1 /**
2 * Copyright (c) 2006-2016 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 "common/wrap_Data.h"
24
25 namespace love
26 {
27 namespace font
28 {
29
luax_checkrasterizer(lua_State * L,int idx)30 Rasterizer *luax_checkrasterizer(lua_State *L, int idx)
31 {
32 return luax_checktype<Rasterizer>(L, idx, FONT_RASTERIZER_ID);
33 }
34
w_Rasterizer_getHeight(lua_State * L)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
w_Rasterizer_getAdvance(lua_State * L)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
w_Rasterizer_getAscent(lua_State * L)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
w_Rasterizer_getDescent(lua_State * L)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
w_Rasterizer_getLineHeight(lua_State * L)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
w_Rasterizer_getGlyphData(lua_State * L)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, FONT_GLYPH_DATA_ID, g);
90 g->release();
91 return 1;
92 }
93
w_Rasterizer_getGlyphCount(lua_State * L)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
w_Rasterizer_hasGlyphs(lua_State * L)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
luaopen_rasterizer(lua_State * L)140 extern "C" int luaopen_rasterizer(lua_State *L)
141 {
142 return luax_register_type(L, FONT_RASTERIZER_ID, "Rasterizer", w_Rasterizer_functions, nullptr);
143 }
144
145 } // font
146 } // love
147