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deps/g3dlite/include/G3D/Image1.h

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+/**
+  \file G3D/Image1.h
+
+  \maintainer Morgan McGuire, http://graphics.cs.williams.edu
+
+  \created 2007-01-31
+  \edited  2011-08-31
+*/
+
+
+#ifndef G3D_Image1_h
+#define G3D_Image1_h
+
+#include "G3D/platform.h"
+#include "G3D/Map2D.h"
+#include "G3D/Color1.h"
+
+namespace G3D {
+
+typedef shared_ptr<class Image1> Image1Ref;
+
+/**
+ Luminance image with 32-bit floating point storage.
+
+ See also G3D::Image1unorm8, G3D::GImage.
+ */
+class Image1 : public Map2D<Color1, Color1> {
+public:
+
+    typedef Image1      Type;
+    typedef shared_ptr<class Image1>   Ref;
+    typedef Color1      Storage;
+    typedef Color1      Compute;
+
+protected:
+
+    Image1(int w, int h, WrapMode wrap);
+
+    void copyGImage(const class GImage& im);
+    void copyArray(const Color1* src, int w, int h);
+    void copyArray(const Color3* src, int w, int h);
+    void copyArray(const Color4* src, int w, int h);
+    void copyArray(const Color1unorm8* src, int w, int h);
+    void copyArray(const Color3unorm8* src, int w, int h);
+    void copyArray(const Color4unorm8* src, int w, int h);
+
+public:
+
+    const class ImageFormat* format() const;
+
+    /** Creates an all-zero width x height image. */
+    static Ref createEmpty(int width, int height, WrapMode wrap = WrapMode::ERROR);
+
+    /** Creates a 0 x 0 image. */
+    static Ref createEmpty(WrapMode wrap = WrapMode::ERROR);
+
+    static Ref fromFile(const std::string& filename, WrapMode wrap = WrapMode::ERROR);
+    
+    static Ref fromArray(const class Color1unorm8* ptr, int width, int height, WrapMode wrap = WrapMode::ERROR);
+    static Ref fromArray(const class Color3unorm8* ptr, int width, int height, WrapMode wrap = WrapMode::ERROR);
+    static Ref fromArray(const class Color4unorm8* ptr, int width, int height, WrapMode wrap = WrapMode::ERROR);
+    static Ref fromArray(const class Color1* ptr, int width, int height, WrapMode wrap = WrapMode::ERROR);
+    static Ref fromArray(const class Color3* ptr, int width, int height, WrapMode wrap = WrapMode::ERROR);
+    static Ref fromArray(const class Color4* ptr, int width, int height, WrapMode wrap = WrapMode::ERROR);
+
+    static Ref fromImage1unorm8(const shared_ptr<class Image1unorm8>& im);
+
+    /** Loads from any of the file formats supported by G3D::Image.
+
+        If there is an alpha channel on the input, it is stripped.
+        Values are automatically scaled to the range [0, 1]. */
+    void load(const std::string& filename);
+
+    /** Saves in any of the formats supported by G3D::Image. 
+
+        The data values are assumed to be on the range [0, 1] and will
+        be scaled appropriately for the save format.*/
+    void save(const std::string& filename);
+};
+
+} // G3D
+
+#endif