1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "core/fxge/fx_dib.h" 8 9 #include <tuple> 10 #include <utility> 11 12 #include "core/fxcrt/fx_extension.h" 13 #include "third_party/base/ptr_util.h" 14 15 const int16_t SDP_Table[513] = { 16 256, 256, 256, 256, 256, 256, 256, 256, 256, 255, 255, 255, 255, 255, 255, 17 254, 254, 254, 254, 253, 253, 253, 252, 252, 252, 251, 251, 251, 250, 250, 18 249, 249, 249, 248, 248, 247, 247, 246, 246, 245, 244, 244, 243, 243, 242, 19 242, 241, 240, 240, 239, 238, 238, 237, 236, 236, 235, 234, 233, 233, 232, 20 231, 230, 230, 229, 228, 227, 226, 226, 225, 224, 223, 222, 221, 220, 219, 21 218, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208, 207, 206, 205, 22 204, 203, 202, 201, 200, 199, 198, 196, 195, 194, 193, 192, 191, 190, 189, 23 188, 186, 185, 184, 183, 182, 181, 179, 178, 177, 176, 175, 173, 172, 171, 24 170, 169, 167, 166, 165, 164, 162, 161, 160, 159, 157, 156, 155, 154, 152, 25 151, 150, 149, 147, 146, 145, 143, 142, 141, 140, 138, 137, 136, 134, 133, 26 132, 130, 129, 128, 126, 125, 124, 122, 121, 120, 119, 117, 116, 115, 113, 27 112, 111, 109, 108, 107, 105, 104, 103, 101, 100, 99, 97, 96, 95, 93, 28 92, 91, 89, 88, 87, 85, 84, 83, 81, 80, 79, 77, 76, 75, 73, 29 72, 71, 69, 68, 67, 66, 64, 63, 62, 60, 59, 58, 57, 55, 54, 30 53, 52, 50, 49, 48, 47, 45, 44, 43, 42, 40, 39, 38, 37, 36, 31 34, 33, 32, 31, 30, 28, 27, 26, 25, 24, 23, 21, 20, 19, 18, 32 17, 16, 15, 14, 13, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 33 1, 0, 0, -1, -2, -3, -4, -5, -6, -7, -7, -8, -9, -10, -11, 34 -12, -12, -13, -14, -15, -15, -16, -17, -17, -18, -19, -19, -20, -21, -21, 35 -22, -22, -23, -24, -24, -25, -25, -26, -26, -27, -27, -27, -28, -28, -29, 36 -29, -30, -30, -30, -31, -31, -31, -32, -32, -32, -33, -33, -33, -33, -34, 37 -34, -34, -34, -35, -35, -35, -35, -35, -36, -36, -36, -36, -36, -36, -36, 38 -36, -36, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, 39 -37, -37, -37, -37, -37, -37, -37, -37, -36, -36, -36, -36, -36, -36, -36, 40 -36, -36, -35, -35, -35, -35, -35, -35, -34, -34, -34, -34, -34, -33, -33, 41 -33, -33, -33, -32, -32, -32, -32, -31, -31, -31, -31, -30, -30, -30, -30, 42 -29, -29, -29, -29, -28, -28, -28, -27, -27, -27, -27, -26, -26, -26, -25, 43 -25, -25, -24, -24, -24, -23, -23, -23, -22, -22, -22, -22, -21, -21, -21, 44 -20, -20, -20, -19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16, -16, 45 -15, -15, -15, -14, -14, -14, -13, -13, -13, -12, -12, -12, -11, -11, -11, 46 -10, -10, -10, -9, -9, -9, -9, -8, -8, -8, -7, -7, -7, -7, -6, 47 -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3, 48 -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, 0, 0, 0, 49 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 50 0, 0, 0, 51 }; 52 53 FX_RECT FXDIB_SwapClipBox(FX_RECT& clip, 54 int width, 55 int height, 56 bool bFlipX, 57 bool bFlipY) { 58 FX_RECT rect; 59 if (bFlipY) { 60 rect.left = height - clip.top; 61 rect.right = height - clip.bottom; 62 } else { 63 rect.left = clip.top; 64 rect.right = clip.bottom; 65 } 66 if (bFlipX) { 67 rect.top = width - clip.left; 68 rect.bottom = width - clip.right; 69 } else { 70 rect.top = clip.left; 71 rect.bottom = clip.right; 72 } 73 rect.Normalize(); 74 return rect; 75 } 76 77 std::tuple<int, int, int, int> ArgbDecode(FX_ARGB argb) { 78 return std::make_tuple(FXARGB_A(argb), FXARGB_R(argb), FXARGB_G(argb), 79 FXARGB_B(argb)); 80 } 81 82 std::pair<int, FX_COLORREF> ArgbToColorRef(FX_ARGB argb) { 83 return {FXARGB_A(argb), 84 FXSYS_RGB(FXARGB_R(argb), FXARGB_G(argb), FXARGB_B(argb))}; 85 } 86 87 uint32_t ArgbEncode(int a, FX_COLORREF rgb) { 88 return FXARGB_MAKE(a, FXSYS_GetRValue(rgb), FXSYS_GetGValue(rgb), 89 FXSYS_GetBValue(rgb)); 90 } 91 92 FX_ARGB StringToFXARGB(const WideStringView& wsValue) { 93 uint8_t r = 0, g = 0, b = 0; 94 if (wsValue.GetLength() == 0) 95 return 0xff000000; 96 97 int cc = 0; 98 const wchar_t* str = wsValue.unterminated_c_str(); 99 int len = wsValue.GetLength(); 100 while (FXSYS_iswspace(str[cc]) && cc < len) 101 cc++; 102 103 if (cc >= len) 104 return 0xff000000; 105 106 while (cc < len) { 107 if (str[cc] == ',' || !FXSYS_isDecimalDigit(str[cc])) 108 break; 109 110 r = r * 10 + str[cc] - '0'; 111 cc++; 112 } 113 if (cc < len && str[cc] == ',') { 114 cc++; 115 while (FXSYS_iswspace(str[cc]) && cc < len) 116 cc++; 117 118 while (cc < len) { 119 if (str[cc] == ',' || !FXSYS_isDecimalDigit(str[cc])) 120 break; 121 122 g = g * 10 + str[cc] - '0'; 123 cc++; 124 } 125 if (cc < len && str[cc] == ',') { 126 cc++; 127 while (FXSYS_iswspace(str[cc]) && cc < len) 128 cc++; 129 130 while (cc < len) { 131 if (str[cc] == ',' || !FXSYS_isDecimalDigit(str[cc])) 132 break; 133 134 b = b * 10 + str[cc] - '0'; 135 cc++; 136 } 137 } 138 } 139 return (0xff << 24) | (r << 16) | (g << 8) | b; 140 } 141
