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Zuletzt aktiv 1 month ago

racerxdl's Avatar Lucas Teske hat die Gist bearbeitet 9 years ago. Zu Änderung gehen

1 file changed, 285 insertions

byteCodeGen.java(Datei erstellt)

@@ -0,0 +1,285 @@
1 + public static byte[] generateByteCode(List<Command> commands, Base64Converter converter) {
2 + final ByteArrayOutputStream payload = new ByteArrayOutputStream(128);
3 +
4 + // Initialize the printer: Clear buffers and reset states
5 + for (int i=0; i<40; i++) {
6 + payload.write(0x00);
7 + payload.write(Constants.ESC);
8 + payload.write('@');
9 + }
10 +
11 + for (final Command command : commands) {
12 + switch (command.getCommandId()) {
13 + case Align:
14 + payload.write(Constants.ESC);
15 + payload.write((byte) 'a');
16 + payload.write((byte) ((((Align) command).getType() == Align.Type.Left) ? 0 : ((((Align) command).getType() == Align.Type.Center) ? 1 : 2)));
17 + break;
18 + case Barcode:
19 + final Barcode barCode = (Barcode) command;
20 + // Set Bar Code Height first
21 + payload.write(Constants.GS);
22 + payload.write((byte) 0x68);
23 + payload.write((byte) barCode.getHeight());
24 + byte barcodeType = 0;
25 + // Print Bar Code
26 + // TODO: Add Error Handling for invalid data. For now we are just ignoring the invalid data
27 + switch (barCode.getType()) {
28 + case UPCA:
29 + barcodeType = 0;
30 + if (barCode.getCode().length() != 11) {
31 + System.out.println("PrinterJobHandler: Bar Code invalid length for " + barCode.getType().name() + ": " + barCode.getCode().length());
32 + continue;
33 + }
34 + break;
35 + case UPCE:
36 + barcodeType = 1;
37 + if (barCode.getCode().length() != 7) {
38 + System.out.println("PrinterJobHandler: Bar Code invalid length for " + barCode.getType().name() + ": " + barCode.getCode().length());
39 + continue;
40 + }
41 + break;
42 + case JAN13:
43 + barcodeType = 2;
44 + if (barCode.getCode().length() != 12) {
45 + System.out.println("PrinterJobHandler: Bar Code invalid length for " + barCode.getType().name() + ": " + barCode.getCode().length());
46 + continue;
47 + }
48 + break;
49 + case JAN8:
50 + barcodeType = 3;
51 + if (barCode.getCode().length() != 7) {
52 + System.out.println("PrinterJobHandler: Bar Code invalid length for " + barCode.getType().name() + ": " + barCode.getCode().length());
53 + continue;
54 + }
55 + break;
56 + case CODE39:
57 + barcodeType = 4;
58 + break;
59 + case ITF:
60 + barcodeType = 5;
61 + if (barCode.getCode().length() % 2 != 1) {
62 + System.out.println("PrinterJobHandler: Bar Code invalid length for " + barCode.getType().name() + ": " + barCode.getCode().length());
63 + continue;
64 + }
65 + break;
66 + case NW7:
67 + barcodeType = 6;
68 + break;
69 + }
70 + // Send start of Bar Code
71 + payload.write(Constants.GS);
72 + payload.write('k');
73 + payload.write(barcodeType);
74 +
75 + // Send Bar Code data
76 + for (Byte n : barCode.getCode().getBytes()) {
77 + payload.write(n);
78 + }
79 +
80 + payload.write((byte) 0x00);
81 + break;
82 + case Bitmap:
83 + if (converter != null) {
84 + Bitmap bmp = (Bitmap) command;
85 + BitSet imageData = RasterTools.imageDataToBits(converter.fromBase64(bmp.getRawb64()));
86 + final byte widthLSB = (byte) (bmp.getWidth() & 0xFF);
87 + final byte widthMSB = (byte) ((bmp.getWidth() >> 8) & 0xFF);
88 +
89 + // Set line height for 24 pt
90 + payload.write(Constants.ESC);
91 + payload.write('3');
92 + payload.write(24);
93 +
94 + int offset = 0;
95 + while (offset < bmp.getHeight()) {
96 + payload.write(Constants.ESC);
97 + payload.write('*');
98 + payload.write('!');
99 + payload.write(widthLSB);
100 + payload.write(widthMSB);
101 +
102 + int lineIndex = 0;
103 + byte[] line = new byte[3 * bmp.getWidth()];
104 + for (int x = 0; x < bmp.getWidth(); x++) {
105 + for (int k = 0; k < 3; k++) {
106 + byte slice = 0;
107 + for (int b = 0; b < 8; b++) {
108 + final int y = (((offset / 8) + k) * 8) + b;
109 + final int i = (y * bmp.getWidth()) + x;
110 + boolean v = false;
111 + if (i < imageData.size()) {
112 + v = !imageData.get(i);
113 + }
114 + slice |= (byte) ((v ? 1 : 0) << (7 - b));
115 + }
116 + line[lineIndex + k] = slice;
117 + }
118 + lineIndex += 3;
119 + }
120 +
121 + for (byte b : line) {
122 + payload.write(b);
123 + }
124 +
125 + payload.write('\n');
126 + offset += 24;
127 + }
128 +
129 + // Set line height for default
130 + payload.write(Constants.ESC);
131 + payload.write('2');
132 + } else {
133 + System.out.println("PrinterJobHandler: Unable to print bitmap because there is no Base64Converter");
134 + }
135 + break;
136 + case Bold:
137 + payload.write(Constants.ESC);
138 + payload.write('E');
139 + payload.write(((Bold) command).getEnabled() ? (byte) 1 : (byte) 0);
140 + break;
141 + case Color:
142 + payload.write(Constants.ESC);
143 + payload.write('r');
144 + payload.write(((Color) command).getType() == Color.Type.Black ? (byte) 0 : (byte) 1);
145 + break;
146 + case Cut:
147 + payload.write('\n');
148 + payload.write('\n');
149 + payload.write('\n');
150 + payload.write('\n');
151 + payload.write('\n');
152 + payload.write(Constants.ESC);
153 + payload.write(((Cut) command).getType() == Cut.Type.Full ? ((byte) 'i') : ((byte) 'm'));
154 + break;
155 + case DashedLine:
156 + payload.write(Constants.ESC); // Align center
157 + payload.write((byte) 'a');
158 + payload.write((byte) 1);
159 + switch (((DashedLine) command).getFont()) {
160 + case FontB:
161 + for (final Byte n : DashedLine.dashedLineB.getBytes()) {
162 + payload.write(n);
163 + }
164 + break;
165 + default: // Defaults to FontA
166 + for (final Byte n : DashedLine.dashedLineA.getBytes()) {
167 + payload.write(n);
168 + }
169 + break;
170 + }
171 + payload.write(Constants.ESC); // Align Left
172 + payload.write((byte) 'a');
173 + payload.write((byte) 0);
174 + break;
175 + case Encoding:
176 + payload.write(Constants.FS);
177 + payload.write('(');
178 + payload.write('C');
179 + payload.write((byte) 0x02);
180 + payload.write((byte) 0x00);
181 + payload.write((byte) 0x30);
182 + payload.write(((Encoding) command).getType() == Encoding.Type.ASCII ? (byte) 1 : (byte) 2);
183 + break;
184 + case Font:
185 + payload.write(Constants.ESC);
186 + payload.write('M');
187 + switch (((Font) command).getFont()) {
188 + case FontA:
189 + payload.write((byte) 0);
190 + break;
191 + case FontB:
192 + payload.write((byte) 1);
193 + break;
194 + case FontC:
195 + payload.write((byte) 2);
196 + break;
197 + case FontD:
198 + payload.write((byte) 3);
199 + break;
200 + case FontE:
201 + payload.write((byte) 4);
202 + break;
203 + case SpecialFontA:
204 + payload.write((byte) 97);
205 + break;
206 + case SpecialFontB:
207 + payload.write((byte) 98);
208 + break;
209 + }
210 + break;
211 + case LineHeight:
212 + LineHeight cmd = (LineHeight) command;
213 + if (cmd.getLineHeight() == LineHeight.DEFAULT_SPACING) {
214 + payload.write(Constants.ESC);
215 + payload.write('2');
216 + } else {
217 + payload.write(Constants.ESC);
218 + payload.write('3');
219 + payload.write(cmd.getLineHeight());
220 + }
221 + break;
222 + case ReverseColor:
223 + payload.write(Constants.GS);
224 + payload.write('B');
225 + payload.write(((ReverseColor) command).getEnabled() ? (byte) 1 : (byte) 0);
226 + break;
227 + case Reset:
228 + payload.write(Constants.ESC);
229 + payload.write('@');
230 + break;
231 + case Margin:
232 + final Margin mrgn = (Margin) command;
233 + switch (mrgn.getType()) {
234 + case Left:
235 + payload.write(Constants.ESC);
236 + payload.write(Constants.SP);
237 + payload.write((byte) (mrgn.getSize() & 0xFF));
238 + break;
239 + case Right:
240 + payload.write(Constants.GS);
241 + payload.write((byte) 'L');
242 + payload.write((byte) ((mrgn.getSize() & 0xFFFF) % 0xFF));
243 + payload.write((byte) ((mrgn.getSize() & 0xFFFF) / 0xFF));
244 + }
245 + break;
246 + case SetTabSpace:
247 + payload.write(Constants.ESC);
248 + payload.write('D');
249 + final int tabSize = ((SetTabSpace) command).getTabSpace();
250 + for (int i = 1; i < 32; i++) {
251 + payload.write((byte) (i * tabSize));
252 + }
253 + payload.write(0x00);
254 + break;
255 + case SetTabPosition:
256 + payload.write(Constants.ESC);
257 + payload.write('D');
258 +
259 + final List<Integer> pos = ((SetTabPosition) command).getTabSpace();
260 +
261 + for (Integer po : pos) {
262 + payload.write(po.byteValue());
263 + }
264 + payload.write(0x00);
265 +
266 + break;
267 + case Underline:
268 + payload.write(Constants.ESC);
269 + payload.write('-');
270 + payload.write(((Underline) command).getEnabled() ? (byte) 1 : (byte) 0);
271 + break;
272 + case NewLine:
273 + payload.write((byte) 0x0A);
274 + break;
275 + case Text:
276 + final String text = ((Text) command).getText();
277 + for (final Byte n : text.getBytes()) {
278 + payload.write(n);
279 + }
280 + break;
281 + }
282 + }
283 +
284 + return payload.toByteArray();
285 + }
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