| 1 | /** |
| 2 | * Copyright (c) 2006-2023 LOVE Development Team |
| 3 | * |
| 4 | * This software is provided 'as-is', without any express or implied |
| 5 | * warranty. In no event will the authors be held liable for any damages |
| 6 | * arising from the use of this software. |
| 7 | * |
| 8 | * Permission is granted to anyone to use this software for any purpose, |
| 9 | * including commercial applications, and to alter it and redistribute it |
| 10 | * freely, subject to the following restrictions: |
| 11 | * |
| 12 | * 1. The origin of this software must not be misrepresented; you must not |
| 13 | * claim that you wrote the original software. If you use this software |
| 14 | * in a product, an acknowledgment in the product documentation would be |
| 15 | * appreciated but is not required. |
| 16 | * 2. Altered source versions must be plainly marked as such, and must not be |
| 17 | * misrepresented as being the original software. |
| 18 | * 3. This notice may not be removed or altered from any source distribution. |
| 19 | **/ |
| 20 | |
| 21 | #include "wrap_Rasterizer.h" |
| 22 | |
| 23 | #include "data/wrap_Data.h" |
| 24 | |
| 25 | namespace love |
| 26 | { |
| 27 | namespace font |
| 28 | { |
| 29 | |
| 30 | Rasterizer *luax_checkrasterizer(lua_State *L, int idx) |
| 31 | { |
| 32 | return luax_checktype<Rasterizer>(L, idx); |
| 33 | } |
| 34 | |
| 35 | int w_Rasterizer_getHeight(lua_State *L) |
| 36 | { |
| 37 | Rasterizer *t = luax_checkrasterizer(L, 1); |
| 38 | lua_pushinteger(L, t->getHeight()); |
| 39 | return 1; |
| 40 | } |
| 41 | |
| 42 | int w_Rasterizer_getAdvance(lua_State *L) |
| 43 | { |
| 44 | Rasterizer *t = luax_checkrasterizer(L, 1); |
| 45 | lua_pushinteger(L, t->getAdvance()); |
| 46 | return 1; |
| 47 | } |
| 48 | |
| 49 | int w_Rasterizer_getAscent(lua_State *L) |
| 50 | { |
| 51 | Rasterizer *t = luax_checkrasterizer(L, 1); |
| 52 | lua_pushinteger(L, t->getAscent()); |
| 53 | return 1; |
| 54 | } |
| 55 | |
| 56 | int w_Rasterizer_getDescent(lua_State *L) |
| 57 | { |
| 58 | Rasterizer *t = luax_checkrasterizer(L, 1); |
| 59 | lua_pushinteger(L, t->getDescent()); |
| 60 | return 1; |
| 61 | } |
| 62 | |
| 63 | int w_Rasterizer_getLineHeight(lua_State *L) |
| 64 | { |
| 65 | Rasterizer *t = luax_checkrasterizer(L, 1); |
| 66 | lua_pushinteger(L, t->getLineHeight()); |
| 67 | return 1; |
| 68 | } |
| 69 | |
| 70 | int w_Rasterizer_getGlyphData(lua_State *L) |
| 71 | { |
| 72 | Rasterizer *t = luax_checkrasterizer(L, 1); |
| 73 | GlyphData *g = 0; |
| 74 | |
| 75 | luax_catchexcept(L, [&]() { |
| 76 | // getGlyphData accepts a unicode character or a codepoint number. |
| 77 | if (lua_type(L, 2) == LUA_TSTRING) |
| 78 | { |
| 79 | std::string glyph = luax_checkstring(L, 2); |
| 80 | g = t->getGlyphData(glyph); |
| 81 | } |
| 82 | else |
| 83 | { |
| 84 | uint32 glyph = (uint32) luaL_checknumber(L, 2); |
| 85 | g = t->getGlyphData(glyph); |
| 86 | } |
| 87 | }); |
| 88 | |
| 89 | luax_pushtype(L, g); |
| 90 | g->release(); |
| 91 | return 1; |
| 92 | } |
| 93 | |
| 94 | int w_Rasterizer_getGlyphCount(lua_State *L) |
| 95 | { |
| 96 | Rasterizer *t = luax_checkrasterizer(L, 1); |
| 97 | lua_pushinteger(L, t->getGlyphCount()); |
| 98 | return 1; |
| 99 | } |
| 100 | |
| 101 | int w_Rasterizer_hasGlyphs(lua_State *L) |
| 102 | { |
| 103 | Rasterizer *t = luax_checkrasterizer(L, 1); |
| 104 | |
| 105 | bool hasglyph = false; |
| 106 | |
| 107 | int count = lua_gettop(L) - 1; |
| 108 | count = count < 1 ? 1 : count; |
| 109 | |
| 110 | luax_catchexcept(L, [&]() { |
| 111 | for (int i = 2; i < count + 2; i++) |
| 112 | { |
| 113 | if (lua_type(L, i) == LUA_TSTRING) |
| 114 | hasglyph = t->hasGlyphs(luax_checkstring(L, i)); |
| 115 | else |
| 116 | hasglyph = t->hasGlyph((uint32) luaL_checknumber(L, i)); |
| 117 | |
| 118 | if (!hasglyph) |
| 119 | break; |
| 120 | } |
| 121 | }); |
| 122 | |
| 123 | luax_pushboolean(L, hasglyph); |
| 124 | return 1; |
| 125 | } |
| 126 | |
| 127 | const luaL_Reg w_Rasterizer_functions[] = |
| 128 | { |
| 129 | { "getHeight" , w_Rasterizer_getHeight }, |
| 130 | { "getAdvance" , w_Rasterizer_getAdvance }, |
| 131 | { "getAscent" , w_Rasterizer_getAscent }, |
| 132 | { "getDescent" , w_Rasterizer_getDescent }, |
| 133 | { "getLineHeight" , w_Rasterizer_getLineHeight }, |
| 134 | { "getGlyphData" , w_Rasterizer_getGlyphData }, |
| 135 | { "getGlyphCount" , w_Rasterizer_getGlyphCount }, |
| 136 | { "hasGlyphs" , w_Rasterizer_hasGlyphs }, |
| 137 | { 0, 0 } |
| 138 | }; |
| 139 | |
| 140 | extern "C" int luaopen_rasterizer(lua_State *L) |
| 141 | { |
| 142 | return luax_register_type(L, &Rasterizer::type, w_Rasterizer_functions, nullptr); |
| 143 | } |
| 144 | |
| 145 | } // font |
| 146 | } // love |
| 147 | |