| 1 | import { CoreTypes } from '../../core-types';
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| 2 |
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| 3 | /**
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| 4 | * Utility module related to layout.
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| 5 | */
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| 6 | export namespace layout {
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| 7 | /**
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| 8 | * Bits that provide the actual measured size.
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| 9 | */
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| 10 | export const MEASURED_HEIGHT_STATE_SHIFT: number;
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| 11 | export const MEASURED_SIZE_MASK: number;
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| 12 | export const MEASURED_STATE_MASK: number;
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| 13 | export const MEASURED_STATE_TOO_SMALL: number;
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| 14 | export const UNSPECIFIED: number;
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| 15 | export const EXACTLY: number;
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| 16 | export const AT_MOST: number;
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| 17 |
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| 18 | /**
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| 19 | * Gets layout mode from a given specification as string.
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| 20 | * @param mode - The measure specification mode.
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| 21 | */
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| 22 | export function getMode(mode: number): string;
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| 23 |
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| 24 | /**
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| 25 | * Gets measure specification mode from a given specification.
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| 26 | * @param spec - The measure specification.
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| 27 | */
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| 28 | export function getMeasureSpecMode(spec: number): number;
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| 29 |
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| 30 | /**
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| 31 | * Gets measure specification size from a given specification.
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| 32 | * @param spec - The measure specification.
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| 33 | */
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| 34 | export function getMeasureSpecSize(spec: number): number;
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| 35 |
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| 36 | /**
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| 37 | * Creates measure specification size from size and mode.
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| 38 | * @param size - The size component of measure specification.
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| 39 | * @param mode - The mode component of measure specification.
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| 40 | */
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| 41 | export function makeMeasureSpec(px: number, mode: number): number;
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| 42 |
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| 43 | /**
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| 44 | * Gets display density for the current device.
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| 45 | */
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| 46 | export function getDisplayDensity(): number;
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| 47 |
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| 48 | /**
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| 49 | * Convert device independent pixels to device pixels - dip to px.
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| 50 | * @param value - The pixel to convert.
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| 51 | */
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| 52 | export function toDevicePixels(value: CoreTypes.dip): CoreTypes.px;
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| 53 |
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| 54 | /**
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| 55 | * Convert device pixels to device independent pixels - px to dip.
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| 56 | * @param value - The pixel to convert.
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| 57 | */
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| 58 | export function toDeviceIndependentPixels(value: CoreTypes.px): CoreTypes.dip;
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| 59 |
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| 60 | /**
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| 61 | * Rounds value used in layout.
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| 62 | * @param px to round.
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| 63 | */
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| 64 | export function round(px: CoreTypes.px): CoreTypes.px;
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| 65 |
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| 66 | /**
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| 67 | * Converts device pixels to device independent pixes and measure the nativeView.
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| 68 | * Returns the desired size of the nativeView in device pixels.
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| 69 | * @param nativeView the nativeView to measure (UIView or android.view.View)
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| 70 | * @param width the available width
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| 71 | * @param widthMode width mode - UNSPECIFIED, EXACTLY or AT_MOST
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| 72 | * @param height the available hegiht
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| 73 | * @param heightMode height mode - UNSPECIFIED, EXACTLY or AT_MOST
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| 74 | */
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| 75 | export function measureNativeView(nativeView: any /* UIView or android.view.View */, width: number, widthMode: number, height: number, heightMode: number): { width: number; height: number };
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| 76 |
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| 77 | /**
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| 78 | * Prints user friendly version of the measureSpec.
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| 79 | * @param measureSpec the spec to print
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| 80 | */
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| 81 | export function measureSpecToString(measureSpec: number): string;
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| 82 | }
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