diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_page')
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page.cpp | 176 |
1 files changed, 116 insertions, 60 deletions
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page.cpp index 97b28574fc..85c785fd22 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page.cpp @@ -94,14 +94,17 @@ FX_RECT CPDF_PageObject::GetBBox(const CFX_AffineMatrix* pMatrix) const } return rect.GetOutterRect(); } + CPDF_TextObject::CPDF_TextObject() + : m_PosX(0), + m_PosY(0), + m_nChars(0), + m_pCharCodes(nullptr), + m_pCharPos(nullptr) { m_Type = PDFPAGE_TEXT; - m_pCharCodes = NULL; - m_pCharPos = NULL; - m_nChars = 0; - m_PosX = m_PosY = 0; } + CPDF_TextObject::~CPDF_TextObject() { if (m_nChars > 1 && m_pCharCodes) { @@ -111,9 +114,11 @@ CPDF_TextObject::~CPDF_TextObject() FX_Free(m_pCharPos); } } + void CPDF_TextObject::GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const { - pInfo->m_CharCode = m_nChars == 1 ? (FX_DWORD)(uintptr_t)m_pCharCodes : m_pCharCodes[index]; + pInfo->m_CharCode = + m_nChars == 1 ? (FX_DWORD)(uintptr_t)m_pCharCodes : m_pCharCodes[index]; pInfo->m_OriginX = index ? m_pCharPos[index - 1] : 0; pInfo->m_OriginY = 0; if (pInfo->m_CharCode == -1) { @@ -135,19 +140,23 @@ void CPDF_TextObject::GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const pInfo->m_OriginX -= fontsize * vx / 1000; pInfo->m_OriginY -= fontsize * vy / 1000; } + int CPDF_TextObject::CountChars() const { if (m_nChars == 1) { return 1; } int count = 0; - for (int i = 0; i < m_nChars; i ++) + for (int i = 0; i < m_nChars; ++i) if (m_pCharCodes[i] != (FX_DWORD) - 1) { - count ++; + ++count; } return count; } -void CPDF_TextObject::GetCharInfo(int index, FX_DWORD& charcode, FX_FLOAT& kerning) const + +void CPDF_TextObject::GetCharInfo(int index, + FX_DWORD& charcode, + FX_FLOAT& kerning) const { if (m_nChars == 1) { charcode = (FX_DWORD)(uintptr_t)m_pCharCodes; @@ -155,21 +164,23 @@ void CPDF_TextObject::GetCharInfo(int index, FX_DWORD& charcode, FX_FLOAT& kerni return; } int count = 0; - for (int i = 0; i < m_nChars; i ++) { + for (int i = 0; i < m_nChars; ++i) { if (m_pCharCodes[i] != (FX_DWORD) - 1) { if (count == index) { charcode = m_pCharCodes[i]; - if (i == m_nChars - 1 || m_pCharCodes[i + 1] != (FX_DWORD) - 1) { + if (i == m_nChars - 1 || + m_pCharCodes[i + 1] != (FX_DWORD) - 1) { kerning = 0; } else { kerning = m_pCharPos[i]; } return; } - count ++; + ++count; } } } + void CPDF_TextObject::GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const { if (m_nChars == 1) { @@ -177,7 +188,7 @@ void CPDF_TextObject::GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const return; } int count = 0; - for (int i = 0; i < m_nChars; i ++) { + for (int i = 0; i < m_nChars; ++i) { FX_DWORD charcode = m_pCharCodes[i]; if (charcode == (FX_DWORD) - 1) { continue; @@ -186,28 +197,29 @@ void CPDF_TextObject::GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const GetItemInfo(i, pInfo); break; } - count ++; + ++count; } } + void CPDF_TextObject::CopyData(const CPDF_PageObject* pSrc) { const CPDF_TextObject* pSrcObj = (const CPDF_TextObject*)pSrc; if (m_nChars > 1 && m_pCharCodes) { FX_Free(m_pCharCodes); - m_pCharCodes = NULL; + m_pCharCodes = nullptr; } if (m_pCharPos) { FX_Free(m_pCharPos); - m_pCharPos = NULL; + m_pCharPos = nullptr; } m_nChars = pSrcObj->m_nChars; if (m_nChars > 1) { m_pCharCodes = FX_Alloc(FX_DWORD, m_nChars); m_pCharPos = FX_Alloc(FX_FLOAT, m_nChars - 1); - for (int i = 0; i < m_nChars; i ++) { + for (int i = 0; i < m_nChars; ++i) { m_pCharCodes[i] = pSrcObj->m_pCharCodes[i]; } - for (int i = 0; i < m_nChars - 1; i ++) { + for (int i = 0; i < m_nChars - 1; ++i) { m_pCharPos[i] = pSrcObj->m_pCharPos[i]; } } else { @@ -216,24 +228,33 @@ void CPDF_TextObject::CopyData(const CPDF_PageObject* pSrc) m_PosX = pSrcObj->m_PosX; m_PosY = pSrcObj->m_PosY; } + void CPDF_TextObject::GetTextMatrix(CFX_AffineMatrix* pMatrix) const { FX_FLOAT* pTextMatrix = m_TextState.GetMatrix(); - pMatrix->Set(pTextMatrix[0], pTextMatrix[2], pTextMatrix[1], pTextMatrix[3], m_PosX, m_PosY); + pMatrix->Set(pTextMatrix[0], + pTextMatrix[2], + pTextMatrix[1], + pTextMatrix[3], + m_PosX, + m_PosY); } -void CPDF_TextObject::SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nsegs) + +void CPDF_TextObject::SetSegments(const CFX_ByteString* pStrs, + FX_FLOAT* pKerning, + int nsegs) { if (m_nChars > 1 && m_pCharCodes) { FX_Free(m_pCharCodes); - m_pCharCodes = NULL; + m_pCharCodes = nullptr; } if (m_pCharPos) { FX_Free(m_pCharPos); - m_pCharPos = NULL; + m_pCharPos = nullptr; } CPDF_Font* pFont = m_TextState.GetFont(); m_nChars = 0; - for (int i = 0; i < nsegs; i ++) { + for (int i = 0; i < nsegs; ++i) { m_nChars += pFont->CountChar(pStrs[i], pStrs[i].GetLength()); } m_nChars += nsegs - 1; @@ -241,27 +262,33 @@ void CPDF_TextObject::SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKernin m_pCharCodes = FX_Alloc(FX_DWORD, m_nChars); m_pCharPos = FX_Alloc(FX_FLOAT, m_nChars - 1); int index = 0; - for (int i = 0; i < nsegs; i ++) { + for (int i = 0; i < nsegs; ++i) { const FX_CHAR* segment = pStrs[i]; int offset = 0, len = pStrs[i].GetLength(); while (offset < len) { - m_pCharCodes[index++] = pFont->GetNextChar(segment, len, offset); + m_pCharCodes[index++] = + pFont->GetNextChar(segment, len, offset); } if (i != nsegs - 1) { m_pCharPos[index - 1] = pKerning[i]; - m_pCharCodes[index ++] = (FX_DWORD) - 1; + m_pCharCodes[index++] = (FX_DWORD) - 1; } } } else { int offset = 0; - m_pCharCodes = (FX_DWORD*)(uintptr_t)pFont->GetNextChar(pStrs[0], pStrs[0].GetLength(), offset); + m_pCharCodes = + (FX_DWORD*)(uintptr_t)pFont->GetNextChar(pStrs[0], + pStrs[0].GetLength(), + offset); } } + void CPDF_TextObject::SetText(const CFX_ByteString& str) { - SetSegments(&str, NULL, 1); + SetSegments(&str, nullptr, 1); RecalcPositionData(); } + void CPDF_TextObject::SetEmpty() { if (m_nChars > 1 && m_pCharCodes) { @@ -271,43 +298,49 @@ void CPDF_TextObject::SetEmpty() FX_Free(m_pCharPos); } m_nChars = 0; - m_pCharCodes = NULL; - m_pCharPos = NULL; + m_pCharCodes = nullptr; + m_pCharPos = nullptr; m_Left = m_Right = m_PosX; m_Top = m_Bottom = m_PosY; } -void CPDF_TextObject::SetText(CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs) + +void CPDF_TextObject::SetText(CFX_ByteString* pStrs, + FX_FLOAT* pKerning, + int nSegs) { SetSegments(pStrs, pKerning, nSegs); RecalcPositionData(); } -void CPDF_TextObject::SetText(int nChars, FX_DWORD* pCharCodes, FX_FLOAT* pKernings) + +void CPDF_TextObject::SetText(int nChars, + FX_DWORD* pCharCodes, + FX_FLOAT* pKernings) { if (m_nChars > 1 && m_pCharCodes) { FX_Free(m_pCharCodes); - m_pCharCodes = NULL; + m_pCharCodes = nullptr; } if (m_pCharPos) { FX_Free(m_pCharPos); - m_pCharPos = NULL; + m_pCharPos = nullptr; } int nKernings = 0; int i; - for (i = 0; i < nChars - 1; i ++) + for (i = 0; i < nChars - 1; ++i) { if (pKernings[i] != 0) { - nKernings ++; + ++nKernings; } + } m_nChars = nChars + nKernings; if (m_nChars > 1) { m_pCharCodes = FX_Alloc(FX_DWORD, m_nChars); m_pCharPos = FX_Alloc(FX_FLOAT, m_nChars - 1); - int index = 0; - for (int i = 0; i < nChars; i ++) { + for (int i = 0, index = 0; i < nChars; ++i) { m_pCharCodes[index++] = pCharCodes[i]; if (pKernings[i] != 0 && i != nChars - 1) { m_pCharCodes[index] = (FX_DWORD) - 1; m_pCharPos[index - 1] = pKernings[i]; - index ++; + ++index; } } } else { @@ -315,6 +348,7 @@ void CPDF_TextObject::SetText(int nChars, FX_DWORD* pCharCodes, FX_FLOAT* pKerni } RecalcPositionData(); } + FX_FLOAT CPDF_TextObject::GetCharWidth(FX_DWORD charcode) const { FX_FLOAT fontsize = m_TextState.GetFontSize() / 1000; @@ -324,13 +358,13 @@ FX_FLOAT CPDF_TextObject::GetCharWidth(FX_DWORD charcode) const if (pCIDFont) { bVertWriting = pCIDFont->IsVertWriting(); } - if (!bVertWriting) { + if (!bVertWriting) return pFont->GetCharWidthF(charcode, 0) * fontsize; - } else { - FX_WORD CID = pCIDFont->CIDFromCharCode(charcode); - return pCIDFont->GetVertWidth(CID) * fontsize; - } + + FX_WORD CID = pCIDFont->CIDFromCharCode(charcode); + return pCIDFont->GetVertWidth(CID) * fontsize; } + FX_FLOAT CPDF_TextObject::GetSpaceCharWidth() const { CPDF_Font* pFont = m_TextState.GetFont(); @@ -346,9 +380,11 @@ FX_FLOAT CPDF_TextObject::GetSpaceCharWidth() const } FX_RECT fontRect; pFont->GetFontBBox(fontRect); - fontSize *= bVertWriting ? (FX_FLOAT)fontRect.Height() : (FX_FLOAT)fontRect.Width(); + fontSize *= bVertWriting ? + (FX_FLOAT)fontRect.Height() : (FX_FLOAT)fontRect.Width(); return fontSize; } + void CPDF_TextObject::GetCharRect(int index, CFX_FloatRect& rect) const { CPDF_Font* pFont = m_TextState.GetFont(); @@ -359,13 +395,14 @@ void CPDF_TextObject::GetCharRect(int index, CFX_FloatRect& rect) const } FX_FLOAT fontsize = m_TextState.GetFontSize() / 1000; int count = 0; - for (int i = 0; i < m_nChars; i ++) { - FX_DWORD charcode = m_nChars == 1 ? (FX_DWORD)(uintptr_t)m_pCharCodes : m_pCharCodes[i]; + for (int i = 0; i < m_nChars; ++i) { + FX_DWORD charcode = m_nChars == 1 ? + (FX_DWORD)(uintptr_t)m_pCharCodes : m_pCharCodes[i]; if (charcode == (FX_DWORD) - 1) { continue; } - if( count != index) { - count++; + if (count != index) { + ++count; continue; } FX_FLOAT curpos = i > 0 ? m_pCharPos[i - 1] : 0; @@ -392,10 +429,17 @@ void CPDF_TextObject::GetCharRect(int index, CFX_FloatRect& rect) const return; } } -void CPDF_TextObject::CalcPositionData(FX_FLOAT* pTextAdvanceX, FX_FLOAT* pTextAdvanceY, FX_FLOAT horz_scale, int level) + +void CPDF_TextObject::CalcPositionData(FX_FLOAT* pTextAdvanceX, + FX_FLOAT* pTextAdvanceY, + FX_FLOAT horz_scale, + int level) { FX_FLOAT curpos = 0; - FX_FLOAT min_x = 10000 * 1.0f, max_x = -10000 * 1.0f, min_y = 10000 * 1.0f, max_y = -10000 * 1.0f; + FX_FLOAT min_x = 10000 * 1.0f; + FX_FLOAT max_x = -10000 * 1.0f; + FX_FLOAT min_y = 10000 * 1.0f; + FX_FLOAT max_y = -10000 * 1.0f; CPDF_Font* pFont = m_TextState.GetFont(); FX_BOOL bVertWriting = FALSE; CPDF_CIDFont* pCIDFont = pFont->GetCIDFont(); @@ -403,8 +447,9 @@ void CPDF_TextObject::CalcPositionData(FX_FLOAT* pTextAdvanceX, FX_FLOAT* pTextA bVertWriting = pCIDFont->IsVertWriting(); } FX_FLOAT fontsize = m_TextState.GetFontSize(); - for (int i = 0; i < m_nChars; i ++) { - FX_DWORD charcode = m_nChars == 1 ? (FX_DWORD)(uintptr_t)m_pCharCodes : m_pCharCodes[i]; + for (int i = 0; i < m_nChars; ++i) { + FX_DWORD charcode = m_nChars == 1 ? + (FX_DWORD)(uintptr_t)m_pCharCodes : m_pCharCodes[i]; if (charcode == (FX_DWORD) - 1) { curpos -= FXSYS_Mul(m_pCharPos[i - 1], fontsize) / 1000; continue; @@ -445,7 +490,8 @@ void CPDF_TextObject::CalcPositionData(FX_FLOAT* pTextAdvanceX, FX_FLOAT* pTextA charwidth = pFont->GetCharWidthF(charcode, level) * fontsize / 1000; } else { FX_WORD CID = pCIDFont->CIDFromCharCode(charcode); - short vx, vy; + short vx; + short vy; pCIDFont->GetVertOrigin(CID, vx, vy); char_rect.left -= vx; char_rect.right -= vx; @@ -480,7 +526,7 @@ void CPDF_TextObject::CalcPositionData(FX_FLOAT* pTextAdvanceX, FX_FLOAT* pTextA charwidth = pCIDFont->GetVertWidth(CID) * fontsize / 1000; } curpos += charwidth; - if (charcode == ' ' && (pCIDFont == NULL || pCIDFont->GetCharSize(32) == 1)) { + if (charcode == ' ' && (!pCIDFont || pCIDFont->GetCharSize(32) == 1)) { curpos += m_TextState.GetObject()->m_WordSpace; } curpos += m_TextState.GetObject()->m_CharSpace; @@ -520,6 +566,7 @@ void CPDF_TextObject::CalcPositionData(FX_FLOAT* pTextAdvanceX, FX_FLOAT* pTextA m_Bottom -= half_width; } } + void CPDF_TextObject::CalcCharPos(FX_FLOAT* pPosArray) const { CPDF_Font* pFont = m_TextState.GetFont(); @@ -529,9 +576,9 @@ void CPDF_TextObject::CalcCharPos(FX_FLOAT* pPosArray) const bVertWriting = pCIDFont->IsVertWriting(); } FX_FLOAT fontsize = m_TextState.GetFontSize(); - int index = 0; - for (int i = 0; i < m_nChars; i ++) { - FX_DWORD charcode = m_nChars == 1 ? (FX_DWORD)(uintptr_t)m_pCharCodes : m_pCharCodes[i]; + for (int i = 0, index = 0; i < m_nChars; ++i) { + FX_DWORD charcode = m_nChars == 1 ? + (FX_DWORD)(uintptr_t)m_pCharCodes : m_pCharCodes[i]; if (charcode == (FX_DWORD) - 1) { continue; } @@ -547,6 +594,7 @@ void CPDF_TextObject::CalcCharPos(FX_FLOAT* pPosArray) const index++; } } + void CPDF_TextObject::Transform(const CFX_AffineMatrix& matrix) { m_TextState.GetModify(); @@ -560,8 +608,9 @@ void CPDF_TextObject::Transform(const CFX_AffineMatrix& matrix) pTextMatrix[3] = text_matrix.GetD(); m_PosX = text_matrix.GetE(); m_PosY = text_matrix.GetF(); - CalcPositionData(NULL, NULL, 0); + CalcPositionData(nullptr, nullptr, 0); } + void CPDF_TextObject::SetPosition(FX_FLOAT x, FX_FLOAT y) { FX_FLOAT dx = x - m_PosX; @@ -573,7 +622,12 @@ void CPDF_TextObject::SetPosition(FX_FLOAT x, FX_FLOAT y) m_Top += dy; m_Bottom += dy; } -void CPDF_TextObject::SetData(int nChars, FX_DWORD* pCharCodes, FX_FLOAT* pCharPos, FX_FLOAT x, FX_FLOAT y) + +void CPDF_TextObject::SetData(int nChars, + FX_DWORD* pCharCodes, + FX_FLOAT* pCharPos, + FX_FLOAT x, + FX_FLOAT y) { ASSERT(m_nChars == 0); m_nChars = nChars; @@ -592,11 +646,13 @@ void CPDF_TextObject::SetData(int nChars, FX_DWORD* pCharCodes, FX_FLOAT* pCharP } RecalcPositionData(); } + void CPDF_TextObject::SetTextState(CPDF_TextState TextState) { m_TextState = TextState; - CalcPositionData(NULL, NULL, 0); + CalcPositionData(nullptr, nullptr, 0); } + CPDF_ShadingObject::CPDF_ShadingObject() { m_pShading = NULL; |