121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/****************************************************************************
|
|
* libs/libnx/nxmu/nx_filltrapezoid.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <string.h>
|
|
#include <mqueue.h>
|
|
#include <errno.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/nx/nx.h>
|
|
#include <nuttx/nx/nxbe.h>
|
|
#include <nuttx/nx/nxmu.h>
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nx_filltrapezoid
|
|
*
|
|
* Description:
|
|
* Fill the specified trapezoidal region in the window with the specified
|
|
* color
|
|
*
|
|
* Input Parameters:
|
|
* hwnd - The window handle
|
|
* clip - Clipping region (may be null)
|
|
* trap - The trapezoidal region to be filled
|
|
* color - The color to use in the fill
|
|
*
|
|
* Returned Value:
|
|
* OK on success; ERROR on failure with errno set appropriately
|
|
*
|
|
****************************************************************************/
|
|
|
|
int nx_filltrapezoid(NXWINDOW hwnd, FAR const struct nxgl_rect_s *clip,
|
|
FAR const struct nxgl_trapezoid_s *trap,
|
|
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
|
|
{
|
|
FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd;
|
|
struct nxsvrmsg_filltrapezoid_s outmsg;
|
|
int i;
|
|
|
|
#ifdef CONFIG_DEBUG_FEATURES
|
|
/* Some debug-only sanity checks */
|
|
|
|
if (wnd == NULL || trap == NULL || color == NULL)
|
|
{
|
|
set_errno(EINVAL);
|
|
return ERROR;
|
|
}
|
|
#endif
|
|
|
|
/* Format the fill command */
|
|
|
|
outmsg.msgid = NX_SVRMSG_FILLTRAP;
|
|
outmsg.wnd = wnd;
|
|
|
|
/* If no clipping window was provided, then use the size of the entire
|
|
* window
|
|
*/
|
|
|
|
if (clip != NULL)
|
|
{
|
|
nxgl_rectcopy(&outmsg.clip, clip);
|
|
}
|
|
else
|
|
{
|
|
struct nxgl_rect_s tmpclip;
|
|
|
|
/* Convert the window bounds to window relative coordinates */
|
|
|
|
nxgl_rectoffset(&tmpclip, &wnd->bounds,
|
|
-wnd->bounds.pt1.x, -wnd->bounds.pt1.y);
|
|
|
|
/* And use that for the clipping winding */
|
|
|
|
nxgl_rectcopy(&outmsg.clip, &tmpclip);
|
|
}
|
|
|
|
/* Copy the trapezod and the color into the message */
|
|
|
|
nxgl_trapcopy(&outmsg.trap, trap);
|
|
|
|
#if CONFIG_NX_NPLANES > 1
|
|
for (i = 0; i < CONFIG_NX_NPLANES; i++)
|
|
#else
|
|
i = 0;
|
|
#endif
|
|
{
|
|
outmsg.color[i] = color[i];
|
|
}
|
|
|
|
/* Forward the trapezoid fill command to the server */
|
|
|
|
return nxmu_sendwindow(wnd, &outmsg,
|
|
sizeof(struct nxsvrmsg_filltrapezoid_s));
|
|
}
|