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author | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
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committer | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
commit | 8a365179eafdf3aea98e60ab9f5882b200d4c759 (patch) | |
tree | 4f38d6d4cd80bd0b6e22e2bb534c3f117ce44e56 /nuttx/graphics/nxtk/nxtk_drawlinewindow.c | |
download | px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.gz px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.bz2 px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.zip |
Fresh import of the PX4 firmware sources.
Diffstat (limited to 'nuttx/graphics/nxtk/nxtk_drawlinewindow.c')
-rw-r--r-- | nuttx/graphics/nxtk/nxtk_drawlinewindow.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/nuttx/graphics/nxtk/nxtk_drawlinewindow.c b/nuttx/graphics/nxtk/nxtk_drawlinewindow.c new file mode 100644 index 000000000..2dfd7e845 --- /dev/null +++ b/nuttx/graphics/nxtk/nxtk_drawlinewindow.c @@ -0,0 +1,138 @@ +/**************************************************************************** + * graphics/nxtk/nxtk_drawlinewindow.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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> +#include <nuttx/nx/nxtk.h> + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxtk_drawlinewindow + * + * Description: + * Fill the specified line in the window with the specified color. This + * is simply a wrapper that uses nxgl_splitline() to break the line into + * trapezoids and call calls nxtk_filltrapwindow() to render the line. + * + * Input Parameters: + * hfwnd - The window handle returned by nxtk_openwindow + * vector - Describes the line to be drawn + * 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 nxtk_drawlinewindow(NXTKWINDOW hfwnd, FAR struct nxgl_vector_s *vector, + nxgl_coord_t width, nxgl_mxpixel_t color[CONFIG_NX_NPLANES]) + +{ + struct nxgl_trapezoid_s trap[3]; + struct nxgl_rect_s rect; + int ret; + +#ifdef CONFIG_DEBUG + if (!hfwnd || !vector || width < 1 || !color) + { + set_errno(EINVAL); + return ERROR; + } +#endif + + ret = nxgl_splitline(vector, trap, &rect, width); + switch (ret) + { + case 0: + ret = nxtk_filltrapwindow(hfwnd, &trap[0], color); + if (ret == OK) + { + ret = nxtk_filltrapwindow(hfwnd, &trap[1], color); + if (ret == OK) + { + ret = nxtk_filltrapwindow(hfwnd, &trap[2], color); + } + } + break; + + case 1: + ret = nxtk_filltrapwindow(hfwnd, &trap[1], color); + break; + + case 2: + ret = nxtk_fillwindow(hfwnd, &rect, color); + break; + + default: + set_errno(EINVAL); + return ERROR; + } + + return ret; +} |