diff options
Diffstat (limited to 'src/3rdparty/libpng/pngread.c')
| -rw-r--r-- | src/3rdparty/libpng/pngread.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/src/3rdparty/libpng/pngread.c b/src/3rdparty/libpng/pngread.c index 6764dbe561..48aae84881 100644 --- a/src/3rdparty/libpng/pngread.c +++ b/src/3rdparty/libpng/pngread.c @@ -63,7 +63,7 @@ png_create_read_struct_2,(png_const_charp user_png_ver, png_voidp error_ptr, /* In stable builds only warn if an application error can be completely * handled. */ -# if PNG_LIBPNG_BUILD_BASE_TYPE >= PNG_LIBPNG_BUILD_RC +# if PNG_RELEASE_BUILD png_ptr->flags |= PNG_FLAG_APP_WARNINGS_WARN; # endif # endif @@ -1043,9 +1043,9 @@ png_read_png(png_structrp png_ptr, png_inforp info_ptr, /* Tell libpng to strip 16-bit/color files down to 8 bits per color. */ if ((transforms & PNG_TRANSFORM_SCALE_16) != 0) - /* Added at libpng-1.5.4. "strip_16" produces the same result that it - * did in earlier versions, while "scale_16" is now more accurate. - */ + /* Added at libpng-1.5.4. "strip_16" produces the same result that it + * did in earlier versions, while "scale_16" is now more accurate. + */ #ifdef PNG_READ_SCALE_16_TO_8_SUPPORTED png_set_scale_16(png_ptr); #else @@ -1209,7 +1209,7 @@ png_read_png(png_structrp png_ptr, png_inforp info_ptr, for (iptr = 0; iptr < info_ptr->height; iptr++) info_ptr->row_pointers[iptr] = png_voidcast(png_bytep, - png_malloc(png_ptr, info_ptr->rowbytes)); + png_malloc(png_ptr, info_ptr->rowbytes)); } png_read_image(png_ptr, info_ptr->row_pointers); @@ -1683,10 +1683,11 @@ decode_gamma(png_image_read_control *display, png_uint_32 value, int encoding) value *= 257; break; +#ifdef __GNUC__ default: png_error(display->image->opaque->png_ptr, "unexpected encoding (internal error)"); - break; +#endif } return value; @@ -2847,10 +2848,6 @@ png_image_read_colormap(png_voidp argument) switch (data_encoding) { - default: - png_error(png_ptr, "bad data option (internal error)"); - break; - case P_sRGB: /* Change to 8-bit sRGB */ png_set_alpha_mode_fixed(png_ptr, PNG_ALPHA_PNG, PNG_GAMMA_sRGB); @@ -2860,6 +2857,11 @@ png_image_read_colormap(png_voidp argument) if (png_ptr->bit_depth > 8) png_set_scale_16(png_ptr); break; + +#ifdef __GNUC__ + default: + png_error(png_ptr, "bad data option (internal error)"); +#endif } if (cmap_entries > 256 || cmap_entries > image->colormap_entries) @@ -3410,10 +3412,6 @@ png_image_read_background(png_voidp argument) */ switch (info_ptr->bit_depth) { - default: - png_error(png_ptr, "unexpected bit depth"); - break; - case 8: /* 8-bit sRGB gray values with an alpha channel; the alpha channel is * to be removed by composing on a background: either the row if @@ -3631,6 +3629,11 @@ png_image_read_background(png_voidp argument) } } break; + +#ifdef __GNUC__ + default: + png_error(png_ptr, "unexpected bit depth"); +#endif } return 1; |