1 // (c) Copyright 2006,2007 notaz, All rights reserved.
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2 // Free for non-commercial use.
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4 // For commercial use, separate licencing terms must be obtained.
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13 #include "readpng.h"
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14 #include "lprintf.h"
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16 #if defined(__GP2X__)
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17 #include "../gp2x/gp2x.h"
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18 #define SCREEN_WIDTH 320
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19 #define SCREEN_BUFFER gp2x_screen
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20 #elif defined(__GIZ__)
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21 #include "../gizmondo/giz.h"
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22 #define SCREEN_WIDTH 321
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23 #define SCREEN_BUFFER giz_screen
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26 static unsigned char menu_font_data[10240];
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27 static int menu_text_color = 0xffff; // default to white
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28 static int menu_sel_color = -1; // disabled
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30 // draws text to current bbp16 screen
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31 static void text_out16_(int x, int y, const char *text, int color)
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33 int i, l, u, tr, tg, tb, len;
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34 unsigned short *dest = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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35 tr = (color & 0xf800) >> 8;
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36 tg = (color & 0x07e0) >> 3;
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37 tb = (color & 0x001f) << 3;
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39 if (text == (void *)1)
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48 for (i = 0; i < len; i++)
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50 unsigned char *src = menu_font_data + (unsigned int)text[i]*4*10;
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51 unsigned short *dst = dest;
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52 for (l = 0; l < 10; l++, dst += SCREEN_WIDTH-8)
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54 for (u = 8/2; u > 0; u--, src++)
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58 r = (*dst & 0xf800) >> 8;
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59 g = (*dst & 0x07e0) >> 3;
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60 b = (*dst & 0x001f) << 3;
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61 r = (c^0xf)*r/15 + c*tr/15;
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62 g = (c^0xf)*g/15 + c*tg/15;
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63 b = (c^0xf)*b/15 + c*tb/15;
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64 *dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);
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66 r = (*dst & 0xf800) >> 8;
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67 g = (*dst & 0x07e0) >> 3;
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68 b = (*dst & 0x001f) << 3;
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69 r = (c^0xf)*r/15 + c*tr/15;
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70 g = (c^0xf)*g/15 + c*tg/15;
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71 b = (c^0xf)*b/15 + c*tb/15;
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72 *dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);
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79 void text_out16(int x, int y, const char *texto, ...)
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84 va_start(args,texto);
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85 vsprintf(buffer,texto,args);
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88 text_out16_(x,y,buffer,menu_text_color);
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92 void smalltext_out16(int x, int y, const char *texto, int color)
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96 unsigned short *dst;
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98 for (i = 0;; i++, x += 6)
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100 unsigned char c = (unsigned char) texto[i];
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105 src = fontdata6x8[c];
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106 dst = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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113 if( *src & w ) *dst = color;
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119 dst += SCREEN_WIDTH-6;
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124 void smalltext_out16_lim(int x, int y, const char *texto, int color, int max)
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126 char buffer[SCREEN_WIDTH/6+1];
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128 strncpy(buffer, texto, SCREEN_WIDTH/6);
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129 if (max > SCREEN_WIDTH/6) max = SCREEN_WIDTH/6;
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130 if (max < 0) max = 0;
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133 smalltext_out16(x, y, buffer, color);
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136 void menu_draw_selection(int x, int y, int w)
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139 unsigned short *dst, *dest;
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141 text_out16_(x, y, (void *)1, (menu_sel_color < 0) ? menu_text_color : menu_sel_color);
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143 if (menu_sel_color < 0) return; // no selection hilight
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146 dest = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH + 14;
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147 for (h = 11; h > 0; h--)
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150 for (i = w; i > 0; i--)
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151 *dst++ = menu_sel_color;
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152 dest += SCREEN_WIDTH;
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156 static int parse_hex_color(char *buff)
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159 int t = (int) strtoul(buff, &endp, 16);
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160 if (endp != buff) return ((t>>8)&0xf800) | ((t>>5)&0x07e0) | ((t>>3)&0x1f);
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164 void menu_init(void)
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167 unsigned char *fd = menu_font_data;
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171 // generate default font from fontdata8x8
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172 memset(menu_font_data, 0, sizeof(menu_font_data));
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173 for (c = 0; c < 256; c++)
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175 for (l = 0; l < 8; l++)
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177 unsigned char fd8x8 = fontdata8x8[c*8+l];
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178 if (fd8x8&0x80) *fd |= 0xf0;
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179 if (fd8x8&0x40) *fd |= 0x0f; fd++;
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180 if (fd8x8&0x20) *fd |= 0xf0;
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181 if (fd8x8&0x10) *fd |= 0x0f; fd++;
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182 if (fd8x8&0x08) *fd |= 0xf0;
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183 if (fd8x8&0x04) *fd |= 0x0f; fd++;
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184 if (fd8x8&0x02) *fd |= 0xf0;
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185 if (fd8x8&0x01) *fd |= 0x0f; fd++;
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187 fd += 8*2/2; // 2 empty lines
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190 // load custom font and selector (stored as 1st symbol in font table)
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191 readpng(menu_font_data, "skin/font.png", READPNG_FONT);
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192 memcpy(menu_font_data, menu_font_data + ((int)'>')*4*10, 4*10); // default selector symbol is '>'
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193 readpng(menu_font_data, "skin/selector.png", READPNG_SELECTOR);
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195 // load custom colors
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196 f = fopen("skin/skin.txt", "r");
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199 lprintf("found skin.txt\n");
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202 fgets(buff, sizeof(buff), f);
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203 if (buff[0] == '#' || buff[0] == '/') continue; // comment
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204 if (buff[0] == '\r' || buff[0] == '\n') continue; // empty line
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205 if (strncmp(buff, "text_color=", 11) == 0)
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207 int tmp = parse_hex_color(buff+11);
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208 if (tmp >= 0) menu_text_color = tmp;
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209 else lprintf("skin.txt: parse error for text_color\n");
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211 else if (strncmp(buff, "selection_color=", 16) == 0)
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213 int tmp = parse_hex_color(buff+16);
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214 if (tmp >= 0) menu_sel_color = tmp;
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215 else lprintf("skin.txt: parse error for selection_color\n");
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218 lprintf("skin.txt: parse error: %s\n", buff);
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225 int me_id2offset(const menu_entry *entries, int count, menu_id id)
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228 for (i = 0; i < count; i++)
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230 if (entries[i].id == id) return i;
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233 lprintf("%s: id %i not found\n", __FUNCTION__, id);
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237 void me_enable(menu_entry *entries, int count, menu_id id, int enable)
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239 int i = me_id2offset(entries, count, id);
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240 entries[i].enabled = enable;
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243 int me_count_enabled(const menu_entry *entries, int count)
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247 for (i = 0; i < count; i++)
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249 if (entries[i].enabled) ret++;
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255 menu_id me_index2id(const menu_entry *entries, int count, int index)
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259 for (i = 0; i < count; i++)
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261 if (entries[i].enabled)
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263 if (index == 0) break;
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267 if (i >= count) i = count - 1;
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268 return entries[i].id;
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271 void me_draw(const menu_entry *entries, int count, int x, int y, me_draw_custom_f *cust_draw, void *param)
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275 for (i = 0; i < count; i++)
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277 if (!entries[i].enabled) continue;
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278 if (entries[i].name == NULL)
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280 if (cust_draw != NULL)
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281 cust_draw(&entries[i], x, y1, param);
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285 text_out16(x, y1, entries[i].name);
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286 if (entries[i].beh == MB_ONOFF)
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287 text_out16(x + 27*8, y1, (*(int *)entries[i].var & entries[i].mask) ? "ON" : "OFF");
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288 else if (entries[i].beh == MB_RANGE)
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289 text_out16(x + 27*8, y1, "%i", *(int *)entries[i].var);
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294 int me_process(menu_entry *entries, int count, menu_id id, int is_next)
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296 int i = me_id2offset(entries, count, id);
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297 menu_entry *entry = &entries[i];
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298 switch (entry->beh)
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301 *(int *)entry->var ^= entry->mask;
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304 *(int *)entry->var += is_next ? 1 : -1;
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305 if (*(int *)entry->var < (int)entry->min) *(int *)entry->var = (int)entry->min;
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306 if (*(int *)entry->var > (int)entry->max) *(int *)entry->var = (int)entry->max;
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