diff options
Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/freetype-go/freetype/truetype/opcodes.go')
| -rw-r--r-- | Godeps/_workspace/src/code.google.com/p/freetype-go/freetype/truetype/opcodes.go | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/freetype-go/freetype/truetype/opcodes.go b/Godeps/_workspace/src/code.google.com/p/freetype-go/freetype/truetype/opcodes.go new file mode 100644 index 000000000..1880e1e63 --- /dev/null +++ b/Godeps/_workspace/src/code.google.com/p/freetype-go/freetype/truetype/opcodes.go @@ -0,0 +1,289 @@ +// Copyright 2012 The Freetype-Go Authors. All rights reserved. +// Use of this source code is governed by your choice of either the +// FreeType License or the GNU General Public License version 2 (or +// any later version), both of which can be found in the LICENSE file. + +package truetype + +// The Truetype opcodes are summarized at +// https://developer.apple.com/fonts/TTRefMan/RM07/appendixA.html + +const ( + opSVTCA0 = 0x00 // Set freedom and projection Vectors To Coordinate Axis + opSVTCA1 = 0x01 // . + opSPVTCA0 = 0x02 // Set Projection Vector To Coordinate Axis + opSPVTCA1 = 0x03 // . + opSFVTCA0 = 0x04 // Set Freedom Vector to Coordinate Axis + opSFVTCA1 = 0x05 // . + opSPVTL0 = 0x06 // Set Projection Vector To Line + opSPVTL1 = 0x07 // . + opSFVTL0 = 0x08 // Set Freedom Vector To Line + opSFVTL1 = 0x09 // . + opSPVFS = 0x0a // Set Projection Vector From Stack + opSFVFS = 0x0b // Set Freedom Vector From Stack + opGPV = 0x0c // Get Projection Vector + opGFV = 0x0d // Get Freedom Vector + opSFVTPV = 0x0e // Set Freedom Vector To Projection Vector + opISECT = 0x0f // moves point p to the InterSECTion of two lines + opSRP0 = 0x10 // Set Reference Point 0 + opSRP1 = 0x11 // Set Reference Point 1 + opSRP2 = 0x12 // Set Reference Point 2 + opSZP0 = 0x13 // Set Zone Pointer 0 + opSZP1 = 0x14 // Set Zone Pointer 1 + opSZP2 = 0x15 // Set Zone Pointer 2 + opSZPS = 0x16 // Set Zone PointerS + opSLOOP = 0x17 // Set LOOP variable + opRTG = 0x18 // Round To Grid + opRTHG = 0x19 // Round To Half Grid + opSMD = 0x1a // Set Minimum Distance + opELSE = 0x1b // ELSE clause + opJMPR = 0x1c // JuMP Relative + opSCVTCI = 0x1d // Set Control Value Table Cut-In + opSSWCI = 0x1e // Set Single Width Cut-In + opSSW = 0x1f // Set Single Width + opDUP = 0x20 // DUPlicate top stack element + opPOP = 0x21 // POP top stack element + opCLEAR = 0x22 // CLEAR the stack + opSWAP = 0x23 // SWAP the top two elements on the stack + opDEPTH = 0x24 // DEPTH of the stack + opCINDEX = 0x25 // Copy the INDEXed element to the top of the stack + opMINDEX = 0x26 // Move the INDEXed element to the top of the stack + opALIGNPTS = 0x27 // ALIGN PoinTS + op_0x28 = 0x28 // deprecated + opUTP = 0x29 // UnTouch Point + opLOOPCALL = 0x2a // LOOP and CALL function + opCALL = 0x2b // CALL function + opFDEF = 0x2c // Function DEFinition + opENDF = 0x2d // END Function definition + opMDAP0 = 0x2e // Move Direct Absolute Point + opMDAP1 = 0x2f // . + opIUP0 = 0x30 // Interpolate Untouched Points through the outline + opIUP1 = 0x31 // . + opSHP0 = 0x32 // SHift Point using reference point + opSHP1 = 0x33 // . + opSHC0 = 0x34 // SHift Contour using reference point + opSHC1 = 0x35 // . + opSHZ0 = 0x36 // SHift Zone using reference point + opSHZ1 = 0x37 // . + opSHPIX = 0x38 // SHift point by a PIXel amount + opIP = 0x39 // Interpolate Point + opMSIRP0 = 0x3a // Move Stack Indirect Relative Point + opMSIRP1 = 0x3b // . + opALIGNRP = 0x3c // ALIGN to Reference Point + opRTDG = 0x3d // Round To Double Grid + opMIAP0 = 0x3e // Move Indirect Absolute Point + opMIAP1 = 0x3f // . + opNPUSHB = 0x40 // PUSH N Bytes + opNPUSHW = 0x41 // PUSH N Words + opWS = 0x42 // Write Store + opRS = 0x43 // Read Store + opWCVTP = 0x44 // Write Control Value Table in Pixel units + opRCVT = 0x45 // Read Control Value Table entry + opGC0 = 0x46 // Get Coordinate projected onto the projection vector + opGC1 = 0x47 // . + opSCFS = 0x48 // Sets Coordinate From the Stack using projection vector and freedom vector + opMD0 = 0x49 // Measure Distance + opMD1 = 0x4a // . + opMPPEM = 0x4b // Measure Pixels Per EM + opMPS = 0x4c // Measure Point Size + opFLIPON = 0x4d // set the auto FLIP Boolean to ON + opFLIPOFF = 0x4e // set the auto FLIP Boolean to OFF + opDEBUG = 0x4f // DEBUG call + opLT = 0x50 // Less Than + opLTEQ = 0x51 // Less Than or EQual + opGT = 0x52 // Greater Than + opGTEQ = 0x53 // Greater Than or EQual + opEQ = 0x54 // EQual + opNEQ = 0x55 // Not EQual + opODD = 0x56 // ODD + opEVEN = 0x57 // EVEN + opIF = 0x58 // IF test + opEIF = 0x59 // End IF + opAND = 0x5a // logical AND + opOR = 0x5b // logical OR + opNOT = 0x5c // logical NOT + opDELTAP1 = 0x5d // DELTA exception P1 + opSDB = 0x5e // Set Delta Base in the graphics state + opSDS = 0x5f // Set Delta Shift in the graphics state + opADD = 0x60 // ADD + opSUB = 0x61 // SUBtract + opDIV = 0x62 // DIVide + opMUL = 0x63 // MULtiply + opABS = 0x64 // ABSolute value + opNEG = 0x65 // NEGate + opFLOOR = 0x66 // FLOOR + opCEILING = 0x67 // CEILING + opROUND00 = 0x68 // ROUND value + opROUND01 = 0x69 // . + opROUND10 = 0x6a // . + opROUND11 = 0x6b // . + opNROUND00 = 0x6c // No ROUNDing of value + opNROUND01 = 0x6d // . + opNROUND10 = 0x6e // . + opNROUND11 = 0x6f // . + opWCVTF = 0x70 // Write Control Value Table in Funits + opDELTAP2 = 0x71 // DELTA exception P2 + opDELTAP3 = 0x72 // DELTA exception P3 + opDELTAC1 = 0x73 // DELTA exception C1 + opDELTAC2 = 0x74 // DELTA exception C2 + opDELTAC3 = 0x75 // DELTA exception C3 + opSROUND = 0x76 // Super ROUND + opS45ROUND = 0x77 // Super ROUND 45 degrees + opJROT = 0x78 // Jump Relative On True + opJROF = 0x79 // Jump Relative On False + opROFF = 0x7a // Round OFF + op_0x7b = 0x7b // deprecated + opRUTG = 0x7c // Round Up To Grid + opRDTG = 0x7d // Round Down To Grid + opSANGW = 0x7e // Set ANGle Weight + opAA = 0x7f // Adjust Angle + opFLIPPT = 0x80 // FLIP PoinT + opFLIPRGON = 0x81 // FLIP RanGe ON + opFLIPRGOFF = 0x82 // FLIP RanGe OFF + op_0x83 = 0x83 // deprecated + op_0x84 = 0x84 // deprecated + opSCANCTRL = 0x85 // SCAN conversion ConTRoL + opSDPVTL0 = 0x86 // Set Dual Projection Vector To Line + opSDPVTL1 = 0x87 // . + opGETINFO = 0x88 // GET INFOrmation + opIDEF = 0x89 // Instruction DEFinition + opROLL = 0x8a // ROLL the top three stack elements + opMAX = 0x8b // MAXimum of top two stack elements + opMIN = 0x8c // MINimum of top two stack elements + opSCANTYPE = 0x8d // SCANTYPE + opINSTCTRL = 0x8e // INSTRuction execution ConTRoL + op_0x8f = 0x8f + op_0x90 = 0x90 + op_0x91 = 0x91 + op_0x92 = 0x92 + op_0x93 = 0x93 + op_0x94 = 0x94 + op_0x95 = 0x95 + op_0x96 = 0x96 + op_0x97 = 0x97 + op_0x98 = 0x98 + op_0x99 = 0x99 + op_0x9a = 0x9a + op_0x9b = 0x9b + op_0x9c = 0x9c + op_0x9d = 0x9d + op_0x9e = 0x9e + op_0x9f = 0x9f + op_0xa0 = 0xa0 + op_0xa1 = 0xa1 + op_0xa2 = 0xa2 + op_0xa3 = 0xa3 + op_0xa4 = 0xa4 + op_0xa5 = 0xa5 + op_0xa6 = 0xa6 + op_0xa7 = 0xa7 + op_0xa8 = 0xa8 + op_0xa9 = 0xa9 + op_0xaa = 0xaa + op_0xab = 0xab + op_0xac = 0xac + op_0xad = 0xad + op_0xae = 0xae + op_0xaf = 0xaf + opPUSHB000 = 0xb0 // PUSH Bytes + opPUSHB001 = 0xb1 // . + opPUSHB010 = 0xb2 // . + opPUSHB011 = 0xb3 // . + opPUSHB100 = 0xb4 // . + opPUSHB101 = 0xb5 // . + opPUSHB110 = 0xb6 // . + opPUSHB111 = 0xb7 // . + opPUSHW000 = 0xb8 // PUSH Words + opPUSHW001 = 0xb9 // . + opPUSHW010 = 0xba // . + opPUSHW011 = 0xbb // . + opPUSHW100 = 0xbc // . + opPUSHW101 = 0xbd // . + opPUSHW110 = 0xbe // . + opPUSHW111 = 0xbf // . + opMDRP00000 = 0xc0 // Move Direct Relative Point + opMDRP00001 = 0xc1 // . + opMDRP00010 = 0xc2 // . + opMDRP00011 = 0xc3 // . + opMDRP00100 = 0xc4 // . + opMDRP00101 = 0xc5 // . + opMDRP00110 = 0xc6 // . + opMDRP00111 = 0xc7 // . + opMDRP01000 = 0xc8 // . + opMDRP01001 = 0xc9 // . + opMDRP01010 = 0xca // . + opMDRP01011 = 0xcb // . + opMDRP01100 = 0xcc // . + opMDRP01101 = 0xcd // . + opMDRP01110 = 0xce // . + opMDRP01111 = 0xcf // . + opMDRP10000 = 0xd0 // . + opMDRP10001 = 0xd1 // . + opMDRP10010 = 0xd2 // . + opMDRP10011 = 0xd3 // . + opMDRP10100 = 0xd4 // . + opMDRP10101 = 0xd5 // . + opMDRP10110 = 0xd6 // . + opMDRP10111 = 0xd7 // . + opMDRP11000 = 0xd8 // . + opMDRP11001 = 0xd9 // . + opMDRP11010 = 0xda // . + opMDRP11011 = 0xdb // . + opMDRP11100 = 0xdc // . + opMDRP11101 = 0xdd // . + opMDRP11110 = 0xde // . + opMDRP11111 = 0xdf // . + opMIRP00000 = 0xe0 // Move Indirect Relative Point + opMIRP00001 = 0xe1 // . + opMIRP00010 = 0xe2 // . + opMIRP00011 = 0xe3 // . + opMIRP00100 = 0xe4 // . + opMIRP00101 = 0xe5 // . + opMIRP00110 = 0xe6 // . + opMIRP00111 = 0xe7 // . + opMIRP01000 = 0xe8 // . + opMIRP01001 = 0xe9 // . + opMIRP01010 = 0xea // . + opMIRP01011 = 0xeb // . + opMIRP01100 = 0xec // . + opMIRP01101 = 0xed // . + opMIRP01110 = 0xee // . + opMIRP01111 = 0xef // . + opMIRP10000 = 0xf0 // . + opMIRP10001 = 0xf1 // . + opMIRP10010 = 0xf2 // . + opMIRP10011 = 0xf3 // . + opMIRP10100 = 0xf4 // . + opMIRP10101 = 0xf5 // . + opMIRP10110 = 0xf6 // . + opMIRP10111 = 0xf7 // . + opMIRP11000 = 0xf8 // . + opMIRP11001 = 0xf9 // . + opMIRP11010 = 0xfa // . + opMIRP11011 = 0xfb // . + opMIRP11100 = 0xfc // . + opMIRP11101 = 0xfd // . + opMIRP11110 = 0xfe // . + opMIRP11111 = 0xff // . +) + +// popCount is the number of stack elements that each opcode pops. +var popCount = [256]uint8{ + // 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, f + 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 0, 0, 0, 5, // 0x00 - 0x0f + 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, // 0x10 - 0x1f + 1, 1, 0, 2, 0, 1, 1, 2, 0, 1, 2, 1, 1, 0, 1, 1, // 0x20 - 0x2f + 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 2, 2, 0, 0, 2, 2, // 0x30 - 0x3f + 0, 0, 2, 1, 2, 1, 1, 1, 2, 2, 2, 0, 0, 0, 0, 0, // 0x40 - 0x4f + 2, 2, 2, 2, 2, 2, 1, 1, 1, 0, 2, 2, 1, 1, 1, 1, // 0x50 - 0x5f + 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 - 0x6f + 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 0, 0, 0, 0, 1, 1, // 0x70 - 0x7f + 0, 2, 2, 0, 0, 1, 2, 2, 1, 1, 3, 2, 2, 1, 2, 0, // 0x80 - 0x8f + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x90 - 0x9f + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xa0 - 0xaf + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xb0 - 0xbf + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xc0 - 0xcf + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0xd0 - 0xdf + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // 0xe0 - 0xef + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // 0xf0 - 0xff +} |