1 | /********************************************************************** <BR>
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2 | This file is part of Crack dot Com's free source code release of
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3 | Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
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4 | information about compiling & licensing issues visit this URL</a>
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5 | <PRE> If that doesn't help, contact Jonathan Clark at
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6 | golgotha_source@usa.net (Subject should have "GOLG" in it)
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7 | ***********************************************************************/
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8 |
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9 | #ifndef I4_COLOR_HH
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10 | #define I4_COLOR_HH
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11 | #include "arch.hh"
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12 |
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13 | inline w16 i4_32bpp_to_16bpp(w32 color)
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14 | {
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15 | w32 r=(color>>16)&0xff, g=(color>>8)&0xff, b=(color>>0)&0xff;
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16 |
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17 | r=(r>>3);
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18 | g=(g>>2);
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19 | b=(b>>3);
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20 |
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21 | return (r<<(5+6)) | (g<<5) | b;
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22 | }
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23 |
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24 |
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25 | inline w16 i4_32bpp_to_15bpp(w32 color)
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26 | {
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27 | w32 r=(color>>(16+3)) & (1 | 2 | 4 | 8 | 16);
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28 | w32 g=(color>>(8+3)) & (1 | 2 | 4 | 8 | 16);
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29 | w32 b=(color>>(0+3)) & (1 | 2 | 4 | 8 | 16);
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30 |
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31 | return (r<<(5+5)) | (g<<5) | b;
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32 | }
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33 |
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34 | inline void i4_32bpp_to_rgb(w32 color, w8 &r, w8 &g, w8 &b)
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35 | {
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36 | r=(color>>16)&0xff;
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37 | g=(color>>8)&0xff;
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38 | b=color&0xff;
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39 | }
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40 |
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41 | inline w32 i4_15bpp_to_32bpp(w32 color)
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42 | {
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43 | return ((((color & ((1 | 2 | 4 | 8 | 16)<<0)) >> 0) << (3+0)) |
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44 | (((color & ((1 | 2 | 4 | 8 | 16)<<5)) >> 5) << (3+8)) |
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45 | (((color & ((1 | 2 | 4 | 8 | 16)<<10)) >> 10) << (3+16)));
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46 | }
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47 |
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48 | inline w32 i4_16bpp_to_32bpp(w32 color)
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49 | {
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50 | w32 r=((color>>11) & (1|2|4|8|16)) <<3;
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51 | w32 g=((color>>5) & (1|2|4|8|16|32))<<2;
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52 | w32 b=((color>>0) & (1|2|4|8|16)) <<3;
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53 | return (r<<16)|(g<<8)|b;
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54 | }
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55 |
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56 | inline w32 i4_rgb_to_32bit(w8 r, w8 g, w8 b)
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57 | {
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58 | return (r<<16) | (g<<8) | b;
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59 | }
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60 |
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61 | #if (I4_SCREEN_DEPTH==15)
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62 | inline w16 i4_32bpp_to_screen(w32 color, w32 *pal)
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63 | {
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64 | return i4_32bpp_to_15bpp(color);
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65 | }
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66 | #endif
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67 |
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68 |
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69 |
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70 | #if (I4_SCREEN_DEPTH==16)
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71 | inline w16 i4_32bpp_to_screen(w32 color, w32 *pal)
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72 | {
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73 | return i4_32bpp_to_16bpp(color);
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74 | }
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75 | #endif
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76 |
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77 |
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78 |
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79 | #if (I4_SCREEN_DEPTH==32)
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80 | inline w16 i4_32bpp_to_screen(w32 color, w32 *pal)
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81 | {
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82 | return color;
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83 | }
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84 | #endif
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85 |
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86 |
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87 | #if (I4_SCREEN_DEPTH==8)
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88 | #error need to solve this problem
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89 | inline w16 i4_32bpp_to_screen(w32 color, w32 *pal)
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90 | { return 0; }
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91 |
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92 | #endif
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93 |
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94 |
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95 |
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96 |
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97 | #endif
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