8366a20be8
Update files from Gregory Nutt to Apache 2.0 license. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
114 lines
3.5 KiB
C
114 lines
3.5 KiB
C
/****************************************************************************
|
|
* graphics/nxglib/lcd/nxsglib_copyrectangle.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdint.h>
|
|
#include <assert.h>
|
|
|
|
#include <nuttx/lcd/lcd.h>
|
|
#include <nuttx/nx/nxglib.h>
|
|
|
|
#include "nxglib_bitblit.h"
|
|
#include "nxglib_copyrun.h"
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxgl_copyrectangle_*bpp
|
|
*
|
|
* Description:
|
|
* Copy a rectangular bitmap image into the specific position in the
|
|
* framebuffer memory.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void NXGL_FUNCNAME(nxgl_copyrectangle, NXGLIB_SUFFIX)
|
|
(
|
|
FAR struct lcd_planeinfo_s *pinfo,
|
|
FAR const struct nxgl_rect_s *dest,
|
|
FAR const void *src,
|
|
FAR const struct nxgl_point_s *origin,
|
|
unsigned int srcstride)
|
|
{
|
|
FAR const uint8_t *sline;
|
|
unsigned int ncols;
|
|
unsigned int row;
|
|
unsigned int xoffset;
|
|
#if NXGLIB_BITSPERPIXEL < 8
|
|
unsigned int remainder;
|
|
#endif
|
|
|
|
/* Get the dimensions of the rectangle to fill: width in pixels,
|
|
* height in rows
|
|
*/
|
|
|
|
ncols = dest->pt2.x - dest->pt1.x + 1;
|
|
|
|
/* Set up to copy the image */
|
|
|
|
xoffset = dest->pt1.x - origin->x;
|
|
sline = (FAR const uint8_t *)src + NXGL_SCALEX(xoffset) +
|
|
(dest->pt1.y - origin->y) * srcstride;
|
|
#if NXGLIB_BITSPERPIXEL < 8
|
|
remainder = NXGL_REMAINDERX(xoffset);
|
|
#endif
|
|
|
|
/* Copy the image, one row at a time */
|
|
|
|
for (row = dest->pt1.y; row <= dest->pt2.y; row++)
|
|
{
|
|
#if NXGLIB_BITSPERPIXEL < 8
|
|
/* if the source pixel is not aligned with a byte boundary, then we
|
|
* will need to copy the image data to the run buffer first.
|
|
*/
|
|
|
|
if (remainder != 0)
|
|
{
|
|
NXGL_FUNCNAME(nxgl_copyrun, NXGLIB_SUFFIX)(sline,
|
|
pinfo->buffer,
|
|
remainder,
|
|
ncols);
|
|
pinfo->putrun(row, dest->pt1.x, pinfo->buffer, ncols);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
/* The pixel data is byte aligned.
|
|
* Copy the image data directly from the image memory.
|
|
*/
|
|
|
|
pinfo->putrun(row, dest->pt1.x, sline, ncols);
|
|
}
|
|
|
|
/* Then adjust the source pointer to refer to the next line in
|
|
* the source image.
|
|
*/
|
|
|
|
sline += srcstride;
|
|
}
|
|
}
|