diff options
Diffstat (limited to 'starmath/source/document.cxx')
| -rw-r--r-- | starmath/source/document.cxx | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/starmath/source/document.cxx b/starmath/source/document.cxx index 18cdc237944f..91bdcc601ec4 100644 --- a/starmath/source/document.cxx +++ b/starmath/source/document.cxx @@ -24,6 +24,7 @@ #include <comphelper/fileformat.h> #include <comphelper/accessibletexthelper.hxx> +#include <comphelper/string.hxx> #include <rtl/ustrbuf.hxx> #include <rtl/ustring.hxx> #include <sal/log.hxx> @@ -1270,4 +1271,317 @@ void SmDocShell::SetRightToLeft(bool bRTL) Repaint(); } +static Size GetTextLineSize(OutputDevice const& rDevice, const OUString& rLine) +{ + Size aSize(rDevice.GetTextWidth(rLine), rDevice.GetTextHeight()); + const tools::Long nTabPos = rLine.isEmpty() ? 0 : rDevice.approximate_digit_width() * 8; + + if (nTabPos) + { + aSize.setWidth(0); + sal_Int32 nPos = 0; + do + { + if (nPos > 0) + aSize.setWidth(((aSize.Width() / nTabPos) + 1) * nTabPos); + + const OUString aText = rLine.getToken(0, '\t', nPos); + aSize.AdjustWidth(rDevice.GetTextWidth(aText)); + } while (nPos >= 0); + } + + return aSize; +} + +static Size GetTextSize(OutputDevice const& rDevice, std::u16string_view rText, + tools::Long MaxWidth) +{ + Size aSize; + Size aTextSize; + if (rText.empty()) + return aTextSize; + + sal_Int32 nPos = 0; + do + { + OUString aLine(o3tl::getToken(rText, 0, '\n', nPos)); + aLine = aLine.replaceAll("\r", ""); + + aSize = GetTextLineSize(rDevice, aLine); + + if (aSize.Width() > MaxWidth) + { + do + { + OUString aText; + sal_Int32 m = aLine.getLength(); + sal_Int32 nLen = m; + + for (sal_Int32 n = 0; n < nLen; n++) + { + sal_Unicode cLineChar = aLine[n]; + if ((cLineChar == ' ') || (cLineChar == '\t')) + { + aText = aLine.copy(0, n); + if (GetTextLineSize(rDevice, aText).Width() < MaxWidth) + m = n; + else + break; + } + } + + aText = aLine.copy(0, m); + aLine = aLine.replaceAt(0, m, u""); + aSize = GetTextLineSize(rDevice, aText); + aTextSize.AdjustHeight(aSize.Height()); + aTextSize.setWidth(std::clamp(aSize.Width(), aTextSize.Width(), MaxWidth)); + + aLine = comphelper::string::stripStart(aLine, ' '); + aLine = comphelper::string::stripStart(aLine, '\t'); + aLine = comphelper::string::stripStart(aLine, ' '); + } while (!aLine.isEmpty()); + } + else + { + aTextSize.AdjustHeight(aSize.Height()); + aTextSize.setWidth(std::max(aTextSize.Width(), aSize.Width())); + } + } while (nPos >= 0); + + return aTextSize; +} + +static void DrawTextLine(OutputDevice& rDevice, const Point& rPosition, const OUString& rLine) +{ + Point aPoint(rPosition); + const tools::Long nTabPos = rLine.isEmpty() ? 0 : rDevice.approximate_digit_width() * 8; + + if (nTabPos) + { + sal_Int32 nPos = 0; + do + { + if (nPos > 0) + aPoint.setX(((aPoint.X() / nTabPos) + 1) * nTabPos); + + OUString aText = rLine.getToken(0, '\t', nPos); + rDevice.DrawText(aPoint, aText); + aPoint.AdjustX(rDevice.GetTextWidth(aText)); + } while (nPos >= 0); + } + else + rDevice.DrawText(aPoint, rLine); +} + +static void DrawText(OutputDevice& rDevice, const Point& rPosition, std::u16string_view rText, + sal_uInt16 MaxWidth) +{ + if (rText.empty()) + return; + + Point aPoint(rPosition); + Size aSize; + + sal_Int32 nPos = 0; + do + { + OUString aLine(o3tl::getToken(rText, 0, '\n', nPos)); + aLine = aLine.replaceAll("\r", ""); + aSize = GetTextLineSize(rDevice, aLine); + if (aSize.Width() > MaxWidth) + { + do + { + OUString aText; + sal_Int32 m = aLine.getLength(); + sal_Int32 nLen = m; + + for (sal_Int32 n = 0; n < nLen; n++) + { + sal_Unicode cLineChar = aLine[n]; + if ((cLineChar == ' ') || (cLineChar == '\t')) + { + aText = aLine.copy(0, n); + if (GetTextLineSize(rDevice, aText).Width() < MaxWidth) + m = n; + else + break; + } + } + aText = aLine.copy(0, m); + aLine = aLine.replaceAt(0, m, u""); + + DrawTextLine(rDevice, aPoint, aText); + aPoint.AdjustY(aSize.Height()); + + aLine = comphelper::string::stripStart(aLine, ' '); + aLine = comphelper::string::stripStart(aLine, '\t'); + aLine = comphelper::string::stripStart(aLine, ' '); + } while (GetTextLineSize(rDevice, aLine).Width() > MaxWidth); + + // print the remaining text + if (!aLine.isEmpty()) + { + DrawTextLine(rDevice, aPoint, aLine); + aPoint.AdjustY(aSize.Height()); + } + } + else + { + DrawTextLine(rDevice, aPoint, aLine); + aPoint.AdjustY(aSize.Height()); + } + } while (nPos >= 0); +} + +void SmDocShell::Impl_Print(OutputDevice& rOutDev, const SmPrintUIOptions& rPrintUIOptions, + tools::Rectangle aOutRect) +{ + const bool bIsPrintTitle = rPrintUIOptions.getBoolValue(PRTUIOPT_TITLE_ROW, true); + const bool bIsPrintFrame = rPrintUIOptions.getBoolValue(PRTUIOPT_BORDER, true); + const bool bIsPrintFormulaText = rPrintUIOptions.getBoolValue(PRTUIOPT_FORMULA_TEXT, true); + SmPrintSize ePrintSize(static_cast<SmPrintSize>( + rPrintUIOptions.getIntValue(PRTUIOPT_PRINT_FORMAT, PRINT_SIZE_NORMAL))); + const sal_uInt16 nZoomFactor + = static_cast<sal_uInt16>(rPrintUIOptions.getIntValue(PRTUIOPT_PRINT_SCALE, 100)); + + rOutDev.Push(); + rOutDev.SetLineColor(COL_BLACK); + + // output text on top + if (bIsPrintTitle) + { + Size aSize600(0, 600); + Size aSize650(0, 650); + vcl::Font aFont(FAMILY_DONTKNOW, aSize600); + + aFont.SetAlignment(ALIGN_TOP); + aFont.SetWeight(WEIGHT_BOLD); + aFont.SetFontSize(aSize650); + aFont.SetColor(COL_BLACK); + rOutDev.SetFont(aFont); + + Size aTitleSize(GetTextSize(rOutDev, GetTitle(), aOutRect.GetWidth() - 200)); + + aFont.SetWeight(WEIGHT_NORMAL); + aFont.SetFontSize(aSize600); + rOutDev.SetFont(aFont); + + Size aDescSize(GetTextSize(rOutDev, GetComment(), aOutRect.GetWidth() - 200)); + + if (bIsPrintFrame) + rOutDev.DrawRect(tools::Rectangle( + aOutRect.TopLeft(), Size(aOutRect.GetWidth(), 100 + aTitleSize.Height() + 200 + + aDescSize.Height() + 100))); + aOutRect.AdjustTop(200); + + // output title + aFont.SetWeight(WEIGHT_BOLD); + aFont.SetFontSize(aSize650); + rOutDev.SetFont(aFont); + Point aPoint(aOutRect.Left() + (aOutRect.GetWidth() - aTitleSize.Width()) / 2, + aOutRect.Top()); + DrawText(rOutDev, aPoint, GetTitle(), + sal::static_int_cast<sal_uInt16>(aOutRect.GetWidth() - 200)); + aOutRect.AdjustTop(aTitleSize.Height() + 200); + + // output description + aFont.SetWeight(WEIGHT_NORMAL); + aFont.SetFontSize(aSize600); + rOutDev.SetFont(aFont); + aPoint.setX(aOutRect.Left() + (aOutRect.GetWidth() - aDescSize.Width()) / 2); + aPoint.setY(aOutRect.Top()); + DrawText(rOutDev, aPoint, GetComment(), + sal::static_int_cast<sal_uInt16>(aOutRect.GetWidth() - 200)); + aOutRect.AdjustTop(aDescSize.Height() + 300); + } + + // output text on bottom + if (bIsPrintFormulaText) + { + vcl::Font aFont(FAMILY_DONTKNOW, Size(0, 600)); + aFont.SetAlignment(ALIGN_TOP); + aFont.SetColor(COL_BLACK); + + // get size + rOutDev.SetFont(aFont); + + Size aSize(GetTextSize(rOutDev, GetText(), aOutRect.GetWidth() - 200)); + + aOutRect.AdjustBottom(-(aSize.Height() + 600)); + + if (bIsPrintFrame) + rOutDev.DrawRect(tools::Rectangle( + aOutRect.BottomLeft(), Size(aOutRect.GetWidth(), 200 + aSize.Height() + 200))); + + Point aPoint(aOutRect.Left() + (aOutRect.GetWidth() - aSize.Width()) / 2, + aOutRect.Bottom() + 300); + DrawText(rOutDev, aPoint, GetText(), + sal::static_int_cast<sal_uInt16>(aOutRect.GetWidth() - 200)); + aOutRect.AdjustBottom(-200); + } + + if (bIsPrintFrame) + rOutDev.DrawRect(aOutRect); + + aOutRect.AdjustTop(100); + aOutRect.AdjustLeft(100); + aOutRect.AdjustBottom(-100); + aOutRect.AdjustRight(-100); + + Size aSize(GetSize()); + + MapMode OutputMapMode; + // PDF export should always use PRINT_SIZE_NORMAL ... + if (!rPrintUIOptions.getBoolValue("IsPrinter")) + ePrintSize = PRINT_SIZE_NORMAL; + switch (ePrintSize) + { + case PRINT_SIZE_NORMAL: + OutputMapMode = MapMode(SmMapUnit()); + break; + + case PRINT_SIZE_SCALED: + if (!aSize.IsEmpty()) + { + Size OutputSize(rOutDev.LogicToPixel(aOutRect.GetSize(), MapMode(SmMapUnit()))); + Size GraphicSize(rOutDev.LogicToPixel(aSize, MapMode(SmMapUnit()))); + sal_uInt16 nZ + = std::min(o3tl::convert(OutputSize.Width(), 100, GraphicSize.Width()), + o3tl::convert(OutputSize.Height(), 100, GraphicSize.Height())); + nZ -= 10; + Fraction aFraction(std::clamp(nZ, MINZOOM, sal_uInt16(100)), 1); + + OutputMapMode = MapMode(SmMapUnit(), Point(), aFraction, aFraction); + } + else + OutputMapMode = MapMode(SmMapUnit()); + break; + + case PRINT_SIZE_ZOOMED: + { + Fraction aFraction(nZoomFactor, 100); + + OutputMapMode = MapMode(SmMapUnit(), Point(), aFraction, aFraction); + break; + } + } + + aSize = rOutDev.PixelToLogic(rOutDev.LogicToPixel(aSize, OutputMapMode), MapMode(SmMapUnit())); + + Point aPos(aOutRect.Left() + (aOutRect.GetWidth() - aSize.Width()) / 2, + aOutRect.Top() + (aOutRect.GetHeight() - aSize.Height()) / 2); + + aPos = rOutDev.PixelToLogic(rOutDev.LogicToPixel(aPos, MapMode(SmMapUnit())), OutputMapMode); + aOutRect + = rOutDev.PixelToLogic(rOutDev.LogicToPixel(aOutRect, MapMode(SmMapUnit())), OutputMapMode); + + rOutDev.SetMapMode(OutputMapMode); + rOutDev.SetClipRegion(vcl::Region(aOutRect)); + DrawFormula(rOutDev, aPos); + rOutDev.SetClipRegion(); + + rOutDev.Pop(); +} + /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |