/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace css; namespace svx { CommonStylePreviewRenderer::CommonStylePreviewRenderer( const SfxObjectShell& rShell, OutputDevice& rOutputDev, SfxStyleSheetBase* pStyle, tools::Long nMaxHeight) : StylePreviewRenderer(rShell, rOutputDev, pStyle, nMaxHeight) , maFontColor(COL_AUTO) , maHighlightColor(COL_AUTO) , maBackgroundColor(COL_AUTO) , mnHeight(0) , mnBaseLine(0) , maStyleName(mpStyle->GetName()) { } CommonStylePreviewRenderer::~CommonStylePreviewRenderer() {} static bool GetWhich(const SfxItemSet& rSet, sal_uInt16 nSlot, sal_uInt16& rWhich) { rWhich = rSet.GetPool()->GetWhich(nSlot); return rSet.GetItemState(rWhich) >= SfxItemState::DEFAULT; } static bool SetFont(const SfxItemSet& rSet, sal_uInt16 nSlot, SvxFont& rFont) { sal_uInt16 nWhich; if (GetWhich(rSet, nSlot, nWhich)) { const auto& rFontItem = static_cast(rSet.Get(nWhich)); rFont.SetFamily(rFontItem.GetFamily()); rFont.SetFamilyName(rFontItem.GetFamilyName()); rFont.SetPitch(rFontItem.GetPitch()); rFont.SetCharSet(rFontItem.GetCharSet()); rFont.SetStyleName(rFontItem.GetStyleName()); rFont.SetAlignment(ALIGN_BASELINE); return true; } return false; } bool CommonStylePreviewRenderer::SetFontSize(const SfxItemSet& rSet, sal_uInt16 nSlot, SvxFont& rFont) { sal_uInt16 nWhich; if (GetWhich(rSet, nSlot, nWhich)) { const auto& rFontHeightItem = static_cast(rSet.Get(nWhich)); Size aFontSize(0, rFontHeightItem.GetHeight()); aFontSize = mrOutputDev.LogicToPixel(aFontSize, MapMode(mrShell.GetMapUnit())); rFont.SetFontSize(aFontSize); mrOutputDev.SetFont(rFont); FontMetric aMetric(mrOutputDev.GetFontMetric()); return true; } return false; } bool CommonStylePreviewRenderer::recalculate() { m_oFont.reset(); m_oCJKFont.reset(); m_oCTLFont.reset(); std::optional pItemSet(mpStyle->GetItemSetForPreview()); if (!pItemSet) return false; SvxFont aFont; SvxFont aCJKFont; SvxFont aCTLFont; const SfxPoolItem* pItem; if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_WEIGHT)) != nullptr) aFont.SetWeight(static_cast(pItem)->GetWeight()); if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_CJK_WEIGHT)) != nullptr) aCJKFont.SetWeight(static_cast(pItem)->GetWeight()); if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_CTL_WEIGHT)) != nullptr) aCTLFont.SetWeight(static_cast(pItem)->GetWeight()); if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_POSTURE)) != nullptr) aFont.SetItalic(static_cast(pItem)->GetPosture()); if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_CJK_POSTURE)) != nullptr) aCJKFont.SetItalic(static_cast(pItem)->GetPosture()); if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_CTL_POSTURE)) != nullptr) aCTLFont.SetItalic(static_cast(pItem)->GetPosture()); if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_CONTOUR)) != nullptr) { auto aVal = static_cast(pItem)->GetValue(); aFont.SetOutline(aVal); aCJKFont.SetOutline(aVal); aCTLFont.SetOutline(aVal); } if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_SHADOWED)) != nullptr) { auto aVal = static_cast(pItem)->GetValue(); aFont.SetShadow(aVal); aCJKFont.SetShadow(aVal); aCTLFont.SetShadow(aVal); } if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_RELIEF)) != nullptr) { auto aVal = static_cast(pItem)->GetValue(); aFont.SetRelief(aVal); aCJKFont.SetRelief(aVal); aCTLFont.SetRelief(aVal); } if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_UNDERLINE)) != nullptr) { auto aVal = static_cast(pItem)->GetLineStyle(); aFont.SetUnderline(aVal); aCJKFont.SetUnderline(aVal); aCTLFont.SetUnderline(aVal); } if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_OVERLINE)) != nullptr) { auto aVal = static_cast(pItem)->GetValue(); aFont.SetOverline(aVal); aCJKFont.SetOverline(aVal); aCTLFont.SetOverline(aVal); } if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_STRIKEOUT)) != nullptr) { auto aVal = static_cast(pItem)->GetStrikeout(); aFont.SetStrikeout(aVal); aCJKFont.SetStrikeout(aVal); aCTLFont.SetStrikeout(aVal); } if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_CASEMAP)) != nullptr) { auto aVal = static_cast(pItem)->GetCaseMap(); aFont.SetCaseMap(aVal); aCJKFont.SetCaseMap(aVal); aCTLFont.SetCaseMap(aVal); } if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_EMPHASISMARK)) != nullptr) { auto aVal = static_cast(pItem)->GetEmphasisMark(); aFont.SetEmphasisMark(aVal); aCJKFont.SetEmphasisMark(aVal); aCTLFont.SetEmphasisMark(aVal); } if ((pItem = pItemSet->GetItem(SID_ATTR_CHAR_COLOR)) != nullptr) { maFontColor = static_cast(pItem)->GetValue(); } if ((pItem = pItemSet->GetItem(SID_ATTR_BRUSH_CHAR)) != nullptr) { maHighlightColor = static_cast(pItem)->GetColor(); } if (mpStyle->GetFamily() == SfxStyleFamily::Para) { if ((pItem = pItemSet->GetItem(XATTR_FILLSTYLE)) != nullptr) { css::drawing::FillStyle aFillStyle = static_cast(pItem)->GetValue(); if (aFillStyle == drawing::FillStyle_SOLID) { if ((pItem = pItemSet->GetItem(XATTR_FILLCOLOR)) != nullptr) { maBackgroundColor = static_cast(pItem)->GetColorValue(); } } } } if (SetFont(*pItemSet, SID_ATTR_CHAR_FONT, aFont) && SetFontSize(*pItemSet, SID_ATTR_CHAR_FONTHEIGHT, aFont)) m_oFont = aFont; if (SetFont(*pItemSet, SID_ATTR_CHAR_CJK_FONT, aCJKFont) && SetFontSize(*pItemSet, SID_ATTR_CHAR_CJK_FONTHEIGHT, aCJKFont)) m_oCJKFont = aCJKFont; if (SetFont(*pItemSet, SID_ATTR_CHAR_CTL_FONT, aCTLFont) && SetFontSize(*pItemSet, SID_ATTR_CHAR_CTL_FONTHEIGHT, aCTLFont)) m_oCTLFont = aCTLFont; CheckScript(); CalcRenderSize(); return true; } void CommonStylePreviewRenderer::CalcRenderSize() { const OUString& rText = maStyleName; mnBaseLine = 0; mnHeight = 0; SvtScriptType aScript; sal_uInt16 nIdx = 0; sal_Int32 nStart = 0; sal_Int32 nEnd; size_t nCnt = maScriptChanges.size(); if (nCnt) { nEnd = maScriptChanges[nIdx].changePos; aScript = maScriptChanges[nIdx].scriptType; } else { nEnd = rText.getLength(); aScript = SvtScriptType::LATIN; } do { auto oFont = (aScript == SvtScriptType::ASIAN) ? m_oCJKFont : ((aScript == SvtScriptType::COMPLEX) ? m_oCTLFont : m_oFont); mrOutputDev.Push(vcl::PushFlags::FONT); tools::Long nWidth; if (oFont) { mrOutputDev.SetFont(*oFont); nWidth = oFont->GetTextSize(mrOutputDev, rText, nStart, nEnd - nStart).Width(); } else nWidth = mrOutputDev.GetTextWidth(rText, nStart, nEnd - nStart); tools::Rectangle aRect; mrOutputDev.GetTextBoundRect(aRect, rText, nStart, nStart, nEnd - nStart); mrOutputDev.Pop(); mnBaseLine = std::max(mnBaseLine, -aRect.Top()); mnHeight = std::max(mnHeight, aRect.GetHeight()); if (nIdx >= maScriptChanges.size()) break; maScriptChanges[nIdx++].textWidth = nWidth; if (nEnd < rText.getLength() && nIdx < nCnt) { nStart = nEnd; nEnd = maScriptChanges[nIdx].changePos; aScript = maScriptChanges[nIdx].scriptType; } else break; } while(true); double fRatio = 1; if (mnHeight > mnMaxHeight && mnHeight != 0) fRatio = double(mnMaxHeight) / mnHeight; mnHeight *= fRatio; mnBaseLine *= fRatio; if (fRatio != 1) { Size aFontSize; if (m_oFont) { aFontSize = m_oFont->GetFontSize(); m_oFont->SetFontSize(Size(aFontSize.Width() * fRatio, aFontSize.Height() * fRatio)); } if (m_oCJKFont) { aFontSize = m_oCJKFont->GetFontSize(); m_oCJKFont->SetFontSize(Size(aFontSize.Width() * fRatio, aFontSize.Height() * fRatio)); } if (m_oCTLFont) { aFontSize = m_oCTLFont->GetFontSize(); m_oCTLFont->SetFontSize(Size(aFontSize.Width() * fRatio, aFontSize.Height() * fRatio)); } for (auto& aChange : maScriptChanges) aChange.textWidth *= fRatio; } } bool CommonStylePreviewRenderer::render(const tools::Rectangle& aRectangle, RenderAlign eRenderAlign) { const OUString& rText = maStyleName; // setup the device & draw mrOutputDev.Push(vcl::PushFlags::FONT | vcl::PushFlags::TEXTCOLOR | vcl::PushFlags::FILLCOLOR | vcl::PushFlags::TEXTFILLCOLOR); if (maBackgroundColor != COL_AUTO) { mrOutputDev.SetFillColor(maBackgroundColor); mrOutputDev.DrawRect(aRectangle); } if (maFontColor != COL_AUTO) mrOutputDev.SetTextColor(maFontColor); if (maHighlightColor != COL_AUTO) mrOutputDev.SetTextFillColor(maHighlightColor); Point aFontDrawPosition = aRectangle.TopLeft(); aFontDrawPosition.AdjustY(mnBaseLine); if (eRenderAlign == RenderAlign::CENTER) { if (aRectangle.GetHeight() > mnHeight) aFontDrawPosition.AdjustY((aRectangle.GetHeight() - mnHeight) / 2 ); } SvtScriptType aScript; sal_uInt16 nIdx = 0; sal_Int32 nStart = 0; sal_Int32 nEnd; size_t nCnt = maScriptChanges.size(); if (nCnt) { nEnd = maScriptChanges[nIdx].changePos; aScript = maScriptChanges[nIdx].scriptType; } else { nEnd = rText.getLength(); aScript = SvtScriptType::LATIN; } do { auto oFont = (aScript == SvtScriptType::ASIAN) ? m_oCJKFont : ((aScript == SvtScriptType::COMPLEX) ? m_oCTLFont : m_oFont); mrOutputDev.Push(vcl::PushFlags::FONT); if (oFont) { mrOutputDev.SetFont(*oFont); oFont->QuickDrawText(&mrOutputDev, aFontDrawPosition, rText, nStart, nEnd - nStart, {}); } else mrOutputDev.DrawText(aFontDrawPosition, rText, nStart, nEnd - nStart); mrOutputDev.Pop(); aFontDrawPosition.AdjustX(maScriptChanges[nIdx++].textWidth); if (nEnd < rText.getLength() && nIdx < nCnt) { nStart = nEnd; nEnd = maScriptChanges[nIdx].changePos; aScript = maScriptChanges[nIdx].scriptType; } else break; } while(true); mrOutputDev.Pop(); return true; } void CommonStylePreviewRenderer::CheckScript() { assert(!maStyleName.isEmpty()); // must have a preview text here! if (maStyleName == maScriptText) return; // already initialized maScriptText = maStyleName; maScriptChanges.clear(); auto aEditEngine = EditEngine(nullptr); aEditEngine.SetText(maScriptText); auto aScript = aEditEngine.GetScriptType({ 0, 0, 0, 0 }); for (sal_Int32 i = 1; i <= maScriptText.getLength(); i++) { auto aNextScript = aEditEngine.GetScriptType({ 0, i, 0, i }); if (aNextScript != aScript) maScriptChanges.emplace_back(aScript, i - 1); else if (i == maScriptText.getLength()) maScriptChanges.emplace_back(aScript, i); aScript = aNextScript; } } } // end svx namespace /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ ontract49c LibreOffice 核心代码仓库文档基金会
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