Begin work on draw_unicode_char

Set color palette to standard 256 VGA palette

.github/workflows/rust.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Install Rustup
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain nightly
-          echo ::add-path::$HOME/.cargo/bin
+          echo "$HOME/.cargo/bin" >> $GITHUB_PATH
         if: runner.os == 'macOS'
 
       - name: "Print Rust Version"
@@ -43,7 +43,7 @@ jobs:
           path: binaries
           key: ${{ runner.OS }}-binaries
       - name: Add binaries/bin to PATH
-        run: echo ::add-path::$GITHUB_WORKSPACE/binaries/bin
+        run: echo "$GITHUB_WORKSPACE/binaries/bin" >> $GITHUB_PATH
         shell: bash
 
       - name: "Run cargo build"
@@ -75,7 +75,7 @@ jobs:
       - name: Install Scoop (Windows)
         run: |
           Invoke-Expression (New-Object System.Net.WebClient).DownloadString('https://get.scoop.sh')
-          echo ::add-path::$HOME\scoop\shims
+          echo "$HOME\scoop\shims" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
         if: runner.os == 'Windows'
         shell: pwsh
       - name: Install QEMU (Windows)
@@ -100,7 +100,7 @@ jobs:
     timeout-minutes: 2
     steps:
       - uses: actions/checkout@v1
-      - run: rustup install nightly
+      - run: rustup toolchain install nightly --profile minimal --component rustfmt
       - run: cargo +nightly fmt -- --check
 
   clippy:
@@ -109,5 +109,5 @@ jobs:
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v1
-      - run: rustup install nightly
+      - run: rustup toolchain install nightly --profile minimal --component clippy
       - run: cargo +nightly clippy -- -D warnings

.gitignore

@@ -1,3 +1,4 @@
 /target
 /testing/target
+/testing/binaries
 Cargo.lock

Cargo.toml

@@ -1,17 +1,12 @@
 [package]
 name = "vga"
-version = "0.2.2"
+version = "0.2.7"
 authors = ["Ryan Kennedy <rkennedy9064@gmail.com>"]
 edition = "2018"
 description = "Support for vga specific functions, data structures, and registers."
 documentation = "https://docs.rs/vga"
-keywords = [
-    "vga",
-    "no_std",
-]
-categories = [
-    "no-std",
-]
+keywords = ["vga", "no_std"]
+categories = ["no-std"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/rust-osdev/vga"
@@ -20,11 +15,20 @@ repository = "https://github.com/rust-osdev/vga"
 
 [dependencies]
 bitflags = "1.2.1"
-conquer-once = { version = "0.2.0", default-features = false }
-font8x8 = { version = "0.2.5", default-features = false, features = ["unicode"] }
-spinning_top = { version = "0.1.0", features = ["nightly"] }
-x86_64 = "0.9.6"
+spin = "0.9"
+log = "*"
 
+conquer-once = { version = "0.3.2", default-features = false }
+font8x8 = { version = "0.3.1", default-features = false, features = [
+    "unicode",
+] }
+spinning_top = { version = "0.2.4", features = ["nightly"] }
+x86_64 = "0.14.2"
 [dependencies.num-traits]
-version = "0.2.11"
+version = "0.2.14"
 default-features = false
+
+[dependencies.ab_glyph]
+version = "0.2.15"
+default-features = false
+features = ["libm"]

Changelog.md

@@ -1,3 +1,20 @@
+# 0.2.6
+
+- Updatex `x86_64` to build with lastest rust nightly.
+
+# 0.2.5
+
+- Updated various out of date crates.
+
+# 0.2.4
+
+- Updated `x86_64` to fix deprecated `asm!` macro.
+
+# 0.2.3
+
+- Added support for 320x240x256 mode via `Graphics320x240x256`.
+- Added the ability to easily get a pointer to the modes frame buffer via `GraphicsWriter::get_frame_buffer`.
+
 # 0.2.2
 
 ## Breaking

src/colors.rs

@@ -69,7 +69,6 @@ impl TextModeColor {
         self.0 = foreground as u8;
     }
 }
-
 /// Represents the default vga 256 color palette.
 pub const DEFAULT_PALETTE: [u8; PALETTE_SIZE] = [
     0x0, 0x0, 0x0, 0x0, 0x0, 0x2A, 0x0, 0x2A, 0x0, 0x0, 0x2A, 0x2A, 0x2A, 0x0, 0x0, 0x2A, 0x0,

src/lib.rs

@@ -7,6 +7,8 @@
 #![no_std]
 #![warn(missing_docs)]
 
+extern crate alloc;
+
 pub mod colors;
 pub mod configurations;
 pub mod drawing;

src/writers/graphics_640x480x16.rs

@@ -5,6 +5,7 @@ use crate::{
     registers::{PlaneMask, WriteMode},
     vga::{VideoMode, VGA},
 };
+use core::convert::From;
 use font8x8::UnicodeFonts;
 
 const WIDTH: usize = 640;
@@ -122,15 +123,89 @@ impl Graphics640x480x16 {
 
     #[inline]
     fn _set_pixel(self, x: usize, y: usize, color: Color16) {
-        let frame_buffer = self.get_frame_buffer();
-        let offset = x / 8 + y * WIDTH_IN_BYTES;
-        let pixel_mask = 0x80 >> (x & 0x07);
-        VGA.lock()
-            .graphics_controller_registers
-            .set_bit_mask(pixel_mask);
-        unsafe {
-            frame_buffer.add(offset).read_volatile();
-            frame_buffer.add(offset).write_volatile(u8::from(color));
+        if x < 640 && y < 480 {
+            let frame_buffer = self.get_frame_buffer();
+            let offset = x / 8 + y * WIDTH_IN_BYTES;
+            let pixel_mask = 0x80 >> (x & 0x07);
+            VGA.lock()
+                .graphics_controller_registers
+                .set_bit_mask(pixel_mask);
+            unsafe {
+                frame_buffer.add(offset).read_volatile();
+                frame_buffer.add(offset).write_volatile(u8::from(color));
+            }
+        }
+    }
+}
+
+use ab_glyph::{Font, FontRef, Glyph};
+use log::trace;
+use spin::Lazy;
+
+const FONT_BASIC: Lazy<FontRef> = Lazy::new({
+    || FontRef::try_from_slice(include_bytes!("../../assets/fonts/unifont-14.0.01.ttf")).unwrap()
+});
+
+const FONT_SUPPLEMENTARY: Lazy<FontRef> = Lazy::new(|| {
+    FontRef::try_from_slice(include_bytes!(
+        "../../assets/fonts/unifont_upper-14.0.01.ttf"
+    ))
+    .unwrap()
+});
+
+const FONT_SCALE: f32 = 14.0;
+const GLYPH_HEIGHT: f32 = 10.0;
+const GLYPH_WIDTH: f32 = 8.0;
+
+impl Graphics640x480x16 {
+    /// Draw a glyph on the screen at the given position
+    ///
+    /// # Arguments
+    /// * `x` - the x position of the glyph
+    /// * `y` - the y position of the glyph
+    /// * `glyph` - the glyph to draw
+    /// * `color` - the color of the glyph
+    pub fn draw_unicode_char(&self, mut x: usize, mut y: usize, character: char, color: Color16) {
+        self.set_write_mode_2();
+
+        // trace!("Char {}", character);
+
+        // if character == '\n' {
+        //     return;
+        // }
+        if x == 80 {
+            x = 0;
+            y += 1;
+        }
+
+        if character != '\0' {
+            let real_x = x as f32 * GLYPH_WIDTH;
+            let real_y = (y as f32 + 1.0) * GLYPH_HEIGHT;
+            // trace!("REALX{}\nREALY{}", real_x, real_y);
+
+            let in_supp_plane = character as u32 > 0xffff;
+
+            let plane = match in_supp_plane {
+                false => FONT_BASIC,
+                true => FONT_SUPPLEMENTARY,
+            };
+
+            let q_glyph: Glyph = plane
+                .glyph_id(character)
+                .with_scale_and_position(FONT_SCALE, ab_glyph::point(real_x, real_y));
+
+            if let Some(q) = plane.outline_glyph(q_glyph) {
+                q.draw(|gx, gy, c| {
+                    if c > 0.1 {
+                        let corner = q.px_bounds().min;
+                        self._set_pixel(
+                            gx as usize + corner.x as usize,
+                            gy as usize + corner.y as usize,
+                            color,
+                        );
+                    }
+                });
+            }
         }
     }
 }

testing/Cargo.toml

@@ -5,13 +5,13 @@ authors = ["Ryan Kennedy <rkennedy9064@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-bootloader = { version = "0.9.0", features = ["map_physical_memory"] }
-conquer-once = { version = "0.2.0", default-features = false }
-spinning_top = { version = "0.1.0", features = ["nightly"] }
-pic8259_simple = "0.1.1"
+bootloader = { version = "0.9.11", features = ["map_physical_memory"] }
+conquer-once = { version = "0.3.2", default-features = false }
+spinning_top = { version = "0.2.4", features = ["nightly"] }
+pic8259 = "0.10.1"
 vga = { path = "../" }
-uart_16550 = "0.2.4"
-x86_64 = "0.9.6"
+uart_16550 = "0.2.14"
+x86_64 = "0.14.2"
 
 [package.metadata.bootimage]
 test-args = [

testing/src/interrupts.rs

@@ -2,7 +2,7 @@ use crate::gdt;
 use crate::{hlt_loop, serial_print, serial_println};
 use conquer_once::spin::Lazy;
 use core::convert::Into;
-use pic8259_simple::ChainedPics;
+use pic8259::ChainedPics;
 use spinning_top::Spinlock;
 use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame, PageFaultErrorCode};
 
@@ -49,14 +49,14 @@ pub fn init_idt() {
 }
 
 extern "x86-interrupt" fn double_fault_handler(
-    stack_frame: &mut InterruptStackFrame,
+    stack_frame: InterruptStackFrame,
     _error_code: u64,
 ) -> ! {
     panic!("EXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
 }
 
 extern "x86-interrupt" fn page_fault_handler(
-    stack_frame: &mut InterruptStackFrame,
+    stack_frame: InterruptStackFrame,
     error_code: PageFaultErrorCode,
 ) {
     use x86_64::registers::control::Cr2;
@@ -69,7 +69,7 @@ extern "x86-interrupt" fn page_fault_handler(
 }
 
 extern "x86-interrupt" fn segment_not_present(
-    _stack_frame: &mut InterruptStackFrame,
+    _stack_frame: InterruptStackFrame,
     _error_code: u64,
 ) {
     // For some reason this sometimes gets thrown when running tests in qemu,