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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /image/test/unit/test_encoder_apng.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | image/test/unit/test_encoder_apng.js | 582 |
1 files changed, 582 insertions, 0 deletions
diff --git a/image/test/unit/test_encoder_apng.js b/image/test/unit/test_encoder_apng.js new file mode 100644 index 0000000000..f055a0335f --- /dev/null +++ b/image/test/unit/test_encoder_apng.js @@ -0,0 +1,582 @@ +/* + * Test for APNG encoding in ImageLib + * + */ + +// dispose=[none|background|previous] +// blend=[source|over] + +var apng1A = { + // A 3x3 image with 3 frames, alternating red, green, blue. RGB format. + width: 3, + height: 3, + skipFirstFrame: false, + format: Ci.imgIEncoder.INPUT_FORMAT_RGB, + transparency: null, + plays: 0, + + frames: [ + { + // frame #1 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGB, + stride: 9, + transparency: null, + + pixels: [ + 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, + 0, 0, 255, 0, 0, 255, 0, 0, + ], + }, + + { + // frame #2 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGB, + stride: 9, + transparency: null, + + pixels: [ + 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, + 255, 0, 0, 255, 0, 0, 255, 0, + ], + }, + + { + // frame #3 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGB, + stride: 9, + transparency: null, + + pixels: [ + 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, + 255, 0, 0, 255, 0, 0, 255, + ], + }, + ], + expected: + "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAIAAADZSiLoAAAACGFjVEwAAAADAAAAAM7tusAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AAAdRYgGAAAAA9JREFUCFtj/M8ABYxYWAA5IQMBD9nE1QAAABpmY1RMAAAAAQAAAAMAAAADAAAAAAAAAAAB9APoAADuZcrMAAAAFGZkQVQAAAACCFtjZPjPAAGMWFgANiQDAVBdoI8AAAAaZmNUTAAAAAMAAAADAAAAAwAAAAAAAAAAAfQD6AAAA/MZJQAAABVmZEFUAAAABAhbY2Rg+M8ABoxYWAAzJwMBWk5KPwAAAABJRU5ErkJggg==", +}; + +var apng1B = { + // A 3x3 image with 3 frames, alternating red, green, blue. RGBA format. + width: 3, + height: 3, + skipFirstFrame: false, + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + transparency: null, + plays: 0, + + frames: [ + { + // frame #1 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, + 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, + ], + }, + + { + // frame #2 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, + 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, + ], + }, + + { + // frame #3 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, + 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, + 255, + ], + }, + ], + expected: + "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAADAAAAAM7tusAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AAAdRYgGAAAABJJREFUCFtj/M/AAEQQwIiTAwCM6AX+t+X3FQAAABpmY1RMAAAAAQAAAAMAAAADAAAAAAAAAAAB9APoAADuZcrMAAAAFWZkQVQAAAACCFtjZPgPhFDAiJMDAInrBf4Q0nfOAAAAGmZjVEwAAAADAAAAAwAAAAMAAAAAAAAAAAH0A+gAAAPzGSUAAAAWZmRBVAAAAAQIW2NkYPj/nwEKGHFyAIbuBf50PCpiAAAAAElFTkSuQmCC", +}; + +var apng1C = { + // A 3x3 image with 3 frames, alternating red, green, blue. RGBA format. + // The first frame is skipped, so it will only flash green/blue (or static red in an APNG-unaware viewer) + width: 3, + height: 3, + skipFirstFrame: true, + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + transparency: null, + plays: 0, + + frames: [ + { + // frame #1 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, + 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, + ], + }, + + { + // frame #2 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, + 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, 0, 255, + ], + }, + + { + // frame #3 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, + 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, + 255, + ], + }, + ], + expected: + "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAACAAAAAPONk3AAAAASSURBVAhbY/zPwABEEMCIkwMAjOgF/rfl9xUAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AAAdRYgGAAAABVmZEFUAAAAAQhbY2T4D4RQwIiTAwCJ6wX++lSqrAAAABpmY1RMAAAAAgAAAAMAAAADAAAAAAAAAAAB9APoAACYgPPxAAAAFmZkQVQAAAADCFtjZGD4/58BChhxcgCG7gX+PgKhKQAAAABJRU5ErkJggg==", +}; + +var apng2A = { + // A 3x3 image with 3 frames, alternating red, green, blue. RGBA format. + // blend = over mode + // (The green frame is a horizontal gradient, and the blue frame is a + // vertical gradient. They stack as they animate.) + width: 3, + height: 3, + skipFirstFrame: false, + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + transparency: null, + plays: 0, + + frames: [ + { + // frame #1 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, + 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, + ], + }, + + { + // frame #2 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "over", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 0, 255, 0, 255, 0, 255, 0, 180, 0, 255, 0, 75, 0, 255, 0, 255, 0, 255, + 0, 180, 0, 255, 0, 75, 0, 255, 0, 255, 0, 255, 0, 180, 0, 255, 0, 75, + ], + }, + + { + // frame #3 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "over", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 0, 0, 255, 75, 0, 0, 255, 75, 0, 0, 255, 75, 0, 0, 255, 180, 0, 0, 255, + 180, 0, 0, 255, 180, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, + ], + }, + ], + expected: + "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAADAAAAAM7tusAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AAAdRYgGAAAABJJREFUCFtj/M/AAEQQwIiTAwCM6AX+t+X3FQAAABpmY1RMAAAAAQAAAAMAAAADAAAAAAAAAAAB9APoAAGZYvpaAAAAGWZkQVQAAAACCFtjZPgPhAwMW4F4OiNODgDI3wnis0vjTAAAABpmY1RMAAAAAwAAAAMAAAADAAAAAAAAAAAB9APoAAF09CmzAAAAHGZkQVQAAAAECFtjZGD4780ABYxAzhZkzn8YBwBn4AT/ernr+wAAAABJRU5ErkJggg==", +}; + +var apng2B = { + // A 3x3 image with 3 frames, alternating red, green, blue. RGBA format. + // blend = over, dispose = background + // (The green frame is a horizontal gradient, and the blue frame is a + // vertical gradient. Each frame is displayed individually, blended to + // whatever the background is.) + width: 3, + height: 3, + skipFirstFrame: false, + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + transparency: null, + plays: 0, + + frames: [ + { + // frame #1 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "background", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, + 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, + ], + }, + + { + // frame #2 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "background", + blend: "over", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 0, 255, 0, 255, 0, 255, 0, 180, 0, 255, 0, 75, 0, 255, 0, 255, 0, 255, + 0, 180, 0, 255, 0, 75, 0, 255, 0, 255, 0, 255, 0, 180, 0, 255, 0, 75, + ], + }, + + { + // frame #3 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "background", + blend: "over", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 0, 0, 255, 75, 0, 0, 255, 75, 0, 0, 255, 75, 0, 0, 255, 180, 0, 0, 255, + 180, 0, 0, 255, 180, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, + ], + }, + ], + expected: + "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAADAAAAAM7tusAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AEAbA0RWQAAABJJREFUCFtj/M/AAEQQwIiTAwCM6AX+t+X3FQAAABpmY1RMAAAAAQAAAAMAAAADAAAAAAAAAAAB9APoAQGAecsbAAAAGWZkQVQAAAACCFtjZPgPhAwMW4F4OiNODgDI3wnis0vjTAAAABpmY1RMAAAAAwAAAAMAAAADAAAAAAAAAAAB9APoAQFt7xjyAAAAHGZkQVQAAAAECFtjZGD4780ABYxAzhZkzn8YBwBn4AT/ernr+wAAAABJRU5ErkJggg==", +}; + +var apng3 = { + // A 3x3 image with 4 frames. First frame is white, then 1x1 frames draw a diagonal line + width: 3, + height: 3, + skipFirstFrame: false, + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + transparency: null, + plays: 0, + + frames: [ + { + // frame #1 + width: 3, + height: 3, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [ + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, + ], + }, + + { + // frame #2 + width: 1, + height: 1, + x_offset: 0, + y_offset: 0, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [0, 0, 0, 255], + }, + + { + // frame #3 + width: 1, + height: 1, + x_offset: 1, + y_offset: 1, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [0, 0, 0, 255], + }, + + { + // frame #4 + width: 1, + height: 1, + x_offset: 2, + y_offset: 2, + dispose: "none", + blend: "source", + delay: 500, + + format: Ci.imgIEncoder.INPUT_FORMAT_RGBA, + stride: 12, + + pixels: [0, 0, 0, 255], + }, + ], + + expected: + "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAACGFjVEwAAAAEAAAAAHzNZtAAAAAaZmNUTAAAAAAAAAADAAAAAwAAAAAAAAAAAfQD6AAAdRYgGAAAABFJREFUCFtj/A8EDFDAiJMDABlqC/jamhxvAAAAGmZjVEwAAAABAAAAAQAAAAEAAAAAAAAAAAH0A+gAADJXfawAAAARZmRBVAAAAAIIW2NgYGD4DwABBAEA0iEgKQAAABpmY1RMAAAAAwAAAAEAAAABAAAAAQAAAAEB9APoAAC4OHoxAAAAEWZkQVQAAAAECFtjYGBg+A8AAQQBACrja58AAAAaZmNUTAAAAAUAAAABAAAAAQAAAAIAAAACAfQD6AAA/fh01wAAABFmZEFUAAAABghbY2BgYPgPAAEEAQDLja8yAAAAAElFTkSuQmCC", +}; + +// Main test entry point. +function run_test() { + dump("Checking apng1A...\n"); + run_test_for(apng1A); + dump("Checking apng1B...\n"); + run_test_for(apng1B); + dump("Checking apng1C...\n"); + run_test_for(apng1C); + + dump("Checking apng2A...\n"); + run_test_for(apng2A); + dump("Checking apng2B...\n"); + run_test_for(apng2B); + + dump("Checking apng3...\n"); + run_test_for(apng3); +} + +function run_test_for(input) { + var encoder, dataURL; + + encoder = encodeImage(input); + dataURL = makeDataURL(encoder, "image/png"); + Assert.equal(dataURL, input.expected); +} + +function encodeImage(input) { + var encoder = + Cc["@mozilla.org/image/encoder;2?type=image/png"].createInstance(); + encoder.QueryInterface(Ci.imgIEncoder); + + var options = ""; + if (input.transparency) { + options += "transparency=" + input.transparency; + } + options += ";frames=" + input.frames.length; + options += ";skipfirstframe=" + (input.skipFirstFrame ? "yes" : "no"); + options += ";plays=" + input.plays; + encoder.startImageEncode(input.width, input.height, input.format, options); + + for (var i = 0; i < input.frames.length; i++) { + var frame = input.frames[i]; + + options = ""; + if (frame.transparency) { + options += "transparency=" + input.transparency; + } + options += ";delay=" + frame.delay; + options += ";dispose=" + frame.dispose; + options += ";blend=" + frame.blend; + if (frame.x_offset > 0) { + options += ";xoffset=" + frame.x_offset; + } + if (frame.y_offset > 0) { + options += ";yoffset=" + frame.y_offset; + } + + encoder.addImageFrame( + frame.pixels, + frame.pixels.length, + frame.width, + frame.height, + frame.stride, + frame.format, + options + ); + } + + encoder.endImageEncode(); + + return encoder; +} + +function makeDataURL(encoder, mimetype) { + var rawStream = encoder.QueryInterface(Ci.nsIInputStream); + + var stream = Cc["@mozilla.org/binaryinputstream;1"].createInstance(); + stream.QueryInterface(Ci.nsIBinaryInputStream); + + stream.setInputStream(rawStream); + + var bytes = stream.readByteArray(stream.available()); // returns int[] + + var base64String = toBase64(bytes); + + return "data:" + mimetype + ";base64," + base64String; +} + +/* toBase64 copied from extensions/xml-rpc/src/nsXmlRpcClient.js */ + +/* Convert data (an array of integers) to a Base64 string. */ +const toBase64Table = + // eslint-disable-next-line no-useless-concat + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" + "0123456789+/"; +const base64Pad = "="; +function toBase64(data) { + var result = ""; + var length = data.length; + var i; + // Convert every three bytes to 4 ascii characters. + for (i = 0; i < length - 2; i += 3) { + result += toBase64Table[data[i] >> 2]; + result += toBase64Table[((data[i] & 0x03) << 4) + (data[i + 1] >> 4)]; + result += toBase64Table[((data[i + 1] & 0x0f) << 2) + (data[i + 2] >> 6)]; + result += toBase64Table[data[i + 2] & 0x3f]; + } + + // Convert the remaining 1 or 2 bytes, pad out to 4 characters. + if (length % 3) { + i = length - (length % 3); + result += toBase64Table[data[i] >> 2]; + if (length % 3 == 2) { + result += toBase64Table[((data[i] & 0x03) << 4) + (data[i + 1] >> 4)]; + result += toBase64Table[(data[i + 1] & 0x0f) << 2]; + result += base64Pad; + } else { + result += toBase64Table[(data[i] & 0x03) << 4]; + result += base64Pad + base64Pad; + } + } + + return result; +} |