AAPT2: Add option to disable PNG crunching
When compiling, a developer may want to disable PNG crunching
for a specific set of PNGs.
Bug: 37729284
Test: manual
Change-Id: I134f208f8bb212df07a4eef65b467985a6443375
diff --git a/tools/aapt2/Main.cpp b/tools/aapt2/Main.cpp
index 01930d0..e45d142 100644
--- a/tools/aapt2/Main.cpp
+++ b/tools/aapt2/Main.cpp
@@ -27,7 +27,7 @@
static const char* sMajorVersion = "2";
// Update minor version whenever a feature or flag is added.
-static const char* sMinorVersion = "14";
+static const char* sMinorVersion = "15";
int PrintVersion() {
std::cerr << "Android Asset Packaging Tool (aapt) " << sMajorVersion << "."
diff --git a/tools/aapt2/cmd/Compile.cpp b/tools/aapt2/cmd/Compile.cpp
index 5413b33..c192d69 100644
--- a/tools/aapt2/cmd/Compile.cpp
+++ b/tools/aapt2/cmd/Compile.cpp
@@ -114,6 +114,7 @@
std::string output_path;
Maybe<std::string> res_dir;
bool pseudolocalize = false;
+ bool no_png_crunch = false;
bool legacy_mode = false;
bool verbose = false;
};
@@ -663,6 +664,7 @@
"Generate resources for pseudo-locales "
"(en-XA and ar-XB)",
&options.pseudolocalize)
+ .OptionalSwitch("--no-crunch", "Disables PNG processing", &options.no_png_crunch)
.OptionalSwitch("--legacy", "Treat errors that used to be valid in AAPT as warnings",
&options.legacy_mode)
.OptionalSwitch("-v", "Enables verbose logging", &verbose);
@@ -738,7 +740,8 @@
if (!CompileXml(&context, options, path_data, archive_writer.get(), output_filename)) {
error = true;
}
- } else if (path_data.extension == "png" || path_data.extension == "9.png") {
+ } else if (!options.no_png_crunch &&
+ (path_data.extension == "png" || path_data.extension == "9.png")) {
if (!CompilePng(&context, options, path_data, archive_writer.get(), output_filename)) {
error = true;
}
diff --git a/tools/aapt2/readme.md b/tools/aapt2/readme.md
index 0291720..e92565f 100644
--- a/tools/aapt2/readme.md
+++ b/tools/aapt2/readme.md
@@ -1,5 +1,13 @@
# Android Asset Packaging Tool 2.0 (AAPT2) release notes
+## Version 2.15
+### `aapt2 compile ...`
+- Add `--no-crunch` option to avoid processing PNGs during the compile phase. Note that this
+ shouldn't be used as a performance optimization, as once the PNG is processed, its result is
+ cached for incremental linking. This should only be used if the developer has specially
+ pre-processed the PNG and wants it byte-for-byte identical to the input.
+ NOTE: 9-patches will not be processed correctly with this flag set.
+
## Version 2.14
### `aapt2 link ...`
- If an app is building with a minSdkVersion < 26 and a --package-id XX where XX > 7F, aapt2