/**
* writeImage; Writes the stored image to the given file name.
*/
bool Image::writeImage(const char * filename) {
FILE* file;
errno_t file_result = fopen_s(&file, filename, "wb");
if (!file) {
printf("Dump file problem... file\n");
return false;
}
fprintf(file, "P6\n%i %i\n255\n", _width, _height);
std::vector<unsigned char> imageC(_image.size());
for (unsigned int i = 0; i<_image.size(); ++i)
imageC[i] = (unsigned char)(_image[i] * 255.0f);
int t = fwrite(&(imageC[0]), _width * _height * 3, 1, file);
if (t != 1) {
printf("Dump file problem... fwrite\n");
return false;
}
std::cout << "Image succesfully written to: " << filename << std::endl;
fclose(file);
return true;
}
/**
* readImage; Reads the image from the given file name.
*/
bool Image::readImage(const char * filename) {
FILE* file;
errno_t file_result = fopen_s(&file, filename, "rb");
if (!file) {
printf("ERROR: No file called %s!\n", filename);
return false;
}
int width, height;
fscanf_s(file, "%*s\n");
char buf[256];
while (fgets(buf, 256, file) && buf[0] == '#') {
printf(buf);
}
sscanf_s(buf, "%i %i\n", &width, &height);
fscanf_s(file, "255\n");
this->_width = width;
this->_height = height;
std::vector<unsigned char> imageC(width * height * 3);
int t = fread(&(imageC[0]), width * height * 3, 1, file);
for (size_t i = 0; i < imageC.size(); i++) {
_image.push_back((float)imageC[i] / 255.0f);
}
printf("Loaded texture %s\n", filename);
return true;
}
bool Image::writeImage(const char * filename)
{
FILE* file;
file = fopen(filename, "wb");
if (!file)
{
printf("dump file problem... file\n");
return false;
}
fprintf(file, "P6\n%i %i\n255\n",_width, _height);
std::vector<unsigned char> imageC(_image.size());
for (unsigned int i=0; i<_image.size();++i)
imageC[i]=(unsigned char)(_image[i]*255.0f);
int t = fwrite(&(imageC[0]), _width * _height * 3, 1, file);
if (t!=1)
{
printf("Dump file problem... fwrite\n");
return false;
}
fclose(file);
return true;
}
