468 lines
14 KiB
C
468 lines
14 KiB
C
/****************************************************************************
|
|
* examples/nx/nx_kbdin.c
|
|
*
|
|
* Copyright (C) 2008, 2010-2011 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* 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 <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <debug.h>
|
|
#include <errno.h>
|
|
|
|
#include <nuttx/nx/nx.h>
|
|
#include <nuttx/nx/nxtk.h>
|
|
#include <nuttx/nx/nxfonts.h>
|
|
|
|
#include "nx_internal.h"
|
|
|
|
#ifdef CONFIG_NX_KBD
|
|
|
|
/****************************************************************************
|
|
* 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_NX_BPP == 1
|
|
# define RENDERER nxf_convert_1bpp
|
|
#elif CONFIG_EXAMPLES_NX_BPP == 2
|
|
# define RENDERER nxf_convert_2bpp
|
|
#elif CONFIG_EXAMPLES_NX_BPP == 4
|
|
# define RENDERER nxf_convert_4bpp
|
|
#elif CONFIG_EXAMPLES_NX_BPP == 8
|
|
# define RENDERER nxf_convert_8bpp
|
|
#elif CONFIG_EXAMPLES_NX_BPP == 16
|
|
# define RENDERER nxf_convert_16bpp
|
|
#elif CONFIG_EXAMPLES_NX_BPP == 24
|
|
# define RENDERER nxf_convert_24bpp
|
|
#elif CONFIG_EXAMPLES_NX_BPP == 32
|
|
# define RENDERER nxf_convert_32bpp
|
|
#else
|
|
# error "Unsupported CONFIG_EXAMPLES_NX_BPP"
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Private Types
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_fillchar
|
|
****************************************************************************/
|
|
|
|
static void nxeg_fillchar(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
|
|
FAR const struct nxeg_bitmap_s *bm)
|
|
{
|
|
FAR void *src = (FAR void *)bm->glyph->bitmap;
|
|
struct nxgl_rect_s intersection;
|
|
int ret;
|
|
|
|
/* Handle the special case of spaces which have no glyph bitmap */
|
|
|
|
if (src)
|
|
{
|
|
/* Get the intersection of the redraw region and the character bitmap */
|
|
|
|
nxgl_rectintersect(&intersection, rect, &bm->bounds);
|
|
if (!nxgl_nullrect(&intersection))
|
|
{
|
|
#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
|
|
ret = nxtk_bitmapwindow((NXTKWINDOW)hwnd, &intersection, (FAR const void **)&src,
|
|
&bm->bounds.pt1,
|
|
(unsigned int)bm->glyph->stride);
|
|
if (ret < 0)
|
|
{
|
|
printf("nxeg_fillchar: nxtk_bitmapwindow failed: %d\n", errno);
|
|
}
|
|
#else
|
|
ret = nx_bitmap((NXWINDOW)hwnd, &intersection, &src,
|
|
&bm->bounds.pt1,
|
|
(unsigned int)bm->glyph->stride);
|
|
if (ret < 0)
|
|
{
|
|
printf("nxeg_fillchar: nx_bitmapwindow failed: %d\n", errno);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_renderglyph
|
|
****************************************************************************/
|
|
|
|
static inline FAR const struct nxeg_glyph_s *
|
|
nxeg_renderglyph(FAR struct nxeg_state_s *st,
|
|
FAR const struct nx_fontbitmap_s *bm, uint8_t ch)
|
|
{
|
|
FAR struct nxeg_glyph_s *glyph = NULL;
|
|
FAR nxgl_mxpixel_t *ptr;
|
|
#if CONFIG_EXAMPLES_NX_BPP < 8
|
|
nxgl_mxpixel_t pixel;
|
|
#endif
|
|
int bmsize;
|
|
int row;
|
|
int col;
|
|
int ret;
|
|
|
|
/* Make sure that there is room for another glyph */
|
|
|
|
printf("nxeg_renderglyph: ch=%02x\n", ch);
|
|
if (st->nglyphs < NXTK_MAXKBDCHARS)
|
|
{
|
|
/* Allocate the glyph */
|
|
|
|
glyph = &st->glyph[st->nglyphs];
|
|
glyph->code = ch;
|
|
|
|
/* Get the dimensions of the glyph */
|
|
|
|
glyph->width = bm->metric.width + bm->metric.xoffset;
|
|
glyph->height = bm->metric.height + bm->metric.yoffset;
|
|
|
|
/* Allocate memory to hold the glyph with its offsets */
|
|
|
|
glyph->stride = (glyph->width * CONFIG_EXAMPLES_NX_BPP + 7) / 8;
|
|
bmsize = glyph->stride * glyph->height;
|
|
glyph->bitmap = (FAR uint8_t *)malloc(bmsize);
|
|
|
|
if (glyph->bitmap)
|
|
{
|
|
/* Initialize the glyph memory to the background color */
|
|
|
|
#if CONFIG_EXAMPLES_NX_BPP < 8
|
|
pixel = st->color[0];
|
|
# if CONFIG_EXAMPLES_NX_BPP == 1
|
|
/* Pack 1-bit pixels into a 2-bits */
|
|
|
|
pixel &= 0x01;
|
|
pixel = (pixel) << 1 |pixel;
|
|
# endif
|
|
# if CONFIG_EXAMPLES_NX_BPP < 4
|
|
/* Pack 2-bit pixels into a nibble */
|
|
|
|
pixel &= 0x03;
|
|
pixel = (pixel) << 2 |pixel;
|
|
# endif
|
|
|
|
/* Pack 4-bit nibbles into a byte */
|
|
|
|
pixel &= 0x0f;
|
|
pixel = (pixel) << 4 | pixel;
|
|
|
|
ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
|
|
for (row = 0; row < glyph->height; row++)
|
|
{
|
|
for (col = 0; col < glyph->stride; col++)
|
|
{
|
|
/* Transfer the packed bytes into the buffer */
|
|
|
|
*ptr++ = pixel;
|
|
}
|
|
}
|
|
|
|
#elif CONFIG_EXAMPLES_NX_BPP == 24
|
|
# error "Additional logic is needed here for 24bpp support"
|
|
|
|
#else /* CONFIG_EXAMPLES_NX_BPP = {8,16,32} */
|
|
|
|
ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
|
|
for (row = 0; row < glyph->height; row++)
|
|
{
|
|
/* Just copy the color value into the glyph memory */
|
|
|
|
for (col = 0; col < glyph->width; col++)
|
|
{
|
|
*ptr++ = st->color[0];
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* Then render the glyph into the allocated memory */
|
|
|
|
ret = RENDERER((FAR nxgl_mxpixel_t*)glyph->bitmap,
|
|
glyph->height, glyph->width, glyph->stride,
|
|
bm, CONFIG_EXAMPLES_NX_FONTCOLOR);
|
|
if (ret < 0)
|
|
{
|
|
/* Actually, the RENDERER never returns a failure */
|
|
|
|
printf("nxeg_renderglyph: RENDERER failed\n");
|
|
free(glyph->bitmap);
|
|
glyph->bitmap = NULL;
|
|
glyph = NULL;
|
|
}
|
|
else
|
|
{
|
|
/* Make it permanent */
|
|
|
|
st->nglyphs++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return glyph;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_addspace
|
|
****************************************************************************/
|
|
|
|
static inline FAR const struct nxeg_glyph_s *
|
|
nxeg_addspace(FAR struct nxeg_state_s *st, uint8_t ch)
|
|
{
|
|
FAR struct nxeg_glyph_s *glyph = NULL;
|
|
|
|
/* Make sure that there is room for another glyph */
|
|
|
|
if (st->nglyphs < NXTK_MAXKBDCHARS)
|
|
{
|
|
/* Allocate the NULL glyph */
|
|
|
|
glyph = &st->glyph[st->nglyphs];
|
|
memset(glyph, 0, sizeof(struct nxeg_glyph_s));
|
|
|
|
glyph->code = ' ';
|
|
glyph->width = st->spwidth;
|
|
|
|
st->nglyphs++;
|
|
}
|
|
return glyph;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_findglyph
|
|
****************************************************************************/
|
|
|
|
static FAR const struct nxeg_glyph_s *
|
|
nxeg_findglyph(FAR struct nxeg_state_s *st, uint8_t ch)
|
|
{
|
|
int i;
|
|
|
|
/* First, try to find the glyph in the cache of pre-rendered glyphs */
|
|
|
|
for (i = 0; i < st->nglyphs; i++)
|
|
{
|
|
if (st->glyph[i].code == ch)
|
|
{
|
|
return &st->glyph[i];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_getglyph
|
|
****************************************************************************/
|
|
|
|
static FAR const struct nxeg_glyph_s *
|
|
nxeg_getglyph(FAR struct nxeg_state_s *st, uint8_t ch)
|
|
{
|
|
FAR const struct nxeg_glyph_s *glyph;
|
|
FAR const struct nx_fontbitmap_s *bm;
|
|
|
|
/* First, try to find the glyph in the cache of pre-rendered glyphs */
|
|
|
|
glyph = nxeg_findglyph(st, ch);
|
|
if (!glyph)
|
|
{
|
|
/* No, it is not cached... Does the code map to a glyph? */
|
|
|
|
bm = nxf_getbitmap(g_fonthandle, ch);
|
|
if (!bm)
|
|
{
|
|
/* No, there is no glyph for this code. Use space */
|
|
|
|
glyph = nxeg_findglyph(st, ' ');
|
|
if (!glyph)
|
|
{
|
|
/* There isn't fake glyph for ' ' yet... create one */
|
|
|
|
glyph = nxeg_addspace(st, ' ');
|
|
}
|
|
}
|
|
else
|
|
{
|
|
glyph = nxeg_renderglyph(st, bm, ch);
|
|
}
|
|
}
|
|
return glyph;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_addchar
|
|
****************************************************************************/
|
|
|
|
static FAR const struct nxeg_bitmap_s *
|
|
nxeg_addchar(FAR struct nxeg_state_s *st, uint8_t ch)
|
|
{
|
|
FAR struct nxeg_bitmap_s *bm = NULL;
|
|
FAR struct nxeg_bitmap_s *bmleft;
|
|
nxgl_coord_t leftx;
|
|
|
|
/* Is there space for another character on the display? */
|
|
|
|
if (st->nchars < NXTK_MAXKBDCHARS)
|
|
{
|
|
/* Yes, setup the bitmap */
|
|
|
|
bm = &st->bm[st->nchars];
|
|
|
|
/* Find the matching glyph */
|
|
|
|
bm->glyph = nxeg_getglyph(st, ch);
|
|
if (!bm->glyph)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/* Set up the bounds for the bitmap */
|
|
|
|
if (st->nchars <= 0)
|
|
{
|
|
/* The first character is one space from the left */
|
|
|
|
leftx = st->spwidth;
|
|
}
|
|
else
|
|
{
|
|
/* Otherwise, it is to the left of the preceding char */
|
|
|
|
bmleft = &st->bm[st->nchars-1];
|
|
leftx = bmleft->bounds.pt2.x + 1;
|
|
}
|
|
|
|
bm->bounds.pt1.x = leftx;
|
|
bm->bounds.pt1.y = 2;
|
|
bm->bounds.pt2.x = leftx + bm->glyph->width - 1;
|
|
bm->bounds.pt2.y = 2 + bm->glyph->height - 1;
|
|
|
|
st->nchars++;
|
|
}
|
|
return bm;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_addchars
|
|
****************************************************************************/
|
|
|
|
static inline void nxeg_addchars(NXWINDOW hwnd, FAR struct nxeg_state_s *st,
|
|
uint8_t nch, FAR const uint8_t *ch)
|
|
{
|
|
FAR const struct nxeg_bitmap_s *bm;
|
|
|
|
while (nch--)
|
|
{
|
|
bm = nxeg_addchar(st, *ch++);
|
|
if (bm)
|
|
{
|
|
nxeg_fillchar(hwnd, &bm->bounds, bm);
|
|
}
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_kbdin
|
|
****************************************************************************/
|
|
|
|
void nxeg_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
|
|
FAR void *arg)
|
|
{
|
|
FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
|
|
printf("nxeg_kbdin%d: hwnd=%p nch=%d\n", st->wnum, hwnd, nch);
|
|
nxeg_addchars(hwnd, st, nch, ch);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_tbkbdin
|
|
****************************************************************************/
|
|
|
|
#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
|
|
void nxeg_tbkbdin(NXWINDOW hwnd, uint8_t nch, const uint8_t *ch, FAR void *arg)
|
|
{
|
|
FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
|
|
printf("nxeg_tbkbdin: ERROR -- toolbar should not received keyboard input\n");
|
|
printf("nxeg_tbkbdin%d: hwnd=%p nch=%d\n", st->wnum, hwnd, nch);
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: nxeg_filltext
|
|
****************************************************************************/
|
|
|
|
void nxeg_filltext(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
|
|
FAR struct nxeg_state_s *st)
|
|
{
|
|
int i;
|
|
|
|
/* Fill each character on the display (Only the characters within rect
|
|
* will actually be redrawn).
|
|
*/
|
|
|
|
for (i = 0; i < st->nchars; i++)
|
|
{
|
|
nxeg_fillchar(hwnd, rect, &st->bm[i]);
|
|
}
|
|
}
|
|
|
|
#endif /* CONFIG_NX_KBD */
|