metta-systems
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vesper
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Add display clear

This commit is contained in:
Berkus Decker 2019-01-22 02:19:57 +02:00
parent 79218ff2dd
commit abafec12c6
2 changed files with 9 additions and 0 deletions
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1
src/main.rs
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@ -56,6 +56,7 @@ fn kmain() -> ! {
} }
if let Some(mut display) = VC::init_fb(Size2d { x: 800, y: 600 } /*, &mut uart*/) { if let Some(mut display) = VC::init_fb(Size2d { x: 800, y: 600 } /*, &mut uart*/) {
display.clear(Color::black());
display.rect(10, 10, 250, 250, Color::rgb(32, 96, 64)); display.rect(10, 10, 250, 250, Color::rgb(32, 96, 64));
display.draw_text(50, 50, "Hello there!", Color::rgb(128, 192, 255)); display.draw_text(50, 50, "Hello there!", Color::rgb(128, 192, 255));

8
src/platform/display.rs
View File

@ -14,6 +14,10 @@ impl Color {
Color(u32::from(b) << 16 | u32::from(g) << 8 | u32::from(r)) Color(u32::from(b) << 16 | u32::from(g) << 8 | u32::from(r))
} }
pub fn black() -> Color {
Color::rgb(0, 0, 0)
}
pub fn white() -> Color { pub fn white() -> Color {
Color::rgb(255, 255, 255) Color::rgb(255, 255, 255)
} }
@ -150,6 +154,10 @@ impl Display {
} }
} }
pub fn clear(&mut self, color: Color) {
self.rect(0, 0, self.width, self.height, color)
}
pub fn draw_text(&mut self, x: u32, y: u32, text: &str, color: Color) { pub fn draw_text(&mut self, x: u32, y: u32, text: &str, color: Color) {
for i in 0..8 { for i in 0..8 {
// Take an 8 bit slice from each array value. // Take an 8 bit slice from each array value.