1 files changed, 210 insertions, 0 deletions
diff --git a/thirdparty/thekla_atlas/nvimage/Image.cpp b/thirdparty/thekla_atlas/nvimage/Image.cpp
new file mode 100644
index 0000000000..8c0cbcf4e3
--- /dev/null
+++ b/thirdparty/thekla_atlas/nvimage/Image.cpp
@@ -0,0 +1,210 @@
+// This code is in the public domain -- castanyo@yahoo.es
+
+#include "Image.h"
+//#include "ImageIO.h"
+
+#include "nvmath/Color.h"
+
+#include "nvcore/Debug.h"
+#include "nvcore/Ptr.h"
+#include "nvcore/Utils.h" // swap
+#include "nvcore/Memory.h" // realloc, free
+
+#include <string.h> // memcpy
+
+
+using namespace nv;
+
+Image::Image() : m_width(0), m_height(0), m_format(Format_RGB), m_data(NULL)
+{
+}
+
+Image::Image(const Image & img) : m_data(NULL)
+{
+	allocate(img.m_width, img.m_height, img.m_depth);
+    m_format = img.m_format;
+    memcpy(m_data, img.m_data, sizeof(Color32) * m_width * m_height * m_depth);
+}
+
+Image::~Image()
+{
+    free();
+}
+
+const Image & Image::operator=(const Image & img)
+{
+    allocate(img.m_width, img.m_height, m_depth);
+    m_format = img.m_format;
+    memcpy(m_data, img.m_data, sizeof(Color32) * m_width * m_height * m_depth);
+    return *this;
+}
+
+
+void Image::allocate(uint w, uint h, uint d/*= 1*/)
+{
+    m_width = w;
+    m_height = h;
+	m_depth = d;
+    m_data = realloc<Color32>(m_data, w * h * d);
+}
+
+void Image::acquire(Color32 * data, uint w, uint h, uint d/*= 1*/)
+{
+    free();
+    m_width = w;
+    m_height = h;
+    m_depth = d;
+    m_data = data;
+}
+
+void Image::resize(uint w, uint h, uint d/*= 1*/) {
+
+    Image img;
+    img.allocate(w, h, d);
+
+    Color32 background(0,0,0,0);
+
+    // Copy image.
+    uint x, y, z;
+    for(z = 0; z < min(d, m_depth); z++) {
+        for(y = 0; y < min(h, m_height); y++) {
+            for(x = 0; x < min(w, m_width); x++) {
+                img.pixel(x, y, z) = pixel(x, y, z);
+            }
+            for(; x < w; x++) {
+                img.pixel(x, y, z) = background;
+            }
+        }
+        for(; y < h; y++) {
+            for(x = 0; x < w; x++) {
+                img.pixel(x, y, z) = background;
+            }
+        }
+    }
+    for(; z < d; z++) {
+        for(y = 0; y < h; y++) {
+            for(x = 0; x < w; x++) {
+                img.pixel(x, y, z) = background;
+            }
+        }
+    }
+
+    swap(m_width, img.m_width);
+    swap(m_height, img.m_height);
+	swap(m_depth, img.m_depth);
+    swap(m_format, img.m_format);
+    swap(m_data, img.m_data);
+}
+
+/*bool Image::load(const char * name)
+{
+    free();
+
+    AutoPtr<Image> img(ImageIO::load(name));
+    if (img == NULL) {
+        return false;
+    }
+
+    swap(m_width, img->m_width);
+    swap(m_height, img->m_height);
+	swap(m_depth, img->m_depth);
+    swap(m_format, img->m_format);
+    swap(m_data, img->m_data);
+
+    return true;
+}*/
+
+void Image::wrap(void * data, uint w, uint h, uint d)
+{
+    free();
+    m_data = (Color32 *)data;
+    m_width = w;
+    m_height = h;
+	m_depth = d;
+}
+
+void Image::unwrap()
+{
+    m_data = NULL;
+    m_width = 0;
+    m_height = 0;
+	m_depth = 0;
+}
+
+
+void Image::free()
+{
+    ::free(m_data);
+    m_data = NULL;
+}
+
+
+uint Image::width() const
+{
+    return m_width;
+}
+
+uint Image::height() const
+{
+    return m_height;
+}
+
+uint Image::depth() const
+{
+	return m_depth;
+}
+
+const Color32 * Image::scanline(uint h) const
+{
+    nvDebugCheck(h < m_height);
+    return m_data + h * m_width;
+}
+
+Color32 * Image::scanline(uint h)
+{
+    nvDebugCheck(h < m_height);
+    return m_data + h * m_width;
+}
+
+const Color32 * Image::pixels() const
+{
+    return m_data;
+}
+
+Color32 * Image::pixels()
+{
+    return m_data;
+}
+
+const Color32 & Image::pixel(uint idx) const
+{
+    nvDebugCheck(idx < m_width * m_height * m_depth);
+    return m_data[idx];
+}
+
+Color32 & Image::pixel(uint idx)
+{
+    nvDebugCheck(idx < m_width * m_height * m_depth);
+    return m_data[idx];
+}
+
+
+Image::Format Image::format() const
+{
+    return m_format;
+}
+
+void Image::setFormat(Image::Format f)
+{
+    m_format = f;
+}
+
+void Image::fill(Color32 c)
+{
+    const uint size = m_width * m_height * m_depth;
+    for (uint i = 0; i < size; ++i)
+    {
+        m_data[i] = c;
+    }
+}
+