c2d26a8418
* starting screen api intergration * Further image integration * Aligning with new screen apis * Build fixes * Adjust to common screen state * Fix unpackPNG * Add game library * Optimize screen rendering * bumping common packages * updated shims * moving images into ev3 * upgrading to common packages * added try/use * cap * fixed tryp age
107 lines
3.2 KiB
TypeScript
107 lines
3.2 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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let 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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control.addFrameHandler(200, () => {
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updateScreen(screen)
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})
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updateScreen(screen)
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export function _stats(msg: string) {
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// show the msg somewhere - it contains frame rate etc
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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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* 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
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export function clearScreen() {
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screen.fill(0)
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}
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} |