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- Update Pango to 1.45.4. - Update Poppler to 20.08.0. - Update Rust to 1.45.1. - Update LLVM toolchain to 11.0.0-rc1. - Binaries are being built with GCC 10.2 (was GCC 10.1). MXE Updates: - Update HarfBuzz to 2.7.0.
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,38 @@ | ||
This file is part of MXE. See LICENSE.md for licensing information. | ||
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Contains ad hoc patches for cross building. | ||
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 | ||
From: Randy <randy408@protonmail.com> | ||
Date: Wed, 29 Jul 2020 15:31:50 +0200 | ||
Subject: [PATCH 1/1] Ignore spec violation for tRNS chunks (fixes #118) | ||
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diff --git a/spng/spng.c b/spng/spng.c | ||
index 1111111..2222222 100644 | ||
--- a/spng/spng.c | ||
+++ b/spng/spng.c | ||
@@ -208,6 +208,7 @@ struct spng_ctx | ||
unsigned streaming: 1; | ||
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unsigned encode_only: 1; | ||
+ unsigned strict : 1; | ||
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/* input file contains this chunk */ | ||
struct spng_chunk_bitfield file; | ||
@@ -1884,7 +1885,14 @@ static int read_non_idat_chunks(spng_ctx *ctx) | ||
} | ||
ctx->trns.n_type3_entries = chunk.length; | ||
} | ||
- else return SPNG_ETRNS_COLOR_TYPE; | ||
+ | ||
+ /* The standard explicitly forbids tRNS chunks for grayscale alpha, | ||
+ truecolor alpha images but libpng only emits a warning by default. */ | ||
+ if(ctx->ihdr.color_type == 4 || ctx->ihdr.color_type == 6) | ||
+ { | ||
+ if(ctx->strict) return SPNG_ETRNS_COLOR_TYPE; | ||
+ else continue; | ||
+ } | ||
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ctx->file.trns = 1; | ||
ctx->stored.trns = 1; |
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