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FXPNGIcon.h
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6 * Copyright (C) 1999,2006 by Jeroen van der Zijp. All Rights Reserved. *
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22 * $Id: FXPNGIcon.h,v 1.22 2006/01/22 17:58:06 fox Exp $ *
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24 #ifndef FXPNGICON_H
25 #define FXPNGICON_H
26 
27 #ifndef FXICON_H
28 #include "FXIcon.h"
29 #endif
30 
31 namespace FX {
32 
33 
34 /// Portable Network Graphics (PNG) Icon class
35 class FXAPI FXPNGIcon : public FXIcon {
37 protected:
39 private:
40  FXPNGIcon(const FXPNGIcon&);
41  FXPNGIcon &operator=(const FXPNGIcon&);
42 public:
43  static const FXchar fileExt[];
44  static const FXchar mimeType[];
45 public:
46 
47  /// Construct an icon from memory stream formatted in PNG format
48  FXPNGIcon(FXApp *a,const void *pix=NULL,FXColor clr=FXRGB(192,192,192),FXuint opts=0,FXint w=1,FXint h=1);
49 
50  /// True if format is supported
51  static const bool supported;
52 
53  /// Save pixels into stream in PNG format
54  virtual bool savePixels(FXStream& store) const;
55 
56  /// Load pixels from stream in PNG format
57  virtual bool loadPixels(FXStream& store);
58 
59  /// Destroy
60  virtual ~FXPNGIcon();
61  };
62 
63 
64 /**
65 * Check if stream contains a PNG, return TRUE if so.
66 */
67 extern FXAPI bool fxcheckPNG(FXStream& store);
68 
69 
70 /**
71 * Load an PNG (Portable Network Graphics) file from a stream.
72 * Upon successful return, the pixel array and size are returned.
73 * If an error occurred, the pixel array is set to NULL.
74 */
75 extern FXAPI bool fxloadPNG(FXStream& store,FXColor*& data,FXint& width,FXint& height);
76 
77 
78 /**
79 * Save an PNG (Portable Network Graphics) file to a stream.
80 */
81 extern FXAPI bool fxsavePNG(FXStream& store,const FXColor* data,FXint width,FXint height);
82 
83 }
84 
85 #endif
char FXchar
Definition: fxdefs.h:380
unsigned int FXuint
Definition: fxdefs.h:389
#define FXAPI
Definition: fxdefs.h:122
Application Object.
Definition: FXApp.h:158
bool fxsavePNG(FXStream &store, const FXColor *data, FXint width, FXint height)
Save an PNG (Portable Network Graphics) file to a stream.
#define NULL
Definition: fxdefs.h:41
#define FXRGB(r, g, b)
Make RGB color.
Definition: fxdefs.h:572
bool fxloadPNG(FXStream &store, FXColor *&data, FXint &width, FXint &height)
Load an PNG (Portable Network Graphics) file from a stream.
FXuint FXColor
Definition: fxdefs.h:447
A stream is a way to serialize data and objects into a byte stream.
Definition: FXStream.h:99
Portable Network Graphics (PNG) Icon class.
Definition: FXPNGIcon.h:35
Definition: FX4Splitter.h:31
int FXint
Definition: fxdefs.h:390
An Icon is an image with two additional server-side resources: a shape bitmap, which is used to mask ...
Definition: FXIcon.h:45
bool fxcheckPNG(FXStream &store)
Check if stream contains a PNG, return TRUE if so.
#define FXDECLARE(classname)
Macro to set up class declaration.
Definition: FXObject.h:92

Copyright © 1997-2005 Jeroen van der Zijp