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-rw-r--r--examples/declarative/aspectratio/face_fit.qml25
-rw-r--r--examples/declarative/aspectratio/face_fit_animated.qml27
-rw-r--r--examples/declarative/aspectratio/pics/face.pngbin0 -> 15408 bytes
-rw-r--r--examples/declarative/aspectratio/scale_and_crop.qml20
-rw-r--r--examples/declarative/aspectratio/scale_and_crop_simple.qml20
-rw-r--r--examples/declarative/aspectratio/scale_and_sidecrop.qml21
-rw-r--r--examples/declarative/aspectratio/scale_to_fit.qml21
-rw-r--r--examples/declarative/aspectratio/scale_to_fit_simple.qml20
8 files changed, 154 insertions, 0 deletions
diff --git a/examples/declarative/aspectratio/face_fit.qml b/examples/declarative/aspectratio/face_fit.qml
new file mode 100644
index 0000000..482d1b7
--- /dev/null
+++ b/examples/declarative/aspectratio/face_fit.qml
@@ -0,0 +1,25 @@
+import Qt 4.6
+
+// Here, we implement a hybrid of the "scale to fit" and "scale and crop"
+// behaviours which will crop up to 25% from *one* dimension if necessary
+// to fully scale the other. This is a realistic algorithm, for example
+// when the edges of the image contain less vital information than the
+// center - such as a face.
+//
+Rectangle {
+ // default size: whole image, unscaled
+ width: face.width
+ height: face.height
+ color: "gray"
+ clip: true
+
+ Image {
+ id: face
+ smooth: true
+ source: "pics/face.png"
+ x: (parent.width-width*scale)/2
+ y: (parent.height-height*scale)/2
+ scale: Math.max(Math.min(parent.width/width*1.333,parent.height/height),
+ Math.min(parent.width/width,parent.height/height*1.333))
+ }
+}
diff --git a/examples/declarative/aspectratio/face_fit_animated.qml b/examples/declarative/aspectratio/face_fit_animated.qml
new file mode 100644
index 0000000..80a762b
--- /dev/null
+++ b/examples/declarative/aspectratio/face_fit_animated.qml
@@ -0,0 +1,27 @@
+import Qt 4.6
+
+// Here, we extend the "face_fit" example with animation to show how truly
+// diverse and usage-specific behaviours are made possible by NOT putting a
+// hard-coded aspect ratio feature into the Image primitive.
+//
+Rectangle {
+ // default size: whole image, unscaled
+ width: face.width
+ height: face.height
+ color: "gray"
+ clip: true
+
+ Image {
+ id: face
+ smooth: true
+ source: "pics/face.png"
+ x: (parent.width-width*scale)/2
+ y: (parent.height-height*scale)/2
+ scale: SpringFollow {
+ source: Math.max(Math.min(face.parent.width/face.width*1.333,face.parent.height/face.height),
+ Math.min(face.parent.width/face.width,face.parent.height/face.height*1.333))
+ spring: 1
+ damping: 0.05
+ }
+ }
+}
diff --git a/examples/declarative/aspectratio/pics/face.png b/examples/declarative/aspectratio/pics/face.png
new file mode 100644
index 0000000..3d66d72
--- /dev/null
+++ b/examples/declarative/aspectratio/pics/face.png
Binary files differ
diff --git a/examples/declarative/aspectratio/scale_and_crop.qml b/examples/declarative/aspectratio/scale_and_crop.qml
new file mode 100644
index 0000000..283e24b
--- /dev/null
+++ b/examples/declarative/aspectratio/scale_and_crop.qml
@@ -0,0 +1,20 @@
+import Qt 4.6
+
+// Here, we implement "Scale and Crop" behaviour.
+//
+Rectangle {
+ // default size: whole image, unscaled
+ width: face.width
+ height: face.height
+ color: "gray"
+ clip: true
+
+ Image {
+ id: face
+ smooth: true
+ source: "pics/face.png"
+ x: (parent.width-width*scale)/2
+ y: (parent.height-height*scale)/2
+ scale: Math.max(parent.width/width,parent.height/height)
+ }
+}
diff --git a/examples/declarative/aspectratio/scale_and_crop_simple.qml b/examples/declarative/aspectratio/scale_and_crop_simple.qml
new file mode 100644
index 0000000..e720ce7
--- /dev/null
+++ b/examples/declarative/aspectratio/scale_and_crop_simple.qml
@@ -0,0 +1,20 @@
+import Qt 4.6
+
+// Here, we implement "Scale to Fit" behaviour, using the
+// fillMode property.
+//
+Rectangle {
+ // default size: whole image, unscaled
+ width: face.width
+ height: face.height
+ color: "gray"
+ clip: true
+
+ Image {
+ id: face
+ smooth: true
+ source: "pics/face.png"
+ fillMode: Image.PreserveAspectCrop
+ anchors.fill: parent
+ }
+}
diff --git a/examples/declarative/aspectratio/scale_and_sidecrop.qml b/examples/declarative/aspectratio/scale_and_sidecrop.qml
new file mode 100644
index 0000000..c3ef859
--- /dev/null
+++ b/examples/declarative/aspectratio/scale_and_sidecrop.qml
@@ -0,0 +1,21 @@
+import Qt 4.6
+
+// Here, we implement a variant of "Scale and Crop" behaviour, where we
+// crop the sides if necessary to fully fit vertically, but not the reverse.
+//
+Rectangle {
+ // default size: whole image, unscaled
+ width: face.width
+ height: face.height
+ color: "gray"
+ clip: true
+
+ Image {
+ id: face
+ smooth: true
+ source: "pics/face.png"
+ x: (parent.width-width*scale)/2
+ y: (parent.height-height*scale)/2
+ scale: parent.height/height
+ }
+}
diff --git a/examples/declarative/aspectratio/scale_to_fit.qml b/examples/declarative/aspectratio/scale_to_fit.qml
new file mode 100644
index 0000000..961ac04
--- /dev/null
+++ b/examples/declarative/aspectratio/scale_to_fit.qml
@@ -0,0 +1,21 @@
+import Qt 4.6
+
+// Here, we implement "Scale to Fit" behaviour "manually", rather
+// than using the preserveAspect property.
+//
+Rectangle {
+ // default size: whole image, unscaled
+ width: face.width
+ height: face.height
+ color: "gray"
+ clip: true
+
+ Image {
+ id: face
+ smooth: true
+ source: "pics/face.png"
+ x: (parent.width-width*scale)/2
+ y: (parent.height-height*scale)/2
+ scale: Math.min(parent.width/width,parent.height/height)
+ }
+}
diff --git a/examples/declarative/aspectratio/scale_to_fit_simple.qml b/examples/declarative/aspectratio/scale_to_fit_simple.qml
new file mode 100644
index 0000000..7389581
--- /dev/null
+++ b/examples/declarative/aspectratio/scale_to_fit_simple.qml
@@ -0,0 +1,20 @@
+import Qt 4.6
+
+// Here, we implement "Scale to Fit" behaviour, using the
+// fillMode property.
+//
+Rectangle {
+ // default size: whole image, unscaled
+ width: face.width
+ height: face.height
+ color: "gray"
+ clip: true
+
+ Image {
+ id: face
+ smooth: true
+ source: "pics/face.png"
+ fillMode: Image.PreserveAspectFit
+ anchors.fill: parent
+ }
+}