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Diffstat (limited to 'nuttx/graphics/nxsu/nx_drawcircle.c')
-rw-r--r-- | nuttx/graphics/nxsu/nx_drawcircle.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/nuttx/graphics/nxsu/nx_drawcircle.c b/nuttx/graphics/nxsu/nx_drawcircle.c deleted file mode 100644 index 30b307219..000000000 --- a/nuttx/graphics/nxsu/nx_drawcircle.c +++ /dev/null @@ -1,145 +0,0 @@ -/**************************************************************************** - * graphics/nxsu/nx_drawcircle.c - * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <sys/types.h> -#include <debug.h> -#include <errno.h> - -#include <nuttx/nx/nxglib.h> -#include <nuttx/nx/nx.h> - -/**************************************************************************** - * Pre-Processor Definitions - ****************************************************************************/ -/* Named indices into the 16 circle points generated by nxgl_circlepts */ - -#define POINT_0p0 0 -#define POINT_22p5 1 -#define POINT_45p0 2 -#define POINT_67p5 3 -#define POINT_90p0 4 -#define POINT_112p5 5 -#define POINT_135p0 6 -#define POINT_157p5 7 -#define POINT_180p0 8 -#define POINT_202p5 9 -#define POINT_225p0 10 -#define POINT_247p5 11 -#define POINT_270p0 12 -#define POINT_292p5 13 -#define POINT_315p0 14 -#define POINT_337p5 15 -#define NCIRCLE_POINTS 16 - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nx_drawcircle - * - * Description: - * Draw a circular outline using the specified line thickness and color. - * - * Input Parameters: - * hwnd - The window handle - * center - A pointer to the point that is the center of the circle - * radius - The radius of the circle in pixels. - * width - The width of the line - * color - The color to use to fill the line - * - * Return: - * OK on success; ERROR on failure with errno set appropriately - * - ****************************************************************************/ - -int nx_drawcircle(NXWINDOW hwnd, FAR const struct nxgl_point_s *center, - nxgl_coord_t radius, nxgl_coord_t width, - nxgl_mxpixel_t color[CONFIG_NX_NPLANES]) -{ - struct nxgl_point_s pts[NCIRCLE_POINTS]; - FAR struct nxgl_vector_s vector; - int i; - int ret; - - /* Convert the circle to a set of 16 points */ - - nxgl_circlepts(center, radius, pts); - - /* Draw each pair of points as a vector */ - - for (i = POINT_0p0; i < POINT_337p5; i++) - { - vector.pt1.x = pts[i].x; - vector.pt1.y = pts[i].y; - vector.pt2.x = pts[i+1].x; - vector.pt2.y = pts[i+1].y; - ret = nx_drawline(hwnd, &vector, width, color); - if (ret != OK) - { - return ret; - } - } - - /* The final, closing vector is a special case */ - - vector.pt1.x = pts[POINT_337p5].x; - vector.pt1.y = pts[POINT_337p5].y; - vector.pt2.x = pts[POINT_0p0].x; - vector.pt2.y = pts[POINT_0p0].y; - return nx_drawline(hwnd, &vector, width, color); -} |