2024-02-16 03:53:28 +00:00
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/*-
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* Copyright (c) 2024 Netflix, Inc
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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/* Copied from a file that likely shoulve have had this at the top */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright 2020 Toomas Soome
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* Copyright 2020 RackTop Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*******************************************************************
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** g f x _ l o a d e r . c
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** Additional FICL words designed for FreeBSD's loader
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** for graphics
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*******************************************************************/
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#include <stand.h>
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#include "bootstrap.h"
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#include <gfx_fb.h>
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#include <pnglite.h>
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#include "ficl.h"
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/* FreeBSD's loader interaction words and extras
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* for graphics
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* fb-bezier ( x0 y0 x1 y1 x2 y2 wd -- )
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* fb-drawrect ( x1 y1 x2 y2 fill -- )
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* fb-line ( x0 y0 x1 y1 wd -- )
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* fb-putimage ( flags x1 y1 x2 y2 -- flag )
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* fb-setpixel ( x y -- )
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* term-drawrect ( x1 y1 x2 y2 fill -- )
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* term-putimage ( flags x1 y1 x2 y2 -- flag )
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*/
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/* ( flags x1 y1 x2 y2 -- flag ) */
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void
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ficl_term_putimage(FICL_VM *pVM)
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{
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char *namep, *name;
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int names;
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unsigned long ret = FICL_FALSE;
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uint32_t x1, y1, x2, y2, f;
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png_t png;
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int error;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 7, 1);
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#endif
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names = stackPopINT(pVM->pStack);
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namep = (char *) stackPopPtr(pVM->pStack);
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y2 = stackPopINT(pVM->pStack);
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x2 = stackPopINT(pVM->pStack);
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y1 = stackPopINT(pVM->pStack);
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x1 = stackPopINT(pVM->pStack);
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f = stackPopINT(pVM->pStack);
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x1 = gfx_state.tg_origin.tp_col + x1 * gfx_state.tg_font.vf_width;
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y1 = gfx_state.tg_origin.tp_row + y1 * gfx_state.tg_font.vf_height;
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if (x2 != 0) {
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x2 = gfx_state.tg_origin.tp_col +
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x2 * gfx_state.tg_font.vf_width;
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}
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if (y2 != 0) {
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y2 = gfx_state.tg_origin.tp_row +
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y2 * gfx_state.tg_font.vf_height;
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}
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name = ficlMalloc(names + 1);
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if (!name)
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vmThrowErr(pVM, "Error: out of memory");
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(void) strncpy(name, namep, names);
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name[names] = '\0';
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if ((error = png_open(&png, name)) != PNG_NO_ERROR) {
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if (f & FL_PUTIMAGE_DEBUG)
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printf("%s\n", png_error_string(error));
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} else {
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if (gfx_fb_putimage(&png, x1, y1, x2, y2, f) == 0)
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ret = FICL_TRUE; /* success */
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(void) png_close(&png);
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}
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ficlFree(name);
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stackPushUNS(pVM->pStack, ret);
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}
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/* ( flags x1 y1 x2 y2 -- flag ) */
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void
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ficl_fb_putimage(FICL_VM *pVM)
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{
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char *namep, *name;
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int names;
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unsigned long ret = FICL_FALSE;
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uint32_t x1, y1, x2, y2, f;
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png_t png;
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int error;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 7, 1);
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#endif
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names = stackPopINT(pVM->pStack);
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namep = (char *) stackPopPtr(pVM->pStack);
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y2 = stackPopINT(pVM->pStack);
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x2 = stackPopINT(pVM->pStack);
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y1 = stackPopINT(pVM->pStack);
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x1 = stackPopINT(pVM->pStack);
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f = stackPopINT(pVM->pStack);
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name = ficlMalloc(names + 1);
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if (!name)
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vmThrowErr(pVM, "Error: out of memory");
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(void) strncpy(name, namep, names);
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name[names] = '\0';
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if ((error = png_open(&png, name)) != PNG_NO_ERROR) {
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if (f & FL_PUTIMAGE_DEBUG)
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printf("%s\n", png_error_string(error));
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} else {
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if (gfx_fb_putimage(&png, x1, y1, x2, y2, f) == 0)
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ret = FICL_TRUE; /* success */
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(void) png_close(&png);
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}
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ficlFree(name);
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stackPushUNS(pVM->pStack, ret);
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}
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void
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ficl_fb_setpixel(FICL_VM *pVM)
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{
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FICL_UNS x, y;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 2, 0);
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#endif
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y = stackPopUNS(pVM->pStack);
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x = stackPopUNS(pVM->pStack);
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gfx_fb_setpixel(x, y);
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}
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void
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ficl_fb_line(FICL_VM *pVM)
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{
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FICL_UNS x0, y0, x1, y1, wd;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 5, 0);
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#endif
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wd = stackPopUNS(pVM->pStack);
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y1 = stackPopUNS(pVM->pStack);
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x1 = stackPopUNS(pVM->pStack);
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y0 = stackPopUNS(pVM->pStack);
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x0 = stackPopUNS(pVM->pStack);
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gfx_fb_line(x0, y0, x1, y1, wd);
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}
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void
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ficl_fb_bezier(FICL_VM *pVM)
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{
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FICL_UNS x0, y0, x1, y1, x2, y2, width;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 7, 0);
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#endif
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width = stackPopUNS(pVM->pStack);
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y2 = stackPopUNS(pVM->pStack);
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x2 = stackPopUNS(pVM->pStack);
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y1 = stackPopUNS(pVM->pStack);
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x1 = stackPopUNS(pVM->pStack);
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y0 = stackPopUNS(pVM->pStack);
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x0 = stackPopUNS(pVM->pStack);
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gfx_fb_bezier(x0, y0, x1, y1, x2, y2, width);
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}
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void
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ficl_fb_drawrect(FICL_VM *pVM)
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{
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FICL_UNS x1, x2, y1, y2, fill;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 5, 0);
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#endif
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fill = stackPopUNS(pVM->pStack);
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y2 = stackPopUNS(pVM->pStack);
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x2 = stackPopUNS(pVM->pStack);
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y1 = stackPopUNS(pVM->pStack);
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x1 = stackPopUNS(pVM->pStack);
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gfx_fb_drawrect(x1, y1, x2, y2, fill);
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}
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void
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ficl_term_drawrect(FICL_VM *pVM)
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{
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FICL_UNS x1, x2, y1, y2;
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#if FICL_ROBUST > 1
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vmCheckStack(pVM, 4, 0);
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#endif
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y2 = stackPopUNS(pVM->pStack);
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x2 = stackPopUNS(pVM->pStack);
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y1 = stackPopUNS(pVM->pStack);
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x1 = stackPopUNS(pVM->pStack);
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gfx_term_drawrect(x1, y1, x2, y2);
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}
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/**************************************************************************
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f i c l C o m p i l e G f x
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** Build FreeBSD platform extensions into the system dictionary
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** for gfx
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**************************************************************************/
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static void ficlCompileGfx(FICL_SYSTEM *pSys)
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{
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ficlCompileFcn **fnpp;
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FICL_DICT *dp = pSys->dp;
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assert (dp);
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dictAppendWord(dp, "fb-setpixel", ficl_fb_setpixel, FW_DEFAULT);
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dictAppendWord(dp, "fb-line", ficl_fb_line, FW_DEFAULT);
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dictAppendWord(dp, "fb-bezier", ficl_fb_bezier, FW_DEFAULT);
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dictAppendWord(dp, "fb-drawrect", ficl_fb_drawrect, FW_DEFAULT);
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dictAppendWord(dp, "fb-putimage", ficl_fb_putimage, FW_DEFAULT);
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dictAppendWord(dp, "term-drawrect", ficl_term_drawrect, FW_DEFAULT);
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dictAppendWord(dp, "term-putimage", ficl_term_putimage, FW_DEFAULT);
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return;
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}
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FICL_COMPILE_SET(ficlCompileGfx);
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void
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2024-02-24 04:22:08 +00:00
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gfx_interp_ref(void)
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2024-02-16 03:53:28 +00:00
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{
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}
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