| Index: core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
|
| diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
|
| index c961f8b20f78b18ea1361397111c2d88df7b18d0..87ff0a3b634a209074cd22d70f367120446f0c57 100644
|
| --- a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
|
| +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
|
| @@ -13,893 +13,907 @@
|
| #include "pageint.h"
|
|
|
| class CPDF_PSEngine;
|
| -typedef enum {PSOP_ADD, PSOP_SUB, PSOP_MUL, PSOP_DIV, PSOP_IDIV, PSOP_MOD,
|
| - PSOP_NEG, PSOP_ABS, PSOP_CEILING, PSOP_FLOOR, PSOP_ROUND, PSOP_TRUNCATE,
|
| - PSOP_SQRT, PSOP_SIN, PSOP_COS, PSOP_ATAN, PSOP_EXP, PSOP_LN, PSOP_LOG,
|
| - PSOP_CVI, PSOP_CVR, PSOP_EQ, PSOP_NE, PSOP_GT, PSOP_GE, PSOP_LT, PSOP_LE,
|
| - PSOP_AND, PSOP_OR, PSOP_XOR, PSOP_NOT, PSOP_BITSHIFT, PSOP_TRUE, PSOP_FALSE,
|
| - PSOP_IF, PSOP_IFELSE, PSOP_POP, PSOP_EXCH, PSOP_DUP, PSOP_COPY,
|
| - PSOP_INDEX, PSOP_ROLL, PSOP_PROC, PSOP_CONST
|
| - } PDF_PSOP;
|
| -class CPDF_PSProc
|
| -{
|
| -public:
|
| - ~CPDF_PSProc();
|
| - FX_BOOL Parse(CPDF_SimpleParser& parser);
|
| - FX_BOOL Execute(CPDF_PSEngine* pEngine);
|
| - CFX_PtrArray m_Operators;
|
| +typedef enum {
|
| + PSOP_ADD,
|
| + PSOP_SUB,
|
| + PSOP_MUL,
|
| + PSOP_DIV,
|
| + PSOP_IDIV,
|
| + PSOP_MOD,
|
| + PSOP_NEG,
|
| + PSOP_ABS,
|
| + PSOP_CEILING,
|
| + PSOP_FLOOR,
|
| + PSOP_ROUND,
|
| + PSOP_TRUNCATE,
|
| + PSOP_SQRT,
|
| + PSOP_SIN,
|
| + PSOP_COS,
|
| + PSOP_ATAN,
|
| + PSOP_EXP,
|
| + PSOP_LN,
|
| + PSOP_LOG,
|
| + PSOP_CVI,
|
| + PSOP_CVR,
|
| + PSOP_EQ,
|
| + PSOP_NE,
|
| + PSOP_GT,
|
| + PSOP_GE,
|
| + PSOP_LT,
|
| + PSOP_LE,
|
| + PSOP_AND,
|
| + PSOP_OR,
|
| + PSOP_XOR,
|
| + PSOP_NOT,
|
| + PSOP_BITSHIFT,
|
| + PSOP_TRUE,
|
| + PSOP_FALSE,
|
| + PSOP_IF,
|
| + PSOP_IFELSE,
|
| + PSOP_POP,
|
| + PSOP_EXCH,
|
| + PSOP_DUP,
|
| + PSOP_COPY,
|
| + PSOP_INDEX,
|
| + PSOP_ROLL,
|
| + PSOP_PROC,
|
| + PSOP_CONST
|
| +} PDF_PSOP;
|
| +class CPDF_PSProc {
|
| + public:
|
| + ~CPDF_PSProc();
|
| + FX_BOOL Parse(CPDF_SimpleParser& parser);
|
| + FX_BOOL Execute(CPDF_PSEngine* pEngine);
|
| + CFX_PtrArray m_Operators;
|
| };
|
| #define PSENGINE_STACKSIZE 100
|
| -class CPDF_PSEngine
|
| -{
|
| -public:
|
| - CPDF_PSEngine();
|
| - ~CPDF_PSEngine();
|
| - FX_BOOL Parse(const FX_CHAR* string, int size);
|
| - FX_BOOL Execute()
|
| - {
|
| - return m_MainProc.Execute(this);
|
| - }
|
| - FX_BOOL DoOperator(PDF_PSOP op);
|
| - void Reset()
|
| - {
|
| - m_StackCount = 0;
|
| - }
|
| - void Push(FX_FLOAT value);
|
| - void Push(int value)
|
| - {
|
| - Push((FX_FLOAT)value);
|
| - }
|
| - FX_FLOAT Pop();
|
| - int GetStackSize()
|
| - {
|
| - return m_StackCount;
|
| - }
|
| -private:
|
| - FX_FLOAT m_Stack[PSENGINE_STACKSIZE];
|
| - int m_StackCount;
|
| - CPDF_PSProc m_MainProc;
|
| +class CPDF_PSEngine {
|
| + public:
|
| + CPDF_PSEngine();
|
| + ~CPDF_PSEngine();
|
| + FX_BOOL Parse(const FX_CHAR* string, int size);
|
| + FX_BOOL Execute() { return m_MainProc.Execute(this); }
|
| + FX_BOOL DoOperator(PDF_PSOP op);
|
| + void Reset() { m_StackCount = 0; }
|
| + void Push(FX_FLOAT value);
|
| + void Push(int value) { Push((FX_FLOAT)value); }
|
| + FX_FLOAT Pop();
|
| + int GetStackSize() { return m_StackCount; }
|
| +
|
| + private:
|
| + FX_FLOAT m_Stack[PSENGINE_STACKSIZE];
|
| + int m_StackCount;
|
| + CPDF_PSProc m_MainProc;
|
| };
|
| -CPDF_PSProc::~CPDF_PSProc()
|
| -{
|
| - int size = m_Operators.GetSize();
|
| - for (int i = 0; i < size; i ++) {
|
| - if (m_Operators[i] == (void*)PSOP_PROC) {
|
| - delete (CPDF_PSProc*)m_Operators[i + 1];
|
| - i ++;
|
| - } else if (m_Operators[i] == (void*)PSOP_CONST) {
|
| - FX_Free((FX_FLOAT*)m_Operators[i + 1]);
|
| - i ++;
|
| - }
|
| - }
|
| +CPDF_PSProc::~CPDF_PSProc() {
|
| + int size = m_Operators.GetSize();
|
| + for (int i = 0; i < size; i++) {
|
| + if (m_Operators[i] == (void*)PSOP_PROC) {
|
| + delete (CPDF_PSProc*)m_Operators[i + 1];
|
| + i++;
|
| + } else if (m_Operators[i] == (void*)PSOP_CONST) {
|
| + FX_Free((FX_FLOAT*)m_Operators[i + 1]);
|
| + i++;
|
| + }
|
| + }
|
| }
|
| -FX_BOOL CPDF_PSProc::Execute(CPDF_PSEngine* pEngine)
|
| -{
|
| - int size = m_Operators.GetSize();
|
| - for (int i = 0; i < size; i ++) {
|
| - PDF_PSOP op = (PDF_PSOP)(uintptr_t)m_Operators[i];
|
| - if (op == PSOP_PROC) {
|
| - i ++;
|
| - } else if (op == PSOP_CONST) {
|
| - pEngine->Push(*(FX_FLOAT*)m_Operators[i + 1]);
|
| - i ++;
|
| - } else if (op == PSOP_IF) {
|
| - if (i < 2 || m_Operators[i - 2] != (void*)PSOP_PROC) {
|
| - return FALSE;
|
| - }
|
| - if ((int)pEngine->Pop()) {
|
| - ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine);
|
| - }
|
| - } else if (op == PSOP_IFELSE) {
|
| - if (i < 4 || m_Operators[i - 2] != (void*)PSOP_PROC ||
|
| - m_Operators[i - 4] != (void*)PSOP_PROC) {
|
| - return FALSE;
|
| - }
|
| - if ((int)pEngine->Pop()) {
|
| - ((CPDF_PSProc*)m_Operators[i - 3])->Execute(pEngine);
|
| - } else {
|
| - ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine);
|
| - }
|
| - } else {
|
| - pEngine->DoOperator(op);
|
| - }
|
| +FX_BOOL CPDF_PSProc::Execute(CPDF_PSEngine* pEngine) {
|
| + int size = m_Operators.GetSize();
|
| + for (int i = 0; i < size; i++) {
|
| + PDF_PSOP op = (PDF_PSOP)(uintptr_t)m_Operators[i];
|
| + if (op == PSOP_PROC) {
|
| + i++;
|
| + } else if (op == PSOP_CONST) {
|
| + pEngine->Push(*(FX_FLOAT*)m_Operators[i + 1]);
|
| + i++;
|
| + } else if (op == PSOP_IF) {
|
| + if (i < 2 || m_Operators[i - 2] != (void*)PSOP_PROC) {
|
| + return FALSE;
|
| + }
|
| + if ((int)pEngine->Pop()) {
|
| + ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine);
|
| + }
|
| + } else if (op == PSOP_IFELSE) {
|
| + if (i < 4 || m_Operators[i - 2] != (void*)PSOP_PROC ||
|
| + m_Operators[i - 4] != (void*)PSOP_PROC) {
|
| + return FALSE;
|
| + }
|
| + if ((int)pEngine->Pop()) {
|
| + ((CPDF_PSProc*)m_Operators[i - 3])->Execute(pEngine);
|
| + } else {
|
| + ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine);
|
| + }
|
| + } else {
|
| + pEngine->DoOperator(op);
|
| }
|
| - return TRUE;
|
| -}
|
| -CPDF_PSEngine::CPDF_PSEngine()
|
| -{
|
| - m_StackCount = 0;
|
| + }
|
| + return TRUE;
|
| }
|
| -CPDF_PSEngine::~CPDF_PSEngine()
|
| -{
|
| +CPDF_PSEngine::CPDF_PSEngine() {
|
| + m_StackCount = 0;
|
| }
|
| -void CPDF_PSEngine::Push(FX_FLOAT v)
|
| -{
|
| - if (m_StackCount == 100) {
|
| - return;
|
| - }
|
| - m_Stack[m_StackCount++] = v;
|
| +CPDF_PSEngine::~CPDF_PSEngine() {}
|
| +void CPDF_PSEngine::Push(FX_FLOAT v) {
|
| + if (m_StackCount == 100) {
|
| + return;
|
| + }
|
| + m_Stack[m_StackCount++] = v;
|
| }
|
| -FX_FLOAT CPDF_PSEngine::Pop()
|
| -{
|
| - if (m_StackCount == 0) {
|
| - return 0;
|
| - }
|
| - return m_Stack[--m_StackCount];
|
| +FX_FLOAT CPDF_PSEngine::Pop() {
|
| + if (m_StackCount == 0) {
|
| + return 0;
|
| + }
|
| + return m_Stack[--m_StackCount];
|
| }
|
| const struct _PDF_PSOpName {
|
| - const FX_CHAR* name;
|
| - PDF_PSOP op;
|
| -} _PDF_PSOpNames[] = {
|
| - {"add", PSOP_ADD}, {"sub", PSOP_SUB}, {"mul", PSOP_MUL}, {"div", PSOP_DIV},
|
| - {"idiv", PSOP_IDIV}, {"mod", PSOP_MOD}, {"neg", PSOP_NEG}, {"abs", PSOP_ABS},
|
| - {"ceiling", PSOP_CEILING}, {"floor", PSOP_FLOOR}, {"round", PSOP_ROUND},
|
| - {"truncate", PSOP_TRUNCATE}, {"sqrt", PSOP_SQRT}, {"sin", PSOP_SIN},
|
| - {"cos", PSOP_COS}, {"atan", PSOP_ATAN}, {"exp", PSOP_EXP}, {"ln", PSOP_LN},
|
| - {"log", PSOP_LOG}, {"cvi", PSOP_CVI}, {"cvr", PSOP_CVR}, {"eq", PSOP_EQ},
|
| - {"ne", PSOP_NE}, {"gt", PSOP_GT}, {"ge", PSOP_GE}, {"lt", PSOP_LT},
|
| - {"le", PSOP_LE}, {"and", PSOP_AND}, {"or", PSOP_OR}, {"xor", PSOP_XOR},
|
| - {"not", PSOP_NOT}, {"bitshift", PSOP_BITSHIFT}, {"true", PSOP_TRUE},
|
| - {"false", PSOP_FALSE}, {"if", PSOP_IF}, {"ifelse", PSOP_IFELSE},
|
| - {"pop", PSOP_POP}, {"exch", PSOP_EXCH}, {"dup", PSOP_DUP},
|
| - {"copy", PSOP_COPY}, {"index", PSOP_INDEX}, {"roll", PSOP_ROLL},
|
| - {NULL, PSOP_PROC}
|
| -};
|
| -FX_BOOL CPDF_PSEngine::Parse(const FX_CHAR* string, int size)
|
| -{
|
| - CPDF_SimpleParser parser((uint8_t*)string, size);
|
| + const FX_CHAR* name;
|
| + PDF_PSOP op;
|
| +} _PDF_PSOpNames[] = {{"add", PSOP_ADD}, {"sub", PSOP_SUB},
|
| + {"mul", PSOP_MUL}, {"div", PSOP_DIV},
|
| + {"idiv", PSOP_IDIV}, {"mod", PSOP_MOD},
|
| + {"neg", PSOP_NEG}, {"abs", PSOP_ABS},
|
| + {"ceiling", PSOP_CEILING}, {"floor", PSOP_FLOOR},
|
| + {"round", PSOP_ROUND}, {"truncate", PSOP_TRUNCATE},
|
| + {"sqrt", PSOP_SQRT}, {"sin", PSOP_SIN},
|
| + {"cos", PSOP_COS}, {"atan", PSOP_ATAN},
|
| + {"exp", PSOP_EXP}, {"ln", PSOP_LN},
|
| + {"log", PSOP_LOG}, {"cvi", PSOP_CVI},
|
| + {"cvr", PSOP_CVR}, {"eq", PSOP_EQ},
|
| + {"ne", PSOP_NE}, {"gt", PSOP_GT},
|
| + {"ge", PSOP_GE}, {"lt", PSOP_LT},
|
| + {"le", PSOP_LE}, {"and", PSOP_AND},
|
| + {"or", PSOP_OR}, {"xor", PSOP_XOR},
|
| + {"not", PSOP_NOT}, {"bitshift", PSOP_BITSHIFT},
|
| + {"true", PSOP_TRUE}, {"false", PSOP_FALSE},
|
| + {"if", PSOP_IF}, {"ifelse", PSOP_IFELSE},
|
| + {"pop", PSOP_POP}, {"exch", PSOP_EXCH},
|
| + {"dup", PSOP_DUP}, {"copy", PSOP_COPY},
|
| + {"index", PSOP_INDEX}, {"roll", PSOP_ROLL},
|
| + {NULL, PSOP_PROC}};
|
| +FX_BOOL CPDF_PSEngine::Parse(const FX_CHAR* string, int size) {
|
| + CPDF_SimpleParser parser((uint8_t*)string, size);
|
| + CFX_ByteStringC word = parser.GetWord();
|
| + if (word != FX_BSTRC("{")) {
|
| + return FALSE;
|
| + }
|
| + return m_MainProc.Parse(parser);
|
| +}
|
| +FX_BOOL CPDF_PSProc::Parse(CPDF_SimpleParser& parser) {
|
| + while (1) {
|
| CFX_ByteStringC word = parser.GetWord();
|
| - if (word != FX_BSTRC("{")) {
|
| - return FALSE;
|
| + if (word.IsEmpty()) {
|
| + return FALSE;
|
| }
|
| - return m_MainProc.Parse(parser);
|
| -}
|
| -FX_BOOL CPDF_PSProc::Parse(CPDF_SimpleParser& parser)
|
| -{
|
| - while (1) {
|
| - CFX_ByteStringC word = parser.GetWord();
|
| - if (word.IsEmpty()) {
|
| - return FALSE;
|
| - }
|
| - if (word == FX_BSTRC("}")) {
|
| - return TRUE;
|
| - }
|
| - if (word == FX_BSTRC("{")) {
|
| - CPDF_PSProc* pProc = new CPDF_PSProc;
|
| - m_Operators.Add((void*)PSOP_PROC);
|
| - m_Operators.Add(pProc);
|
| - if (!pProc->Parse(parser)) {
|
| - return FALSE;
|
| - }
|
| - } else {
|
| - int i = 0;
|
| - while (_PDF_PSOpNames[i].name) {
|
| - if (word == CFX_ByteStringC(_PDF_PSOpNames[i].name)) {
|
| - m_Operators.Add((void*)_PDF_PSOpNames[i].op);
|
| - break;
|
| - }
|
| - i ++;
|
| - }
|
| - if (_PDF_PSOpNames[i].name == NULL) {
|
| - FX_FLOAT* pd = FX_Alloc(FX_FLOAT, 1);
|
| - *pd = FX_atof(word);
|
| - m_Operators.Add((void*)PSOP_CONST);
|
| - m_Operators.Add(pd);
|
| - }
|
| - }
|
| + if (word == FX_BSTRC("}")) {
|
| + return TRUE;
|
| }
|
| + if (word == FX_BSTRC("{")) {
|
| + CPDF_PSProc* pProc = new CPDF_PSProc;
|
| + m_Operators.Add((void*)PSOP_PROC);
|
| + m_Operators.Add(pProc);
|
| + if (!pProc->Parse(parser)) {
|
| + return FALSE;
|
| + }
|
| + } else {
|
| + int i = 0;
|
| + while (_PDF_PSOpNames[i].name) {
|
| + if (word == CFX_ByteStringC(_PDF_PSOpNames[i].name)) {
|
| + m_Operators.Add((void*)_PDF_PSOpNames[i].op);
|
| + break;
|
| + }
|
| + i++;
|
| + }
|
| + if (_PDF_PSOpNames[i].name == NULL) {
|
| + FX_FLOAT* pd = FX_Alloc(FX_FLOAT, 1);
|
| + *pd = FX_atof(word);
|
| + m_Operators.Add((void*)PSOP_CONST);
|
| + m_Operators.Add(pd);
|
| + }
|
| + }
|
| + }
|
| }
|
| #define PI 3.1415926535897932384626433832795f
|
| -FX_BOOL CPDF_PSEngine::DoOperator(PDF_PSOP op)
|
| -{
|
| - int i1, i2;
|
| - FX_FLOAT d1, d2;
|
| - switch (op) {
|
| - case PSOP_ADD:
|
| - d1 = Pop();
|
| - d2 = Pop();
|
| - Push(d1 + d2);
|
| - break;
|
| - case PSOP_SUB:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push(d1 - d2);
|
| - break;
|
| - case PSOP_MUL:
|
| - d1 = Pop();
|
| - d2 = Pop();
|
| - Push(d1 * d2);
|
| - break;
|
| - case PSOP_DIV:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push(d1 / d2);
|
| - break;
|
| - case PSOP_IDIV:
|
| - i2 = (int)Pop();
|
| - i1 = (int)Pop();
|
| - Push(i1 / i2);
|
| - break;
|
| - case PSOP_MOD:
|
| - i2 = (int)Pop();
|
| - i1 = (int)Pop();
|
| - Push(i1 % i2);
|
| - break;
|
| - case PSOP_NEG:
|
| - d1 = Pop();
|
| - Push(-d1);
|
| - break;
|
| - case PSOP_ABS:
|
| - d1 = Pop();
|
| - Push((FX_FLOAT)FXSYS_fabs(d1));
|
| - break;
|
| - case PSOP_CEILING:
|
| - d1 = Pop();
|
| - Push((FX_FLOAT)FXSYS_ceil(d1));
|
| - break;
|
| - case PSOP_FLOOR:
|
| - d1 = Pop();
|
| - Push((FX_FLOAT)FXSYS_floor(d1));
|
| - break;
|
| - case PSOP_ROUND:
|
| - d1 = Pop();
|
| - Push(FXSYS_round(d1));
|
| - break;
|
| - case PSOP_TRUNCATE:
|
| - i1 = (int)Pop();
|
| - Push(i1);
|
| - break;
|
| - case PSOP_SQRT:
|
| - d1 = Pop();
|
| - Push((FX_FLOAT)FXSYS_sqrt(d1));
|
| - break;
|
| - case PSOP_SIN:
|
| - d1 = Pop();
|
| - Push((FX_FLOAT)FXSYS_sin(d1 * PI / 180.0f));
|
| - break;
|
| - case PSOP_COS:
|
| - d1 = Pop();
|
| - Push((FX_FLOAT)FXSYS_cos(d1 * PI / 180.0f));
|
| - break;
|
| - case PSOP_ATAN:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - d1 = (FX_FLOAT)(FXSYS_atan2(d1, d2) * 180.0 / PI);
|
| - if (d1 < 0) {
|
| - d1 += 360;
|
| - }
|
| - Push(d1);
|
| - break;
|
| - case PSOP_EXP:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push((FX_FLOAT)FXSYS_pow(d1, d2));
|
| - break;
|
| - case PSOP_LN:
|
| - d1 = Pop();
|
| - Push((FX_FLOAT)FXSYS_log(d1));
|
| - break;
|
| - case PSOP_LOG:
|
| - d1 = Pop();
|
| - Push((FX_FLOAT)FXSYS_log10(d1));
|
| - break;
|
| - case PSOP_CVI:
|
| - i1 = (int)Pop();
|
| - Push(i1);
|
| - break;
|
| - case PSOP_CVR:
|
| - break;
|
| - case PSOP_EQ:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push((int)(d1 == d2));
|
| - break;
|
| - case PSOP_NE:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push((int)(d1 != d2));
|
| - break;
|
| - case PSOP_GT:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push((int)(d1 > d2));
|
| - break;
|
| - case PSOP_GE:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push((int)(d1 >= d2));
|
| - break;
|
| - case PSOP_LT:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push((int)(d1 < d2));
|
| - break;
|
| - case PSOP_LE:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push((int)(d1 <= d2));
|
| - break;
|
| - case PSOP_AND:
|
| - i1 = (int)Pop();
|
| - i2 = (int)Pop();
|
| - Push(i1 & i2);
|
| - break;
|
| - case PSOP_OR:
|
| - i1 = (int)Pop();
|
| - i2 = (int)Pop();
|
| - Push(i1 | i2);
|
| - break;
|
| - case PSOP_XOR:
|
| - i1 = (int)Pop();
|
| - i2 = (int)Pop();
|
| - Push(i1 ^ i2);
|
| - break;
|
| - case PSOP_NOT:
|
| - i1 = (int)Pop();
|
| - Push((int)!i1);
|
| - break;
|
| - case PSOP_BITSHIFT: {
|
| - int shift = (int)Pop();
|
| - int i = (int)Pop();
|
| - if (shift > 0) {
|
| - Push(i << shift);
|
| - } else {
|
| - Push(i >> -shift);
|
| - }
|
| - break;
|
| - }
|
| - case PSOP_TRUE:
|
| - Push(1);
|
| - break;
|
| - case PSOP_FALSE:
|
| - Push(0);
|
| - break;
|
| - case PSOP_POP:
|
| - Pop();
|
| - break;
|
| - case PSOP_EXCH:
|
| - d2 = Pop();
|
| - d1 = Pop();
|
| - Push(d2);
|
| - Push(d1);
|
| - break;
|
| - case PSOP_DUP:
|
| - d1 = Pop();
|
| - Push(d1);
|
| - Push(d1);
|
| - break;
|
| - case PSOP_COPY: {
|
| - int n = (int)Pop();
|
| - if (n < 0 || n > PSENGINE_STACKSIZE || m_StackCount + n > PSENGINE_STACKSIZE || n > m_StackCount) {
|
| - break;
|
| - }
|
| - for (int i = 0; i < n; i ++) {
|
| - m_Stack[m_StackCount + i] = m_Stack[m_StackCount + i - n];
|
| - }
|
| - m_StackCount += n;
|
| - break;
|
| - }
|
| - case PSOP_INDEX: {
|
| - int n = (int)Pop();
|
| - if (n < 0 || n >= m_StackCount) {
|
| - break;
|
| - }
|
| - Push(m_Stack[m_StackCount - n - 1]);
|
| - break;
|
| - }
|
| - case PSOP_ROLL: {
|
| - int j = (int)Pop();
|
| - int n = (int)Pop();
|
| - if (m_StackCount == 0) {
|
| - break;
|
| - }
|
| - if (n < 0 || n > m_StackCount) {
|
| - break;
|
| - }
|
| - if (j < 0)
|
| - for (int i = 0; i < -j; i ++) {
|
| - FX_FLOAT first = m_Stack[m_StackCount - n];
|
| - for (int ii = 0; ii < n - 1; ii ++) {
|
| - m_Stack[m_StackCount - n + ii] = m_Stack[m_StackCount - n + ii + 1];
|
| - }
|
| - m_Stack[m_StackCount - 1] = first;
|
| - }
|
| - else
|
| - for (int i = 0; i < j; i ++) {
|
| - FX_FLOAT last = m_Stack[m_StackCount - 1];
|
| - int ii;
|
| - for (ii = 0; ii < n - 1; ii ++) {
|
| - m_Stack[m_StackCount - ii - 1] = m_Stack[m_StackCount - ii - 2];
|
| - }
|
| - m_Stack[m_StackCount - ii - 1] = last;
|
| - }
|
| - break;
|
| - }
|
| - default:
|
| - break;
|
| +FX_BOOL CPDF_PSEngine::DoOperator(PDF_PSOP op) {
|
| + int i1, i2;
|
| + FX_FLOAT d1, d2;
|
| + switch (op) {
|
| + case PSOP_ADD:
|
| + d1 = Pop();
|
| + d2 = Pop();
|
| + Push(d1 + d2);
|
| + break;
|
| + case PSOP_SUB:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push(d1 - d2);
|
| + break;
|
| + case PSOP_MUL:
|
| + d1 = Pop();
|
| + d2 = Pop();
|
| + Push(d1 * d2);
|
| + break;
|
| + case PSOP_DIV:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push(d1 / d2);
|
| + break;
|
| + case PSOP_IDIV:
|
| + i2 = (int)Pop();
|
| + i1 = (int)Pop();
|
| + Push(i1 / i2);
|
| + break;
|
| + case PSOP_MOD:
|
| + i2 = (int)Pop();
|
| + i1 = (int)Pop();
|
| + Push(i1 % i2);
|
| + break;
|
| + case PSOP_NEG:
|
| + d1 = Pop();
|
| + Push(-d1);
|
| + break;
|
| + case PSOP_ABS:
|
| + d1 = Pop();
|
| + Push((FX_FLOAT)FXSYS_fabs(d1));
|
| + break;
|
| + case PSOP_CEILING:
|
| + d1 = Pop();
|
| + Push((FX_FLOAT)FXSYS_ceil(d1));
|
| + break;
|
| + case PSOP_FLOOR:
|
| + d1 = Pop();
|
| + Push((FX_FLOAT)FXSYS_floor(d1));
|
| + break;
|
| + case PSOP_ROUND:
|
| + d1 = Pop();
|
| + Push(FXSYS_round(d1));
|
| + break;
|
| + case PSOP_TRUNCATE:
|
| + i1 = (int)Pop();
|
| + Push(i1);
|
| + break;
|
| + case PSOP_SQRT:
|
| + d1 = Pop();
|
| + Push((FX_FLOAT)FXSYS_sqrt(d1));
|
| + break;
|
| + case PSOP_SIN:
|
| + d1 = Pop();
|
| + Push((FX_FLOAT)FXSYS_sin(d1 * PI / 180.0f));
|
| + break;
|
| + case PSOP_COS:
|
| + d1 = Pop();
|
| + Push((FX_FLOAT)FXSYS_cos(d1 * PI / 180.0f));
|
| + break;
|
| + case PSOP_ATAN:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + d1 = (FX_FLOAT)(FXSYS_atan2(d1, d2) * 180.0 / PI);
|
| + if (d1 < 0) {
|
| + d1 += 360;
|
| + }
|
| + Push(d1);
|
| + break;
|
| + case PSOP_EXP:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push((FX_FLOAT)FXSYS_pow(d1, d2));
|
| + break;
|
| + case PSOP_LN:
|
| + d1 = Pop();
|
| + Push((FX_FLOAT)FXSYS_log(d1));
|
| + break;
|
| + case PSOP_LOG:
|
| + d1 = Pop();
|
| + Push((FX_FLOAT)FXSYS_log10(d1));
|
| + break;
|
| + case PSOP_CVI:
|
| + i1 = (int)Pop();
|
| + Push(i1);
|
| + break;
|
| + case PSOP_CVR:
|
| + break;
|
| + case PSOP_EQ:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push((int)(d1 == d2));
|
| + break;
|
| + case PSOP_NE:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push((int)(d1 != d2));
|
| + break;
|
| + case PSOP_GT:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push((int)(d1 > d2));
|
| + break;
|
| + case PSOP_GE:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push((int)(d1 >= d2));
|
| + break;
|
| + case PSOP_LT:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push((int)(d1 < d2));
|
| + break;
|
| + case PSOP_LE:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push((int)(d1 <= d2));
|
| + break;
|
| + case PSOP_AND:
|
| + i1 = (int)Pop();
|
| + i2 = (int)Pop();
|
| + Push(i1 & i2);
|
| + break;
|
| + case PSOP_OR:
|
| + i1 = (int)Pop();
|
| + i2 = (int)Pop();
|
| + Push(i1 | i2);
|
| + break;
|
| + case PSOP_XOR:
|
| + i1 = (int)Pop();
|
| + i2 = (int)Pop();
|
| + Push(i1 ^ i2);
|
| + break;
|
| + case PSOP_NOT:
|
| + i1 = (int)Pop();
|
| + Push((int)!i1);
|
| + break;
|
| + case PSOP_BITSHIFT: {
|
| + int shift = (int)Pop();
|
| + int i = (int)Pop();
|
| + if (shift > 0) {
|
| + Push(i << shift);
|
| + } else {
|
| + Push(i >> -shift);
|
| + }
|
| + break;
|
| + }
|
| + case PSOP_TRUE:
|
| + Push(1);
|
| + break;
|
| + case PSOP_FALSE:
|
| + Push(0);
|
| + break;
|
| + case PSOP_POP:
|
| + Pop();
|
| + break;
|
| + case PSOP_EXCH:
|
| + d2 = Pop();
|
| + d1 = Pop();
|
| + Push(d2);
|
| + Push(d1);
|
| + break;
|
| + case PSOP_DUP:
|
| + d1 = Pop();
|
| + Push(d1);
|
| + Push(d1);
|
| + break;
|
| + case PSOP_COPY: {
|
| + int n = (int)Pop();
|
| + if (n < 0 || n > PSENGINE_STACKSIZE ||
|
| + m_StackCount + n > PSENGINE_STACKSIZE || n > m_StackCount) {
|
| + break;
|
| + }
|
| + for (int i = 0; i < n; i++) {
|
| + m_Stack[m_StackCount + i] = m_Stack[m_StackCount + i - n];
|
| + }
|
| + m_StackCount += n;
|
| + break;
|
| + }
|
| + case PSOP_INDEX: {
|
| + int n = (int)Pop();
|
| + if (n < 0 || n >= m_StackCount) {
|
| + break;
|
| + }
|
| + Push(m_Stack[m_StackCount - n - 1]);
|
| + break;
|
| + }
|
| + case PSOP_ROLL: {
|
| + int j = (int)Pop();
|
| + int n = (int)Pop();
|
| + if (m_StackCount == 0) {
|
| + break;
|
| + }
|
| + if (n < 0 || n > m_StackCount) {
|
| + break;
|
| + }
|
| + if (j < 0)
|
| + for (int i = 0; i < -j; i++) {
|
| + FX_FLOAT first = m_Stack[m_StackCount - n];
|
| + for (int ii = 0; ii < n - 1; ii++) {
|
| + m_Stack[m_StackCount - n + ii] = m_Stack[m_StackCount - n + ii + 1];
|
| + }
|
| + m_Stack[m_StackCount - 1] = first;
|
| + }
|
| + else
|
| + for (int i = 0; i < j; i++) {
|
| + FX_FLOAT last = m_Stack[m_StackCount - 1];
|
| + int ii;
|
| + for (ii = 0; ii < n - 1; ii++) {
|
| + m_Stack[m_StackCount - ii - 1] = m_Stack[m_StackCount - ii - 2];
|
| + }
|
| + m_Stack[m_StackCount - ii - 1] = last;
|
| + }
|
| + break;
|
| }
|
| - return TRUE;
|
| + default:
|
| + break;
|
| + }
|
| + return TRUE;
|
| }
|
| -static FX_FLOAT PDF_Interpolate(FX_FLOAT x, FX_FLOAT xmin, FX_FLOAT xmax, FX_FLOAT ymin, FX_FLOAT ymax)
|
| -{
|
| - return ((x - xmin) * (ymax - ymin) / (xmax - xmin)) + ymin;
|
| +static FX_FLOAT PDF_Interpolate(FX_FLOAT x,
|
| + FX_FLOAT xmin,
|
| + FX_FLOAT xmax,
|
| + FX_FLOAT ymin,
|
| + FX_FLOAT ymax) {
|
| + return ((x - xmin) * (ymax - ymin) / (xmax - xmin)) + ymin;
|
| }
|
| -static FX_DWORD _GetBits32(const uint8_t* pData, int bitpos, int nbits)
|
| -{
|
| - int result = 0;
|
| - for (int i = 0; i < nbits; i ++)
|
| - if (pData[(bitpos + i) / 8] & (1 << (7 - (bitpos + i) % 8))) {
|
| - result |= 1 << (nbits - i - 1);
|
| - }
|
| - return result;
|
| +static FX_DWORD _GetBits32(const uint8_t* pData, int bitpos, int nbits) {
|
| + int result = 0;
|
| + for (int i = 0; i < nbits; i++)
|
| + if (pData[(bitpos + i) / 8] & (1 << (7 - (bitpos + i) % 8))) {
|
| + result |= 1 << (nbits - i - 1);
|
| + }
|
| + return result;
|
| }
|
| typedef struct {
|
| - FX_FLOAT encode_max, encode_min;
|
| - int sizes;
|
| + FX_FLOAT encode_max, encode_min;
|
| + int sizes;
|
| } SampleEncodeInfo;
|
| -typedef struct {
|
| - FX_FLOAT decode_max, decode_min;
|
| -} SampleDecodeInfo;
|
| -class CPDF_SampledFunc : public CPDF_Function
|
| -{
|
| -public:
|
| - CPDF_SampledFunc();
|
| - virtual ~CPDF_SampledFunc();
|
| - virtual FX_BOOL v_Init(CPDF_Object* pObj);
|
| - virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
|
| - SampleEncodeInfo* m_pEncodeInfo;
|
| - SampleDecodeInfo* m_pDecodeInfo;
|
| - FX_DWORD m_nBitsPerSample;
|
| - FX_DWORD m_SampleMax;
|
| - CPDF_StreamAcc* m_pSampleStream;
|
| +typedef struct { FX_FLOAT decode_max, decode_min; } SampleDecodeInfo;
|
| +class CPDF_SampledFunc : public CPDF_Function {
|
| + public:
|
| + CPDF_SampledFunc();
|
| + virtual ~CPDF_SampledFunc();
|
| + virtual FX_BOOL v_Init(CPDF_Object* pObj);
|
| + virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
|
| + SampleEncodeInfo* m_pEncodeInfo;
|
| + SampleDecodeInfo* m_pDecodeInfo;
|
| + FX_DWORD m_nBitsPerSample;
|
| + FX_DWORD m_SampleMax;
|
| + CPDF_StreamAcc* m_pSampleStream;
|
| };
|
| -CPDF_SampledFunc::CPDF_SampledFunc()
|
| -{
|
| - m_pSampleStream = NULL;
|
| - m_pEncodeInfo = NULL;
|
| - m_pDecodeInfo = NULL;
|
| +CPDF_SampledFunc::CPDF_SampledFunc() {
|
| + m_pSampleStream = NULL;
|
| + m_pEncodeInfo = NULL;
|
| + m_pDecodeInfo = NULL;
|
| }
|
| -CPDF_SampledFunc::~CPDF_SampledFunc()
|
| -{
|
| - delete m_pSampleStream;
|
| - if (m_pEncodeInfo) {
|
| - FX_Free(m_pEncodeInfo);
|
| - }
|
| - if (m_pDecodeInfo) {
|
| - FX_Free(m_pDecodeInfo);
|
| - }
|
| +CPDF_SampledFunc::~CPDF_SampledFunc() {
|
| + delete m_pSampleStream;
|
| + if (m_pEncodeInfo) {
|
| + FX_Free(m_pEncodeInfo);
|
| + }
|
| + if (m_pDecodeInfo) {
|
| + FX_Free(m_pDecodeInfo);
|
| + }
|
| }
|
| -FX_BOOL CPDF_SampledFunc::v_Init(CPDF_Object* pObj)
|
| -{
|
| - if (pObj->GetType() != PDFOBJ_STREAM) {
|
| - return FALSE;
|
| - }
|
| - CPDF_Stream* pStream = (CPDF_Stream*)pObj;
|
| - CPDF_Dictionary* pDict = pStream->GetDict();
|
| - CPDF_Array* pSize = pDict->GetArray(FX_BSTRC("Size"));
|
| - CPDF_Array* pEncode = pDict->GetArray(FX_BSTRC("Encode"));
|
| - CPDF_Array* pDecode = pDict->GetArray(FX_BSTRC("Decode"));
|
| - m_nBitsPerSample = pDict->GetInteger(FX_BSTRC("BitsPerSample"));
|
| - if (m_nBitsPerSample > 32) {
|
| - return FALSE;
|
| - }
|
| - m_SampleMax = 0xffffffff >> (32 - m_nBitsPerSample);
|
| - m_pSampleStream = new CPDF_StreamAcc;
|
| - m_pSampleStream->LoadAllData(pStream, FALSE);
|
| - m_pEncodeInfo = FX_Alloc(SampleEncodeInfo, m_nInputs);
|
| - FX_SAFE_DWORD nTotalSampleBits = 1;
|
| - for (int i = 0; i < m_nInputs; i ++) {
|
| - m_pEncodeInfo[i].sizes = pSize ? pSize->GetInteger(i) : 0;
|
| - if (!pSize && i == 0) {
|
| - m_pEncodeInfo[i].sizes = pDict->GetInteger(FX_BSTRC("Size"));
|
| - }
|
| - nTotalSampleBits *= m_pEncodeInfo[i].sizes;
|
| - if (pEncode) {
|
| - m_pEncodeInfo[i].encode_min = pEncode->GetFloat(i * 2);
|
| - m_pEncodeInfo[i].encode_max = pEncode->GetFloat(i * 2 + 1);
|
| - } else {
|
| - m_pEncodeInfo[i].encode_min = 0;
|
| - if (m_pEncodeInfo[i].sizes == 1) {
|
| - m_pEncodeInfo[i].encode_max = 1;
|
| - } else {
|
| - m_pEncodeInfo[i].encode_max = (FX_FLOAT)m_pEncodeInfo[i].sizes - 1;
|
| - }
|
| - }
|
| - }
|
| - nTotalSampleBits *= m_nBitsPerSample;
|
| - nTotalSampleBits *= m_nOutputs;
|
| - FX_SAFE_DWORD nTotalSampleBytes = nTotalSampleBits;
|
| - nTotalSampleBytes += 7;
|
| - nTotalSampleBytes /= 8;
|
| - if (!nTotalSampleBytes.IsValid() ||
|
| - nTotalSampleBytes.ValueOrDie() == 0 ||
|
| - nTotalSampleBytes.ValueOrDie() > m_pSampleStream->GetSize()) {
|
| - return FALSE;
|
| - }
|
| - m_pDecodeInfo = FX_Alloc(SampleDecodeInfo, m_nOutputs);
|
| - for (int i = 0; i < m_nOutputs; i ++) {
|
| - if (pDecode) {
|
| - m_pDecodeInfo[i].decode_min = pDecode->GetFloat(2 * i);
|
| - m_pDecodeInfo[i].decode_max = pDecode->GetFloat(2 * i + 1);
|
| - } else {
|
| - m_pDecodeInfo[i].decode_min = m_pRanges[i * 2];
|
| - m_pDecodeInfo[i].decode_max = m_pRanges[i * 2 + 1];
|
| - }
|
| +FX_BOOL CPDF_SampledFunc::v_Init(CPDF_Object* pObj) {
|
| + if (pObj->GetType() != PDFOBJ_STREAM) {
|
| + return FALSE;
|
| + }
|
| + CPDF_Stream* pStream = (CPDF_Stream*)pObj;
|
| + CPDF_Dictionary* pDict = pStream->GetDict();
|
| + CPDF_Array* pSize = pDict->GetArray(FX_BSTRC("Size"));
|
| + CPDF_Array* pEncode = pDict->GetArray(FX_BSTRC("Encode"));
|
| + CPDF_Array* pDecode = pDict->GetArray(FX_BSTRC("Decode"));
|
| + m_nBitsPerSample = pDict->GetInteger(FX_BSTRC("BitsPerSample"));
|
| + if (m_nBitsPerSample > 32) {
|
| + return FALSE;
|
| + }
|
| + m_SampleMax = 0xffffffff >> (32 - m_nBitsPerSample);
|
| + m_pSampleStream = new CPDF_StreamAcc;
|
| + m_pSampleStream->LoadAllData(pStream, FALSE);
|
| + m_pEncodeInfo = FX_Alloc(SampleEncodeInfo, m_nInputs);
|
| + FX_SAFE_DWORD nTotalSampleBits = 1;
|
| + for (int i = 0; i < m_nInputs; i++) {
|
| + m_pEncodeInfo[i].sizes = pSize ? pSize->GetInteger(i) : 0;
|
| + if (!pSize && i == 0) {
|
| + m_pEncodeInfo[i].sizes = pDict->GetInteger(FX_BSTRC("Size"));
|
| + }
|
| + nTotalSampleBits *= m_pEncodeInfo[i].sizes;
|
| + if (pEncode) {
|
| + m_pEncodeInfo[i].encode_min = pEncode->GetFloat(i * 2);
|
| + m_pEncodeInfo[i].encode_max = pEncode->GetFloat(i * 2 + 1);
|
| + } else {
|
| + m_pEncodeInfo[i].encode_min = 0;
|
| + if (m_pEncodeInfo[i].sizes == 1) {
|
| + m_pEncodeInfo[i].encode_max = 1;
|
| + } else {
|
| + m_pEncodeInfo[i].encode_max = (FX_FLOAT)m_pEncodeInfo[i].sizes - 1;
|
| + }
|
| + }
|
| + }
|
| + nTotalSampleBits *= m_nBitsPerSample;
|
| + nTotalSampleBits *= m_nOutputs;
|
| + FX_SAFE_DWORD nTotalSampleBytes = nTotalSampleBits;
|
| + nTotalSampleBytes += 7;
|
| + nTotalSampleBytes /= 8;
|
| + if (!nTotalSampleBytes.IsValid() || nTotalSampleBytes.ValueOrDie() == 0 ||
|
| + nTotalSampleBytes.ValueOrDie() > m_pSampleStream->GetSize()) {
|
| + return FALSE;
|
| + }
|
| + m_pDecodeInfo = FX_Alloc(SampleDecodeInfo, m_nOutputs);
|
| + for (int i = 0; i < m_nOutputs; i++) {
|
| + if (pDecode) {
|
| + m_pDecodeInfo[i].decode_min = pDecode->GetFloat(2 * i);
|
| + m_pDecodeInfo[i].decode_max = pDecode->GetFloat(2 * i + 1);
|
| + } else {
|
| + m_pDecodeInfo[i].decode_min = m_pRanges[i * 2];
|
| + m_pDecodeInfo[i].decode_max = m_pRanges[i * 2 + 1];
|
| }
|
| - return TRUE;
|
| + }
|
| + return TRUE;
|
| }
|
| -FX_BOOL CPDF_SampledFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const
|
| -{
|
| - int pos = 0;
|
| - CFX_FixedBufGrow<FX_FLOAT, 16> encoded_input_buf(m_nInputs);
|
| - FX_FLOAT* encoded_input = encoded_input_buf;
|
| - CFX_FixedBufGrow<int, 32> int_buf(m_nInputs * 2);
|
| - int* index = int_buf;
|
| - int* blocksize = index + m_nInputs;
|
| - for (int i = 0; i < m_nInputs; i ++) {
|
| - if (i == 0) {
|
| - blocksize[i] = 1;
|
| - } else {
|
| - blocksize[i] = blocksize[i - 1] * m_pEncodeInfo[i - 1].sizes;
|
| - }
|
| - encoded_input[i] = PDF_Interpolate(inputs[i], m_pDomains[i * 2], m_pDomains[i * 2 + 1],
|
| - m_pEncodeInfo[i].encode_min, m_pEncodeInfo[i].encode_max);
|
| - index[i] = (int)encoded_input[i];
|
| - if (index[i] < 0) {
|
| - index[i] = 0;
|
| - } else if (index[i] > m_pEncodeInfo[i].sizes - 1) {
|
| - index[i] = m_pEncodeInfo[i].sizes - 1;
|
| +FX_BOOL CPDF_SampledFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const {
|
| + int pos = 0;
|
| + CFX_FixedBufGrow<FX_FLOAT, 16> encoded_input_buf(m_nInputs);
|
| + FX_FLOAT* encoded_input = encoded_input_buf;
|
| + CFX_FixedBufGrow<int, 32> int_buf(m_nInputs * 2);
|
| + int* index = int_buf;
|
| + int* blocksize = index + m_nInputs;
|
| + for (int i = 0; i < m_nInputs; i++) {
|
| + if (i == 0) {
|
| + blocksize[i] = 1;
|
| + } else {
|
| + blocksize[i] = blocksize[i - 1] * m_pEncodeInfo[i - 1].sizes;
|
| + }
|
| + encoded_input[i] = PDF_Interpolate(
|
| + inputs[i], m_pDomains[i * 2], m_pDomains[i * 2 + 1],
|
| + m_pEncodeInfo[i].encode_min, m_pEncodeInfo[i].encode_max);
|
| + index[i] = (int)encoded_input[i];
|
| + if (index[i] < 0) {
|
| + index[i] = 0;
|
| + } else if (index[i] > m_pEncodeInfo[i].sizes - 1) {
|
| + index[i] = m_pEncodeInfo[i].sizes - 1;
|
| + }
|
| + pos += index[i] * blocksize[i];
|
| + }
|
| + FX_SAFE_INT32 bits_to_output = m_nOutputs;
|
| + bits_to_output *= m_nBitsPerSample;
|
| + if (!bits_to_output.IsValid()) {
|
| + return FALSE;
|
| + }
|
| + FX_SAFE_INT32 bitpos = pos;
|
| + bitpos *= bits_to_output.ValueOrDie();
|
| + if (!bitpos.IsValid()) {
|
| + return FALSE;
|
| + }
|
| + FX_SAFE_INT32 range_check = bitpos;
|
| + range_check += bits_to_output.ValueOrDie();
|
| + if (!range_check.IsValid()) {
|
| + return FALSE;
|
| + }
|
| + const uint8_t* pSampleData = m_pSampleStream->GetData();
|
| + if (!pSampleData) {
|
| + return FALSE;
|
| + }
|
| + for (int j = 0; j < m_nOutputs; j++) {
|
| + FX_DWORD sample =
|
| + _GetBits32(pSampleData, bitpos.ValueOrDie() + j * m_nBitsPerSample,
|
| + m_nBitsPerSample);
|
| + FX_FLOAT encoded = (FX_FLOAT)sample;
|
| + for (int i = 0; i < m_nInputs; i++) {
|
| + if (index[i] == m_pEncodeInfo[i].sizes - 1) {
|
| + if (index[i] == 0) {
|
| + encoded = encoded_input[i] * (FX_FLOAT)sample;
|
| }
|
| - pos += index[i] * blocksize[i];
|
| - }
|
| - FX_SAFE_INT32 bits_to_output = m_nOutputs;
|
| - bits_to_output *= m_nBitsPerSample;
|
| - if (!bits_to_output.IsValid()) {
|
| - return FALSE;
|
| - }
|
| - FX_SAFE_INT32 bitpos = pos;
|
| - bitpos *= bits_to_output.ValueOrDie();
|
| - if (!bitpos.IsValid()) {
|
| - return FALSE;
|
| - }
|
| - FX_SAFE_INT32 range_check = bitpos;
|
| - range_check += bits_to_output.ValueOrDie();
|
| - if (!range_check.IsValid()) {
|
| - return FALSE;
|
| - }
|
| - const uint8_t* pSampleData = m_pSampleStream->GetData();
|
| - if (!pSampleData) {
|
| - return FALSE;
|
| - }
|
| - for (int j = 0; j < m_nOutputs; j ++) {
|
| - FX_DWORD sample = _GetBits32(pSampleData, bitpos.ValueOrDie() + j * m_nBitsPerSample, m_nBitsPerSample);
|
| - FX_FLOAT encoded = (FX_FLOAT)sample;
|
| - for (int i = 0; i < m_nInputs; i ++) {
|
| - if (index[i] == m_pEncodeInfo[i].sizes - 1) {
|
| - if (index[i] == 0) {
|
| - encoded = encoded_input[i] * (FX_FLOAT)sample;
|
| - }
|
| - } else {
|
| - FX_SAFE_INT32 bitpos2 = blocksize[i];
|
| - bitpos2 += pos;
|
| - bitpos2 *= m_nOutputs;
|
| - bitpos2 += j;
|
| - bitpos2 *= m_nBitsPerSample;
|
| - if (!bitpos2.IsValid()) {
|
| - return FALSE;
|
| - }
|
| - FX_DWORD sample1 = _GetBits32(pSampleData, bitpos2.ValueOrDie(), m_nBitsPerSample);
|
| - encoded += (encoded_input[i] - index[i]) * ((FX_FLOAT)sample1 - (FX_FLOAT)sample);
|
| - }
|
| + } else {
|
| + FX_SAFE_INT32 bitpos2 = blocksize[i];
|
| + bitpos2 += pos;
|
| + bitpos2 *= m_nOutputs;
|
| + bitpos2 += j;
|
| + bitpos2 *= m_nBitsPerSample;
|
| + if (!bitpos2.IsValid()) {
|
| + return FALSE;
|
| }
|
| - results[j] = PDF_Interpolate(encoded, 0, (FX_FLOAT)m_SampleMax,
|
| - m_pDecodeInfo[j].decode_min, m_pDecodeInfo[j].decode_max);
|
| - }
|
| - return TRUE;
|
| + FX_DWORD sample1 =
|
| + _GetBits32(pSampleData, bitpos2.ValueOrDie(), m_nBitsPerSample);
|
| + encoded += (encoded_input[i] - index[i]) *
|
| + ((FX_FLOAT)sample1 - (FX_FLOAT)sample);
|
| + }
|
| + }
|
| + results[j] = PDF_Interpolate(encoded, 0, (FX_FLOAT)m_SampleMax,
|
| + m_pDecodeInfo[j].decode_min,
|
| + m_pDecodeInfo[j].decode_max);
|
| + }
|
| + return TRUE;
|
| }
|
| -class CPDF_PSFunc : public CPDF_Function
|
| -{
|
| -public:
|
| - virtual FX_BOOL v_Init(CPDF_Object* pObj);
|
| - virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
|
| - CPDF_PSEngine m_PS;
|
| +class CPDF_PSFunc : public CPDF_Function {
|
| + public:
|
| + virtual FX_BOOL v_Init(CPDF_Object* pObj);
|
| + virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
|
| + CPDF_PSEngine m_PS;
|
| };
|
| -FX_BOOL CPDF_PSFunc::v_Init(CPDF_Object* pObj)
|
| -{
|
| - CPDF_Stream* pStream = (CPDF_Stream*)pObj;
|
| - CPDF_StreamAcc acc;
|
| - acc.LoadAllData(pStream, FALSE);
|
| - return m_PS.Parse((const FX_CHAR*)acc.GetData(), acc.GetSize());
|
| +FX_BOOL CPDF_PSFunc::v_Init(CPDF_Object* pObj) {
|
| + CPDF_Stream* pStream = (CPDF_Stream*)pObj;
|
| + CPDF_StreamAcc acc;
|
| + acc.LoadAllData(pStream, FALSE);
|
| + return m_PS.Parse((const FX_CHAR*)acc.GetData(), acc.GetSize());
|
| }
|
| -FX_BOOL CPDF_PSFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const
|
| -{
|
| - CPDF_PSEngine& PS = (CPDF_PSEngine&)m_PS;
|
| - PS.Reset();
|
| - int i;
|
| - for (i = 0; i < m_nInputs; i ++) {
|
| - PS.Push(inputs[i]);
|
| - }
|
| - PS.Execute();
|
| - if (PS.GetStackSize() < m_nOutputs) {
|
| - return FALSE;
|
| - }
|
| - for (i = 0; i < m_nOutputs; i ++) {
|
| - results[m_nOutputs - i - 1] = PS.Pop();
|
| - }
|
| - return TRUE;
|
| +FX_BOOL CPDF_PSFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const {
|
| + CPDF_PSEngine& PS = (CPDF_PSEngine&)m_PS;
|
| + PS.Reset();
|
| + int i;
|
| + for (i = 0; i < m_nInputs; i++) {
|
| + PS.Push(inputs[i]);
|
| + }
|
| + PS.Execute();
|
| + if (PS.GetStackSize() < m_nOutputs) {
|
| + return FALSE;
|
| + }
|
| + for (i = 0; i < m_nOutputs; i++) {
|
| + results[m_nOutputs - i - 1] = PS.Pop();
|
| + }
|
| + return TRUE;
|
| }
|
| -class CPDF_ExpIntFunc : public CPDF_Function
|
| -{
|
| -public:
|
| - CPDF_ExpIntFunc();
|
| - virtual ~CPDF_ExpIntFunc();
|
| - virtual FX_BOOL v_Init(CPDF_Object* pObj);
|
| - virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
|
| - FX_FLOAT m_Exponent;
|
| - FX_FLOAT* m_pBeginValues;
|
| - FX_FLOAT* m_pEndValues;
|
| - int m_nOrigOutputs;
|
| +class CPDF_ExpIntFunc : public CPDF_Function {
|
| + public:
|
| + CPDF_ExpIntFunc();
|
| + virtual ~CPDF_ExpIntFunc();
|
| + virtual FX_BOOL v_Init(CPDF_Object* pObj);
|
| + virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
|
| + FX_FLOAT m_Exponent;
|
| + FX_FLOAT* m_pBeginValues;
|
| + FX_FLOAT* m_pEndValues;
|
| + int m_nOrigOutputs;
|
| };
|
| -CPDF_ExpIntFunc::CPDF_ExpIntFunc()
|
| -{
|
| - m_pBeginValues = NULL;
|
| - m_pEndValues = NULL;
|
| +CPDF_ExpIntFunc::CPDF_ExpIntFunc() {
|
| + m_pBeginValues = NULL;
|
| + m_pEndValues = NULL;
|
| }
|
| -CPDF_ExpIntFunc::~CPDF_ExpIntFunc()
|
| -{
|
| - if (m_pBeginValues) {
|
| - FX_Free(m_pBeginValues);
|
| - }
|
| - if (m_pEndValues) {
|
| - FX_Free(m_pEndValues);
|
| - }
|
| +CPDF_ExpIntFunc::~CPDF_ExpIntFunc() {
|
| + if (m_pBeginValues) {
|
| + FX_Free(m_pBeginValues);
|
| + }
|
| + if (m_pEndValues) {
|
| + FX_Free(m_pEndValues);
|
| + }
|
| }
|
| -FX_BOOL CPDF_ExpIntFunc::v_Init(CPDF_Object* pObj)
|
| -{
|
| - CPDF_Dictionary* pDict = pObj->GetDict();
|
| - if (pDict == NULL) {
|
| - return FALSE;
|
| - }
|
| - CPDF_Array* pArray0 = pDict->GetArray(FX_BSTRC("C0"));
|
| - if (m_nOutputs == 0) {
|
| - m_nOutputs = 1;
|
| - if (pArray0) {
|
| - m_nOutputs = pArray0->GetCount();
|
| - }
|
| - }
|
| - CPDF_Array* pArray1 = pDict->GetArray(FX_BSTRC("C1"));
|
| - m_pBeginValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
|
| - m_pEndValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
|
| - for (int i = 0; i < m_nOutputs; i ++) {
|
| - m_pBeginValues[i] = pArray0 ? pArray0->GetFloat(i) : 0.0f;
|
| - m_pEndValues[i] = pArray1 ? pArray1->GetFloat(i) : 1.0f;
|
| - }
|
| - m_Exponent = pDict->GetFloat(FX_BSTRC("N"));
|
| - m_nOrigOutputs = m_nOutputs;
|
| - if (m_nOutputs && m_nInputs > INT_MAX / m_nOutputs) {
|
| - return FALSE;
|
| - }
|
| - m_nOutputs *= m_nInputs;
|
| - return TRUE;
|
| +FX_BOOL CPDF_ExpIntFunc::v_Init(CPDF_Object* pObj) {
|
| + CPDF_Dictionary* pDict = pObj->GetDict();
|
| + if (pDict == NULL) {
|
| + return FALSE;
|
| + }
|
| + CPDF_Array* pArray0 = pDict->GetArray(FX_BSTRC("C0"));
|
| + if (m_nOutputs == 0) {
|
| + m_nOutputs = 1;
|
| + if (pArray0) {
|
| + m_nOutputs = pArray0->GetCount();
|
| + }
|
| + }
|
| + CPDF_Array* pArray1 = pDict->GetArray(FX_BSTRC("C1"));
|
| + m_pBeginValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
|
| + m_pEndValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
|
| + for (int i = 0; i < m_nOutputs; i++) {
|
| + m_pBeginValues[i] = pArray0 ? pArray0->GetFloat(i) : 0.0f;
|
| + m_pEndValues[i] = pArray1 ? pArray1->GetFloat(i) : 1.0f;
|
| + }
|
| + m_Exponent = pDict->GetFloat(FX_BSTRC("N"));
|
| + m_nOrigOutputs = m_nOutputs;
|
| + if (m_nOutputs && m_nInputs > INT_MAX / m_nOutputs) {
|
| + return FALSE;
|
| + }
|
| + m_nOutputs *= m_nInputs;
|
| + return TRUE;
|
| }
|
| -FX_BOOL CPDF_ExpIntFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const
|
| -{
|
| - for (int i = 0; i < m_nInputs; i ++)
|
| - for (int j = 0; j < m_nOrigOutputs; j ++) {
|
| - results[i * m_nOrigOutputs + j] = m_pBeginValues[j] + (FX_FLOAT)FXSYS_pow(inputs[i], m_Exponent) *
|
| - (m_pEndValues[j] - m_pBeginValues[j]);
|
| - }
|
| - return TRUE;
|
| +FX_BOOL CPDF_ExpIntFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const {
|
| + for (int i = 0; i < m_nInputs; i++)
|
| + for (int j = 0; j < m_nOrigOutputs; j++) {
|
| + results[i * m_nOrigOutputs + j] =
|
| + m_pBeginValues[j] +
|
| + (FX_FLOAT)FXSYS_pow(inputs[i], m_Exponent) *
|
| + (m_pEndValues[j] - m_pBeginValues[j]);
|
| + }
|
| + return TRUE;
|
| }
|
| -class CPDF_StitchFunc : public CPDF_Function
|
| -{
|
| -public:
|
| - CPDF_StitchFunc();
|
| - virtual ~CPDF_StitchFunc();
|
| - virtual FX_BOOL v_Init(CPDF_Object* pObj);
|
| - virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
|
| - int m_nSubs;
|
| - CPDF_Function** m_pSubFunctions;
|
| - FX_FLOAT* m_pBounds;
|
| - FX_FLOAT* m_pEncode;
|
| +class CPDF_StitchFunc : public CPDF_Function {
|
| + public:
|
| + CPDF_StitchFunc();
|
| + virtual ~CPDF_StitchFunc();
|
| + virtual FX_BOOL v_Init(CPDF_Object* pObj);
|
| + virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
|
| + int m_nSubs;
|
| + CPDF_Function** m_pSubFunctions;
|
| + FX_FLOAT* m_pBounds;
|
| + FX_FLOAT* m_pEncode;
|
| };
|
| -CPDF_StitchFunc::CPDF_StitchFunc()
|
| -{
|
| - m_nSubs = 0;
|
| - m_pSubFunctions = NULL;
|
| - m_pBounds = NULL;
|
| - m_pEncode = NULL;
|
| +CPDF_StitchFunc::CPDF_StitchFunc() {
|
| + m_nSubs = 0;
|
| + m_pSubFunctions = NULL;
|
| + m_pBounds = NULL;
|
| + m_pEncode = NULL;
|
| }
|
| -CPDF_StitchFunc::~CPDF_StitchFunc()
|
| -{
|
| - for (int i = 0; i < m_nSubs; i ++)
|
| - delete m_pSubFunctions[i];
|
| - if (m_pSubFunctions) {
|
| - FX_Free(m_pSubFunctions);
|
| - }
|
| - if (m_pBounds) {
|
| - FX_Free(m_pBounds);
|
| - }
|
| - if (m_pEncode) {
|
| - FX_Free(m_pEncode);
|
| - }
|
| +CPDF_StitchFunc::~CPDF_StitchFunc() {
|
| + for (int i = 0; i < m_nSubs; i++)
|
| + delete m_pSubFunctions[i];
|
| + if (m_pSubFunctions) {
|
| + FX_Free(m_pSubFunctions);
|
| + }
|
| + if (m_pBounds) {
|
| + FX_Free(m_pBounds);
|
| + }
|
| + if (m_pEncode) {
|
| + FX_Free(m_pEncode);
|
| + }
|
| }
|
| -FX_BOOL CPDF_StitchFunc::v_Init(CPDF_Object* pObj)
|
| -{
|
| - CPDF_Dictionary* pDict = pObj->GetDict();
|
| - if (pDict == NULL) {
|
| - return FALSE;
|
| - }
|
| - CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Functions"));
|
| - if (pArray == NULL) {
|
| - return FALSE;
|
| - }
|
| - m_nSubs = pArray->GetCount();
|
| - if (m_nSubs == 0) {
|
| - return FALSE;
|
| - }
|
| - m_pSubFunctions = FX_Alloc(CPDF_Function*, m_nSubs);
|
| - m_nOutputs = 0;
|
| - int i;
|
| - for (i = 0; i < m_nSubs; i ++) {
|
| - CPDF_Object* pSub = pArray->GetElementValue(i);
|
| - if (pSub == pObj) {
|
| - return FALSE;
|
| - }
|
| - m_pSubFunctions[i] = CPDF_Function::Load(pSub);
|
| - if (m_pSubFunctions[i] == NULL) {
|
| - return FALSE;
|
| - }
|
| - if (m_pSubFunctions[i]->CountOutputs() > m_nOutputs) {
|
| - m_nOutputs = m_pSubFunctions[i]->CountOutputs();
|
| - }
|
| - }
|
| - m_pBounds = FX_Alloc(FX_FLOAT, m_nSubs + 1);
|
| - m_pBounds[0] = m_pDomains[0];
|
| - pArray = pDict->GetArray(FX_BSTRC("Bounds"));
|
| - if (pArray == NULL) {
|
| - return FALSE;
|
| - }
|
| - for (i = 0; i < m_nSubs - 1; i ++) {
|
| - m_pBounds[i + 1] = pArray->GetFloat(i);
|
| - }
|
| - m_pBounds[m_nSubs] = m_pDomains[1];
|
| - m_pEncode = FX_Alloc2D(FX_FLOAT, m_nSubs, 2);
|
| - pArray = pDict->GetArray(FX_BSTRC("Encode"));
|
| - if (pArray == NULL) {
|
| - return FALSE;
|
| - }
|
| - for (i = 0; i < m_nSubs * 2; i ++) {
|
| - m_pEncode[i] = pArray->GetFloat(i);
|
| - }
|
| - return TRUE;
|
| -}
|
| -FX_BOOL CPDF_StitchFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* outputs) const
|
| -{
|
| - FX_FLOAT input = inputs[0];
|
| - int i;
|
| - for (i = 0; i < m_nSubs - 1; i ++)
|
| - if (input < m_pBounds[i + 1]) {
|
| - break;
|
| - }
|
| +FX_BOOL CPDF_StitchFunc::v_Init(CPDF_Object* pObj) {
|
| + CPDF_Dictionary* pDict = pObj->GetDict();
|
| + if (pDict == NULL) {
|
| + return FALSE;
|
| + }
|
| + CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Functions"));
|
| + if (pArray == NULL) {
|
| + return FALSE;
|
| + }
|
| + m_nSubs = pArray->GetCount();
|
| + if (m_nSubs == 0) {
|
| + return FALSE;
|
| + }
|
| + m_pSubFunctions = FX_Alloc(CPDF_Function*, m_nSubs);
|
| + m_nOutputs = 0;
|
| + int i;
|
| + for (i = 0; i < m_nSubs; i++) {
|
| + CPDF_Object* pSub = pArray->GetElementValue(i);
|
| + if (pSub == pObj) {
|
| + return FALSE;
|
| + }
|
| + m_pSubFunctions[i] = CPDF_Function::Load(pSub);
|
| if (m_pSubFunctions[i] == NULL) {
|
| - return FALSE;
|
| - }
|
| - input = PDF_Interpolate(input, m_pBounds[i], m_pBounds[i + 1], m_pEncode[i * 2], m_pEncode[i * 2 + 1]);
|
| - int nresults;
|
| - m_pSubFunctions[i]->Call(&input, m_nInputs, outputs, nresults);
|
| - return TRUE;
|
| + return FALSE;
|
| + }
|
| + if (m_pSubFunctions[i]->CountOutputs() > m_nOutputs) {
|
| + m_nOutputs = m_pSubFunctions[i]->CountOutputs();
|
| + }
|
| + }
|
| + m_pBounds = FX_Alloc(FX_FLOAT, m_nSubs + 1);
|
| + m_pBounds[0] = m_pDomains[0];
|
| + pArray = pDict->GetArray(FX_BSTRC("Bounds"));
|
| + if (pArray == NULL) {
|
| + return FALSE;
|
| + }
|
| + for (i = 0; i < m_nSubs - 1; i++) {
|
| + m_pBounds[i + 1] = pArray->GetFloat(i);
|
| + }
|
| + m_pBounds[m_nSubs] = m_pDomains[1];
|
| + m_pEncode = FX_Alloc2D(FX_FLOAT, m_nSubs, 2);
|
| + pArray = pDict->GetArray(FX_BSTRC("Encode"));
|
| + if (pArray == NULL) {
|
| + return FALSE;
|
| + }
|
| + for (i = 0; i < m_nSubs * 2; i++) {
|
| + m_pEncode[i] = pArray->GetFloat(i);
|
| + }
|
| + return TRUE;
|
| }
|
| -CPDF_Function* CPDF_Function::Load(CPDF_Object* pFuncObj)
|
| -{
|
| - if (pFuncObj == NULL) {
|
| - return NULL;
|
| - }
|
| - CPDF_Function* pFunc = NULL;
|
| - int type;
|
| - if (pFuncObj->GetType() == PDFOBJ_STREAM) {
|
| - type = ((CPDF_Stream*)pFuncObj)->GetDict()->GetInteger(FX_BSTRC("FunctionType"));
|
| - } else if (pFuncObj->GetType() == PDFOBJ_DICTIONARY) {
|
| - type = ((CPDF_Dictionary*)pFuncObj)->GetInteger(FX_BSTRC("FunctionType"));
|
| - } else {
|
| - return NULL;
|
| - }
|
| - if (type == 0) {
|
| - pFunc = new CPDF_SampledFunc;
|
| - } else if (type == 2) {
|
| - pFunc = new CPDF_ExpIntFunc;
|
| - } else if (type == 3) {
|
| - pFunc = new CPDF_StitchFunc;
|
| - } else if (type == 4) {
|
| - pFunc = new CPDF_PSFunc;
|
| - } else {
|
| - return NULL;
|
| - }
|
| - if (!pFunc->Init(pFuncObj)) {
|
| - delete pFunc;
|
| - return NULL;
|
| - }
|
| - return pFunc;
|
| +FX_BOOL CPDF_StitchFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* outputs) const {
|
| + FX_FLOAT input = inputs[0];
|
| + int i;
|
| + for (i = 0; i < m_nSubs - 1; i++)
|
| + if (input < m_pBounds[i + 1]) {
|
| + break;
|
| + }
|
| + if (m_pSubFunctions[i] == NULL) {
|
| + return FALSE;
|
| + }
|
| + input = PDF_Interpolate(input, m_pBounds[i], m_pBounds[i + 1],
|
| + m_pEncode[i * 2], m_pEncode[i * 2 + 1]);
|
| + int nresults;
|
| + m_pSubFunctions[i]->Call(&input, m_nInputs, outputs, nresults);
|
| + return TRUE;
|
| +}
|
| +CPDF_Function* CPDF_Function::Load(CPDF_Object* pFuncObj) {
|
| + if (pFuncObj == NULL) {
|
| + return NULL;
|
| + }
|
| + CPDF_Function* pFunc = NULL;
|
| + int type;
|
| + if (pFuncObj->GetType() == PDFOBJ_STREAM) {
|
| + type = ((CPDF_Stream*)pFuncObj)
|
| + ->GetDict()
|
| + ->GetInteger(FX_BSTRC("FunctionType"));
|
| + } else if (pFuncObj->GetType() == PDFOBJ_DICTIONARY) {
|
| + type = ((CPDF_Dictionary*)pFuncObj)->GetInteger(FX_BSTRC("FunctionType"));
|
| + } else {
|
| + return NULL;
|
| + }
|
| + if (type == 0) {
|
| + pFunc = new CPDF_SampledFunc;
|
| + } else if (type == 2) {
|
| + pFunc = new CPDF_ExpIntFunc;
|
| + } else if (type == 3) {
|
| + pFunc = new CPDF_StitchFunc;
|
| + } else if (type == 4) {
|
| + pFunc = new CPDF_PSFunc;
|
| + } else {
|
| + return NULL;
|
| + }
|
| + if (!pFunc->Init(pFuncObj)) {
|
| + delete pFunc;
|
| + return NULL;
|
| + }
|
| + return pFunc;
|
| +}
|
| +CPDF_Function::CPDF_Function() {
|
| + m_pDomains = NULL;
|
| + m_pRanges = NULL;
|
| }
|
| -CPDF_Function::CPDF_Function()
|
| -{
|
| +CPDF_Function::~CPDF_Function() {
|
| + if (m_pDomains) {
|
| + FX_Free(m_pDomains);
|
| m_pDomains = NULL;
|
| + }
|
| + if (m_pRanges) {
|
| + FX_Free(m_pRanges);
|
| m_pRanges = NULL;
|
| + }
|
| }
|
| -CPDF_Function::~CPDF_Function()
|
| -{
|
| - if (m_pDomains) {
|
| - FX_Free(m_pDomains);
|
| - m_pDomains = NULL;
|
| - }
|
| +FX_BOOL CPDF_Function::Init(CPDF_Object* pObj) {
|
| + CPDF_Dictionary* pDict;
|
| + if (pObj->GetType() == PDFOBJ_STREAM) {
|
| + pDict = ((CPDF_Stream*)pObj)->GetDict();
|
| + } else {
|
| + pDict = (CPDF_Dictionary*)pObj;
|
| + }
|
| + CPDF_Array* pDomains = pDict->GetArray(FX_BSTRC("Domain"));
|
| + if (pDomains == NULL) {
|
| + return FALSE;
|
| + }
|
| + m_nInputs = pDomains->GetCount() / 2;
|
| + if (m_nInputs == 0) {
|
| + return FALSE;
|
| + }
|
| + m_pDomains = FX_Alloc2D(FX_FLOAT, m_nInputs, 2);
|
| + for (int i = 0; i < m_nInputs * 2; i++) {
|
| + m_pDomains[i] = pDomains->GetFloat(i);
|
| + }
|
| + CPDF_Array* pRanges = pDict->GetArray(FX_BSTRC("Range"));
|
| + m_nOutputs = 0;
|
| + if (pRanges) {
|
| + m_nOutputs = pRanges->GetCount() / 2;
|
| + m_pRanges = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
|
| + for (int i = 0; i < m_nOutputs * 2; i++) {
|
| + m_pRanges[i] = pRanges->GetFloat(i);
|
| + }
|
| + }
|
| + FX_DWORD old_outputs = m_nOutputs;
|
| + if (!v_Init(pObj)) {
|
| + return FALSE;
|
| + }
|
| + if (m_pRanges && m_nOutputs > (int)old_outputs) {
|
| + m_pRanges = FX_Realloc(FX_FLOAT, m_pRanges, m_nOutputs * 2);
|
| if (m_pRanges) {
|
| - FX_Free(m_pRanges);
|
| - m_pRanges = NULL;
|
| - }
|
| -}
|
| -FX_BOOL CPDF_Function::Init(CPDF_Object* pObj)
|
| -{
|
| - CPDF_Dictionary* pDict;
|
| - if (pObj->GetType() == PDFOBJ_STREAM) {
|
| - pDict = ((CPDF_Stream*)pObj)->GetDict();
|
| - } else {
|
| - pDict = (CPDF_Dictionary*)pObj;
|
| - }
|
| - CPDF_Array* pDomains = pDict->GetArray(FX_BSTRC("Domain"));
|
| - if (pDomains == NULL) {
|
| - return FALSE;
|
| - }
|
| - m_nInputs = pDomains->GetCount() / 2;
|
| - if (m_nInputs == 0) {
|
| - return FALSE;
|
| - }
|
| - m_pDomains = FX_Alloc2D(FX_FLOAT, m_nInputs, 2);
|
| - for (int i = 0; i < m_nInputs * 2; i ++) {
|
| - m_pDomains[i] = pDomains->GetFloat(i);
|
| - }
|
| - CPDF_Array* pRanges = pDict->GetArray(FX_BSTRC("Range"));
|
| - m_nOutputs = 0;
|
| - if (pRanges) {
|
| - m_nOutputs = pRanges->GetCount() / 2;
|
| - m_pRanges = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
|
| - for (int i = 0; i < m_nOutputs * 2; i ++) {
|
| - m_pRanges[i] = pRanges->GetFloat(i);
|
| - }
|
| - }
|
| - FX_DWORD old_outputs = m_nOutputs;
|
| - if (!v_Init(pObj)) {
|
| - return FALSE;
|
| - }
|
| - if (m_pRanges && m_nOutputs > (int)old_outputs) {
|
| - m_pRanges = FX_Realloc(FX_FLOAT, m_pRanges, m_nOutputs * 2);
|
| - if (m_pRanges) {
|
| - FXSYS_memset(m_pRanges + (old_outputs * 2), 0, sizeof(FX_FLOAT) * (m_nOutputs - old_outputs) * 2);
|
| - }
|
| + FXSYS_memset(m_pRanges + (old_outputs * 2), 0,
|
| + sizeof(FX_FLOAT) * (m_nOutputs - old_outputs) * 2);
|
| }
|
| - return TRUE;
|
| + }
|
| + return TRUE;
|
| }
|
| -FX_BOOL CPDF_Function::Call(FX_FLOAT* inputs, int ninputs, FX_FLOAT* results, int& nresults) const
|
| -{
|
| - if (m_nInputs != ninputs) {
|
| - return FALSE;
|
| - }
|
| - nresults = m_nOutputs;
|
| - for (int i = 0; i < m_nInputs; i ++) {
|
| - if (inputs[i] < m_pDomains[i * 2]) {
|
| - inputs[i] = m_pDomains[i * 2];
|
| - } else if (inputs[i] > m_pDomains[i * 2 + 1]) {
|
| - inputs[i] = m_pDomains[i * 2] + 1;
|
| - }
|
| - }
|
| - v_Call(inputs, results);
|
| - if (m_pRanges) {
|
| - for (int i = 0; i < m_nOutputs; i ++) {
|
| - if (results[i] < m_pRanges[i * 2]) {
|
| - results[i] = m_pRanges[i * 2];
|
| - } else if (results[i] > m_pRanges[i * 2 + 1]) {
|
| - results[i] = m_pRanges[i * 2 + 1];
|
| - }
|
| - }
|
| - }
|
| - return TRUE;
|
| +FX_BOOL CPDF_Function::Call(FX_FLOAT* inputs,
|
| + int ninputs,
|
| + FX_FLOAT* results,
|
| + int& nresults) const {
|
| + if (m_nInputs != ninputs) {
|
| + return FALSE;
|
| + }
|
| + nresults = m_nOutputs;
|
| + for (int i = 0; i < m_nInputs; i++) {
|
| + if (inputs[i] < m_pDomains[i * 2]) {
|
| + inputs[i] = m_pDomains[i * 2];
|
| + } else if (inputs[i] > m_pDomains[i * 2 + 1]) {
|
| + inputs[i] = m_pDomains[i * 2] + 1;
|
| + }
|
| + }
|
| + v_Call(inputs, results);
|
| + if (m_pRanges) {
|
| + for (int i = 0; i < m_nOutputs; i++) {
|
| + if (results[i] < m_pRanges[i * 2]) {
|
| + results[i] = m_pRanges[i * 2];
|
| + } else if (results[i] > m_pRanges[i * 2 + 1]) {
|
| + results[i] = m_pRanges[i * 2 + 1];
|
| + }
|
| + }
|
| + }
|
| + return TRUE;
|
| }
|
|
|