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Always diplay sad face on errors; use nullCheck() function; see https://github.com/Microsoft/pxt/issues/302

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This commit is contained in:
Michal Moskal
2016-09-05 14:26:07 +01:00
parent 50293fc654
commit 61a29f7c67
4 changed files with 64 additions and 66 deletions
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25
sim/state/ledmatrix.ts
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@ -195,26 +195,24 @@ namespace pxsim.images {
namespace pxsim.ImageMethods {
export function showImage(leds: Image, offset: number) {
if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(leds)
leds.copyTo(offset, 5, board().ledMatrixState.image, 0)
runtime.queueDisplayUpdate()
}
export function plotImage(leds: Image, offset: number): void {
if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(leds)
leds.copyTo(offset, 5, board().ledMatrixState.image, 0)
runtime.queueDisplayUpdate()
}
export function height(leds: Image): number {
if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(leds)
return Image.height;
}
export function width(leds: Image): number {
if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(leds)
return leds.width;
}
@ -227,35 +225,32 @@ namespace pxsim.ImageMethods {
}
export function pixel(leds: Image, x: number, y: number): number {
if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(leds)
return leds.get(x, y);
}
export function setPixel(leds: Image, x: number, y: number, v: number) {
if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(leds)
leds.set(x, y, v);
}
export function clear(leds: Image) {
if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(leds)
leds.clear();
}
export function setPixelBrightness(i: Image, x: number, y: number, b: number) {
if (!i) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(i)
i.set(x, y, b);
}
export function pixelBrightness(i: Image, x: number, y: number): number {
if (!i) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(i)
return i.get(x, y);
}
export function scrollImage(leds: Image, stride: number, interval: number): void {
if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
pxtrt.nullCheck(leds)
if (stride == 0) stride = 1;
let cb = getResume();