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comparison font/text_stream.cc @ 0:223b71206888

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author thib
date Fri, 01 Aug 2008 16:32:45 +0000
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children b753afeb3f34
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-1:000000000000 0:223b71206888
1 /*
2 * Copyright (c) 2004 Kazunori "jagarl" Ueno
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "text.h"
29 #include "codeconv.h"
30 #include<stdio.h>
31
32 /************************************************************************
33 **
34 ** TextStream
35 **
36 */
37
38 TextStream::TextStream(void) {
39 kanji_type = euc;
40 }
41 void TextStream::SetSize(double scale) {
42 TextElem elem;
43 elem.type = TextElem::size;
44 elem.impl.Size.scale = scale;
45 container.push_back(elem);
46 }
47 void TextStream::SetColor(unsigned char r, unsigned char g, unsigned char b) {
48 TextElem elem;
49 elem.type = TextElem::color;
50 elem.impl.Color.r = r;
51 elem.impl.Color.g = g;
52 elem.impl.Color.b = b;
53 container.push_back(elem);
54 }
55 void TextStream::InsertColor(int begin_pos, int end_pos, unsigned char r, unsigned char g, unsigned char b) {
56 TextElem elem;
57 if (begin_pos < 0) begin_pos = 0;
58 if (begin_pos > container.size()) begin_pos = container.size();
59 if (end_pos < 0) end_pos = 0;
60 if (end_pos > container.size()) end_pos = container.size();
61 if (begin_pos >= end_pos) return;
62
63 elem.type = TextElem::color;
64 elem.impl.Color.r = 255;
65 elem.impl.Color.g = 255;
66 elem.impl.Color.b = 255;
67 container.insert(container.begin()+end_pos, elem);
68 elem.impl.Color.r = r;
69 elem.impl.Color.g = g;
70 elem.impl.Color.b = b;
71 container.insert(container.begin()+begin_pos, elem);
72 Iterator it = container.begin()+begin_pos+1;
73 Iterator end = container.begin()+end_pos+1;
74 for (; it != end; it++) {
75 if (it->type == TextElem::color) {
76 TextElem& elem = *it;
77 if (elem.impl.Color.r == 255 && elem.impl.Color.g == 255 && elem.impl.Color.b == 255) {
78 elem.impl.Color.r = r;
79 elem.impl.Color.g = g;
80 elem.impl.Color.b = b;
81 }
82 }
83 }
84 }
85 void TextStream::Clear(void) {
86 container.clear();
87 }
88 void TextStream::Add(const char* str) {
89 TextElem elem;
90 for (; *str; str++) {
91 if (*str >= 0x20) {
92 elem.type = TextElem::glyph;
93 elem.impl.Glyph.code = *str;
94 } else if (*str < 0 && str[1] != 0) {
95 elem.type = TextElem::glyph;
96 elem.impl.Glyph.code = ((int(*(unsigned char*)str))<<8) | int(*(unsigned char*)(str+1));
97 if (kanji_type == sjis) elem.impl.Glyph.code = codeconv_sjis_to_euc(elem.impl.Glyph.code);
98 str++;
99 } else {
100 continue;
101 }
102 container.push_back(elem);
103 }
104 }
105 void TextStream::AddReturn(void) {
106 TextElem elem;
107 elem.type = TextElem::escape;
108 elem.impl.Escape.type = TextElem::ret;
109 container.push_back(elem);
110 }
111 void TextStream::AddName(const char* str) {
112 TextElem elem;
113 elem.type = TextElem::escape;
114 elem.impl.Escape.type = TextElem::name_start;
115 container.push_back(elem);
116 Add(str);
117 elem.impl.Escape.type = TextElem::name_end;
118 container.push_back(elem);
119 }
120
121 void TextStream::AddRuby(const char* str, const char* ruby) {
122 TextElem elem;
123 elem.type = TextElem::escape;
124 elem.impl.Escape.type = TextElem::ruby_start;
125 container.push_back(elem);
126 Add(str);
127 elem.impl.Escape.type = TextElem::ruby_startruby;
128 container.push_back(elem);
129 Add(ruby);
130 elem.impl.Escape.type = TextElem::ruby_end;
131 container.push_back(elem);
132 }
133
134 void TextStream::RemoveName(char* name, int namelen) {
135 Iterator it;
136 for (it = container.begin(); it != container.end(); it++) {
137 if (it->type == TextElem::escape && it->impl.Escape.type == TextElem::name_start) {
138 // 行頭の名前？
139 int pt = it - container.begin();
140 Iterator name_start = it;
141 for (; it != container.end(); it++) {
142 if (it->type == TextElem::escape && it->impl.Escape.type == TextElem::name_end) break;
143 }
144 if (it != container.end()) {
145 // 名前が見つかったので削除
146 if (name) { // 保存先があるなら保存する
147 Iterator name_end = it;
148 int pos = 0;
149 namelen--;
150 for (it=name_start; it != name_end; it++) {
151 if (it->type == TextElem::glyph) {
152 unsigned int code = it->impl.Glyph.code;
153 if (code < 0x100) {
154 if (pos < namelen) name[pos++] = code;
155 } else {
156 if (pos < namelen) name[pos++] = code>>8;
157 if (pos < namelen) name[pos++] = code;
158 }
159 }
160 }
161 name[pos] = 0;
162 name = 0; // 最初に出た名前のみ保存する
163 }
164 it++;
165 container.erase(name_start, it);
166 it = container.begin() + pt;
167 }
168 }
169 for (;it != container.end(); it++) {
170 if (it->type == TextElem::escape && it->impl.Escape.type == TextElem::ret) break;
171 }
172 if (it == container.end()) break;
173 }
174 }
175
176 /************************************************************************
177 **
178 ** TextStream::Save
179 **
180 */
181
182 /* escape sequence : '=XX' ; x < 0x30 || 'x>0x39 && x<0x40' (symbols) */
183 /* !"#$%&'()*+,-./:;<=>? */
184
185 void TextStream::Load(const std::string& from_s) {
186 /* kigou : !"#$%&'()*+,-./:;<=>? */
187 const char* s = from_s.c_str();
188 container.clear();
189 if (*s == '=' && *s == 'e') {kanji_type = euc; s+=2;}
190
191 TextElem e;
192 while(s && *s) {
193 e.type = TextElem::glyph;
194 if (*s == '=') {
195 if (s[1] >= 'A' && s[1] <= 'Q' && s[2] >= 'A' && s[2] <= 'Q') { // symbols
196 e.type = TextElem::glyph;
197 e.impl.Glyph.code = (s[1]-'A')*16 + (s[2]-'A');
198 s += 3;
199 } else if (s[1] == 'x') {
200 e.type = TextElem::escape;
201 e.impl.Escape.type = TextElem::EscapeType(s[2]-'A');
202 s += 3;
203 } else if (s[1] == 'c') {
204 int c;
205 e.type = TextElem::color;
206 sscanf(s+2, "%x", &c);
207 e.impl.Color.r = (c>>16)&0xff;
208 e.impl.Color.g = (c>>8)&0xff;
209 e.impl.Color.b = (c)&0xff;
210 s = strchr(s, '.');
211 if (s) s++;
212 } else if (s[1] == 's') {
213 e.impl.Size.scale = TextElem::size;
214 sscanf(s+2, "%f", &e.impl.Size.scale);
215 s = strchr(s, '.');
216 if (s) s++;
217 } else {
218 fprintf(stderr,"TextStream::Load(): Cannot convert text-stream from Serialized-data\n");
219 s++;
220 }
221 } else {
222 if (*s < 0) { // kanji-code
223 if (s[1] == 0) break;
224 if (s[1] >= 0 && s[1] < 0x40) break; // not EUC nor SJIS
225 e.type = TextElem::glyph;
226 e.impl.Glyph.code = codeconv_sjis_to_euc(int(*(unsigned char*)(s))*0x100 + int(*(unsigned char*)(s+1)));
227 s += 2;
228 } else { // ascii-code
229 if (s[0] < 0x30) break; // must be escaped
230 if (s[0] > 0x39 && s[0] < 0x40) break; // must be escaped
231 e.type = TextElem::glyph;
232 e.impl.Glyph.code = s[0];
233 s++;
234 }
235 }
236 container.push_back(e);
237 }
238 }
239
240 std::string TextStream::Save(void) {
241 /* kigou : !"#$%&'()*+,-./:;<=>? */
242 Iterator it;
243 std::string ret_s;
244 char buf_orig[1024];
245 char* buf = buf_orig;
246 for (it=container.begin(); it != container.end(); it++) {
247 TextElem& e = *it;
248 switch(e.type) {
249 case TextElem::glyph: {
250 int code = e.impl.Glyph.code;
251 if (code < 0x30 || (code > 0x39 && code < 0x40)) {
252 *buf++ = '=';
253 *buf++ = (code/0x10) + 'A';
254 *buf++ = (code%0x10) + 'A';
255 } else {
256 code = codeconv_euc_to_sjis(code); // save file の漢字コードはSJIS
257 *buf++ = code/256;
258 *buf++ = code%256;
259 }
260 break;
261 }
262 case TextElem::escape:
263 sprintf(buf, "=x%c", e.impl.Escape.type+'A');
264 buf += 3;
265 break;
266 case TextElem::color:
267 sprintf(buf, "=c%x.",int(e.impl.Color.r)*256*256+int(e.impl.Color.g)*256+e.impl.Color.b);
268 buf += strlen(buf);
269 break;
270 case TextElem::size:
271 sprintf(buf, "=s%f.", e.impl.Size.scale);
272 buf += strlen(buf);
273 break;
274 }
275 if (buf-buf_orig > 1000) {
276 *buf = 0;
277 ret_s += buf_orig;
278 buf = buf_orig;
279 }
280 }
281 *buf = 0;
282 ret_s += buf_orig;
283 buf = buf_orig;
284 return ret_s;
285 }
286
287 /************************************************************************
288 **
289 ** TextGlyphStream
290 **
291 */
292
293 void TextGlyphStream::SetColor(int r, int g, int b) {
294 iterator it;
295 for (it=begin(); it != end(); it++) {
296 // if (it->r == 255 && it->g == 255 && it->b == 255) {
297 it->r = r;
298 it->g = g;
299 it->b = b;
300 // }
301 }
302 }
303 void TextGlyphStream::SetReverse(bool is_rev) {
304 iterator it;
305 for (it=begin(); it != end(); it++) {
306 it->is_rev = is_rev;
307 }
308 }