mirror of https://github.com/bjornbytes/lovr.git
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
#include "api.h"
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#include "data/rasterizer.h"
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#include "util.h"
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#include <lua.h>
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#include <lauxlib.h>
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static int l_lovrRasterizerGetHeight(lua_State* L) {
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Rasterizer* rasterizer = luax_checktype(L, 1, Rasterizer);
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lua_pushinteger(L, lovrRasterizerGetHeight(rasterizer));
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return 1;
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}
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static int l_lovrRasterizerGetAdvance(lua_State* L) {
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Rasterizer* rasterizer = luax_checktype(L, 1, Rasterizer);
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lua_pushinteger(L, lovrRasterizerGetAdvance(rasterizer));
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return 1;
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}
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static int l_lovrRasterizerGetAscent(lua_State* L) {
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Rasterizer* rasterizer = luax_checktype(L, 1, Rasterizer);
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lua_pushinteger(L, lovrRasterizerGetAscent(rasterizer));
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return 1;
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}
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static int l_lovrRasterizerGetDescent(lua_State* L) {
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Rasterizer* rasterizer = luax_checktype(L, 1, Rasterizer);
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lua_pushinteger(L, lovrRasterizerGetDescent(rasterizer));
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return 1;
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}
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static int l_lovrRasterizerGetLineHeight(lua_State* L) {
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Rasterizer* rasterizer = luax_checktype(L, 1, Rasterizer);
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lua_pushinteger(L, lovrRasterizerGetHeight(rasterizer) * 1.25f);
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return 1;
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}
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static int l_lovrRasterizerGetGlyphCount(lua_State* L) {
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Rasterizer* rasterizer = luax_checktype(L, 1, Rasterizer);
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lua_pushinteger(L, lovrRasterizerGetGlyphCount(rasterizer));
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return 1;
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}
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static int l_lovrRasterizerHasGlyphs(lua_State* L) {
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Rasterizer* rasterizer = luax_checktype(L, 1, Rasterizer);
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bool hasGlyphs = true;
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for (int i = 2; i <= lua_gettop(L); i++) {
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if (lua_type(L, i) == LUA_TSTRING) {
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hasGlyphs &= lovrRasterizerHasGlyphs(rasterizer, lua_tostring(L, i));
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} else {
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hasGlyphs &= lovrRasterizerHasGlyph(rasterizer, luax_checku32(L, i));
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}
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}
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lua_pushboolean(L, hasGlyphs);
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return 1;
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}
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static int l_lovrRasterizerGetWidth(lua_State* L) {
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Rasterizer* rasterizer = luax_checktype(L, 1, Rasterizer);
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size_t length;
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const char* string = luaL_checklstring(L, 2, &length);
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float wrap = luax_optfloat(L, 4, 0.f);
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float width, lastLineWidth, height;
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uint32_t lineCount, glyphCount;
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lovrRasterizerMeasure(rasterizer, string, length, wrap, &width, &lastLineWidth, &height, &lineCount, &glyphCount);
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lua_pushnumber(L, width);
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lua_pushnumber(L, lineCount + 1);
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lua_pushnumber(L, lastLineWidth);
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return 2;
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}
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const luaL_Reg lovrRasterizer[] = {
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{ "getHeight", l_lovrRasterizerGetHeight },
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{ "getAdvance", l_lovrRasterizerGetAdvance },
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{ "getAscent", l_lovrRasterizerGetAscent },
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{ "getDescent", l_lovrRasterizerGetDescent },
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{ "getLineHeight", l_lovrRasterizerGetLineHeight },
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{ "getGlyphCount", l_lovrRasterizerGetGlyphCount },
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{ "hasGlyphs", l_lovrRasterizerHasGlyphs },
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{ "getWidth", l_lovrRasterizerGetWidth },
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{ NULL, NULL }
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};
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