Progress on copy rectangle
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@2608 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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@ -1,5 +1,5 @@
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/****************************************************************************
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* graphics/nxglib/lcd`/nxsglib_copyrectangle.c
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* graphics/nxglib/lcd/nxsglib_copyrectangle.c
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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@ -85,9 +85,7 @@ void NXGL_FUNCNAME(nxgl_copyrectangle,NXGLIB_SUFFIX)
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unsigned int srcstride)
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{
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FAR const uint8_t *sline;
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FAR uint8_t *dline;
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unsigned int width;
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unsigned int deststride;
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unsigned int rows;
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#if NXGLIB_BITSPERPIXEL < 8
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@ -99,10 +97,6 @@ void NXGL_FUNCNAME(nxgl_copyrectangle,NXGLIB_SUFFIX)
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int lnlen;
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#endif
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/* Get the width of the framebuffer in bytes */
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deststride = pinfo->stride;
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/* Get the dimensions of the rectange to fill: width in pixels,
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* height in rows
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*/
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@ -0,0 +1,167 @@
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/****************************************************************************
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* graphics/nxglib/nxsglib_copyrun.h
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*
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* Copyright (C) 2010 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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#ifndef __GRAPHICS_NXGLIB_NXGLIB_COPYRUN_H
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#define __GRAPHICS_NXGLIB_NXGLIB_COPYRUN_H
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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 <stdint.h>
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#include <string.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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/****************************************************************************
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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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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxgl_copyrun_*bpp
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*
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* Description:
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* Copy a row from an image into run.
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*
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****************************************************************************/
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#if NXGLIB_BITSPERPIXEL == 1
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static inline void
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nxgl_copyrun_1bpp(FAR const uint8_t *src, FAR uint8_t *dest,
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unsigned int inbit, size_t npixels)
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{
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uint8_t indata;
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uint8_t outdata;
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unsigned int inpixels = 0;
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unsigned int outpixels = 0;
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unsigned int outbit;
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/* Set up the input */
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indata = *src++;
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/* Set up the output */
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outdata = 0;
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outbit = 0;
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/* Loop until all pixels have been packed into the destination */
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while (outpixels < npixels && inpixels < npixels)
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{
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/* Pack pixels from the source into the destination */
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/* Check the input bit */
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if ((*src & (1 << inbit)) != 0)
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{
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/* If it is set, then set the corresponding bit
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* in the output (probably not the same bit.
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*/
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outdata |= (1 << outbit);
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}
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inpixels++;
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/* Check if we have used all of the bits in the input */
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if (++inbit >= 8)
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{
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/* Yes.. Get the next byte from the source and reset
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* the source bit number.
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*/
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indata = *src++;
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inbit = 0;
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}
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/* Now check if we have filled the output byte */
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if (++outbit >= 8)
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{
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/* Yes.. Write the output and reset the output bit
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* number
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*/
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*dest++ = outdata;
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outdata = 0;
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outbit = 0;
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outpixels += 8;
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}
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}
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/* Handle any bits still in outdata */
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if (outpixels < inpixels)
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{
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*dest = outdata;
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}
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}
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#elif NXGLIB_BITSPERPIXEL == 2
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static inline void
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nxgl_copyrun_2bpp(FAR const uint8_t *src, FAR uint8_t *dest,
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unsigned int inbit, size_t npixels)
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{
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}
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#elif NXGLIB_BITSPERPIXEL == 4
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static inline void
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nxgl_copyrun_4bpp(FAR const uint8_t *src, FAR uint8_t *dest,
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unsigned int inbit, size_t npixels)
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{
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}
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#endif
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#endif /* __GRAPHICS_NXGLIB_NXGLIB_COPYRUN_H */
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@ -55,6 +55,7 @@
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#else
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# define NXGLIB_RUNTYPE uint32_t
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#endif
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/****************************************************************************
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* Private Types
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****************************************************************************/
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****************************************************************************/
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#if NXGLIB_BITSPERPIXEL == 1
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static inline void nxgl_fillrun_1bpp(uint8_t *run, nxgl_mxpixel_t color, size_t npixels)
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static inline void nxgl_fillrun_1bpp(FAR uint8_t *run, nxgl_mxpixel_t color,
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size_t npixels)
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{
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/* Get the number of bytes to fill */
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uint8_t wide = (color & 1) != 0 ? 0xff : 0x00;
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/* Fill the run with the color (it is okay to run a fractional byte overy the end */
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/* Fill the run with the color (it is okay to run a fractional byte over
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* the end
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*/
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memset(run, wide, nbytes);
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}
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#elif NXGLIB_BITSPERPIXEL == 2
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static inline void nxgl_fillrun_2bpp(uint8_t *run, nxgl_mxpixel_t color, size_t npixels)
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static inline void nxgl_fillrun_2bpp(FAR uint8_t *run, nxgl_mxpixel_t color,
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size_t npixels)
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{
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/* Get the number of bytes to fill */
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uint8_t wide = g_wide_2bpp[color & 3];
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/* Fill the run with the color (it is okay to run a fractional byte overy the end */
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/* Fill the run with the color (it is okay to run a fractional byte over
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* the end
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*/
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memset(run, wide, nbytes);
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}
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#elif NXGLIB_BITSPERPIXEL == 4
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static inline void nxgl_fillrun_4bpp(uint8_t *run, nxgl_mxpixel_t color, size_t npixels)
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static inline void nxgl_fillrun_4bpp(FAR uint8_t *run, nxgl_mxpixel_t color,
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size_t npixels)
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{
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/* Get the number of bytes to fill */
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uint8_t narrow = (uint8_t)color & 0x0f;
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uint8_t wide = narrow | (narrow << 4);
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/* Fill the run with the color (it is okay to run a fractional byte overy the end */
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/* Fill the run with the color (it is okay to run a fractional byte over
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* the end
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*/
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memset(run, wide, nbytes);
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}
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#elif NXGLIB_BITSPERPIXEL == 8
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static inline void nxgl_fillrun_8bpp(uint8_t *run, nxgl_mxpixel_t color, size_t npixels)
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static inline void nxgl_fillrun_8bpp(FAR uint8_t *run, nxgl_mxpixel_t color,
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size_t npixels)
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{
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/* Fill the run with the color (it is okay to run a fractional byte overy the end */
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}
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#elif NXGLIB_BITSPERPIXEL == 16
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static inline void nxgl_fillrun_16bpp(uint16_t *run, nxgl_mxpixel_t color, size_t npixels)
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static inline void nxgl_fillrun_16bpp(FAR uint16_t *run, nxgl_mxpixel_t color,
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size_t npixels)
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{
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/* Fill the run with the color (it is okay to run a fractional byte overy the end */
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}
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#elif NXGLIB_BITSPERPIXEL == 24
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static inline void nxgl_fillrun_24bpp(uint32_t *run, nxgl_mxpixel_t color, size_t npixels)
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static inline void nxgl_fillrun_24bpp(FAR uint32_t *run, nxgl_mxpixel_t color, size_t npixels)
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{
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/* Fill the run with the color (it is okay to run a fractional byte overy the end */
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#warning "Assuming 24-bit color is not packed"
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}
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#elif NXGLIB_BITSPERPIXEL == 32
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static inline void nxgl_fillrun_32bpp(uint32_t *run, nxgl_mxpixel_t color, size_t npixels)
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static inline void nxgl_fillrun_32bpp(FAR uint32_t *run, nxgl_mxpixel_t color, size_t npixels)
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{
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/* Fill the run with the color (it is okay to run a fractional byte overy the end */
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