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Root/branches/xZenu/src/util/doxygen/src/image.cpp

Source at commit 1322 created 12 years 8 months ago.
By meklort, Add doxygen to utils folder
1/******************************************************************************␊
2 *␊
3 * $Id: image.cpp,v 1.14 2001/03/19 19:27:40 root Exp $␊
4 *␊
5 *␊
6 * Copyright (C) 1997-2011 by Dimitri van Heesch.␊
7 *␊
8 * Permission to use, copy, modify, and distribute this software and its␊
9 * documentation under the terms of the GNU General Public License is hereby ␊
10 * granted. No representations are made about the suitability of this software ␊
11 * for any purpose. It is provided "as is" without express or implied warranty.␊
12 * See the GNU General Public License for more details.␊
13 *␊
14 * Documents produced by Doxygen are derivative works derived from the␊
15 * input used in their production; they are not affected by this license.␊
16 *␊
17 */␊
18␊
19#include "qtbc.h"␊
20#include "image.h"␊
21#include <qfile.h>␊
22#include <math.h>␊
23#include "lodepng.h"␊
24#include "config.h"␊
25␊
26typedef unsigned char Byte;␊
27␊
28struct Color␊
29{␊
30 Byte red;␊
31 Byte green;␊
32 Byte blue;␊
33 Byte alpha;␊
34};␊
35␊
36const int charSetWidth=80;␊
37const int charHeight=12;␊
38const int numChars=96;␊
39␊
40unsigned short charPos[numChars] = ␊
41 { ␊
42 0, 5, 8, 13, 20, 27, 38, 47, ␊
43 50, 54, 58, 65, 72, 76, 83, 87, ␊
44 91, 98,105,112,119,126,133,140,␊
45 147,154,161,164,167,174,181,188,␊
46 195,207,216,224,233,242,250,258,␊
47 267,276,279,286,294,301,312,321,␊
48 331,339,349,357,365,372,380,389,␊
49 400,409,418,427,430,434,437,443,␊
50 450,453,460,467,474,481,488,492,␊
51 499,506,509,512,518,521,530,537,␊
52 544,551,557,562,568,571,578,585,␊
53 594,600,607,613,617,620,624,631␊
54 };␊
55␊
56unsigned char charWidth[numChars] = ␊
57 {␊
58 5, 3, 5, 7, 7,11, 9, 3,␊
59 4, 4, 7, 7, 4, 7, 4, 4,␊
60␊
61 7, 7, 7, 7, 7, 7, 7, 7,␊
62 7, 7, 3, 3, 7, 7, 7, 7,␊
63 12, 9, 8, 9, 9, 8, 8, 9,␊
64 9, 3, 7, 8, 7,11, 9,10,␊
65 8,10, 8, 8, 7, 8, 9,11,␊
66 9, 9, 9, 3, 4, 3, 6, 7,␊
67 3, 7, 7, 7, 7, 7, 4, 7,␊
68 7, 3, 3, 6, 3, 9, 7, 7,␊
69 7, 6, 5, 6, 3, 7, 7, 9,␊
70 6, 7, 6, 4, 3, 4, 7, 5 ␊
71 };␊
72␊
73unsigned char fontRaw[charSetWidth*charHeight] = {␊
74 0x02, 0x50, 0x01, 0x06, 0x20, 0x60, 0xc6, 0x04, 0x00, 0x00, 0x00, 0x27,␊
75 0x04, 0x1c, 0x38, 0x11, 0xf1, 0xc7, 0xc7, 0x0e, 0x00, 0x00, 0x00, 0x03,␊
76 0x81, 0xf0, 0x10, 0x7c, 0x1e, 0x3e, 0x1f, 0x9f, 0x87, 0x88, 0x24, 0x09,␊
77 0x09, 0x02, 0x02, 0x41, 0x0f, 0x0f, 0x83, 0xc3, 0xe1, 0xe7, 0xf4, 0x24,␊
78 0x12, 0x22, 0x41, 0x20, 0x9f, 0xce, 0x30, 0x00, 0x10, 0x04, 0x00, 0x01,␊
79 0x00, 0x30, 0x08, 0x12, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40,␊
80 0x00, 0x00, 0x00, 0x00, 0x01, 0xac, 0x00, 0x00, 0x02, 0x51, 0x43, 0x89,␊
81 0x40, 0x90, 0x49, 0x15, 0x00, 0x00, 0x00, 0x28, 0x9c, 0x22, 0x44, 0x31,␊
82 0x02, 0x20, 0x48, 0x91, 0x00, 0x00, 0x00, 0x04, 0x46, 0x08, 0x28, 0x42,␊
83 0x21, 0x21, 0x10, 0x10, 0x08, 0x48, 0x24, 0x09, 0x11, 0x03, 0x06, 0x61,␊
84 0x10, 0x88, 0x44, 0x22, 0x12, 0x10, 0x84, 0x24, 0x12, 0x22, 0x22, 0x20,␊
85 0x80, 0x4a, 0x11, 0x00, 0x20, 0x04, 0x00, 0x01, 0x00, 0x40, 0x08, 0x00,␊
86 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,␊
87 0x02, 0x22, 0x00, 0x00, 0x02, 0x51, 0x45, 0x49, 0x40, 0x90, 0x89, 0x0a,␊
88 0x00, 0x00, 0x00, 0x48, 0x84, 0x02, 0x04, 0x51, 0x02, 0x00, 0x88, 0x91,␊
89 0x00, 0x00, 0x00, 0x04, 0x44, 0xd4, 0x28, 0x42, 0x40, 0x20, 0x90, 0x10,␊
90 0x10, 0x08, 0x24, 0x09, 0x21, 0x03, 0x06, 0x51, 0x20, 0x48, 0x48, 0x12,␊
91 0x12, 0x00, 0x84, 0x22, 0x22, 0x22, 0x22, 0x11, 0x00, 0x89, 0x12, 0x80,␊
92 0x31, 0xc5, 0x87, 0x0d, 0x1c, 0xe3, 0x4b, 0x12, 0x49, 0x29, 0x16, 0x1c,␊
93 0x58, 0x69, 0x4c, 0xe8, 0x91, 0x44, 0x61, 0x44, 0xf2, 0x22, 0x00, 0x00,␊
94 0x02, 0x07, 0xe5, 0x06, 0x80, 0x60, 0x10, 0x95, 0x08, 0x00, 0x00, 0x48,␊
95 0x84, 0x04, 0x18, 0x51, 0xe2, 0xc0, 0x87, 0x11, 0x24, 0x18, 0x03, 0x00,␊
96 0x89, 0x24, 0x44, 0x42, 0x40, 0x20, 0x90, 0x10, 0x10, 0x08, 0x24, 0x09,␊
97 0x41, 0x02, 0x8a, 0x51, 0x20, 0x48, 0x48, 0x12, 0x11, 0x80, 0x84, 0x22,␊
98 0x21, 0x24, 0x14, 0x11, 0x01, 0x09, 0x14, 0x40, 0x02, 0x26, 0x48, 0x93,␊
99 0x22, 0x44, 0xcc, 0x92, 0x51, 0x36, 0x99, 0x22, 0x64, 0x99, 0x92, 0x48,␊
100 0x91, 0x44, 0x52, 0x44, 0x12, 0x22, 0x00, 0x00, 0x02, 0x01, 0x43, 0x80,␊
101 0x80, 0xa0, 0x10, 0x84, 0x08, 0x00, 0x00, 0x88, 0x84, 0x08, 0x04, 0x90,␊
102 0x13, 0x21, 0x08, 0x8f, 0x00, 0x61, 0xf0, 0xc0, 0x8a, 0x24, 0x44, 0x7c,␊
103 0x40, 0x20, 0x9f, 0x9f, 0x11, 0xcf, 0xe4, 0x09, 0xc1, 0x02, 0x8a, 0x49,␊
104 0x20, 0x4f, 0x88, 0x13, 0xe0, 0x60, 0x84, 0x22, 0x21, 0x54, 0x08, 0x0a,␊
105 0x02, 0x08, 0x90, 0x00, 0x00, 0x24, 0x48, 0x11, 0x22, 0x44, 0x48, 0x92,␊
106 0x61, 0x24, 0x91, 0x22, 0x44, 0x89, 0x10, 0x48, 0x91, 0x24, 0x8c, 0x44,␊
107 0x22, 0x22, 0x64, 0x00, 0x02, 0x07, 0xe1, 0x41, 0x31, 0x14, 0x10, 0x80,␊
108 0x3e, 0x07, 0xc0, 0x88, 0x84, 0x10, 0x05, 0x10, 0x12, 0x21, 0x08, 0x81,␊
109 0x01, 0x80, 0x00, 0x31, 0x0a, 0x24, 0x7c, 0x42, 0x40, 0x20, 0x90, 0x10,␊
110 0x10, 0x48, 0x24, 0x09, 0x21, 0x02, 0x52, 0x45, 0x20, 0x48, 0x08, 0x92,␊
111 0x20, 0x10, 0x84, 0x21, 0x41, 0x54, 0x14, 0x04, 0x04, 0x08, 0x90, 0x00,␊
112 0x01, 0xe4, 0x48, 0x11, 0x3e, 0x44, 0x48, 0x92, 0x61, 0x24, 0x91, 0x22,␊
113 0x44, 0x89, 0x0c, 0x48, 0x8a, 0x24, 0x8c, 0x48, 0x44, 0x21, 0x98, 0x00,␊
114 0x02, 0x02, 0x85, 0x41, 0x49, 0x08, 0x10, 0x80, 0x08, 0x00, 0x00, 0x88,␊
115 0x84, 0x20, 0x45, 0xf9, 0x12, 0x21, 0x08, 0x81, 0x00, 0x61, 0xf0, 0xc1,␊
116 0x0a, 0x68, 0x82, 0x42, 0x40, 0x20, 0x90, 0x10, 0x10, 0x48, 0x24, 0x89,␊
117 0x11, 0x02, 0x52, 0x45, 0x20, 0x48, 0x08, 0x52, 0x12, 0x10, 0x84, 0x21,␊
118 0x40, 0x88, 0x22, 0x04, 0x08, 0x08, 0x90, 0x00, 0x02, 0x24, 0x48, 0x11,␊
119 0x20, 0x44, 0x48, 0x92, 0x51, 0x24, 0x91, 0x22, 0x44, 0x89, 0x02, 0x48,␊
120 0x8a, 0x2a, 0x92, 0x28, 0x42, 0x22, 0x00, 0x00, 0x00, 0x02, 0x85, 0x41,␊
121 0x49, 0x18, 0x10, 0x80, 0x08, 0x00, 0x01, 0x08, 0x84, 0x20, 0x44, 0x11,␊
122 0x12, 0x22, 0x08, 0x91, 0x00, 0x18, 0x03, 0x00, 0x09, 0xb0, 0x82, 0x42,␊
123 0x21, 0x21, 0x10, 0x10, 0x08, 0xc8, 0x24, 0x89, 0x09, 0x02, 0x22, 0x43,␊
124 0x10, 0x88, 0x04, 0x22, 0x12, 0x10, 0x84, 0x20, 0x80, 0x88, 0x22, 0x04,␊
125 0x10, 0x08, 0x50, 0x00, 0x02, 0x26, 0x48, 0x93, 0x22, 0x44, 0xc8, 0x92,␊
126 0x49, 0x24, 0x91, 0x22, 0x64, 0x99, 0x12, 0x49, 0x84, 0x11, 0x21, 0x28,␊
127 0x82, 0x22, 0x00, 0x00, 0x02, 0x02, 0x83, 0x82, 0x30, 0xe4, 0x10, 0x80,␊
128 0x00, 0x20, 0x05, 0x07, 0x04, 0x3e, 0x38, 0x10, 0xe1, 0xc2, 0x07, 0x0e,␊
129 0x24, 0x00, 0x00, 0x01, 0x04, 0x00, 0x82, 0x7c, 0x1e, 0x3e, 0x1f, 0x90,␊
130 0x07, 0x48, 0x24, 0x71, 0x05, 0xf2, 0x22, 0x41, 0x0f, 0x08, 0x03, 0xd2,␊
131 0x11, 0xe0, 0x83, 0xc0, 0x80, 0x88, 0x41, 0x04, 0x1f, 0xc8, 0x50, 0x00,␊
132 0x01, 0xd5, 0x87, 0x0d, 0x1c, 0x43, 0x48, 0x92, 0x45, 0x24, 0x91, 0x1c,␊
133 0x58, 0x69, 0x0c, 0x66, 0x84, 0x11, 0x21, 0x10, 0xf2, 0x22, 0x00, 0x00,␊
134 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x20, 0x00, 0x00,␊
135 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,␊
136 0x03, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
137 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
138 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,␊
139 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x40, 0x08, 0x00, 0x00,␊
140 0x00, 0x00, 0x00, 0x10, 0x02, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
141 0x00, 0x00, 0x09, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
142 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
143 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
144 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
145 0x00, 0x08, 0x10, 0x1f, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x04, 0x40, 0x02,␊
146 0x00, 0x00, 0x00, 0x00, 0x40, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20,␊
147 0x02, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,␊
148 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
149 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
150 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
151 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x30, 0x00,␊
152 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x80, 0x04, 0x00, 0x00, 0x00, 0x00,␊
153 0x40, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x01, 0xac, 0x00, 0x00␊
154};␊
155␊
156static Color palette[] =␊
157{␊
158 { 0xff, 0xff, 0xff, 0x00 },␊
159 { 0x00, 0x00, 0x00, 0xff },␊
160 { 0xff, 0xff, 0xc0, 0xff },␊
161 { 0x9f, 0x9f, 0x60, 0xff },␊
162 { 0x90, 0x00, 0x00, 0xff },␊
163 { 0x00, 0x90, 0x00, 0xff },␊
164 { 0x00, 0x00, 0x90, 0xff },␊
165 { 0xc0, 0xc0, 0xc0, 0xff }␊
166};␊
167␊
168// for alpha we use x^(1/1.3)␊
169static Color palette2[] =␊
170{␊
171 { 0x00, 0x00, 0x00, 0x00 },␊
172 { 0x00, 0x00, 0x00, 0x2e },␊
173 { 0x00, 0x00, 0x00, 0x48 },␊
174 { 0x00, 0x00, 0x00, 0x5d },␊
175 { 0x00, 0x00, 0x00, 0x6f },␊
176 { 0x00, 0x00, 0x00, 0x80 },␊
177 { 0x00, 0x00, 0x00, 0x8f },␊
178 { 0x00, 0x00, 0x00, 0x9e },␊
179 { 0x00, 0x00, 0x00, 0xac },␊
180 { 0x00, 0x00, 0x00, 0xb9 },␊
181 { 0x00, 0x00, 0x00, 0xc5 },␊
182 { 0x00, 0x00, 0x00, 0xd2 },␊
183 { 0x00, 0x00, 0x00, 0xdd },␊
184 { 0x00, 0x00, 0x00, 0xe9 },␊
185 { 0x00, 0x00, 0x00, 0xf4 },␊
186 { 0x00, 0x00, 0x00, 0xff }␊
187};␊
188␊
189static Color palette3[] =␊
190{␊
191 { 0xff, 0xff, 0xff, 0xff },␊
192 { 0xe0, 0xe0, 0xe0, 0xff },␊
193 { 0xd0, 0xd0, 0xd0, 0xff },␊
194 { 0xc0, 0xc0, 0xc0, 0xff },␊
195 { 0xb0, 0xb0, 0xb0, 0xff },␊
196 { 0xa0, 0xa0, 0xa0, 0xff },␊
197 { 0x90, 0x90, 0x90, 0xff },␊
198 { 0x80, 0x80, 0x80, 0xff },␊
199 { 0x70, 0x70, 0x70, 0xff },␊
200 { 0x60, 0x60, 0x60, 0xff },␊
201 { 0x50, 0x50, 0x50, 0xff },␊
202 { 0x40, 0x40, 0x40, 0xff },␊
203 { 0x30, 0x30, 0x30, 0xff },␊
204 { 0x20, 0x20, 0x20, 0xff },␊
205 { 0x10, 0x10, 0x10, 0xff },␊
206 { 0x00, 0x00, 0x00, 0xff }␊
207};␊
208␊
209␊
210Image::Image(int w,int h)␊
211{␊
212 static int hue = Config_getInt("HTML_COLORSTYLE_HUE");␊
213 static int sat = Config_getInt("HTML_COLORSTYLE_SAT");␊
214 static int gamma = Config_getInt("HTML_COLORSTYLE_GAMMA");␊
215␊
216 double red1,green1,blue1;␊
217 double red2,green2,blue2;␊
218␊
219 ColoredImage::hsl2rgb(hue/360.0, // hue␊
220 sat/255.0, // saturation␊
221 pow(235/255.0,gamma/100.0), // luma (gamma corrected)␊
222 &red1,&green1,&blue1␊
223 );␊
224␊
225 ColoredImage::hsl2rgb(hue/360.0, // hue␊
226 sat/255.0, // saturation␊
227 pow(138/255.0,gamma/100.0), // luma (gamma corrected)␊
228 &red2,&green2,&blue2␊
229 );␊
230␊
231 palette[2].red = (int)(red1 * 255.0);␊
232 palette[2].green = (int)(green1 * 255.0);␊
233 palette[2].blue = (int)(blue1 * 255.0);␊
234␊
235 palette[3].red = (int)(red2 * 255.0);␊
236 palette[3].green = (int)(green2 * 255.0);␊
237 palette[3].blue = (int)(blue2 * 255.0);␊
238␊
239 data = new uchar[w*h];␊
240 memset(data,0,w*h);␊
241 width = w;␊
242 height = h;␊
243}␊
244␊
245Image::~Image()␊
246{␊
247 delete[] data;␊
248}␊
249␊
250void Image::setPixel(int x,int y,uchar val)␊
251{␊
252 if (x>=0 && x<width && y>=0 && y<height)␊
253 data[y*width+x] = val;␊
254}␊
255␊
256uchar Image::getPixel(int x,int y) const␊
257{␊
258 if (x>=0 && x<width && y>=0 && y<height)␊
259 return data[y*width+x];␊
260 else␊
261 return 0;␊
262}␊
263␊
264void Image::writeChar(int x,int y,char c,uchar fg) ␊
265{␊
266 if (c>=' ')␊
267 {␊
268 int xf,yf,ci=c-' ';␊
269 int rowOffset=0;␊
270 int cw = charWidth[ci];␊
271 int cp = charPos[ci];␊
272 for (yf=0;yf<charHeight;yf++)␊
273 {␊
274 unsigned short bitPattern=0;␊
275 int bitsLeft=cw;␊
276 int byteOffset = rowOffset+(cp>>3);␊
277 int bitOffset = cp&7;␊
278 // get the bit pattern for row yf of the character from the font data␊
279 while (bitsLeft>0)␊
280 {␊
281 int bits=8-bitOffset;␊
282 if (bits>bitsLeft) bits=bitsLeft; ␊
283 bitPattern<<=bits; ␊
284 bitPattern|=((fontRaw[byteOffset]<<bitOffset)&0xff)>>(8-bits);␊
285 bitsLeft-=bits;␊
286 bitOffset=0;␊
287 byteOffset++;␊
288 }␊
289 int mask=1<<(cw-1);␊
290 // draw character row yf␊
291 for (xf=0;xf<cw;xf++)␊
292 {␊
293 setPixel(x+xf,y+yf,(bitPattern&mask) ? fg : getPixel(x+xf,y+yf));␊
294 mask>>=1;␊
295 }␊
296 rowOffset+=charSetWidth;␊
297 }␊
298 } ␊
299}␊
300␊
301void Image::writeString(int x,int y,const char *s,uchar fg) ␊
302{␊
303 if (s)␊
304 {␊
305 char c;␊
306 while ((c=*s++))␊
307 {␊
308 writeChar(x,y,c,fg);␊
309 x+=charWidth[c-' '];␊
310 }␊
311 }␊
312}␊
313␊
314uint Image::stringLength(const char *s) ␊
315{␊
316 int w=0;␊
317 if (s)␊
318 {␊
319 char c;␊
320 while ((c=*s++)) w+=charWidth[c-' '];␊
321 }␊
322 return w;␊
323}␊
324␊
325void Image::drawHorzLine(int y,int xs,int xe,uchar colIndex,uint mask)␊
326{␊
327 int x,i=0,j=0;␊
328 for (x=xs;x<=xe;x++,j++) ␊
329 {␊
330 if (j&1) i++;␊
331 if (mask&(1<<(i&0x1f))) setPixel(x,y,colIndex);␊
332 }␊
333} ␊
334␊
335void Image::drawHorzArrow(int y,int xs,int xe,uchar colIndex,uint mask)␊
336{␊
337 drawHorzLine(y,xs,xe,colIndex,mask);␊
338 int i;␊
339 for (i=0;i<6;i++)␊
340 {␊
341 int h=i>>1;␊
342 drawVertLine(xe-i,y-h,y+h,colIndex,0xffffffff);␊
343 }␊
344} ␊
345␊
346void Image::drawVertLine(int x,int ys,int ye,uchar colIndex,uint mask)␊
347{␊
348 int y,i=0;␊
349 for (y=ys;y<=ye;y++,i++) ␊
350 {␊
351 if (mask&(1<<(i&0x1f))) setPixel(x,y,colIndex);␊
352 }␊
353}␊
354␊
355void Image::drawVertArrow(int x,int ys,int ye,uchar colIndex,uint mask)␊
356{␊
357 drawVertLine(x,ys,ye,colIndex,mask);␊
358 int i;␊
359 for (i=0;i<6;i++)␊
360 {␊
361 int h=i>>1;␊
362 drawHorzLine(ys+i,x-h,x+h,colIndex,0xffffffff);␊
363 }␊
364}␊
365␊
366void Image::drawRect(int x,int y,int w,int h,uchar colIndex,uint mask)␊
367{␊
368 drawHorzLine(y,x,x+w-1,colIndex,mask);␊
369 drawHorzLine(y+h-1,x,x+w-1,colIndex,mask);␊
370 drawVertLine(x,y,y+h-1,colIndex,mask);␊
371 drawVertLine(x+w-1,y,y+h-1,colIndex,mask);␊
372}␊
373␊
374void Image::fillRect(int x,int y,int lwidth,int lheight,uchar colIndex,uint mask)␊
375{␊
376 int xp,yp,xi,yi;␊
377 for (yp=y,yi=0;yp<y+lheight;yp++,yi++)␊
378 for (xp=x,xi=0;xp<x+lwidth;xp++,xi++)␊
379 if (mask&(1<<((xi+yi)&0x1f))) ␊
380 setPixel(xp,yp,colIndex);␊
381}␊
382␊
383bool Image::save(const char *fileName,int mode)␊
384{␊
385#if 0␊
386 GifEncoder gifenc(data,␊
387 mode==0 ? palette : palette2,␊
388 width,height,␊
389 mode==0 ? 3 : 4,␊
390 0);␊
391 QFile file(fileName);␊
392 if (file.open(IO_WriteOnly))␊
393 {␊
394 gifenc.writeGIF(file);␊
395 return TRUE;␊
396 }␊
397 else␊
398 {␊
399 return FALSE;␊
400 }␊
401#endif␊
402 static bool useTransparency = Config_getBool("FORMULA_TRANSPARENT");␊
403 uchar* buffer;␊
404 size_t bufferSize;␊
405 LodePNG_Encoder encoder;␊
406 LodePNG_Encoder_init(&encoder);␊
407 int numCols = mode==0 ? 8 : 16;␊
408 Color *pPal = mode==0 ? palette : ␊
409 useTransparency ? palette2 : ␊
410 palette3 ;␊
411 int i;␊
412 for (i=0;i<numCols;i++,pPal++)␊
413 {␊
414 LodePNG_InfoColor_addPalette(&encoder.infoPng.color,␊
415 pPal->red,pPal->green,pPal->blue,pPal->alpha);␊
416 }␊
417 encoder.infoPng.color.colorType = 3; ␊
418 encoder.infoRaw.color.colorType = 3;␊
419 LodePNG_encode(&encoder, &buffer, &bufferSize, data, width, height);␊
420 LodePNG_saveFile(buffer, bufferSize, fileName);␊
421 free(buffer);␊
422 LodePNG_Encoder_cleanup(&encoder);␊
423 return TRUE;␊
424}␊
425␊
426//----------------------------------------------------------------␊
427␊
428void ColoredImage::hsl2rgb(double h,double s,double l,␊
429 double *pRed,double *pGreen,double *pBlue)␊
430{␊
431 double v;␊
432 double r,g,b;␊
433␊
434 r = l; // default to gray␊
435 g = l;␊
436 b = l;␊
437 v = (l <= 0.5) ? (l * (1.0 + s)) : (l + s - l * s);␊
438 if (v > 0)␊
439 {␊
440 double m;␊
441 double sv;␊
442 int sextant;␊
443 double fract, vsf, mid1, mid2;␊
444␊
445 m = l + l - v;␊
446 sv = (v - m ) / v;␊
447 h *= 6.0;␊
448 sextant = (int)h;␊
449 fract = h - sextant;␊
450 vsf = v * sv * fract;␊
451 mid1 = m + vsf;␊
452 mid2 = v - vsf;␊
453 switch (sextant)␊
454 {␊
455 case 0:␊
456 r = v;␊
457 g = mid1;␊
458 b = m;␊
459 break;␊
460 case 1:␊
461 r = mid2;␊
462 g = v;␊
463 b = m;␊
464 break;␊
465 case 2:␊
466 r = m;␊
467 g = v;␊
468 b = mid1;␊
469 break;␊
470 case 3:␊
471 r = m;␊
472 g = mid2;␊
473 b = v;␊
474 break;␊
475 case 4:␊
476 r = mid1;␊
477 g = m;␊
478 b = v;␊
479 break;␊
480 case 5:␊
481 r = v;␊
482 g = m;␊
483 b = mid2;␊
484 break;␊
485 }␊
486 }␊
487 *pRed = r;␊
488 *pGreen = g;␊
489 *pBlue = b;␊
490}␊
491␊
492ColoredImage::ColoredImage(int width,int height,␊
493 const uchar *greyLevels,const uchar *alphaLevels,␊
494 int saturation,int hue,int gamma)␊
495{␊
496 m_hasAlpha = alphaLevels!=0;␊
497 m_width = width;␊
498 m_height = height;␊
499 m_data = (uchar*)malloc(width*height*4);␊
500 int i;␊
501 for (i=0;i<width*height;i++)␊
502 {␊
503 uchar r,g,b,a;␊
504 double red,green,blue;␊
505 hsl2rgb(hue/360.0, // hue␊
506 saturation/255.0, // saturation␊
507 pow(greyLevels[i]/255.0,gamma/100.0), // luma (gamma corrected)␊
508 &red,&green,&blue);␊
509 r = (int)(red *255.0);␊
510 g = (int)(green*255.0);␊
511 b = (int)(blue *255.0);␊
512 a = alphaLevels ? alphaLevels[i] : 255;␊
513 m_data[i*4+0]=r;␊
514 m_data[i*4+1]=g;␊
515 m_data[i*4+2]=b;␊
516 m_data[i*4+3]=a;␊
517 }␊
518}␊
519␊
520ColoredImage::~ColoredImage()␊
521{␊
522 free(m_data);␊
523}␊
524␊
525bool ColoredImage::save(const char *fileName)␊
526{␊
527 uchar *buffer;␊
528 size_t bufferSize;␊
529 LodePNG_Encoder encoder;␊
530 LodePNG_Encoder_init(&encoder);␊
531 encoder.infoPng.color.colorType = m_hasAlpha ? 6 : 2; // 2=RGB 24 bit, 6=RGBA 32 bit␊
532 encoder.infoRaw.color.colorType = 6; // 6=RGBA 32 bit␊
533 LodePNG_encode(&encoder, &buffer, &bufferSize, m_data, m_width, m_height);␊
534 LodePNG_saveFile(buffer, bufferSize, fileName);␊
535 LodePNG_Encoder_cleanup(&encoder);␊
536 free(buffer);␊
537 return TRUE;␊
538}␊
539␊
540␊
541

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