Use Basic[Mutable]ImageView aliases instead of nondescript raw types.

doc/changelog.dox

@@ -46,9 +46,9 @@ See also:
 -   New @ref Image::pixels(), @ref ImageView::pixels() and
     @ref Trade::ImageData::pixels() accessors for convenient direct access to
     pixel data of any image
--   New @ref MutableImageView2D "MutableImageView*D" and
-    @ref CompressedMutableImageView2D "CompressedMutableImageView*D" types for
-    mutable views onto image data
+-   New @ref BasicMutableImageView "MutableImageView*D" and
+    @ref BasicMutableCompressedImageView "MutableCompressedImageView*D" types
+    for mutable views onto image data
 
 @subsubsection changelog-latest-new-audio Audio library
 

src/Magnum/GL/Texture.h

@@ -1037,7 +1037,7 @@ template<UnsignedInt dimensions> class Texture: public AbstractTexture {
          * @deprecated_gl Prefer to use @ref setStorage() and @ref setSubImage()
          *      instead.
          */
-        Texture<dimensions>& setImage(Int level, TextureFormat internalFormat, const ImageView<dimensions, const char>& image) {
+        Texture<dimensions>& setImage(Int level, TextureFormat internalFormat, const BasicImageView<dimensions>& image) {
             DataHelper<dimensions>::setImage(*this, level, internalFormat, image);
             return *this;
         }
@@ -1093,7 +1093,7 @@ template<UnsignedInt dimensions> class Texture: public AbstractTexture {
          * @deprecated_gl Prefer to use @ref setStorage() and
          *      @ref setCompressedSubImage() instead.
          */
-        Texture<dimensions>& setCompressedImage(Int level, const CompressedImageView<dimensions, const char>& image) {
+        Texture<dimensions>& setCompressedImage(Int level, const BasicCompressedImageView<dimensions>& image) {
             DataHelper<dimensions>::setCompressedImage(*this, level, image);
             return *this;
         }
@@ -1167,7 +1167,7 @@ template<UnsignedInt dimensions> class Texture: public AbstractTexture {
          *      able to use @ref setStorage() as it uses implicit @ref PixelType
          *      value.
          */
-        Texture<dimensions>& setSubImage(Int level, const VectorTypeFor<dimensions, Int>& offset, const ImageView<dimensions, const char>& image) {
+        Texture<dimensions>& setSubImage(Int level, const VectorTypeFor<dimensions, Int>& offset, const BasicImageView<dimensions>& image) {
             DataHelper<Dimensions>::setSubImage(*this, level, offset, image);
             return *this;
         }
@@ -1219,7 +1219,7 @@ template<UnsignedInt dimensions> class Texture: public AbstractTexture {
          * @requires_gl Non-default @ref CompressedPixelStorage is not
          *      available in OpenGL ES and WebGL.
          */
-        Texture<dimensions>& setCompressedSubImage(Int level, const VectorTypeFor<dimensions, Int>& offset, const CompressedImageView<dimensions, const char>& image) {
+        Texture<dimensions>& setCompressedSubImage(Int level, const VectorTypeFor<dimensions, Int>& offset, const BasicCompressedImageView<dimensions>& image) {
             DataHelper<Dimensions>::setCompressedSubImage(*this, level, offset, image);
             return *this;
         }

src/Magnum/GL/TextureArray.h

@@ -699,7 +699,7 @@ template<UnsignedInt dimensions> class TextureArray: public AbstractTexture {
          * @deprecated_gl Prefer to use @ref setStorage() and @ref setSubImage()
          *      instead.
          */
-        TextureArray<dimensions>& setImage(Int level, TextureFormat internalFormat, const ImageView<dimensions+1, const char>& image) {
+        TextureArray<dimensions>& setImage(Int level, TextureFormat internalFormat, const BasicImageView<dimensions+1>& image) {
             DataHelper<dimensions+1>::setImage(*this, level, internalFormat, image);
             return *this;
         }
@@ -734,7 +734,7 @@ template<UnsignedInt dimensions> class TextureArray: public AbstractTexture {
          * @deprecated_gl Prefer to use @ref setStorage() and
          *      @ref setCompressedSubImage() instead.
          */
-        TextureArray<dimensions>& setCompressedImage(Int level, const CompressedImageView<dimensions+1, const char>& image) {
+        TextureArray<dimensions>& setCompressedImage(Int level, const BasicCompressedImageView<dimensions+1>& image) {
             DataHelper<dimensions+1>::setCompressedImage(*this, level, image);
             return *this;
         }
@@ -781,7 +781,7 @@ template<UnsignedInt dimensions> class TextureArray: public AbstractTexture {
          *      eventually @fn_gl{ActiveTexture}, @fn_gl{BindTexture} and
          *      @fn_gl_keyword{TexSubImage2D} / @fn_gl_keyword{TexSubImage3D}
          */
-        TextureArray<dimensions>& setSubImage(Int level, const VectorTypeFor<dimensions+1, Int>& offset, const ImageView<dimensions+1, const char>& image) {
+        TextureArray<dimensions>& setSubImage(Int level, const VectorTypeFor<dimensions+1, Int>& offset, const BasicImageView<dimensions+1>& image) {
             DataHelper<dimensions+1>::setSubImage(*this, level, offset, image);
             return *this;
         }
@@ -818,7 +818,7 @@ template<UnsignedInt dimensions> class TextureArray: public AbstractTexture {
          * @requires_gl Non-default @ref CompressedPixelStorage is not
          *      available in OpenGL ES and WebGL.
          */
-        TextureArray<dimensions>& setCompressedSubImage(Int level, const VectorTypeFor<dimensions+1, Int>& offset, const CompressedImageView<dimensions+1, const char>& image) {
+        TextureArray<dimensions>& setCompressedSubImage(Int level, const VectorTypeFor<dimensions+1, Int>& offset, const BasicCompressedImageView<dimensions+1>& image) {
             DataHelper<dimensions+1>::setCompressedSubImage(*this, level, offset, image);
             return *this;
         }

src/Magnum/Image.cpp

@@ -60,12 +60,12 @@ template<UnsignedInt dimensions> Image<dimensions>& Image<dimensions>::operator=
     return *this;
 }
 
-template<UnsignedInt dimensions> Image<dimensions>::operator ImageView<dimensions, char>() {
-    return ImageView<dimensions, char>{_storage, _format, _formatExtra, _pixelSize, _size, _data};
+template<UnsignedInt dimensions> Image<dimensions>::operator BasicMutableImageView<dimensions>() {
+    return BasicMutableImageView<dimensions>{_storage, _format, _formatExtra, _pixelSize, _size, _data};
 }
 
-template<UnsignedInt dimensions> Image<dimensions>::operator ImageView<dimensions, const char>() const {
-    return ImageView<dimensions, const char>{_storage, _format, _formatExtra, _pixelSize, _size, _data};
+template<UnsignedInt dimensions> Image<dimensions>::operator BasicImageView<dimensions>() const {
+    return BasicImageView<dimensions>{_storage, _format, _formatExtra, _pixelSize, _size, _data};
 }
 
 template<UnsignedInt dimensions> std::pair<VectorTypeFor<dimensions, std::size_t>, VectorTypeFor<dimensions, std::size_t>> Image<dimensions>::dataProperties() const {
@@ -106,12 +106,12 @@ template<UnsignedInt dimensions> CompressedImage<dimensions>& CompressedImage<di
     return *this;
 }
 
-template<UnsignedInt dimensions> CompressedImage<dimensions>::operator CompressedImageView<dimensions, char>() {
-    return CompressedImageView<dimensions, char>{_storage, _format, _size, _data};
+template<UnsignedInt dimensions> CompressedImage<dimensions>::operator BasicMutableCompressedImageView<dimensions>() {
+    return BasicMutableCompressedImageView<dimensions>{_storage, _format, _size, _data};
 }
 
-template<UnsignedInt dimensions> CompressedImage<dimensions>::operator CompressedImageView<dimensions, const char>() const {
-    return CompressedImageView<dimensions, const char>{_storage, _format, _size, _data};
+template<UnsignedInt dimensions> CompressedImage<dimensions>::operator BasicCompressedImageView<dimensions>() const {
+    return BasicCompressedImageView<dimensions>{_storage, _format, _size, _data};
 }
 
 template<UnsignedInt dimensions> std::pair<VectorTypeFor<dimensions, std::size_t>, VectorTypeFor<dimensions, std::size_t>> CompressedImage<dimensions>::dataProperties() const {

src/Magnum/Image.h

@@ -313,9 +313,9 @@ template<UnsignedInt dimensions> class Image {
         /** @brief Conversion to view */
         /* Not restricted to const&, because we might want to pass the view to
            another function in an oneliner (e.g. saving screenshot) */
-        /*implicit*/ operator ImageView<dimensions, char>();
+        /*implicit*/ operator BasicMutableImageView<dimensions>();
         /** @overload */
-        /*implicit*/ operator ImageView<dimensions, const char>() const;
+        /*implicit*/ operator BasicImageView<dimensions>() const;
 
         /** @brief Storage of pixel data */
         PixelStorage storage() const { return _storage; }
@@ -574,9 +574,9 @@ template<UnsignedInt dimensions> class CompressedImage {
         /** @brief Conversion to view */
         /* Not restricted to const&, because we might want to pass the view to
            another function in an oneliner (e.g. saving screenshot) */
-        /*implicit*/ operator CompressedImageView<dimensions, char>();
+        /*implicit*/ operator BasicMutableCompressedImageView<dimensions>();
         /** @overload */
-        /*implicit*/ operator CompressedImageView<dimensions, const char>() const;
+        /*implicit*/ operator BasicCompressedImageView<dimensions>() const;
 
         /** @brief Storage of compressed pixel data */
         CompressedPixelStorage storage() const { return _storage; }

src/Magnum/ImageView.h

@@ -26,7 +26,7 @@
 */
 
 /** @file
- * @brief Class @ref Magnum::ImageView, @ref Magnum::CompressedImageView, typedef @ref Magnum::ImageView1D, @ref Magnum::ImageView2D, @ref Magnum::ImageView3D, @ref Magnum::MutableImageView1D, @ref Magnum::MutableImageView2D, @ref Magnum::MutableImageView3D, @ref Magnum::CompressedImageView1D, @ref Magnum::CompressedImageView2D, @ref Magnum::CompressedImageView3D, @ref Magnum::MutableCompressedImageView1D, @ref Magnum::MutableCompressedImageView2D, @ref Magnum::MutableCompressedImageView3D
+ * @brief Class @ref Magnum::ImageView, @ref Magnum::CompressedImageView, alias @ref Magnum::BasicImageView, @ref Magnum::BasicCompressedImageView, typedef @ref Magnum::ImageView1D, @ref Magnum::ImageView2D, @ref Magnum::ImageView3D, @ref Magnum::MutableImageView1D, @ref Magnum::MutableImageView2D, @ref Magnum::MutableImageView3D, @ref Magnum::CompressedImageView1D, @ref Magnum::CompressedImageView2D, @ref Magnum::CompressedImageView3D, @ref Magnum::MutableCompressedImageView1D, @ref Magnum::MutableCompressedImageView2D, @ref Magnum::MutableCompressedImageView3D
  */
 
 #include <Corrade/Containers/ArrayView.h>
@@ -80,11 +80,12 @@ sub-rectangle of a 75x75 8-bit RGB image , with rows aligned to four bytes:
 
 @section ImageView-mutable Data mutability
 
-When using e.g. the @ref ImageView2D typedef, the viewed data are immutable.
-This is the most common use case, in order to be able to mutate the underlying
-data (for example in order to read into a pre-allocated memory), use
-@ref MutableImageView2D and friends instead. @ref Image and
-@ref Trade::ImageData are convertible to either of these. Similarly to
+When using types derived from @ref BasicImageView (e.g. @ref ImageView2D), the
+viewed data are immutable. This is the most common use case. In order to be
+able to mutate the underlying data (for example in order to read into a
+pre-allocated memory), use @ref BasicMutableImageView
+(e.g. @ref MutableImageView2D) instead. @ref Image and @ref Trade::ImageData
+are convertible to either of these. Similarly to
 @ref Corrade::Containers::ArrayView etc., a mutable view is also implicitly
 convertible to a const one.
 
@@ -123,9 +124,9 @@ Metal-specific format identifier:
 
 @snippet Magnum.cpp ImageView-usage-metal
 
-@see @ref ImageView1D, @ref ImageView2D, @ref ImageView3D,
-    @ref MutableImageView1D, @ref MutableImageView2D, @ref MutableImageView3D,
-    @ref Image-pixel-views
+@see @ref BasicImageView, @ref ImageView1D, @ref ImageView2D, @ref ImageView3D,
+    @ref BasicMutableImageView, @ref MutableImageView1D,
+    @ref MutableImageView2D, @ref MutableImageView3D, @ref Image-pixel-views
 */
 template<UnsignedInt dimensions, class T> class ImageView {
     public:
@@ -136,20 +137,16 @@ template<UnsignedInt dimensions, class T> class ImageView {
         /**
          * @brief Raw data type
          *
-         * @cpp const char @ce for @ref ImageView1D / @ref ImageView2D /
-         * @ref ImageView3D and @cpp char @ce for @ref MutableImageView1D /
-         * @ref MutableImageView2D / @ref MutableImageView3D. See also
-         * @ref ErasedType.
+         * @cpp const char @ce for @ref BasicImageView and @cpp char @ce for
+         * @ref BasicMutableImageView. See also @ref ErasedType.
          */
         typedef T Type;
 
         /**
          * @brief Erased data type
          *
-         * @cpp const void @ce for @ref ImageView1D / @ref ImageView2D /
-         * @ref ImageView3D and @cpp const void @ce for @ref MutableImageView1D
-         * / @ref MutableImageView2D / @ref MutableImageView3D. See also
-         * @ref Type.
+         * @cpp const void @ce for @ref BasicImageView and @cpp const void @ce
+         * for @ref BasicMutableImageView. See also @ref Type.
          */
         typedef typename std::conditional<std::is_const<T>::value, const void, void>::type ErasedType;
 
@@ -463,47 +460,67 @@ template<UnsignedInt dimensions, class T> class ImageView {
         Containers::ArrayView<Type> _data;
 };
 
+/**
+@brief Const image view
+
+@see @ref ImageView1D, @ref ImageView2D, @ref ImageView3D,
+    @ref BasicMutableImageView
+*/
+#ifndef CORRADE_MSVC2015_COMPATIBILITY /* Multiple definitions still broken */
+template<UnsignedInt dimensions> using BasicImageView = ImageView<dimensions, const char>;
+#endif
+
 /**
 @brief One-dimensional image view
 
-@see @ref MutableImageView1D, @ref CompressedImageView1D
+@see @ref MutableImageView1D, @ref CompressedImageView1D, @ref ImageView
 */
-typedef ImageView<1, const char> ImageView1D;
+typedef BasicImageView<1> ImageView1D;
 
 /**
 @brief Two-dimensional image view
 
-@see @ref MutableImageView2D, @ref CompressedImageView2D
+@see @ref MutableImageView2D, @ref CompressedImageView2D, @ref ImageView
 */
-typedef ImageView<2, const char> ImageView2D;
+typedef BasicImageView<2> ImageView2D;
 
 /**
 @brief Three-dimensional image view
 
-@see @ref MutableImageView3D, @ref CompressedImageView3D
+@see @ref MutableImageView3D, @ref CompressedImageView3D, @ref ImageView
 */
-typedef ImageView<3, const char> ImageView3D;
+typedef BasicImageView<3> ImageView3D;
+
+/**
+@brief Mutable image view
+
+@see @ref MutableImageView1D, @ref MutableImageView2D, @ref MutableImageView3D,
+    @ref BasicImageView
+*/
+#ifndef CORRADE_MSVC2015_COMPATIBILITY /* Multiple definitions still broken */
+template<UnsignedInt dimensions> using BasicMutableImageView = ImageView<dimensions, char>;
+#endif
 
 /**
 @brief One-dimensional mutable image view
 
-@see @ref ImageView1D, @ref MutableCompressedImageView1D
+@see @ref ImageView1D, @ref MutableCompressedImageView1D, @ref ImageView
 */
-typedef ImageView<1, char> MutableImageView1D;
+typedef BasicMutableImageView<1> MutableImageView1D;
 
 /**
 @brief Two-dimensional mutable image view
 
-@see @ref ImageView2D, @ref MutableCompressedImageView2D
+@see @ref ImageView2D, @ref MutableCompressedImageView2D, @ref ImageView
 */
-typedef ImageView<2, char> MutableImageView2D;
+typedef BasicMutableImageView<2> MutableImageView2D;
 
 /**
 @brief Three-dimensional mutable image view
 
-@see @ref ImageView3D, @ref MutableCompressedImageView3D
+@see @ref ImageView3D, @ref MutableCompressedImageView3D, @ref ImageView
 */
-typedef ImageView<3, char> MutableImageView3D;
+typedef BasicMutableImageView<3> MutableImageView3D;
 
 /**
 @brief Compressed image view
@@ -543,13 +560,14 @@ as first parameter. In the following snippet, the view is the bottom-right
 
 @section CompressedImageView-mutable Data mutability
 
-When using e.g. the @ref CompressedImageView2D typedef, the viewed data are
-immutable. This is the most common use case, in order to be able to mutate the
-underlying data (for example in order to read into a pre-allocated memory), use
-@ref MutableCompressedImageView2D and friends instead. @ref CompressedImage and
-@ref Trade::ImageData are convertible to either of those. Similarly to
-@ref Corrade::Containers::ArrayView etc., a mutable view is also implicitly
-convertible to a const one.
+When using types derived from @ref BasicCompressedImageView (e.g.
+@ref CompressedImageView2D), the viewed data are immutable. This is the most
+common use case. In order to be able to mutate the underlying data (for example
+in order to read into a pre-allocated memory), use
+@ref BasicMutableCompressedImageView (e.g. @ref MutableCompressedImageView2D)
+instead. @ref CompressedImage and @ref Trade::ImageData are convertible to
+either of these. Similarly to @ref Corrade::Containers::ArrayView etc., a
+mutable view is also implicitly convertible to a const one.
 
 @subsection CompressedImageView-usage-implementation-specific Implementation-specific formats
 
@@ -766,47 +784,73 @@ template<UnsignedInt dimensions, class T> class CompressedImageView {
         Containers::ArrayView<Type> _data;
 };
 
+/**
+@brief Const compressed image view
+
+@see @ref CompressedImageView1D, @ref CompressedImageView2D,
+    @ref CompressedImageView3D, @ref BasicMutableImageView
+*/
+#ifndef CORRADE_MSVC2015_COMPATIBILITY /* Multiple definitions still broken */
+template<UnsignedInt dimensions> using BasicCompressedImageView = CompressedImageView<dimensions, const char>;
+#endif
+
 /**
 @brief One-dimensional compressed image view
 
-@see @ref MutableCompressedImageView1D, @ref ImageView1D
+@see @ref MutableCompressedImageView1D, @ref ImageView1D,
+    @ref CompressedImageView
 */
-typedef CompressedImageView<1, const char> CompressedImageView1D;
+typedef BasicCompressedImageView<1> CompressedImageView1D;
 
 /**
 @brief Two-dimensional compressed image view
 
-@see @ref MutableCompressedImageView2D, @ref ImageView2D
+@see @ref MutableCompressedImageView2D, @ref ImageView2D,
+    @ref CompressedImageView
 */
-typedef CompressedImageView<2, const char> CompressedImageView2D;
+typedef BasicCompressedImageView<2> CompressedImageView2D;
 
 /**
 @brief Three-dimensional compressed image view
 
-@see @ref MutableCompressedImageView3D, @ref ImageView3D
+@see @ref MutableCompressedImageView3D, @ref ImageView3D,
+    @ref CompressedImageView
+*/
+typedef BasicCompressedImageView<3> CompressedImageView3D;
+
+/**
+@brief Mutable compressed image view
+
+@see @ref MutableCompressedImageView1D, @ref MutableCompressedImageView2D,
+    @ref MutableCompressedImageView3D, @ref BasicCompressedImageView
 */
-typedef CompressedImageView<3, const char> CompressedImageView3D;
+#ifndef CORRADE_MSVC2015_COMPATIBILITY /* Multiple definitions still broken */
+template<UnsignedInt dimensions> using BasicMutableCompressedImageView = CompressedImageView<dimensions, char>;
+#endif
 
 /**
 @brief One-dimensional mutable compressed image view
 
-@see @ref CompressedImageView1D, @ref MutableImageView1D
+@see @ref CompressedImageView1D, @ref MutableImageView1D,
+    @ref CompressedImageView
 */
-typedef CompressedImageView<1, char> MutableCompressedImageView1D;
+typedef BasicMutableCompressedImageView<1> MutableCompressedImageView1D;
 
 /**
 @brief Two-dimensional mutable compressed image view
 
-@see @ref CompressedImageView2D, @ref MutableImageView2D
+@see @ref CompressedImageView2D, @ref MutableImageView2D,
+    @ref CompressedImageView
 */
-typedef CompressedImageView<2, char> MutableCompressedImageView2D;
+typedef BasicMutableCompressedImageView<2> MutableCompressedImageView2D;
 
 /**
 @brief Three-dimensional mutable compressed image view
 
-@see @ref CompressedImageView3D, @ref MutableImageView3D
+@see @ref CompressedImageView3D, @ref MutableImageView3D,
+    @ref CompressedImageView
 */
-typedef CompressedImageView<3, char> MutableCompressedImageView3D;
+typedef BasicMutableCompressedImageView<3> MutableCompressedImageView3D;
 
 template<UnsignedInt dimensions, class T> template<class U, class V> inline ImageView<dimensions, T>::ImageView(const PixelStorage storage, const U format, const V formatExtra, const VectorTypeFor<dimensions, Int>& size, const Containers::ArrayView<ErasedType> data) noexcept: ImageView{storage, UnsignedInt(format), UnsignedInt(formatExtra), Implementation::pixelSizeAdl(format, formatExtra), size, data} {
     static_assert(sizeof(T) <= 4 && sizeof(U) <= 4,

src/Magnum/Magnum.h

@@ -728,20 +728,24 @@ typedef CompressedImage<2> CompressedImage2D;
 typedef CompressedImage<3> CompressedImage3D;
 
 template<UnsignedInt, class> class ImageView;
-typedef ImageView<1, const char> ImageView1D;
-typedef ImageView<2, const char> ImageView2D;
-typedef ImageView<3, const char> ImageView3D;
-typedef ImageView<1, char> MutableImageView1D;
-typedef ImageView<2, char> MutableImageView2D;
-typedef ImageView<3, char> MutableImageView3D;
+template<UnsignedInt dimensions> using BasicImageView = ImageView<dimensions, const char>;
+typedef BasicImageView<1> ImageView1D;
+typedef BasicImageView<2> ImageView2D;
+typedef BasicImageView<3> ImageView3D;
+template<UnsignedInt dimensions> using BasicMutableImageView = ImageView<dimensions, char>;
+typedef BasicMutableImageView<1> MutableImageView1D;
+typedef BasicMutableImageView<2> MutableImageView2D;
+typedef BasicMutableImageView<3> MutableImageView3D;
 
 template<UnsignedInt, class> class CompressedImageView;
-typedef CompressedImageView<1, const char> CompressedImageView1D;
-typedef CompressedImageView<2, const char> CompressedImageView2D;
-typedef CompressedImageView<3, const char> CompressedImageView3D;
-typedef CompressedImageView<1, char> MutableCompressedImageView1D;
-typedef CompressedImageView<2, char> MutableCompressedImageView2D;
-typedef CompressedImageView<3, char> MutableCompressedImageView3D;
+template<UnsignedInt dimensions> using BasicCompressedImageView = CompressedImageView<dimensions, const char>;
+typedef BasicCompressedImageView<1> CompressedImageView1D;
+typedef BasicCompressedImageView<2> CompressedImageView2D;
+typedef BasicCompressedImageView<3> CompressedImageView3D;
+template<UnsignedInt dimensions> using BasicMutableCompressedImageView = CompressedImageView<dimensions, char>;
+typedef BasicMutableCompressedImageView<1> MutableCompressedImageView1D;
+typedef BasicMutableCompressedImageView<2> MutableCompressedImageView2D;
+typedef BasicMutableCompressedImageView<3> MutableCompressedImageView3D;
 
 enum class MeshPrimitive: UnsignedInt;
 enum class MeshIndexType: UnsignedInt;

src/Magnum/Trade/ImageData.cpp

@@ -128,26 +128,26 @@ template<UnsignedInt dimensions> Containers::StridedArrayView<dimensions + 1, co
     return Implementation::imagePixelView<dimensions, const char>(*this);
 }
 
-template<UnsignedInt dimensions> ImageData<dimensions>::operator ImageView<dimensions, char>() {
-    CORRADE_ASSERT(!_compressed, "Trade::ImageData: the image is compressed", (ImageView<dimensions, char>{_storage, _format, _formatExtra, _pixelSize, _size}));
-    return ImageView<dimensions, char>{_storage, _format, _formatExtra, _pixelSize, _size, _data};
+template<UnsignedInt dimensions> ImageData<dimensions>::operator BasicMutableImageView<dimensions>() {
+    CORRADE_ASSERT(!_compressed, "Trade::ImageData: the image is compressed", (BasicMutableImageView<dimensions>{_storage, _format, _formatExtra, _pixelSize, _size}));
+    return BasicMutableImageView<dimensions>{_storage, _format, _formatExtra, _pixelSize, _size, _data};
 }
 
-template<UnsignedInt dimensions> ImageData<dimensions>::operator ImageView<dimensions, const char>() const {
-    CORRADE_ASSERT(!_compressed, "Trade::ImageData: the image is compressed", (ImageView<dimensions, const char>{_storage, _format, _formatExtra, _pixelSize, _size}));
-    return ImageView<dimensions, const char>{_storage, _format, _formatExtra, _pixelSize, _size, _data};
+template<UnsignedInt dimensions> ImageData<dimensions>::operator BasicImageView<dimensions>() const {
+    CORRADE_ASSERT(!_compressed, "Trade::ImageData: the image is compressed", (BasicImageView<dimensions>{_storage, _format, _formatExtra, _pixelSize, _size}));
+    return BasicImageView<dimensions>{_storage, _format, _formatExtra, _pixelSize, _size, _data};
 }
 
-template<UnsignedInt dimensions> ImageData<dimensions>::operator CompressedImageView<dimensions, char>() {
-    CORRADE_ASSERT(_compressed, "Trade::ImageData: the image is not compressed", (CompressedImageView<dimensions, char>{_compressedStorage, _compressedFormat, _size}));
-    return CompressedImageView<dimensions, char>{
+template<UnsignedInt dimensions> ImageData<dimensions>::operator BasicMutableCompressedImageView<dimensions>() {
+    CORRADE_ASSERT(_compressed, "Trade::ImageData: the image is not compressed", (BasicMutableCompressedImageView<dimensions>{_compressedStorage, _compressedFormat, _size}));
+    return BasicMutableCompressedImageView<dimensions>{
         _compressedStorage,
         _compressedFormat, _size, _data};
 }
 
-template<UnsignedInt dimensions> ImageData<dimensions>::operator CompressedImageView<dimensions, const char>() const {
-    CORRADE_ASSERT(_compressed, "Trade::ImageData: the image is not compressed", (CompressedImageView<dimensions, const char>{_compressedStorage, _compressedFormat, _size}));
-    return CompressedImageView<dimensions, const char>{
+template<UnsignedInt dimensions> ImageData<dimensions>::operator BasicCompressedImageView<dimensions>() const {
+    CORRADE_ASSERT(_compressed, "Trade::ImageData: the image is not compressed", (BasicCompressedImageView<dimensions>{_compressedStorage, _compressedFormat, _size}));
+    return BasicCompressedImageView<dimensions>{
         _compressedStorage,
         _compressedFormat, _size, _data};
 }

src/Magnum/Trade/ImageData.h

@@ -236,9 +236,9 @@ template<UnsignedInt dimensions> class ImageData {
          */
         /* Not restricted to const&, because we might want to pass the view to
            another function in an oneliner (e.g. saving screenshot) */
-        /*implicit*/ operator ImageView<dimensions, char>();
+        /*implicit*/ operator BasicMutableImageView<dimensions>();
         /** @overload */
-        /*implicit*/ operator ImageView<dimensions, const char>() const;
+        /*implicit*/ operator BasicImageView<dimensions>() const;
 
         /**
          * @brief Conversion to compressed view
@@ -248,9 +248,9 @@ template<UnsignedInt dimensions> class ImageData {
          */
         /* Not restricted to const&, because we might want to pass the view to
            another function in an oneliner (e.g. saving screenshot) */
-        /*implicit*/ operator CompressedImageView<dimensions, char>();
+        /*implicit*/ operator BasicMutableCompressedImageView<dimensions>();
         /** @overload */
-        /*implicit*/ operator CompressedImageView<dimensions, const char>() const;
+        /*implicit*/ operator BasicCompressedImageView<dimensions>() const;
 
         /**
          * @brief Storage of pixel data