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use crate::{Context, Object, PixelBuffer, PixelFormat};
use glib::translate::*;
use std::{fmt, mem, ptr};
glib_wrapper! {
pub struct Bitmap(Object<ffi::CoglBitmap, BitmapClass>) @extends Object;
match fn {
get_type => || ffi::cogl_bitmap_get_gtype(),
}
}
impl Bitmap {
pub fn new_for_data(
context: &Context,
width: i32,
height: i32,
format: PixelFormat,
rowstride: i32,
data: &[u8],
) -> Bitmap {
unsafe {
from_glib_full(ffi::cogl_bitmap_new_for_data(
context.to_glib_none().0,
width,
height,
format.to_glib(),
rowstride,
data.to_glib_none().0,
))
}
}
pub fn from_file(filename: &str) -> Result<Bitmap, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::cogl_bitmap_new_from_file(filename.to_glib_none().0, &mut error);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
pub fn with_size(context: &Context, width: u32, height: u32, format: PixelFormat) -> Bitmap {
unsafe {
from_glib_full(ffi::cogl_bitmap_new_with_size(
context.to_glib_none().0,
width,
height,
format.to_glib(),
))
}
}
pub fn get_buffer(&self) -> Option<PixelBuffer> {
unsafe { from_glib_none(ffi::cogl_bitmap_get_buffer(self.to_glib_none().0)) }
}
pub fn get_format(&self) -> PixelFormat {
unsafe { from_glib(ffi::cogl_bitmap_get_format(self.to_glib_none().0)) }
}
pub fn get_height(&self) -> i32 {
unsafe { ffi::cogl_bitmap_get_height(self.to_glib_none().0) }
}
pub fn get_rowstride(&self) -> i32 {
unsafe { ffi::cogl_bitmap_get_rowstride(self.to_glib_none().0) }
}
pub fn get_width(&self) -> i32 {
unsafe { ffi::cogl_bitmap_get_width(self.to_glib_none().0) }
}
pub fn get_size_from_file(filename: &str) -> (bool, i32, i32) {
unsafe {
let mut width = mem::MaybeUninit::uninit();
let mut height = mem::MaybeUninit::uninit();
let ret = ffi::cogl_bitmap_get_size_from_file(
filename.to_glib_none().0,
width.as_mut_ptr(),
height.as_mut_ptr(),
);
let width = width.assume_init();
let height = height.assume_init();
(ret == crate::TRUE, width, height)
}
}
}
impl fmt::Display for Bitmap {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Bitmap")
}
}