Add image builder processing bus

Gems/Atom/Asset/ImageProcessingAtom/Code/Include/Atom/ImageProcessing/ImageProcessingBus.h

@@ -13,8 +13,14 @@
 #pragma once
 
 #include <AzCore/EBus/EBus.h>
+#include <AzCore/Asset/AssetCommon.h>
 #include <Atom/ImageProcessing/ImageObject.h>
 
+namespace AssetBuilderSDK
+{
+    struct JobProduct;
+}
+
 namespace ImageProcessingAtom
 {
     class ImageProcessingRequests
@@ -35,4 +41,39 @@ namespace ImageProcessingAtom
         virtual IImageObjectPtr LoadImagePreview(const AZStd::string& filePath) = 0;
     };
     using ImageProcessingRequestBus = AZ::EBus<ImageProcessingRequests>;
+
+    class ImageBuilderRequests
+        : public AZ::EBusTraits
+    {
+    public:
+        //////////////////////////////////////////////////////////////////////////
+        // EBusTraits overrides
+        static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
+        static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
+        /////////////////////////////////////////////////////////////////////////
+
+        //! Create an image object
+        virtual IImageObjectPtr CreateImage(
+            AZ::u32 width,
+            AZ::u32 height,
+            AZ::u32 maxMipCount,
+            EPixelFormat pixelFormat) = 0;
+
+        //! Convert an image and save its products to the specified folder
+        virtual AZStd::vector<AssetBuilderSDK::JobProduct> ConvertImageObject(
+            IImageObjectPtr imageObject,
+            const AZStd::string& presetName,
+            const AZStd::string& platformName,
+            const AZStd::string& outputDir,
+            const AZ::Data::AssetId& sourceAssetId,
+            const AZStd::string& sourceAssetName) = 0;
+
+        //! Return whether the specified platform is supported by the image builder
+        virtual bool DoesSupportPlatform(const AZStd::string& platformId) = 0;
+
+        //! Return whether the specified preset requires an image to be square and a power of 2
+        virtual bool IsPresetFormatSquarePow2(const AZStd::string& presetName, const AZStd::string& platformName) = 0;
+    };
+
+    using ImageBuilderRequestBus = AZ::EBus<ImageBuilderRequests>;
 } // namespace ImageProcessingAtom

Gems/Atom/Asset/ImageProcessingAtom/Code/Include/Atom/ImageProcessing/ImageProcessingEditorBus.h

@@ -13,10 +13,15 @@
 
 #include <AzCore/EBus/EBus.h>
 
-class QString;
+namespace ImageProcessingAtom
+{
+    class IImageObject;
+}
 
 namespace ImageProcessingAtomEditor
 {
+    typedef AZStd::shared_ptr<ImageProcessingAtom::IImageObject> IImageObjectPtr;
+
     class ImageProcessingEditorRequests
         : public AZ::EBusTraits
     {