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(-)digikam-0.9.6.old/digikam/kioslave/digikamthumbnail.cpp (-2 / +2 lines)
Lines 370-376 Link Here
370 
    unsigned char buf[PNG_BYTES_TO_CHECK];
 370 
    unsigned char buf[PNG_BYTES_TO_CHECK];
371 
    fread(buf, 1, PNG_BYTES_TO_CHECK, f);
 371 
    fread(buf, 1, PNG_BYTES_TO_CHECK, f);
372 
    if (!png_check_sig(buf, PNG_BYTES_TO_CHECK))
 372 
    if (png_sig_cmp(buf, 0, PNG_BYTES_TO_CHECK))
373 
    {
 373 
    {
374 
        fclose(f);
 374 
        fclose(f);
375 
        return qimage;
 375 
        return qimage;
Lines 465-471 Link Here
465 
    {
 465 
    {
466 
        png_set_gray_to_rgb(png_ptr);
 466 
        png_set_gray_to_rgb(png_ptr);
467 
        if (png_get_bit_depth(png_ptr, info_ptr) < 8)
 467 
        if (png_get_bit_depth(png_ptr, info_ptr) < 8)
468 
            png_set_gray_1_2_4_to_8(png_ptr);
 468 
            png_set_expand_gray_1_2_4_to_8(png_ptr);
469 
    }
 469 
    }
470 
    int sizeOfUint = sizeof(unsigned int);
 470 
    int sizeOfUint = sizeof(unsigned int);
(-)digikam-0.9.6.old/digikam/libs/dimg/loaders/pngloader.cpp (-2 / +2 lines)
Lines 88-94 Link Here
88 
    unsigned char buf[PNG_BYTES_TO_CHECK];
 88 
    unsigned char buf[PNG_BYTES_TO_CHECK];
89 
    fread(buf, 1, PNG_BYTES_TO_CHECK, f);
 89 
    fread(buf, 1, PNG_BYTES_TO_CHECK, f);
90 
    if (!png_check_sig(buf, PNG_BYTES_TO_CHECK))
 90 
    if (png_sig_cmp(buf, 0, PNG_BYTES_TO_CHECK))
91 
    {
 91 
    {
92 
        DDebug() << k_funcinfo << "Not a PNG image file." << endl;
 92 
        DDebug() << k_funcinfo << "Not a PNG image file." << endl;
93 
        fclose(f);
 93 
        fclose(f);
Lines 252-258 Link Here
252 
#ifdef ENABLE_DEBUG_MESSAGES
 252 
#ifdef ENABLE_DEBUG_MESSAGES
253 
                DDebug() << "PNG in PNG_COLOR_TYPE_GRAY" << endl;
 253 
                DDebug() << "PNG in PNG_COLOR_TYPE_GRAY" << endl;
254 
#endif
 254 
#endif
255 
                png_set_gray_1_2_4_to_8(png_ptr);
 255 
                png_set_expand_gray_1_2_4_to_8(png_ptr);
256 
                png_set_gray_to_rgb(png_ptr);
 256 
                png_set_gray_to_rgb(png_ptr);
257 
                if (QImage::systemByteOrder() == QImage::LittleEndian)       // Intel
 257 
                if (QImage::systemByteOrder() == QImage::LittleEndian)       // Intel
(-)digikam-0.9.6.old/digikam/libs/greycstoration/CImg.h (-1 / +1 lines)
Lines 29449-29455 Link Here
29449 
        new_bit_depth = 8;
 29449 
        new_bit_depth = 8;
29450 
      }
 29450 
      }
29451 
      if (new_color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8){
 29451 
      if (new_color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8){
29452 
        png_set_gray_1_2_4_to_8(png_ptr);
 29452 
        png_set_expand_gray_1_2_4_to_8(png_ptr);
29453 
        new_bit_depth = 8;
 29453 
        new_bit_depth = 8;
29454 
      }
 29454 
      }
29455 
      if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
 29455 
      if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))

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