/**************************************************************************** * examples/nx/nx_kbdin.c * * Copyright (C) 2008 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include #include #include #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 == 8 # define RENDERER nxf_convert_8bpp #elif CONFIG_EXAMPLES_NX_BPP == 16 # define RENDERER nxf_convert_16bpp #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) { struct nxgl_rect_s intersection; int ret; /* Get the intersection of the redraw region and the characer bitmap */ nxgl_rectintersect(&intersection, rect, &bm->bounds); if (!nxgl_nullrect(&intersection)) { FAR void *src = (FAR void *)bm->glyph->bitmap; #ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS ret = nxtk_bitmapwindow((NXTKWINDOW)hwnd, &intersection, &src, &bm->bounds.pt1, (unsigned int)bm->glyph->stride); if (ret < 0) { message("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) { message("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, ubyte ch) { FAR struct nxeg_glyph_s *glyph = NULL; FAR nxgl_mxpixel_t *ptr; int bmsize; int row; int col; /* Make sure that there is room for another glyph */ message("nxeg_renderglyph: ch=%02x\n", ch); if (st->nglyphs < NXTK_MAXKBDCHARS) { /* Allocate the glyph */ glyph = &st->glyph[st->nglyphs]; glyph->code = ch; /* Allocate the maximum size for the bitmap */ glyph->stride = (st->width * CONFIG_EXAMPLES_NX_BPP + 4) / 8; bmsize = glyph->stride * st->height; glyph->bitmap = (FAR ubyte *)malloc(bmsize); if (glyph->bitmap) { /* Initialize the glyph memory to the background color */ #if CONFIG_EXAMPLES_NX_BPP < 8 || CONFIG_EXAMPLES_NX_BPP == 24 # error "Additional logic is needed here" #else ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap; for (row = 0; row < st->height; row++) { for (col = 0; col < st->width; col++) { *ptr++ = st->color[0]; } } #endif /* Then render the glyph into the allocated memory */ glyph->width = RENDERER((FAR nxgl_mxpixel_t*)glyph->bitmap, st->height, st->width, glyph->stride, ch, CONFIG_EXAMPLES_NX_FONTCOLOR); if (glyph->width <= 0) { message("nxeg_renderglyph: RENDERER returned width=%d\n", glyph->width); free(glyph->bitmap); glyph->bitmap = NULL; glyph = NULL; } else { /* Make it permanent */ st->nglyphs++; } } } return glyph; } /**************************************************************************** * Name: nxeg_getglyph ****************************************************************************/ static FAR const struct nxeg_glyph_s * nxeg_getglyph(FAR struct nxeg_state_s *st, ubyte 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]; } } /* No, it is not cached... render it now and add it to the cache */ return nxeg_renderglyph(st, ch); } /**************************************************************************** * Name: nxeg_addchar ****************************************************************************/ static FAR const struct nxeg_bitmap_s * nxeg_addchar(FAR struct nxeg_state_s *st, ubyte ch) { FAR struct nxeg_bitmap_s *bm = NULL; FAR struct nxeg_bitmap_s *bmleft; FAR const struct nx_font_s *fontset; 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 */ fontset = nxf_getfontset(); leftx = fontset->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 + st->height - 1; st->nchars++; } return bm; } /**************************************************************************** * Name: nxeg_addchars ****************************************************************************/ static inline void nxeg_addchars(NXWINDOW hwnd, FAR struct nxeg_state_s *st, ubyte nch, FAR const ubyte *ch) { FAR const struct nxeg_bitmap_s *bm; while (nch--) { bm = nxeg_addchar(st, *ch++); nxeg_fillchar(hwnd, &bm->bounds, bm); } } /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: nxeg_kbdin ****************************************************************************/ void nxeg_kbdin(NXWINDOW hwnd, ubyte nch, FAR const ubyte *ch, FAR void *arg) { FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg; message("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, ubyte nch, const ubyte *ch, FAR void *arg) { FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg; message("nxeg_tbkbdin: ERROR -- toolbar should not received keyboard input\n"); message("nxeg_tbkbdin%d: hwnd=%p nch=%d\n", st->wnum, hwnd, nch); nxeg_kbdinfo(nch, ch); } #endif /**************************************************************************** * Name: nxeg_tbkbdin ****************************************************************************/ void nxeg_filltext(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect, FAR struct nxeg_state_s *st) { int i; for (i = 0; i < st->nchars; i++) { nxeg_fillchar(hwnd, rect, &st->bm[i]); } } #endif /* CONFIG_NX_KBD */