Mercurial > molko
view src/libmlk-core-js/core/js-painter.c @ 360:51c439068b59
js: add trace bindings
author | David Demelier <markand@malikania.fr> |
---|---|
date | Fri, 22 Oct 2021 13:57:24 +0200 |
parents | 94828af916bb |
children | 460c78706989 |
line wrap: on
line source
/* * js-painter.c -- core painter binding * * Copyright (c) 2020-2021 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <assert.h> #include <core/painter.h> #include "js-painter.h" #include "js-texture.h" static duk_ret_t Painter_getTarget(duk_context *ctx) { struct texture *tex; if (!(tex = painter_get_target())) duk_push_null(ctx); else js_texture_push(ctx, tex); return 1; } static duk_ret_t Painter_setTarget(duk_context *ctx) { if (duk_is_null(ctx, 0)) painter_set_target(NULL); else painter_set_target(js_texture_require(ctx, 0)); return 0; } static duk_ret_t Painter_getColor(duk_context *ctx) { duk_push_number(ctx, painter_get_color()); return 1; } static duk_ret_t Painter_setColor(duk_context *ctx) { const unsigned long color = duk_require_number(ctx, 0); painter_set_color(color); return 0; } static duk_ret_t Painter_drawLine(duk_context *ctx) { const int x1 = duk_require_int(ctx, 0); const int y1 = duk_require_int(ctx, 1); const int x2 = duk_require_int(ctx, 2); const int y2 = duk_require_int(ctx, 3); painter_draw_line(x1, y1, x2, y2); return 0; } static duk_ret_t Painter_drawPoint(duk_context *ctx) { const int x = duk_require_int(ctx, 0); const int y = duk_require_int(ctx, 1); painter_draw_point(x, y); return 0; } static duk_ret_t Painter_drawRectangle(duk_context *ctx) { const int x = duk_require_int(ctx, 0); const int y = duk_require_int(ctx, 1); const unsigned int w = duk_require_uint(ctx, 2); const unsigned int h = duk_require_uint(ctx, 3); painter_draw_rectangle(x, y, w, h); return 0; } static duk_ret_t Painter_drawCircle(duk_context *ctx) { const int x = duk_require_int(ctx, 0); const int y = duk_require_int(ctx, 1); const int r = duk_require_int(ctx, 2); painter_draw_circle(x, y, r); return 0; } static duk_ret_t Painter_clear(duk_context *ctx) { (void)ctx; painter_clear(); return 0; } static duk_ret_t Painter_present(duk_context *ctx) { (void)ctx; painter_present(); return 0; } static const duk_function_list_entry functions[] = { { "drawLine", Painter_drawLine, 4 }, { "drawPoint", Painter_drawPoint, 2 }, { "drawRectangle", Painter_drawRectangle, 4 }, { "drawCircle", Painter_drawCircle, 3 }, { "clear", Painter_clear, 0 }, { "present", Painter_present, 0 }, { NULL, NULL, 0 } }; void js_painter_bind(duk_context *ctx) { assert(ctx); duk_push_global_object(ctx); duk_push_object(ctx); duk_put_function_list(ctx, -1, functions); duk_push_string(ctx, "color"); duk_push_c_function(ctx, Painter_getColor, 0); duk_push_c_function(ctx, Painter_setColor, 1); duk_def_prop(ctx, -4, DUK_DEFPROP_HAVE_SETTER | DUK_DEFPROP_HAVE_GETTER); duk_push_string(ctx, "target"); duk_push_c_function(ctx, Painter_getTarget, 0); duk_push_c_function(ctx, Painter_setTarget, 1); duk_def_prop(ctx, -4, DUK_DEFPROP_HAVE_SETTER | DUK_DEFPROP_HAVE_GETTER); duk_put_prop_string(ctx, -2, "Painter"); duk_pop(ctx); }