Move some image/9patch code to androidfw (32154d2c) · Commits · e / os / android_frameworks_base

libs/androidfw/Android.bp

+12 −1

Original line number	Diff line number	Diff line
		@@ -63,15 +63,21 @@ cc_library {
		"AssetsProvider.cpp",
		"AttributeResolution.cpp",
		"BigBuffer.cpp",
		"BigBufferStream.cpp",
		"ChunkIterator.cpp",
		"ConfigDescription.cpp",
		"FileStream.cpp",
		"Idmap.cpp",
		"LoadedArsc.cpp",
		"Locale.cpp",
		"LocaleData.cpp",
		"misc.cpp",
		"NinePatch.cpp",
		"ObbFile.cpp",
		"PosixUtils.cpp",
		"Png.cpp",
		"PngChunkFilter.cpp",
		"PngCrunch.cpp",
		"ResourceTimer.cpp",
		"ResourceTypes.cpp",
		"ResourceUtils.cpp",
		@@ -84,7 +90,10 @@ cc_library {
		],
		export_include_dirs: ["include"],
		export_shared_lib_headers: ["libz"],
		static_libs: ["libincfs-utils"],
		static_libs: [
		"libincfs-utils",
		"libpng",
		],
		whole_static_libs: [
		"libandroidfw_pathutils",
		"libincfs-utils",
		@@ -198,9 +207,11 @@ cc_test {
		"tests/ConfigDescription_test.cpp",
		"tests/ConfigLocale_test.cpp",
		"tests/DynamicRefTable_test.cpp",
		"tests/FileStream_test.cpp",
		"tests/Idmap_test.cpp",
		"tests/LoadedArsc_test.cpp",
		"tests/Locale_test.cpp",
		"tests/NinePatch_test.cpp",
		"tests/ResourceTimer_test.cpp",
		"tests/ResourceUtils_test.cpp",
		"tests/ResTable_test.cpp",

tools/aapt2/io/BigBufferStream.cpp→libs/androidfw/BigBufferStream.cpp

+33 −5

Original line number	Diff line number	Diff line
		@@ -14,10 +14,11 @@
		* limitations under the License.
		*/

		#include "io/BigBufferStream.h"
		#include "androidfw/BigBufferStream.h"

		namespace aapt {
		namespace io {
		#include <algorithm>

		namespace android {

		//
		// BigBufferInputStream
		@@ -76,6 +77,34 @@ size_t BigBufferInputStream::TotalSize() const {
		return buffer_->size();
		}

		bool BigBufferInputStream::ReadFullyAtOffset(void* data, size_t byte_count, off64_t offset) {
		if (byte_count == 0) {
		return true;
		}
		if (offset < 0) {
		return false;
		}
		if (offset > std::numeric_limits<off64_t>::max() - byte_count) {
		return false;
		}
		if (offset + byte_count > buffer_->size()) {
		return false;
		}
		auto p = reinterpret_cast<uint8_t*>(data);
		for (auto iter = buffer_->begin(); iter != buffer_->end() && byte_count > 0; ++iter) {
		if (offset < iter->size) {
		size_t to_read = std::min(byte_count, (size_t)(iter->size - offset));
		memcpy(p, iter->buffer.get() + offset, to_read);
		byte_count -= to_read;
		p += to_read;
		offset = 0;
		} else {
		offset -= iter->size;
		}
		}
		return byte_count == 0;
		}

		//
		// BigBufferOutputStream
		//
		@@ -97,5 +126,4 @@ bool BigBufferOutputStream::HadError() const {
		return false;
		}

		} // namespace io
		} // namespace aapt
		} // namespace android

tools/aapt2/io/FileStream.cpp→libs/androidfw/FileStream.cpp

+7 −5

Original line number	Diff line number	Diff line
		@@ -14,7 +14,7 @@
		* limitations under the License.
		*/

		#include "io/FileStream.h"
		#include "androidfw/FileStream.h"

		#include <errno.h> // for errno
		#include <fcntl.h> // for O_RDONLY
		@@ -34,8 +34,7 @@
		using ::android::base::SystemErrorCodeToString;
		using ::android::base::unique_fd;

		namespace aapt {
		namespace io {
		namespace android {

		FileInputStream::FileInputStream(const std::string& path, size_t buffer_capacity)
		: buffer_capacity_(buffer_capacity) {
		@@ -108,6 +107,10 @@ std::string FileInputStream::GetError() const {
		return error_;
		}

		bool FileInputStream::ReadFullyAtOffset(void* data, size_t byte_count, off64_t offset) {
		return base::ReadFullyAtOffset(fd_, data, byte_count, offset);
		}

		FileOutputStream::FileOutputStream(const std::string& path, size_t buffer_capacity)
		: buffer_capacity_(buffer_capacity) {
		int mode = O_WRONLY \| O_CREAT \| O_TRUNC \| O_CLOEXEC \| O_BINARY;
		@@ -199,5 +202,4 @@ std::string FileOutputStream::GetError() const {
		return error_;
		}

		} // namespace io
		} // namespace aapt
		} // namespace android

tools/aapt2/compile/NinePatch.cpp→libs/androidfw/NinePatch.cpp

+84 −100

Original line number	Diff line number	Diff line
		@@ -14,20 +14,17 @@
		* limitations under the License.
		*/

		#include "compile/Image.h"

		#include <sstream>
		#include <string>
		#include <vector>

		#include "androidfw/Image.h"
		#include "androidfw/ResourceTypes.h"
		#include "androidfw/StringPiece.h"

		#include "util/Util.h"

		using android::StringPiece;

		namespace aapt {
		namespace android {

		// Colors in the format 0xAARRGGBB (the way 9-patch expects it).
		constexpr static const uint32_t kColorOpaqueWhite = 0xffffffffu;
		@@ -90,10 +87,8 @@ class ColorValidator {
		// };
		//
		template <typename ImageLine>
		static bool FillRanges(const ImageLine* image_line,
		const ColorValidator* color_validator,
		std::vector<Range>* primary_ranges,
		std::vector<Range>* secondary_ranges,
		static bool FillRanges(const ImageLine* image_line, const ColorValidator* color_validator,
		std::vector<Range>* primary_ranges, std::vector<Range>* secondary_ranges,
		std::string* out_err) {
		const int32_t length = image_line->GetLength();

		@@ -133,11 +128,13 @@ static bool FillRanges(const ImageLine* image_line,
		*/
		class HorizontalImageLine {
		public:
		explicit HorizontalImageLine(uint8_t** rows, int32_t xoffset, int32_t yoffset,
		int32_t length)
		: rows_(rows), xoffset_(xoffset), yoffset_(yoffset), length_(length) {}
		explicit HorizontalImageLine(uint8_t** rows, int32_t xoffset, int32_t yoffset, int32_t length)
		: rows_(rows), xoffset_(xoffset), yoffset_(yoffset), length_(length) {
		}

		inline int32_t GetLength() const { return length_; }
		inline int32_t GetLength() const {
		return length_;
		}

		inline uint32_t GetColor(int32_t idx) const {
		return NinePatch::PackRGBA(rows_[yoffset_] + (idx + xoffset_) * 4);
		@@ -156,11 +153,13 @@ class HorizontalImageLine {
		*/
		class VerticalImageLine {
		public:
		explicit VerticalImageLine(uint8_t** rows, int32_t xoffset, int32_t yoffset,
		int32_t length)
		: rows_(rows), xoffset_(xoffset), yoffset_(yoffset), length_(length) {}
		explicit VerticalImageLine(uint8_t** rows, int32_t xoffset, int32_t yoffset, int32_t length)
		: rows_(rows), xoffset_(xoffset), yoffset_(yoffset), length_(length) {
		}

		inline int32_t GetLength() const { return length_; }
		inline int32_t GetLength() const {
		return length_;
		}

		inline uint32_t GetColor(int32_t idx) const {
		return NinePatch::PackRGBA(rows_[yoffset_ + idx] + (xoffset_ * 4));
		@@ -175,20 +174,22 @@ class VerticalImageLine {

		class DiagonalImageLine {
		public:
		explicit DiagonalImageLine(uint8_t** rows, int32_t xoffset, int32_t yoffset,
		int32_t xstep, int32_t ystep, int32_t length)
		explicit DiagonalImageLine(uint8_t** rows, int32_t xoffset, int32_t yoffset, int32_t xstep,
		int32_t ystep, int32_t length)
		: rows_(rows),
		xoffset_(xoffset),
		yoffset_(yoffset),
		xstep_(xstep),
		ystep_(ystep),
		length_(length) {}
		length_(length) {
		}

		inline int32_t GetLength() const { return length_; }
		inline int32_t GetLength() const {
		return length_;
		}

		inline uint32_t GetColor(int32_t idx) const {
		return NinePatch::PackRGBA(rows_[yoffset_ + (idx * ystep_)] +
		((idx + xoffset_) * xstep_) * 4);
		return NinePatch::PackRGBA(rows_[yoffset_ + (idx * ystep_)] + ((idx + xoffset_) * xstep_) * 4);
		}

		private:
		@@ -243,8 +244,7 @@ static bool PopulateBounds(const std::vector<Range>& padding,

		if (layout_bounds.size() > 2) {
		std::stringstream err_stream;
		err_stream << "too many layout bounds sections on " << edge_name
		<< " border";
		err_stream << "too many layout bounds sections on " << edge_name << " border";
		*out_err = err_stream.str();
		return false;
		}
		@@ -258,8 +258,7 @@ static bool PopulateBounds(const std::vector<Range>& padding,
		// end at length.
		if (range.start != 0 && range.end != length) {
		std::stringstream err_stream;
		err_stream << "layout bounds on " << edge_name
		<< " border must start at edge";
		err_stream << "layout bounds on " << edge_name << " border must start at edge";
		*out_err = err_stream.str();
		return false;
		}
		@@ -269,8 +268,7 @@ static bool PopulateBounds(const std::vector<Range>& padding,
		const Range& range = layout_bounds.back();
		if (range.end != length) {
		std::stringstream err_stream;
		err_stream << "layout bounds on " << edge_name
		<< " border must start at edge";
		err_stream << "layout bounds on " << edge_name << " border must start at edge";
		*out_err = err_stream.str();
		return false;
		}
		@@ -280,8 +278,7 @@ static bool PopulateBounds(const std::vector<Range>& padding,
		return true;
		}

		static int32_t CalculateSegmentCount(const std::vector<Range>& stretch_regions,
		int32_t length) {
		static int32_t CalculateSegmentCount(const std::vector<Range>& stretch_regions, int32_t length) {
		if (stretch_regions.size() == 0) {
		return 0;
		}
		@@ -299,8 +296,7 @@ static int32_t CalculateSegmentCount(const std::vector<Range>& stretch_regions,

		static uint32_t GetRegionColor(uint8_t** rows, const Bounds& region) {
		// Sample the first pixel to compare against.
		const uint32_t expected_color =
		NinePatch::PackRGBA(rows[region.top] + region.left * 4);
		const uint32_t expected_color = NinePatch::PackRGBA(rows[region.top] + region.left * 4);
		for (int32_t y = region.top; y < region.bottom; y++) {
		const uint8_t* row = rows[y];
		for (int32_t x = region.left; x < region.right; x++) {
		@@ -336,10 +332,11 @@ static uint32_t GetRegionColor(uint8_t** rows, const Bounds& region) {
		// the indices must be offset by 1.
		//
		// width and height also include the 9-patch 1px border.
		static void CalculateRegionColors(
		uint8_t** rows, const std::vector<Range>& horizontal_stretch_regions,
		const std::vector<Range>& vertical_stretch_regions, const int32_t width,
		const int32_t height, std::vector<uint32_t>* out_colors) {
		static void CalculateRegionColors(uint8_t** rows,
		const std::vector<Range>& horizontal_stretch_regions,
		const std::vector<Range>& vertical_stretch_regions,
		const int32_t width, const int32_t height,
		std::vector<uint32_t>* out_colors) {
		int32_t next_top = 0;
		Bounds bounds;
		auto row_iter = vertical_stretch_regions.begin();
		@@ -401,8 +398,7 @@ static void CalculateRegionColors(
		// alpha value begins
		// (on both sides).
		template <typename ImageLine>
		static void FindOutlineInsets(const ImageLine* image_line, int32_t* out_start,
		int32_t* out_end) {
		static void FindOutlineInsets(const ImageLine* image_line, int32_t* out_start, int32_t* out_end) {
		*out_start = 0;
		*out_end = 0;

		@@ -455,10 +451,8 @@ uint32_t NinePatch::PackRGBA(const uint8_t* pixel) {
		return (pixel[3] << 24) \| (pixel[0] << 16) \| (pixel[1] << 8) \| pixel[2];
		}

		std::unique_ptr<NinePatch> NinePatch::Create(uint8_t** rows,
		const int32_t width,
		const int32_t height,
		std::string* out_err) {
		std::unique_ptr<NinePatch> NinePatch::Create(uint8_t** rows, const int32_t width,
		const int32_t height, std::string* out_err) {
		if (width < 3 \|\| height < 3) {
		*out_err = "image must be at least 3x3 (1x1 image with 1 pixel border)";
		return {};
		@@ -472,12 +466,11 @@ std::unique_ptr<NinePatch> NinePatch::Create(uint8_t** rows,
		std::unique_ptr<ColorValidator> color_validator;

		if (rows[0][3] == 0) {
		color_validator = util::make_unique<TransparentNeutralColorValidator>();
		color_validator = std::make_unique<TransparentNeutralColorValidator>();
		} else if (PackRGBA(rows[0]) == kColorOpaqueWhite) {
		color_validator = util::make_unique<WhiteNeutralColorValidator>();
		color_validator = std::make_unique<WhiteNeutralColorValidator>();
		} else {
		*out_err =
		"top-left corner pixel must be either opaque white or transparent";
		*out_err = "top-left corner pixel must be either opaque white or transparent";
		return {};
		}

		@@ -485,9 +478,8 @@ std::unique_ptr<NinePatch> NinePatch::Create(uint8_t** rows,
		auto nine_patch = std::unique_ptr<NinePatch>(new NinePatch());

		HorizontalImageLine top_row(rows, 0, 0, width);
		if (!FillRanges(&top_row, color_validator.get(),
		&nine_patch->horizontal_stretch_regions, &unexpected_ranges,
		out_err)) {
		if (!FillRanges(&top_row, color_validator.get(), &nine_patch->horizontal_stretch_regions,
		&unexpected_ranges, out_err)) {
		return {};
		}

		@@ -501,9 +493,8 @@ std::unique_ptr<NinePatch> NinePatch::Create(uint8_t** rows,
		}

		VerticalImageLine left_col(rows, 0, 0, height);
		if (!FillRanges(&left_col, color_validator.get(),
		&nine_patch->vertical_stretch_regions, &unexpected_ranges,
		out_err)) {
		if (!FillRanges(&left_col, color_validator.get(), &nine_patch->vertical_stretch_regions,
		&unexpected_ranges, out_err)) {
		return {};
		}

		@@ -522,32 +513,28 @@ std::unique_ptr<NinePatch> NinePatch::Create(uint8_t** rows,
		}

		if (!PopulateBounds(horizontal_padding, horizontal_layout_bounds,
		nine_patch->horizontal_stretch_regions, width - 2,
		&nine_patch->padding.left, &nine_patch->padding.right,
		&nine_patch->layout_bounds.left,
		nine_patch->horizontal_stretch_regions, width - 2, &nine_patch->padding.left,
		&nine_patch->padding.right, &nine_patch->layout_bounds.left,
		&nine_patch->layout_bounds.right, "bottom", out_err)) {
		return {};
		}

		VerticalImageLine right_col(rows, width - 1, 0, height);
		if (!FillRanges(&right_col, color_validator.get(), &vertical_padding,
		&vertical_layout_bounds, out_err)) {
		if (!FillRanges(&right_col, color_validator.get(), &vertical_padding, &vertical_layout_bounds,
		out_err)) {
		return {};
		}

		if (!PopulateBounds(vertical_padding, vertical_layout_bounds,
		nine_patch->vertical_stretch_regions, height - 2,
		&nine_patch->padding.top, &nine_patch->padding.bottom,
		&nine_patch->layout_bounds.top,
		nine_patch->vertical_stretch_regions, height - 2, &nine_patch->padding.top,
		&nine_patch->padding.bottom, &nine_patch->layout_bounds.top,
		&nine_patch->layout_bounds.bottom, "right", out_err)) {
		return {};
		}

		// Fill the region colors of the 9-patch.
		const int32_t num_rows =
		CalculateSegmentCount(nine_patch->horizontal_stretch_regions, width - 2);
		const int32_t num_cols =
		CalculateSegmentCount(nine_patch->vertical_stretch_regions, height - 2);
		const int32_t num_rows = CalculateSegmentCount(nine_patch->horizontal_stretch_regions, width - 2);
		const int32_t num_cols = CalculateSegmentCount(nine_patch->vertical_stretch_regions, height - 2);
		if ((int64_t)num_rows * (int64_t)num_cols > 0x7f) {
		*out_err = "too many regions in 9-patch";
		return {};
		@@ -555,40 +542,35 @@ std::unique_ptr<NinePatch> NinePatch::Create(uint8_t** rows,

		nine_patch->region_colors.reserve(num_rows * num_cols);
		CalculateRegionColors(rows, nine_patch->horizontal_stretch_regions,
		nine_patch->vertical_stretch_regions, width - 2,
		height - 2, &nine_patch->region_colors);
		nine_patch->vertical_stretch_regions, width - 2, height - 2,
		&nine_patch->region_colors);

		// Compute the outline based on opacity.

		// Find left and right extent of 9-patch content on center row.
		HorizontalImageLine mid_row(rows, 1, height / 2, width - 2);
		FindOutlineInsets(&mid_row, &nine_patch->outline.left,
		&nine_patch->outline.right);
		FindOutlineInsets(&mid_row, &nine_patch->outline.left, &nine_patch->outline.right);

		// Find top and bottom extent of 9-patch content on center column.
		VerticalImageLine mid_col(rows, width / 2, 1, height - 2);
		FindOutlineInsets(&mid_col, &nine_patch->outline.top,
		&nine_patch->outline.bottom);
		FindOutlineInsets(&mid_col, &nine_patch->outline.top, &nine_patch->outline.bottom);

		const int32_t outline_width =
		(width - 2) - nine_patch->outline.left - nine_patch->outline.right;
		const int32_t outline_width = (width - 2) - nine_patch->outline.left - nine_patch->outline.right;
		const int32_t outline_height =
		(height - 2) - nine_patch->outline.top - nine_patch->outline.bottom;

		// Find the largest alpha value within the outline area.
		HorizontalImageLine outline_mid_row(
		rows, 1 + nine_patch->outline.left,
		1 + nine_patch->outline.top + (outline_height / 2), outline_width);
		VerticalImageLine outline_mid_col(
		rows, 1 + nine_patch->outline.left + (outline_width / 2),
		HorizontalImageLine outline_mid_row(rows, 1 + nine_patch->outline.left,
		1 + nine_patch->outline.top + (outline_height / 2),
		outline_width);
		VerticalImageLine outline_mid_col(rows, 1 + nine_patch->outline.left + (outline_width / 2),
		1 + nine_patch->outline.top, outline_height);
		nine_patch->outline_alpha =
		std::max(FindMaxAlpha(&outline_mid_row), FindMaxAlpha(&outline_mid_col));

		// Assuming the image is a round rect, compute the radius by marching
		// diagonally from the top left corner towards the center.
		DiagonalImageLine diagonal(rows, 1 + nine_patch->outline.left,
		1 + nine_patch->outline.top, 1, 1,
		DiagonalImageLine diagonal(rows, 1 + nine_patch->outline.left, 1 + nine_patch->outline.top, 1, 1,
		std::min(outline_width, outline_height));
		int32_t top_left, bottom_right;
		FindOutlineInsets(&diagonal, &top_left, &bottom_right);
		@@ -614,10 +596,9 @@ std::unique_ptr<uint8_t[]> NinePatch::SerializeBase(size_t* outLen) const {
		data.paddingBottom = padding.bottom;

		auto buffer = std::unique_ptr<uint8_t[]>(new uint8_t[data.serializedSize()]);
		android::Res_png_9patch::serialize(
		data, (const int32_t*)horizontal_stretch_regions.data(),
		(const int32_t*)vertical_stretch_regions.data(), region_colors.data(),
		buffer.get());
		android::Res_png_9patch::serialize(data, (const int32_t*)horizontal_stretch_regions.data(),
		(const int32_t*)vertical_stretch_regions.data(),
		region_colors.data(), buffer.get());
		// Convert to file endianness.
		reinterpret_cast<android::Res_png_9patch*>(buffer.get())->deviceToFile();

		@@ -625,8 +606,7 @@ std::unique_ptr<uint8_t[]> NinePatch::SerializeBase(size_t* outLen) const {
		return buffer;
		}

		std::unique_ptr<uint8_t[]> NinePatch::SerializeLayoutBounds(
		size_t* out_len) const {
		std::unique_ptr<uint8_t[]> NinePatch::SerializeLayoutBounds(size_t* out_len) const {
		size_t chunk_len = sizeof(uint32_t) * 4;
		auto buffer = std::unique_ptr<uint8_t[]>(new uint8_t[chunk_len]);
		uint8_t* cursor = buffer.get();
		@@ -647,8 +627,7 @@ std::unique_ptr<uint8_t[]> NinePatch::SerializeLayoutBounds(
		return buffer;
		}

		std::unique_ptr<uint8_t[]> NinePatch::SerializeRoundedRectOutline(
		size_t* out_len) const {
		std::unique_ptr<uint8_t[]> NinePatch::SerializeRoundedRectOutline(size_t* out_len) const {
		size_t chunk_len = sizeof(uint32_t) * 6;
		auto buffer = std::unique_ptr<uint8_t[]>(new uint8_t[chunk_len]);
		uint8_t* cursor = buffer.get();
		@@ -679,20 +658,25 @@ std::unique_ptr<uint8_t[]> NinePatch::SerializeRoundedRectOutline(
		}

		::std::ostream& operator<<(::std::ostream& out, const Bounds& bounds) {
		return out << "l=" << bounds.left << " t=" << bounds.top
		<< " r=" << bounds.right << " b=" << bounds.bottom;
		return out << "l=" << bounds.left << " t=" << bounds.top << " r=" << bounds.right
		<< " b=" << bounds.bottom;
		}

		template <typename T>
		std::ostream& operator<<(std::ostream& os, const std::vector<T>& v) {
		for (int i = 0; i < v.size(); ++i) {
		os << v[i];
		if (i != v.size() - 1) os << " ";
		}
		return os;
		}

		::std::ostream& operator<<(::std::ostream& out, const NinePatch& nine_patch) {
		return out << "horizontalStretch:"
		<< util::Joiner(nine_patch.horizontal_stretch_regions, " ")
		<< " verticalStretch:"
		<< util::Joiner(nine_patch.vertical_stretch_regions, " ")
		<< " padding: " << nine_patch.padding
		<< ", bounds: " << nine_patch.layout_bounds
		<< ", outline: " << nine_patch.outline
		<< " rad=" << nine_patch.outline_radius
		return out << "horizontalStretch:" << nine_patch.horizontal_stretch_regions
		<< " verticalStretch:" << nine_patch.vertical_stretch_regions
		<< " padding: " << nine_patch.padding << ", bounds: " << nine_patch.layout_bounds
		<< ", outline: " << nine_patch.outline << " rad=" << nine_patch.outline_radius
		<< " alpha=" << nine_patch.outline_alpha;
		}

		} // namespace aapt
		} // namespace android