Visualization Library 2.0.0-b3

A lightweight C++ OpenGL middleware for 2D/3D graphics

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ioJPG.hpp
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31 
32 #if !defined(ioJPG_INCLUDE_ONCE)
33 #define ioJPG_INCLUDE_ONCE
34 
35 #include <vlCore/Object.hpp>
38 #include <vlCore/Image.hpp>
39 
40 namespace vl
41 {
42  class VirtualFile;
43  class String;
44  class Image;
45 
46  VLCORE_EXPORT ref<Image> loadJPG(VirtualFile* file);
47  VLCORE_EXPORT ref<Image> loadJPG(const String& path);
48  VLCORE_EXPORT bool isJPG(VirtualFile* file);
49  VLCORE_EXPORT bool saveJPG(const Image* src, const String& path, int quality = 95);
50  VLCORE_EXPORT bool saveJPG(const Image* src, VirtualFile* file, int quality = 95);
51 
52  //---------------------------------------------------------------------------
53  // LoadWriterJPG
54  //---------------------------------------------------------------------------
59  {
61 
62  public:
63  LoadWriterJPG(): ResourceLoadWriter("|jpg|", "|jpg|"), mQuality(95)
64  {
65  VL_DEBUG_SET_OBJECT_NAME()
66  }
67 
69  {
71  ref<Image> img = loadJPG(path);
72  if (img)
73  res_db->resources().push_back(img);
74  return res_db;
75  }
76 
78  {
80  ref<Image> img = loadJPG(file);
81  if (img)
82  res_db->resources().push_back(img);
83  return res_db;
84  }
85 
86  bool writeResource(const String& path, ResourceDatabase* resource) const
87  {
88  bool ok = true;
89  for(unsigned i=0; i<resource->count<Image>(); ++i)
90  ok &= saveJPG(resource->get<Image>(i), path, quality());
91  return ok;
92  }
93 
94  bool writeResource(VirtualFile* file, ResourceDatabase* resource) const
95  {
96  bool ok = true;
97  for(unsigned i=0; i<resource->count<Image>(); ++i)
98  ok &= saveJPG(resource->get<Image>(i), file, quality());
99  return ok;
100  }
101 
102  int quality() const { return mQuality; }
105 
106  protected:
107  int mQuality;
108  };
109 }
110 
111 #endif
An abstract class representing a file.
Definition: VirtualFile.hpp:60
ref< ResourceDatabase > loadResource(VirtualFile *file) const
Definition: ioJPG.hpp:77
The String class implements an advanced UTF16 (Unicode BMP) string manipulation engine.
Definition: String.hpp:62
void setQuality(int quality)
Sets the quality level used when saving a file. Must be between 0 and 100.
Definition: ioJPG.hpp:104
VLCORE_EXPORT ref< Image > loadJPG(VirtualFile *file)
Definition: ioJPG.cpp:396
The LoadWriterJPG class is a ResourceLoadWriter capable of reading JPG files.
Definition: ioJPG.hpp:58
bool writeResource(VirtualFile *file, ResourceDatabase *resource) const
Definition: ioJPG.hpp:94
bool writeResource(const String &path, ResourceDatabase *resource) const
Definition: ioJPG.hpp:86
size_t count() const
Don&#39;t use inside loops! Counts the number object of the specified type.
#define VL_INSTRUMENT_CLASS(ClassName, BaseClass)
Definition: TypeInfo.hpp:122
Visualization Library main namespace.
void get(std::vector< ref< T > > &resources, bool clear_vector=true)
Returns all the objects of the specified type in the given vector.
VLCORE_EXPORT bool isJPG(VirtualFile *file)
Definition: ioJPG.cpp:515
VLCORE_EXPORT bool saveJPG(const Image *src, const String &path, int quality=95)
Definition: ioJPG.cpp:527
ref< ResourceDatabase > loadResource(const String &path) const
Definition: ioJPG.hpp:68
int quality() const
Definition: ioJPG.hpp:102
Implements a generic 1d, 2d, 3d and cubemap image that can have mipmaps.
Definition: Image.hpp:54
The ref<> class is used to reference-count an Object.
Definition: Object.hpp:55
The ResourceLoadWriter class is an abstract class used to implement read/write support for one or mor...
The ResourceDatabase class contains and manipulates a set of resources.