232 static void    petsc_jpeg_error_longjmp(j_common_ptr cinfo)  in petsc_jpeg_error_longjmp()  argument
234   (void)cinfo;  in petsc_jpeg_error_longjmp()
243   struct jpeg_compress_struct cinfo;  in PetscDrawImageSaveJPG()  local
266   cinfo.err = jpeg_std_error(&jerr);  in PetscDrawImageSaveJPG()
271     jerr.format_message((j_common_ptr)&cinfo, message);  in PetscDrawImageSaveJPG()
272     jpeg_destroy_compress(&cinfo);  in PetscDrawImageSaveJPG()
277   jpeg_create_compress(&cinfo);  in PetscDrawImageSaveJPG()
278   jpeg_stdio_dest(&cinfo, fp);  in PetscDrawImageSaveJPG()
279   cinfo.image_width      = w;  in PetscDrawImageSaveJPG()
280   cinfo.image_height     = h;  in PetscDrawImageSaveJPG()
281   cinfo.input_components = 3;  in PetscDrawImageSaveJPG()
282   cinfo.in_color_space   = JCS_RGB;  in PetscDrawImageSaveJPG()
283   jpeg_set_defaults(&cinfo);  in PetscDrawImageSaveJPG()
284   jpeg_start_compress(&cinfo, TRUE);  in PetscDrawImageSaveJPG()
285   while (cinfo.next_scanline < cinfo.image_height) {  in PetscDrawImageSaveJPG()
286     unsigned char *rowptr = rgbpixels + cinfo.next_scanline * 3 * w;  in PetscDrawImageSaveJPG()
287     (void)jpeg_write_scanlines(&cinfo, &rowptr, 1);  in PetscDrawImageSaveJPG()
289   jpeg_finish_compress(&cinfo);  in PetscDrawImageSaveJPG()
290   jpeg_destroy_compress(&cinfo);  in PetscDrawImageSaveJPG()