Add image format stub

Author: adazem009

src/CMakeLists.txt

@@ -12,3 +12,4 @@ add_subdirectory(blocks)
 add_subdirectory(engine)
 add_subdirectory(internal)
 add_subdirectory(scratch)
+add_subdirectory(imageformats)

src/imageformats/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(stub)

src/imageformats/stub/CMakeLists.txt

@@ -0,0 +1,5 @@
+target_sources(scratchcpp
+  PRIVATE
+    imageformatstub.cpp
+    imageformatstub.h
+)

src/imageformats/stub/imageformatstub.cpp

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: Apache-2.0
+
+#include "imageformatstub.h"
+
+namespace libscratchcpp
+{
+
+ImageFormatStub::ImageFormatStub()
+{
+}
+
+void ImageFormatStub::setData(const char *)
+{
+}
+
+unsigned int ImageFormatStub::width() const
+{
+    return 0;
+}
+
+unsigned int ImageFormatStub::height() const
+{
+    return 0;
+}
+
+Rgb ImageFormatStub::colorAt(unsigned int, unsigned int, double) const
+{
+    return 0;
+}
+
+} // namespace libscratchcpp

src/imageformats/stub/imageformatstub.h

@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+#include <scratchcpp/iimageformat.h>
+
+namespace libscratchcpp
+{
+
+class ImageFormatStub : public IImageFormat
+{
+    public:
+        ImageFormatStub();
+
+        void setData(const char *) override;
+
+        unsigned int width() const override;
+        unsigned int height() const override;
+
+        Rgb colorAt(unsigned int, unsigned int, double) const override;
+};
+
+} // namespace libscratchcpp