source/graphics/image.cpp

   1 #include <msp/core/refptr.h>
   2 #include <msp/fs/utils.h>
   3 #include <msp/io/file.h>
   4 #include <msp/io/memory.h>
   5 #include "image.h"
   6 #include "imageloader.h"
   7
   8 using namespace std;
   9
  10 namespace Msp {
  11 namespace Graphics {
  12
  13 Image::Data::Data():
  14         fmt(RGB),
  15         width(0),
  16         height(0),
  17         data(0)
  18 { }
  19
  20 Image::Data::Data(const Data &other):
  21         fmt(other.fmt),
  22         width(other.width),
  23         height(other.height),
  24         stride(other.stride),
  25         data(other.data ? new char[stride*height] : 0)
  26 {
  27         if(data)
  28                 copy(other.data, other.data+stride*height, data);
  29 }
  30
  31 Image::Data &Image::Data::operator=(const Data &other)
  32 {
  33         delete[] data;
  34         data = 0;
  35
  36         fmt = other.fmt;
  37         width = other.width;
  38         height = other.height;
  39         stride = other.stride;
  40
  41         if(other.data)
  42         {
  43                 data = new char[stride*height];
  44                 copy(other.data, other.data+stride*height, data);
  45         }
  46
  47         return *this;
  48 }
  49
  50 Image::Data::~Data()
  51 {
  52         delete[] data;
  53 }
  54
  55
  56 void Image::load_file(const string &fn)
  57 {
  58         RefPtr<ImageLoader> loader = ImageLoader::open_file(fn);
  59         load(*loader);
  60 }
  61
  62 void Image::load_io(IO::Seekable &io)
  63 {
  64         RefPtr<ImageLoader> loader = ImageLoader::open_io(io);
  65         load(*loader);
  66 }
  67
  68 void Image::load(ImageLoader &loader)
  69 {
  70         loader.load(data);
  71 }
  72
  73 } // namespace Graphics
  74 } // namespace Msp