diff options
author | sanine <sanine.not@pm.me> | 2022-08-23 13:38:27 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-08-23 13:38:27 -0500 |
commit | 3afbf2a13b2dada445fb667bf25600407fea480a (patch) | |
tree | 551329e6f74fc9f177616de0d6739e8b5331ae96 /src/image/image.c | |
parent | 261e3f991221fbad6bbf262f5e65b773e4b6c73e (diff) | |
parent | 25ed7eb9f84e9a822f698ad803901fbb2a5354cf (diff) |
:wMerge branch 'gl-window' into main
Diffstat (limited to 'src/image/image.c')
-rw-r--r-- | src/image/image.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/image/image.c b/src/image/image.c new file mode 100644 index 0000000..cf08625 --- /dev/null +++ b/src/image/image.c @@ -0,0 +1,43 @@ +#include <lua.h> +#include <honeysuckle.h> +#define STB_IMAGE_IMPLEMENTATION +#include "stb_image.h" +#include "image.h" + +int load_image(lua_State *L) +{ + char *filename; + lua_Integer requested_channels; + hs_parse_args(L, hs_str(filename), hs_int(requested_channels)); + + int width, height, channels; + unsigned char *data = stbi_load(filename, &width, &height, &channels, requested_channels); + + if (data == NULL) hs_throw_error(L, "failed to load image '%s'", filename); + + lua_pushlightuserdata(L, data); + lua_pushinteger(L, width); + lua_pushinteger(L, height); + lua_pushinteger(L, channels); + return 4; +} + + +int free_image(lua_State *L) +{ + void *data; + hs_parse_args(L, hs_light(data)); + stbi_image_free(data); + return 0; +} + + +void setup_image(lua_State *L, int honey_index) +{ + hs_create_table(L, + hs_str_cfunc("load", load_image), + hs_str_cfunc("destroy", free_image), + ); + + lua_setfield(L, honey_index, "image"); +} |