feat(crop): add method shortcuts for crop

image.go

@@ -14,6 +14,17 @@ func (i *Image) Resize(width, height int) ([]byte, error) {
 	return i.Process(options)
 }
 
+// Resize the image to fixed width and height with additional crop transformation
+func (i *Image) ResizeAndCrop(width, height int) ([]byte, error) {
+	options := Options{
+		Width:  width,
+		Height: height,
+		Embed:  true,
+		Crop:   true,
+	}
+	return i.Process(options)
+}
+
 // Extract area from the by X/Y axis
 func (i *Image) Extract(top, left, width, height int) ([]byte, error) {
 	options := Options{
@@ -25,7 +36,7 @@ func (i *Image) Extract(top, left, width, height int) ([]byte, error) {
 	return i.Process(options)
 }
 
-// Enlarge the image from the by X/Y axis
+// Enlarge the image by width and height. Aspect ratio is maintained
 func (i *Image) Enlarge(width, height int) ([]byte, error) {
 	options := Options{
 		Width:   width,
@@ -35,6 +46,17 @@ func (i *Image) Enlarge(width, height int) ([]byte, error) {
 	return i.Process(options)
 }
 
+// Enlarge the image by width and height with additional crop transformation
+func (i *Image) EnlargeAndCrop(width, height int) ([]byte, error) {
+	options := Options{
+		Width:   width,
+		Height:  height,
+		Enlarge: true,
+		Crop:    true,
+	}
+	return i.Process(options)
+}
+
 // Crop the image to the exact size specified
 func (i *Image) Crop(width, height int, gravity Gravity) ([]byte, error) {
 	options := Options{

image_test.go

@@ -20,13 +20,27 @@ func TestImageResize(t *testing.T) {
 	Write("fixtures/test_resize_out.jpg", buf)
 }
 
+func TestImageResizeAndCrop(t *testing.T) {
+	buf, err := initImage("test.jpg").ResizeAndCrop(300, 200)
+	if err != nil {
+		t.Errorf("Cannot process the image: %#v", err)
+	}
+
+	err = assertSize(buf, 300, 200)
+	if err != nil {
+		t.Error(err)
+	}
+
+	Write("fixtures/test_resize_crop_out.jpg", buf)
+}
+
 func TestImageExtract(t *testing.T) {
-	buf, err := initImage("test.jpg").Extract(100, 100, 300, 300)
+	buf, err := initImage("test.jpg").Extract(100, 100, 300, 200)
 	if err != nil {
 		t.Errorf("Cannot process the image: %s", err)
 	}
 
-	err = assertSize(buf, 300, 300)
+	err = assertSize(buf, 300, 200)
 	if err != nil {
 		t.Error(err)
 	}
@@ -48,6 +62,20 @@ func TestImageEnlarge(t *testing.T) {
 	Write("fixtures/test_enlarge_out.jpg", buf)
 }
 
+func TestImageEnlargeAndCrop(t *testing.T) {
+	buf, err := initImage("test.png").EnlargeAndCrop(800, 480)
+	if err != nil {
+		t.Errorf("Cannot process the image: %#v", err)
+	}
+
+	err = assertSize(buf, 800, 480)
+	if err != nil {
+		t.Error(err)
+	}
+
+	Write("fixtures/test_enlarge_crop_out.jpg", buf)
+}
+
 func TestImageCrop(t *testing.T) {
 	buf, err := initImage("test.jpg").Crop(800, 600, NORTH)
 	if err != nil {