nkellenicki/bittmapp
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fixed logic errors with bitmaps where width != height

Browse Source
This commit is contained in:
Nathan Kunicki 2017-11-18 00:14:39 +00:00
parent c51f759779
commit 95f2da5356
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/bittmappeditor.ts
View File

@ -105,14 +105,14 @@ class BittMappEditor {
setPixel (x: number, y: number) { setPixel (x: number, y: number) {
const byte: number = ((y * 4) + Math.floor(x / 8)), const byte: number = ((y * (this._width / 8)) + Math.floor(x / 8)),
mask: number = 1 << (x % 8); mask: number = 1 << (x % 8);
this._data[byte] = this._data[byte] |= mask; this._data[byte] = this._data[byte] |= mask;
} }
unsetPixel (x: number, y: number) { unsetPixel (x: number, y: number) {
const byte: number = ((y * 4) + Math.floor(x / 8)), const byte: number = ((y * (this._width / 8)) + Math.floor(x / 8)),
mask: number = 1 << (x % 8); mask: number = 1 << (x % 8);
this._data[byte] = this._data[byte] &= ~mask; this._data[byte] = this._data[byte] &= ~mask;
} }
@ -207,7 +207,7 @@ class BittMappEditor {
for (let i: number = 0; i < this._height; i++) { for (let i: number = 0; i < this._height; i++) {
for (let j: number = 0; j < (this._width / 8); j++) { for (let j: number = 0; j < (this._width / 8); j++) {
let byte: number = this._data[(i * 4) + j]; let byte: number = this._data[(i * (this._width / 8)) + j];
for (let k: number = 0; k < 8; k++) { for (let k: number = 0; k < 8; k++) {
if (byte & 1) { if (byte & 1) {