/*
* Read an image
*/
int RImage::read(char file[100]) {
if (strstr(file, ".ppm") != NULL) {
type = PPM;
readPPM(file);
} else if (strstr(file, ".pgm") != NULL){
type = PGM;
readPGM(file);
} else if (strstr(file, ".jpeg") != NULL ||
strstr(file, ".jpg") != NULL) {
type = JPEG;
readJPEG(file);
} else if (strstr(file, ".png") != NULL) {
fprintf(stderr, "ERROR: Format not supported as yet.\n");
type = PNG;
readPNG(file);
} else {
fprintf(stderr, "ERROR: Cannot read image %s.\n", file);
exit(1);
}
return 0;
}
GLImageStructure readImage(const std::string& FileName, ImageType type_hint)
{
if (type_hint==itUnknown)
{
type_hint = getImageType(FileName);
}
switch (type_hint)
{
case itJPEG:
return readJPEG(FileName);
case itPNG:
return readPNG(FileName);
case itGIF:
return readGIF(FileName);
case itBitmap:
return readBMP(FileName);
case itPPM:
return readPPM(FileName);
}
//no supported image here
GLImageStructure temp_glis;
temp_glis.setWidth(0);
temp_glis.setHeight(0);
temp_glis.setFormat(0);
temp_glis.setBuffer(NULL);
return temp_glis;
}
void textureLoadWithFilename(const char *filename, GLuint *texturename)
{
unsigned char *image_data;
/* FIXME: test mime instead */
if(strcasestr(filename, ".png") != NULL) {
image_data = readPNG(filename);
} else {
image_data = readJPEG(filename);
}
powerOfTwoScaling(&image_data, &tex_width, &tex_height);
// scale4x(&image_data, tex_width, tex_height);
if(image_data != NULL) {
glBindTexture(GL_TEXTURE_2D, (*texturename));
glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex_width, tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, image_data);
free(image_data);
printf("SUCCESS: loadTextureWithFilename():"
" %s\n", filename);
}
}
int panoJPEGRead(Image * im, fullPath * sfile)
{
if ( readJPEG(im, sfile) == 0) {
return panoMetadataUpdateFromImage(im);
} else
return FALSE;
}
void loadAllImages(const std::string &path)
{
DIR *dirp = opendir(path.c_str());
struct dirent* dp;
std::vector<std::string> fileNames;
while ((dp = readdir(dirp)) != NULL){
if (getExt(dp->d_name) == "jpg") {
fileNames.push_back(std::string(dp->d_name));
}
}
std::sort(fileNames.begin(), fileNames.end());
for(size_t i=0;i<fileNames.size();i++){
unsigned char* rgbdata;
int width,height;
readJPEG(path + fileNames[i], rgbdata, width, height);
write(1,rgbdata,width*height*3);
free(rgbdata);
}
}
