ilA_img *ilG_gui_textlayout_render(ilG_gui_textlayout *self, float col[4], enum ilG_gui_textoptions opts)
{
(void)opts;
unsigned w = 0, h = 0;
unsigned x = 0, y = 0;
int bx = 0, by = 0;
int scale = 64;
unsigned i;
self->cairo_ft_face = cairo_ft_font_face_create_for_ft_face(self->ft_face, 0);
self->hb_ft_face = hb_ft_face_create(self->ft_face, NULL);
x *= scale;
y *= scale;
self->cairo_glyphs = calloc(self->glyph_count, sizeof(cairo_glyph_t));
for (i = 0; i < self->glyph_count; i++) {
self->cairo_glyphs[i].index = self->glyph_info[i].codepoint;
self->cairo_glyphs[i].x = (x + self->glyph_pos[i].x_offset)/scale;
self->cairo_glyphs[i].y = (y + self->glyph_pos[i].y_offset)/scale;
x += self->glyph_pos[i].x_advance;
y += self->glyph_pos[i].y_advance;
}
ilG_gui_textlayout_getExtents(self, &w, &h, &bx, &by, NULL, NULL);
self->surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
self->cr = cairo_create(self->surface);
cairo_translate(self->cr, -bx, 1-by);
cairo_set_source_rgba(self->cr, col[0], col[1], col[2], col[3]);
cairo_set_font_face(self->cr, self->cairo_ft_face);
cairo_set_font_size(self->cr, self->pt);
cairo_show_glyphs(self->cr, self->cairo_glyphs, self->glyph_count);
cairo_surface_flush(self->surface);
ilA_img *preswizzle = ilA_img_fromdata(cairo_image_surface_get_data(self->surface), w, h, 8, ILA_IMG_RGBA);
/* R G B A | 0x
* B 0 0 1 0 | 2
* G 0 1 0 0 | 4
* R 1 0 0 0 | 8
* A 0 0 0 1 | 1
*/
ilA_img *img = ilA_img_bgra_to_rgba(preswizzle);//ilA_img_swizzle(preswizzle, 0x2481);
ilA_img_free(preswizzle);
return img;
}
void ilG_tex_loadcube(ilG_tex *tex, struct ilA_img faces[6])
{
static const GLenum targets[6] = {
GL_TEXTURE_CUBE_MAP_POSITIVE_X,
GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
};
tex->target = GL_TEXTURE_CUBE_MAP;
glGenTextures(1, &tex->object);
glBindTexture(GL_TEXTURE_CUBE_MAP, tex->object);
for (unsigned i = 0; i < 6; i++) {
glTexImage2D(targets[i], 0, getImgIFormat(&faces[i]),
faces[i].width, faces[i].height, 0,
getImgFormat(&faces[i]),
getImgType(&faces[i]), faces[i].data);
ilA_img_free(faces[i]);
}
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
}