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Progress on copy rectangle

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@2608 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2010-04-17 20:38:40 +00:00
parent c8e6c3d258
commit 799c74589c
3 changed files with 190 additions and 17 deletions

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@ -1,5 +1,5 @@
/****************************************************************************
* graphics/nxglib/lcd`/nxsglib_copyrectangle.c
* graphics/nxglib/lcd/nxsglib_copyrectangle.c
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@ -85,9 +85,7 @@ void NXGL_FUNCNAME(nxgl_copyrectangle,NXGLIB_SUFFIX)
unsigned int srcstride)
{
FAR const uint8_t *sline;
FAR uint8_t *dline;
unsigned int width;
unsigned int deststride;
unsigned int rows;
#if NXGLIB_BITSPERPIXEL < 8
@ -99,10 +97,6 @@ void NXGL_FUNCNAME(nxgl_copyrectangle,NXGLIB_SUFFIX)
int lnlen;
#endif
/* Get the width of the framebuffer in bytes */
deststride = pinfo->stride;
/* Get the dimensions of the rectange to fill: width in pixels,
* height in rows
*/

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@ -0,0 +1,167 @@
/****************************************************************************
* graphics/nxglib/nxsglib_copyrun.h
*
* Copyright (C) 2010 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.
*
****************************************************************************/
#ifndef __GRAPHICS_NXGLIB_NXGLIB_COPYRUN_H
#define __GRAPHICS_NXGLIB_NXGLIB_COPYRUN_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <string.h>
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxgl_copyrun_*bpp
*
* Description:
* Copy a row from an image into run.
*
****************************************************************************/
#if NXGLIB_BITSPERPIXEL == 1
static inline void
nxgl_copyrun_1bpp(FAR const uint8_t *src, FAR uint8_t *dest,
unsigned int inbit, size_t npixels)
{
uint8_t indata;
uint8_t outdata;
unsigned int inpixels = 0;
unsigned int outpixels = 0;
unsigned int outbit;
/* Set up the input */
indata = *src++;
/* Set up the output */
outdata = 0;
outbit = 0;
/* Loop until all pixels have been packed into the destination */
while (outpixels < npixels && inpixels < npixels)
{
/* Pack pixels from the source into the destination */
/* Check the input bit */
if ((*src & (1 << inbit)) != 0)
{
/* If it is set, then set the corresponding bit
* in the output (probably not the same bit.
*/
outdata |= (1 << outbit);
}
inpixels++;
/* Check if we have used all of the bits in the input */
if (++inbit >= 8)
{
/* Yes.. Get the next byte from the source and reset
* the source bit number.
*/
indata = *src++;
inbit = 0;
}
/* Now check if we have filled the output byte */
if (++outbit >= 8)
{
/* Yes.. Write the output and reset the output bit
* number
*/
*dest++ = outdata;
outdata = 0;
outbit = 0;
outpixels += 8;
}
}
/* Handle any bits still in outdata */
if (outpixels < inpixels)
{
*dest = outdata;
}
}
#elif NXGLIB_BITSPERPIXEL == 2
static inline void
nxgl_copyrun_2bpp(FAR const uint8_t *src, FAR uint8_t *dest,
unsigned int inbit, size_t npixels)
{
}
#elif NXGLIB_BITSPERPIXEL == 4
static inline void
nxgl_copyrun_4bpp(FAR const uint8_t *src, FAR uint8_t *dest,
unsigned int inbit, size_t npixels)
{
}
#endif
#endif /* __GRAPHICS_NXGLIB_NXGLIB_COPYRUN_H */

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@ -55,6 +55,7 @@
#else
# define NXGLIB_RUNTYPE uint32_t
#endif
/****************************************************************************
* Private Types
****************************************************************************/
@ -88,7 +89,8 @@ static uint8_t g_wide_2bpp[4] = { 0x00, 0x55, 0xaa, 0xff };
****************************************************************************/
#if NXGLIB_BITSPERPIXEL == 1
static inline void nxgl_fillrun_1bpp(uint8_t *run, nxgl_mxpixel_t color, size_t npixels)
static inline void nxgl_fillrun_1bpp(FAR uint8_t *run, nxgl_mxpixel_t color,
size_t npixels)
{
/* Get the number of bytes to fill */
@ -98,13 +100,16 @@ static inline void nxgl_fillrun_1bpp(uint8_t *run, nxgl_mxpixel_t color, size_t
uint8_t wide = (color & 1) != 0 ? 0xff : 0x00;
/* Fill the run with the color (it is okay to run a fractional byte overy the end */
/* Fill the run with the color (it is okay to run a fractional byte over
* the end
*/
memset(run, wide, nbytes);
}
#elif NXGLIB_BITSPERPIXEL == 2
static inline void nxgl_fillrun_2bpp(uint8_t *run, nxgl_mxpixel_t color, size_t npixels)
static inline void nxgl_fillrun_2bpp(FAR uint8_t *run, nxgl_mxpixel_t color,
size_t npixels)
{
/* Get the number of bytes to fill */
@ -114,13 +119,16 @@ static inline void nxgl_fillrun_2bpp(uint8_t *run, nxgl_mxpixel_t color, size_t
uint8_t wide = g_wide_2bpp[color & 3];
/* Fill the run with the color (it is okay to run a fractional byte overy the end */
/* Fill the run with the color (it is okay to run a fractional byte over
* the end
*/
memset(run, wide, nbytes);
}
#elif NXGLIB_BITSPERPIXEL == 4
static inline void nxgl_fillrun_4bpp(uint8_t *run, nxgl_mxpixel_t color, size_t npixels)
static inline void nxgl_fillrun_4bpp(FAR uint8_t *run, nxgl_mxpixel_t color,
size_t npixels)
{
/* Get the number of bytes to fill */
@ -131,13 +139,16 @@ static inline void nxgl_fillrun_4bpp(uint8_t *run, nxgl_mxpixel_t color, size_t
uint8_t narrow = (uint8_t)color & 0x0f;
uint8_t wide = narrow | (narrow << 4);
/* Fill the run with the color (it is okay to run a fractional byte overy the end */
/* Fill the run with the color (it is okay to run a fractional byte over
* the end
*/
memset(run, wide, nbytes);
}
#elif NXGLIB_BITSPERPIXEL == 8
static inline void nxgl_fillrun_8bpp(uint8_t *run, nxgl_mxpixel_t color, size_t npixels)
static inline void nxgl_fillrun_8bpp(FAR uint8_t *run, nxgl_mxpixel_t color,
size_t npixels)
{
/* Fill the run with the color (it is okay to run a fractional byte overy the end */
@ -145,7 +156,8 @@ static inline void nxgl_fillrun_8bpp(uint8_t *run, nxgl_mxpixel_t color, size_t
}
#elif NXGLIB_BITSPERPIXEL == 16
static inline void nxgl_fillrun_16bpp(uint16_t *run, nxgl_mxpixel_t color, size_t npixels)
static inline void nxgl_fillrun_16bpp(FAR uint16_t *run, nxgl_mxpixel_t color,
size_t npixels)
{
/* Fill the run with the color (it is okay to run a fractional byte overy the end */
@ -156,7 +168,7 @@ static inline void nxgl_fillrun_16bpp(uint16_t *run, nxgl_mxpixel_t color, size_
}
#elif NXGLIB_BITSPERPIXEL == 24
static inline void nxgl_fillrun_24bpp(uint32_t *run, nxgl_mxpixel_t color, size_t npixels)
static inline void nxgl_fillrun_24bpp(FAR uint32_t *run, nxgl_mxpixel_t color, size_t npixels)
{
/* Fill the run with the color (it is okay to run a fractional byte overy the end */
#warning "Assuming 24-bit color is not packed"
@ -167,7 +179,7 @@ static inline void nxgl_fillrun_24bpp(uint32_t *run, nxgl_mxpixel_t color, size_
}
#elif NXGLIB_BITSPERPIXEL == 32
static inline void nxgl_fillrun_32bpp(uint32_t *run, nxgl_mxpixel_t color, size_t npixels)
static inline void nxgl_fillrun_32bpp(FAR uint32_t *run, nxgl_mxpixel_t color, size_t npixels)
{
/* Fill the run with the color (it is okay to run a fractional byte overy the end */