/**************************************************************************** * graphics/nxbe/nxbe_fill.c * * Copyright (C) 2008-2009, 2011, 2016, 2019 Gregory Nutt. All rights * reserved. * Author: Gregory Nutt * * 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 #include #include #include #include "nxbe.h" /**************************************************************************** * Private Types ****************************************************************************/ struct nxbe_fill_s { struct nxbe_clipops_s cops; nxgl_mxpixel_t color; }; /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Name: nxbe_clipfill * * Description: * Called from nxbe_clipper() to performed the fill operation on visible * portions of the rectangle. * ****************************************************************************/ static void nxbe_clipfill(FAR struct nxbe_clipops_s *cops, FAR struct nxbe_plane_s *plane, FAR const struct nxgl_rect_s *rect) { struct nxbe_fill_s *fillinfo = (struct nxbe_fill_s *)cops; /* Draw the rectangle to the graphics device. */ plane->dev.fillrectangle(&plane->pinfo, rect, fillinfo->color); #ifdef CONFIG_NX_UPDATE /* Notify external logic that the display has been updated */ nxbe_notify_rectangle(plane->driver, rect); #endif } /**************************************************************************** * Name: nxbe_fill_dev * * Description: * Fill the specified rectangle in the window in device memory with the * specified color, performing clipping as needed. * * Input Parameters: * wnd - The window structure reference * rect - The location to be filled * col - The color to use in the fill * * Returned Value: * None * ****************************************************************************/ static inline void nxbe_fill_dev(FAR struct nxbe_window_s *wnd, FAR const struct nxgl_rect_s *rect, nxgl_mxpixel_t color[CONFIG_NX_NPLANES]) { struct nxbe_fill_s info; int i; #if CONFIG_NX_NPLANES > 1 for (i = 0; i < wnd->be->vinfo.nplanes; i++) #else i = 0; #endif { DEBUGASSERT(wnd->be->plane[i].dev.fillrectangle != NULL); /* Fill the visible part of the rectangle */ info.cops.visible = nxbe_clipfill; info.cops.obscured = nxbe_clipnull; info.color = color[i]; nxbe_clipper(wnd->above, rect, NX_CLIPORDER_DEFAULT, &info.cops, &wnd->be->plane[i]); #ifdef CONFIG_NX_SWCURSOR /* Backup and redraw the cursor in the affected region. * * REVISIT: This and the following logic belongs in the function * nxbe_clipfill(). It is here only because the struct nxbe_state_s * (wnd->be) is not available at that point. This may result in an * excessive number of cursor updates. */ nxbe_cursor_backupdraw_dev(wnd->be, rect, i); #endif } } /**************************************************************************** * Name: nxbe_fill_pwfb * * Description: * Fill the specified rectangle in the per-window frame buffer with no * clipping. * * Input Parameters: * wnd - The window structure reference * rect - The location to be filled * col - The color to use in the fill * * Returned Value: * None * ****************************************************************************/ #ifdef CONFIG_NX_RAMBACKED static inline void nxbe_fill_pwfb(FAR struct nxbe_window_s *wnd, FAR const struct nxgl_rect_s *rect, nxgl_mxpixel_t color[CONFIG_NX_NPLANES]) { struct nxgl_rect_s relrect; DEBUGASSERT(wnd->be->plane[0].pwfb.fillrectangle != NULL); /* The rectangle that we receive here is in absolute device coordinates. * We need to restore this to windows relative coordinates. */ nxgl_rectoffset(&relrect, rect, -wnd->bounds.pt1.x, -wnd->bounds.pt1.y); /* Copy the rectangular region to the framebuffer (no clipping). * REVISIT: Assumes a single color plane. */ wnd->be->plane[0].pwfb.fillrectangle(wnd, &relrect, color[0]); } #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: nxbe_fill * * Description: * Fill the specified rectangle in the window with the specified color * * Input Parameters: * wnd - The window structure reference * rect - The location to be filled * col - The color to use in the fill * * Returned Value: * None * ****************************************************************************/ void nxbe_fill(FAR struct nxbe_window_s *wnd, FAR const struct nxgl_rect_s *rect, nxgl_mxpixel_t color[CONFIG_NX_NPLANES]) { struct nxgl_rect_s remaining; DEBUGASSERT(wnd != NULL && rect != NULL && color != NULL); DEBUGASSERT(wnd->be != NULL && wnd->be->plane != NULL); /* Offset the rectangle by the window origin to convert it into a * bounding box */ nxgl_rectoffset(&remaining, rect, wnd->bounds.pt1.x, wnd->bounds.pt1.y); /* Clip to the bounding box to the limits of the window and of the * background screen */ nxgl_rectintersect(&remaining, &remaining, &wnd->bounds); nxgl_rectintersect(&remaining, &remaining, &wnd->be->bkgd.bounds); if (!nxgl_nullrect(&remaining)) { #ifdef CONFIG_NX_RAMBACKED /* If this window supports a pre-window frame buffer then shadow the * full, unclipped bitmap in that framebuffer. */ if (NXBE_ISRAMBACKED(wnd)) { nxbe_fill_pwfb(wnd, &remaining, color); } #endif /* Don't update hidden windows */ if (!NXBE_ISHIDDEN(wnd)) { /* Rend the bitmap directly to the graphics device */ nxbe_fill_dev(wnd, &remaining, color); } } }