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- /****************************************************************************
- * graphics/nxtk/nxtk_filltrapwindow.c
- *
- * Copyright (C) 2008-2009 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 <stdlib.h>
- #include <errno.h>
- #include <debug.h>
- #include <nuttx/nx/nx.h>
- #include <nuttx/nx/nxtk.h>
- #include "nxfe.h"
- #include "nxtk_internal.h"
- /****************************************************************************
- * Pre-Processor Definitions
- ****************************************************************************/
- /****************************************************************************
- * Private Types
- ****************************************************************************/
- /****************************************************************************
- * Private Data
- ****************************************************************************/
- /****************************************************************************
- * Public Data
- ****************************************************************************/
- /****************************************************************************
- * Private Functions
- ****************************************************************************/
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
- /****************************************************************************
- * Name: nxtk_filltrapwindow
- *
- * Description:
- * Fill the specified rectangle in the client window with the specified color
- *
- * Input Parameters:
- * hfwnd - The window handle returned by nxtk_openwindow
- * trap - The trapezoidal region to be filled
- * color - The color to use in the fill
- *
- * Return:
- * OK on success; ERROR on failure with errno set appropriately
- *
- ****************************************************************************/
- int nxtk_filltrapwindow(NXTKWINDOW hfwnd, FAR const struct nxgl_trapezoid_s *trap,
- nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
- {
- FAR struct nxtk_framedwindow_s *fwnd = (FAR struct nxtk_framedwindow_s *)hfwnd;
- struct nxgl_rect_s relclip;
- struct nxgl_trapezoid_s reltrap;
- #ifdef CONFIG_DEBUG
- if (!hfwnd || !trap || !color)
- {
- errno = EINVAL;
- return ERROR;
- }
- #endif
- /* Move the trapezoid from window contents area to window area */
- nxgl_trapoffset(&reltrap, trap,
- fwnd->fwrect.pt1.x - fwnd->wnd.bounds.pt1.x,
- fwnd->fwrect.pt1.y - fwnd->wnd.bounds.pt1.y);
-
- /* Perform the fill, clipping to the client window */
- nxgl_rectoffset(&relclip, &fwnd->fwrect, -fwnd->wnd.bounds.pt1.x, -fwnd->wnd.bounds.pt1.y);
-
- return nx_filltrapezoid((NXWINDOW)hfwnd, &relclip, &reltrap, color);
- }
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