156 lines
5.1 KiB
C
156 lines
5.1 KiB
C
/****************************************************************************
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* graphics/nxbe/nxbe_fill.c
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*
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* Copyright (C) 2008-2009, 2011, 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/nx/nxglib.h>
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#include <nuttx/nx/nx.h>
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#include "nxbe.h"
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct nxbe_fill_s
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{
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struct nxbe_clipops_s cops;
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nxgl_mxpixel_t color;
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxbe_clipfill
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*
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* Description:
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* Called from nxbe_clipper() to performed the fill operation on visible portions
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* of the rectangle.
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*
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****************************************************************************/
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static void nxbe_clipfill(FAR struct nxbe_clipops_s *cops,
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FAR struct nxbe_plane_s *plane,
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FAR const struct nxgl_rect_s *rect)
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{
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struct nxbe_fill_s *fillinfo = (struct nxbe_fill_s *)cops;
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/* Draw the rectangle */
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plane->fillrectangle(&plane->pinfo, rect, fillinfo->color);
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#ifdef CONFIG_NX_UPDATE
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/* Notify external logic that the display has been updated */
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nx_notify_rectangle(&plane->pinfo, rect);
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#endif
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxbe_fill
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*
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* Description:
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* Fill the specified rectangle in the window with the specified color
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*
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* Input Parameters:
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* wnd - The window structure reference
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* rect - The location to be filled
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* col - The color to use in the fill
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*
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* Return:
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* None
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*
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****************************************************************************/
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void nxbe_fill(FAR struct nxbe_window_s *wnd,
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FAR const struct nxgl_rect_s *rect,
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nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
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{
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struct nxbe_fill_s info;
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struct nxgl_rect_s remaining;
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int i;
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#ifdef CONFIG_DEBUG_FEATURES
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if (!wnd || !rect)
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{
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return;
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}
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#endif
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/* Offset the rectangle by the window origin to convert it into a
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* bounding box
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*/
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nxgl_rectoffset(&remaining, rect, wnd->bounds.pt1.x, wnd->bounds.pt1.y);
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/* Clip to the bounding box to the limits of the window and of the
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* background screen
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*/
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nxgl_rectintersect(&remaining, &remaining, &wnd->bounds);
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nxgl_rectintersect(&remaining, &remaining, &wnd->be->bkgd.bounds);
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/* Then clip the bounding box due to other windows above this one.
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* Render the portions of the trapezoid exposed in visible regions.
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*/
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if (!nxgl_nullrect(&remaining))
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{
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#if CONFIG_NX_NPLANES > 1
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for (i = 0; i < wnd->be->vinfo.nplanes; i++)
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#else
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i = 0;
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#endif
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{
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info.cops.visible = nxbe_clipfill;
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info.cops.obscured = nxbe_clipnull;
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info.color = color[i];
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nxbe_clipper(wnd->above, &remaining, NX_CLIPORDER_DEFAULT,
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&info.cops, &wnd->be->plane[i]);
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}
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}
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}
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