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https://github.com/apache/nuttx.git
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Add support for trapezoidal fills
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1323 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
parent
7ae6a40baa
commit
5638ac274f
10 changed files with 464 additions and 62 deletions
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@ -37,5 +37,5 @@ NXBE_ASRCS =
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NXBE_CSRCS = nxbe_fbconfigure.c nxbe_colormap.c nxbe_clipper.c \
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nxbe_closewindow.c \
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nxbe_setposition.c nxbe_setsize.c nxbe_raise.c nxbe_lower.c \
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nxbe_fill.c nxbe_move.c nxbe_bitmap.c \
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nxbe_fill.c nxbe_filltrapezoid.c nxbe_move.c nxbe_bitmap.c \
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nxbe_redraw.c nxbe_redrawbelow.c
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@ -55,13 +55,6 @@
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# define CONFIG_NX_NPLANES 1 /* Max number of color planes supported */
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#endif
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/* Mnemonics for indices */
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#define NX_TOP_NDX (0)
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#define NX_LEFT_NDX (1)
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#define NX_RIGHT_NDX (2)
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#define NX_BOTTOM_NDX (3)
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/* These are the values for the clipping order provided to nx_clipper */
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#define NX_CLIPORDER_TLRB (0) /* Top-left-right-bottom */
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@ -87,6 +80,10 @@ struct nxbe_plane_s
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void (*fillrectangle)(FAR struct fb_planeinfo_s *pinfo,
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FAR const struct nxgl_rect_s *rect,
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nxgl_mxpixel_t color);
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void (*filltrapezoid)(FAR struct fb_planeinfo_s *pinfo,
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FAR const struct nxgl_trapezoid_s *trap,
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FAR const struct nxgl_rect_s *bounds,
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nxgl_mxpixel_t color);
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void (*moverectangle)(FAR struct fb_planeinfo_s *pinfo,
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FAR const struct nxgl_rect_s *rect,
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FAR struct nxgl_point_s *offset);
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@ -128,6 +128,7 @@ int nxbe_fbconfigure(FAR struct fb_vtable_s *fb, FAR struct nxbe_state_s *be)
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if (be->plane[i].pinfo.bpp == 1)
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{
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be->plane[i].fillrectangle = nxgl_fillrectangle_1bpp;
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be->plane[i].filltrapezoid = nxgl_filltrapezoid_1bpp;
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be->plane[i].moverectangle = nxgl_moverectangle_1bpp;
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be->plane[i].copyrectangle = nxgl_copyrectangle_1bpp;
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}
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@ -137,6 +138,7 @@ int nxbe_fbconfigure(FAR struct fb_vtable_s *fb, FAR struct nxbe_state_s *be)
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if (be->plane[i].pinfo.bpp == 2)
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{
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be->plane[i].fillrectangle = nxgl_fillrectangle_2bpp;
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be->plane[i].filltrapezoid = nxgl_filltrapezoid_2bpp;
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be->plane[i].moverectangle = nxgl_moverectangle_2bpp;
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be->plane[i].copyrectangle = nxgl_copyrectangle_2bpp;
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}
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@ -146,6 +148,7 @@ int nxbe_fbconfigure(FAR struct fb_vtable_s *fb, FAR struct nxbe_state_s *be)
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if (be->plane[i].pinfo.bpp == 4)
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{
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be->plane[i].fillrectangle = nxgl_fillrectangle_4bpp;
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be->plane[i].filltrapezoid = nxgl_filltrapezoid_4bpp;
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be->plane[i].moverectangle = nxgl_moverectangle_4bpp;
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be->plane[i].copyrectangle = nxgl_copyrectangle_4bpp;
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}
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@ -155,6 +158,7 @@ int nxbe_fbconfigure(FAR struct fb_vtable_s *fb, FAR struct nxbe_state_s *be)
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if (be->plane[i].pinfo.bpp == 8)
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{
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be->plane[i].fillrectangle = nxgl_fillrectangle_8bpp;
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be->plane[i].filltrapezoid = nxgl_filltrapezoid_8bpp;
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be->plane[i].moverectangle = nxgl_moverectangle_8bpp;
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be->plane[i].copyrectangle = nxgl_copyrectangle_8bpp;
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}
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@ -164,6 +168,7 @@ int nxbe_fbconfigure(FAR struct fb_vtable_s *fb, FAR struct nxbe_state_s *be)
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if (be->plane[i].pinfo.bpp == 16)
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{
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be->plane[i].fillrectangle = nxgl_fillrectangle_16bpp;
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be->plane[i].filltrapezoid = nxgl_filltrapezoid_16bpp;
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be->plane[i].moverectangle = nxgl_moverectangle_16bpp;
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be->plane[i].copyrectangle = nxgl_copyrectangle_16bpp;
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}
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@ -173,6 +178,7 @@ int nxbe_fbconfigure(FAR struct fb_vtable_s *fb, FAR struct nxbe_state_s *be)
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if (be->plane[i].pinfo.bpp == 24)
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{
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be->plane[i].fillrectangle = nxgl_fillrectangle_24bpp;
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be->plane[i].filltrapezoid = nxgl_filltrapezoid_24bpp;
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be->plane[i].moverectangle = nxgl_moverectangle_24bpp;
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be->plane[i].copyrectangle = nxgl_copyrectangle_24bpp;
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}
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@ -182,6 +188,7 @@ int nxbe_fbconfigure(FAR struct fb_vtable_s *fb, FAR struct nxbe_state_s *be)
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if (be->plane[i].pinfo.bpp == 32)
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{
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be->plane[i].fillrectangle = nxgl_fillrectangle_32bpp;
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be->plane[i].filltrapezoid = nxgl_filltrapezoid_32bpp;
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be->plane[i].moverectangle = nxgl_moverectangle_32bpp;
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be->plane[i].copyrectangle = nxgl_copyrectangle_32bpp;
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}
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@ -121,15 +121,23 @@ void nxbe_fill(FAR struct nxbe_window_s *wnd,
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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 bounding box */
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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->origin.x, wnd->origin.y);
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/* Clip to the limits of the window and of the background screen */
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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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@ -143,7 +151,7 @@ void nxbe_fill(FAR struct nxbe_window_s *wnd,
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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[0]);
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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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162
graphics/nxbe/nxbe_filltrapezoid.c
Normal file
162
graphics/nxbe/nxbe_filltrapezoid.c
Normal file
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@ -0,0 +1,162 @@
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/****************************************************************************
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* graphics/nxbe/nxbe_filltrapezoid.c
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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 <sys/types.h>
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#include <fixedmath.h>
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#include <nuttx/nxglib.h>
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#include "nxbe.h"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct nxbe_filltrap_s
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{
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struct nxbe_clipops_s cops;
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struct nxgl_trapezoid_s trap;
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nxgl_mxpixel_t color;
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};
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Public Data
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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_clipfilltrapezoid
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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_clipfilltrapezoid(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_filltrap_s *fillinfo = (struct nxbe_filltrap_s *)cops;
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plane->filltrapezoid(&plane->pinfo, &fillinfo->trap, rect, fillinfo->color);
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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_filltrapezoid
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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_filltrapezoid(FAR struct nxbe_window_s *wnd,
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FAR const struct nxgl_trapezoid_s *trap,
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nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
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{
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struct nxbe_filltrap_s info;
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struct nxgl_rect_s bounds;
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struct nxgl_rect_s remaining;
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int i;
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#ifdef CONFIG_DEBUG
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if (!wnd || !trap)
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{
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return;
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}
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#endif
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/* Offset the trapezoid by the window origin to position it within
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* the framebuffer region
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*/
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nxgl_trapoffset(&info.trap, trap, wnd->origin.x, wnd->origin.y);
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/* Now create a bounding box that contains the trapezoid */
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bounds.pt1.x = b16toi(ngl_min(info.trap.top.x1, info.trap.bot.x1));
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bounds.pt1.y = b16toi(info.trap.top.y);
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bounds.pt2.x = b16toi(ngl_max(info.trap.top.x2, info.trap.bot.x2));
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bounds.pt2.y = b16toi(info.trap.bot.y);
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/* Clip to the limits of the window and of the background screen */
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nxgl_rectintersect(&remaining, &bounds, &wnd->bounds);
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nxgl_rectintersect(&remaining, &remaining, &wnd->be->bkgd.bounds);
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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_clipfilltrapezoid;
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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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@ -51,10 +51,12 @@ RMOVE2_CSRCS = nxglib_moverectangle_8bpp.c nxglib_moverectangle_16bpp.c \
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# nxglib_copyrectangle_4bpp.c
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RCOPY2_CSRCS = nxglib_copyrectangle_8bpp.c nxglib_copyrectangle_16bpp.c \
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nxglib_copyrectangle_24bpp.c nxglib_copyrectangle_32bpp.c
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RECT_CRCS = nxglib_rectcopy.c nxglib_rectoffset.c nxglib_vectoradd.c \
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RECT_CSRCS = nxglib_rectcopy.c nxglib_rectoffset.c nxglib_vectoradd.c \
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nxglib_rectintersect.c nxglib_nonintersecting.c \
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nxglib_rectoverlap.c nxglib_nullrect.c
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TRAP_CSRCS = nxglib_runoffset.c nxglib_trapoffset.c
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NXGLIB_CSRCS = nxglib_rgb2yuv.c nxglib_yuv2rgb.c \
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$(RFILL1_CSRCS) $(RFILL2_CSRCS) $(TFILL1_CSRCS) $(TFILL2_CSRCS) \
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$(RMOVE1_CSRCS) $(RMOVE2_CSRCS) $(RCOPY1_CSRCS) $(RCOPY2_CSRCS)
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$(RMOVE1_CSRCS) $(RMOVE2_CSRCS) $(RCOPY1_CSRCS) $(RCOPY2_CSRCS) \
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$(RECT_CSRCS) $(TRAP_CSRCS)
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@ -79,20 +79,24 @@
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*
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* Descripton:
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* Fill a trapezoidal region in the framebuffer memory with a fixed color.
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* This is useful for drawing complex shape -- (most) complex shapes can be
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* broken into a set of trapezoids.
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* Clip the trapezoid to lie within a boundng box. This is useful for
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* drawing complex shapes that can be broken into a set of trapezoids.
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*
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****************************************************************************/
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void NXGL_FUNCNAME(nxglib_filltrapezoid,NXGLIB_SUFFIX)
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(FAR struct fb_videoinfo_s *vinfo, FAR struct fb_planeinfo_s *pinfo,
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FAR const struct nxgl_trapezoid_s *trap, nxgl_mxpixel_t color)
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void NXGL_FUNCNAME(nxgl_filltrapezoid,NXGLIB_SUFFIX)(
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FAR struct fb_planeinfo_s *pinfo,
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FAR const struct nxgl_trapezoid_s *trap,
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FAR const struct nxgl_rect_s *bounds,
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nxgl_mxpixel_t color)
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{
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unsigned int stride;
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ubyte *line;
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int nrows;
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b16_t x1;
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b16_t x2;
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nxgl_coord_t y1;
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nxgl_coord_t y2;
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b16_t dx1dy;
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b16_t dx2dy;
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/* Get the top run position and the number of rows to draw */
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x1 = trap->top.x1;
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x2 = trap->top.x2;
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nrows = trap->bot.y - trap->top.y + 1;
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/* Get the address of the first byte on the first line */
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line = pinfo->fbmem + trap->top.y * stride ;
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x1 = trap->top.x1;
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x2 = trap->top.x2;
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/* Calculate the slope of the left and right side of the trapezoid */
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dx1dy = b16divi((trap->bot.x1 - x1), nrows);
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dx2dy = b16divi((trap->bot.x2 - x2), nrows);
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dx1dy = b16divi((trap->bot.x1 - x1), nrows);
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dx2dy = b16divi((trap->bot.x2 - x2), nrows);
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/* Perform vertical clipping */
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y1 = trap->top.y;
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if (y1 < bounds->pt1.y)
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{
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int dy = bounds->pt1.y - y1;
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x1 += dy * dx1dy;
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x2 += dy * dx2dy;
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y1 = bounds->pt1.y;
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}
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y2 = trap->bot.y;
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if (y2 > bounds->pt2.y)
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{
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y2 = bounds->pt2.y;
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}
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/* Then calculate the number of rows to render */
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nrows = y2 - y1 + 1;
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/* Get the address of the first byte on the first line */
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line = pinfo->fbmem + y1 * stride ;
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/* Then fill the trapezoid line-by-line */
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@ -140,17 +164,17 @@ void NXGL_FUNCNAME(nxglib_filltrapezoid,NXGLIB_SUFFIX)
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* always draw at least one pixel.
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*/
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if (x1 > x2 || ix2 < 0 || ix1 > vinfo->yres)
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if (x1 > x2 || ix2 < bounds->pt1.x || ix1 > bounds->pt2.x)
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{
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/* Get a clipped copies of the startingand ending X positions. This
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/* Get a clipped copies of the starting and ending X positions. This
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* clipped truncates "down" and gives the quantized pixel holding the
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* fractional X position
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*/
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ix1 = ngl_clipl(ix1, 0);
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ix2 = ngl_clipr(ix2, vinfo->yres);
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ix1 = ngl_clipl(ix1, bounds->pt1.x);
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ix2 = ngl_clipr(ix2, bounds->pt2.x);
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|
||||
/* Then draw the run from (line + clipx1) to (line + clipx2) */
|
||||
/* Then draw the run from (line + ix1) to (line + ix2) */
|
||||
|
||||
NXGL_MEMSET(line + NXGL_SCALEX(ix1), (NXGL_PIXEL_T)color, ix2 - ix1 + 1);
|
||||
}
|
||||
|
|
86
graphics/nxglib/nxglib_runoffset.c
Normal file
86
graphics/nxglib/nxglib_runoffset.c
Normal file
|
@ -0,0 +1,86 @@
|
|||
/****************************************************************************
|
||||
* graphics/nxglib/nxsglib_runoffset.c
|
||||
*
|
||||
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||||
*
|
||||
* 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 <sys/types.h>
|
||||
#include <fixedmath.h>
|
||||
#include <nuttx/nxglib.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: nxgl_runoffset
|
||||
*
|
||||
* Description:
|
||||
* Offset the run position by the specified dx, dy values.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void nxgl_runoffset(FAR struct nxgl_run_s *dest,
|
||||
FAR const struct nxgl_run_s *src,
|
||||
nxgl_coord_t dx, nxgl_coord_t dy)
|
||||
{
|
||||
b16_t b16dx = itob16(dx);
|
||||
dest->x1 += b16dx;
|
||||
dest->x2 += b16dx;
|
||||
dest->y += dy;
|
||||
}
|
83
graphics/nxglib/nxglib_trapoffset.c
Normal file
83
graphics/nxglib/nxglib_trapoffset.c
Normal file
|
@ -0,0 +1,83 @@
|
|||
/****************************************************************************
|
||||
* graphics/nxglib/nxsglib_trapoffset.c
|
||||
*
|
||||
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||||
*
|
||||
* 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 <sys/types.h>
|
||||
#include <nuttx/nxglib.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: nxgl_trapoffset
|
||||
*
|
||||
* Description:
|
||||
* Offset the trapezoid position by the specified dx, dy values.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void nxgl_trapoffset(FAR struct nxgl_trapezoid_s *dest,
|
||||
FAR const struct nxgl_trapezoid_s *src,
|
||||
nxgl_coord_t dx, nxgl_coord_t dy)
|
||||
{
|
||||
nxgl_runoffset(&dest->top, &src->top, dx, dy);
|
||||
nxgl_runoffset(&dest->bot, &src->bot, dx, dy);
|
||||
}
|
|
@ -48,6 +48,15 @@
|
|||
* Pre-processor definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* Mnemonics for indices */
|
||||
|
||||
#define NX_TOP_NDX (0)
|
||||
#define NX_LEFT_NDX (1)
|
||||
#define NX_RIGHT_NDX (2)
|
||||
#define NX_BOTTOM_NDX (3)
|
||||
|
||||
/* Handy macros */
|
||||
|
||||
#define ngl_min(a,b) ((a) < (b) ? (a) : (b))
|
||||
#define ngl_max(a,b) ((a) > (b) ? (a) : (b))
|
||||
#define ngl_swap(a,b,t) do { t = a; a = b; b = t; } while (0);
|
||||
|
@ -196,39 +205,39 @@ EXTERN void nxgl_fillrectangle_32bpp(FAR struct fb_planeinfo_s *pinfo,
|
|||
*
|
||||
* Descripton:
|
||||
* Fill a trapezoidal region in the framebuffer memory with a fixed color.
|
||||
* This is useful for drawing complex shape -- (most) complex shapes can be
|
||||
* broken into a set of trapezoids.
|
||||
* Clip the trapezoid to lie within a boundng box. This is useful for
|
||||
* drawing complex shapes that can be broken into a set of trapezoids.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN void nxglib_filltrapezoid_1bpp(FAR struct fb_videoinfo_s *vinfo,
|
||||
FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxglib_filltrapezoid_2bpp(FAR struct fb_videoinfo_s *vinfo,
|
||||
FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxglib_filltrapezoid_4bpp(FAR struct fb_videoinfo_s *vinfo,
|
||||
FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxglib_filltrapezoid_8bpp(FAR struct fb_videoinfo_s *vinfo,
|
||||
FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxglib_filltrapezoid_16bpp(FAR struct fb_videoinfo_s *vinfo,
|
||||
FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxglib_filltrapezoid_24bpp(FAR struct fb_videoinfo_s *vinfo,
|
||||
FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxglib_filltrapezoid_32bpp(FAR struct fb_videoinfo_s *vinfo,
|
||||
FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxgl_filltrapezoid_1bpp(FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
FAR const struct nxgl_rect_s *bounds,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxgl_filltrapezoid_2bpp(FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
FAR const struct nxgl_rect_s *bounds,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxgl_filltrapezoid_4bpp(FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
FAR const struct nxgl_rect_s *bounds,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxgl_filltrapezoid_8bpp(FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
FAR const struct nxgl_rect_s *bounds,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxgl_filltrapezoid_16bpp(FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
FAR const struct nxgl_rect_s *bounds,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxgl_filltrapezoid_24bpp(FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
FAR const struct nxgl_rect_s *bounds,
|
||||
nxgl_mxpixel_t color);
|
||||
EXTERN void nxgl_filltrapezoid_32bpp(FAR struct fb_planeinfo_s *pinfo,
|
||||
FAR const struct nxgl_trapezoid_s *trap,
|
||||
FAR const struct nxgl_rect_s *bounds,
|
||||
nxgl_mxpixel_t color);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: nxgl_moverectangle_*bpp
|
||||
|
@ -389,6 +398,30 @@ EXTERN boolean nxgl_rectoverlap(FAR struct nxgl_rect_s *rect1,
|
|||
|
||||
EXTERN boolean nxgl_nullrect(FAR const struct nxgl_rect_s *rect);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: nxgl_runoffset
|
||||
*
|
||||
* Description:
|
||||
* Offset the run position by the specified dx, dy values.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN void nxgl_runoffset(FAR struct nxgl_run_s *dest,
|
||||
FAR const struct nxgl_run_s *src,
|
||||
nxgl_coord_t dx, nxgl_coord_t dy);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: nxgl_trapoffset
|
||||
*
|
||||
* Description:
|
||||
* Offset the trapezoid position by the specified dx, dy values.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN void nxgl_trapoffset(FAR struct nxgl_trapezoid_s *dest,
|
||||
FAR const struct nxgl_trapezoid_s *src,
|
||||
nxgl_coord_t dx, nxgl_coord_t dy);
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue