more tests

5 files changed, 26 insertions, 7 deletions

diff --git a/examples/alloc_correct.rs b/examples/alloc_correct.rs
new file mode 100644
index 0000000..6711a1c
--- /dev/null
+++ b/examples/alloc_correct.rs
@@ -0,0 +1,14 @@
+fn main() {
+	let mut png = &include_bytes!("image.png")[..];
+	let header = tiny_png::read_png_header(&mut png).expect("bad PNG");
+	println!("need {} bytes of memory", header.required_bytes());
+	let mut buffer = vec![0; header.required_bytes()];
+	let image = tiny_png::read_png(&mut png, Some(&header), &mut buffer).expect("bad PNG");
+	println!("{}x{} image", image.width(), image.height());
+	let pixels = image.pixels();
+	println!(
+		"top-left pixel is #{:02x}{:02x}{:02x}",
+		pixels[0], pixels[1], pixels[2]
+	);
+	// (^ this only makes sense for RGB 8bpc images)
+}
diff --git a/examples/image.png b/examples/image.png
new file mode 100644
index 0000000..5452484
--- /dev/null
+++ b/examples/image.png
diff --git a/examples/small.png b/examples/small.png
deleted file mode 100644
index 47226a2..0000000
--- a/examples/small.png
+++ /dev/null
diff --git a/examples/small.rs b/examples/small.rs
deleted file mode 100644
index e6af172..0000000
--- a/examples/small.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-fn main() {
-	let mut data = &include_bytes!("small.png")[..];
-	let header = tiny_png::read_png_header(&mut data).unwrap();
-	let mut buf = vec![0; header.required_bytes()];
-	let result = tiny_png::read_png(&mut data, Some(&header), &mut buf);
-	println!("{result:?}");
-}
diff --git a/examples/very_basic.rs b/examples/very_basic.rs
new file mode 100644
index 0000000..33043b6
--- /dev/null
+++ b/examples/very_basic.rs
@@ -0,0 +1,12 @@
+fn main() {
+	let mut my_buffer = vec![0; 1 << 20]; // hope this is big enough!
+	let mut png = &include_bytes!("image.png")[..];
+	let image = tiny_png::read_png(&mut png, None, &mut my_buffer).expect("bad PNG");
+	println!("{}x{} image", image.width(), image.height());
+	let pixels = image.pixels();
+	println!(
+		"top-left pixel is #{:02x}{:02x}{:02x}",
+		pixels[0], pixels[1], pixels[2]
+	);
+	// (^ this only makes sense for RGB 8bpc images)
+}