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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3584 | sourcerer | 1 | /* |
| 2 | * This file is part of LibCSS. |
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| 3 | * Licensed under the MIT License, |
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| 4 | * http://www.opensource.org/licenses/mit-license.php |
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| 5 | * Copyright 2008 John-Mark Bell |
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| 6 | */ |
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| 7 | |||
| 8 | #ifndef css_bytecode_bytecode_h_ |
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| 9 | #define css_bytecode_bytecode_h_ |
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| 10 | |||
| 11 | #include |
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| 12 | #include |
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| 13 | |||
| 14 | #include |
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| 15 | #include |
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| 16 | |||
| 17 | typedef uint32_t css_code_t; |
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| 18 | |||
| 19 | typedef enum css_properties_e opcode_t; |
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| 20 | |||
| 21 | enum flag { |
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| 22 | FLAG_IMPORTANT = (1<<0), |
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| 23 | FLAG_INHERIT = (1<<1) |
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| 24 | }; |
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| 25 | |||
| 26 | typedef enum unit { |
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| 27 | UNIT_PX = 0, |
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| 28 | UNIT_EX = 1, |
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| 29 | UNIT_EM = 2, |
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| 30 | UNIT_IN = 3, |
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| 31 | UNIT_CM = 4, |
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| 32 | UNIT_MM = 5, |
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| 33 | UNIT_PT = 6, |
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| 34 | UNIT_PC = 7, |
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| 35 | |||
| 36 | UNIT_PCT = (1 << 8), |
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| 37 | |||
| 38 | UNIT_ANGLE = (1 << 9), |
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| 39 | UNIT_DEG = (1 << 9) + 0, |
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| 40 | UNIT_GRAD = (1 << 9) + 1, |
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| 41 | UNIT_RAD = (1 << 9) + 2, |
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| 42 | |||
| 43 | UNIT_TIME = (1 << 10), |
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| 44 | UNIT_MS = (1 << 10) + 0, |
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| 45 | UNIT_S = (1 << 10) + 1, |
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| 46 | |||
| 47 | UNIT_FREQ = (1 << 11), |
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| 48 | UNIT_HZ = (1 << 11) + 0, |
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| 49 | UNIT_KHZ = (1 << 11) + 1 |
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| 50 | } unit; |
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| 51 | |||
| 52 | typedef uint32_t colour; |
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| 53 | |||
| 54 | typedef enum shape { |
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| 55 | SHAPE_RECT = 0 |
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| 56 | } shape; |
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| 57 | |||
| 58 | static inline css_code_t buildOPV(opcode_t opcode, uint8_t flags, uint16_t value) |
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| 59 | { |
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| 60 | return (opcode & 0x3ff) | (flags << 10) | ((value & 0x3fff) << 18); |
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| 61 | } |
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| 62 | |||
| 63 | static inline opcode_t getOpcode(css_code_t OPV) |
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| 64 | { |
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| 65 | return (OPV & 0x3ff); |
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| 66 | } |
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| 67 | |||
| 68 | static inline uint8_t getFlags(css_code_t OPV) |
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| 69 | { |
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| 70 | return ((OPV >> 10) & 0xff); |
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| 71 | } |
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| 72 | |||
| 73 | static inline uint16_t getValue(css_code_t OPV) |
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| 74 | { |
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| 75 | return (OPV >> 18); |
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| 76 | } |
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| 77 | |||
| 78 | static inline bool isImportant(css_code_t OPV) |
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| 79 | { |
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| 80 | return getFlags(OPV) & 0x1; |
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| 81 | } |
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| 82 | |||
| 83 | static inline bool isInherit(css_code_t OPV) |
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| 84 | { |
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| 85 | return getFlags(OPV) & 0x2; |
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| 86 | } |
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| 87 | |||
| 88 | #endif |
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| 89 | |||
| 90 | |||
| 91 |