srgb textures, cubemap support

[demo] / src / image.cc

diff --git a/src/image.cc b/src/image.cc
new file mode 100644 (file)
index 0000000..2bfdbd8
--- /dev/null
+++ b/src/image.cc
@@ -0,0 +1,82 @@
+#include <string.h>
+
+#include "imago2.h"
+#include "image.h"
+
+Image::Image()
+{
+       w = h = 0;
+       pixels = 0;
+}
+
+Image::~Image()
+{
+       delete [] pixels;
+}
+
+Image::Image(const Image &image)
+{
+       w = image.w;
+       h = image.h;
+
+       pixels = new unsigned char[w * h * 4];
+       memcpy(pixels, image.pixels, w * h * 4);
+}
+
+Image &Image::operator =(const Image &image)
+{
+       if(&image == this)
+               return *this;
+
+       delete [] pixels;
+
+       w = image.w;
+       h = image.h;
+
+       pixels = new unsigned char[w * h * 4];
+       memcpy(pixels, image.pixels, w * h * 4);
+
+       return *this;
+}
+
+Image::Image(Image &&image)
+{
+       w = image.w;
+       h = image.h;
+
+       pixels = image.pixels;
+       image.pixels = 0;
+}
+
+Image &Image::operator =(Image &&image)
+{
+       if(&image == this)
+               return *this;
+
+       delete [] pixels;
+
+       w = image.w;
+       h = image.h;
+
+       pixels = image.pixels;
+       image.pixels = 0;
+
+       return *this;
+}
+
+bool Image::load(const char *fname)
+{
+       unsigned char *imago_pixels;
+       if(!(imago_pixels = (unsigned char *)img_load_pixels(fname, &w, &h))) {
+               fprintf(stderr, "Failed to load pixels from file: %s.\n", fname);
+               return false;
+       }
+
+       delete [] pixels;
+       pixels = new unsigned char[w * h * 4];
+       memcpy(pixels, imago_pixels, w * h * 4);
+
+       img_free_pixels(imago_pixels);
+
+       return true;
+}
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