# Changelog

All notable changes of this project will be documented in.

## [6.0.24] - 2025-12-19

### Changed

* React Native GCanvas Component
    * fix: on iOS in RN New Architecture the <GCanvasView/> is just black


## [6.0.23] - 2025-12-01

### Changed

* React Native GCanvas Component
    * feat: on Android support 16KB page size, ref to https://github.com/licheedev/Android-SerialPort-API/commit/0768a6b


## [6.0.22] - 2025-11-25

### Changed

* React Native GCanvas Component
    * fix: on iOS in RN 0.77 wil cause `No template named 'unary_function' in namespace 'std'; did you mean '__unary_function'?`, for std::unary_function is deprecated in C++11 and removed in C++17


## [6.0.21] - 2025-11-18

### Changed

* React Native GCanvas Component
    * fix: on Android in the New Architecture will crash `Attempt to invoke vitual method 'com.facebook.react.uimanager.events.EventDispatcher.com.facebook.react.uimanager.UiManagerModule.getEventDispatcher()' on a null object reference`, ref to [Supporting UIManager in the New Architecture](https://github.com/reactwg/react-native-new-architecture/discussions/201)


## [6.0.20] - 2024-12-11

### Changed

* React Native GCanvas Component
    * fix: when (offscreen canvas multiply) call canvas.getContext('2d'), should reset contextAttributes(, because our offscreen canvas will not unmount)


## [6.0.19] - 2024-11-29

### Changed

* React Native GCanvas Component
    * fix: on Android 15 can not display emoji


## [6.0.18] - 2024-11-27

### Changed

* React Native GCanvas Component
    * fix: since v6.0.17 sometimes "TypeError: null is not an object (evaluating 'this.canvas.id')"


## [6.0.17] - 2024-11-27

### Changed

* React Native GCanvas Component
    * fix: global array bug on iOS release that cause `document.createElement('canvas')` (as offscreen canvas) not work


## [6.0.16] - 2024-11-21

### Changed

* React Native GCanvas Component
    * feat: on iOS ctx.fillText() can display most color emoji
    * fix: ctx.font can not support fontFamily with space e.g. `times new roman`


## [6.0.15] - 2024-11-04

### Changed

* React Native GCanvas Component
    * fix: build fails that missing "pnglibconf.h" in npm package #84


## [6.0.14] - 2024-10-12

### Changed

* React Native GCanvas Component
    * feat: on Android ctx.fillText() can display most color emoji
    * fix: on Android compile error `Expected output file at .../libpng16d.so for target png but there was none`


## [6.0.13] - 2024-08-28

### Changed

* React Native GCanvas Component
    * fix: support x86 and x86_64 ABI  used in e.g. Android emulator #6 #19
    * feat: ctx.fillText() now support ucs4 instead of ucs2
    * feat: ctx.fillText() can display some emoji e.g. U+2328 , but can not display more


## [6.0.12] - 2024-08-06

### Changed

* React Native GCanvas Component
    * fix: on Android sometimes APP stuck (only FlatList can be move) by multi-thread lock while unmount <GCanvasView/>


## [6.0.11] - 2023-12-22

### Changed

* React Native GCanvas Component
    * fix: Cant build on react native 0.72.0 #65


## [6.0.10] - 2023-12-07

### Changed

* React Native GCanvas Component
    * fix: flick of ctx.drawImage() with imageIsCanvas of https://github.com/flyskywhy/GCanvasRNExamples/blob/master/app/components/AudioWaveSurfer.js


## [6.0.9] - 2023-12-06

### Changed

* React Native GCanvas Component
    * fix: bug from 6.0.7 that on iOS can't draw some on 1st stack canvas page again when unmount from 2nd stack canvas page of react-navigation


## [6.0.8] - 2023-10-24

### Changed

* React Native GCanvas Component
    * fix: toDataURL() crash On iOS 17 #66


## [6.0.7] - 2023-09-04

### Changed

* React Native GCanvas Component
    * fix: 15MB iOS memory leak when recreate canvas #42


## [6.0.6] - 2023-06-28

### Changed

* React Native GCanvas Component
    * fix: gradle-plugin 4.x comes from RN 0.64 will run crash `gcanvas is not found.dlopen failed: library "libfreetype.so" not found` and then `java.lang.UnsatisfiedLinkError: No implementation found for void com.taobao.gcanvas.GCanvasJNI.setContextType`


## [6.0.5] - 2023-06-15

### Changed

* React Native GCanvas Component
    * add props isResetGlViewportAfterSetWidthOrHeight={false} to let webgl 3d can continue gl call loop without restart it by drawSome() after rotate screenOrientation


## [6.0.4] - 2023-06-14

### Changed

* React Native GCanvas Component
    * fix: (again 06a7064) a bug that will no display while quit from a drawer item page to current webgl page which is still maintain mounted by react-navigation on Android caused by 0c51446 in v2.3.10
    * webgl_demo/cube.js: fix maybe will stuck APP if use it as children


## [6.0.3] - 2023-05-05

### Changed

* React Native GCanvas Component
    * fix: on iOS sometimes `this.ctx.getImageData()` can't get the text just after `this.ctx.fillText()`


## [6.0.2] - 2023-04-26

### Changed

* React Native GCanvas Component
    * fix: iOS if `isGestureResponsible={true}` and touch will `TypeError: undefined is not an object (evaluating 'touch.startTimeStamp'` #61


## [6.0.1] - 2023-03-23

### Changed

* React Native GCanvas Component
    * feat: support fallback fonts to work with every language on Android by default, thus fix #38 can not fillText with thai font family on Android


## [6.0.0] - 2023-03-22

### Changed

* React Native GCanvas Component
    * Small break! Multisample anti-aliasing (MSAA) is disabled by default on Android, need set prop `isEnableFboMsaa={true}` if you want present same behavior on Android and Web.
    * feat: add prop isEnableFboMsaa for canvas 2d on Android, and now Multisample anti-aliasing (MSAA) by default is disabled #48


## [5.1.7] - 2023-03-15

### Changed

* React Native GCanvas Component
    * feat: add registerFont() for Android and getFontNames() to work with custom fonts, and workaround #38 can not fillText with thai font family on Android
    * fix: ctx.fillText(str) crash on some Android device if not run `ctx.font = ` before and str is not char of CJK


## [5.1.6] - 2023-02-17

### Changed

* React Native GCanvas Component
    * fix: since v5.0.2 cause `Unable to compile iOS due to missing return value` #58


## [5.1.5] - 2023-02-03

### Changed

* React Native GCanvas Component
    * fix: since @flyskywhy/react-native-gcanvas@5.1.3, image not display on screen of <https://github.com/flyskywhy/GCanvasRNExamples/blob/master/app/components/Canvas2dDemo.js>


## [5.1.4] - 2023-02-03

### Changed

* React Native GCanvas Component
    * fix: touch issue caused by sometimes multiple touches have same startTimeStamp


## [5.1.3] - 2023-01-31 Happy Chinese New Year

### Changed

* React Native GCanvas Component
    * fix: 2nd image flick with 'forceCanvas = true' of <https://github.com/flyskywhy/GCanvasRNExamples/blob/master/app/components/Pixi.js>


## [5.1.2] - 2023-01-13

### Changed

* React Native GCanvas Component
    * README.md: install expo-modules instead of react-native-unimodules to install latest expo-asset
    * feat: support gl.getContextAttributes
    * fix: let putImageData {255, 255, 255, 0} can result transparence not white just like Web


## [5.1.1] - 2023-01-10

### Changed

* React Native GCanvas Component
    * fix: let ctx.globalCompositeOperation behavior match <https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/globalCompositeOperation>
    * fix: let putImageData {255, 255, 255, 0} can result transparence not white just like Web


## [5.1.0] - 2022-12-24

### Changed

* React Native GCanvas Component
    * feat: convert gesture event to PointerEvent to support multiple touches with babylonjs demo `Drag and drop` in <https://github.com/flyskywhy/GCanvasRNExamples>, and this can workaround <https://github.com/facebook/react-native/issues/8094>
    * fix: can not work with document.createElement('canvas') if just exit from another page which also has document.createElement('canvas')
    * feat: Use more general `offscreenCanvas={true}` instead of `global.createCanvasElements.push(canvas)` to work with document.createElement('canvas') (as offscreen canvas)


## [5.0.2] - 2022-12-22

### Changed

* React Native GCanvas Component
    * fix: setDevicePixelRatio should be sync otherwise font size sometimes will be too big in <https://github.com/flyskywhy/GCanvasRNExamples/blob/master/app/components/WebglCubeMaps.js>


## [5.0.1] - 2022-12-21

### Changed

* React Native GCanvas Component
    * fix: can not drag on babylonjs mesh in <https://github.com/flyskywhy/GCanvasRNExamples/blob/master/src/dragNdrop.js>


## [5.0.0] - 2022-12-18

### Changed

* React Native GCanvas Component
    * Small break! Gesture event always be convert to mouse event.
    * Support 3d game engine babylonjs! Ref to <https://github.com/flyskywhy/GCanvasRNExamples>


## [4.0.0] - 2022-12-18

### Changed

* React Native GCanvas Component
    * Small break! Multisample anti-aliasing (MSAA) is enabled by default on Android, thus present same behavior on Android and Web. Gcanvas on iOS is not supported yet.
    * feat: support Multisample anti-aliasing (MSAA) by default on Android #48


## [3.0.0] - 2022-12-18

### Changed

* React Native GCanvas Component
    * Small break! Font display size is more bigger than before as it depends on DevicePixelRatio now, even though default font size decrease from 12px to standard 10px, thus font size present same behavior on native and Web.
    * fix: ctx.font size should depend on DevicePixelRatio #14
    * fix: default font size is 10px as described GLsizei in <https://developer.mozilla.org/zh-CN/docs/Web/API/Canvas_API/Tutorial/Drawing_text>


## [2.3.37] - 2022-12-16

### Changed

* React Native GCanvas Component
    * fix: mouseEvent.type should be 'mousemove' not 'mousedown' in onPanResponderMove()
    * feat: support canvas.focus in 44230ed


## [2.3.36] - 2022-12-12

### Changed

* React Native GCanvas Component
    * fix: drawingBufferWidth and drawingBufferHeight of WebGLRenderingContext is fixed not float as described GLsizei in <https://registry.khronos.org/webgl/specs/latest/1.0/#DOM-WebGLRenderingContext-drawingBufferWidth>
    * feat: support ctx.measureText
    * fix: avoid canvas render (no return result) sometimes stuck the APP (only FlatList can be move), and still avoid getImageData() on Android sometimes get '' since 9e190a6


## [2.3.35] - 2022-12-05

### Changed

* React Native GCanvas Component
    * fix: let btoa use window.btoa comes from @flyskywhy/react-native-browser-polyfill to fix `Unable to resolve "abab"` #53
    * fix: Compatible with <https://github.com/flyskywhy/snakeRN/tree/v3.1.1>


## [2.3.34] - 2022-12-05

### Changed

* React Native GCanvas Component
    * fix: let mCmdQueue be thread safe to fix random app crash by `Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR)` #54


## [2.3.33] - 2022-11-19

### Changed

* React Native GCanvas Component
    * feat: support HTMLCanvasElement to texImage2D and texSubImage2D


## [2.3.32] - 2022-11-18

### Changed

* React Native GCanvas Component
    * fix: crash in context webgl when resetGlViewport


## [2.3.31] - 2022-11-17

### Changed

* React Native GCanvas Component
    * fix: avoid unnecessary string copy in GCanvasWeex::QueueProc() to avoid sometime std::bad_alloc crash on some Android phone


## [2.3.30] - 2022-11-16

### Changed

* React Native GCanvas Component
    * fix: should also stop JS render loop in componentWillUnmount


## [2.3.29] - 2022-11-15

### Changed

* React Native GCanvas Component
    * fix: `A/libc(27847): Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 28018 (JNISurfaceTextu)` by

        ~/tools/android-sdk/ndk/21.4.7075529/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64/bin/aarch64-linux-android-addr2line -e react-native-gcanvas/android/gcanvas_library/build/intermediates/cmake/release/obj/arm64-v8a/libgcanvas.so 0000000000094a48

    ref to the related log:

        A/DEBUG(28069):       #03 pc 0000000000094a48  /data/app/com.lessing.damitis-1takdafFSBJoT3BNSgkpSw==/lib/arm64/libgcanvas.so


## [2.3.28] - 2022-11-13

### Changed

* React Native GCanvas Component
    * fix: getImageData() on Android get [0, 0, 0, 0, ...] if just after drawImage()
    * feat: let drawImage() also eat canvas, so that most usecase of drawImage(canvas) with document.createElement('canvas') (as offscreen canvas) can work
    * feat: support ctx.ImageSmoothingEnabled
    * fix: crash if set canvas.width before invoke canvas.getContext
    * fix: let resetGlViewport() and setContextType() be sync on iOS to avoid crash render some cmd just after resetGlViewport()
    * refactor: let setContextType() be sync on Android to remove some sleepMs() in JS
    * fix: on iOS sometimes devicePixelRatio will be 1 after resetGlViewport()
    * fix: iOS one canvas crash or not work if unmount another canvas, since 2.3.22
    * fix: typo that maybe cause onLayout->ResetGlViewport->onLayout infinite loop
    * fix: avoid pixel offset flaw when GetImageData if devicePixelRatio in GCanvasView is not int but float


## [2.3.27] - 2022-10-11

### Changed

* React Native GCanvas Component
    * fix: width and height of canvas is fixed not float just like Web, now resizeCanvasToDisplaySize() in `node_modules/webgl-utils.js/` works well


## [2.3.26] - 2022-09-30 Happy National Day (10-01) of the People's Republic of China

### Changed

* React Native GCanvas Component
    * fix: `EventEmitter.removeListener ... Method has been deprecated` #44


## [2.3.25] - 2022-09-18 Chinese do not forget the September 18 Incident that marked the start of Japan's 14-year invasion of China

### Changed

* React Native GCanvas Component
    * README.md: install react-native-unimodules without install expo
    * refactor: Zdog rendering different from the web #46
    * fix: support https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute to avoid crash with [Zdog Mario](https://codepen.io/desandro/pen/qxjmKM)


## [2.3.23] - 2022-05-29

### Changed

* React Native GCanvas Component
    * feat: call drawImage() in loop with only one GImage instance #41, just like what Web can do


## [2.3.22] - 2022-05-28

### Changed

* React Native GCanvas Component
    * fix: iOS memory leak when recreate canvas #42


## [2.3.21] - 2022-04-01

### Changed

* React Native GCanvas Component
	* feat: support ImageData to texImage2D and texSubImage2D; fix display blank image when second call of texImage2D() on Android


## [2.3.19] - 2022-03-02

### Changed

* React Native GCanvas Component
	* feat: add prop devicePixelRatio, so that game designer/engine can code with physical pixels not just css pixels


## [2.3.17] - 2022-02-15 Happy Lantern Festival

### Changed

* React Native GCanvas Component
	* feat: add prop isAutoClearRectBeforePutImageData


## [2.3.16] - 2022-02-15 Happy Lantern Festival

### Changed

* React Native GCanvas Component
	* fix: #31 blinking after changing globalCompositeOperation


## [2.3.15] - 2022-02-10

### Changed

* React Native GCanvas Component
	* refactor: let color picker in APP more accurate in PixelsSampler() after GetImageData() when devicePixelRatio > 1
	* fix: flip y boundary value bug in PixelsSampler() which is used by GetImageData()


## [2.3.13] - 2022-02-08

### Changed

* React Native GCanvas Component
	* feat: add `canvas` into onCanvasResize({}) to easily `canvas.width = width;`
	* fix: sometimes gl.viewport() has no effect on iOS


## [2.3.12] - 2022-02-04 Wish the Beijing 2022 Winter Olympics and Winter Paralympics a complete success

### Changed

* React Native GCanvas Component
	* fix: improve `WebGL performance` #26 , increase JS FPS from 1 to 60 test with https://github.com/flyskywhy/snakeRN on iPhone 7 in Xcode debug build configuration


## [2.3.11] - 2022-01-31 Happy Chinese New Year

### Changed

* React Native GCanvas Component
	* feat: let iOS also has the ability to get the log comes from cpp
	* feat: support getImageData() on iOS


## [2.3.10] - 2022-01-13

### Changed

* React Native GCanvas Component
	* fix: context was scaled when `Canvas resize` #32 fixed by `this.canvas.width = width; this.canvas.height = height;` to match the same solution on Web `<canvas/>` , `onCanvasResize` usage can ref to README.md diff of commit 8225a74


## [2.3.9] - 2022-01-12

### Changed

* React Native GCanvas Component
	* feat: support onMouseDown onMouseMove onMouseUp
	* feat: support getImageData() on Android, support createImageData() putImageData()
	* fix: waitUtilTimeout() sometimes be interrupted by signal thus cause return immediately
	* fix: getImageData() on Android sometimes get '', test by adjusting color use `Lightener` icon tool in https://github.com/flyskywhy/PixelShapeRN


## [2.3.8] - 2021-12-19

### Changed

* React Native GCanvas Component
	* feat: support 9 args in texImage2D() on Android


## [2.3.7] - 2021-08-17

### Changed

* React Native GCanvas Component
	* fix: on iOS #25 "Poor performance on drawing multiple lines" caused by invoking render2d() implicitly per 16ms with empty commands when not drawing


## [2.3.6] - 2021-08-09

### Changed

* React Native GCanvas Component
	* fix: a bug that Android `ctx.clearRect()` with `white`, it should be `transparent` like iOS


## [2.3.5] - 2021-07-14

### Changed

* React Native GCanvas Component
	* fix: `java.lang.ClassCastException: com.facebook.react.views.view.ReactViewGroup cannot be cast to com.taobao.gcanvas.bridges.rn.GReactTextureView`


## [2.3.4] - 2021-07-08

### Changed

* React Native GCanvas Component
	* fix: let PanResponder outside GCanvasView can be useable


## [2.3.0] - 2021-06-17 Congratulations to China on the successful launch of crew to our Tiangong space station

### Changed

* React Native GCanvas Component
	* feat: use @flyskywhy/react-native-browser-polyfill to support window.Element to directly render `zdog` and support mousemove in `zdog`
	* fix: a bug can't drawImage when the image.src.startsWith('data:')


## [2.2.0] - 2021-05-29

### Changed

* React Native GCanvas Component
	* feat: add toDataURL() on Android and iOS


## [2.1.2] - 2021-05-16

### Changed

* React Native GCanvas Component
	* fix: a bug will more and more outer-sync between drawing on JS and displaying on iOS


## [2.1.0] - 2021-05-08

### Changed

* React Native GCanvas Component
	* feat: can render 3d webgl on Android and iOS now
	* fix: resolve the bug in refreshPlugin(), then iOS has the same x y scale with Android and Web against same JS code
	* fix: `A/libc(6413): Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 6684 (JNISurfaceTextu)` by

        /c/programs/android-sdk/ndk/20.0.5594570/toolchains/aarch64-linux-android-4.9/prebuilt/windows-x86_64/bin/aarch64-linux-android-addr2line.exe -e react-native-gcanvas/android/gcanvas_library/build/intermediates/cmake/debug/obj/arm64-v8a/libgcanvas.so 0000000000087abc

    ref to the related log:

        A/DEBUG(10049):       #03 pc 0000000000087abc  /data/app/com.sunlay.light-pqSaddcROPi9EDeUpEbxWw==/lib/arm64/libgcanvas.so (BuildId: 916bb745ddfe7df39f27c57400b0196947e866dc)



## [2.0.1] - 2021-05-04

### Changed

* React Native GCanvas Component
	* fix: #12 `Blank screen Android`
	* fix: #13 `why "0" shown?`


## [2.0.0] - 2020-12-22

### Changed

* React Native GCanvas Component
	* Small break! No need this.scale as described in example of previous README.md, more elegant now:D and thus [react-native-particles-bg](https://github.com/flyskywhy/react-native-particles-bg) present same behavior on Andrid, iOS and Web.
	* fix: resolve the bug in mImpl.setDevicePixelRatio, then Android has the same x y scale with iOS and Web, so can simplify the example too
	* refactor: add onCanvasCreate prop and hide enable() into GCanvasView, let initCanvas() simple in example


## [1.2.7] - 2020-12-21

### Changed

* React Native GCanvas Component
	* feat: support drawImage() from require('some.png') on Android, iOS and Web


## [1.2.5] - 2020-12-18

### Changed

* React Native GCanvas Component
	* iOS worked again
	* fix: a bug that will no display while quit from a drawer item page to current canvas page which is still maintain mounted by react-navigation on Android
	* fix: a bug that will still no display after close a pop-up activity like permission request dialog
	* feat: can render2d canvas on iOS now


## [1.2.0] - 2020-12-13

### Changed

* React Native GCanvas Component
	* Android worked again
	* fix: `A/libc(13515): Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x7af4c00ed8 in tid 13656 (mqt_native_modu)`
	* fix: can render2d canvas on Android now
	* fix: avoid sometimes `java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.taobao.gcanvas.bridges.rn.GReactTextureView.isReady()' on a null object reference`


## [1.1.0] - 2019-10-31

### Changed

* Core Engine
	* Refacotor `GCanvas` and `GCanvasContext` class, make it more lower coupling. `GCanvas` response for initialize, create `GCanvasContext` and drawFrame, all 2d `property` and `API` move to `GCanvasContext`
	* Add `GCanvasWeex` only for `Weex` UI framework
	* Add `GCanvasHooks` and `GCanvasLog`, support for custom exception log.
	* `GCanvasContext` Support set canvas dimension
	* New `2d` property `lineDash` and `lineDashOffset`
	* New `2d` property support `shadowColor`,`shadowBlur`, `shadowOffsetX`,`shadowOffstY`
	* Font support `measureText` and `Italic` style
	* `Fill()`、`Clip()` , support winding-rule and promote performance
	* Out of Android platform- implementation :`GCanvas2DContextAndroid`,`GCanvasAndroid`,`GFontManagerAndroid`,
	* Refactor Android-Weex `GcanvasWeexAndroid`
	* Fix some compatibility issue



* Weex GCanvas Component
	* Update New `WeexSDK` (>=0.26.0)
	* [iOS] `iOS` deployment_target update to iOS 9.0
	* [Android]`Android`:moudle bridge_spec source code depend on the module gcanvas_library