override;
public:
void set_transform(transform_t *func, void *data = NULL);
public:
LSP_TK_PROPERTY(Integer, origin, &sOrigin)
LSP_TK_PROPERTY(Integer, haxis, &sXAxis)
LSP_TK_PROPERTY(Integer, vaxis, &sYAxis)
LSP_TK_PROPERTY(Integer, width, &sWidth)
LSP_TK_PROPERTY(Integer, strobes, &sStrobes)
LSP_TK_PROPERTY(Boolean, fill, &sFill)
LSP_TK_PROPERTY(Color, color, &sColor)
LSP_TK_PROPERTY(Color, fill_color, &sFillColor)
LSP_TK_PROPERTY(GraphMeshData, data, &sData)
public:
virtual void render(ws::ISurface *s, const ws::rectangle_t *area, bool force) override;
};
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_WIDGETS_GRAPH_GRAPHMESH_H_ */
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