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Diffstat (limited to 'include/gwin/graph.h')
| -rw-r--r-- | include/gwin/graph.h | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/include/gwin/graph.h b/include/gwin/graph.h deleted file mode 100644 index 65a64126..00000000 --- a/include/gwin/graph.h +++ /dev/null @@ -1,186 +0,0 @@ -/* - * This file is subject to the terms of the GFX License. If a copy of - * the license was not distributed with this file, you can obtain one at: - * - * http://ugfx.org/license.html - */ - -/** - * @file include/gwin/graph.h - * @brief GWIN GRAPH module header file. - * - * @defgroup Graph Graph - * @ingroup GWIN - * - * @details GWIN allows it to easily draw graphs. - * @pre GFX_USE_GWIN must be set to TRUE in your gfxconf.h - * @pre GWIN_NEED_GRAPH must be set to TRUE in your gfxconf.h - * - * @{ - */ - -#ifndef _GWIN_GRAPH_H -#define _GWIN_GRAPH_H - -/* This file is included within "gwin/gwin.h" */ - -typedef enum GGraphPointType_e { - GGRAPH_POINT_NONE, GGRAPH_POINT_DOT, GGRAPH_POINT_SQUARE, GGRAPH_POINT_CIRCLE - } GGraphPointType; - -typedef struct GGraphPointStyle_t { - GGraphPointType type; - coord_t size; - color_t color; - } GGraphPointStyle; - -typedef enum GGraphLineType_e { - GGRAPH_LINE_NONE, GGRAPH_LINE_SOLID, GGRAPH_LINE_DOT, GGRAPH_LINE_DASH - } GGraphLineType; - -typedef struct GGraphLineStyle_t { - GGraphLineType type; - coord_t size; - color_t color; - } GGraphLineStyle; - -typedef struct GGraphGridStyle_t { - GGraphLineType type; - coord_t size; - color_t color; - coord_t spacing; - } GGraphGridStyle; - -typedef struct GGraphStyle_t { - GGraphPointStyle point; - GGraphLineStyle line; - GGraphLineStyle xaxis; - GGraphLineStyle yaxis; - GGraphGridStyle xgrid; - GGraphGridStyle ygrid; - uint16_t flags; - #define GWIN_GRAPH_STYLE_XAXIS_POSITIVE_ARROWS 0x0001 - #define GWIN_GRAPH_STYLE_XAXIS_NEGATIVE_ARROWS 0x0002 - #define GWIN_GRAPH_STYLE_YAXIS_POSITIVE_ARROWS 0x0004 - #define GWIN_GRAPH_STYLE_YAXIS_NEGATIVE_ARROWS 0x0008 - #define GWIN_GRAPH_STYLE_POSITIVE_AXIS_ARROWS (GWIN_GRAPH_STYLE_XAXIS_POSITIVE_ARROWS|GWIN_GRAPH_STYLE_YAXIS_POSITIVE_ARROWS) - #define GWIN_GRAPH_STYLE_NEGATIVE_AXIS_ARROWS (GWIN_GRAPH_STYLE_XAXIS_NEGATIVE_ARROWS|GWIN_GRAPH_STYLE_YAXIS_NEGATIVE_ARROWS) - #define GWIN_GRAPH_STYLE_XAXIS_ARROWS (GWIN_GRAPH_STYLE_XAXIS_POSITIVE_ARROWS|GWIN_GRAPH_STYLE_XAXIS_NEGATIVE_ARROWS) - #define GWIN_GRAPH_STYLE_YAXIS_ARROWS (GWIN_GRAPH_STYLE_YAXIS_POSITIVE_ARROWS|GWIN_GRAPH_STYLE_YAXIS_NEGATIVE_ARROWS) - #define GWIN_GRAPH_STYLE_ALL_AXIS_ARROWS (GWIN_GRAPH_STYLE_XAXIS_ARROWS|GWIN_GRAPH_STYLE_YAXIS_ARROWS) -} GGraphStyle; - -// A graph window -typedef struct GGraphObject { - GWindowObject g; - GGraphStyle style; - coord_t xorigin, yorigin; - coord_t lastx, lasty; - } GGraphObject; - -/*===========================================================================*/ -/* External declarations. */ -/*===========================================================================*/ - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * @brief Create a graph window. - * @return NULL if there is no resultant drawing area, otherwise a window handle. - * - * @param[in] g The GDisplay to display this window on - * @param[in] gg The GGraphObject structure to initialise. If this is NULL the structure is dynamically allocated. - * @param[in] pInit The initialization parameters to use - * - * @note The drawing color and the background color get set to the current defaults. If you haven't called - * @p gwinSetDefaultColor() or @p gwinSetDefaultBgColor() then these are White and Black respectively. - * @note The font gets set to the current default font. If you haven't called @p gwinSetDefaultFont() then there - * is no default font and text drawing operations will no nothing. - * @note The dimensions and position may be changed to fit on the real screen. - * @note A graph does not save the drawing state. It is not automatically redrawn if the window is moved or - * its visibility state is changed. - * @note The coordinate system within the window for graphing operations (but not for any other drawing - * operation) is relative to the bottom left corner and then shifted right and up by the specified - * graphing x and y origin. Note that this system is inverted in the y direction relative to the display. - * This gives the best graphing arrangement ie. increasing y values are closer to the top of the display. - * - * @api - */ -GHandle gwinGGraphCreate(GDisplay *g, GGraphObject *gg, const GWindowInit *pInit); -#define gwinGraphCreate(gg, pInit) gwinGGraphCreate(GDISP, gg, pInit) - -/** - * @brief Set the style of the graphing operations. - * - * @param[in] gh The window handle (must be a graph window) - * @param[in] pstyle The graph style to set. - * @note The graph is not automatically redrawn. The new style will apply to any new drawing operations. - * - * @api - */ -void gwinGraphSetStyle(GHandle gh, const GGraphStyle *pstyle); - -/** - * @brief Set the origin for graphing operations. - * - * @param[in] gh The window handle (must be a graph window) - * @param[in] x, y The new origin for the graph (in graph coordinates relative to the bottom left corner). - * @note The graph is not automatically redrawn. The new origin will apply to any new drawing operations. - * - * @api - */ -void gwinGraphSetOrigin(GHandle gh, coord_t x, coord_t y); - -/** - * @brief Draw the axis and the background grid. - * - * @param[in] gh The window handle (must be a graph window) - * @note The graph is not automatically cleared. You must do that first by calling gwinClear(). - * - * @api - */ -void gwinGraphDrawAxis(GHandle gh); - -/** - * @brief Start a new set of graphing data. - * @details This prevents a line being drawn from the last data point to the next point to be drawn. - * - * @param[in] gh The window handle (must be a graph window) - * - * @api - */ -void gwinGraphStartSet(GHandle gh); - -/** - * @brief Draw a graph point. - * @details A graph point and a line connecting to the previous point will be drawn. - * - * @param[in] gh The window handle (must be a graph window) - * @param[in] x, y The new point for the graph. - * - * @api - */ -void gwinGraphDrawPoint(GHandle gh, coord_t x, coord_t y); - -/** - * @brief Draw multiple graph points. - * @details A graph point and a line connecting to each previous point will be drawn. - * - * @param[in] gh The window handle (must be a graph window) - * @param[in] points The array of points for the graph. - * @param[in] count The number of points in the array. - * @note This is slightly more efficient than calling gwinGraphDrawPoint() repeatedly. - * - * @api - */ -void gwinGraphDrawPoints(GHandle gh, const point *points, unsigned count); - -#ifdef __cplusplus -} -#endif - -#endif /* _GWIN_GRAPH_H */ -/** @} */ - |