diff options
Diffstat (limited to 'Libraries/LibGfx/PNGLoader.cpp')
| -rw-r--r-- | Libraries/LibGfx/PNGLoader.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Libraries/LibGfx/PNGLoader.cpp b/Libraries/LibGfx/PNGLoader.cpp index aa66a20df2..d8a93f12fc 100644 --- a/Libraries/LibGfx/PNGLoader.cpp +++ b/Libraries/LibGfx/PNGLoader.cpp @@ -847,22 +847,32 @@ static bool process_IHDR(const ByteBuffer& data, PNGLoadingContext& context) switch (context.color_type) { case 0: // Each pixel is a grayscale sample. + if (context.bit_depth != 1 && context.bit_depth != 2 && context.bit_depth != 4 && context.bit_depth != 8 && context.bit_depth != 16) + return false; context.channels = 1; break; case 4: // Each pixel is a grayscale sample, followed by an alpha sample. + if (context.bit_depth != 8 && context.bit_depth != 16) + return false; context.channels = 2; break; case 2: // Each pixel is an RGB sample + if (context.bit_depth != 8 && context.bit_depth != 16) + return false; context.channels = 3; break; case 3: // Each pixel is a palette index; a PLTE chunk must appear. + if (context.bit_depth != 1 && context.bit_depth != 2 && context.bit_depth != 4 && context.bit_depth != 8) + return false; context.channels = 1; break; case 6: // Each pixel is an RGB sample, followed by an alpha sample. + if (context.bit_depth != 8 && context.bit_depth != 16) + return false; context.channels = 4; break; default: - ASSERT_NOT_REACHED(); + return false; } return true; } |