pxt-calliope/sim/state/ledmatrix.ts

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2016-08-30 20:51:32 +02:00
namespace pxsim {
export enum DisplayMode {
bw,
greyscale
}
export class LedMatrixState {
image = createInternalImage(5);
brigthness = 255;
displayMode = DisplayMode.bw;
font: Image = createFont();
animationQ: AnimationQueue;
constructor(runtime: Runtime) {
this.animationQ = new AnimationQueue(runtime);
}
}
export class Image extends RefObject {
public static height: number = 5;
public width: number;
public data: number[];
constructor(width: number, data: number[]) {
super();
this.width = width;
this.data = data;
}
public print() {
console.log(`Image id:${this.id} refs:${this.refcnt} size:${this.width}x${Image.height}`)
}
public get(x: number, y: number): number {
if (x < 0 || x >= this.width || y < 0 || y >= 5) return 0;
return this.data[y * this.width + x];
}
public set(x: number, y: number, v: number) {
if (x < 0 || x >= this.width || y < 0 || y >= 5) return;
this.data[y * this.width + x] = Math.max(0, Math.min(255, v));
}
public copyTo(xSrcIndex: number, length: number, target: Image, xTargetIndex: number): void {
for (let x = 0; x < length; x++) {
for (let y = 0; y < 5; y++) {
let value = this.get(xSrcIndex + x, y);
target.set(xTargetIndex + x, y, value);
}
}
}
public shiftLeft(cols: number) {
for (let x = 0; x < this.width; ++x)
for (let y = 0; y < 5; ++y)
this.set(x, y, x < this.width - cols ? this.get(x + cols, y) : 0);
}
public shiftRight(cols: number) {
for (let x = this.width - 1; x <= 0; --x)
for (let y = 0; y < 5; ++y)
this.set(x, y, x > cols ? this.get(x - cols, y) : 0);
}
public clear(): void {
for (let i = 0; i < this.data.length; ++i)
this.data[i] = 0;
}
}
export function createInternalImage(width: number): Image {
let img = createImage(width)
pxsim.noLeakTracking(img)
return img
}
export function createImage(width: number): Image {
return new Image(width, new Array(width * 5));
}
export function createImageFromBuffer(data: number[]): Image {
return new Image(data.length / 5, data);
}
export function createImageFromString(text: string): Image {
let font = board().ledMatrixState.font;
let w = font.width;
let sprite = createInternalImage(6 * text.length - 1);
let k = 0;
for (let i = 0; i < text.length; i++) {
let charCode = text.charCodeAt(i);
let charStart = (charCode - 32) * 5;
if (charStart < 0 || charStart + 5 > w) {
charCode = " ".charCodeAt(0);
charStart = (charCode - 32) * 5;
}
font.copyTo(charStart, 5, sprite, k);
k = k + 5;
if (i < text.length - 1) {
k = k + 1;
}
}
return sprite;
}
export function createFont(): Image {
const data = [0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x8, 0x8, 0x0, 0x8, 0xa, 0x4a, 0x40, 0x0, 0x0, 0xa, 0x5f, 0xea, 0x5f, 0xea, 0xe, 0xd9, 0x2e, 0xd3, 0x6e, 0x19, 0x32, 0x44, 0x89, 0x33, 0xc, 0x92, 0x4c, 0x92, 0x4d, 0x8, 0x8, 0x0, 0x0, 0x0, 0x4, 0x88, 0x8, 0x8, 0x4, 0x8, 0x4, 0x84, 0x84, 0x88, 0x0, 0xa, 0x44, 0x8a, 0x40, 0x0, 0x4, 0x8e, 0xc4, 0x80, 0x0, 0x0, 0x0, 0x4, 0x88, 0x0, 0x0, 0xe, 0xc0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x1, 0x22, 0x44, 0x88, 0x10, 0xc, 0x92, 0x52, 0x52, 0x4c, 0x4, 0x8c, 0x84, 0x84, 0x8e, 0x1c, 0x82, 0x4c, 0x90, 0x1e, 0x1e, 0xc2, 0x44, 0x92, 0x4c, 0x6, 0xca, 0x52, 0x5f, 0xe2, 0x1f, 0xf0, 0x1e, 0xc1, 0x3e, 0x2, 0x44, 0x8e, 0xd1, 0x2e, 0x1f, 0xe2, 0x44, 0x88, 0x10, 0xe, 0xd1, 0x2e, 0xd1, 0x2e, 0xe, 0xd1, 0x2e, 0xc4, 0x88, 0x0, 0x8, 0x0, 0x8, 0x0, 0x0, 0x4, 0x80, 0x4, 0x88, 0x2, 0x44, 0x88, 0x4, 0x82, 0x0, 0xe, 0xc0, 0xe, 0xc0, 0x8, 0x4, 0x82, 0x44, 0x88, 0xe, 0xd1, 0x26, 0xc0, 0x4, 0xe, 0xd1, 0x35, 0xb3, 0x6c, 0xc, 0x92, 0x5e, 0xd2, 0x52, 0x1c, 0x92, 0x5c, 0x92, 0x5c, 0xe, 0xd0, 0x10, 0x10, 0xe, 0x1c, 0x92, 0x52, 0x52, 0x5c, 0x1e, 0xd0, 0x1c, 0x90, 0x1e, 0x1e, 0xd0, 0x1c, 0x90, 0x10, 0xe, 0xd0, 0x13, 0x71, 0x2e, 0x12, 0x52, 0x5e, 0xd2, 0x52, 0x1c, 0x88, 0x8, 0x8, 0x1c, 0x1f, 0xe2, 0x42, 0x52, 0x4c, 0x12, 0x54, 0x98, 0x14, 0x92, 0x10, 0x10, 0x10, 0x10, 0x1e, 0x11, 0x3b, 0x75, 0xb1, 0x31, 0x11, 0x39, 0x35, 0xb3, 0x71, 0xc, 0x92, 0x52, 0x52, 0x4c, 0x1c, 0x92, 0x5c, 0x90, 0x10, 0xc, 0x92, 0x52, 0x4c, 0x86, 0x1c, 0x92, 0x5c, 0x92, 0x51, 0xe, 0xd0, 0xc, 0x82, 0x5c, 0x1f, 0xe4, 0x84, 0x84, 0x84, 0x12, 0x52, 0x52, 0x52, 0x4c, 0x11, 0x31, 0x31, 0x2a, 0x44, 0x11, 0x31, 0x35, 0xbb, 0x71, 0x12, 0x52, 0x4c, 0x92, 0x52, 0x11, 0x2a, 0x44, 0x84, 0x84, 0x1e, 0xc4, 0x88, 0x10, 0x1e, 0xe, 0xc8, 0x8, 0x8, 0xe, 0x10, 0x8, 0x4, 0x82, 0x41, 0xe, 0xc2, 0x42, 0x42, 0x4e, 0x4, 0x8a, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x8, 0x4, 0x80, 0x0, 0x0, 0x0, 0xe, 0xd2, 0x52, 0x4f, 0x10, 0x10, 0x1c, 0x92, 0x5c, 0x0, 0xe, 0xd0, 0x10, 0xe, 0x2, 0x42, 0x4e, 0xd2, 0x4e, 0xc, 0x92, 0x5c, 0x90, 0xe, 0x6, 0xc8, 0x1c, 0x88, 0x8, 0xe, 0xd2, 0x4e, 0xc2, 0x4c, 0x10, 0x10, 0x1c, 0x92, 0x52, 0x8, 0x0, 0x8, 0x8, 0x8, 0x2, 0x40, 0x2, 0x42, 0x4c, 0x10, 0x14, 0x98, 0x14, 0x92, 0x8, 0x8, 0x8, 0x8, 0x6, 0x0, 0x1b, 0x75, 0xb1, 0x31, 0x0, 0x1c, 0x92, 0x52, 0x52, 0x0, 0xc, 0x92, 0x52, 0x4c, 0x0, 0x1c, 0x92, 0x5c, 0x90, 0x0, 0xe, 0xd2, 0x4e, 0xc2, 0x0, 0xe, 0xd0, 0x10, 0x10, 0x0, 0x6, 0xc8, 0x4, 0x98, 0x8, 0x8, 0xe, 0xc8, 0x7, 0x0, 0x12, 0x52, 0x52, 0x4f, 0x0, 0x11, 0x31, 0x2a, 0x44, 0x0, 0x11, 0x31, 0x35, 0xbb, 0x0, 0x12, 0x4c, 0x8c, 0x92, 0x0, 0x11, 0x2a, 0x44, 0x98, 0x0, 0x1e, 0xc4, 0x88, 0x1e, 0x6, 0xc4, 0x8c, 0x84, 0x86, 0x8, 0x8, 0x8, 0x8, 0x8, 0x18, 0x8, 0xc, 0x88, 0x18, 0x0, 0x0, 0xc, 0x83, 0x60];
let nb = data.length;
let n = nb / 5;
let font = createInternalImage(nb);
for (let c = 0; c < n; c++) {
for (let row = 0; row < 5; row++) {
let char = data[c * 5 + row];
for (let col = 0; col < 5; col++) {
if ((char & (1 << col)) != 0)
font.set((c * 5 + 4) - col, row, 255);
}
}
}
return font;
}
export interface AnimationOptions {
interval: number;
// false means last frame
frame: () => boolean;
whenDone?: (cancelled: boolean) => void;
}
export class AnimationQueue {
private queue: AnimationOptions[] = [];
private process: () => void;
constructor(private runtime: Runtime) {
this.process = () => {
let top = this.queue[0]
if (!top) return
if (this.runtime.dead) return
runtime = this.runtime
let res = top.frame()
runtime.queueDisplayUpdate()
runtime.maybeUpdateDisplay()
if (res === false) {
this.queue.shift();
// if there is already something in the queue, start processing
if (this.queue[0])
setTimeout(this.process, this.queue[0].interval)
// this may push additional stuff
top.whenDone(false);
} else {
setTimeout(this.process, top.interval)
}
}
}
public cancelAll() {
let q = this.queue
this.queue = []
for (let a of q) {
a.whenDone(true)
}
}
public cancelCurrent() {
let top = this.queue[0]
if (top) {
this.queue.shift();
top.whenDone(true);
}
}
public enqueue(anim: AnimationOptions) {
if (!anim.whenDone) anim.whenDone = () => { };
this.queue.push(anim)
// we start processing when the queue goes from 0 to 1
if (this.queue.length == 1)
this.process()
}
public executeAsync(anim: AnimationOptions) {
U.assert(!anim.whenDone)
return new Promise<boolean>((resolve, reject) => {
anim.whenDone = resolve
this.enqueue(anim)
})
}
}
}
namespace pxsim.images {
export function createImage(img: Image) {
return img
}
export function createBigImage(img: Image) {
return img
}
}
namespace pxsim.ImageMethods {
export function showImage(leds: Image, offset: number) {
pxtrt.nullCheck(leds)
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leds.copyTo(offset, 5, board().ledMatrixState.image, 0)
runtime.queueDisplayUpdate()
}
export function plotImage(leds: Image, offset: number): void {
pxtrt.nullCheck(leds)
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leds.copyTo(offset, 5, board().ledMatrixState.image, 0)
runtime.queueDisplayUpdate()
}
export function height(leds: Image): number {
pxtrt.nullCheck(leds)
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return Image.height;
}
export function width(leds: Image): number {
pxtrt.nullCheck(leds)
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return leds.width;
}
export function plotFrame(leds: Image, frame: number) {
ImageMethods.plotImage(leds, frame * Image.height);
}
export function showFrame(leds: Image, frame: number) {
ImageMethods.showImage(leds, frame * Image.height);
}
export function pixel(leds: Image, x: number, y: number): number {
pxtrt.nullCheck(leds)
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return leds.get(x, y);
}
export function setPixel(leds: Image, x: number, y: number, v: number) {
pxtrt.nullCheck(leds)
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leds.set(x, y, v);
}
export function clear(leds: Image) {
pxtrt.nullCheck(leds)
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leds.clear();
}
export function setPixelBrightness(i: Image, x: number, y: number, b: number) {
pxtrt.nullCheck(i)
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i.set(x, y, b);
}
export function pixelBrightness(i: Image, x: number, y: number): number {
pxtrt.nullCheck(i)
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return i.get(x, y);
}
export function scrollImage(leds: Image, stride: number, interval: number): void {
pxtrt.nullCheck(leds)
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if (stride == 0) stride = 1;
let cb = getResume();
let off = stride > 0 ? 0 : leds.width - 1;
let display = board().ledMatrixState.image;
board().ledMatrixState.animationQ.enqueue({
interval: interval,
frame: () => {
//TODO: support right to left.
if (off >= leds.width || off < 0) return false;
stride > 0 ? display.shiftLeft(stride) : display.shiftRight(-stride);
let c = Math.min(stride, leds.width - off);
leds.copyTo(off, c, display, 5 - stride)
off += stride;
return true;
},
whenDone: cb
})
}
}
namespace pxsim.basic {
export function showNumber(x: number, interval: number) {
if (interval < 0) return;
let leds = createImageFromString(x.toString());
if (x < 0 || x >= 10) ImageMethods.scrollImage(leds, 1, interval);
else showLeds(leds, interval * 5);
}
export function showString(s: string, interval: number) {
if (interval < 0) return;
if (s.length == 0) {
clearScreen();
pause(interval * 5);
} else {
if (s.length == 1) showLeds(createImageFromString(s + " "), interval * 5)
else ImageMethods.scrollImage(createImageFromString(s + " "), 1, interval);
}
}
export function showLeds(leds: Image, delay: number): void {
showAnimation(leds, delay);
}
export function clearScreen() {
board().ledMatrixState.image.clear();
runtime.queueDisplayUpdate()
}
export function showAnimation(leds: Image, interval: number): void {
ImageMethods.scrollImage(leds, 5, interval);
}
export function plotLeds(leds: Image): void {
ImageMethods.plotImage(leds, 0);
}
}
namespace pxsim.led {
export function plot(x: number, y: number) {
board().ledMatrixState.image.set(x, y, 255);
runtime.queueDisplayUpdate()
}
export function unplot(x: number, y: number) {
board().ledMatrixState.image.set(x, y, 0);
runtime.queueDisplayUpdate()
}
export function point(x: number, y: number): boolean {
return !!board().ledMatrixState.image.get(x, y);
}
export function brightness(): number {
return board().ledMatrixState.brigthness;
}
export function setBrightness(value: number): void {
board().ledMatrixState.brigthness = value;
runtime.queueDisplayUpdate()
}
export function stopAnimation(): void {
board().ledMatrixState.animationQ.cancelAll();
}
export function setDisplayMode(mode: DisplayMode): void {
board().ledMatrixState.displayMode = mode;
runtime.queueDisplayUpdate()
}
export function screenshot(): Image {
let img = createImage(5)
board().ledMatrixState.image.copyTo(0, 5, img, 0);
return img;
}
}