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Added mutable reference to buffer directly in graphics.

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Updated example and tests with the new version.
This commit is contained in:
Christoph Groß
2018-05-30 14:20:19 +02:00
parent 450049ef0f
commit 5cfa3e8b1f
2 changed files with 163 additions and 157 deletions
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examples/embedded_linux/src/main.rs
+20 -20
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@@ -105,22 +105,22 @@ fn main() {
let mut buffer = [0u8; 15000];
// draw something
let graphics = Graphics::new(400, 300);
graphics.clear(&mut buffer, &Color::White);
graphics.draw_line(&mut buffer, 0,0,400,300, &Color::Black);
let mut graphics = Graphics::new(400, 300, &mut buffer);
graphics.clear(&Color::White);
graphics.draw_line(0,0,400,300, &Color::Black);
graphics.draw_filled_rectangle(&mut buffer, 200,200, 230, 230, &Color::Black);
graphics.draw_line(&mut buffer, 202,202,218,228, &Color::White);
graphics.draw_filled_rectangle(200,200, 230, 230, &Color::Black);
graphics.draw_line(202,202,218,228, &Color::White);
graphics.draw_circle(&mut buffer, 200, 150, 130, &Color::Black);
graphics.draw_circle(200, 150, 130, &Color::Black);
graphics.draw_pixel(&mut buffer, 390, 290, &Color::Black);
graphics.draw_pixel(390, 290, &Color::Black);
graphics.draw_horizontal_line(&mut buffer, 0, 150, 400, &Color::Black);
graphics.draw_horizontal_line(0, 150, 400, &Color::Black);
graphics.draw_vertical_line(&mut buffer, 200, 50, 200, &Color::Black);
graphics.draw_vertical_line(200, 50, 200, &Color::Black);
epd4in2.display_and_transfer_frame(&buffer, None).expect("display and transfer error");
epd4in2.display_and_transfer_frame(graphics.get_buffer(), None).expect("display and transfer error");
epd4in2.delay_ms(3000);
@@ -128,19 +128,19 @@ fn main() {
//Test fast updating a bit more
let mut small_buffer = [0x00; 128];
let circle_graphics = Graphics::new(32,32);
circle_graphics.draw_circle(&mut small_buffer, 16,16, 10, &Color::Black);
let mut circle_graphics = Graphics::new(32,32, &mut small_buffer);
circle_graphics.draw_circle(16,16, 10, &Color::Black);
epd4in2.set_partial_window(&small_buffer, 16,16, 32, 32, false).expect("Partial Window Error");
epd4in2.set_partial_window(circle_graphics.get_buffer(), 16,16, 32, 32, false).expect("Partial Window Error");
epd4in2.display_frame().expect("Display Frame Error");
epd4in2.set_partial_window(&small_buffer, 128,64, 32, 32, false).expect("Partial Window Error");
epd4in2.set_partial_window(circle_graphics.get_buffer(), 128,64, 32, 32, false).expect("Partial Window Error");
epd4in2.display_frame().expect("Display Frame Error");
epd4in2.set_partial_window(&small_buffer, 320,24, 32, 32, false).expect("Partial Window Error");
epd4in2.set_partial_window(circle_graphics.get_buffer(), 320,24, 32, 32, false).expect("Partial Window Error");
epd4in2.display_frame().expect("Display Frame Error");
epd4in2.set_partial_window(&small_buffer, 160,240, 32, 32, false).expect("Partial Window Error");
epd4in2.set_partial_window(circle_graphics.get_buffer(), 160,240, 32, 32, false).expect("Partial Window Error");
epd4in2.display_frame().expect("Display Frame Error");
epd4in2.delay_ms(3000);
@@ -149,10 +149,10 @@ fn main() {
//pub fn draw_string_8x8(&self, buffer: &mut[u8], x0: u16, y0: u16, input: &str, color: &Color) {
graphics.draw_string_8x8(&mut buffer, 16, 16, "hello", &Color::Black);
graphics.draw_char_8x8(&mut buffer, 250, 250, '#', &Color::Black);
graphics.draw_char_8x8(&mut buffer, 300, 16, '7', &Color::Black);
epd4in2.display_and_transfer_frame(&buffer, None).expect("display and transfer error");
graphics.draw_string_8x8(16, 16, "hello", &Color::Black);
graphics.draw_char_8x8(250, 250, '#', &Color::Black);
graphics.draw_char_8x8(300, 16, '7', &Color::Black);
epd4in2.display_and_transfer_frame(graphics.get_buffer(), None).expect("display and transfer error");
epd4in2.delay_ms(3000);