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Diffstat (limited to 'nuttx/graphics/nxsu/nx_open.c')
| -rw-r--r-- | nuttx/graphics/nxsu/nx_open.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/nuttx/graphics/nxsu/nx_open.c b/nuttx/graphics/nxsu/nx_open.c new file mode 100644 index 000000000..f5e07dc5e --- /dev/null +++ b/nuttx/graphics/nxsu/nx_open.c @@ -0,0 +1,218 @@ +/**************************************************************************** + * graphics/nxsu/nx_open.c + * + * Copyright (C) 2008-2010 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 <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <debug.h> + +#include <nuttx/nx/nx.h> +#include "nxfe.h" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static void nxsu_bkgdredraw(NXWINDOW hwnd, + FAR const struct nxgl_rect_s *rect, + bool more, FAR void *arg); + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +const struct nx_callback_s g_bkgdcb = +{ + nxsu_bkgdredraw, /* redraw */ + NULL /* position */ +#ifdef CONFIG_NX_MOUSE + , NULL /* mousein */ +#endif +#ifdef CONFIG_NX_KBD + , NULL /* my kbdin */ +#endif +}; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxsu_bkgdredraw + ****************************************************************************/ + +static void nxsu_bkgdredraw(NXWINDOW hwnd, + FAR const struct nxgl_rect_s *rect, + bool more, FAR void *arg) +{ + FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd; + FAR struct nxbe_state_s *be = wnd->be; + + gvdbg("BG redraw rect={(%d,%d),(%d,%d)}\n", + rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y); + nxbe_fill(wnd, &wnd->bounds, be->bgcolor); +} + +/**************************************************************************** + * Name: nxsu_setup + ****************************************************************************/ + +static inline int nxsu_setup(FAR NX_DRIVERTYPE *dev, + FAR struct nxfe_state_s *fe) +{ + int ret; + + /* Configure the framebuffer device */ + + ret = nxbe_configure(dev, &fe->be); + if (ret < 0) + { + gdbg("nxbe_configure failed: %d\n", -ret); + errno = -ret; + return ERROR; + } + +#if CONFIG_FB_CMAP + ret = nxbe_colormap(dev); + if (ret < 0) + { + gdbg("nxbe_colormap failed: %d\n", -ret); + errno = -ret; + return ERROR; + } +#endif + + /* Initialize the non-NULL elements of the back-end structure window */ + /* Initialize the background window */ + + fe->be.bkgd.be = &fe->be; + fe->be.bkgd.cb = &g_bkgdcb; + + fe->be.bkgd.bounds.pt2.x = fe->be.vinfo.xres - 1; + fe->be.bkgd.bounds.pt2.y = fe->be.vinfo.yres - 1; + + /* Complete initialization of the server state structure. The + * window list contains only one element: The background window + * with nothing else above or below it + */ + + fe->be.topwnd = &fe->be.bkgd; + + /* Initialize the mouse position */ + +#ifdef CONFIG_NX_MOUSE + nxsu_mouseinit(fe->be.vinfo.xres, fe->be.vinfo.yres); +#endif + return OK; +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nx_open + * + * Description: + * Create, initialize and return an NX handle for use in subsequent + * NX API calls. nx_open is the single user equivalent of nx_connect + * plus nx_run. + * + * Input Parameters: + * dev - Vtable "object" of the framebuffer/LCD "driver" to use + * + * Return: + * Success: A non-NULL handle used with subsequent NX accesses + * Failure: NULL is returned and errno is set appropriately + * + ****************************************************************************/ + +NXHANDLE nx_open(FAR NX_DRIVERTYPE *dev) +{ + FAR struct nxfe_state_s *fe; + int ret; + + /* Sanity checking */ + +#ifdef CONFIG_DEBUG + if (!dev) + { + errno = EINVAL; + return NULL; + } +#endif + + /* Allocate the NX state structure */ + + fe = (FAR struct nxfe_state_s *)zalloc(sizeof(struct nxfe_state_s)); + if (!fe) + { + errno = ENOMEM; + return NULL; + } + + /* Initialize and configure the server */ + + ret = nxsu_setup(dev, fe); + if (ret < 0) + { + return NULL; /* nxsu_setup sets errno */ + } + + /* Fill the initial background window */ + + nxbe_fill(&fe->be.bkgd, &fe->be.bkgd.bounds, fe->be.bgcolor); + return (NXHANDLE)fe; +} + |