feat(examples): add image_scale (#7)

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ze/image.go

@@ -0,0 +1,30 @@
+package ze
+
+import "github.com/fumiama/gozel/gozel"
+
+// ImageHandle (ze_image_handle_t) Handle of driver's image object.
+type ImageHandle gozel.ZeImageHandle
+
+// ImageCreate Creates a 2D image on the context.
+// flags: 0 for read-only (kernel input), ZE_IMAGE_FLAG_KERNEL_WRITE for writable (kernel output).
+func (h ContextHandle) ImageCreate(
+	hDevice DeviceHandle, flags gozel.ZeImageFlags, format gozel.ZeImageFormat,
+	width uint64, height uint32,
+) (ih ImageHandle, err error) {
+	_, err = gozel.ZeImageCreate(gozel.ZeContextHandle(h), gozel.ZeDeviceHandle(hDevice),
+		&gozel.ZeImageDesc{
+			Stype:  gozel.ZE_STRUCTURE_TYPE_IMAGE_DESC,
+			Flags:  flags,
+			Type:   gozel.ZE_IMAGE_TYPE_2D,
+			Format: format,
+			Width:  width,
+			Height: height,
+		}, (*gozel.ZeImageHandle)(&ih))
+	return
+}
+
+// Destroy Deletes an image object.
+func (h ImageHandle) Destroy() error {
+	_, err := gozel.ZeImageDestroy(gozel.ZeImageHandle(h))
+	return err
+}