void transform( qiv_image *q, enum Orientation orientation) {
switch (orientation) {
default: return;
case HFLIP: flipH(q); snprintf(infotext, sizeof infotext, "(Flipped horizontally)"); break;
case VFLIP: flipV(q); snprintf(infotext, sizeof infotext, "(Flipped vertically)"); break;
case ROT_180: rot180(q); snprintf(infotext, sizeof infotext, "(Turned upside down)"); break;
case TRANSPOSE: transpose(q); swapWH(q); snprintf(infotext, sizeof infotext, "(Transposed)"); break;
case ROT_90: rot90(q); swapWH(q); snprintf(infotext, sizeof infotext, "(Rotated left)"); break;
case TRANSVERSE: transpose(q); rot180(q); swapWH(q); snprintf(infotext, sizeof infotext, "(Transversed)"); break;
case ROT_270: rot270(q); swapWH(q); snprintf(infotext, sizeof infotext, "(Rotated left)"); break;
}
}
void transposMain(int mat[4][4])
{
rotateCW270(mat);
flipV(mat);
}
bool ResJPEG::init(const std::string& name)
{
rstream f;
path = name;
if(!f.open(name, "jpg"))
{
//log_msg("warning res image tga", std::string("Res/Image/TGA: cannot open file ")+ name.c_str());
return false;
}
struct jpeg_decompress_struct cinfo;
my_error_mgr jerr;
cinfo.err = jpeg_std_error(&jerr.pub);
jerr.pub.error_exit = my_error_exit;
if (setjmp(jerr.setjmp_buffer))
{
jpeg_destroy_decompress(&cinfo);
return false;
}
jpeg_create_decompress(&cinfo);
jpeg_stdio_src(&cinfo, &f);
jpeg_read_header(&cinfo, TRUE);
jpeg_start_decompress(&cinfo);
int stride = cinfo.output_width * cinfo.output_components;
unsigned char** buffer = (*cinfo.mem->alloc_sarray) ((j_common_ptr) &cinfo, JPOOL_IMAGE, stride, 1);
if(createImage(cinfo.output_width, cinfo.output_height, 24) == false)
{
f.close();
return false;
}
unsigned char* pBitmap = (unsigned char*)bitmap;
const int a = 255;
while (cinfo.output_scanline < cinfo.output_height)
{
jpeg_read_scanlines(&cinfo, buffer, 1);
unsigned char* pcomp = *buffer;
// in first implementation we move all bytes manually. if this will work, we will replace with memcpy
for (unsigned int i = 0; i < cinfo.output_width; i++)
{
for(int c = 0; c < 3; c++){
*pBitmap=*pcomp;
pBitmap++;
pcomp++;
}
}
}
jpeg_finish_decompress(&cinfo);
jpeg_destroy_decompress(&cinfo);
dimension = IMAGE_2D;
format = IMAGE_RGB;
flipV();
return true;
}
