139 lines
4.5 KiB
TypeScript
139 lines
4.5 KiB
TypeScript
/**
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* Tagged image literal converter
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*/
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//% shim=@f4 helper=image::ofBuffer
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//% groups=["0.,","1#*"]
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function img(lits: any, ...args: any[]): Image { return null }
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const screen = image.create(DAL.LCD_WIDTH, DAL.LCD_HEIGHT)
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namespace _screen_internal {
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//% shim=pxt::updateScreen
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function updateScreen(img: Image): void { }
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//% shim=pxt::updateStats
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function updateStats(msg: string): void { }
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control.__screen.setupUpdate(() => updateScreen(screen))
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control.EventContext.onStats = function(msg: string) {
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updateStats(msg);
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}
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}
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namespace brick {
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export const LINE_HEIGHT = 12;
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/**
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* Show text on the screen at a specific line.
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* @param text the text to print on the screen, eg: "Hello world"
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* @param line the line number to print the text at, eg: 1
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*/
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//% blockId=screen_print block="show string %text|at line %line"
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//% weight=98 group="Screen" inlineInputMode="inline" blockGap=8
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//% help=brick/show-string
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//% line.min=1 line.max=10
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export function showString(text: string, line: number) {
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const NUM_LINES = 9;
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const offset = 5;
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const y = offset + (Math.clamp(0, NUM_LINES, line - 1) / (NUM_LINES + 2)) * DAL.LCD_HEIGHT;
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screen.print(text, offset, y);
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}
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/**
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* Shows a number on the screen
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* @param value the numeric value
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* @param line the line number to print the text at, eg: 1
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*/
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//% blockId=screenShowNumber block="show number %name|at line %line"
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//% weight=96 group="Screen" inlineInputMode="inline" blockGap=8
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//% help=brick/show-number
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//% line.min=1 line.max=10
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export function showNumber(value: number, line: number) {
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showString("" + value, line);
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}
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/**
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* Shows a name, value pair on the screen
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* @param value the numeric value
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* @param line the line number to print the text at, eg: 1
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*/
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//% blockId=screenShowValue block="show value %name|= %text|at line %line"
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//% weight=96 group="Screen" inlineInputMode="inline" blockGap=8
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//% help=brick/show-value
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//% line.min=1 line.max=10
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export function showValue(name: string, value: number, line: number) {
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value = Math.round(value * 1000) / 1000;
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showString((name ? name + ": " : "") + value, line);
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}
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/**
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* Show an image on the screen
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* @param image image to draw
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*/
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//% blockId=screen_show_image block="show image %image=screen_image_picker"
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//% weight=100 group="Screen" blockGap=8
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//% help=brick/show-image
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export function showImage(image: Image) {
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if (!image) return;
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screen.drawImage(image, 0, 0)
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}
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/**
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* Display the sensor and motor states attached to ports
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*/
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//% blockId=brickShowPorts block="show ports"
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//% help=brick/show-ports blockGap=8
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//% weight=10 group="Screen"
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export function showPorts() {
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const col = 44;
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clearScreen();
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function scale(x: number) {
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if (Math.abs(x) > 1000) return Math.round(x / 100) / 10 + "k";
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return ("" + (x >> 0));
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}
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// motors
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const datas = motors.getAllMotorData();
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for (let i = 0; i < datas.length; ++i) {
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const data = datas[i];
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if (!data.actualSpeed && !data.count) continue;
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const x = i * col;
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screen.print("ABCD"[i], x, brick.LINE_HEIGHT)
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screen.print(`${scale(data.actualSpeed)}%`, x, 2* brick.LINE_HEIGHT)
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screen.print(`${scale(data.count)}>`, x, 3 * brick.LINE_HEIGHT)
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}
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// sensors
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const sis = sensors.internal.getActiveSensors();
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for (let i = 0; i < sis.length; ++i) {
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const si = sis[i];
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const x = (si.port() - 1) * col;
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const inf = si._info();
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screen.print(si.port() + "", x, 8 * brick.LINE_HEIGHT)
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screen.print(inf, x, 9 * brick.LINE_HEIGHT)
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}
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}
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/**
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* An image
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* @param image the image
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*/
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//% blockId=screen_image_picker block="%image" shim=TD_ID
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//% image.fieldEditor="images"
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//% image.fieldOptions.columns=6
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//% image.fieldOptions.width=600
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//% group="Screen" weight=0 blockHidden=1
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export function __imagePicker(image: Image): Image {
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return image;
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}
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/**
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* Clear the screen
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*/
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//% blockId=screen_clear_screen block="clear screen"
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//% weight=90 group="Screen"
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//% help=brick/clear-screen weight=1
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export function clearScreen() {
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screen.fill(0)
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}
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} |