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use glib::translate::*;
use ffi;
use gdk_pixbuf::Pixbuf;
use cairo::{Context, Region};
use cairo::Surface;
use {RGBA, Rectangle, Window};
pub trait SurfaceExt {
fn create_region(&self) -> Option<Region>;
}
impl SurfaceExt for Surface {
fn create_region(&self) -> Option<Region> {
unsafe {
from_glib_full(ffi::gdk_cairo_region_create_from_surface(self.to_glib_none().0))
}
}
}
#[cfg(feature = "v3_10")]
pub trait PixbufExt {
fn create_surface(&self, scale: i32, for_window: &Window) -> Option<Surface>;
}
#[cfg(feature = "v3_10")]
impl PixbufExt for Pixbuf {
fn create_surface(&self, scale: i32, for_window: &Window) -> Option<Surface> {
unsafe {
from_glib_full(ffi::gdk_cairo_surface_create_from_pixbuf(self.to_glib_none().0, scale, for_window.to_glib_none().0))
}
}
}
pub trait ContextExt {
fn create_from_window(window: &Window) -> Context;
#[cfg(feature = "v3_16")]
fn cairo_draw_from_gl(cr: &Context, window: &Window, source: i32, source_type: i32, buffer_scale: i32, x: i32, y: i32, width: i32, height: i32);
#[cfg(feature = "v3_10")]
fn cairo_surface_create_from_pixbuf<'a, P: Into<Option<&'a Window>>>(pixbuf: &Pixbuf, scale: i32, for_window: P) -> Option<Surface>;
fn get_clip_rectangle(&self) -> Option<Rectangle>;
fn set_source_rgba(&self, rgba: &RGBA);
fn set_source_pixbuf(&self, pixbuf: &Pixbuf, x: f64, y: f64);
fn set_source_window(&self, window: &Window, x: f64, y: f64);
fn rectangle(&self, rectangle: &Rectangle);
fn add_region(&self, region: &Region);
}
impl ContextExt for Context {
fn create_from_window(window: &Window) -> Context {
skip_assert_initialized!();
unsafe { from_glib_full(ffi::gdk_cairo_create(window.to_glib_none().0)) }
}
#[cfg(feature = "v3_16")]
fn cairo_draw_from_gl(cr: &Context, window: &Window, source: i32, source_type: i32, buffer_scale: i32, x: i32, y: i32, width: i32, height: i32) {
skip_assert_initialized!();
unsafe {
ffi::gdk_cairo_draw_from_gl(mut_override(cr.to_glib_none().0), window.to_glib_none().0, source, source_type, buffer_scale, x, y, width, height);
}
}
#[cfg(feature = "v3_10")]
fn cairo_surface_create_from_pixbuf<'a, P: Into<Option<&'a Window>>>(pixbuf: &Pixbuf, scale: i32, for_window: P) -> Option<Surface> {
assert_initialized_main_thread!();
let for_window = for_window.into();
let for_window = for_window.to_glib_none();
unsafe {
from_glib_full(ffi::gdk_cairo_surface_create_from_pixbuf(pixbuf.to_glib_none().0, scale, for_window.0))
}
}
fn get_clip_rectangle(&self) -> Option<Rectangle> {
unsafe {
let mut rectangle = Rectangle::uninitialized();
if from_glib(ffi::gdk_cairo_get_clip_rectangle(self.to_glib_none().0,
rectangle.to_glib_none_mut().0)) {
Some(rectangle)
} else {
None
}
}
}
fn set_source_rgba(&self, rgba: &RGBA) {
unsafe { ffi::gdk_cairo_set_source_rgba(self.to_glib_none().0, rgba.to_glib_none().0); }
}
fn set_source_pixbuf(&self, pixbuf: &Pixbuf, x: f64, y: f64) {
unsafe {
ffi::gdk_cairo_set_source_pixbuf(self.to_glib_none().0, pixbuf.to_glib_none().0, x, y);
}
}
fn set_source_window(&self, window: &Window, x: f64, y: f64) {
unsafe {
ffi::gdk_cairo_set_source_window(self.to_glib_none().0, window.to_glib_none().0, x, y);
}
}
fn rectangle(&self, rectangle: &Rectangle) {
unsafe { ffi::gdk_cairo_rectangle(self.to_glib_none().0, rectangle.to_glib_none().0); }
}
fn add_region(&self, region: &Region) {
unsafe { ffi::gdk_cairo_region(self.to_glib_none().0, region.to_glib_none().0); }
}
}