/private/inet/mshtml/src/core/cdutil/color.cxx

https://github.com/pustladi/Windows-2000 · C++ · 910 lines · 709 code · 110 blank · 91 comment · 80 complexity · 6afab77da7d27831caa9b1600fa103fe MD5 · raw file 

    

  1. //+------------------------------------------------------------------------

    2. 

  2. //

    3. 

  3. //  File:       color.cxx

    4. 

  4. //

    5. 

  5. //  Contents:   FormsTranslateColor

    6. 

  6. //

    7. 

  7. //-------------------------------------------------------------------------

    8. 

  8. 

    9. 

  9. #include "headers.hxx"

    10. 

  10. 

    11. 

  11. MtDefine(CColorInfo, Utilities, "CColorInfo")

    12. 

  12. 

    13. 

  13. COLORREF g_acrSysColor[25];

    14. 

  14. BOOL     g_fSysColorInit = FALSE;

    15. 

  15. COLORREF g_crPaletteRelative = 0;

    16. 

  16. HPALETTE g_hpalHalftone = NULL;

    17. 

  17. HDC      g_hdcMem1 = NULL;

    18. 

  18. HDC      g_hdcMem2 = NULL;

    19. 

  19. HDC      g_hdcMem3 = NULL;

    20. 

  20. BOOL     g_fNoDisplayChange = TRUE;

    21. 

  21. 

    22. 

  22. #if DBG==1

    23. 

  23. int g_cGetMemDc = 0;

    24. 

  24. DeclareTag(tagDCTrace, "Color", "Trace DCs")

    25. 

  25. #endif

    26. 

  26. 

    27. 

  27. #ifndef _MAC 		

    28. 

  28. // Inverse color table

    29. 

  29. BYTE * g_pInvCMAP = NULL;

    30. 

  30. #endif

    31. 

  31. 

    32. 

  32. RGBQUAD g_rgbHalftone[256];

    33. 

  33. 

    34. 

  34. #if !defined(WIN16) && !defined(_MAC)

    35. 

  35. LOGPAL256 g_lpHalftone;

    36. 

  36. #else

    37. 

  37. //Win16 only

    38. 

  38. LOGPAL256 g_lpHalftone =

    39. 

  39. {

    40. 

  40.     0x0300, 256,

    41. 

  41.     {

    42. 

  42.         { 0x00, 0x00, 0x00, 0x00 },

    43. 

  43.         { 0x80, 0x00, 0x00, 0x00 },

    44. 

  44.         { 0x00, 0x80, 0x00, 0x00 },

    45. 

  45.         { 0x80, 0x80, 0x00, 0x00 },

    46. 

  46.         { 0x00, 0x00, 0x80, 0x00 },

    47. 

  47.         { 0x80, 0x00, 0x80, 0x00 },

    48. 

  48.         { 0x00, 0x80, 0x80, 0x00 },

    49. 

  49.         { 0xC0, 0xC0, 0xC0, 0x00 },

    50. 

  50.         { 0xC0, 0xDC, 0xC0, PC_NOCOLLAPSE },

    51. 

  51.         { 0xA6, 0xCA, 0xF0, PC_NOCOLLAPSE },

    52. 

  52.         { 0xCC, 0x33, 0x00, PC_NOCOLLAPSE },

    53. 

  53.         { 0xFF, 0x33, 0x00, PC_NOCOLLAPSE },

    54. 

  54.         { 0x00, 0x66, 0x00, PC_NOCOLLAPSE },

    55. 

  55.         { 0x33, 0x66, 0x00, PC_NOCOLLAPSE },

    56. 

  56.         { 0x66, 0x66, 0x00, PC_NOCOLLAPSE },

    57. 

  57.         { 0x99, 0x66, 0x00, PC_NOCOLLAPSE },

    58. 

  58.         { 0xCC, 0x66, 0x00, PC_NOCOLLAPSE },

    59. 

  59.         { 0xFF, 0x66, 0x00, PC_NOCOLLAPSE },

    60. 

  60.         { 0x00, 0x99, 0x00, PC_NOCOLLAPSE },

    61. 

  61.         { 0x33, 0x99, 0x00, PC_NOCOLLAPSE },

    62. 

  62.         { 0x66, 0x99, 0x00, PC_NOCOLLAPSE },

    63. 

  63.         { 0x99, 0x99, 0x00, PC_NOCOLLAPSE },

    64. 

  64.         { 0xCC, 0x99, 0x00, PC_NOCOLLAPSE },

    65. 

  65.         { 0xFF, 0x99, 0x00, PC_NOCOLLAPSE },

    66. 

  66.         { 0x00, 0xCC, 0x00, PC_NOCOLLAPSE },

    67. 

  67.         { 0x33, 0xCC, 0x00, PC_NOCOLLAPSE },

    68. 

  68.         { 0x66, 0xCC, 0x00, PC_NOCOLLAPSE },

    69. 

  69.         { 0x99, 0xCC, 0x00, PC_NOCOLLAPSE },

    70. 

  70.         { 0xCC, 0xCC, 0x00, PC_NOCOLLAPSE },

    71. 

  71.         { 0xFF, 0xCC, 0x00, PC_NOCOLLAPSE },

    72. 

  72.         { 0xEF, 0xD6, 0xC6, PC_NOCOLLAPSE },

    73. 

  73.         { 0xAD, 0xA9, 0x90, PC_NOCOLLAPSE },

    74. 

  74.         { 0x66, 0xFF, 0x00, PC_NOCOLLAPSE },

    75. 

  75.         { 0x99, 0xFF, 0x00, PC_NOCOLLAPSE },

    76. 

  76.         { 0xCC, 0xFF, 0x00, PC_NOCOLLAPSE },

    77. 

  77.         { 0x66, 0x33, 0x00, PC_NOCOLLAPSE },

    78. 

  78.         { 0x00, 0x00, 0x33, PC_NOCOLLAPSE },

    79. 

  79.         { 0x33, 0x00, 0x33, PC_NOCOLLAPSE },

    80. 

  80.         { 0x66, 0x00, 0x33, PC_NOCOLLAPSE },

    81. 

  81.         { 0x99, 0x00, 0x33, PC_NOCOLLAPSE },

    82. 

  82.         { 0xCC, 0x00, 0x33, PC_NOCOLLAPSE },

    83. 

  83.         { 0xFF, 0x00, 0x33, PC_NOCOLLAPSE },

    84. 

  84.         { 0x00, 0x33, 0x33, PC_NOCOLLAPSE },

    85. 

  85.         { 0x33, 0x33, 0x33, PC_NOCOLLAPSE },

    86. 

  86.         { 0x66, 0x33, 0x33, PC_NOCOLLAPSE },

    87. 

  87.         { 0x99, 0x33, 0x33, PC_NOCOLLAPSE },

    88. 

  88.         { 0xCC, 0x33, 0x33, PC_NOCOLLAPSE },

    89. 

  89.         { 0xFF, 0x33, 0x33, PC_NOCOLLAPSE },

    90. 

  90.         { 0x00, 0x66, 0x33, PC_NOCOLLAPSE },

    91. 

  91.         { 0x33, 0x66, 0x33, PC_NOCOLLAPSE },

    92. 

  92.         { 0x66, 0x66, 0x33, PC_NOCOLLAPSE },

    93. 

  93.         { 0x99, 0x66, 0x33, PC_NOCOLLAPSE },

    94. 

  94.         { 0xCC, 0x66, 0x33, PC_NOCOLLAPSE },

    95. 

  95.         { 0xFF, 0x66, 0x33, PC_NOCOLLAPSE },

    96. 

  96.         { 0x00, 0x99, 0x33, PC_NOCOLLAPSE },

    97. 

  97.         { 0x33, 0x99, 0x33, PC_NOCOLLAPSE },

    98. 

  98.         { 0x66, 0x99, 0x33, PC_NOCOLLAPSE },

    99. 

  99.         { 0x99, 0x99, 0x33, PC_NOCOLLAPSE },

    100. 

  100.         { 0xCC, 0x99, 0x33, PC_NOCOLLAPSE },

    101. 

  101.         { 0xFF, 0x99, 0x33, PC_NOCOLLAPSE },

    102. 

  102.         { 0x00, 0xCC, 0x33, PC_NOCOLLAPSE },

    103. 

  103.         { 0x33, 0xCC, 0x33, PC_NOCOLLAPSE },

    104. 

  104.         { 0x66, 0xCC, 0x33, PC_NOCOLLAPSE },

    105. 

  105.         { 0x99, 0xCC, 0x33, PC_NOCOLLAPSE },

    106. 

  106.         { 0xCC, 0xCC, 0x33, PC_NOCOLLAPSE },

    107. 

  107.         { 0xFF, 0xCC, 0x33, PC_NOCOLLAPSE },

    108. 

  108.         { 0x00, 0x33, 0x00, PC_NOCOLLAPSE },

    109. 

  109.         { 0x33, 0xFF, 0x33, PC_NOCOLLAPSE },

    110. 

  110.         { 0x66, 0xFF, 0x33, PC_NOCOLLAPSE },

    111. 

  111.         { 0x99, 0xFF, 0x33, PC_NOCOLLAPSE },

    112. 

  112.         { 0xCC, 0xFF, 0x33, PC_NOCOLLAPSE },

    113. 

  113.         { 0xFF, 0xFF, 0x33, PC_NOCOLLAPSE },

    114. 

  114.         { 0x00, 0x00, 0x66, PC_NOCOLLAPSE },

    115. 

  115.         { 0x33, 0x00, 0x66, PC_NOCOLLAPSE },

    116. 

  116.         { 0x66, 0x00, 0x66, PC_NOCOLLAPSE },

    117. 

  117.         { 0x99, 0x00, 0x66, PC_NOCOLLAPSE },

    118. 

  118.         { 0xCC, 0x00, 0x66, PC_NOCOLLAPSE },

    119. 

  119.         { 0xFF, 0x00, 0x66, PC_NOCOLLAPSE },

    120. 

  120.         { 0x00, 0x33, 0x66, PC_NOCOLLAPSE },

    121. 

  121.         { 0x33, 0x33, 0x66, PC_NOCOLLAPSE },

    122. 

  122.         { 0x66, 0x33, 0x66, PC_NOCOLLAPSE },

    123. 

  123.         { 0x99, 0x33, 0x66, PC_NOCOLLAPSE },

    124. 

  124.         { 0xCC, 0x33, 0x66, PC_NOCOLLAPSE },

    125. 

  125.         { 0xFF, 0x33, 0x66, PC_NOCOLLAPSE },

    126. 

  126.         { 0x00, 0x66, 0x66, PC_NOCOLLAPSE },

    127. 

  127.         { 0x33, 0x66, 0x66, PC_NOCOLLAPSE },

    128. 

  128.         { 0x66, 0x66, 0x66, PC_NOCOLLAPSE },

    129. 

  129.         { 0x99, 0x66, 0x66, PC_NOCOLLAPSE },

    130. 

  130.         { 0xCC, 0x66, 0x66, PC_NOCOLLAPSE },

    131. 

  131.         { 0xFF, 0x66, 0x66, PC_NOCOLLAPSE },

    132. 

  132.         { 0x00, 0x99, 0x66, PC_NOCOLLAPSE },

    133. 

  133.         { 0x33, 0x99, 0x66, PC_NOCOLLAPSE },

    134. 

  134.         { 0x66, 0x99, 0x66, PC_NOCOLLAPSE },

    135. 

  135.         { 0x99, 0x99, 0x66, PC_NOCOLLAPSE },

    136. 

  136.         { 0xCC, 0x99, 0x66, PC_NOCOLLAPSE },

    137. 

  137.         { 0xFF, 0x99, 0x66, PC_NOCOLLAPSE },

    138. 

  138.         { 0x00, 0xCC, 0x66, PC_NOCOLLAPSE },

    139. 

  139.         { 0x33, 0xCC, 0x66, PC_NOCOLLAPSE },

    140. 

  140.         { 0x66, 0xCC, 0x66, PC_NOCOLLAPSE },

    141. 

  141.         { 0x99, 0xCC, 0x66, PC_NOCOLLAPSE },

    142. 

  142.         { 0xCC, 0xCC, 0x66, PC_NOCOLLAPSE },

    143. 

  143.         { 0xFF, 0xCC, 0x66, PC_NOCOLLAPSE },

    144. 

  144.         { 0x00, 0xFF, 0x66, PC_NOCOLLAPSE },

    145. 

  145.         { 0x33, 0xFF, 0x66, PC_NOCOLLAPSE },

    146. 

  146.         { 0x66, 0xFF, 0x66, PC_NOCOLLAPSE },

    147. 

  147.         { 0x99, 0xFF, 0x66, PC_NOCOLLAPSE },

    148. 

  148.         { 0xCC, 0xFF, 0x66, PC_NOCOLLAPSE },

    149. 

  149.         { 0xFF, 0xFF, 0x66, PC_NOCOLLAPSE },

    150. 

  150.         { 0x00, 0x00, 0x99, PC_NOCOLLAPSE },

    151. 

  151.         { 0x33, 0x00, 0x99, PC_NOCOLLAPSE },

    152. 

  152.         { 0x66, 0x00, 0x99, PC_NOCOLLAPSE },

    153. 

  153.         { 0x99, 0x00, 0x99, PC_NOCOLLAPSE },

    154. 

  154.         { 0xCC, 0x00, 0x99, PC_NOCOLLAPSE },

    155. 

  155.         { 0xFF, 0x00, 0x99, PC_NOCOLLAPSE },

    156. 

  156.         { 0x00, 0x33, 0x99, PC_NOCOLLAPSE },

    157. 

  157.         { 0x33, 0x33, 0x99, PC_NOCOLLAPSE },

    158. 

  158.         { 0x66, 0x33, 0x99, PC_NOCOLLAPSE },

    159. 

  159.         { 0x99, 0x33, 0x99, PC_NOCOLLAPSE },

    160. 

  160.         { 0xCC, 0x33, 0x99, PC_NOCOLLAPSE },

    161. 

  161.         { 0xFF, 0x33, 0x99, PC_NOCOLLAPSE },

    162. 

  162.         { 0x00, 0x66, 0x99, PC_NOCOLLAPSE },

    163. 

  163.         { 0x33, 0x66, 0x99, PC_NOCOLLAPSE },

    164. 

  164.         { 0x66, 0x66, 0x99, PC_NOCOLLAPSE },

    165. 

  165.         { 0x99, 0x66, 0x99, PC_NOCOLLAPSE },

    166. 

  166.         { 0xCC, 0x66, 0x99, PC_NOCOLLAPSE },

    167. 

  167.         { 0xFF, 0x66, 0x99, PC_NOCOLLAPSE },

    168. 

  168.         { 0x00, 0x99, 0x99, PC_NOCOLLAPSE },

    169. 

  169.         { 0x33, 0x99, 0x99, PC_NOCOLLAPSE },

    170. 

  170.         { 0x66, 0x99, 0x99, PC_NOCOLLAPSE },

    171. 

  171.         { 0x99, 0x99, 0x99, PC_NOCOLLAPSE },

    172. 

  172.         { 0xCC, 0x99, 0x99, PC_NOCOLLAPSE },

    173. 

  173.         { 0xFF, 0x99, 0x99, PC_NOCOLLAPSE },

    174. 

  174.         { 0x00, 0xCC, 0x99, PC_NOCOLLAPSE },

    175. 

  175.         { 0x33, 0xCC, 0x99, PC_NOCOLLAPSE },

    176. 

  176.         { 0x66, 0xCC, 0x99, PC_NOCOLLAPSE },

    177. 

  177.         { 0x99, 0xCC, 0x99, PC_NOCOLLAPSE },

    178. 

  178.         { 0xCC, 0xCC, 0x99, PC_NOCOLLAPSE },

    179. 

  179.         { 0xFF, 0xCC, 0x99, PC_NOCOLLAPSE },

    180. 

  180.         { 0x00, 0xFF, 0x99, PC_NOCOLLAPSE },

    181. 

  181.         { 0x33, 0xFF, 0x99, PC_NOCOLLAPSE },

    182. 

  182.         { 0x66, 0xFF, 0x99, PC_NOCOLLAPSE },

    183. 

  183.         { 0x99, 0xFF, 0x99, PC_NOCOLLAPSE },

    184. 

  184.         { 0xCC, 0xFF, 0x99, PC_NOCOLLAPSE },

    185. 

  185.         { 0xFF, 0xFF, 0x99, PC_NOCOLLAPSE },

    186. 

  186.         { 0x00, 0x00, 0xCC, PC_NOCOLLAPSE },

    187. 

  187.         { 0x33, 0x00, 0xCC, PC_NOCOLLAPSE },

    188. 

  188.         { 0x66, 0x00, 0xCC, PC_NOCOLLAPSE },

    189. 

  189.         { 0x99, 0x00, 0xCC, PC_NOCOLLAPSE },

    190. 

  190.         { 0xCC, 0x00, 0xCC, PC_NOCOLLAPSE },

    191. 

  191.         { 0xFF, 0x00, 0xCC, PC_NOCOLLAPSE },

    192. 

  192.         { 0x00, 0x33, 0xCC, PC_NOCOLLAPSE },

    193. 

  193.         { 0x33, 0x33, 0xCC, PC_NOCOLLAPSE },

    194. 

  194.         { 0x66, 0x33, 0xCC, PC_NOCOLLAPSE },

    195. 

  195.         { 0x99, 0x33, 0xCC, PC_NOCOLLAPSE },

    196. 

  196.         { 0xCC, 0x33, 0xCC, PC_NOCOLLAPSE },

    197. 

  197.         { 0xFF, 0x33, 0xCC, PC_NOCOLLAPSE },

    198. 

  198.         { 0x00, 0x66, 0xCC, PC_NOCOLLAPSE },

    199. 

  199.         { 0x33, 0x66, 0xCC, PC_NOCOLLAPSE },

    200. 

  200.         { 0x66, 0x66, 0xCC, PC_NOCOLLAPSE },

    201. 

  201.         { 0x99, 0x66, 0xCC, PC_NOCOLLAPSE },

    202. 

  202.         { 0xCC, 0x66, 0xCC, PC_NOCOLLAPSE },

    203. 

  203.         { 0xFF, 0x66, 0xCC, PC_NOCOLLAPSE },

    204. 

  204.         { 0x00, 0x99, 0xCC, PC_NOCOLLAPSE },

    205. 

  205.         { 0x33, 0x99, 0xCC, PC_NOCOLLAPSE },

    206. 

  206.         { 0x66, 0x99, 0xCC, PC_NOCOLLAPSE },

    207. 

  207.         { 0x99, 0x99, 0xCC, PC_NOCOLLAPSE },

    208. 

  208.         { 0xCC, 0x99, 0xCC, PC_NOCOLLAPSE },

    209. 

  209.         { 0xFF, 0x99, 0xCC, PC_NOCOLLAPSE },

    210. 

  210.         { 0x00, 0xCC, 0xCC, PC_NOCOLLAPSE },

    211. 

  211.         { 0x33, 0xCC, 0xCC, PC_NOCOLLAPSE },

    212. 

  212.         { 0x66, 0xCC, 0xCC, PC_NOCOLLAPSE },

    213. 

  213.         { 0x99, 0xCC, 0xCC, PC_NOCOLLAPSE },

    214. 

  214.         { 0xCC, 0xCC, 0xCC, PC_NOCOLLAPSE },

    215. 

  215.         { 0xFF, 0xCC, 0xCC, PC_NOCOLLAPSE },

    216. 

  216.         { 0x00, 0xFF, 0xCC, PC_NOCOLLAPSE },

    217. 

  217.         { 0x33, 0xFF, 0xCC, PC_NOCOLLAPSE },

    218. 

  218.         { 0x66, 0xFF, 0xCC, PC_NOCOLLAPSE },

    219. 

  219.         { 0x99, 0xFF, 0xCC, PC_NOCOLLAPSE },

    220. 

  220.         { 0xCC, 0xFF, 0xCC, PC_NOCOLLAPSE },

    221. 

  221.         { 0xFF, 0xFF, 0xCC, PC_NOCOLLAPSE },

    222. 

  222.         { 0xA5, 0x00, 0x21, PC_NOCOLLAPSE },

    223. 

  223.         { 0xD6, 0x00, 0x93, PC_NOCOLLAPSE },

    224. 

  224.         { 0x66, 0x00, 0xFF, PC_NOCOLLAPSE },

    225. 

  225.         { 0x99, 0x00, 0xFF, PC_NOCOLLAPSE },

    226. 

  226.         { 0xCC, 0x00, 0xFF, PC_NOCOLLAPSE },

    227. 

  227.         { 0xFF, 0x50, 0x50, PC_NOCOLLAPSE },

    228. 

  228.         { 0x33, 0x33, 0x00, PC_NOCOLLAPSE },

    229. 

  229.         { 0x33, 0x33, 0xFF, PC_NOCOLLAPSE },

    230. 

  230.         { 0x66, 0x33, 0xFF, PC_NOCOLLAPSE },

    231. 

  231.         { 0x99, 0x33, 0xFF, PC_NOCOLLAPSE },

    232. 

  232.         { 0xCC, 0x33, 0xFF, PC_NOCOLLAPSE },

    233. 

  233.         { 0xFF, 0x33, 0xFF, PC_NOCOLLAPSE },

    234. 

  234.         { 0x00, 0x66, 0xFF, PC_NOCOLLAPSE },

    235. 

  235.         { 0x33, 0x66, 0xFF, PC_NOCOLLAPSE },

    236. 

  236.         { 0x66, 0x66, 0xFF, PC_NOCOLLAPSE },

    237. 

  237.         { 0x99, 0x66, 0xFF, PC_NOCOLLAPSE },

    238. 

  238.         { 0xCC, 0x66, 0xFF, PC_NOCOLLAPSE },

    239. 

  239.         { 0xFF, 0x66, 0xFF, PC_NOCOLLAPSE },

    240. 

  240.         { 0x00, 0x99, 0xFF, PC_NOCOLLAPSE },

    241. 

  241.         { 0x33, 0x99, 0xFF, PC_NOCOLLAPSE },

    242. 

  242.         { 0x66, 0x99, 0xFF, PC_NOCOLLAPSE },

    243. 

  243.         { 0x99, 0x99, 0xFF, PC_NOCOLLAPSE },

    244. 

  244.         { 0xCC, 0x99, 0xFF, PC_NOCOLLAPSE },

    245. 

  245.         { 0xFF, 0x99, 0xFF, PC_NOCOLLAPSE },

    246. 

  246.         { 0x00, 0xCC, 0xFF, PC_NOCOLLAPSE },

    247. 

  247.         { 0x33, 0xCC, 0xFF, PC_NOCOLLAPSE },

    248. 

  248.         { 0x66, 0xCC, 0xFF, PC_NOCOLLAPSE },

    249. 

  249.         { 0x99, 0xCC, 0xFF, PC_NOCOLLAPSE },

    250. 

  250.         { 0xCC, 0xCC, 0xFF, PC_NOCOLLAPSE },

    251. 

  251.         { 0xFF, 0xCC, 0xFF, PC_NOCOLLAPSE },

    252. 

  252.         { 0x99, 0x33, 0x00, PC_NOCOLLAPSE },

    253. 

  253.         { 0x33, 0xFF, 0xFF, PC_NOCOLLAPSE },

    254. 

  254.         { 0x66, 0xFF, 0xFF, PC_NOCOLLAPSE },

    255. 

  255.         { 0x99, 0xFF, 0xFF, PC_NOCOLLAPSE },

    256. 

  256.         { 0xCC, 0xFF, 0xFF, PC_NOCOLLAPSE },

    257. 

  257.         { 0xFF, 0x7C, 0x80, PC_NOCOLLAPSE },

    258. 

  258.         { 0x04, 0x04, 0x04, PC_NOCOLLAPSE },

    259. 

  259.         { 0x08, 0x08, 0x08, PC_NOCOLLAPSE },

    260. 

  260.         { 0x0C, 0x0C, 0x0C, PC_NOCOLLAPSE },

    261. 

  261.         { 0x11, 0x11, 0x11, PC_NOCOLLAPSE },

    262. 

  262.         { 0x16, 0x16, 0x16, PC_NOCOLLAPSE },

    263. 

  263.         { 0x1C, 0x1C, 0x1C, PC_NOCOLLAPSE },

    264. 

  264.         { 0x22, 0x22, 0x22, PC_NOCOLLAPSE },

    265. 

  265.         { 0x29, 0x29, 0x29, PC_NOCOLLAPSE },

    266. 

  266.         { 0x39, 0x39, 0x39, PC_NOCOLLAPSE },

    267. 

  267.         { 0x42, 0x42, 0x42, PC_NOCOLLAPSE },

    268. 

  268.         { 0x4D, 0x4D, 0x4D, PC_NOCOLLAPSE },

    269. 

  269.         { 0x55, 0x55, 0x55, PC_NOCOLLAPSE },

    270. 

  270.         { 0x5F, 0x5F, 0x5F, PC_NOCOLLAPSE },

    271. 

  271.         { 0x77, 0x77, 0x77, PC_NOCOLLAPSE },

    272. 

  272.         { 0x86, 0x86, 0x86, PC_NOCOLLAPSE },

    273. 

  273.         { 0x96, 0x96, 0x96, PC_NOCOLLAPSE },

    274. 

  274.         { 0xB2, 0xB2, 0xB2, PC_NOCOLLAPSE },

    275. 

  275.         { 0xCB, 0xCB, 0xCB, PC_NOCOLLAPSE },

    276. 

  276.         { 0xD7, 0xD7, 0xD7, PC_NOCOLLAPSE },

    277. 

  277.         { 0xDD, 0xDD, 0xDD, PC_NOCOLLAPSE },

    278. 

  278.         { 0xE3, 0xE3, 0xE3, PC_NOCOLLAPSE },

    279. 

  279.         { 0xEA, 0xEA, 0xEA, PC_NOCOLLAPSE },

    280. 

  280.         { 0xF1, 0xF1, 0xF1, PC_NOCOLLAPSE },

    281. 

  281.         { 0xF8, 0xF8, 0xF8, PC_NOCOLLAPSE },

    282. 

  282.         { 0xE7, 0xE7, 0xD6, PC_NOCOLLAPSE },

    283. 

  283.         { 0xCC, 0xEC, 0xFF, PC_NOCOLLAPSE },

    284. 

  284.         { 0x33, 0x00, 0x00, PC_NOCOLLAPSE },

    285. 

  285.         { 0x66, 0x00, 0x00, PC_NOCOLLAPSE },

    286. 

  286.         { 0x99, 0x00, 0x00, PC_NOCOLLAPSE },

    287. 

  287.         { 0xCC, 0x00, 0x00, PC_NOCOLLAPSE },

    288. 

  288.         { 0xFF, 0xFB, 0xF0, PC_NOCOLLAPSE },

    289. 

  289.         { 0xA0, 0xA0, 0xA4, PC_NOCOLLAPSE },

    290. 

  290.         { 0x80, 0x80, 0x80, 0x00 },

    291. 

  291.         { 0xFF, 0x00, 0x00, 0x00 },

    292. 

  292.         { 0x00, 0xFF, 0x00, 0x00 },

    293. 

  293.         { 0xFF, 0xFF, 0x00, 0x00 },

    294. 

  294.         { 0x00, 0x00, 0xFF, 0x00 },

    295. 

  295.         { 0xFF, 0x00, 0xFF, 0x00 },

    296. 

  296.         { 0x00, 0xFF, 0xFF, 0x00 },

    297. 

  297.         { 0xFF, 0xFF, 0xFF, 0x00 },

    298. 

  298.     }

    299. 

  299. };

    300. 

  300. #endif

    301. 

  301. 

    302. 

  302. void CopyColorsFromPaletteEntries(RGBQUAD *prgb, const PALETTEENTRY *ppe,

    303. 

  303.     UINT uCount)

    304. 

  304. {

    305. 

  305.     while (uCount--)

    306. 

  306.     {

    307. 

  307.         prgb->rgbRed   = ppe->peRed;

    308. 

  308.         prgb->rgbGreen = ppe->peGreen;

    309. 

  309.         prgb->rgbBlue  = ppe->peBlue;

    310. 

  310.         prgb->rgbReserved = 0;

    311. 

  311. 

    312. 

  312.         prgb++;

    313. 

  313.         ppe++;

    314. 

  314.     }

    315. 

  315. }

    316. 

  316. 

    317. 

  317. void CopyPaletteEntriesFromColors(PALETTEENTRY *ppe, const RGBQUAD *prgb,

    318. 

  318.     UINT uCount)

    319. 

  319. {

    320. 

  320.     while (uCount--)

    321. 

  321.     {

    322. 

  322.         ppe->peRed   = prgb->rgbRed;

    323. 

  323.         ppe->peGreen = prgb->rgbGreen;

    324. 

  324.         ppe->peBlue  = prgb->rgbBlue;

    325. 

  325.         ppe->peFlags = 0;

    326. 

  326. 

    327. 

  327.         prgb++;

    328. 

  328.         ppe++;

    329. 

  329.     }

    330. 

  330. }

    331. 

  331. 

    332. 

  332. HRESULT

    333. 

  333. InitPalette()

    334. 

  334. {

    335. 

  335.     HDC hdc = GetDC(NULL);

    336. 

  336.     HRESULT hr = S_OK;

    337. 

  337. 

    338. 

  338. #if !defined(WIN16) && !defined(_MAC) 		

    339. 

  339.     g_hpalHalftone = SHCreateShellPalette(NULL);

    340. 

  340.     if (g_hpalHalftone)

    341. 

  341.     {

    342. 

  342.         g_lpHalftone.wCnt = (WORD)GetPaletteEntries(g_hpalHalftone, 0, 256, g_lpHalftone.ape);

    343. 

  343.         g_lpHalftone.wVer = 0x0300;

    344. 

  344.         CopyColorsFromPaletteEntries(g_rgbHalftone, g_lpHalftone.ape, g_lpHalftone.wCnt);

    345. 

  345.     }

    346. 

  346.     else

    347. 

  347.         return GetLastWin32Error();

    348. 

  348. #else

    349. 

  349. // Win16 only

    350. 

  350.     g_hpalHalftone = CreatePalette((LOGPALETTE *)&g_lpHalftone);

    351. 

  351.         // BUGBUG This will leak hdc

    352. 

  352.     if (g_hpalHalftone == NULL)

    353. 

  353.         return GetLastWin32Error();

    354. 

  354.     CopyColorsFromPaletteEntries(g_rgbHalftone, g_lpHalftone.ape, g_lpHalftone.wCnt);

    355. 

  355. #endif

    356. 

  356. 

    357. 

  357. #if !defined(WIN16) && !defined(_MAC)

    358. 

  358.         // Get the dithering table

    359. 

  359.         SHGetInverseCMAP((BYTE *)&g_pInvCMAP, sizeof(BYTE *));

    360. 

  360.         if (g_pInvCMAP == NULL)

    361. 

  361.             return E_OUTOFMEMORY;

    362. 

  362. #endif

    363. 

  363. 

    364. 

  364.     if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)

    365. 

  365.     {

    366. 

  366. #if DBG==1

    367. 

  367.         PALETTEENTRY ape[20], * pe = g_lpHalftone.ape;

    368. 

  368. 

    369. 

  369.         GetSystemPaletteEntries(hdc, 0, 10, ape);

    370. 

  370.         GetSystemPaletteEntries(hdc, 246, 10, ape + 10);

    371. 

  371. 

    372. 

  372.         if (    memcmp(ape, pe, 10 * sizeof(PALETTEENTRY)) != 0

    373. 

  373.             ||  memcmp(ape + 10, pe + 246, 10 * sizeof(PALETTEENTRY)) != 0)

    374. 

  374.         {

    375. 

  375.             TraceTag((tagPerf, "InitPalette: Unexpected system colors detected"));

    376. 

  376.         }

    377. 

  377. #endif

    378. 

  378. 

    379. 

  379. #ifndef NO_PERFDBG

    380. 

  380.         // Make sure we are using an identity palette

    381. 

  381. // Disable for IDW build

    382. 

  382. //        Assert(IsIdentityPalette(g_hpalHalftone));

    383. 

  383. #endif

    384. 

  384. 

    385. 

  385.         // Generate the inverse mapping table

    386. 

  386. 

    387. 

  387.         g_crPaletteRelative = 0x02000000;

    388. 

  388.     }

    389. 

  389.     else

    390. 

  390.         g_crPaletteRelative = 0;

    391. 

  391. 

    392. 

  392.     ReleaseDC(NULL, hdc);

    393. 

  393. 

    394. 

  394.     RRETURN(hr);

    395. 

  395. }

    396. 

  396. 

    397. 

  397. void

    398. 

  398. DeinitPalette()

    399. 

  399. {

    400. 

  400.     if (g_hdcMem1)

    401. 

  401.     {

    402. 

  402.         TraceTag((tagDCTrace, "GetMemoryDC, about to delete dc, count=%d", --++g_cGetMemDc));

    403. 

  403.         DeleteDC(g_hdcMem1);

    404. 

  404.     }

    405. 

  405.     if (g_hdcMem2)

    406. 

  406.     {

    407. 

  407.         TraceTag((tagDCTrace, "GetMemoryDC, about to delete dc, count=%d", --++g_cGetMemDc));

    408. 

  408.         DeleteDC(g_hdcMem2);

    409. 

  409.     }

    410. 

  410.     if (g_hdcMem3)

    411. 

  411.     {

    412. 

  412.         TraceTag((tagDCTrace, "GetMemoryDC, about to delete dc, count=%d", --++g_cGetMemDc));

    413. 

  413.         DeleteDC(g_hdcMem3);

    414. 

  414.     }

    415. 

  415. 

    416. 

  416.     if (g_hpalHalftone)

    417. 

  417.     {

    418. 

  418.         DeleteObject(g_hpalHalftone);

    419. 

  419.         g_hpalHalftone = NULL;

    420. 

  420.     }

    421. 

  421. }

    422. 

  422. 

    423. 

  423. //+---------------------------------------------------------------------------

    424. 

  424. //

    425. 

  425. //  Function:   GetDefaultPalette

    426. 

  426. //

    427. 

  427. //  Synopsis:   Returns a generic (halftone) palette, optionally selecting it

    428. 

  428. //              into the DC.

    429. 

  429. //

    430. 

  430. //              Where possible, use CDoc::GetPalette instead.

    431. 

  431. //

    432. 

  432. //----------------------------------------------------------------------------

    433. 

  433. 

    434. 

  434. HPALETTE

    435. 

  435. GetDefaultPalette(HDC hdc)

    436. 

  436. {

    437. 

  437.     HPALETTE hpal = NULL;

    438. 

  438. 

    439. 

  439.     if (g_crPaletteRelative)

    440. 

  440.     {

    441. 

  441.         hpal = g_hpalHalftone;

    442. 

  442.         if (hdc)

    443. 

  443.         {

    444. 

  444.             SelectPalette(hdc, hpal, TRUE);

    445. 

  445.             RealizePalette(hdc);

    446. 

  446.         }

    447. 

  447.     }

    448. 

  448.     return hpal;

    449. 

  449. }

    450. 

  450. 

    451. 

  451. //+---------------------------------------------------------------------------

    452. 

  452. //

    453. 

  453. //  Function:   IsHalftonePalette

    454. 

  454. //

    455. 

  455. //  Synopsis:   Returns TRUE if the passed palette exactly matches the

    456. 

  456. //              halftone palette.

    457. 

  457. //

    458. 

  458. //----------------------------------------------------------------------------

    459. 

  459. 

    460. 

  460. BOOL

    461. 

  461. IsHalftonePalette(HPALETTE hpal)

    462. 

  462. {

    463. 

  463.     int cColors;

    464. 

  464.     PALETTEENTRY ape[256];

    465. 

  465. 

    466. 

  466.     if (!hpal)

    467. 

  467.         return FALSE;

    468. 

  468. 

    469. 

  469.     if (hpal == g_hpalHalftone)

    470. 

  470.         return TRUE;

    471. 

  471. 

    472. 

  472.     cColors = GetPaletteEntries(hpal, 0, 0, NULL);

    473. 

  473. 

    474. 

  474.     // Right number of colors?

    475. 

  475.     if (cColors != ARRAY_SIZE(ape))

    476. 

  476.         return FALSE;

    477. 

  477.     

    478. 

  478.     GetPaletteEntries(hpal, 0, cColors, ape);

    479. 

  479. 

    480. 

  480.     return (!memcmp(ape, g_lpHalftone.ape, sizeof(PALETTEENTRY) * ARRAY_SIZE(ape)));

    481. 

  481. }

    482. 

  482. 

    483. 

  483. //+---------------------------------------------------------------------------

    484. 

  484. //

    485. 

  485. //  Function:   InitColorTranslation

    486. 

  486. //

    487. 

  487. //  Synopsis:   Initialize system color translation table.

    488. 

  488. //

    489. 

  489. //----------------------------------------------------------------------------

    490. 

  490. 

    491. 

  491. void

    492. 

  492. InitColorTranslation()

    493. 

  493. {

    494. 

  494.     for (int i = 0; i < ARRAY_SIZE(g_acrSysColor); i++)

    495. 

  495.     {

    496. 

  496.                 // WinCE redefines all the GetSysColor defines

    497. 

  497. #if defined(WINCE) && !defined(WINCE_NT)

    498. 

  498.         g_acrSysColor[i] = GetSysColor(i | COLOR_INDEX_MASK);

    499. 

  499. #else

    500. 

  500.         g_acrSysColor[i] = GetSysColor(i);

    501. 

  501. #endif

    502. 

  502.     }

    503. 

  503. 

    504. 

  504.     g_fSysColorInit = TRUE;

    505. 

  505. }

    506. 

  506. 

    507. 

  507. //+---------------------------------------------------------------------------

    508. 

  508. //

    509. 

  509. //  Function:   GetSysColorQuick

    510. 

  510. //

    511. 

  511. //  Synopsis:   Looks up system colors from a cache.

    512. 

  512. //

    513. 

  513. //----------------------------------------------------------------------------

    514. 

  514. 

    515. 

  515. COLORREF GetSysColorQuick(int i)

    516. 

  516. {

    517. 

  517.     if (!g_fSysColorInit)

    518. 

  518.         InitColorTranslation();

    519. 

  519. 

    520. 

  520.     return g_acrSysColor[i];

    521. 

  521. }

    522. 

  522. 

    523. 

  523. //+---------------------------------------------------------------------------

    524. 

  524. //

    525. 

  525. //  Function:   FormsTranslateColor

    526. 

  526. //

    527. 

  527. //  Synopsis:   Map OLE_COLORs to COLORREFs.

    528. 

  528. //              This API is identical to OleTranslateColor.

    529. 

  529. //

    530. 

  530. //----------------------------------------------------------------------------

    531. 

  531. 

    532. 

  532. STDAPI

    533. 

  533. FormsTranslateColor(OLE_COLOR clr, HPALETTE hpal, COLORREF * pcr)

    534. 

  534. {

    535. 

  535.     int syscolor;

    536. 

  536. 

    537. 

  537.     switch (clr & 0xff000000)

    538. 

  538.     {

    539. 

  539.     case 0x80000000:

    540. 

  540. 

    541. 

  541.         syscolor = clr & 0x00ffffff;

    542. 

  542. 

    543. 

  543.         if (syscolor >= ARRAY_SIZE(g_acrSysColor))

    544. 

  544.             RRETURN(E_INVALIDARG);

    545. 

  545. 

    546. 

  546.         clr = GetSysColorQuick(syscolor);

    547. 

  547. 

    548. 

  548.         break;

    549. 

  549. 

    550. 

  550.     case 0x01000000 :

    551. 

  551.         // check validity of index

    552. 

  552.         if (hpal)

    553. 

  553.         {

    554. 

  554.             PALETTEENTRY pe;

    555. 

  555.             // try to get palette entry, if it fails we assume index is invalid

    556. 

  556.             if (!GetPaletteEntries(hpal, (UINT)(clr & 0xffff), 1, &pe))

    557. 

  557.                 RRETURN(E_INVALIDARG);        // BUGBUG? : CDK uses CTL_E_OVERFLOW

    558. 

  558.         }

    559. 

  559.         break;

    560. 

  560. 

    561. 

  561. #ifdef UNIX

    562. 

  562.     case 0x04000000 :   // Motif System Color

    563. 

  563. #endif

    564. 

  564.     case 0x02000000 :

    565. 

  565.         break;

    566. 

  566. 

    567. 

  567.     case 0:

    568. 

  568.         if (hpal != NULL)

    569. 

  569.         {

    570. 

  570.             clr |= 0x02000000;

    571. 

  571.         }

    572. 

  572.         break;

    573. 

  573. 

    574. 

  574.     default :

    575. 

  575.         RRETURN(E_INVALIDARG);

    576. 

  576.     }

    577. 

  577. 

    578. 

  578.     if (pcr)

    579. 

  579.         *pcr = clr;

    580. 

  580. 

    581. 

  581.     return S_OK;

    582. 

  582. }

    583. 

  583. 

    584. 

  584. //+---------------------------------------------------------------------------

    585. 

  585. //

    586. 

  586. //  Function:   IsOleColorValid

    587. 

  587. //

    588. 

  588. //  Synopsis:   Return true if the given OLE_COLOR is valid.

    589. 

  589. //

    590. 

  590. //----------------------------------------------------------------------------

    591. 

  591. 

    592. 

  592. BOOL

    593. 

  593. IsOleColorValid(OLE_COLOR clr)

    594. 

  594. {

    595. 

  595.     //

    596. 

  596.     // BUGBUG -- Why aren't we calling OleTranslateColor?

    597. 

  597.     //

    598. 

  598.     return OK(FormsTranslateColor(clr, NULL, NULL));

    599. 

  599. }

    600. 

  600. 

    601. 

  601. 

    602. 

  602. //+---------------------------------------------------------------------------

    603. 

  603. //

    604. 

  604. //  Function:   ColorRefFromOleColor

    605. 

  605. //

    606. 

  606. //  Synopsis:   Map OLE_COLORs to COLORREFs.  This function does not contain

    607. 

  607. //              any error checking.   Callers should validate the color with

    608. 

  608. //              IsOleColorValid() before calling this function.

    609. 

  609. //

    610. 

  610. //----------------------------------------------------------------------------

    611. 

  611. 

    612. 

  612. COLORREF

    613. 

  613. ColorRefFromOleColor(OLE_COLOR clr)

    614. 

  614. {

    615. 

  615. // Under WinCE all the colors come in as invalid--starting with 0xC... instead of 0x8

    616. 

  616. #if defined(WINCE) && !defined(WINCE_NT)

    617. 

  617.         clr &= 0x80ffffff;

    618. 

  618. #endif // WINCE

    619. 

  619.     Assert(IsOleColorValid(clr));

    620. 

  620.     Assert((clr & 0x02000000) == 0);

    621. 

  621. 

    622. 

  622.     if ((long)clr < 0)

    623. 

  623.     {

    624. 

  624.         return GetSysColorQuick(clr & 0xff);

    625. 

  625.     }

    626. 

  626.     else

    627. 

  627.     {

    628. 

  628. #ifdef UNIX

    629. 

  629.         if ( CColorValue(clr).IsMotifColor() ) // Motif System Color

    630. 

  630.             return clr;

    631. 

  631. #endif

    632. 

  632. 

    633. 

  633.         return clr | g_crPaletteRelative;

    634. 

  634.     }

    635. 

  635. }

    636. 

  636. 

    637. 

  637. HDC GetMemoryDC()

    638. 

  638. {

    639. 

  639.     HDC hdcMem;

    640. 

  640. 

    641. 

  641.     if (g_fNoDisplayChange)

    642. 

  642.     {

    643. 

  643.         hdcMem = (HDC)InterlockedExchangePointer((void **)&g_hdcMem1, NULL);

    644. 

  644.         if (hdcMem)

    645. 

  645.         {

    646. 

  646.             TraceTag((tagDCTrace, "GetMemoryDC, about to return dc #1, count still %d", g_cGetMemDc));

    647. 

  647.             return(hdcMem);

    648. 

  648.         }

    649. 

  649. 

    650. 

  650.         hdcMem = (HDC)InterlockedExchangePointer((void **)&g_hdcMem2, NULL);

    651. 

  651.         if (hdcMem)

    652. 

  652.         {

    653. 

  653.             TraceTag((tagDCTrace, "GetMemoryDC, about to return dc #2, count still %d", g_cGetMemDc));

    654. 

  654.             return(hdcMem);

    655. 

  655.         }

    656. 

  656. 

    657. 

  657.         hdcMem = (HDC)InterlockedExchangePointer((void **)&g_hdcMem3, NULL);

    658. 

  658.         if (hdcMem)

    659. 

  659.         {

    660. 

  660.             TraceTag((tagDCTrace, "GetMemoryDC, about to return dc #3, count still %d", g_cGetMemDc));

    661. 

  661.             return(hdcMem);

    662. 

  662.         }

    663. 

  663. 

    664. 

  664.         TraceTag((tagDCTrace, "GetMemoryDC, about to return new dc, count=%d", ++g_cGetMemDc));

    665. 

  665.     }

    666. 

  666. 

    667. 

  667.     hdcMem = CreateCompatibleDC(NULL);

    668. 

  668. 

    669. 

  669.     if (hdcMem)

    670. 

  670.     {

    671. 

  671.         SetStretchBltMode(hdcMem, COLORONCOLOR);

    672. 

  672.         GetDefaultPalette(hdcMem);

    673. 

  673.     }

    674. 

  674. 

    675. 

  675.     return(hdcMem);

    676. 

  676. }

    677. 

  677. 

    678. 

  678. void ReleaseMemoryDC(HDC hdcIn)

    679. 

  679. {

    680. 

  680.     HDC hdc = hdcIn;

    681. 

  681. 

    682. 

  682.     if (g_fNoDisplayChange)

    683. 

  683.     {

    684. 

  684.         hdc = (HDC)InterlockedExchangePointer((void **)&g_hdcMem1, hdc);

    685. 

  685.         if (hdc == NULL)

    686. 

  686.         {

    687. 

  687.             TraceTag((tagDCTrace, "GetMemoryDC, stored a dc in #1, count still %d", g_cGetMemDc));

    688. 

  688.             return;

    689. 

  689.         }

    690. 

  690. 

    691. 

  691.         hdc = (HDC)InterlockedExchangePointer((void **)&g_hdcMem2, hdc);

    692. 

  692.         if (hdc == NULL)

    693. 

  693.         {

    694. 

  694.             TraceTag((tagDCTrace, "GetMemoryDC, stored a dc in #2, count still %d", g_cGetMemDc));

    695. 

  695.             return;

    696. 

  696.         }

    697. 

  697. 

    698. 

  698.         hdc = (HDC)InterlockedExchangePointer((void **)&g_hdcMem3, hdc);

    699. 

  699.         if (hdc == NULL)

    700. 

  700.         {

    701. 

  701.             TraceTag((tagDCTrace, "GetMemoryDC, stored a dc in #3, count still %d", g_cGetMemDc));

    702. 

  702.             return;

    703. 

  703.         }

    704. 

  704. 

    705. 

  705.         TraceTag((tagDCTrace, "GetMemoryDC, about to delete dc, count=%d", --++g_cGetMemDc));

    706. 

  706.     }

    707. 

  707. 

    708. 

  708.     DeleteDC(hdc);

    709. 

  709. }

    710. 

  710. 

    711. 

  711. CColorInfo::CColorInfo() : _dwDrawAspect(DVASPECT_CONTENT) , _lindex(-1), _pvAspect(NULL), _ptd(NULL), _hicTargetDev(NULL), _cColors(0) , _cColorsMax(256)

    712. 

  712. {

    713. 

  713. }

    714. 

  714. 

    715. 

  715. CColorInfo::CColorInfo(DWORD dwDrawAspect, LONG lindex, void FAR *pvAspect, DVTARGETDEVICE FAR *ptd, HDC hicTargetDev, unsigned cColorsMax) :

    716. 

  716.     _dwDrawAspect(dwDrawAspect), _lindex(lindex) , _pvAspect(pvAspect) , _ptd(ptd) , _hicTargetDev(hicTargetDev) , _cColors(0)

    717. 

  717. {

    718. 

  718.     _cColorsMax = max((unsigned)256, cColorsMax);

    719. 

  719. }

    720. 

  720. 

    721. 

  721. HRESULT

    722. 

  722. CColorInfo::AddColors(HPALETTE hpal)

    723. 

  723. {

    724. 

  724.     unsigned cColors = GetPaletteEntries(hpal, 0, 0, NULL);

    725. 

  725.     cColors = min(_cColorsMax - _cColors, cColors);

    726. 

  726. 

    727. 

  727.     if (cColors)

    728. 

  728.     {

    729. 

  729.         GetPaletteEntries(hpal, 0, cColors, &_aColors[_cColors]);

    730. 

  730.         _cColors += cColors;

    731. 

  731.     }

    732. 

  732.     RRETURN(S_OK);

    733. 

  733. }

    734. 

  734. 

    735. 

  735. HRESULT

    736. 

  736. CColorInfo::AddColors(LOGPALETTE *pLogPal)

    737. 

  737. {

    738. 

  738.     RRETURN(AddColors(pLogPal->palNumEntries, pLogPal->palPalEntry));

    739. 

  739. }

    740. 

  740. 

    741. 

  741. HRESULT

    742. 

  742. CColorInfo::AddColors(unsigned cColors, PALETTEENTRY *pColors)

    743. 

  743. {

    744. 

  744.     // The check for system colors assumes they occur in the same order as

    745. 

  745.     // the real system colors.  This is the simplest possible fix for now.

    746. 

  746. 

    747. 

  747.     // Remove any system colors at the end (do this first so that cColors makes sense)

    748. 

  748. 

    749. 

  749.     Assert(g_lpHalftone.wCnt == 256);

    750. 

  750.     Assert(sizeof(PALETTEENTRY) == sizeof(DWORD));

    751. 

  751. 

    752. 

  752.     DWORD *pSystem = (DWORD *)&g_lpHalftone.ape[g_lpHalftone.wCnt - 1];

    753. 

  753.     DWORD *pInput = (DWORD *)&pColors[cColors - 1];

    754. 

  754.     while (cColors && (*pSystem == *pInput))

    755. 

  755.     {

    756. 

  756.         pSystem--;

    757. 

  757.         pInput--;

    758. 

  758.         cColors--;

    759. 

  759.     }

    760. 

  760. 

    761. 

  761.     // Remove any system colors at the beginning

    762. 

  762.     pSystem = (DWORD *)(g_lpHalftone.ape);

    763. 

  763.     pInput = (DWORD *)pColors;

    764. 

  764.     while (cColors && (*pSystem == *pInput))

    765. 

  765.     {

    766. 

  766.         pSystem++;

    767. 

  767.         pInput++;

    768. 

  768.         cColors--;

    769. 

  769.     }

    770. 

  770.     pColors = (PALETTEENTRY *)pInput;

    771. 

  771. 

    772. 

  772.     cColors = min(_cColorsMax - _cColors, cColors);

    773. 

  773.     if (cColors)

    774. 

  774.     {

    775. 

  775.         memcpy(&_aColors[_cColors], pColors, cColors * sizeof(PALETTEENTRY));

    776. 

  776.         _cColors += cColors;

    777. 

  777.     }

    778. 

  778. 

    779. 

  779.     RRETURN(S_OK);

    780. 

  780. }

    781. 

  781. 

    782. 

  782. HRESULT

    783. 

  783. CColorInfo::AddColors(unsigned cColors, RGBQUAD *pColors)

    784. 

  784. {

    785. 

  785.     cColors = min(_cColorsMax - _cColors, cColors);

    786. 

  786.     if (cColors)

    787. 

  787.     {

    788. 

  788.         CopyPaletteEntriesFromColors(&_aColors[_cColors], pColors, cColors);

    789. 

  789.         _cColors += cColors;

    790. 

  790.     }

    791. 

  791. 

    792. 

  792.     RRETURN(S_OK);

    793. 

  793. }

    794. 

  794. 

    795. 

  795. HRESULT

    796. 

  796. CColorInfo::AddColors(unsigned cColors, COLORREF *pColors)

    797. 

  797. {

    798. 

  798.     cColors = min(_cColorsMax - _cColors, cColors);

    799. 

  799.     while (cColors)

    800. 

  800.     {

    801. 

  801.         _aColors[_cColors].peRed = GetRValue(*pColors);

    802. 

  802.         _aColors[_cColors].peGreen = GetGValue(*pColors);

    803. 

  803.         _aColors[_cColors].peBlue = GetBValue(*pColors);

    804. 

  804.         _aColors[_cColors].peFlags = 0;

    805. 

  805.         pColors++;

    806. 

  806.     }

    807. 

  807. 

    808. 

  808.     RRETURN(S_OK);

    809. 

  809. }

    810. 

  810. 

    811. 

  811. HRESULT

    812. 

  812. CColorInfo::AddColors(IViewObject *pVO)

    813. 

  813. {

    814. 

  814.     LPLOGPALETTE pColors = NULL;

    815. 

  815.     HRESULT hr = pVO->GetColorSet(_dwDrawAspect, _lindex, _pvAspect, _ptd, _hicTargetDev, &pColors);

    816. 

  816.     if (FAILED(hr))

    817. 

  817.     {

    818. 

  818.         hr = E_NOTIMPL;

    819. 

  819.     }

    820. 

  820.     else if (hr == S_OK && pColors)

    821. 

  821.     {

    822. 

  822.         AddColors(pColors);

    823. 

  823.         CoTaskMemFree(pColors);

    824. 

  824. 

    825. 

  825.     }

    826. 

  826. 

    827. 

  827.     RRETURN1(hr, S_FALSE);

    828. 

  828. }

    829. 

  829. 

    830. 

  830. BOOL

    831. 

  831. CColorInfo::IsFull()

    832. 

  832. {

    833. 

  833.     Assert(_cColors <= _cColorsMax);

    834. 

  834.     return _cColors >= _cColorsMax;

    835. 

  835. }

    836. 

  836. 

    837. 

  837. HRESULT

    838. 

  838. CColorInfo::GetColorSet(LPLOGPALETTE FAR *ppColors)

    839. 

  839. {

    840. 

  840.     *ppColors = 0;

    841. 

  841.     if (_cColors == 0)

    842. 

  842.         RRETURN1(S_FALSE, S_FALSE);

    843. 

  843. 

    844. 

  844.     LOGPALETTE *pColors;

    845. 

  845. 

    846. 

  846.     //

    847. 

  847.     // It's just easier to allocate 256 colors instead of messing about.

    848. 

  848.     //

    849. 

  849.     *ppColors = pColors = (LOGPALETTE *)CoTaskMemAlloc(sizeof(LOGPALETTE) + 255 * sizeof(PALETTEENTRY));

    850. 

  850. 

    851. 

  851.     if (!pColors)

    852. 

  852.         RRETURN(E_OUTOFMEMORY);

    853. 

  853. 

    854. 

  854.     // This will ensure that we have a reasonable set of colors, including

    855. 

  855.     // the system colors to start

    856. 

  856.     memcpy(pColors, &g_lpHalftone, sizeof(g_lpHalftone));

    857. 

  857. 

    858. 

  858.     unsigned cColors = min((unsigned)236, _cColors);

    859. 

  859. 

    860. 

  860.     // Notice that we avoid overwriting the beginning of the _aColors array.

    861. 

  861.     // The assumption is that the colors are in some kind of order.

    862. 

  862.     memcpy(pColors->palPalEntry + 10, _aColors, cColors * sizeof(PALETTEENTRY));

    863. 

  863. 

    864. 

  864.     for (unsigned i = 10 ; i < (cColors + 10); i++)

    865. 

  865.         pColors->palPalEntry[i].peFlags = PC_NOCOLLAPSE;

    866. 

  866. 

    867. 

  867.     RRETURN(S_OK);

    868. 

  868. }

    869. 

  869. #if DBG == 1

    870. 

  870. 

    871. 

  871. ExternTag(tagPalette);

    872. 

  872. 

    873. 

  873. void DumpPalette(CHAR *szName, unsigned cColors, PALETTEENTRY *pColors)

    874. 

  874. {

    875. 

  875.     if (pColors)

    876. 

  876.     {

    877. 

  877.         TraceTagEx((tagPalette, TAG_NONAME | TAG_NONEWLINE | TAG_USECONSOLE, "DumpPalette: %s\n", szName));

    878. 

  878.         TraceTagEx((tagPalette, TAG_NONAME | TAG_NONEWLINE | TAG_USECONSOLE, "idx r  g  b  flags"));

    879. 

  879.         for (unsigned i = 0 ; i < cColors ; i++)

    880. 

  880.         {

    881. 

  881.             TraceTagEx((tagPalette, TAG_NONAME | TAG_NONEWLINE | TAG_USECONSOLE, "%02x: %02x %02x %02x %02x", i, pColors[i].peRed, pColors[i].peGreen, pColors[i].peBlue, pColors[i].peFlags));

    882. 

  882.             if (i % 8 == 0)

    883. 

  883.                 TraceTagEx((tagPalette, TAG_NONAME | TAG_NONEWLINE | TAG_USECONSOLE, "\n"));

    884. 

  884.         }

    885. 

  885.     }

    886. 

  886.     else

    887. 

  887.         TraceTag((tagPalette, "%s is NULL", szName));

    888. 

  888. }

    889. 

  889. 

    890. 

  890. void DumpPalette(CHAR *szName, LOGPALETTE *lp)

    891. 

  891. {

    892. 

  892.     if (lp)

    893. 

  893.         DumpPalette(szName, lp->palNumEntries, lp->palPalEntry);

    894. 

  894.     else

    895. 

  895.         TraceTag((tagPalette, "%s is NULL", szName));

    896. 

  896. }

    897. 

  897. 

    898. 

  898. void DumpPalette(CHAR *szName, HPALETTE hpal)

    899. 

  899. {

    900. 

  900.     if (hpal)

    901. 

  901.     {

    902. 

  902.         PALETTEENTRY ape[256];

    903. 

  903.         DumpPalette(szName, GetPaletteEntries(hpal, 0, 256, ape), ape);

    904. 

  904.     }

    905. 

  905.     else

    906. 

  906.         TraceTag((tagPalette, "%s is NULL", szName));

    907. 

  907. }

    908. 

  908. 

    909. 

  909. #endif
    910.