Image and ImageButton will no longer stretch to fill a justified layout

CHANGELOG.md

@@ -24,6 +24,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed 🐛
 
 * Fixed a bug that would sometimes trigger a "Mismatching panels" panic in debug builds.
+* `Image` and `ImageButton` will no longer stretch to fill a justified layout.
 
 ## 0.7.0 - 2021-01-04
 

egui/src/ui.rs

@@ -822,9 +822,9 @@ impl Ui {
         response
     }
 
-    /// Show an image here with the given size
+    /// Show an image here with the given size.
-    pub fn image(&mut self, texture_id: TextureId, desired_size: impl Into<Vec2>) -> Response {
+    pub fn image(&mut self, texture_id: TextureId, size: impl Into<Vec2>) -> Response {
-        self.add(Image::new(texture_id, desired_size))
+        self.add(Image::new(texture_id, size))
     }
 }
 

egui/src/widgets/button.rs

@@ -328,9 +328,9 @@ pub struct ImageButton {
 }
 
 impl ImageButton {
-    pub fn new(texture_id: TextureId, desired_size: impl Into<Vec2>) -> Self {
+    pub fn new(texture_id: TextureId, size: impl Into<Vec2>) -> Self {
         Self {
-            image: widgets::Image::new(texture_id, desired_size),
+            image: widgets::Image::new(texture_id, size),
             sense: Sense::click(),
             frame: true,
             selected: false,
@@ -379,8 +379,8 @@ impl Widget for ImageButton {
         } = self;
 
         let button_padding = ui.style().spacing.button_padding;
-        let desired_size = image.desired_size() + 2.0 * button_padding;
+        let size = image.size() + 2.0 * button_padding;
-        let (rect, response) = ui.allocate_at_least(desired_size, sense);
+        let (rect, response) = ui.allocate_exact_size(size, sense);
 
         if ui.clip_rect().intersects(rect) {
             let visuals = ui.style().interact(&response);
@@ -400,7 +400,7 @@ impl Widget for ImageButton {
 
             let image_rect = ui
                 .layout()
-                .align_size_within_rect(image.desired_size(), rect.shrink2(button_padding));
+                .align_size_within_rect(image.size(), rect.shrink2(button_padding));
             image.paint_at(ui, image_rect);
         }
 

egui/src/widgets/image.rs

@@ -6,17 +6,17 @@ use crate::*;
 pub struct Image {
     texture_id: TextureId,
     uv: Rect,
-    desired_size: Vec2,
+    size: Vec2,
     bg_fill: Color32,
     tint: Color32,
 }
 
 impl Image {
-    pub fn new(texture_id: TextureId, desired_size: impl Into<Vec2>) -> Self {
+    pub fn new(texture_id: TextureId, size: impl Into<Vec2>) -> Self {
         Self {
             texture_id,
             uv: Rect::from_min_max(pos2(0.0, 0.0), pos2(1.0, 1.0)),
-            desired_size: desired_size.into(),
+            size: size.into(),
             bg_fill: Default::default(),
             tint: Color32::WHITE,
         }
@@ -42,8 +42,8 @@ impl Image {
 }
 
 impl Image {
-    pub fn desired_size(&self) -> Vec2 {
+    pub fn size(&self) -> Vec2 {
-        self.desired_size
+        self.size
     }
 
     pub fn paint_at(&self, ui: &mut Ui, rect: Rect) {
@@ -51,7 +51,7 @@ impl Image {
         let Self {
             texture_id,
             uv,
-            desired_size: _,
+            size: _,
             bg_fill,
             tint,
         } = self;
@@ -73,7 +73,7 @@ impl Image {
 
 impl Widget for Image {
     fn ui(self, ui: &mut Ui) -> Response {
-        let (rect, response) = ui.allocate_at_least(self.desired_size, Sense::hover());
+        let (rect, response) = ui.allocate_exact_size(self.size, Sense::hover());
         self.paint_at(ui, rect);
         response
     }