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