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Source at commit 1322 created 12 years 8 months ago. By meklort, Add doxygen to utils folder | |
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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 | ␊ |
26 | typedef unsigned char Byte;␊ |
27 | ␊ |
28 | struct Color␊ |
29 | {␊ |
30 | Byte red;␊ |
31 | Byte green;␊ |
32 | Byte blue;␊ |
33 | Byte alpha;␊ |
34 | };␊ |
35 | ␊ |
36 | const int charSetWidth=80;␊ |
37 | const int charHeight=12;␊ |
38 | const int numChars=96;␊ |
39 | ␊ |
40 | unsigned 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 | ␊ |
56 | unsigned 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 | ␊ |
73 | unsigned 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 | ␊ |
156 | static 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)␊ |
169 | static 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 | ␊ |
189 | static 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 | ␊ |
210 | Image::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 | ␊ |
245 | Image::~Image()␊ |
246 | {␊ |
247 | delete[] data;␊ |
248 | }␊ |
249 | ␊ |
250 | void 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 | ␊ |
256 | uchar 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 | ␊ |
264 | void 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 | ␊ |
301 | void 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 | ␊ |
314 | uint 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 | ␊ |
325 | void 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 | ␊ |
335 | void 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 | ␊ |
346 | void 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 | ␊ |
355 | void 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 | ␊ |
366 | void 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 | ␊ |
374 | void 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 | ␊ |
383 | bool 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 | ␊ |
428 | void 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 | ␊ |
492 | ColoredImage::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 | ␊ |
520 | ColoredImage::~ColoredImage()␊ |
521 | {␊ |
522 | free(m_data);␊ |
523 | }␊ |
524 | ␊ |
525 | bool 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 |