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annotate files.pde @ 228:c9a77d87e380

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Cleanup.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 05 Sep 2018 22:28:15 +0300
parents 1c9deae71fb1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 boolean mpHaveLocalStorage()
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2 {
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3 var test = 'mpLSTest';
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4 try
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5 {
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6 localStorage.setItem(test, test);
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7 if (localStorage.getItem(test) == test)
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8 {
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9 localStorage.removeItem(test);
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10 return true;
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11 }
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12 }
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13 catch (e)
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14 {
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15 return false;
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16 }
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17 return false;
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18 }
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20
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21 function mpLoadFileSelector(fmtname, fmtexts, fcallback)
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22 {
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23 var mpUI = mpDisplayGUI();
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24 if (mpUI)
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25 {
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26 stClearChildren(mpUI);
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27
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28 mobj = stCE("input", "mpFileSelector");
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29 mobj.type = "file";
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30 mobj.name = "name";
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31 mobj.multiple = false;
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32
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33 if (fmtexts != null)
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34 mobj.accept = fmtexts;
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35
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36 stAddEventOb(mobj.name, mobj, "change",
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37 function (evt)
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38 {
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39 var files = evt.target.files;
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40 if (files.length > 0)
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41 {
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42 var freader = new FileReader();
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43
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44 freader.onloadend = (function (theFile)
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45 {
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46 fcallback(theFile, new Uint8Array(freader.result));
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47 });
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48
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49 freader.readAsArrayBuffer(files[0]);
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50 }
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51
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52 mpHideGUI();
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53 });
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54
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55 mpUI.appendChild(mobj);
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56
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57 mobj = stCE("button", "mpFileSelectorCancel");
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58 mobj.textContent = "Cancel";
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59 stAddEventOb(mobj.name, mobj, "click",
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60 function (evt)
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61 {
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62 mpHideGUI();
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63 });
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64 mpUI.appendChild(mobj);
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65
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66 mobj = stCE("span", "mpFileInfo");
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67 mobj.innerHTML = "Load / import an '<b>"+ fmtname +"</b>' file.";
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68 mpUI.appendChild(mobj);
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69 }
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70 else
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71 return null;
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72 }
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74
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75 //
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76 // Basically the same as Processing loadBytes(), but it seems
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77 // that Processing.JS's loadBytes() is broken at least in v1.4.8
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78 // and does not return byte-clean data. So roll a replacement of
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79 // our own design. --ccr
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80 //
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81 byte[] mpLoadBinaryFile(String url)
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82 {
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83 var xhr = new XMLHttpRequest();
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84 xhr.open("GET", url, false);
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85 xhr.overrideMimeType("text/plain; charset=x-user-defined");
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86 xhr.setRequestHeader("If-Modified-Since", "Fri, 01 Jan 1960 00:00:00 GMT");
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87 xhr.send(null);
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88
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89 if (xhr.status !== 200 && xhr.status !== 0)
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90 return null;
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91
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92 var string = xhr.responseText;
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93 byte[] ret = new byte[string.length];
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94
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95 for (var i = 0; i < string.length; i++)
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96 {
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97 ret[i] = string.charCodeAt(i) & 0xff;
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98 }
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99
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100 return ret;
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101 }
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102
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103
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104 Blob mpMakeBinaryBlob(byte[] data)
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105 {
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106 var blob = null;
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107 if (data == null)
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108 return null;
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109
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110 if (typeof(data) == "string")
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111 blob = new Blob([data], {type: "application/octet-stream"});
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112 else
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113 if (typeof(data) == "object")
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114 blob = new Blob([new Uint8Array(data)], {type: "application/octet-stream"});
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115
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116 return blob;
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117 }
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118
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119
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120 //
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121 // "Save" a byte array to file. Basically creates a blob URI
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122 // and dumps it in the DOM, giving user a download.
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123 //
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124 boolean mpSaveBinaryBlob(String name, void blob)
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125 {
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126 var url = window.URL.createObjectURL(blob);
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127 if (url == null)
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128 {
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129 console.log("Could not create URL from BLOB object.");
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130 return false;
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131 }
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132
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133 var alink = stCE("a");
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134 var mpUI = stGE("mpUI2");
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135 stClearChildren(mpUI);
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136 mpUI.appendChild(alink);
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137
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138 alink.style = "display: none";
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139 alink.href = url;
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140 alink.download = name;
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141 alink.click();
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142
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143 window.URL.revokeObjectURL(url);
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144 return true;
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145 }
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146
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147
200
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148 boolean mpSaveBinaryFile(String name, byte[] data)
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149 {
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150 var blob = mpMakeBinaryBlob(data);
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151 if (blob == null)
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152 {
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153 console.log("Could not create BLOB from data.");
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154 return false;
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155 }
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156
dffdbdb4ded6 Split mpSaveBinaryFile() into mpSaveBinaryBlob() for saving JavaScript
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157 return mpSaveBinaryBlob(name, blob);
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158 }
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159
dffdbdb4ded6 Split mpSaveBinaryFile() into mpSaveBinaryBlob() for saving JavaScript
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160
228
c9a77d87e380 Cleanup.
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161 boolean mpImportAnyImage(PImage simg)
195
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162 {
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163 int lefth = g_farge;
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164 int righth = g_backg;
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165 storeparameters();
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166
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167 g_data[int('d')] = 0;
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168 g_data[int('t')] = 0;
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169 g_data[int('b')] = 1; //old IQ
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170
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171 if (!mpImportFromImage(simg))
228
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172 return false;
195
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173
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174 restoreparameters();
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175 refreshpalette();
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176 refresh();
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177 g_boxreconstruct = 2;
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178 selectcolor(0, lefth);
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179 selectcolor(1, righth);
228
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180 return true;
195
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181 }
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182
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183
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184 byte[] mpGetNativeImage()
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185 {
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186 //save the picture page g_map[], make sure some essential parameters are correct
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187 g_map[3] = byte(g_machine);
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188 g_map[5] = byte(MX);
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189 g_map[7] = byte(MY);
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190
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191 return g_map;
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192 }
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193
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194
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195 int mpSetNativeImage(byte[] data, boolean noError)
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196 {
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197 if (data == null)
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198 return -1;
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199
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200 if (data[3] != g_machine && !noError)
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201 return -2;
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202
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203 store_undo();
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204
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205 g_map = data;
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206
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207 refreshpalette();
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208 consistency();
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209 g_farge = int(g_realfront);
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210 g_ofarge = g_farge;
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211 g_backg = int(g_realback);
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212 sussborder();
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213
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214 return 0;
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215 }
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216
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217
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218 int mpLoadNativeImage(String name, boolean noError)
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219 {
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220 return mpSetNativeImage(
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221 mpLoadBinaryFile(name), noError);
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222 }
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223
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224
208
c6c1dd769566 Some work towards user-selectable alternate palettes in the launcher.
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225 // XXX TODO: Make this support other platforms than C64
195
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226 boolean mpLoadPalette(String fname)
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227 {
212
b3579297e04e Implement rest of the stuff needed for selecting external palettes in the
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228 String ffname = "palettes/"+ g_map[13] +"/"+ fname;
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229 byte fdata[] = mpLoadBinaryFile(ffname);
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230
195
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231 if (fdata == null ||
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232 fdata.length != 772 ||
212
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diff changeset
233 fdata[0x301] != 0x10 ||
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diff changeset
234 fdata[0x302] != 0xff ||
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diff changeset
235 fdata[0x303] != 0xff)
195
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236 {
212
b3579297e04e Implement rest of the stuff needed for selecting external palettes in the
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diff changeset
237 console.log("Could not load palette file '"+ ffname +"'.");
195
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238 return false;
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239 }
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240
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241 for (int n = 0; n < 16; n++)
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242 {
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diff changeset
243 makecolor(n,
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244 int(fdata[n * 3]),
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245 int(fdata[n * 3 + 1]),
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diff changeset
246 int(fdata[n * 3 + 2]));
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247 }
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248
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249 mpSetUIColors();
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250
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251 sussborder();
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252 refresh_all();
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253
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254 return true;
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255 }