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Diffstat (limited to 'core/src/fxcodec/jbig2/JBig2_Image.cpp')
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Image.cpp1099
1 files changed, 0 insertions, 1099 deletions
diff --git a/core/src/fxcodec/jbig2/JBig2_Image.cpp b/core/src/fxcodec/jbig2/JBig2_Image.cpp
deleted file mode 100644
index 16e4243e3b..0000000000
--- a/core/src/fxcodec/jbig2/JBig2_Image.cpp
+++ /dev/null
@@ -1,1099 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include <limits.h>
-
-#include "core/include/fxcrt/fx_coordinates.h"
-#include "core/include/fxcrt/fx_safe_types.h"
-#include "core/src/fxcodec/jbig2/JBig2_Image.h"
-
-CJBig2_Image::CJBig2_Image(int32_t w, int32_t h) {
- m_nWidth = w;
- m_nHeight = h;
- if (m_nWidth <= 0 || m_nHeight <= 0 || m_nWidth > INT_MAX - 31) {
- m_pData = NULL;
- m_bNeedFree = FALSE;
- return;
- }
- m_nStride = ((w + 31) >> 5) << 2;
- if (m_nStride * m_nHeight > 0 && 104857600 / (int)m_nStride > m_nHeight) {
- m_pData = FX_Alloc2D(uint8_t, m_nStride, m_nHeight);
- } else {
- m_pData = NULL;
- }
- m_bNeedFree = TRUE;
-}
-CJBig2_Image::CJBig2_Image(int32_t w,
- int32_t h,
- int32_t stride,
- uint8_t* pBuf) {
- m_nWidth = w;
- m_nHeight = h;
- m_nStride = stride;
- m_pData = pBuf;
- m_bNeedFree = FALSE;
-}
-CJBig2_Image::CJBig2_Image(const CJBig2_Image& im) {
- m_nWidth = im.m_nWidth;
- m_nHeight = im.m_nHeight;
- m_nStride = im.m_nStride;
- if (im.m_pData) {
- m_pData = FX_Alloc2D(uint8_t, m_nStride, m_nHeight);
- JBIG2_memcpy(m_pData, im.m_pData, m_nStride * m_nHeight);
- } else {
- m_pData = NULL;
- }
- m_bNeedFree = TRUE;
-}
-CJBig2_Image::~CJBig2_Image() {
- if (m_bNeedFree) {
- FX_Free(m_pData);
- }
-}
-FX_BOOL CJBig2_Image::getPixel(int32_t x, int32_t y) {
- if (!m_pData) {
- return 0;
- }
- int32_t m, n;
- if (x < 0 || x >= m_nWidth) {
- return 0;
- }
- if (y < 0 || y >= m_nHeight) {
- return 0;
- }
- m = y * m_nStride + (x >> 3);
- n = x & 7;
- return ((m_pData[m] >> (7 - n)) & 1);
-}
-
-int32_t CJBig2_Image::setPixel(int32_t x, int32_t y, FX_BOOL v) {
- if (!m_pData) {
- return 0;
- }
- int32_t m, n;
- if (x < 0 || x >= m_nWidth) {
- return 0;
- }
- if (y < 0 || y >= m_nHeight) {
- return 0;
- }
- m = y * m_nStride + (x >> 3);
- n = x & 7;
- if (v) {
- m_pData[m] |= 1 << (7 - n);
- } else {
- m_pData[m] &= ~(1 << (7 - n));
- }
- return 1;
-}
-void CJBig2_Image::copyLine(int32_t hTo, int32_t hFrom) {
- if (!m_pData) {
- return;
- }
- if (hFrom < 0 || hFrom >= m_nHeight) {
- JBIG2_memset(m_pData + hTo * m_nStride, 0, m_nStride);
- } else {
- JBIG2_memcpy(m_pData + hTo * m_nStride, m_pData + hFrom * m_nStride,
- m_nStride);
- }
-}
-void CJBig2_Image::fill(FX_BOOL v) {
- if (!m_pData) {
- return;
- }
- JBIG2_memset(m_pData, v ? 0xff : 0, m_nStride * m_nHeight);
-}
-FX_BOOL CJBig2_Image::composeTo(CJBig2_Image* pDst,
- int32_t x,
- int32_t y,
- JBig2ComposeOp op) {
- if (!m_pData) {
- return FALSE;
- }
- return composeTo_opt2(pDst, x, y, op);
-}
-FX_BOOL CJBig2_Image::composeTo(CJBig2_Image* pDst,
- int32_t x,
- int32_t y,
- JBig2ComposeOp op,
- const FX_RECT* pSrcRect) {
- if (!m_pData) {
- return FALSE;
- }
- if (NULL == pSrcRect || *pSrcRect == FX_RECT(0, 0, m_nWidth, m_nHeight)) {
- return composeTo_opt2(pDst, x, y, op);
- }
- return composeTo_opt2(pDst, x, y, op, pSrcRect);
-}
-
-FX_BOOL CJBig2_Image::composeFrom(int32_t x,
- int32_t y,
- CJBig2_Image* pSrc,
- JBig2ComposeOp op) {
- if (!m_pData) {
- return FALSE;
- }
- return pSrc->composeTo(this, x, y, op);
-}
-FX_BOOL CJBig2_Image::composeFrom(int32_t x,
- int32_t y,
- CJBig2_Image* pSrc,
- JBig2ComposeOp op,
- const FX_RECT* pSrcRect) {
- if (!m_pData) {
- return FALSE;
- }
- return pSrc->composeTo(this, x, y, op, pSrcRect);
-}
-#define JBIG2_GETDWORD(buf) \
- ((FX_DWORD)(((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3]))
-CJBig2_Image* CJBig2_Image::subImage(int32_t x,
- int32_t y,
- int32_t w,
- int32_t h) {
- int32_t m, n, j;
- uint8_t *pLineSrc, *pLineDst;
- FX_DWORD wTmp;
- uint8_t *pSrc, *pSrcEnd, *pDst, *pDstEnd;
- if (w == 0 || h == 0) {
- return NULL;
- }
- CJBig2_Image* pImage = new CJBig2_Image(w, h);
- if (!m_pData) {
- pImage->fill(0);
- return pImage;
- }
- if (!pImage->m_pData) {
- return pImage;
- }
- pLineSrc = m_pData + m_nStride * y;
- pLineDst = pImage->m_pData;
- m = (x >> 5) << 2;
- n = x & 31;
- if (n == 0) {
- for (j = 0; j < h; j++) {
- pSrc = pLineSrc + m;
- pSrcEnd = pLineSrc + m_nStride;
- pDst = pLineDst;
- pDstEnd = pLineDst + pImage->m_nStride;
- for (; pDst < pDstEnd; pSrc += 4, pDst += 4) {
- *((FX_DWORD*)pDst) = *((FX_DWORD*)pSrc);
- }
- pLineSrc += m_nStride;
- pLineDst += pImage->m_nStride;
- }
- } else {
- for (j = 0; j < h; j++) {
- pSrc = pLineSrc + m;
- pSrcEnd = pLineSrc + m_nStride;
- pDst = pLineDst;
- pDstEnd = pLineDst + pImage->m_nStride;
- for (; pDst < pDstEnd; pSrc += 4, pDst += 4) {
- if (pSrc + 4 < pSrcEnd) {
- wTmp = (JBIG2_GETDWORD(pSrc) << n) |
- (JBIG2_GETDWORD(pSrc + 4) >> (32 - n));
- } else {
- wTmp = JBIG2_GETDWORD(pSrc) << n;
- }
- pDst[0] = (uint8_t)(wTmp >> 24);
- pDst[1] = (uint8_t)(wTmp >> 16);
- pDst[2] = (uint8_t)(wTmp >> 8);
- pDst[3] = (uint8_t)wTmp;
- }
- pLineSrc += m_nStride;
- pLineDst += pImage->m_nStride;
- }
- }
- return pImage;
-}
-void CJBig2_Image::expand(int32_t h, FX_BOOL v) {
- if (!m_pData || h <= m_nHeight) {
- return;
- }
- FX_DWORD dwH = pdfium::base::checked_cast<FX_DWORD>(h);
- FX_DWORD dwStride = pdfium::base::checked_cast<FX_DWORD>(m_nStride);
- FX_DWORD dwHeight = pdfium::base::checked_cast<FX_DWORD>(m_nHeight);
- FX_SAFE_DWORD safeMemSize = dwH;
- safeMemSize *= dwStride;
- if (!safeMemSize.IsValid()) {
- return;
- }
- // The guaranteed reallocated memory is to be < 4GB (unsigned int).
- m_pData = FX_Realloc(uint8_t, m_pData, safeMemSize.ValueOrDie());
-
- // The result of dwHeight * dwStride doesn't overflow after the
- // checking of safeMemSize.
- // The same as the result of (dwH - dwHeight) * dwStride) because
- // dwH - dwHeight is always less than dwH(h) which is checked in
- // the calculation of dwH * dwStride.
- JBIG2_memset(m_pData + dwHeight * dwStride, v ? 0xff : 0,
- (dwH - dwHeight) * dwStride);
- m_nHeight = h;
-}
-FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image* pDst,
- int32_t x,
- int32_t y,
- JBig2ComposeOp op) {
- int32_t xs0 = 0, ys0 = 0, xs1 = 0, ys1 = 0, xd0 = 0, yd0 = 0, xd1 = 0,
- yd1 = 0, xx = 0, yy = 0, w = 0, h = 0, middleDwords = 0, lineLeft = 0;
-
- FX_DWORD s1 = 0, d1 = 0, d2 = 0, shift = 0, shift1 = 0, shift2 = 0, tmp = 0,
- tmp1 = 0, tmp2 = 0, maskL = 0, maskR = 0, maskM = 0;
-
- uint8_t *lineSrc = NULL, *lineDst = NULL, *sp = NULL, *dp = NULL;
-
- if (!m_pData) {
- return FALSE;
- }
- if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) {
- return FALSE;
- }
- if (y < 0) {
- ys0 = -y;
- }
- if (y + m_nHeight > pDst->m_nHeight) {
- ys1 = pDst->m_nHeight - y;
- } else {
- ys1 = m_nHeight;
- }
- if (x < 0) {
- xs0 = -x;
- }
- if (x + m_nWidth > pDst->m_nWidth) {
- xs1 = pDst->m_nWidth - x;
- } else {
- xs1 = m_nWidth;
- }
- if ((ys0 >= ys1) || (xs0 >= xs1)) {
- return 0;
- }
- w = xs1 - xs0;
- h = ys1 - ys0;
- if (y >= 0) {
- yd0 = y;
- }
- if (x >= 0) {
- xd0 = x;
- }
- xd1 = xd0 + w;
- yd1 = yd0 + h;
- d1 = xd0 & 31;
- d2 = xd1 & 31;
- s1 = xs0 & 31;
- maskL = 0xffffffff >> d1;
- maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32);
- maskM = maskL & maskR;
- lineSrc = m_pData + ys0 * m_nStride + ((xs0 >> 5) << 2);
- lineLeft = m_nStride - ((xs0 >> 5) << 2);
- lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2);
- if ((xd0 & ~31) == ((xd1 - 1) & ~31)) {
- if ((xs0 & ~31) == ((xs1 - 1) & ~31)) {
- if (s1 > d1) {
- shift = s1 - d1;
- for (yy = yd0; yy < yd1; yy++) {
- tmp1 = JBIG2_GETDWORD(lineSrc) << shift;
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (uint8_t)(tmp >> 24);
- lineDst[1] = (uint8_t)(tmp >> 16);
- lineDst[2] = (uint8_t)(tmp >> 8);
- lineDst[3] = (uint8_t)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else {
- shift = d1 - s1;
- for (yy = yd0; yy < yd1; yy++) {
- tmp1 = JBIG2_GETDWORD(lineSrc) >> shift;
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (uint8_t)(tmp >> 24);
- lineDst[1] = (uint8_t)(tmp >> 16);
- lineDst[2] = (uint8_t)(tmp >> 8);
- lineDst[3] = (uint8_t)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- } else {
- shift1 = s1 - d1;
- shift2 = 32 - shift1;
- for (yy = yd0; yy < yd1; yy++) {
- tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) |
- (JBIG2_GETDWORD(lineSrc + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (uint8_t)(tmp >> 24);
- lineDst[1] = (uint8_t)(tmp >> 16);
- lineDst[2] = (uint8_t)(tmp >> 8);
- lineDst[3] = (uint8_t)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- } else {
- if (s1 > d1) {
- shift1 = s1 - d1;
- shift2 = 32 - shift1;
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for (yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if (d1 != 0) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) |
- (JBIG2_GETDWORD(sp + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- for (xx = 0; xx < middleDwords; xx++) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) |
- (JBIG2_GETDWORD(sp + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- if (d2 != 0) {
- tmp1 =
- (JBIG2_GETDWORD(sp) << shift1) |
- (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >>
- shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else if (s1 == d1) {
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for (yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if (d1 != 0) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- for (xx = 0; xx < middleDwords; xx++) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- if (d2 != 0) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else {
- shift1 = d1 - s1;
- shift2 = 32 - shift1;
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for (yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if (d1 != 0) {
- tmp1 = JBIG2_GETDWORD(sp) >> shift1;
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- dp += 4;
- }
- for (xx = 0; xx < middleDwords; xx++) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift2) |
- ((JBIG2_GETDWORD(sp + 4)) >> shift1);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- if (d2 != 0) {
- tmp1 =
- (JBIG2_GETDWORD(sp) << shift2) |
- (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >>
- shift1);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- }
- return 1;
-}
-FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image* pDst,
- int32_t x,
- int32_t y,
- JBig2ComposeOp op,
- const FX_RECT* pSrcRect) {
- int32_t xs0, ys0, xs1, ys1, xd0, yd0, xd1, yd1, xx, yy, w, h, middleDwords,
- lineLeft;
- FX_DWORD s1, d1, d2, shift, shift1, shift2, tmp, tmp1, tmp2, maskL, maskR,
- maskM;
- uint8_t *lineSrc, *lineDst, *sp, *dp;
- int32_t sw, sh;
- if (!m_pData) {
- return FALSE;
- }
- if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) {
- return FALSE;
- }
- sw = pSrcRect->Width();
- sh = pSrcRect->Height();
- if (y < 0) {
- ys0 = -y;
- } else {
- ys0 = 0;
- }
- if (y + sh > pDst->m_nHeight) {
- ys1 = pDst->m_nHeight - y;
- } else {
- ys1 = sh;
- }
- if (x < 0) {
- xs0 = -x;
- } else {
- xs0 = 0;
- }
- if (x + sw > pDst->m_nWidth) {
- xs1 = pDst->m_nWidth - x;
- } else {
- xs1 = sw;
- }
- if ((ys0 >= ys1) || (xs0 >= xs1)) {
- return 0;
- }
- w = xs1 - xs0;
- h = ys1 - ys0;
- if (y < 0) {
- yd0 = 0;
- } else {
- yd0 = y;
- }
- if (x < 0) {
- xd0 = 0;
- } else {
- xd0 = x;
- }
- xd1 = xd0 + w;
- yd1 = yd0 + h;
- d1 = xd0 & 31;
- d2 = xd1 & 31;
- s1 = xs0 & 31;
- maskL = 0xffffffff >> d1;
- maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32);
- maskM = maskL & maskR;
- lineSrc = m_pData + (pSrcRect->top + ys0) * m_nStride +
- (((xs0 + pSrcRect->left) >> 5) << 2);
- lineLeft = m_nStride - ((xs0 >> 5) << 2);
- lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2);
- if ((xd0 & ~31) == ((xd1 - 1) & ~31)) {
- if ((xs0 & ~31) == ((xs1 - 1) & ~31)) {
- if (s1 > d1) {
- shift = s1 - d1;
- for (yy = yd0; yy < yd1; yy++) {
- tmp1 = JBIG2_GETDWORD(lineSrc) << shift;
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (uint8_t)(tmp >> 24);
- lineDst[1] = (uint8_t)(tmp >> 16);
- lineDst[2] = (uint8_t)(tmp >> 8);
- lineDst[3] = (uint8_t)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else {
- shift = d1 - s1;
- for (yy = yd0; yy < yd1; yy++) {
- tmp1 = JBIG2_GETDWORD(lineSrc) >> shift;
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (uint8_t)(tmp >> 24);
- lineDst[1] = (uint8_t)(tmp >> 16);
- lineDst[2] = (uint8_t)(tmp >> 8);
- lineDst[3] = (uint8_t)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- } else {
- shift1 = s1 - d1;
- shift2 = 32 - shift1;
- for (yy = yd0; yy < yd1; yy++) {
- tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) |
- (JBIG2_GETDWORD(lineSrc + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (uint8_t)(tmp >> 24);
- lineDst[1] = (uint8_t)(tmp >> 16);
- lineDst[2] = (uint8_t)(tmp >> 8);
- lineDst[3] = (uint8_t)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- } else {
- if (s1 > d1) {
- shift1 = s1 - d1;
- shift2 = 32 - shift1;
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for (yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if (d1 != 0) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) |
- (JBIG2_GETDWORD(sp + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- for (xx = 0; xx < middleDwords; xx++) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) |
- (JBIG2_GETDWORD(sp + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- if (d2 != 0) {
- tmp1 =
- (JBIG2_GETDWORD(sp) << shift1) |
- (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >>
- shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else if (s1 == d1) {
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for (yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if (d1 != 0) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- for (xx = 0; xx < middleDwords; xx++) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- if (d2 != 0) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else {
- shift1 = d1 - s1;
- shift2 = 32 - shift1;
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for (yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if (d1 != 0) {
- tmp1 = JBIG2_GETDWORD(sp) >> shift1;
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- dp += 4;
- }
- for (xx = 0; xx < middleDwords; xx++) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift2) |
- ((JBIG2_GETDWORD(sp + 4)) >> shift1);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- sp += 4;
- dp += 4;
- }
- if (d2 != 0) {
- tmp1 =
- (JBIG2_GETDWORD(sp) << shift2) |
- (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >>
- shift1);
- tmp2 = JBIG2_GETDWORD(dp);
- switch (op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (uint8_t)(tmp >> 24);
- dp[1] = (uint8_t)(tmp >> 16);
- dp[2] = (uint8_t)(tmp >> 8);
- dp[3] = (uint8_t)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- }
- return 1;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 09:57:21 +0000