l0dable: update display coordinate types

card10-l0dable/src/display.rs

@@ -116,7 +116,7 @@ impl Display {
     /// Print text
     ///
     /// s must be 0-terminated
-    pub fn print(&self, x: u16, y: u16, s: &[u8], fg: Color, bg: Color) {
+    pub fn print(&self, x: i16, y: i16, s: &[u8], fg: Color, bg: Color) {
         unsafe {
             epic_disp_print(x, y, s.as_ptr(), fg.0, bg.0);
         }
@@ -125,14 +125,14 @@ impl Display {
     /// Print text with a selected font
     ///
     /// s must be 0-terminated
-    pub fn print_adv(&self, font: Font, x: u16, y: u16, s: &[u8], fg: Color, bg: Color) {
+    pub fn print_adv(&self, font: Font, x: i16, y: i16, s: &[u8], fg: Color, bg: Color) {
         unsafe {
             epic_disp_print_adv(font as u8, x, y, s.as_ptr(), fg.0, bg.0);
         }
     }
 
     /// Set a pixel
-    pub fn pixel(&self, x: u16, y: u16, color: Color) {
+    pub fn pixel(&self, x: i16, y: i16, color: Color) {
         unsafe {
             epic_disp_pixel(x, y, color.0);
         }
@@ -141,10 +141,10 @@ impl Display {
     /// Draw a line
     pub fn line(
         &self,
-        x1: u16,
-        y1: u16,
-        x2: u16,
-        y2: u16,
+        x1: i16,
+        y1: i16,
+        x2: i16,
+        y2: i16,
         color: Color,
         linestyle: LineStyle,
         pixelsize: u16,
@@ -156,10 +156,10 @@ impl Display {
 
     pub fn rect(
         &self,
-        x1: u16,
-        y1: u16,
-        x2: u16,
-        y2: u16,
+        x1: i16,
+        y1: i16,
+        x2: i16,
+        y2: i16,
         color: Color,
         fillstyle: FillStyle,
         pixelsize: u16,
@@ -172,8 +172,8 @@ impl Display {
     /// Draw a circle
     pub fn circ(
         &self,
-        x: u16,
-        y: u16,
+        x: i16,
+        y: i16,
         rad: u16,
         color: Color,
         fillstyle: FillStyle,