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Diffstat (limited to 'nuttx/graphics/nxconsole/nx_register.c')
-rw-r--r-- | nuttx/graphics/nxconsole/nx_register.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/nuttx/graphics/nxconsole/nx_register.c b/nuttx/graphics/nxconsole/nx_register.c new file mode 100644 index 000000000..8ebe0c0d5 --- /dev/null +++ b/nuttx/graphics/nxconsole/nx_register.c @@ -0,0 +1,193 @@ +/**************************************************************************** + * nuttx/graphics/nxconsole/nx_register.c + * + * Copyright (C) 2012 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 <nuttx/nx/nx.h> +#include <nuttx/nx/nxconsole.h> + +#include "nxcon_internal.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static int nxcon_fill(FAR struct nxcon_state_s *priv, + FAR const struct nxgl_rect_s *rect, + nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES]); +#ifndef CONFIG_NX_WRITEONLY +static int nxcon_move(FAR struct nxcon_state_s *priv, + FAR const struct nxgl_rect_s *rect, + FAR const struct nxgl_point_s *offset); +#endif +static int nxcon_bitmap(FAR struct nxcon_state_s *priv, + FAR const struct nxgl_rect_s *dest, + FAR const void *src[CONFIG_NX_NPLANES], + FAR const struct nxgl_point_s *origin, + unsigned int stride); + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static const struct nxcon_operations_s g_nxops = +{ + nxcon_fill, +#ifndef CONFIG_NX_WRITEONLY + nxcon_move, +#endif + nxcon_bitmap +}; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxcon_fill + * + * Description: + * Fill the specified rectangle in the window with the specified color + * + * Input Parameters: + * priv - The driver state structure. + * rect - The location to be filled + * color - The color to use in the fill + * + * Return: + * OK on success; ERROR on failure with errno set appropriately + * + ****************************************************************************/ + +static int nxcon_fill(FAR struct nxcon_state_s *priv, + FAR const struct nxgl_rect_s *rect, + nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES]) +{ + return nx_fill((NXWINDOW)priv->handle, rect, wcolor); +} + +/**************************************************************************** + * Name: nxcon_move + * + * Description: + * Move a rectangular region within the window + * + * Input Parameters: + * priv - The driver state structure. + * rect - Describes the rectangular region to move + * offset - The offset to move the region. The rectangular region will be + * moved so that the origin is translated by this amount. + * + * Return: + * OK on success; ERROR on failure with errno set appropriately + * + ****************************************************************************/ + +#ifndef CONFIG_NX_WRITEONLY +static int nxcon_move(FAR struct nxcon_state_s *priv, + FAR const struct nxgl_rect_s *rect, + FAR const struct nxgl_point_s *offset) +{ + return nx_move((NXWINDOW)priv->handle, rect, offset); +} +#endif + +/**************************************************************************** + * Name: nxcon_bitmap + * + * Description: + * Copy a rectangular region of a larger image into the rectangle in the + * specified window. + * + * Input Parameters: + * priv - The driver state structure. + * dest - Describes the rectangular region on the display that will + * receive the bit map. + * src - The start of the source image. This is an array source + * images of size CONFIG_NX_NPLANES. + * origin - The origin of the upper, left-most corner of the full bitmap. + * Both dest and origin are in window coordinates, however, origin + * may lie outside of the display. + * stride - The width of the full source image in bytes. + * + * Return: + * OK on success; ERROR on failure with errno set appropriately + * + ****************************************************************************/ + +static int nxcon_bitmap(FAR struct nxcon_state_s *priv, + FAR const struct nxgl_rect_s *dest, + FAR const void *src[CONFIG_NX_NPLANES], + FAR const struct nxgl_point_s *origin, + unsigned int stride) +{ + return nx_bitmap((NXWINDOW)priv->handle, dest, src, origin, stride); +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nx_register + * + * Description: + * Register a console device on a raw NX window. The device will be + * registered at /dev/nxconN where N is the provided minor number. + * + * Input Parameters: + * hwnd - A handle that will be used to access the window. The window must + * persist and this handle must be valid for the life of the NX console. + * wndo - Describes the window and font to be used + * minor - The device minor number + * + * Return: + * A non-NULL handle is returned on success. + * + ****************************************************************************/ + +NXCONSOLE nx_register(NXWINDOW hwnd, FAR struct nxcon_window_s *wndo, int minor) +{ + return nxcon_register((NXCONSOLE)hwnd, wndo, &g_nxops, minor); +} + |