Release v1.1.6 (23 May 2024)

Core and Library

Improves the compatibility with IAR and GCC
Various fixes in the Helium library
Adds new APIs for fill-colour-with-mirroring (with/without opacity)
Adds new APIs for fill-colour-with-horizontal/vertical-line-masks (with/without opacity)
Adds new APIs for tile-copy-with-source-mask-and-opacity
Adds implicit conversion for ARGB8888 (ccca8888) in tile-copy APIs
- Copy with Opacity
- Copy with Source Masks (with/without Opacity)
Adds experimental APIs for IIR blur
Adds a Helium-ACI example library.
Uses jinja scripts for generating source files

Improves performance statistics
- Allows frame-skipping when no valid dirty region
Improves log services
- Adds a dedicated channel for statistics
- Adds a dedicated channel for example controls
- Adds line number
Improves scratch memory management
Improves the layout assistant
- Adds macro helpers for docking
- Allows arm_2d_canvas to skip running when it is out of the partial-framebuffer valid region.
- Improves the capability of the layout nesting.
- Adds a layout assistant debug mode
Improves the lcd printf service
- Improves the scaling service
Improves the Display Adapter service
- Adds the support for screen rotation (90, 180 and 270 degrees) in the Display Adapter service
- Adds colour information
- Allows retargeting printf to LCD
- Improves user application performance
- Improves the support for UTF8
- Adds arm_2d_helper_pfb_is_region_being_drawing
- Adds a Tiny Mode for navigation layer
Improves the Scene Player service
- Adds the canvas colour to arm_2d_scene_t.
- Adds an onLoad event to arm_2d_scene_t.
- Adds a built-in dirty region helper service
- Improves the scene switching effects
Adds a helper service for byte FIFO: arm_2d_byte_fifo_t
Adds __arm_2d_helper_time_elapsed
Adds helper services for dirty regions
Adds a code template for adding user defined OPCODE
Improves pixel-pipeline for processing masks

Improves the compatibility with CMSIS6
Improves the complexity of the generic benchmark
Adds an example control for drawing rounded corner images
Allows changing the masks when
- drawing rounded corner boxes
- drawing rounded corner border
- drawing progress wheel
Adds built-in dirty region support to example controls
Adds example project for csolution: [template][csolution]
Improves code templates of the scene, the display adapter and the example control
Adds demos
Marks arm_extra_controls.h as deprecated. Please use arm_2d_example_controls.h instead.
Adds new example controls:
- console box
- histogram
Adds new scene templates:
- alarm clock
- bubble charging
- fan
Adds new assets
Adds an onDrawParticles event handler to the dynamic nebular
Fixes small issues in example controls
Improve the PC template
Reduces the memory footprint of example controls.
Improves the performance of example controls

Improves the support for masks in the pixel-pipeline.
Updates transform operations
- Always generating a child tile for the target tile in transform operations.
- Adds optimization for hollow out masks in C implementations
Adds the support for adding Asynchronous acceleration, Synchronous acceleration and ACI acceleration.
Adds the support for trace log
Adds a new API: arm_2d_is_region_inside_target()

Updates ttf2c.py for generating A1, A2 and A4 fonts.
Updates the Display Adapter Service (the PFB Helper Service)
- Introduces a Dry-Run mode in the PFB helper service.
- Introduces the Dynamic Dirty Region, a new type of dirty region items that allows users to update its area during drawing and interact with the PFB. helper service.
- Introduces the concept of virtual screen which is used to anchor the virtual screen in the PFB helper service.
- Introduces the Dirty Region Optimization in the PFB Helper service.
- Updates the performance statistic service in the Display Adapter service.
  - Introduces the CPU Usage info calculation.
  - Places the performance statistic to the Display Adapter class.
- Simplifies the way of navigation layer customization.
- Improves the robustness of the Asynchronous Flushing helper.
- Improves the dirty region debug mode.
- Updates the disp_adapter_task() to support Framerate-Locking in the bare-metal environment.
Introduces helper macros for docking.
Adds the char scaling support to A8 fonts.
Updates the transform helper service.
- Fixes an issue in region calculation.
- Improves the performance.

Adds a new example scene to demonstrate a curve-list-view.
Adds a new example scene (arm_2d_scene_audiomark) to demonstrate the dirty region optimization
Adds a new service, 3FB helper service for supporting the so-called Direct Mode.
Updates example controls and scene templates.
- Adds dirty regions to the Progress Wheel.
- Adds a new API for drawing round corner image.
- Updates the APIs for drawing round corner boxes and allows specifying user defined resources.
- Updates the progress bars.
- Adds a new scene template for fitness trackers.
Updates benchmarks
- Reduces the SRAM footprint of the tiny mode for the generic benchmark.
Improve PC template

Adds an initial support for CMake.
Introduces a header template arm_2d_user_arch_port.h and makes it easier to port arm-2d to a different architecture other than Cortex-M.
Improves the support for C++ compilation.
Fixes the support for the Arm Compiler 5.
Improve the support for Arm Compiler 6.21.
Adds a new document How To Accelerate Arm-2D
Updates the document How To Deploy Arm-2D to introduce the supports for Asynchronous Flushing Mode and Direct Mode.
Updates the benchmark generic result.
Updates README.md.
Adds ReleaseNote.md