pub use crate::prelude::*;
use fltk_sys::image::*;
use std::{
ffi::CString,
mem,
sync::atomic::{AtomicUsize, Ordering},
};
#[cfg(target_os = "windows")]
const TMP: &str = "TEMP";
#[cfg(not(target_os = "windows"))]
const TMP: &str = "TMPDIR";
#[derive(ImageExt, Debug)]
pub struct Image {
_inner: *mut Fl_Image,
_refcount: AtomicUsize,
}
#[derive(ImageExt, Debug)]
pub struct SharedImage {
_inner: *mut Fl_Shared_Image,
_refcount: AtomicUsize,
}
impl SharedImage {
pub fn load<P: AsRef<std::path::Path>>(path: P) -> Result<SharedImage, FltkError> {
Self::load_(path.as_ref())
}
fn load_(path: &std::path::Path) -> Result<SharedImage, FltkError> {
if !path.exists() {
return Err(FltkError::Internal(FltkErrorKind::ResourceNotFound));
}
unsafe {
let temp = path.to_str().ok_or_else(|| {
FltkError::Unknown(String::from("Failed to convert path to string"))
})?;
let temp = CString::new(temp)?;
let x = Fl_Shared_Image_get(temp.as_ptr(), 0, 0);
if x.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_Shared_Image_fail(x) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(SharedImage {
_inner: x,
_refcount: AtomicUsize::new(1),
})
}
}
}
pub fn from_image<I: ImageExt>(image: I) -> Result<SharedImage, FltkError> {
unsafe {
let x = Fl_Shared_Image_from_rgb(image.as_image_ptr() as *mut Fl_RGB_Image, 0);
if x.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_Shared_Image_fail(x) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(SharedImage {
_inner: x,
_refcount: AtomicUsize::new(1),
})
}
}
}
}
#[derive(ImageExt, Debug)]
pub struct JpegImage {
_inner: *mut Fl_JPEG_Image,
_refcount: AtomicUsize,
}
impl JpegImage {
pub fn load<P: AsRef<std::path::Path>>(path: P) -> Result<JpegImage, FltkError> {
Self::load_(path.as_ref())
}
fn load_(path: &std::path::Path) -> Result<JpegImage, FltkError> {
if !path.exists() {
return Err(FltkError::Internal(FltkErrorKind::ResourceNotFound));
}
unsafe {
let temp = path.to_str().ok_or_else(|| {
FltkError::Unknown(String::from("Failed to convert path to string"))
})?;
let temp = CString::new(temp)?;
let image_ptr = Fl_JPEG_Image_new(temp.as_ptr());
if image_ptr.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_JPEG_Image_fail(image_ptr) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(JpegImage {
_inner: image_ptr,
_refcount: AtomicUsize::new(1),
})
}
}
}
pub fn from_data(data: &[u8]) -> Result<JpegImage, FltkError> {
unsafe {
if data.is_empty() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
let x = Fl_JPEG_Image_from(data.as_ptr());
if x.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_JPEG_Image_fail(x) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(JpegImage {
_inner: x,
_refcount: AtomicUsize::new(1),
})
}
}
}
}
pub fn write_to_file<P: AsRef<std::path::Path>>(&self, path: P) -> Result<(), FltkError> {
self.write_to_file_(path.as_ref())
}
fn write_to_file_(&self, path: &std::path::Path) -> Result<(), FltkError> {
crate::draw::write_to_jpg_file(self, path)
}
}
#[derive(ImageExt, Debug)]
pub struct PngImage {
_inner: *mut Fl_PNG_Image,
_refcount: AtomicUsize,
}
impl PngImage {
pub fn load<P: AsRef<std::path::Path>>(path: P) -> Result<PngImage, FltkError> {
Self::load_(path.as_ref())
}
fn load_(path: &std::path::Path) -> Result<PngImage, FltkError> {
if !path.exists() {
return Err(FltkError::Internal(FltkErrorKind::ResourceNotFound));
}
unsafe {
let temp = path.to_str().ok_or_else(|| {
FltkError::Unknown(String::from("Failed to convert path to string"))
})?;
let temp = CString::new(temp)?;
let image_ptr = Fl_PNG_Image_new(temp.as_ptr());
if image_ptr.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_PNG_Image_fail(image_ptr) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(PngImage {
_inner: image_ptr,
_refcount: AtomicUsize::new(1),
})
}
}
}
pub fn from_data(data: &[u8]) -> Result<PngImage, FltkError> {
unsafe {
if data.is_empty() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
let x = Fl_PNG_Image_from(data.as_ptr(), data.len() as i32);
if x.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_PNG_Image_fail(x) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(PngImage {
_inner: x,
_refcount: AtomicUsize::new(1),
})
}
}
}
}
pub fn write_to_file<P: AsRef<std::path::Path>>(&self, path: P) -> Result<(), FltkError> {
self.write_to_file_(path.as_ref())
}
fn write_to_file_(&self, path: &std::path::Path) -> Result<(), FltkError> {
crate::draw::write_to_png_file(self, path)
}
}
#[derive(ImageExt, Debug)]
pub struct SvgImage {
_inner: *mut Fl_SVG_Image,
_refcount: AtomicUsize,
}
impl SvgImage {
pub fn load<P: AsRef<std::path::Path>>(path: P) -> Result<SvgImage, FltkError> {
Self::load_(path.as_ref())
}
fn load_(path: &std::path::Path) -> Result<SvgImage, FltkError> {
if !path.exists() {
return Err(FltkError::Internal(FltkErrorKind::ResourceNotFound));
}
unsafe {
let temp = path.to_str().ok_or_else(|| {
FltkError::Unknown(String::from("Failed to convert path to string"))
})?;
let temp = CString::new(temp)?;
let image_ptr = Fl_SVG_Image_new(temp.as_ptr());
if image_ptr.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_SVG_Image_fail(image_ptr) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(SvgImage {
_inner: image_ptr,
_refcount: AtomicUsize::new(1),
})
}
}
}
pub fn from_data(data: &str) -> Result<SvgImage, FltkError> {
if data.is_empty() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
let data = CString::safe_new(data);
unsafe {
let x = Fl_SVG_Image_from(data.as_ptr());
if x.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_SVG_Image_fail(x) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(SvgImage {
_inner: x,
_refcount: AtomicUsize::new(1),
})
}
}
}
}
}
#[derive(ImageExt, Debug)]
pub struct BmpImage {
_inner: *mut Fl_BMP_Image,
_refcount: AtomicUsize,
}
impl BmpImage {
pub fn load<P: AsRef<std::path::Path>>(path: P) -> Result<BmpImage, FltkError> {
Self::load_(path.as_ref())
}
fn load_(path: &std::path::Path) -> Result<BmpImage, FltkError> {
if !path.exists() {
return Err(FltkError::Internal(FltkErrorKind::ResourceNotFound));
}
unsafe {
let temp = path.to_str().ok_or_else(|| {
FltkError::Unknown(String::from("Failed to convert path to string"))
})?;
let temp = CString::new(temp)?;
let image_ptr = Fl_BMP_Image_new(temp.as_ptr());
if image_ptr.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_BMP_Image_fail(image_ptr) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(BmpImage {
_inner: image_ptr,
_refcount: AtomicUsize::new(1),
})
}
}
}
pub fn from_data(data: &[u8]) -> Result<BmpImage, FltkError> {
unsafe {
if data.is_empty() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
let x = Fl_BMP_Image_from(data.as_ptr());
if x.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_BMP_Image_fail(x) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(BmpImage {
_inner: x,
_refcount: AtomicUsize::new(1),
})
}
}
}
}
pub fn write_to_file<P: AsRef<std::path::Path>>(&self, path: P) -> Result<(), FltkError> {
self.write_to_file_(path.as_ref())
}
fn write_to_file_(&self, path: &std::path::Path) -> Result<(), FltkError> {
crate::draw::write_to_bmp_file(self, path)
}
}
#[derive(ImageExt, Debug)]
pub struct GifImage {
_inner: *mut Fl_GIF_Image,
_refcount: AtomicUsize,
}
impl GifImage {
pub fn load<P: AsRef<std::path::Path>>(path: P) -> Result<GifImage, FltkError> {
Self::load_(path.as_ref())
}
fn load_(path: &std::path::Path) -> Result<GifImage, FltkError> {
if !path.exists() {
return Err(FltkError::Internal(FltkErrorKind::ResourceNotFound));
}
unsafe {
let temp = path.to_str().ok_or_else(|| {
FltkError::Unknown(String::from("Failed to convert path to string"))
})?;
let temp = CString::new(temp)?;
let image_ptr = Fl_GIF_Image_new(temp.as_ptr());
if image_ptr.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_GIF_Image_fail(image_ptr) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(GifImage {
_inner: image_ptr,
_refcount: AtomicUsize::new(1),
})
}
}
}
pub fn from_data(data: &[u8]) -> Result<GifImage, FltkError> {
unsafe {
if data.is_empty() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
let x = Fl_GIF_Image_from(data.as_ptr());
if x.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_GIF_Image_fail(x) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(GifImage {
_inner: x,
_refcount: AtomicUsize::new(1),
})
}
}
}
}
}
#[derive(ImageExt, Debug)]
pub struct XpmImage {
_inner: *mut Fl_XPM_Image,
_refcount: AtomicUsize,
}
impl XpmImage {
pub fn load<P: AsRef<std::path::Path>>(path: P) -> Result<XpmImage, FltkError> {
Self::load_(path.as_ref())
}
fn load_(path: &std::path::Path) -> Result<XpmImage, FltkError> {
if !path.exists() {
return Err(FltkError::Internal(FltkErrorKind::ResourceNotFound));
}
unsafe {
let temp = path.to_str().ok_or_else(|| {
FltkError::Unknown(String::from("Failed to convert path to string"))
})?;
let temp = CString::new(temp)?;
let image_ptr = Fl_XPM_Image_new(temp.as_ptr());
if image_ptr.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_XPM_Image_fail(image_ptr) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(XpmImage {
_inner: image_ptr,
_refcount: AtomicUsize::new(1),
})
}
}
}
}
#[derive(ImageExt, Debug)]
pub struct XbmImage {
_inner: *mut Fl_XBM_Image,
_refcount: AtomicUsize,
}
impl XbmImage {
pub fn load<P: AsRef<std::path::Path>>(path: P) -> Result<XbmImage, FltkError> {
Self::load_(path.as_ref())
}
fn load_(path: &std::path::Path) -> Result<XbmImage, FltkError> {
if !path.exists() {
return Err(FltkError::Internal(FltkErrorKind::ResourceNotFound));
}
unsafe {
let temp = path.to_str().ok_or_else(|| {
FltkError::Unknown(String::from("Failed to convert path to string"))
})?;
let temp = CString::new(temp)?;
let image_ptr = Fl_XBM_Image_new(temp.as_ptr());
if image_ptr.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_XBM_Image_fail(image_ptr) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(XbmImage {
_inner: image_ptr,
_refcount: AtomicUsize::new(1),
})
}
}
}
}
#[derive(ImageExt, Debug)]
pub struct PnmImage {
_inner: *mut Fl_PNM_Image,
_refcount: AtomicUsize,
}
impl PnmImage {
pub fn load<P: AsRef<std::path::Path>>(path: P) -> Result<PnmImage, FltkError> {
Self::load_(path.as_ref())
}
fn load_(path: &std::path::Path) -> Result<PnmImage, FltkError> {
if !path.exists() {
return Err(FltkError::Internal(FltkErrorKind::ResourceNotFound));
}
unsafe {
let temp = path.to_str().ok_or_else(|| {
FltkError::Unknown(String::from("Failed to convert path to string"))
})?;
let temp = CString::new(temp)?;
let image_ptr = Fl_PNM_Image_new(temp.as_ptr());
if image_ptr.is_null() {
Err(FltkError::Internal(FltkErrorKind::ResourceNotFound))
} else {
if Fl_PNM_Image_fail(image_ptr) < 0 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
Ok(PnmImage {
_inner: image_ptr,
_refcount: AtomicUsize::new(1),
})
}
}
}
}
#[derive(ImageExt, Debug)]
pub struct TiledImage {
_inner: *mut Fl_Tiled_Image,
_refcount: AtomicUsize,
}
impl TiledImage {
pub fn new<Img: ImageExt>(img: Img, w: i32, h: i32) -> TiledImage {
unsafe {
let ptr = Fl_Tiled_Image_new(img.as_image_ptr(), w, h);
assert!(!ptr.is_null());
TiledImage {
_inner: ptr,
_refcount: AtomicUsize::new(1),
}
}
}
}
#[derive(ImageExt, Debug)]
pub struct Pixmap {
_inner: *mut Fl_Pixmap,
_refcount: AtomicUsize,
}
impl Pixmap {
pub fn new(data: &[u8]) -> Pixmap {
unsafe {
let data = data.to_owned();
let data = Box::new(data.as_ptr());
let ptr = Fl_Pixmap_new(Box::into_raw(data));
assert!(!ptr.is_null());
Pixmap {
_inner: ptr,
_refcount: AtomicUsize::new(1),
}
}
}
}
#[derive(ImageExt, Debug)]
pub struct RgbImage {
_inner: *mut Fl_RGB_Image,
_refcount: AtomicUsize,
}
impl RgbImage {
pub fn new(data: &[u8], w: u32, h: u32, depth: u32) -> Result<RgbImage, FltkError> {
if depth > 4 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
let mut sz = w * h;
if depth > 0 {
sz *= depth;
}
if sz > data.len() as u32 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
unsafe {
let img = Fl_RGB_Image_new(
mem::ManuallyDrop::new(data.to_owned()).as_ptr(),
w as i32,
h as i32,
depth as i32,
);
if img.is_null() || Fl_RGB_Image_fail(img) < 0 {
Err(FltkError::Internal(FltkErrorKind::ImageFormatError))
} else {
Ok(RgbImage {
_inner: img,
_refcount: AtomicUsize::new(1),
})
}
}
}
pub unsafe fn from_data(
data: &[u8],
w: u32,
h: u32,
depth: u32,
) -> Result<RgbImage, FltkError> {
if depth > 4 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
let mut sz = w * h;
if depth > 0 {
sz *= depth;
}
if sz > data.len() as u32 {
return Err(FltkError::Internal(FltkErrorKind::ImageFormatError));
}
let img = Fl_RGB_Image_from_data(data.as_ptr(), w as i32, h as i32, depth as i32);
if img.is_null() || Fl_RGB_Image_fail(img) < 0 {
Err(FltkError::Internal(FltkErrorKind::ImageFormatError))
} else {
Ok(RgbImage {
_inner: img,
_refcount: AtomicUsize::new(1),
})
}
}
pub unsafe fn into_parts(self) -> (Vec<u8>, u32, u32) {
let w = self.data_w();
let h = self.data_h();
(self.to_rgb_data(), w, h)
}
}