module stbi #include "glad.h" import gl #define STB_IMAGE_IMPLEMENTATION #include struct Image { mut: width int height int nr_channels int ok bool data voidptr ext string } import const ( GL_RGBA GL_RGB GL_UNSIGNED_BYTE GL_TEXTURE_2D STBI_rgb_alpha ) fn load(path string) Image { ext := path.all_after('.') mut res := Image { ok: true ext: ext data: 0 } if ext == 'png' { res.data = C.stbi_load(path.str, &res.width, &res.height, &res.nr_channels, STBI_rgb_alpha) } else { res.data = C.stbi_load(path.str, &res.width, &res.height, &res.nr_channels, 0) } if isnil(res.data) { exit('stbi cant load') } return res } fn (img Image) free() { C.stbi_image_free(img.data) } fn (img Image) tex_image_2d() { mut rgb_flag := GL_RGB if img.ext == 'png' { rgb_flag = GL_RGBA } C.glTexImage2D(GL_TEXTURE_2D, 0, rgb_flag, img.width, img.height, 0, rgb_flag, GL_UNSIGNED_BYTE, img.data) } fn set_flip_vertically_on_load(val bool) { C.stbi_set_flip_vertically_on_load(val) }