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1
51 package org.apache.fop.pdf;
52
53 import java.util.ArrayList  ;
55
56 import org.apache.fop.datatypes.ColorSpace;
58
59 public class PDFColor extends PDFPathPaint {
60 protected static double blackFactor = 2.0; protected double red = -1.0;
62 protected double green = -1.0;
63 protected double blue = -1.0;
64
65 protected double cyan = -1.0;
66 protected double magenta = -1.0;
67 protected double yellow = -1.0;
68 protected double black = -1.0;
69
70 public PDFColor(org.apache.fop.datatypes.ColorType theColor) {
71 this.colorSpace = new ColorSpace(ColorSpace.DEVICE_RGB);
72 this.red = (double)theColor.red();
74 this.green = (double)theColor.green();
75 this.blue = (double)theColor.blue();
76
77 }
78
79 public PDFColor(double theRed, double theGreen, double theBlue) {
80 this.colorSpace = new ColorSpace(ColorSpace.DEVICE_RGB);
82
83 this.red = theRed;
84 this.green = theGreen;
85 this.blue = theBlue;
86 }
87
88 public PDFColor(int theRed, int theGreen, int theBlue) {
90 this(((double)theRed) / 255d, ((double)theGreen) / 255d,
91 ((double)theBlue) / 255d);
92
93 }
94
95 public PDFColor(double theCyan, double theMagenta, double theYellow,
96 double theBlack) {
97
99 this.colorSpace = new ColorSpace(ColorSpace.DEVICE_CMYK);
100
101 this.cyan = theCyan;
102 this.magenta = theMagenta;
103 this.yellow = theYellow;
104 this.black = theBlack;
105 }
106
107
108 public ArrayList getVector() { ArrayList theColorVector = new ArrayList ();
111 if (this.colorSpace.getColorSpace() == ColorSpace.DEVICE_RGB) { theColorVector.add(new Double (this.red));
113 theColorVector.add(new Double (this.green));
114 theColorVector.add(new Double (this.blue));
115 } else if (this.colorSpace.getColorSpace()
116 == ColorSpace.DEVICE_CMYK) { theColorVector.add(new Double (this.cyan));
118 theColorVector.add(new Double (this.magenta));
119 theColorVector.add(new Double (this.yellow));
120 theColorVector.add(new Double (this.black));
121 } else { theColorVector.add(new Double (this.black));
123 }
124 return (theColorVector);
125 }
126
127 public double red() {
128 return (this.red);
129 }
130
131 public double green() {
132 return (this.green);
133 }
134
135 public double blue() {
136 return (this.blue);
137 }
138
139 public int red255() {
140 return (int)(this.red * 255d);
141 }
142
143 public int green255() {
144 return (int)(this.green * 255d);
145 }
146
147 public int blue255() {
148 return (int)(this.blue * 255d);
149 }
150
151 public double cyan() {
152 return (this.cyan);
153 }
154
155 public double magenta() {
156 return (this.magenta);
157 }
158
159 public double yellow() {
160 return (this.yellow);
161 }
162
163 public double black() {
164 return (this.black);
165 }
166
167 public void setColorSpace(int theColorSpace) {
168 int theOldColorSpace = this.colorSpace.getColorSpace();
169 if (theOldColorSpace != theColorSpace) {
170 if (theOldColorSpace == ColorSpace.DEVICE_RGB) {
171 if (theColorSpace == ColorSpace.DEVICE_CMYK) {
172 this.convertRGBtoCMYK();
173 } else {
175 this.convertRGBtoGRAY();
176 }
177
178 } else if (theOldColorSpace == ColorSpace.DEVICE_CMYK) {
179 if (theColorSpace == ColorSpace.DEVICE_RGB) {
180 this.convertCMYKtoRGB();
181 } else {
183 this.convertCMYKtoGRAY();
184 }
185 } else {
187 if (theColorSpace == ColorSpace.DEVICE_RGB) {
188 this.convertGRAYtoRGB();
189 } else {
191 this.convertGRAYtoCMYK();
192 }
193 }
194 this.colorSpace.setColorSpace(theColorSpace);
195 }
196 }
197
198 public String getColorSpaceOut(boolean fillNotStroke) {
199 StringBuffer p = new StringBuffer ("");
200
201 double tempDouble;
202
203 if (this.colorSpace.getColorSpace()
204 == ColorSpace.DEVICE_RGB) { boolean same = false;
208 if (this.red == this.green && this.red == this.blue) {
209 same = true;
210 }
211 if (fillNotStroke) { if (same) {
214 p.append(PDFNumber.doubleOut(this.red) + " g\n");
215 } else {
216 p.append(PDFNumber.doubleOut(this.red) + " "
217 + PDFNumber.doubleOut(this.green) + " "
218 + PDFNumber.doubleOut(this.blue) + " "
219 + " rg \n");
220 }
221 } else { if (same) {
223 p.append(PDFNumber.doubleOut(this.red) + " G\n");
224 } else {
225 p.append(PDFNumber.doubleOut(this.red) + " "
226 + PDFNumber.doubleOut(this.green) + " "
227 + PDFNumber.doubleOut(this.blue) + " "
228 + " RG \n");
229 }
230 }
231 } else if (this.colorSpace.getColorSpace()
233 == ColorSpace.DEVICE_CMYK) {
235 if (fillNotStroke) { p.append(PDFNumber.doubleOut(this.cyan) + " "
237 + PDFNumber.doubleOut(this.magenta) + " "
238 + PDFNumber.doubleOut(this.yellow) + " "
239 + PDFNumber.doubleOut(this.black) + " k \n");
240 } else { p.append(PDFNumber.doubleOut(this.cyan) + " "
242 + PDFNumber.doubleOut(this.magenta) + " "
243 + PDFNumber.doubleOut(this.yellow) + " "
244 + PDFNumber.doubleOut(this.black) + " K \n");
245 }
246
247 } else {
251 if (fillNotStroke) {
252 p.append(PDFNumber.doubleOut(this.black) + " g \n");
253 } else {
254 p.append(PDFNumber.doubleOut(this.black) + " G \n");
255 }
256
257 }
258 return (p.toString());
259 }
260
261
262
263
264 protected void convertCMYKtoRGB() {
265 this.red = 1.0 - this.cyan;
267 this.green = 1.0 - this.green;
268 this.blue = 1.0 - this.yellow;
269
270 this.red = (this.black / this.blackFactor) + this.red;
271 this.green = (this.black / this.blackFactor) + this.green;
272 this.blue = (this.black / this.blackFactor) + this.blue;
273
274 }
275
276 protected void convertRGBtoCMYK() {
277 this.cyan = 1.0 - this.red;
279 this.magenta = 1.0 - this.green;
280 this.yellow = 1.0 - this.blue;
281
282 this.black = 0.0;
283
296 }
297
298 protected void convertGRAYtoRGB() {
299 this.red = 1.0 - this.black;
300 this.green = 1.0 - this.black;
301 this.blue = 1.0 - this.black;
302 }
303
304 protected void convertGRAYtoCMYK() {
305 this.cyan = this.black;
306 this.magenta = this.black;
307 this.yellow = this.black;
308 }
310
311 protected void convertCMYKtoGRAY() {
312 double tempDouble = 0.0;
313
314 tempDouble = this.cyan;
316
317 if (this.magenta < tempDouble)
318 tempDouble = this.magenta;
319
320 if (this.yellow < tempDouble)
321 tempDouble = this.yellow;
322
323 this.black = (tempDouble / this.blackFactor);
324
325 }
326
327 protected void convertRGBtoGRAY() {
328 double tempDouble = 0.0;
329
330 tempDouble = this.red;
332
333 if (this.green < tempDouble)
334 tempDouble = this.green;
335
336 if (this.blue < tempDouble)
337 tempDouble = this.blue;
338
339 this.black = 1.0 - (tempDouble / this.blackFactor);
340
341 }
342
343 byte[] toPDF() {
344 return (new byte[0]);
345
346 }
348 public boolean equals(Object obj) {
349 if (!(obj instanceof PDFColor)) {
350 return false;
351 }
352 PDFColor color = (PDFColor)obj;
353
354 if (color.red == this.red && color.green == this.green
355 && color.blue == this.blue) {
356 return true;
357 }
358 return false;
359 }
360
361 }
362 |
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