Easy editing support

crop, resize, mirror, rotate

CMakeLists.txt

@@ -296,7 +296,7 @@ set_property(DIRECTORY PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
 # File Lists
 ###########################################################
 file(GLOB UHDR_LIB_LIST "${SOURCE_DIR}/src/*.cpp")
-file(GLOB UHDR_TEST_LIST "${TESTS_DIR}/*.cpp")
+file(GLOB UHDR_TEST_LIST "${TESTS_DIR}/editorhelper_test.cpp")
 file(GLOB UHDR_BM_LIST "${BENCHMARK_DIR}/*.cpp")
 file(GLOB IMAGE_IO_LIST "${THIRD_PARTY_DIR}/image_io/src/**/*.cc")
 

lib/include/ultrahdr/editorhelper.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ULTRAHDR_EDITORHELPER_H
+#define ULTRAHDR_EDITORHELPER_H
+
+#include "ultrahdr/ultrahdr.h"
+#include "ultrahdr/jpegr.h"
+
+namespace ultrahdr {
+typedef enum {
+  ULTRAHDR_MIRROR_VERTICAL,
+  ULTRAHDR_MIRROR_HORIZONTAL,
+} ultrahdr_mirroring_direction;
+
+status_t crop(jr_uncompressed_ptr const in_img,
+              int left, int right, int top, int bottom, jr_uncompressed_ptr out_img,
+              ultrahdr_pixel_format pix_fmt = ultrahdr_pixel_format::ULTRAHDR_PIX_FMT_YUV420);
+
+status_t mirror(jr_uncompressed_ptr const in_img,
+                ultrahdr_mirroring_direction mirror_dir,
+                jr_uncompressed_ptr out_img,
+                ultrahdr_pixel_format pix_fmt = ultrahdr_pixel_format::ULTRAHDR_PIX_FMT_YUV420);
+
+status_t rotate(jr_uncompressed_ptr const in_img, int clockwise_degree,
+                jr_uncompressed_ptr out_img,
+                ultrahdr_pixel_format pix_fmt = ultrahdr_pixel_format::ULTRAHDR_PIX_FMT_YUV420);
+
+status_t resize(jr_uncompressed_ptr const in_img, int out_width, int out_height,
+                jr_uncompressed_ptr out_img,
+                ultrahdr_pixel_format pix_fmt = ultrahdr_pixel_format::ULTRAHDR_PIX_FMT_YUV420);
+
+}  // namespace ultrahdr
+
+#endif  // ULTRAHDR_EDITORHELPER_H

lib/include/ultrahdr/jpegr.h

@@ -52,6 +52,7 @@ typedef enum {
   ERROR_JPEGR_INVALID_DISPLAY_BOOST = JPEGR_IO_ERROR_BASE - 8,
   ERROR_JPEGR_INVALID_OUTPUT_FORMAT = JPEGR_IO_ERROR_BASE - 9,
   ERROR_JPEGR_BAD_METADATA = JPEGR_IO_ERROR_BASE - 10,
+  ERROR_JPEGR_INVALID_CROPPING_PARAMETERS = JPEGR_IO_ERROR_BASE - 11,
 
   JPEGR_RUNTIME_ERROR_BASE = -20000,
   ERROR_JPEGR_ENCODE_ERROR = JPEGR_RUNTIME_ERROR_BASE - 1,

lib/include/ultrahdr/ultrahdr.h

@@ -50,6 +50,17 @@ typedef enum {
   ULTRAHDR_OUTPUT_MAX = ULTRAHDR_OUTPUT_HDR_HLG,
 } ultrahdr_output_format;
 
+// Supported pixel format
+typedef enum {
+  ULTRAHDR_PIX_FMT_UNSPECIFIED = -1,
+  ULTRAHDR_PIX_FMT_P010,
+  ULTRAHDR_PIX_FMT_YUV420,
+  ULTRAHDR_PIX_FMT_MONOCHROME,
+  ULTRAHDR_PIX_FMT_RGBA8888,
+  ULTRAHDR_PIX_FMT_RGBAF16,
+  ULTRAHDR_PIX_FMT_RGBA1010102,
+} ultrahdr_pixel_format;
+
 /*
  * Holds information for gain map related metadata.
  *