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Add minor checks of .ase header

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This commit is contained in:
David Capello 2020-08-03 17:33:15 -03:00
parent 1470108fff
commit 7355d0e2db
1 changed files with 17 additions and 1 deletions
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18
src/dio/aseprite_decoder.cpp
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@ -1,5 +1,5 @@
// Aseprite Document IO Library
// Copyright (c) 2018-2019 Igara Studio S.A.
// Copyright (c) 2018-2020 Igara Studio S.A.
// Copyright (c) 2001-2018 David Capello
//
// This file is released under the terms of the MIT license.
@ -39,6 +39,22 @@ bool AsepriteDecoder::decode()
return false;
}
if (header.depth != 32 &&
header.depth != 16 &&
header.depth != 8) {
delegate()->error(
fmt::format("Invalid color depth {0}",
header.depth));
return false;
}
if (header.width < 1 || header.height < 1) {
delegate()->error(
fmt::format("Invalid sprite size {0}x{1}",
header.width, header.height));
return false;
}
// Create the new sprite
std::unique_ptr<doc::Sprite> sprite(
new doc::Sprite(doc::ImageSpec(header.depth == 32 ? doc::ColorMode::RGB: