Mercurial > molko
annotate src/libmlk-core-js/core/js-font.c @ 356:26636fdb735d
js: fix warning
| author | David Demelier <markand@malikania.fr> |
|---|---|
| date | Fri, 22 Oct 2021 10:58:21 +0200 |
| parents | 9eb25198d706 |
| children | 39f5d932941a |
| rev | line source |
|---|---|
| 339 | 1 /* |
| 2 * js-font.c -- core texture binding | |
| 3 * | |
| 4 * Copyright (c) 2020-2021 David Demelier <markand@malikania.fr> | |
| 5 * | |
| 6 * Permission to use, copy, modify, and/or distribute this software for any | |
| 7 * purpose with or without fee is hereby granted, provided that the above | |
| 8 * copyright notice and this permission notice appear in all copies. | |
| 9 * | |
| 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
| 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 17 */ | |
| 18 | |
| 19 #include <assert.h> | |
| 20 | |
| 21 #include <core/alloc.h> | |
| 22 #include <core/error.h> | |
| 23 #include <core/font.h> | |
| 24 #include <core/texture.h> | |
| 25 #include <core/vfs.h> | |
| 26 | |
| 27 #include "js-core.h" | |
| 28 #include "js-font.h" | |
| 29 #include "js-texture.h" | |
| 30 | |
| 31 #define SIGNATURE DUK_HIDDEN_SYMBOL("Mlk.Font") | |
| 32 | |
| 33 static inline struct font * | |
| 34 self(duk_context *ctx) | |
| 35 { | |
| 36 struct font *font; | |
| 37 | |
| 38 duk_push_this(ctx); | |
| 39 duk_get_prop_string(ctx, -1, SIGNATURE); | |
| 40 font = duk_to_pointer(ctx, -1); | |
| 41 duk_pop_2(ctx); | |
| 42 | |
| 43 if (!font) | |
| 44 duk_error(ctx, DUK_ERR_TYPE_ERROR, "not a Font object"); | |
| 45 | |
| 46 return font; | |
| 47 } | |
| 48 | |
| 49 static duk_ret_t | |
| 50 Font_getStyle(duk_context *ctx) | |
| 51 { | |
| 52 duk_push_int(ctx, self(ctx)->style); | |
| 53 | |
| 54 return 1; | |
| 55 } | |
| 56 | |
| 57 static duk_ret_t | |
| 58 Font_setStyle(duk_context *ctx) | |
| 59 { | |
| 60 const int style = duk_require_int(ctx, 0); | |
| 61 | |
| 62 if (style < 0 || style >= FONT_STYLE_LAST) | |
| 63 duk_error(ctx, DUK_ERR_ERROR, "invalid style"); | |
| 64 | |
| 65 self(ctx)->style = style; | |
| 66 | |
| 67 return 0; | |
| 68 } | |
| 69 | |
| 70 static duk_ret_t | |
| 71 Font_getHeight(duk_context *ctx) | |
| 72 { | |
| 73 duk_push_uint(ctx, font_height(self(ctx))); | |
| 74 | |
| 75 return 1; | |
| 76 } | |
| 77 | |
| 78 static duk_ret_t | |
| 79 Font_new(duk_context *ctx) | |
| 80 { | |
| 81 const char *entry = duk_require_string(ctx, 0); | |
| 82 const unsigned int size = duk_require_uint(ctx, 1); | |
| 83 struct vfs_file file; | |
| 84 struct font *font; | |
| 85 | |
| 86 if (vfs_open(js_core_global_vfs(ctx), &file, entry, "r") < 0) | |
| 87 duk_error(ctx, DUK_ERR_ERROR, "%s", error()); | |
| 88 | |
| 89 font = alloc_new0(sizeof (*font)); | |
| 90 | |
| 91 if (font_openvfs(font, &file, size) < 0) { | |
| 92 free(font); | |
| 93 vfs_file_finish(&file); | |
| 94 duk_error(ctx, DUK_ERR_ERROR, "%s", error()); | |
| 95 } | |
| 96 | |
| 97 vfs_file_finish(&file); | |
| 98 | |
| 99 duk_push_this(ctx); | |
| 100 duk_push_pointer(ctx, font); | |
| 101 duk_put_prop_string(ctx, -2, SIGNATURE); | |
| 102 duk_push_string(ctx, "style"); | |
| 103 duk_push_c_function(ctx, Font_getStyle, 0); | |
| 104 duk_push_c_function(ctx, Font_setStyle, 1); | |
| 105 duk_def_prop(ctx, -4, DUK_DEFPROP_HAVE_GETTER | DUK_DEFPROP_HAVE_SETTER); | |
| 106 duk_push_string(ctx, "height"); | |
| 107 duk_push_c_function(ctx, Font_getHeight, 0); | |
| 108 duk_def_prop(ctx, -3, DUK_DEFPROP_HAVE_GETTER); | |
| 109 duk_pop(ctx); | |
| 110 | |
| 111 return 0; | |
| 112 } | |
| 113 | |
| 114 static duk_ret_t | |
| 115 Font_render(duk_context *ctx) | |
| 116 { | |
| 117 const char *text = duk_require_string(ctx, 0); | |
| 118 unsigned long color = duk_require_uint(ctx, 1); | |
| 119 struct texture *tex; | |
| 120 | |
| 121 tex = alloc_new0(sizeof (*tex)); | |
| 122 | |
| 123 if (font_render(self(ctx), tex, text, color) < 0) { | |
| 124 free(tex); | |
| 125 duk_error(ctx, DUK_ERR_ERROR, "%s", error()); | |
| 126 } | |
| 127 | |
| 128 js_texture_push(ctx, tex); | |
| 129 | |
| 130 return 1; | |
| 131 } | |
| 132 | |
| 133 static duk_ret_t | |
| 134 Font_query(duk_context *ctx) | |
| 135 { | |
| 136 const char *text = duk_require_string(ctx, 0); | |
| 137 unsigned int w, h; | |
| 138 | |
| 139 if (font_query(self(ctx), text, &w, &h) < 0) | |
| 140 duk_error(ctx, DUK_ERR_ERROR, "%s", error()); | |
| 141 | |
| 142 duk_push_object(ctx); | |
| 143 duk_push_uint(ctx, w); | |
| 144 duk_put_prop_string(ctx, -2, "w"); | |
| 145 duk_push_uint(ctx, h); | |
| 146 duk_put_prop_string(ctx, -2, "h"); | |
| 147 | |
| 148 return 1; | |
| 149 } | |
| 150 | |
|
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js: forgot font destructor
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151 static duk_ret_t |
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152 Font_destructor(duk_context *ctx) |
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parents:
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153 { |
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parents:
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154 struct font *font; |
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155 |
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156 duk_get_prop_string(ctx, 0, SIGNATURE); |
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157 |
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158 if ((font = duk_to_pointer(ctx, -1))) |
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159 font_finish(font); |
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160 |
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161 duk_pop(ctx); |
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162 duk_del_prop_string(ctx, 0, SIGNATURE); |
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163 |
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164 return 0; |
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parents:
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165 } |
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parents:
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166 |
| 339 | 167 static const struct duk_function_list_entry methods[] = { |
| 168 { "render", Font_render, 2 }, | |
| 169 { "query", Font_query, 1 }, | |
| 170 { NULL, NULL, 0 } | |
| 171 }; | |
| 172 | |
| 173 static const struct duk_number_list_entry styles[] = { | |
| 174 { "ANTIALIASED", FONT_STYLE_ANTIALIASED, }, | |
| 175 { "NONE", FONT_STYLE_NONE }, | |
| 176 { NULL, 0 } | |
| 177 }; | |
| 178 | |
| 179 void | |
| 180 js_font_bind(duk_context *ctx) | |
| 181 { | |
| 182 assert(ctx); | |
| 183 | |
| 184 duk_push_c_function(ctx, Font_new, 2); | |
| 185 duk_push_object(ctx); | |
| 186 duk_put_number_list(ctx, -1, styles); | |
| 187 duk_put_prop_string(ctx, -2, "Style"); | |
| 188 duk_push_object(ctx); | |
| 189 duk_put_function_list(ctx, -1, methods); | |
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js: forgot font destructor
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parents:
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190 duk_push_c_function(ctx, Font_destructor, 1); |
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191 duk_set_finalizer(ctx, -2); |
| 339 | 192 duk_put_prop_string(ctx, -2, "prototype"); |
| 193 duk_put_global_string(ctx, "Font"); | |
| 194 } |