From 85f019a8e7d33cbba368a6c6b75fd091269e14a1 Mon Sep 17 00:00:00 2001 From: Lei Zhang Date: Fri, 17 Mar 2017 15:14:19 -0700 Subject: Add pdfium::clamp() as a placeholder for std::clamp(). Ue it to fix a typo as well. BUG=pdfium:634 Change-Id: I2d686242ffb841aedc2fae6a3cf7a00bea667404 Reviewed-on: https://pdfium-review.googlesource.com/3113 Commit-Queue: Lei Zhang Reviewed-by: Tom Sepez --- core/fpdfapi/font/cpdf_cidfont.cpp | 9 +++++---- core/fpdfapi/page/cpdf_allstates.cpp | 15 +++++---------- core/fpdfapi/page/cpdf_colorspace.cpp | 12 +++++++----- core/fpdfapi/page/fpdf_page_colors.cpp | 3 ++- core/fpdfapi/page/fpdf_page_func.cpp | 24 +++++++++++------------- core/fpdfapi/render/cpdf_imagerenderer.cpp | 7 ++++--- core/fpdfdoc/cpdf_variabletext.cpp | 4 ++-- core/fpdfdoc/csection.cpp | 13 +++++-------- core/fxcodec/codec/fx_codec_fax.cpp | 3 ++- core/fxcrt/fx_basic_bstring.cpp | 5 +++-- core/fxcrt/fx_basic_wstring.cpp | 5 +++-- core/fxge/agg/fx_agg_driver.cpp | 5 +++-- core/fxge/dib/fx_dib_engine.cpp | 3 ++- 13 files changed, 54 insertions(+), 54 deletions(-) (limited to 'core') diff --git a/core/fpdfapi/font/cpdf_cidfont.cpp b/core/fpdfapi/font/cpdf_cidfont.cpp index 4c378f7598..217a6eaf2e 100644 --- a/core/fpdfapi/font/cpdf_cidfont.cpp +++ b/core/fpdfapi/font/cpdf_cidfont.cpp @@ -21,6 +21,7 @@ #include "core/fpdfapi/parser/cpdf_stream_acc.h" #include "third_party/base/numerics/safe_math.h" #include "third_party/base/ptr_util.h" +#include "third_party/base/stl_util.h" namespace { @@ -450,10 +451,10 @@ FX_RECT CPDF_CIDFont::GetCharBBox(uint32_t charcode) { if (!err) { FXFT_BBox cbox; FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox); - cbox.xMin = std::min(std::max(cbox.xMin, kMinCBox), kMaxCBox); - cbox.xMax = std::min(std::max(cbox.xMax, kMinCBox), kMaxCBox); - cbox.yMin = std::min(std::max(cbox.yMin, kMinCBox), kMaxCBox); - cbox.yMax = std::min(std::max(cbox.yMax, kMinCBox), kMaxCBox); + cbox.xMin = pdfium::clamp(cbox.xMin, kMinCBox, kMaxCBox); + cbox.xMax = pdfium::clamp(cbox.xMax, kMinCBox, kMaxCBox); + cbox.yMin = pdfium::clamp(cbox.yMin, kMinCBox, kMaxCBox); + cbox.yMax = pdfium::clamp(cbox.yMax, kMinCBox, kMaxCBox); int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem; int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem; if (pixel_size_x == 0 || pixel_size_y == 0) { diff --git a/core/fpdfapi/page/cpdf_allstates.cpp b/core/fpdfapi/page/cpdf_allstates.cpp index a30696e8b7..c67d3152c0 100644 --- a/core/fpdfapi/page/cpdf_allstates.cpp +++ b/core/fpdfapi/page/cpdf_allstates.cpp @@ -14,14 +14,7 @@ #include "core/fpdfapi/parser/cpdf_array.h" #include "core/fpdfapi/parser/cpdf_dictionary.h" #include "core/fxge/cfx_graphstatedata.h" - -namespace { - -float ClipFloat(float f) { - return std::max(0.0f, std::min(1.0f, f)); -} - -} // namespace +#include "third_party/base/stl_util.h" CPDF_AllStates::CPDF_AllStates() : m_TextLeading(0), m_TextRise(0), m_TextHorzScale(1.0f) {} @@ -117,10 +110,12 @@ void CPDF_AllStates::ProcessExtGS(CPDF_Dictionary* pGS, } break; case FXBSTR_ID('C', 'A', 0, 0): - m_GeneralState.SetStrokeAlpha(ClipFloat(pObject->GetNumber())); + m_GeneralState.SetStrokeAlpha( + pdfium::clamp(pObject->GetNumber(), 0.0f, 1.0f)); break; case FXBSTR_ID('c', 'a', 0, 0): - m_GeneralState.SetFillAlpha(ClipFloat(pObject->GetNumber())); + m_GeneralState.SetFillAlpha( + pdfium::clamp(pObject->GetNumber(), 0.0f, 1.0f)); break; case FXBSTR_ID('O', 'P', 0, 0): m_GeneralState.SetStrokeOP(!!pObject->GetInteger()); diff --git a/core/fpdfapi/page/cpdf_colorspace.cpp b/core/fpdfapi/page/cpdf_colorspace.cpp index 1aaa1440a4..cc4afa55c9 100644 --- a/core/fpdfapi/page/cpdf_colorspace.cpp +++ b/core/fpdfapi/page/cpdf_colorspace.cpp @@ -24,6 +24,7 @@ #include "core/fxcodec/fx_codec.h" #include "core/fxcrt/cfx_maybe_owned.h" #include "core/fxcrt/fx_memory.h" +#include "third_party/base/stl_util.h" namespace { @@ -227,7 +228,7 @@ class CPDF_DeviceNCS : public CPDF_ColorSpace { }; float RGB_Conversion(float colorComponent) { - colorComponent = std::min(std::max(colorComponent, 0.0f), 1.0f); + colorComponent = pdfium::clamp(colorComponent, 0.0f, 1.0f); int scale = std::max(static_cast(colorComponent * 1023), 0); if (scale < 192) return g_sRGBSamples1[scale] / 255.0f; @@ -686,11 +687,12 @@ void CPDF_LabCS::GetDefaultValue(int iComponent, *min = 0.0f; *max = 100 * 1.0f; *value = 0.0f; - } else { - *min = m_Ranges[iComponent * 2 - 2]; - *max = m_Ranges[iComponent * 2 - 1]; - *value = std::min(std::max(0.0f, *min), *max); + return; } + + *min = m_Ranges[iComponent * 2 - 2]; + *max = m_Ranges[iComponent * 2 - 1]; + *value = pdfium::clamp(0.0f, *min, *max); } bool CPDF_LabCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { diff --git a/core/fpdfapi/page/fpdf_page_colors.cpp b/core/fpdfapi/page/fpdf_page_colors.cpp index e69620ea9a..adee5ff84b 100644 --- a/core/fpdfapi/page/fpdf_page_colors.cpp +++ b/core/fpdfapi/page/fpdf_page_colors.cpp @@ -18,11 +18,12 @@ #include "core/fpdfapi/parser/cpdf_stream_acc.h" #include "core/fpdfapi/parser/cpdf_string.h" #include "core/fxcodec/fx_codec.h" +#include "third_party/base/stl_util.h" namespace { float NormalizeChannel(float fVal) { - return std::min(std::max(fVal, 0.0f), 1.0f); + return pdfium::clamp(fVal, 0.0f, 1.0f); } bool DetectSRGB(const uint8_t* pData, uint32_t dwSize) { diff --git a/core/fpdfapi/page/fpdf_page_func.cpp b/core/fpdfapi/page/fpdf_page_func.cpp index 94695daca2..30f3b895d4 100644 --- a/core/fpdfapi/page/fpdf_page_func.cpp +++ b/core/fpdfapi/page/fpdf_page_func.cpp @@ -21,6 +21,7 @@ #include "core/fpdfapi/parser/cpdf_stream_acc.h" #include "core/fxcrt/fx_safe_types.h" #include "third_party/base/ptr_util.h" +#include "third_party/base/stl_util.h" namespace { @@ -541,8 +542,8 @@ bool CPDF_SampledFunc::v_Call(float* inputs, float* results) const { encoded_input[i] = PDF_Interpolate(inputs[i], m_pDomains[i * 2], m_pDomains[i * 2 + 1], m_EncodeInfo[i].encode_min, m_EncodeInfo[i].encode_max); - index[i] = std::min((uint32_t)std::max(0.f, encoded_input[i]), - m_EncodeInfo[i].sizes - 1); + index[i] = pdfium::clamp(static_cast(encoded_input[i]), 0U, + m_EncodeInfo[i].sizes - 1); pos += index[i] * blocksize[i]; } FX_SAFE_INT32 bits_to_output = m_nOutputs; @@ -816,19 +817,16 @@ bool CPDF_Function::Call(float* inputs, *nresults = m_nOutputs; for (uint32_t 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; + inputs[i] = + pdfium::clamp(inputs[i], m_pDomains[i * 2], m_pDomains[i * 2 + 1]); } v_Call(inputs, results); - if (m_pRanges) { - for (uint32_t 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]; - } + if (!m_pRanges) + return true; + + for (uint32_t i = 0; i < m_nOutputs; i++) { + results[i] = + pdfium::clamp(results[i], m_pRanges[i * 2], m_pRanges[i * 2 + 1]); } return true; } diff --git a/core/fpdfapi/render/cpdf_imagerenderer.cpp b/core/fpdfapi/render/cpdf_imagerenderer.cpp index 7903ad4a62..d3778452a3 100644 --- a/core/fpdfapi/render/cpdf_imagerenderer.cpp +++ b/core/fpdfapi/render/cpdf_imagerenderer.cpp @@ -30,6 +30,7 @@ #include "core/fxge/cfx_fxgedevice.h" #include "core/fxge/cfx_pathdata.h" #include "third_party/base/ptr_util.h" +#include "third_party/base/stl_util.h" #ifdef _SKIA_SUPPORT_ #include "core/fxge/skia/fx_skia_device.h" @@ -273,11 +274,11 @@ void CPDF_ImageRenderer::CalculateDrawImage(CFX_FxgeDevice* pBitmapDevice1, continue; } int orig = (*dest_scan - matte_b) * 255 / alpha + matte_b; - *dest_scan++ = std::min(std::max(orig, 0), 255); + *dest_scan++ = pdfium::clamp(orig, 0, 255); orig = (*dest_scan - matte_g) * 255 / alpha + matte_g; - *dest_scan++ = std::min(std::max(orig, 0), 255); + *dest_scan++ = pdfium::clamp(orig, 0, 255); orig = (*dest_scan - matte_r) * 255 / alpha + matte_r; - *dest_scan++ = std::min(std::max(orig, 0), 255); + *dest_scan++ = pdfium::clamp(orig, 0, 255); dest_scan++; } } diff --git a/core/fpdfdoc/cpdf_variabletext.cpp b/core/fpdfdoc/cpdf_variabletext.cpp index d5333192f5..dcd3a0785a 100644 --- a/core/fpdfdoc/cpdf_variabletext.cpp +++ b/core/fpdfdoc/cpdf_variabletext.cpp @@ -699,7 +699,7 @@ CPVT_WordPlace CPDF_VariableText::AddSection(const CPVT_WordPlace& place, return place; int32_t nSecIndex = - std::max(std::min(place.nSecIndex, m_SectionArray.GetSize()), 0); + pdfium::clamp(place.nSecIndex, 0, m_SectionArray.GetSize()); CSection* pSection = new CSection(this); pSection->m_SecInfo = secinfo; pSection->SecPlace.nSecIndex = nSecIndex; @@ -727,7 +727,7 @@ CPVT_WordPlace CPDF_VariableText::AddWord(const CPVT_WordPlace& place, } CPVT_WordPlace newplace = place; newplace.nSecIndex = - std::max(std::min(newplace.nSecIndex, m_SectionArray.GetSize() - 1), 0); + pdfium::clamp(newplace.nSecIndex, 0, m_SectionArray.GetSize() - 1); if (CSection* pSection = m_SectionArray.GetAt(newplace.nSecIndex)) return pSection->AddWord(newplace, wordinfo); return place; diff --git a/core/fpdfdoc/csection.cpp b/core/fpdfdoc/csection.cpp index 981f6d0b54..0c7825585c 100644 --- a/core/fpdfdoc/csection.cpp +++ b/core/fpdfdoc/csection.cpp @@ -29,9 +29,8 @@ void CSection::ResetLineArray() { } void CSection::ResetWordArray() { - for (int32_t i = 0, sz = m_WordArray.GetSize(); i < sz; i++) { + for (int32_t i = 0, sz = m_WordArray.GetSize(); i < sz; i++) delete m_WordArray.GetAt(i); - } m_WordArray.RemoveAll(); } @@ -47,12 +46,11 @@ CPVT_WordPlace CSection::AddWord(const CPVT_WordPlace& place, const CPVT_WordInfo& wordinfo) { CPVT_WordInfo* pWord = new CPVT_WordInfo(wordinfo); int32_t nWordIndex = - std::max(std::min(place.nWordIndex, m_WordArray.GetSize()), 0); - if (nWordIndex == m_WordArray.GetSize()) { + pdfium::clamp(place.nWordIndex, 0, m_WordArray.GetSize()); + if (nWordIndex == m_WordArray.GetSize()) m_WordArray.Add(pWord); - } else { + else m_WordArray.InsertAt(nWordIndex, pWord); - } return place; } @@ -62,9 +60,8 @@ CPVT_WordPlace CSection::AddLine(const CPVT_LineInfo& lineinfo) { } CPVT_FloatRect CSection::Rearrange() { - if (m_pVT->m_nCharArray > 0) { + if (m_pVT->m_nCharArray > 0) return CTypeset(this).CharArray(); - } return CTypeset(this).Typeset(); } diff --git a/core/fxcodec/codec/fx_codec_fax.cpp b/core/fxcodec/codec/fx_codec_fax.cpp index 46792a6003..7865da925e 100644 --- a/core/fxcodec/codec/fx_codec_fax.cpp +++ b/core/fxcodec/codec/fx_codec_fax.cpp @@ -12,6 +12,7 @@ #include "core/fxcodec/fx_codec.h" #include "core/fxcrt/fx_memory.h" #include "third_party/base/ptr_util.h" +#include "third_party/base/stl_util.h" namespace { @@ -104,7 +105,7 @@ void FaxG4FindB1B2(const std::vector& ref_buf, void FaxFillBits(uint8_t* dest_buf, int columns, int startpos, int endpos) { startpos = std::max(startpos, 0); - endpos = std::min(std::max(endpos, 0), columns); + endpos = pdfium::clamp(endpos, 0, columns); if (startpos >= endpos) return; diff --git a/core/fxcrt/fx_basic_bstring.cpp b/core/fxcrt/fx_basic_bstring.cpp index b4eb4a75e0..f049b14c3a 100644 --- a/core/fxcrt/fx_basic_bstring.cpp +++ b/core/fxcrt/fx_basic_bstring.cpp @@ -12,6 +12,7 @@ #include "core/fxcrt/cfx_string_pool_template.h" #include "core/fxcrt/fx_basic.h" #include "third_party/base/numerics/safe_math.h" +#include "third_party/base/stl_util.h" template class CFX_StringDataTemplate; template class CFX_StringCTemplate; @@ -405,8 +406,8 @@ CFX_ByteString CFX_ByteString::Mid(FX_STRSIZE nFirst, FX_STRSIZE nCount) const { if (!m_pData) return CFX_ByteString(); - nFirst = std::min(std::max(nFirst, 0), m_pData->m_nDataLength); - nCount = std::min(std::max(nCount, 0), m_pData->m_nDataLength - nFirst); + nFirst = pdfium::clamp(nFirst, 0, m_pData->m_nDataLength); + nCount = pdfium::clamp(nCount, 0, m_pData->m_nDataLength - nFirst); if (nCount == 0) return CFX_ByteString(); diff --git a/core/fxcrt/fx_basic_wstring.cpp b/core/fxcrt/fx_basic_wstring.cpp index 8522d42a38..384b0b0086 100644 --- a/core/fxcrt/fx_basic_wstring.cpp +++ b/core/fxcrt/fx_basic_wstring.cpp @@ -13,6 +13,7 @@ #include "core/fxcrt/fx_basic.h" #include "core/fxcrt/fx_ext.h" #include "third_party/base/numerics/safe_math.h" +#include "third_party/base/stl_util.h" template class CFX_StringDataTemplate; template class CFX_StringCTemplate; @@ -375,8 +376,8 @@ CFX_WideString CFX_WideString::Mid(FX_STRSIZE nFirst, FX_STRSIZE nCount) const { if (!m_pData) return CFX_WideString(); - nFirst = std::min(std::max(nFirst, 0), m_pData->m_nDataLength); - nCount = std::min(std::max(nCount, 0), m_pData->m_nDataLength - nFirst); + nFirst = pdfium::clamp(nFirst, 0, m_pData->m_nDataLength); + nCount = pdfium::clamp(nCount, 0, m_pData->m_nDataLength - nFirst); if (nCount == 0) return CFX_WideString(); diff --git a/core/fxge/agg/fx_agg_driver.cpp b/core/fxge/agg/fx_agg_driver.cpp index 4534ee1425..b435c032bc 100644 --- a/core/fxge/agg/fx_agg_driver.cpp +++ b/core/fxge/agg/fx_agg_driver.cpp @@ -24,14 +24,15 @@ #include "third_party/agg23/agg_renderer_scanline.h" #include "third_party/agg23/agg_scanline_u.h" #include "third_party/base/ptr_util.h" +#include "third_party/base/stl_util.h" namespace { const float kMaxPos = 32000.0f; CFX_PointF HardClip(const CFX_PointF& pos) { - return CFX_PointF(std::max(std::min(pos.x, kMaxPos), -kMaxPos), - std::max(std::min(pos.y, kMaxPos), -kMaxPos)); + return CFX_PointF(pdfium::clamp(pos.x, -kMaxPos, kMaxPos), + pdfium::clamp(pos.y, -kMaxPos, kMaxPos)); } void RgbByteOrderSetPixel(CFX_DIBitmap* pBitmap, int x, int y, uint32_t argb) { diff --git a/core/fxge/dib/fx_dib_engine.cpp b/core/fxge/dib/fx_dib_engine.cpp index 8d90a72401..5975a5e975 100644 --- a/core/fxge/dib/fx_dib_engine.cpp +++ b/core/fxge/dib/fx_dib_engine.cpp @@ -11,6 +11,7 @@ #include "core/fxge/dib/dib_int.h" #include "core/fxge/fx_dib.h" #include "third_party/base/ptr_util.h" +#include "third_party/base/stl_util.h" namespace { @@ -984,7 +985,7 @@ bool CFX_ImageStretcher::ContinueQuickStretch(IFX_Pause* pPause) { dest_y = m_LineIndex; src_y = (dest_y + m_ClipRect.top) * src_height / m_DestHeight; } - src_y = std::max(std::min(src_y, src_height - 1), 0); + src_y = pdfium::clamp(src_y, 0, src_height - 1); if (m_pSource->SkipToScanline(src_y, pPause)) return true; 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