am 7d292145: Merge "Prune unneeded density resources from APK" into klp-dev (16e8c4f7) · Commits · e / os / android_frameworks_base

tools/aapt/AaptAssets.cpp

+38 −1

Original line number	Diff line number	Diff line
		@@ -2487,6 +2487,15 @@ status_t AaptAssets::filter(Bundle* bundle)
		continue;
		}

		// Get the preferred density if there is one. We do not match exactly for density.
		// If our preferred density is hdpi but we only have mdpi and xhdpi resources, we
		// pick xhdpi.
		uint32_t preferredDensity = 0;
		const SortedVector<uint32_t>* preferredConfigs = prefFilter.configsForAxis(AXIS_DENSITY);
		if (preferredConfigs != NULL && preferredConfigs->size() > 0) {
		preferredDensity = (*preferredConfigs)[0];
		}

		// Now deal with preferred configurations.
		for (int axis=AXIS_START; axis<=AXIS_END; axis++) {
		for (size_t k=0; k<grp->getFiles().size(); k++) {
		@@ -2512,12 +2521,30 @@ status_t AaptAssets::filter(Bundle* bundle)
		// This is a resource we would prefer not to have. Check
		// to see if have a similar variation that we would like
		// to have and, if so, we can drop it.

		uint32_t bestDensity = config.density;

		for (size_t m=0; m<grp->getFiles().size(); m++) {
		if (m == k) continue;
		sp<AaptFile> mfile = grp->getFiles().valueAt(m);
		const ResTable_config& mconfig(mfile->getGroupEntry().toParams());
		if (AaptGroupEntry::configSameExcept(config, mconfig, axis)) {
		if (prefFilter.match(axis, mconfig)) {
		if (axis == AXIS_DENSITY && preferredDensity > 0) {
		// See if there is a better density resource
		if (mconfig.density < bestDensity &&
		mconfig.density > preferredDensity &&
		bestDensity > preferredDensity) {
		// This density is between our best density and
		// the preferred density, therefore it is better.
		bestDensity = mconfig.density;
		} else if (mconfig.density > bestDensity &&
		bestDensity < preferredDensity) {
		// This density is better than our best density and
		// our best density was smaller than our preferred
		// density, so it is better.
		bestDensity = mconfig.density;
		}
		} else if (prefFilter.match(axis, mconfig)) {
		if (bundle->getVerbose()) {
		printf("Pruning unneeded resource: %s\n",
		file->getPrintableSource().string());
		@@ -2528,6 +2555,16 @@ status_t AaptAssets::filter(Bundle* bundle)
		}
		}
		}

		if (axis == AXIS_DENSITY && preferredDensity > 0 &&
		bestDensity != config.density) {
		if (bundle->getVerbose()) {
		printf("Pruning unneeded resource: %s\n",
		file->getPrintableSource().string());
		}
		grp->removeFile(k);
		k--;
		}
		}
		}
		}