Top 10 Examples of "omggif in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'omggif' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
function generateGIF(frames, callback) {
// TODO: Weird: using a simple JS array instead of a typed array,
// the files are WAY smaller o_o. Patches/explanations welcome!
var buffer = []; // new Uint8Array(width * height * frames.length * 5);
var globalPalette;
var gifOptions = { loop: repeat };
// Using global palette but only if we're also using dithering
if(dithering !== null && palette !== null) {
globalPalette = palette;
gifOptions.palette = globalPalette;
}
var gifWriter = new GifWriter(buffer, width, height, gifOptions);
generatingGIF = true;
frames.forEach(function(frame, index) {
var framePalette;
if(!globalPalette) {
framePalette = frame.palette;
}
onRenderProgressCallback(0.75 + 0.25 * frame.position * 1.0 / frames.length);
gifWriter.addFrame(0, 0, width, height, frame.pixels, {
palette: framePalette,
delay: delay
});function generateGIF(frames, callback) {
// TODO: Weird: using a simple JS array instead of a typed array,
// the files are WAY smaller o_o. Patches/explanations welcome!
var buffer = []; // new Uint8Array(width * height * frames.length * 5);
var globalPalette;
var gifOptions = { loop: repeat };
// Using global palette but only if we're also using dithering
if(dithering !== null && palette !== null) {
globalPalette = palette;
gifOptions.palette = globalPalette;
}
var gifWriter = new GifWriter(buffer, width, height, gifOptions);
generatingGIF = true;
frames.forEach(function(frame, index) {
var framePalette;
if(!globalPalette) {
framePalette = frame.palette;
}
onRenderProgressCallback(0.75 + 0.25 * frame.position * 1.0 / frames.length);
gifWriter.addFrame(0, 0, width, height, frame.pixels, {
palette: framePalette,
delay: delay
});png.on('parsed', () => {
if (!this.encoder) {
let { width, height } = png;
this.width = width;
this.height = height;
this.gif = [];
this.encoder = new GIF(this.gif, width, height, { loop: 0 });
}
let { width, height, quality } = this;
let out = processFrame(png.data, width, height, quality);
this.encoder.addFrame(0, 0, width, height, out.pixels, {
// by spec, delay is specified in hundredths of seconds
delay: Math.round(delay / 10),
palette: out.palette
});
resolve(true);
});
png.write(buf);// GIF requires palette size be a power of 2, so pad with black
while ((num_colors & (num_colors - 1)) || (num_colors < 2)) {
palette_data.push( 0x000000 );
num_colors++;
}
this.logDebug(6, "Compressing into GIF", {
palette_size: num_colors,
transparent_index: transparent_index
} );
// construct GIF buffer
var buf = Buffer.alloc( (width * height) + 1024 );
var gf = null;
try {
gf = new OMGGIF.GifWriter( buf, width, height, { palette: palette_data } );
gf.addFrame( 0, 0, width, height, iq_pixels, { transparent: transparent_index } );
}
catch (err) {
return this.doError('gif', "GIF compression error: " + err, callback);
}
// and we're done!
this.logDebug(6, "GIF compression complete");
callback( false, buf.slice(0, gf.end()) );
}function _encodeGlobal(frames, spec, bufferSizeEst, globalPalette) {
// would be inefficient for frames to lookup colors in extended palette
const extendedGlobalPalette = {
colors: globalPalette.colors.slice(),
usesTransparency: globalPalette.usesTransparency
};
_extendPaletteToPowerOf2(extendedGlobalPalette);
const options = {
palette: extendedGlobalPalette.colors,
loop: spec.loops
};
let buffer = new Buffer(bufferSizeEst);
let gifWriter;
try {
gifWriter = new Omggif.GifWriter(buffer, spec.width, spec.height,
options);
}
catch (err) {
throw new GifError(err);
}
for (let i = 0; i < frames.length; ++i) {
buffer = _writeFrame(gifWriter, i, frames[i], globalPalette, false);
}
return new Gif(buffer.slice(0, gifWriter.end()), frames, spec);
}function pixels (file_content) {
var img = new GifReader(file_content);
var w = img.width, h = img.height;
var data = new Uint8Array(w * h * 4);
img.decodeAndBlitFrameRGBA(0, data);
return split(data, w, h);
}function _createGif(
arrayBuffer,
pImg,
successCallback,
failureCallback,
finishCallback
) {
const gifReader = new omggif.GifReader(arrayBuffer);
pImg.width = pImg.canvas.width = gifReader.width;
pImg.height = pImg.canvas.height = gifReader.height;
const frames = [];
const numFrames = gifReader.numFrames();
let framePixels = new Uint8ClampedArray(pImg.width * pImg.height * 4);
if (numFrames > 1) {
const loadGIFFrameIntoImage = (frameNum, gifReader) => {
try {
gifReader.decodeAndBlitFrameRGBA(frameNum, framePixels);
} catch (e) {
p5._friendlyFileLoadError(8, pImg.src);
if (typeof failureCallback === 'function') {
failureCallback(e);
} else {
console.error(e);
}function handleGIF(data, cb) {
var reader
try {
reader = new GifReader(data)
} catch(err) {
cb(err)
return
}
if(reader.numFrames() > 0) {
var nshape = [reader.numFrames(), reader.height, reader.width, 4]
try {
var ndata = new Uint8Array(nshape[0] * nshape[1] * nshape[2] * nshape[3])
} catch(err) {
cb(err)
return
}
var result = ndarray(ndata, nshape)
try {
for(var i=0; i.then(function (arrayBuffer) {
var data = new window.Uint8Array(arrayBuffer);
var reader = new GifReader(data);
var numFrames = reader.numFrames();
var width = reader.width;
var height = reader.height;
var prev = document.createElement('canvas');
prev.width = width;
prev.height = height;
var prevCtx = prev.getContext('2d');
var frames = [];
var duration = 0;
for (var i = 0; i < numFrames; ++i) {
var canvas = document.createElement('canvas');
canvas.width = width;
canvas.height = height;
var ctx = canvas.getContext('2d');
var imgData = ctx.createImageData(width, height);
reader.decodeAndBlitFrameRGBA(i, imgData.data);function handleGif(data, cb) {
var reader
try {
reader = new GifReader(data)
} catch(err) {
cb(err)
return
}
if(reader.numFrames() > 0) {
var nshape = [reader.numFrames(), reader.height, reader.width, 4]
var ndata = new Uint8Array(nshape[0] * nshape[1] * nshape[2] * nshape[3])
var result = ndarray(ndata, nshape)
try {
for(var i=0; i