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function failed ( ex ) {
ok ( false , "Promise failure: " + ex ) ;
}
function isPixel ( sourceType , bitmapFormat , imageData , bitmapImageData , x , y , tolerance ) {
if ( imageData . width != bitmapImageData . width ||
imageData . height != bitmapImageData . height ) {
ok ( false , "Wrong dimension" ) ;
}
var index = 4 * ( y * imageData . width + x ) ;
var pr = imageData . data [ index + 0 ] ,
pg = imageData . data [ index + 1 ] ,
pb = imageData . data [ index + 2 ] ,
pa = imageData . data [ index + 3 ] ;
if ( bitmapFormat == "RGBA32" || bitmapFormat == "RGBX32" ) {
var bpr = bitmapImageData . data [ index + 0 ] ,
bpg = bitmapImageData . data [ index + 1 ] ,
bpb = bitmapImageData . data [ index + 2 ] ,
bpa = bitmapImageData . data [ index + 3 ] ;
}
else if ( bitmapFormat == "BGRA32" || bitmapFormat == "BGRX32" ) {
var bpb = bitmapImageData . data [ index + 0 ] ,
bpg = bitmapImageData . data [ index + 1 ] ,
bpr = bitmapImageData . data [ index + 2 ] ,
bpa = bitmapImageData . data [ index + 3 ] ;
}
else {
// format might be one of the followings: "R5G6B5", "A8", "YUV", ""
ok ( false , "Not supported ImageFormat: " + bitmapFormat ) ;
}
ok ( pr - tolerance <= bpr && bpr <= pr + tolerance &&
pg - tolerance <= bpg && bpg <= pg + tolerance &&
pb - tolerance <= bpb && bpb <= pb + tolerance &&
pa - tolerance <= bpa && bpa <= pa + tolerance ,
"pixel[" + x + "][" + y + "]: " + sourceType + " is " + pr + "," + pg + "," + pb + "," + pa + "; ImageBitmap is " + bpr + "," + bpg + "," + bpb + "," + bpa ) ;
}
function promiseThrows ( p , name ) {
var didThrow ;
return p . then ( function ( ) { didThrow = false ; } ,
function ( ) { didThrow = true ; } )
. then ( function ( ) { ok ( didThrow , name ) ; } ) ;
}
function testExceptions ( ) {
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return Promise . all ( [
promiseThrows ( testColorConversion ( "GRAY8" , "RGBA32" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to RGBA32" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "BGRA32" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to BGRA32" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "RGB24" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to RGB24" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "BGR24" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to BGR24" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "YUV444P" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to YUV444P" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "YUV422P" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to YUV422P" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "YUV420P" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to YUV420P" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "YUV420SP_NV12" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to YUV420SP_NV12" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "YUV420SP_NV21" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to YUV420SP_NV21" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "HSV" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to HSV" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "Lab" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to Lab" ) ,
promiseThrows ( testColorConversion ( "GRAY8" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from GRAY8 to DEPTH" ) ,
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promiseThrows ( testColorConversion ( "DEPTH" , "RGBA32" , undefined , true ) , "[Exception] Cannot convert from DEPTH to RGBA32" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "BGRA32" , undefined , true ) , "[Exception] Cannot convert from DEPTH to BGRA32" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "RGB24" , undefined , true ) , "[Exception] Cannot convert from DEPTH to RGB24" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "BGR24" , undefined , true ) , "[Exception] Cannot convert from DEPTH to BGR24" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "GRAY8" , undefined , true ) , "[Exception] Cannot convert from DEPTH to GRAY8" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "YUV444P" , undefined , true ) , "[Exception] Cannot convert from DEPTH to YUV444P" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "YUV422P" , undefined , true ) , "[Exception] Cannot convert from DEPTH to YUV422P" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "YUV420P" , undefined , true ) , "[Exception] Cannot convert from DEPTH to YUV420P" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "YUV420SP_NV12" , undefined , true ) , "[Exception] Cannot convert from DEPTH to YUV420SP_NV12" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "YUV420SP_NV21" , undefined , true ) , "[Exception] Cannot convert from DEPTH to YUV420SP_NV21" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "HSV" , undefined , true ) , "[Exception] Cannot convert from DEPTH to HSV" ) ,
promiseThrows ( testColorConversion ( "DEPTH" , "Lab" , undefined , true ) , "[Exception] Cannot convert from DEPTH to Lab" ) ,
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promiseThrows ( testColorConversion ( "RGBA32" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from RGBA32 to DEPTH" ) ,
promiseThrows ( testColorConversion ( "BGRA32" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from BGRA32 to DEPTH" ) ,
promiseThrows ( testColorConversion ( "RGB24" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from RGB24 to DEPTH" ) ,
promiseThrows ( testColorConversion ( "BGR24" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from BGR24 to DEPTH" ) ,
promiseThrows ( testColorConversion ( "YUV444P" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from YUV444P to DEPTH" ) ,
promiseThrows ( testColorConversion ( "YUV422P" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from YUV422P to DEPTH" ) ,
promiseThrows ( testColorConversion ( "YUV420P" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from YUV420P to DEPTH" ) ,
promiseThrows ( testColorConversion ( "YUV420SP_NV12" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from YUV420SP_NV12 to DEPTH" ) ,
promiseThrows ( testColorConversion ( "YUV420SP_NV21" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from YUV420SP_NV21 to DEPTH" ) ,
promiseThrows ( testColorConversion ( "HSV" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from HSV to DEPTH" ) ,
promiseThrows ( testColorConversion ( "Lab" , "DEPTH" , undefined , true ) , "[Exception] Cannot convert from Lab to DEPTH" ) ,
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] ) ;
}
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function testInvalidAccess ( sources ) {
function callMapDataIntoWithImageBitmapCroppedOutSideOfTheSourceImage ( source ) {
return new Promise ( function ( resolve , reject ) {
var p = createImageBitmap ( source , - 1 , - 1 , 2 , 2 ) ;
p . then (
function ( bitmap ) {
var format = bitmap . findOptimalFormat ( ) ;
var length = bitmap . mappedDataLength ( format ) ;
var buffer = new ArrayBuffer ( length ) ;
bitmap . mapDataInto ( format , buffer , 0 ) . then (
function ( layout ) { resolve ( ) ; } ,
function ( error ) { reject ( error ) ; }
) ;
} ,
function ( ) { resolve ( ) ; } ) ;
} ) ;
} ;
var testCases = sources . map ( function ( source ) {
return promiseThrows ( callMapDataIntoWithImageBitmapCroppedOutSideOfTheSourceImage ( source ) ,
"[Exception] mapDataInto() should throw with transparent black." ) ; } ) ;
return Promise . all ( testCases ) ;
}
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function testColorConversions ( ) {
return Promise . all ( [ // From RGBA32
testColorConversion ( "RGBA32" , "RGBA32" ) ,
testColorConversion ( "RGBA32" , "BGRA32" ) ,
testColorConversion ( "RGBA32" , "RGB24" ) ,
testColorConversion ( "RGBA32" , "BGR24" ) ,
testColorConversion ( "RGBA32" , "GRAY8" ) ,
testColorConversion ( "RGBA32" , "YUV444P" ) ,
testColorConversion ( "RGBA32" , "YUV422P" ) ,
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testColorConversion ( "RGBA32" , "YUV420P" , 2 ) ,
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testColorConversion ( "RGBA32" , "YUV420SP_NV12" ) ,
testColorConversion ( "RGBA32" , "YUV420SP_NV21" ) ,
testColorConversion ( "RGBA32" , "HSV" , 0.01 ) ,
testColorConversion ( "RGBA32" , "Lab" , 0.5 ) ,
// From BGRA32
testColorConversion ( "BGRA32" , "RGBA32" ) ,
testColorConversion ( "BGRA32" , "BGRA32" ) ,
testColorConversion ( "BGRA32" , "RGB24" ) ,
testColorConversion ( "BGRA32" , "BGR24" ) ,
testColorConversion ( "BGRA32" , "GRAY8" ) ,
testColorConversion ( "BGRA32" , "YUV444P" , 3 ) ,
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testColorConversion ( "BGRA32" , "YUV422P" , 2 ) ,
testColorConversion ( "BGRA32" , "YUV420P" , 2 ) ,
testColorConversion ( "BGRA32" , "YUV420SP_NV12" , 2 ) ,
testColorConversion ( "BGRA32" , "YUV420SP_NV21" , 2 ) ,
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testColorConversion ( "BGRA32" , "HSV" , 0.01 ) ,
testColorConversion ( "BGRA32" , "Lab" , 0.5 ) ,
// From RGB24
testColorConversion ( "RGB24" , "RGBA32" ) ,
testColorConversion ( "RGB24" , "BGRA32" ) ,
testColorConversion ( "RGB24" , "RGB24" ) ,
testColorConversion ( "RGB24" , "BGR24" ) ,
testColorConversion ( "RGB24" , "GRAY8" ) ,
testColorConversion ( "RGB24" , "YUV444P" ) ,
testColorConversion ( "RGB24" , "YUV422P" ) ,
testColorConversion ( "RGB24" , "YUV420P" ) ,
testColorConversion ( "RGB24" , "YUV420SP_NV12" ) ,
testColorConversion ( "RGB24" , "YUV420SP_NV21" ) ,
testColorConversion ( "RGB24" , "HSV" , 0.01 ) ,
testColorConversion ( "RGB24" , "Lab" , 0.5 ) ,
// From BGR24
testColorConversion ( "BGR24" , "RGBA32" ) ,
testColorConversion ( "BGR24" , "BGRA32" ) ,
testColorConversion ( "BGR24" , "RGB24" ) ,
testColorConversion ( "BGR24" , "BGR24" ) ,
testColorConversion ( "BGR24" , "GRAY8" ) ,
testColorConversion ( "BGR24" , "YUV444P" ) ,
testColorConversion ( "BGR24" , "YUV422P" ) ,
testColorConversion ( "BGR24" , "YUV420P" ) ,
testColorConversion ( "BGR24" , "YUV420SP_NV12" ) ,
testColorConversion ( "BGR24" , "YUV420SP_NV21" ) ,
testColorConversion ( "BGR24" , "HSV" , 0.01 ) ,
testColorConversion ( "BGR24" , "Lab" , 0.5 ) ,
// From YUV444P
testColorConversion ( "YUV444P" , "RGBA32" ) ,
testColorConversion ( "YUV444P" , "BGRA32" ) ,
testColorConversion ( "YUV444P" , "RGB24" ) ,
testColorConversion ( "YUV444P" , "BGR24" ) ,
testColorConversion ( "YUV444P" , "GRAY8" ) ,
testColorConversion ( "YUV444P" , "YUV444P" ) ,
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testColorConversion ( "YUV444P" , "YUV422P" , 4 ) ,
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testColorConversion ( "YUV444P" , "YUV420P" , 3 ) ,
testColorConversion ( "YUV444P" , "YUV420SP_NV12" , 3 ) ,
testColorConversion ( "YUV444P" , "YUV420SP_NV21" , 3 ) ,
testColorConversion ( "YUV444P" , "HSV" , 0.01 ) ,
testColorConversion ( "YUV444P" , "Lab" , 0.01 ) ,
// From YUV422P
testColorConversion ( "YUV422P" , "RGBA32" ) ,
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testColorConversion ( "YUV422P" , "BGRA32" , 2 ) ,
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testColorConversion ( "YUV422P" , "RGB24" ) ,
testColorConversion ( "YUV422P" , "BGR24" ) ,
testColorConversion ( "YUV422P" , "GRAY8" ) ,
testColorConversion ( "YUV422P" , "YUV444P" , 3 ) ,
testColorConversion ( "YUV422P" , "YUV422P" ) ,
testColorConversion ( "YUV422P" , "YUV420P" ) ,
testColorConversion ( "YUV422P" , "YUV420SP_NV12" ) ,
testColorConversion ( "YUV422P" , "YUV420SP_NV21" ) ,
testColorConversion ( "YUV422P" , "HSV" , 0.01 ) ,
testColorConversion ( "YUV422P" , "Lab" , 0.01 ) ,
// From YUV420P
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testColorConversion ( "YUV420P" , "RGBA32" , 2 ) ,
testColorConversion ( "YUV420P" , "BGRA32" , 2 ) ,
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testColorConversion ( "YUV420P" , "RGB24" ) ,
testColorConversion ( "YUV420P" , "BGR24" ) ,
testColorConversion ( "YUV420P" , "GRAY8" ) ,
testColorConversion ( "YUV420P" , "YUV444P" , 3 ) ,
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testColorConversion ( "YUV420P" , "YUV422P" , 1 ) ,
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testColorConversion ( "YUV420P" , "YUV420P" ) ,
testColorConversion ( "YUV420P" , "YUV420SP_NV12" ) ,
testColorConversion ( "YUV420P" , "YUV420SP_NV21" ) ,
testColorConversion ( "YUV420P" , "HSV" , 0.01 ) ,
testColorConversion ( "YUV420P" , "Lab" , 0.01 ) ,
// From NV12
testColorConversion ( "YUV420SP_NV12" , "RGBA32" ) ,
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testColorConversion ( "YUV420SP_NV12" , "BGRA32" , 2 ) ,
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testColorConversion ( "YUV420SP_NV12" , "RGB24" ) ,
testColorConversion ( "YUV420SP_NV12" , "BGR24" ) ,
testColorConversion ( "YUV420SP_NV12" , "GRAY8" ) ,
testColorConversion ( "YUV420SP_NV12" , "YUV444P" , 3 ) ,
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testColorConversion ( "YUV420SP_NV12" , "YUV422P" , 1 ) ,
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testColorConversion ( "YUV420SP_NV12" , "YUV420P" ) ,
testColorConversion ( "YUV420SP_NV12" , "YUV420SP_NV12" ) ,
testColorConversion ( "YUV420SP_NV12" , "YUV420SP_NV21" ) ,
testColorConversion ( "YUV420SP_NV12" , "HSV" , 0.01 ) ,
testColorConversion ( "YUV420SP_NV12" , "Lab" , 0.01 ) ,
// From NV21
testColorConversion ( "YUV420SP_NV21" , "RGBA32" ) ,
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testColorConversion ( "YUV420SP_NV21" , "BGRA32" , 2 ) ,
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testColorConversion ( "YUV420SP_NV21" , "RGB24" ) ,
testColorConversion ( "YUV420SP_NV21" , "BGR24" ) ,
testColorConversion ( "YUV420SP_NV21" , "GRAY8" ) ,
testColorConversion ( "YUV420SP_NV21" , "YUV444P" , 3 ) ,
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testColorConversion ( "YUV420SP_NV21" , "YUV422P" , 1 ) ,
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testColorConversion ( "YUV420SP_NV21" , "YUV420P" ) ,
testColorConversion ( "YUV420SP_NV21" , "YUV420SP_NV12" ) ,
testColorConversion ( "YUV420SP_NV21" , "YUV420SP_NV21" ) ,
testColorConversion ( "YUV420SP_NV21" , "HSV" , 0.01 ) ,
testColorConversion ( "YUV420SP_NV21" , "Lab" , 0.01 ) ,
// From HSV
testColorConversion ( "HSV" , "RGBA32" ) ,
testColorConversion ( "HSV" , "BGRA32" ) ,
testColorConversion ( "HSV" , "RGB24" ) ,
testColorConversion ( "HSV" , "BGR24" ) ,
testColorConversion ( "HSV" , "GRAY8" ) ,
testColorConversion ( "HSV" , "YUV444P" ) ,
testColorConversion ( "HSV" , "YUV422P" ) ,
testColorConversion ( "HSV" , "YUV420P" ) ,
testColorConversion ( "HSV" , "YUV420SP_NV12" ) ,
testColorConversion ( "HSV" , "YUV420SP_NV21" ) ,
testColorConversion ( "HSV" , "HSV" , 0 ) ,
testColorConversion ( "HSV" , "Lab" , 0.5 ) ,
// From Lab
testColorConversion ( "Lab" , "RGBA32" , 1 ) ,
testColorConversion ( "Lab" , "BGRA32" , 1 ) ,
testColorConversion ( "Lab" , "RGB24" , 1 ) ,
testColorConversion ( "Lab" , "BGR24" , 1 ) ,
testColorConversion ( "Lab" , "GRAY8" , 1 ) ,
testColorConversion ( "Lab" , "YUV444P" , 1 ) ,
testColorConversion ( "Lab" , "YUV422P" , 1 ) ,
testColorConversion ( "Lab" , "YUV420P" , 1 ) ,
testColorConversion ( "Lab" , "YUV420SP_NV12" , 1 ) ,
testColorConversion ( "Lab" , "YUV420SP_NV21" , 1 ) ,
testColorConversion ( "Lab" , "HSV" , 0.5 ) ,
testColorConversion ( "Lab" , "Lab" , 0 ) ,
// From GRAY8
testColorConversion ( "GRAY8" , "GRAY8" ) ,
// From DEPTH
testColorConversion ( "DEPTH" , "DEPTH" , 0 , Uint16Array ) ,
] ) ;
}
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function testDraw ( ) {
return Promise . all ( [ doOneDrawTest ( "RGB24" ) ,
doOneDrawTest ( "BGR24" ) ,
doOneDrawTest ( "YUV444P" , 5 ) ,
doOneDrawTest ( "YUV422P" , 2 ) ,
doOneDrawTest ( "YUV420P" , 2 ) ,
doOneDrawTest ( "YUV420SP_NV12" , 2 ) ,
doOneDrawTest ( "YUV420SP_NV21" , 2 ) ,
doOneDrawTest ( "HSV" , 2 ) ,
doOneDrawTest ( "Lab" , 2 ) ] ) ;
}
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// Create an ImageBitmap, _bitmap_, from the _source_.
// Read the underlying data of _bitmap_ into _bitmapBuffer_.
// Compare the _bitmapBuffer_ with gGroundTruthImageData.
function testAccessing _randomTest ( sourceType , source , duration ) {
return new Promise ( function ( resolve , reject ) {
var p = createImageBitmap ( source ) ;
p . then (
function ( bitmap ) {
bitmapFormat = "RGBA32" ;
var bitmapBufferLength = bitmap . mappedDataLength ( bitmapFormat ) ;
var bitmapBuffer = new ArrayBuffer ( bitmapBufferLength ) ;
var bitmapBufferView = new Uint8ClampedArray ( bitmapBuffer , 0 , bitmapBufferLength ) ;
var promise = bitmap . mapDataInto ( bitmapFormat , bitmapBuffer , 0 ) ;
promise . then (
function ( bitmapPixelLayout ) {
// Prepare.
bitmapImageData = new ImageData ( bitmapBufferView , bitmap . width , bitmap . height ) ;
// Test.
for ( var t = 0 ; t < 50 ; ++ t ) {
var randomX = Math . floor ( Math . random ( ) * 240 ) ;
var randomY = Math . floor ( Math . random ( ) * 175 ) ;
isPixel ( sourceType , "RGBA32" , gGroundTruthImageData , bitmapImageData , randomX , randomY , duration ) ;
}
resolve ( ) ;
} ,
function ( ev ) { failed ( ev ) ; reject ( ) ; } ) ;
} ,
function ( ev ) { failed ( ev ) ; reject ( ) ; } ) ;
} ) ;
}
// Create an ImageBitmap, _bitmap_, from the _source_.
// Read the underlying data of _bitmap_ into _bitmapBuffer_.
// Create another ImageBitmap, _bitmap2_, from _bitmapBuffer_.
// Read the underlying data of _bitmap2_ into _bitmapBuffer2_.
// Compare the _bitmapBuffer2_ with gGroundTruthImageData.
function testCreateFromArrayBffer _randomTest ( sourceType , source , duration ) {
return new Promise ( function ( resolve , reject ) {
var p = createImageBitmap ( source ) ;
p . then (
function ( bitmap ) {
bitmapFormat = "RGBA32" ;
var bitmapBufferLength = bitmap . mappedDataLength ( bitmapFormat ) ;
var bitmapBuffer = new ArrayBuffer ( bitmapBufferLength ) ;
var bitmapBufferView = new Uint8ClampedArray ( bitmapBuffer , 0 , bitmapBufferLength ) ;
var promiseMapDataInto = bitmap . mapDataInto ( bitmapFormat , bitmapBuffer , 0 ) ;
promiseMapDataInto . then (
function ( bitmapPixelLayout ) {
// Create a new ImageBitmap from an ArrayBuffer.
var p2 = createImageBitmap ( bitmapBufferView ,
0 ,
bitmapBufferLength ,
bitmapFormat ,
bitmapPixelLayout ) ;
p2 . then (
function ( bitmap2 ) {
bitmapFormat2 = "RGBA32" ;
var bitmapBufferLength2 = bitmap2 . mappedDataLength ( bitmapFormat2 ) ;
var bitmapBuffer2 = new ArrayBuffer ( bitmapBufferLength2 ) ;
var bitmapBufferView2 = new Uint8ClampedArray ( bitmapBuffer2 , 0 , bitmapBufferLength2 ) ;
var promise2 = bitmap2 . mapDataInto ( bitmapFormat2 , bitmapBuffer2 , 0 ) ;
promise2 . then (
function ( bitmapPixelLayout2 ) {
// Prepare.
var bitmapImageData2 = new ImageData ( bitmapBufferView2 , bitmap2 . width , bitmap2 . height ) ;
// Test.
for ( var t = 0 ; t < 50 ; ++ t ) {
var randomX = Math . floor ( Math . random ( ) * 240 ) ;
var randomY = Math . floor ( Math . random ( ) * 175 ) ;
isPixel ( sourceType , "RGBA32" , gGroundTruthImageData , bitmapImageData2 , randomX , randomY , duration ) ;
}
resolve ( ) ;
} ,
function ( ev ) { failed ( ev ) ; reject ( ) ; } ) ;
} ,
function ( ev ) { console . log ( "p2 rejected!" ) ; failed ( ev ) ; reject ( ) ; } ) ;
} ,
function ( ev ) { console . log ( "promiseMapDataInto rejected!" ) ; failed ( ev ) ; reject ( ) ; } ) ;
} ,
function ( ev ) { failed ( ev ) ; reject ( ) ; } ) ;
} ) ;
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}
function testColorConversion ( sourceFromat , destinationFormat , tolerance , shouldThrow ) {
tolerance = tolerance || 0 ;
shouldThrow = shouldThrow || false ;
return new Promise ( function ( resolve , reject ) {
var [ srcData , dstData ] = getTestData ( sourceFromat , destinationFormat ) ;
ok ( ! ! srcData , "Get valid srcData of type:" + sourceFromat ) ;
ok ( ! ! dstData , "Get valid dstData of type:" + destinationFormat ) ;
// printInfo(sourceFromat, srcData);
// printInfo(destinationFormat, dstData);
// Create a new ImageBitmap from an ArrayBuffer.
var p = createImageBitmap ( srcData . buffer ,
0 ,
srcData . bufferLength ,
srcData . format ,
srcData . pixelLayout ) ;
p . then (
function ( srcBitmap ) {
ok ( ! ! srcBitmap , "Should get a valid srcBitmap." ) ;
ok ( srcBitmap . findOptimalFormat ( ) == sourceFromat , "srcBitmap.findOptimalFormat():" + srcBitmap . findOptimalFormat ( ) +
" should equal to sourceFromat:" + sourceFromat ) ;
var dstBufferLength = srcBitmap . mappedDataLength ( destinationFormat ) ;
var dstBuffer = new ArrayBuffer ( dstBufferLength ) ;
var dstBufferView = new dstData . ArrayType ( dstBuffer , 0 , dstBufferLength / dstData . ArrayType . BYTES _PER _ELEMENT ) ;
// Do color conversion here.
var p2 = srcBitmap . mapDataInto ( destinationFormat , dstBuffer , 0 ) ;
p2 . then (
function ( dstPixelLayout ) {
var dataPixalLayout = dstData . pixelLayout ;
// Check pixel layout.
ok ( dstPixelLayout . length == dstData . channelCount , "dstPixelLayout.length:" + dstPixelLayout . length +
" should equal to dstData.channelCount:" + dstData . channelCount ) ;
for ( var c = 0 ; c < dstData . channelCount ; ++ c ) {
var dstChannelLayout = dstPixelLayout [ c ] ;
var dataChannelLayout = dataPixalLayout [ c ] ;
ok ( dstChannelLayout . width == dataChannelLayout . width , "channel[" + c + "] dstChannelLayout.width:" + dstChannelLayout . width + " should equal to dataChannelLayout.width:" + dataChannelLayout . width ) ;
ok ( dstChannelLayout . height == dataChannelLayout . height , "channel[" + c + "] dstChannelLayout.height:" + dstChannelLayout . height + " should equal to dataChannelLayout.height:" + dataChannelLayout . height ) ;
ok ( dstChannelLayout . skip == dataChannelLayout . skip , "channel[" + c + "] dstChannelLayout.skip:" + dstChannelLayout . skip + " should equal to dataChannelLayout.skip:" + dataChannelLayout . skip ) ;
for ( var i = 0 ; i < dstChannelLayout . height ; ++ i ) {
for ( var j = 0 ; j < dstChannelLayout . width ; ++ j ) {
var byteOffset = dstChannelLayout . offset + i * dstChannelLayout . stride + j * ( dstChannelLayout . skip + 1 ) * dstData . ArrayType . BYTES _PER _ELEMENT ;
var view = new dstData . ArrayType ( dstBuffer , byteOffset , 1 ) ;
var dstBufferViewValue = view [ 0 ] ;
var dstDataValue = dstData . getPixelValue ( i , j , c ) ;
ok ( Math . abs ( dstBufferViewValue - dstDataValue ) <= tolerance ,
"[" + sourceFromat + " -> " + destinationFormat + "] pixel(" + i + "," + j + ") channnel(" + c +
"): dstBufferViewValue:" + dstBufferViewValue +
" should equal to dstDataValue:" + dstDataValue ) ;
}
}
}
resolve ( ) ;
} ,
function ( ev ) {
// If the "mapDataInto" throws, the flow goes here.
if ( ! shouldThrow ) { failed ( ev ) ; }
reject ( ) ;
}
) ;
} ,
function ( ev ) {
reject ( ev ) ;
}
) ;
} ) ;
}
2016-04-25 17:30:11 +03:00
function doOneDrawTest ( sourceFromat , tolerance ) {
tolerance = tolerance || 0 ;
var destinationFormat = "RGBA32" ;
return new Promise ( function ( resolve , reject ) {
var [ srcData , dstData ] = getTestData ( sourceFromat , destinationFormat ) ;
ok ( ! ! srcData , "Get valid srcData of type:" + sourceFromat ) ;
ok ( ! ! dstData , "Get valid dstData of type:" + destinationFormat ) ;
var p = createImageBitmap ( srcData . buffer ,
0 ,
srcData . bufferLength ,
srcData . format ,
srcData . pixelLayout ) ;
p . then (
function ( srcBitmap ) {
ok ( ! ! srcBitmap , "Should get a valid srcBitmap." ) ;
ok ( srcBitmap . findOptimalFormat ( ) == sourceFromat , "srcBitmap.findOptimalFormat():" + srcBitmap . findOptimalFormat ( ) +
" should equal to sourceFromat:" + sourceFromat ) ;
var canvas = document . createElement ( "canvas" ) ;
canvas . width = srcBitmap . width ;
canvas . height = srcBitmap . height ;
var ctx = canvas . getContext ( "2d" ) ;
ctx . drawImage ( srcBitmap , 0 , 0 , srcBitmap . width , srcBitmap . height ) ;
// Get an ImageData from the canvas.
var imageData = ctx . getImageData ( 0 , 0 , srcBitmap . width , srcBitmap . height ) ;
for ( var i = 0 ; i < srcBitmap . height ; ++ i ) {
for ( var j = 0 ; j < srcBitmap . width ; ++ j ) {
var pixelOffset = i * srcBitmap . width * dstData . channelCount + j * dstData . channelCount ;
var dstImageDataValue _R = imageData . data [ pixelOffset + 0 ] ;
var dstImageDataValue _G = imageData . data [ pixelOffset + 1 ] ;
var dstImageDataValue _B = imageData . data [ pixelOffset + 2 ] ;
var dstImageDataValue _A = imageData . data [ pixelOffset + 3 ] ;
var logPrefix = "[" + sourceFromat + " -> " + destinationFormat + "] pixel(" + i + "," + j + ")" ;
var dstDataValue _R = dstData . getPixelValue ( i , j , 0 ) ;
var dstDataValue _G = dstData . getPixelValue ( i , j , 1 ) ;
var dstDataValue _B = dstData . getPixelValue ( i , j , 2 ) ;
var dstDataValue _A = dstData . getPixelValue ( i , j , 3 ) ;
ok ( Math . abs ( dstImageDataValue _R - dstDataValue _R ) <= tolerance ,
logPrefix + "channnel(R): dstImageDataValue:" + dstImageDataValue _R + " should equal to dstDataValue_R: " + dstDataValue _R ) ;
ok ( Math . abs ( dstImageDataValue _G - dstDataValue _G ) <= tolerance ,
logPrefix + "channnel(G): dstImageDataValue:" + dstImageDataValue _G + " should equal to dstDataValue_G: " + dstDataValue _G ) ;
ok ( Math . abs ( dstImageDataValue _B - dstDataValue _B ) <= tolerance ,
logPrefix + "channnel(B): dstImageDataValue:" + dstImageDataValue _B + " should equal to dstDataValue_B: " + dstDataValue _B ) ;
ok ( Math . abs ( dstImageDataValue _A - dstDataValue _A ) <= tolerance ,
logPrefix + "channnel(A): dstImageDataValue:" + dstImageDataValue _A + " should equal to dstDataValue_A: " + dstDataValue _A ) ;
}
}
resolve ( ) ;
} ,
function ( ev ) {
failed ( ev ) ;
reject ( ev ) ;
}
) ;
} ) ;
}
