Add bclim support

source/bclim.cpp

@@ -0,0 +1,55 @@
+#include <ctrff/bclim.hpp>
+
+namespace ctrff {
+CTRFF_API void BCLIM::Write(std::fstream& f) const {
+  f.write(reinterpret_cast<const char*>(pBuffer.data()), pBuffer.size());
+  f.write((const char*)&pCurrent.Magic, sizeof(pCurrent.Magic));
+  f.write((const char*)&pCurrent.Endianness, sizeof(pCurrent.Endianness));
+  f.write((const char*)&pCurrent.HeaderSize, sizeof(pCurrent.HeaderSize));
+  f.write((const char*)&pCurrent.Version, sizeof(pCurrent.Version));
+  f.write((const char*)&pCurrent.FileSize, sizeof(pCurrent.FileSize));
+  f.write((const char*)&pCurrent.NumSections, sizeof(pCurrent.NumSections));
+  f.write((const char*)&pImag.Magic, sizeof(pImag.Magic));
+  f.write((const char*)&pImag.HeaderSize, sizeof(pImag.HeaderSize));
+  f.write((const char*)&pImag.Width, sizeof(pImag.Width));
+  f.write((const char*)&pImag.Height, sizeof(pImag.Height));
+  f.write((const char*)&pImag.Format, sizeof(pImag.Format));
+  f.write((const char*)&pImag.ImageSize, sizeof(pImag.ImageSize));
+}
+
+CTRFF_API void BCLIM::Read(std::fstream& f) {
+  f.seekg(std::ios::end);
+  size_t size = f.tellg();
+  if (size < (sizeof(Header) + sizeof(ImagHeader))) {
+    throw std::runtime_error("Invalid File!");
+  }
+  f.seekg(size - sizeof(Header) - sizeof(ImagHeader));
+  Header h;
+  ImagHeader imag;
+  f.read(reinterpret_cast<char*>(&h), sizeof(h));
+  f.read(reinterpret_cast<char*>(&imag), sizeof(imag));
+  if (h.Magic != 0x4d494c43) {
+    throw std::runtime_error("[ctrff] BCLIM: Not a bclim file!");
+  }
+  if (imag.Magic != 0x67616d69) {
+    throw std::runtime_error("[ctrff] BCLIM: Invalid Data");
+  }
+}
+
+CTRFF_API void BCLIM::CreateByImage(const std::vector<u8>& data, int w, int h,
+                                    Format fmt) {
+  CreateMode = true;
+  pImag = ImagHeader::Default();
+  pCurrent = Header::Default();
+  pImag.Format = fmt;
+  pImag.Width = w;
+  pImag.Height = h;
+  pImag.ImageSize = data.size();
+  pBuffer.resize(data.size());
+  for (int i = 0; i < data.size(); i++) {
+    pBuffer[i] = data[i];
+  }
+  pCurrent.FileSize = pBuffer.size() + pCurrent.HeaderSize + pImag.HeaderSize;
+  pCurrent.NumSections = 1;
+}
+}  // namespace ctrff