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adding iText support #113

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181 changes: 181 additions & 0 deletions examples/interactive-text.json5
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Original file line number Diff line number Diff line change
@@ -0,0 +1,181 @@
{
width: 600,
height: 300,
outPath: "./interactiveText.mp4",
defaults: {
transition: { name: "directionalwarp" },
layer: {
fontPath: "./assets/Patua_One/PatuaOne-Regular.ttf",
},
},
clips: [
{
duration: 3,
layers: [
{ type: "rainbow-colors" },
{
type: "slide-in-text",
text: "m",
color: "#fcba03",
position: { x: 0.04, y: 0.93, originY: "bottom", originX: "left" },
fontSize: 0.3,
},
{
type: "interactive-text",
text: "at",
color: "#fcba03",
position: { x: 0.3, y: 0.93, originY: "bottom", originX: "left" },
fontSize: 0.3,
styles: [
{
lindex: 0,
cindex: 0,
style: {
strokeWidth: 3,
stroke: "white",
fill: "red",
shadow: "0px 0px 10px rgba(0,0,0,0.3)",
},
},
{
lindex: 0,
cindex: 1,
style: {
strokeWidth: 3,
stroke: "white",
fill: "red",
shadow: "0px 0px 10px rgba(0,0,0,0.3)",
},
},
],
},
],
},
{
duration: 3,
layers: [
{ type: "rainbow-colors" },
{
type: "slide-in-text",
text: "b",
color: "#fcba03",
position: { x: 0.04, y: 0.93, originY: "bottom", originX: "left" },
fontSize: 0.3,
},
{
type: "interactive-text",
text: "at",
color: "#fcba03",
position: { x: 0.23, y: 0.93, originY: "bottom", originX: "left" },
fontSize: 0.3,
styles: [
{
lindex: 0,
cindex: 0,
style: {
strokeWidth: 3,
stroke: "white",
fill: "red",
shadow: "0px 0px 10px rgba(0,0,0,0.3)",
},
},
{
lindex: 0,
cindex: 1,
style: {
strokeWidth: 3,
stroke: "white",
fill: "red",
shadow: "0px 0px 10px rgba(0,0,0,0.3)",
},
},
],
},
],
},
{
duration: 3,
layers: [
{ type: "rainbow-colors" },
{
type: "slide-in-text",
text: "f",
color: "#fcba03",
position: { x: 0.04, y: 0.93, originY: "bottom", originX: "left" },
fontSize: 0.3,
},
{
type: "interactive-text",
text: "at",
color: "#fcba03",
position: { x: 0.23, y: 0.93, originY: "bottom", originX: "left" },
fontSize: 0.3,
styles: [
{
lindex: 0,
cindex: 0,
style: {
strokeWidth: 3,
stroke: "white",
fill: "red",
shadow: "0px 0px 10px rgba(0,0,0,0.3)",
},
},
{
lindex: 0,
cindex: 1,
style: {
strokeWidth: 3,
stroke: "white",
fill: "red",
shadow: "0px 0px 10px rgba(0,0,0,0.3)",
},
},
],
},
],
},
{
duration: 3,
layers: [
{ type: "rainbow-colors" },
{
type: "slide-in-text",
text: "h",
color: "#fcba03",
position: { x: 0.04, y: 0.93, originY: "bottom", originX: "left" },
fontSize: 0.3,
},
{
type: "interactive-text",
text: "at",
color: "#fcba03",
position: { x: 0.23, y: 0.93, originY: "bottom", originX: "left" },
fontSize: 0.3,
styles: [
{
lindex: 0,
cindex: 0,
style: {
strokeWidth: 3,
stroke: "white",
fill: "red",
shadow: "0px 0px 10px rgba(0,0,0,0.3)",
},
},
{
lindex: 0,
cindex: 1,
style: {
strokeWidth: 3,
stroke: "white",
fill: "red",
shadow: "0px 0px 10px rgba(0,0,0,0.3)",
},
},
],
},
],
},
],
}
2 changes: 1 addition & 1 deletion parseConfig.js
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Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ async function parseConfig({ defaults: defaultsIn = {}, clips, arbitraryAudio: a
return outLayers;
}

if (['title', 'subtitle', 'news-title', 'slide-in-text'].includes(type)) {
if (['title', 'subtitle', 'news-title', 'slide-in-text','interactive-text'].includes(type)) {
assert(layer.text, 'Please specify a text');

let { fontFamily } = layer;
Expand Down
33 changes: 33 additions & 0 deletions sources/fabric/fabricFrameSources.js
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Original file line number Diff line number Diff line change
Expand Up @@ -397,6 +397,38 @@ async function slideInTextFrameSource({ width, height, params: { position, text,
return { onRender };
}

async function interactiveTextFrameSource({ width, height, params: { position, text, fontSize, charSpacing = 0.1, color , fontFamily = defaultFontFamily,styles } = {} }) {
async function onRender(progress, canvas) {
const fontSizeAbs = Math.round(width * fontSize || 0.05);
let stylesMap = new Map();
if (styles) {
styles.forEach((item) => {
LayerStyleItem = stylesMap[item.lindex] || new Map();
LayerStyleItem[item.cindex] = item.style;
stylesMap[item.lindex] = LayerStyleItem
});
}
const { left, top, originX, originY } = getPositionProps({ position, width, height });
const textBox = new fabric.IText(text, {
fill: color|| '#ffffff',
fontFamily,
fontSize: fontSizeAbs,
charSpacing: width * charSpacing,
styles: stylesMap
});
textBox.setOptions({
originX,
originY,
top,
left

});
canvas.add(textBox);
}
return { onRender };
}


async function customFabricFrameSource({ canvas, width, height, params }) {
return params.func(({ width, height, fabric, canvas, params }));
}
Expand All @@ -412,4 +444,5 @@ module.exports = {
imageFrameSource,
imageOverlayFrameSource,
slideInTextFrameSource,
interactiveTextFrameSource
};
3 changes: 2 additions & 1 deletion sources/frameSource.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ const pMap = require('p-map');

const { rgbaToFabricImage, createCustomCanvasFrameSource, createFabricFrameSource, createFabricCanvas, renderFabricCanvas } = require('./fabric');

const { customFabricFrameSource, subtitleFrameSource, titleFrameSource, newsTitleFrameSource, fillColorFrameSource, radialGradientFrameSource, linearGradientFrameSource, imageFrameSource, imageOverlayFrameSource, slideInTextFrameSource } = require('./fabric/fabricFrameSources');
const { customFabricFrameSource, subtitleFrameSource, titleFrameSource, newsTitleFrameSource,fillColorFrameSource, radialGradientFrameSource, linearGradientFrameSource, imageFrameSource, imageOverlayFrameSource, slideInTextFrameSource, interactiveTextFrameSource } = require('./fabric/fabricFrameSources');

const createVideoFrameSource = require('./videoFrameSource');
const { createGlFrameSource } = require('./glFrameSource');
Expand All @@ -19,6 +19,7 @@ const fabricFrameSources = {
'fill-color': fillColorFrameSource,
'news-title': newsTitleFrameSource,
'slide-in-text': slideInTextFrameSource,
'interactive-text': interactiveTextFrameSource,
};

async function createFrameSource({ clip, clipIndex, width, height, channels, verbose, logTimes, ffmpegPath, ffprobePath, enableFfmpegLog, framerateStr }) {
Expand Down