mirror/piskel
1
0
Fork 0
mirror of https://github.com/piskelapp/piskel.git synced 2023-08-10 21:12:52 +03:00
Code Issues Projects Releases Wiki Activity

Rework pixel storage, manipulation, rendering

Browse Source
This commit is contained in:
Dávid Szabó 2016-08-24 23:07:36 +02:00 committed by Julian Descottes
parent 06abdca62e
commit f5c98cf0b3
14 changed files with 242 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

84
src/js/model/Frame.js
View File

@ -14,28 +14,57 @@
}
};
ns.Frame.fromPixelGrid = function (pixels) {
if (pixels.length && pixels[0].length) {
var w = pixels.length;
var h = pixels[0].length;
ns.Frame.fromPixelGrid = function (pixels, width, height) {
if (pixels.length) {
if (pixels[0].length) {
var w = pixels.length;
var h = pixels[0].length;
var buffer = [];
for (var y = 0; y < h; y++) {
for (var x = 0; x < w; x++ ) {
if (typeof pixels[x][y] == 'string') {
buffer[y * w + x] = pskl.utils.colorToInt(pixels[x][y]);
} else {
buffer[y * w + x] = pixels[x][y];
}
}
}
} else if (width && height) {
var w = width;
var h = height;
buffer = pixels;
} else {
throw 'Bad arguments in pskl.model.frame.fromPixelGrid, missing width and height';
}
var frame = new pskl.model.Frame(w, h);
frame.setPixels(pixels);
frame.setPixels(buffer);
return frame;
} else {
throw 'Bad arguments in pskl.model.Frame.fromPixelGrid : ' + pixels;
console.error(pixels);
throw 'Bad arguments in pskl.model.Frame.fromPixelGrid';
}
};
var _emptyPixelGridCache = {};
ns.Frame.createEmptyPixelGrid_ = function (width, height) {
var pixels = [];
for (var columnIndex = 0 ; columnIndex < width ; columnIndex++) {
var columnArray = [];
for (var heightIndex = 0 ; heightIndex < height ; heightIndex++) {
columnArray.push(Constants.TRANSPARENT_COLOR);
var pixels;
var key = width+"-"+height;
if (_emptyPixelGridCache[key]) {
pixels = _emptyPixelGridCache[key];
} else {
pixels = _emptyPixelGridCache[key] = new Uint32Array(width * height);
var transparentColorInt = pskl.utils.colorToInt(Constants.TRANSPARENT_COLOR);
if (!pixels.fill) { // PhantomJS ='(
for (var i = 0; i < width * height; i++) {
pixels[i] = transparentColorInt;
}
} else {
pixels.fill(transparentColorInt);
}
pixels[columnIndex] = columnArray;
}
return pixels;
return new Uint32Array(pixels);
};
ns.Frame.createEmptyFromFrame = function (frame) {
@ -44,7 +73,7 @@
ns.Frame.prototype.clone = function () {
var clone = new ns.Frame(this.width, this.height);
clone.setPixels(this.getPixels());
clone.setPixels(this.pixels);
return clone;
};
@ -64,8 +93,9 @@
};
ns.Frame.prototype.clear = function () {
var pixels = ns.Frame.createEmptyPixelGrid_(this.getWidth(), this.getHeight());
this.setPixels(pixels);
this.pixels = ns.Frame.createEmptyPixelGrid_(this.getWidth(), this.getHeight());
this.version++;
// this.setPixels(pixels);
};
/**
@ -73,11 +103,10 @@
* @private
*/
ns.Frame.prototype.clonePixels_ = function (pixels) {
var clonedPixels = [];
for (var col = 0 ; col < pixels.length ; col++) {
clonedPixels[col] = pixels[col].slice(0 , pixels[col].length);
}
return clonedPixels;
//npixels = new Uint32Array(pixels.length);
//npixels.set(pixels);
return new Uint32Array(pixels);
};
ns.Frame.prototype.getHash = function () {
@ -86,9 +115,14 @@
ns.Frame.prototype.setPixel = function (x, y, color) {
if (this.containsPixel(x, y)) {
var p = this.pixels[x][y];
var index = y * this.width + x;
var p = this.pixels[index];
if (typeof color === 'string') {
color = pskl.utils.colorToInt(color);
}
if (p !== color) {
this.pixels[x][y] = color || Constants.TRANSPARENT_COLOR;
this.pixels[index] = color || pskl.utils.colorToInt(Constants.TRANSPARENT_COLOR);
this.version++;
}
}
@ -96,7 +130,7 @@
ns.Frame.prototype.getPixel = function (x, y) {
if (this.containsPixel(x, y)) {
return this.pixels[x][y];
return this.pixels[y * this.width + x];
} else {
return null;
}
@ -107,7 +141,7 @@
var height = this.getHeight();
for (var x = 0 ; x < width ; x++) {
for (var y = 0 ; y < height ; y++) {
callback(this.pixels[x][y], x, y, this);
callback(this.pixels[y * this.width + x], x, y, this);
}
}
};

11
src/js/rendering/FramesheetRenderer.js
View File

@ -30,12 +30,11 @@
ns.FramesheetRenderer.prototype.drawFrameInCanvas_ = function (frame, canvas, offsetWidth, offsetHeight) {
var context = canvas.getContext('2d');
frame.forEachPixel(function (color, x, y) {
if (color != Constants.TRANSPARENT_COLOR) {
context.fillStyle = color;
context.fillRect(x + offsetWidth, y + offsetHeight, 1, 1);
}
});
var imageData = context.createImageData(frame.getWidth(), frame.getHeight());
var pixels = frame.getPixels();
var data = new Uint8ClampedArray(pixels.buffer);
imageData.data.set(data);
context.putImageData(imageData, offsetWidth, offsetHeight);
};
ns.FramesheetRenderer.prototype.createCanvas_ = function (columns, rows) {

5
src/js/tools/drawing/ColorSwap.js
View File

@ -56,10 +56,9 @@
};
ns.ColorSwap.prototype.applyToolOnFrame_ = function (frame, oldColor, newColor) {
oldColor = oldColor.toUpperCase();
frame.forEachPixel(function (color, col, row) {
if (color && color.toUpperCase() == oldColor) {
frame.pixels[col][row] = newColor;
if (color && color == oldColor) {
frame.setPixel(col, row, newColor);
}
});
frame.version++;

8
src/js/tools/drawing/Lighten.js
View File

@ -43,10 +43,10 @@
var overlayColor = overlay.getPixel(col, row);
var frameColor = frame.getPixel(col, row);
var isPixelModified = overlayColor !== Constants.TRANSPARENT_COLOR;
var isPixelModified = overlayColor !== pskl.utils.colorToInt(Constants.TRANSPARENT_COLOR);
var pixelColor = isPixelModified ? overlayColor : frameColor;
var isTransparent = pixelColor === Constants.TRANSPARENT_COLOR;
var isTransparent = pixelColor === pskl.utils.colorToInt(Constants.TRANSPARENT_COLOR);
if (isTransparent) {
return Constants.TRANSPARENT_COLOR;
}
@ -61,9 +61,9 @@
var color;
if (isDarken) {
color = window.tinycolor.darken(pixelColor, step);
color = window.tinycolor.darken(pskl.utils.intToColor(pixelColor), step);
} else {
color = window.tinycolor.lighten(pixelColor, step);
color = window.tinycolor.lighten(pskl.utils.intToColor(pixelColor), step);
}
// Convert tinycolor color to string format.

13
src/js/tools/transform/TransformUtils.js
View File

@ -15,7 +15,7 @@
} else if (axis === ns.TransformUtils.HORIZONTAL) {
y = h - y - 1;
}
frame.pixels[x][y] = color;
frame.setPixel(x, y, color);
});
frame.version++;
return frame;
@ -55,9 +55,9 @@
x = x - xDelta;
y = y - yDelta;
if (clone.containsPixel(x, y)) {
frame.pixels[_x][_y] = clone.getPixel(x, y);
frame.setPixel(_x, _y, clone.getPixel(x, y));
} else {
frame.pixels[_x][_y] = Constants.TRANSPARENT_COLOR;
frame.setPixel(_x, _y, Constants.TRANSPARENT_COLOR);
}
});
frame.version++;
@ -70,8 +70,9 @@
var miny = frame.height;
var maxx = 0;
var maxy = 0;
var transparentColorInt = pskl.utils.colorToInt(Constants.TRANSPARENT_COLOR);
frame.forEachPixel(function (color, x, y) {
if (color !== Constants.TRANSPARENT_COLOR) {
if (color !== transparentColorInt) {
minx = Math.min(minx, x);
maxx = Math.max(maxx, x);
miny = Math.min(miny, y);
@ -98,9 +99,9 @@
y -= dy;
if (clone.containsPixel(x, y)) {
frame.pixels[_x][_y] = clone.getPixel(x, y);
frame.setPixel(_x, _y, clone.getPixel(x, y));
} else {
frame.pixels[_x][_y] = Constants.TRANSPARENT_COLOR;
frame.setPixel(_x, _y, Constants.TRANSPARENT_COLOR);
}
});
frame.version++;

65
src/js/utils/FrameUtils.js
View File

@ -1,6 +1,8 @@
(function () {
var ns = $.namespace('pskl.utils');
var colorCache = {};
var offCanvasPool = {};
var imageDataPool = {};
ns.FrameUtils = {
/**
* Render a Frame object as an image.
@ -28,7 +30,12 @@
* @param {String} globalAlpha (optional) global frame opacity
*/
drawToCanvas : function (frame, canvas, transparentColor, globalAlpha) {
var context = canvas.getContext('2d');
var context;
if (canvas.context) {
context = canvas.context;
} else {
context = canvas.context = canvas.getContext('2d');
}
globalAlpha = isNaN(globalAlpha) ? 1 : globalAlpha;
context.globalAlpha = globalAlpha;
transparentColor = transparentColor || Constants.TRANSPARENT_COLOR;
@ -37,26 +44,49 @@
context.fillRect(transparentColor, 0, 0, frame.getWidth(), frame.getHeight());
context.drawImage(frame.getRenderedFrame(), 0, 0);
} else {
for (var x = 0, width = frame.getWidth() ; x < width ; x++) {
for (var y = 0, height = frame.getHeight() ; y < height ; y++) {
var color = frame.getPixel(x, y);
var w = frame.getWidth();
var h = frame.getHeight();
var pixels = frame.pixels;
// accumulate all the pixels of the same color to speed up rendering
// by reducting fillRect calls
var w = 1;
while (color === frame.getPixel(x, y + w) && (y + w) < height) {
w++;
// Replace transparent color
var constantTransparentColorInt = pskl.utils.colorToInt(Constants.TRANSPARENT_COLOR);
var transparentColorInt = pskl.utils.colorToInt(transparentColor);
if (transparentColorInt != constantTransparentColorInt) {
pixels = frame.getPixels();
for (var i = 0; i < pixels.length; i++) {
if (pixels[i] == constantTransparentColorInt) {
pixels[i] = transparentColorInt;
}
if (color == Constants.TRANSPARENT_COLOR) {
color = transparentColor;
}
pskl.utils.FrameUtils.renderLine_(color, x, y, w, context);
y = y + w - 1;
}
}
// Imagedata from cache
var imageDataKey = w+"-"+h;
var imageData;
if (!imageDataPool[imageDataKey]) {
imageData = imageDataPool[imageDataKey] = context.createImageData(w, h);
} else {
imageData = imageDataPool[imageDataKey];
}
// Convert to uint8 and set the data
var data = new Uint8ClampedArray(pixels.buffer);
var imgDataData = imageData.data;
imgDataData.set(data);
// Offcanvas from cache
var offCanvasKey = w+"-"+h;
var offCanvas;
if (!offCanvasPool[offCanvasKey]) {
offCanvas = offCanvasPool[offCanvasKey] = pskl.utils.CanvasUtils.createCanvas(w, h);
offCanvas.context = offCanvas.getContext('2d');
} else {
offCanvas = offCanvasPool[offCanvasKey];
}
// Put pixel data to offcanvas and draw the offcanvas onto the canvas
offCanvas.context.putImageData(imageData, 0, 0);
context.drawImage(offCanvas, 0, 0, w, h);
context.globalAlpha = 1;
}
},
@ -90,8 +120,9 @@
},
mergeFrames_ : function (frameA, frameB) {
var transparentColorInt = pskl.utils.colorToInt(Constants.TRANSPARENT_COLOR);
frameB.forEachPixel(function (color, col, row) {
if (color != Constants.TRANSPARENT_COLOR) {
if (color != transparentColorInt) {
frameA.setPixel(col, row, color);
}
});

94
src/js/utils/core.js
View File

@ -91,13 +91,12 @@ if (!Function.prototype.bind) {
};
ns.hashCode = function(str) {
var hash = 0;
if (str.length !== 0) {
for (var i = 0, l = str.length; i < l; i++) {
var chr = str.charCodeAt(i);
hash = ((hash << 5) - hash) + chr;
var hash = 0, i, chr, len;
if (str.length === 0) return hash;
for (i = 0, len = str.length; i < len; i++) {
chr = str.charCodeAt(i);
hash = hash * 31 + chr;
hash |= 0; // Convert to 32bit integer
}
}
return hash;
};
@ -120,6 +119,89 @@ if (!Function.prototype.bind) {
});
};
var colorCache = {};
ns.colorToInt = function (color) {
if (typeof color === 'number') {
return color;
}
if (typeof colorCache[color] !== 'undefined') {
return colorCache[color];
}
var intValue = 0;
// Hexadecimal
if ((color.length == 9 || color.length == 7 || color.length == 3) && color[0] == '#') {
var hex = parseInt(color.substr(1), 16);
if (color.length == 9) {
r = hex >> 24 & 0xff;
g = hex >> 16 & 0xff;
b = hex >> 8 & 0xff;
a = hex & 0xff;
} else if (color.length == 7) {
r = hex >> 16 & 0xff;
g = hex >> 8 & 0xff;
b = hex & 0xff;
a = 255;
} else {
r = hex >> 8 & 0xf * 16;
g = hex >> 4 & 0xf * 16;
b = hex & 0xf * 16;
a = 255;
}
} else if (color.length > 5 && color.substr(0, 5) == 'rgba(') { // RGBA
var rgba = color.substr(5).slice(0, -1).split(',');
r = parseInt(rgba[0]);
g = parseInt(rgba[1]);
b = parseInt(rgba[2]);
a = Math.floor(parseFloat(rgba[3]) * 255);
} else if (color.length > 4 && color.substr(0, 4) == 'rgb(') { // RGB
var rgb = color.substr(4).slice(0, -1).split(',');
r = parseInt(rgb[0]);
g = parseInt(rgb[1]);
b = parseInt(rgb[2]);
} else { // NO HOPE
// Determine color by using the browser itself
d = document.createElement("div");
d.style.color = color;
document.body.appendChild(d);
// Color in RGB
color = window.getComputedStyle(d).color;
document.body.removeChild(d);
return pskl.utils.colorToInt(color);
}
intValue = (a << 24 >>> 0) + (b << 16) + (g << 8) + r;
colorCache[color] = intValue;
colorCacheReverse[intValue] = color;
return intValue;
};
var colorCacheReverse = {};
ns.intToColor = function(intValue) {
if (typeof colorCache[color] !== 'undefined') {
return colorCache[color];
}
if (typeof colorCacheReverse[intValue] !== 'undefined') {
return colorCacheReverse[intValue];
}
var r = intValue & 0xff;
var g = intValue >> 8 & 0xff;
var b = intValue >> 16 & 0xff;
var a = (intValue >> 24 >>> 0 & 0xff) / 255;
var color = 'rgba('+r+','+g+','+b+','+a+')';
colorCache[color] = intValue;
colorCacheReverse[intValue] = color;
return color;
};
var reEntityMap = {};
ns.unescapeHtml = function (string) {
Object.keys(entityMap).forEach(function(key) {

4
src/js/utils/serialization/Deserializer.js
View File

@ -60,10 +60,12 @@
};
ns.Deserializer.prototype.loadExpandedLayer = function (layerData, index) {
var width = this.piskel_.getWidth();
var height = this.piskel_.getHeight();
var layer = new pskl.model.Layer(layerData.name);
layer.setOpacity(layerData.opacity);
var frames = layerData.grids.map(function (grid) {
return pskl.model.Frame.fromPixelGrid(grid);
return pskl.model.Frame.fromPixelGrid(grid, width, height);
});
this.addFramesToLayer(frames, layer, index);
return layer;

2
src/js/utils/serialization/Serializer.js
View File

@ -28,7 +28,7 @@
frameCount : frames.length
};
if (expanded) {
layerToSerialize.grids = frames.map(function (f) {return f.pixels;});
layerToSerialize.grids = frames.map(function (f) {return Array.prototype.slice.call(f.pixels);});
return layerToSerialize;
} else {
var renderer = new pskl.rendering.FramesheetRenderer(frames);

6
src/js/worker/framecolors/FrameColors.js
View File

@ -2,7 +2,7 @@
var ns = $.namespace('pskl.worker.framecolors');
ns.FrameColors = function (frame, onSuccess, onStep, onError) {
this.serializedFrame = JSON.stringify(frame.pixels);
this.pixels = frame.pixels;
this.onStep = onStep;
this.onSuccess = onSuccess;
@ -13,9 +13,7 @@
};
ns.FrameColors.prototype.process = function () {
this.worker.postMessage({
serializedFrame : this.serializedFrame
});
this.worker.postMessage(this.pixels);
};
ns.FrameColors.prototype.onWorkerMessage = function (event) {

12
src/js/worker/framecolors/FrameColorsWorker.js
View File

@ -36,10 +36,11 @@
var getFrameColors = function (frame) {
var frameColors = {};
for (var x = 0 ; x < frame.length ; x++) {
for (var y = 0 ; y < frame[x].length ; y++) {
var color = frame[x][y];
var hexColor = toHexString_(color);
var transparentColorInt = 0; // TODO: Fix magic number
for (var i = 0; i < frame.length; i++) {
var color = frame[i];
if (color !== transparentColorInt) {
var hexColor = rgbToHex(color & 0xff, color >> 16 & 0xff, color >> 8 & 0xff);
frameColors[hexColor] = true;
}
}
@ -48,8 +49,7 @@
this.onmessage = function(event) {
try {
var data = event.data;
var frame = JSON.parse(data.serializedFrame);
var frame = event.data;
var colors = getFrameColors(frame);
this.postMessage({
type : 'SUCCESS',

8
test/js/rendering/CanvasRendererTest.js
View File

@ -18,9 +18,9 @@ describe("Canvas Renderer test", function() {
var frameFromCanvas = pskl.utils.FrameUtils.createFromImage(canvas);
expect(frameFromCanvas.getPixel(0,0)).toBe(BLACK);
expect(frameFromCanvas.getPixel(0,1)).toBe(WHITE);
expect(frameFromCanvas.getPixel(1,0)).toBe(WHITE);
expect(frameFromCanvas.getPixel(1,1)).toBe(BLACK);
test.testutils.colorEqualsColor(frameFromCanvas.getPixel(0,0), BLACK);
test.testutils.colorEqualsColor(frameFromCanvas.getPixel(0,1), WHITE);
test.testutils.colorEqualsColor(frameFromCanvas.getPixel(1,0), WHITE);
test.testutils.colorEqualsColor(frameFromCanvas.getPixel(1,1), BLACK);
});
});

2
test/js/selection/SelectionManagerTest.js
View File

@ -198,7 +198,7 @@ describe("SelectionManager suite", function() {
var checkContainsPixel = function (pixels, row, col, color) {
var containsPixel = pixels.some(function (pixel) {
return pixel.row == row && pixel.col == col && pixel.color == color;
return pixel.row == row && pixel.col == col && test.testutils.compareColor(pixel.color, color);
});
expect(containsPixel).toBe(true);
};

14
test/js/testutils/TestUtils.js
View File

@ -38,7 +38,7 @@
ns.frameEqualsGrid = function (frame, grid) {
frame.forEachPixel(function (color, col, row) {
expect(color).toBe(grid[row][col]);
ns.colorEqualsColor(color, grid[row][col]);
});
};
@ -47,10 +47,18 @@
for (var y = 0 ; y < grid[x].length ; y++) {
var expected = tinycolor(grid[x][y]).toRgbString();
var color = tinycolor(ns.getRgbaAt(image, x, y)).toRgbString();
expect(color).toBe(expected);
ns.colorEqualsColor(color, expected);
}
}
}
};
ns.compareColor = function(colorA, colorB) {
return pskl.utils.colorToInt(colorA) === pskl.utils.colorToInt(colorB);
};
ns.colorEqualsColor = function (color, expected) {
expect(pskl.utils.colorToInt(color)).toBe(pskl.utils.colorToInt(expected));
};
ns.getRgbaAt = function (image, x, y) {
var w = image.width;