6bc7a448de
Gregory Nutt is has submitted the SGA as a result we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
382 lines
11 KiB
C
382 lines
11 KiB
C
/****************************************************************************
|
|
* examples/nximage/nximage_bkgd.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 <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <semaphore.h>
|
|
#include <errno.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/nx/nx.h>
|
|
#include <nuttx/nx/nxglib.h>
|
|
#include <nuttx/nx/nxfonts.h>
|
|
|
|
#include "nximage.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Select renderer -- Some additional logic would be required to support
|
|
* pixel depths that are not directly addressable (1,2,4, and 24).
|
|
*/
|
|
|
|
#if CONFIG_EXAMPLES_NXIMAGE_BPP == 1
|
|
# define RENDERER nxf_convert_1bpp
|
|
#elif CONFIG_EXAMPLES_NXIMAGE_BPP == 2
|
|
# define RENDERER nxf_convert_2bpp
|
|
#elif CONFIG_EXAMPLES_NXIMAGE_BPP == 4
|
|
# define RENDERER nxf_convert_4bpp
|
|
#elif CONFIG_EXAMPLES_NXIMAGE_BPP == 8
|
|
# define RENDERER nxf_convert_8bpp
|
|
#elif CONFIG_EXAMPLES_NXIMAGE_BPP == 16
|
|
# define RENDERER nxf_convert_16bpp
|
|
#elif CONFIG_EXAMPLES_NXIMAGE_BPP == 24
|
|
# define RENDERER nxf_convert_24bpp
|
|
#elif CONFIG_EXAMPLES_NXIMAGE_BPP == 32
|
|
# define RENDERER nxf_convert_32bpp
|
|
#else
|
|
# error "Unsupported CONFIG_EXAMPLES_NXIMAGE_BPP"
|
|
#endif
|
|
|
|
/* Vertical scaling */
|
|
|
|
#if defined(CONFIG_EXAMPLES_NXIMAGE_YSCALEp5)
|
|
|
|
/* Read two rows, output one averaged row */
|
|
|
|
#define NINPUT_ROWS 2
|
|
#define NOUTPUT_ROWS 1
|
|
|
|
#elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5)
|
|
/* Read two rows, output three rows */
|
|
|
|
#define NINPUT_ROWS 2
|
|
#define NOUTPUT_ROWS 3
|
|
|
|
#elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0)
|
|
/* Read one row, output two rows */
|
|
|
|
#define NINPUT_ROWS 1
|
|
#define NOUTPUT_ROWS 2
|
|
|
|
#else
|
|
/* Read one rows, output one or two rows */
|
|
|
|
#define NINPUT_ROWS 1
|
|
#define NOUTPUT_ROWS 1
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Private Types
|
|
****************************************************************************/
|
|
|
|
struct nximage_run_s
|
|
{
|
|
nxgl_mxpixel_t run[SCALED_WIDTH];
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Function Prototypes
|
|
****************************************************************************/
|
|
|
|
static void nximage_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
|
|
bool more, FAR void *arg);
|
|
static void nximage_position(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
|
|
FAR const struct nxgl_point_s *pos,
|
|
FAR const struct nxgl_rect_s *bounds,
|
|
FAR void *arg);
|
|
#ifdef CONFIG_NX_XYINPUT
|
|
static void nximage_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
|
|
uint8_t buttons, FAR void *arg);
|
|
#endif
|
|
|
|
#ifdef CONFIG_NX_KBD
|
|
static void nximage_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
|
|
FAR void *arg);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/* Read one or two rows, output one tow or three rows */
|
|
|
|
static struct nximage_run_s g_runs[NINPUT_ROWS];
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
/* Background window call table */
|
|
|
|
const struct nx_callback_s g_nximagecb =
|
|
{
|
|
nximage_redraw, /* redraw */
|
|
nximage_position /* position */
|
|
#ifdef CONFIG_NX_XYINPUT
|
|
, nximage_mousein /* mousein */
|
|
#endif
|
|
#ifdef CONFIG_NX_KBD
|
|
, nximage_kbdin /* kbdin */
|
|
#endif
|
|
, NULL /* event */
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nximage_redraw
|
|
*
|
|
* Description:
|
|
* NX re-draw handler
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void nximage_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
|
|
bool more, FAR void *arg)
|
|
{
|
|
ginfo("hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
|
|
hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
|
|
more ? "true" : "false");
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nximage_position
|
|
*
|
|
* Description:
|
|
* NX position change handler
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void nximage_position(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
|
|
FAR const struct nxgl_point_s *pos,
|
|
FAR const struct nxgl_rect_s *bounds,
|
|
FAR void *arg)
|
|
{
|
|
/* Report the position */
|
|
|
|
ginfo("hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
|
|
hwnd, size->w, size->h, pos->x, pos->y,
|
|
bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
|
|
|
|
/* Have we picked off the window bounds yet? */
|
|
|
|
if (!g_nximage.havepos)
|
|
{
|
|
/* Save the background window handle */
|
|
|
|
g_nximage.hbkgd = hwnd;
|
|
|
|
/* Save the window limits */
|
|
|
|
g_nximage.xres = bounds->pt2.x + 1;
|
|
g_nximage.yres = bounds->pt2.y + 1;
|
|
|
|
g_nximage.havepos = true;
|
|
sem_post(&g_nximage.eventsem);
|
|
ginfo("Have xres=%d yres=%d\n", g_nximage.xres, g_nximage.yres);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nximage_mousein
|
|
*
|
|
* Description:
|
|
* NX mouse input handler
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NX_XYINPUT
|
|
static void nximage_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
|
|
uint8_t buttons, FAR void *arg)
|
|
{
|
|
printf("nximage_mousein: hwnd=%p pos=(%d,%d) button=%02x\n",
|
|
hwnd, pos->x, pos->y, buttons);
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: nximage_kbdin
|
|
*
|
|
* Description:
|
|
* NX keyboard input handler
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NX_KBD
|
|
static void nximage_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
|
|
FAR void *arg)
|
|
{
|
|
ginfo("hwnd=%p nch=%d\n", hwnd, nch);
|
|
|
|
/* In this example, there is no keyboard so a keyboard event is not
|
|
* expected.
|
|
*/
|
|
|
|
printf("nximage_kbdin: Unexpected keyboard callback\n");
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nximage_image
|
|
*
|
|
* Description:
|
|
* Put the NuttX logo in the center of the display.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void nximage_image(NXWINDOW hwnd)
|
|
{
|
|
FAR const void *state = NULL;
|
|
FAR struct nxgl_point_s pos;
|
|
FAR struct nxgl_rect_s dest;
|
|
FAR const void *src[CONFIG_NX_NPLANES];
|
|
nxgl_coord_t row;
|
|
int ret;
|
|
#if defined(CONFIG_EXAMPLES_NXIMAGE_YSCALEp5) || defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5)
|
|
int i;
|
|
#endif
|
|
|
|
/* Center the image. Note: these may extend off the display. */
|
|
|
|
pos.x = (g_nximage.xres - SCALED_WIDTH) / 2;
|
|
pos.y = (g_nximage.yres - SCALED_HEIGHT) / 2;
|
|
|
|
/* Set up the invariant part of the destination bounding box */
|
|
|
|
dest.pt1.x = pos.x;
|
|
dest.pt2.x = pos.x + SCALED_WIDTH - 1;
|
|
|
|
/* Now output the rows */
|
|
|
|
for (row = 0; row < IMAGE_HEIGHT; row += NINPUT_ROWS)
|
|
{
|
|
/* Read input row(s) */
|
|
|
|
nximage_blitrow(g_runs[0].run, &state);
|
|
#if NINPUT_ROWS > 1
|
|
nximage_blitrow(g_runs[1].run, &state);
|
|
#endif
|
|
|
|
/* Output rows before averaging */
|
|
|
|
#if defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5) || defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0)
|
|
|
|
/* Output row[0] */
|
|
|
|
dest.pt1.y = pos.y;
|
|
dest.pt2.y = pos.y;
|
|
|
|
src[0] = (FAR const void *)g_runs[0].run;
|
|
#if CONFIG_NX_NPLANES > 1
|
|
# warning "More logic is needed for the case where CONFIG_NX_PLANES > 1"
|
|
#endif
|
|
ret = nx_bitmap((NXWINDOW)hwnd, &dest, src, &pos, SCALED_WIDTH*sizeof(nxgl_mxpixel_t));
|
|
if (ret < 0)
|
|
{
|
|
printf("nximage_image: nx_bitmapwindow failed: %d\n", errno);
|
|
}
|
|
|
|
/* Increment the vertical position */
|
|
|
|
pos.y++;
|
|
#endif
|
|
|
|
/* Perform averaging */
|
|
|
|
#if defined(CONFIG_EXAMPLES_NXIMAGE_YSCALEp5) || defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5)
|
|
|
|
/* Average row[0] and row[1], output results in row[0] */
|
|
|
|
for (i = 0; i < SCALED_WIDTH; i++)
|
|
{
|
|
/* Only average if the corresponding pixels in each row differ */
|
|
|
|
nxgl_mxpixel_t pix0 = g_runs[0].run[i];
|
|
nxgl_mxpixel_t pix1 = g_runs[1].run[i];
|
|
if (pix0 != pix1)
|
|
{
|
|
g_runs[0].run[i] = nximage_avgcolor(pix0, pix1);
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
/* Output rows after averaging */
|
|
|
|
/* Output row[0] */
|
|
|
|
dest.pt1.y = pos.y;
|
|
dest.pt2.y = pos.y;
|
|
|
|
src[0] = (FAR const void *)g_runs[0].run;
|
|
#if CONFIG_NX_NPLANES > 1
|
|
# warning "More logic is needed for the case where CONFIG_NX_PLANES > 1"
|
|
#endif
|
|
ret = nx_bitmap((NXWINDOW)hwnd, &dest, src, &pos, SCALED_WIDTH*sizeof(nxgl_mxpixel_t));
|
|
if (ret < 0)
|
|
{
|
|
printf("nximage_image: nx_bitmapwindow failed: %d\n", errno);
|
|
}
|
|
|
|
/* Increment the vertical position */
|
|
|
|
pos.y++;
|
|
|
|
#if defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5)
|
|
|
|
/* Output row[0] and row[1] */
|
|
|
|
dest.pt1.y = pos.y;
|
|
dest.pt2.y = pos.y;
|
|
|
|
src[0] = (FAR const void *)g_runs[1].run;
|
|
#if CONFIG_NX_NPLANES > 1
|
|
# warning "More logic is needed for the case where CONFIG_NX_PLANES > 1"
|
|
#endif
|
|
ret = nx_bitmap((NXWINDOW)hwnd, &dest, src, &pos, SCALED_WIDTH*sizeof(nxgl_mxpixel_t));
|
|
if (ret < 0)
|
|
{
|
|
printf("nximage_image: nx_bitmapwindow failed: %d\n", errno);
|
|
}
|
|
|
|
/* Increment the vertical position */
|
|
|
|
pos.y++;
|
|
#endif
|
|
}
|
|
}
|