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Fix brick.print()

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This commit is contained in:
Michal Moskal 2017-10-30 19:03:45 +00:00
parent 2df90152fe
commit e8e31e6aa7
2 changed files with 2 additions and 2 deletions
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2
libs/core/screen.cpp
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@ -239,7 +239,7 @@ extern "C" void drawPanic(int code) {
}
bool isValidImage(Buffer buf) {
return buf->length >= 3 && buf->data[0] == 0xf0;
return buf != NULL && buf->length >= 3 && buf->data[0] == 0xf0;
}
/** Makes an image bound to a buffer. */

2
libs/core/screen.ts
View File

@ -112,10 +112,10 @@ namespace brick {
let byteWidth = (currFont.charWidth + 7) >> 3
let charSize = byteWidth * currFont.charHeight
let imgBuf = output.createBuffer(2 + charSize)
let img = screen.imageOf(imgBuf)
let double = (mode & Draw.Quad) ? 4 : (mode & Draw.Double) ? 2 : 1
imgBuf[0] = 0xf0
imgBuf[1] = currFont.charWidth
let img = screen.imageOf(imgBuf)
while (cp < text.length) {
let ch = text.charCodeAt(cp++)
if (ch == 10) {