Render the board in the background

otg/gtk/src/components/goban.rs

@@ -37,14 +37,16 @@ You should have received a copy of the GNU General Public License along with On
 
 use crate::perftrace;
 
+use gio::resources_lookup_data;
 use glib::Object;
 use gtk::{
+    gdk_pixbuf::{InterpType, Pixbuf},
     prelude::*,
     subclass::prelude::*,
 };
-
+use image::{io::Reader as ImageReader, ImageError};
 use otg_core::{Color, Coordinate};
-use std::{cell::RefCell, rc::Rc};
+use std::{cell::RefCell, io::Cursor, rc::Rc};
 
 const WIDTH: i32 = 800;
 const HEIGHT: i32 = 800;
@@ -105,29 +107,7 @@ impl Goban {
 
     fn redraw(&self, ctx: &cairo::Context, width: i32, height: i32) {
         println!("{} x {}", width, height);
-        /*
+        let background = load_pixbuf("/com/luminescent-dreams/otg-gtk/wood_texture.jpg", WIDTH+40, HEIGHT+40);
-        let wood_texture = resources_lookup_data(
-            "/com/luminescent-dreams/otg-gtk/wood_texture.jpg",
-            gio::ResourceLookupFlags::NONE,
-        )
-        .unwrap();
-
-        let background = ImageReader::new(Cursor::new(wood_texture))
-            .with_guessed_format()
-            .unwrap()
-            .decode();
-        let background = background.map(|background| {
-            Pixbuf::from_bytes(
-                &glib::Bytes::from(background.as_bytes()),
-                gtk::gdk_pixbuf::Colorspace::Rgb,
-                false,
-                8,
-                background.width() as i32,
-                background.height() as i32,
-                background.to_rgb8().sample_layout().height_stride as i32,
-            )
-            .scale_simple(WIDTH, HEIGHT, InterpType::Nearest)
-        });
 
         match background {
             Ok(Some(ref background)) => {
@@ -136,10 +116,6 @@ impl Goban {
             }
             Ok(None) | Err(_) => ctx.set_source_rgb(0.7, 0.7, 0.7),
         }
-        */
-
-        ctx.set_source_rgb(0.7, 0.7, 0.7);
-        let _ = ctx.paint();
 
         let board = self.imp().board_state.borrow();
 
@@ -189,7 +165,7 @@ impl Goban {
         (0..board.size.height).for_each(|row| {
             (0..board.size.width).for_each(|column| {
                 match board.stone(&Coordinate { row, column }) {
-                    None => {},
+                    None => {}
                     Some(Color::White) => pen.stone(ctx, row, column, Color::White, None),
                     Some(Color::Black) => pen.stone(ctx, row, column, Color::Black, None),
                 }
@@ -206,6 +182,25 @@ struct Pen {
 }
 
 impl Pen {
+    /*
+    fn new(x_offset: f64, y_offset: f64, hspace_between: f64, vspace_between: f64) -> Self {
+        /*
+        let black_stone = resources_lookup_data(
+            "/com/luminescent-dreams/otg-gtk/black_stone.png",
+            gio::ResourceLookupFlags::NONE,
+        )
+        .unwrap();
+        */
+
+        Pen {
+            x_offset,
+            y_offset,
+            hspace_between,
+            vspace_between,
+        }
+    }
+    */
+
     fn star_point(&self, context: &cairo::Context, row: u8, col: u8) {
         context.arc(
             self.x_offset + (col as f64) * self.hspace_between,
@@ -263,3 +258,24 @@ impl Pen {
         )
     }
 }
+
+fn load_pixbuf(path: &str, width: i32, height: i32) -> Result<Option<Pixbuf>, ImageError> {
+    let wood_texture = resources_lookup_data(path, gio::ResourceLookupFlags::NONE).unwrap();
+
+    let background = ImageReader::new(Cursor::new(wood_texture))
+        .with_guessed_format()
+        .unwrap()
+        .decode();
+    background.map(|background| {
+        Pixbuf::from_bytes(
+            &glib::Bytes::from(background.as_bytes()),
+            gtk::gdk_pixbuf::Colorspace::Rgb,
+            false,
+            8,
+            background.width() as i32,
+            background.height() as i32,
+            background.to_rgb8().sample_layout().height_stride as i32,
+        )
+        .scale_simple(width, height, InterpType::Nearest)
+    })
+}