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https://github.com/ctruLua/ctruLua.git
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b4d025d602
As the color order of the sf2dlib changed, you have to change it in your code, or use the color.hex() function. To fix the problems, just change "0xRRGGBBAA" to "0xAABBGGRR". Also, the shader compiler changed to Picasso, so you'll need it in order to compile. https://github.com/fincs/picasso
115 lines
2.5 KiB
C
115 lines
2.5 KiB
C
/***
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The `gfx.color` module
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@module ctr.gfx.color
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@usage local color = require("ctr.gfx.color")
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*/
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#include <sf2d.h>
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#include <lua.h>
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#include <lauxlib.h>
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u32 color_default = RGBA8(255, 255, 255, 255);
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u32 color_background = RGBA8(0, 0, 0, 255);
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/***
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Set a color as the default one.
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@function setDefault
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@tparam integer color the color to set as the default one.
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*/
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static int color_setDefault(lua_State *L) {
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color_default = luaL_checkinteger(L, 1);
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return 0;
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}
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/***
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Return the default color.
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@function getDefault
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@treturn integer default color
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*/
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static int color_getDefault(lua_State *L) {
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lua_pushinteger(L, color_default);
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return 1;
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}
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/***
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Set a color as the background one.
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@function setBackground
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@tparam integer color the color to set as the background one.
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*/
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static int color_setBackground(lua_State *L) {
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color_background = luaL_checkinteger(L, 1);
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sf2d_set_clear_color(color_background);
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return 0;
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}
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/***
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Return the background color.
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@function getBackground
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@treturn integer background color
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*/
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static int color_getBackground(lua_State *L) {
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lua_pushinteger(L, color_background);
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return 1;
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}
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/***
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Return a color from red, green, blue and alpha values.
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@function RGBA8
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@tparam integer r the red value (0-255)
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@tparam integer g the green value (0-255)
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@tparam integer b the blue value (0-255)
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@tparam[opt=255] integer a the alpha (opacity) value (0-255)
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@treturn integer the color
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*/
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static int color_RGBA8(lua_State *L) {
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int r = luaL_checkinteger(L, 1);
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int g = luaL_checkinteger(L, 2);
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int b = luaL_checkinteger(L, 3);
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int a = luaL_optinteger(L, 4, 255);
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lua_pushinteger(L, RGBA8(r, g, b, a));
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return 1;
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}
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/***
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Return a color from a hexadecimal value.
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@function hex
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@tparam integer hex the hexadecimal color code: 0xRRGGBBAA
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@treturn integer the color
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*/
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static int color_hex(lua_State *L) {
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u32 hex = luaL_checkinteger(L, 1);
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u8 r = (hex & 0xFF000000) >> 24;
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u8 g = (hex & 0x00FF0000) >> 16;
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u8 b = (hex & 0x0000FF00) >> 8;
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u8 a = (hex & 0x000000FF);
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lua_pushinteger(L, RGBA8(r, g, b, a));
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return 1;
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}
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static const struct luaL_Reg color_lib[] = {
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{ "setDefault", color_setDefault },
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{ "getDefault", color_getDefault },
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{ "setBackground", color_setBackground },
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{ "getBackground", color_getBackground },
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{ "RGBA8", color_RGBA8 },
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{ "hex", color_hex },
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{ NULL, NULL }
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};
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int luaopen_color_lib(lua_State *L) {
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luaL_newlib(L, color_lib);
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return 1;
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}
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void load_color_lib(lua_State *L) {
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luaL_requiref(L, "ctr.gfx.color", luaopen_color_lib, false);
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}
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