From 871712388ba34b668885586a56abed29e60dd622 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?cel=20=F0=9F=8C=B8?= <cel@blos.sm>
Date: Thu, 12 Jan 2023 17:17:11 +0000
Subject: [PATCH] modify api to eventually allow choosing the image render mode

---
 cowgen/src/lib.rs                      | 11 +++++++++--
 cowgen/tests/overlay_text_and_image.rs |  6 +++++-
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/cowgen/src/lib.rs b/cowgen/src/lib.rs
index 4812167..c9b59aa 100644
--- a/cowgen/src/lib.rs
+++ b/cowgen/src/lib.rs
@@ -41,7 +41,8 @@ impl Element {
 
     fn into_image(self) -> Result<Image, CowError> {
         match self.media {
-            Media::Image(image) => Ok(Image::from_bytes_inferred(*image)?.resized(
+            // TODO: allow changing treatment of image
+            Media::Image((image, _)) => Ok(Image::from_bytes_inferred(*image)?.resized(
                 self.dimensions.0,
                 self.dimensions.1,
                 ResizeAlgorithm::Bicubic,
@@ -70,7 +71,7 @@ impl Element {
 
 pub enum Media {
     Text(Text),
-    Image(Box<Vec<u8>>),
+    Image((Box<Vec<u8>>, ImageMode)),
 }
 
 pub struct Text {
@@ -80,6 +81,12 @@ pub struct Text {
     fill: (u8, u8, u8, u8),
 }
 
+pub enum ImageMode {
+    Stretch,
+    Fill,
+    Crop,
+}
+
 impl Text {
     pub fn new(text: String, font: Box<Vec<u8>>, size: f32, fill: (u8, u8, u8, u8)) -> Self {
         Self {
diff --git a/cowgen/tests/overlay_text_and_image.rs b/cowgen/tests/overlay_text_and_image.rs
index c2f9f01..09cd179 100644
--- a/cowgen/tests/overlay_text_and_image.rs
+++ b/cowgen/tests/overlay_text_and_image.rs
@@ -19,7 +19,11 @@ fn test_overlay_text_and_image() {
                 (0, 0),
                 (64, 64),
             ),
-            Element::new(Media::Image(superimpose), (400, 400), (800, 200)),
+            Element::new(
+                Media::Image((superimpose, ImageMode::Stretch)),
+                (400, 400),
+                (800, 200),
+            ),
         ],
     )
     .unwrap();