395 lines
12 KiB
C++
395 lines
12 KiB
C++
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//---------------------------------------------------------------------------
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// TextDraw.cpp - implements the drawing API for text
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//---------------------------------------------------------------------------
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#include "stdafx.h"
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#include "Render.h"
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#include "Utils.h"
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#include "TextDraw.h"
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#include "info.h"
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#include "DrawHelp.h"
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//---------------------------------------------------------------------------
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HRESULT CTextDraw::PackProperties(CRenderObj *pRender, int iPartId, int iStateId)
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{
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memset(this, 0, sizeof(CTextDraw)); // allowed because we have no vtable
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//---- save off partid, stateid for debugging ----
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_iSourcePartId = iPartId;
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_iSourceStateId = iStateId;
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if (FAILED(pRender->GetColor(iPartId, iStateId, TMT_TEXTCOLOR, &_crText)))
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_crText = 0; // default value
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//---- shadow ----
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if (SUCCEEDED(pRender->GetPosition(iPartId, iStateId, TMT_TEXTSHADOWOFFSET, &_ptShadowOffset)))
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{
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if (FAILED(pRender->GetColor(iPartId, iStateId, TMT_TEXTSHADOWCOLOR, &_crShadow)))
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_crShadow = RGB(0, 0, 0); // default value = black
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if (FAILED(pRender->GetEnumValue(iPartId, iStateId, TMT_TEXTSHADOWTYPE, (int *)&_eShadowType)))
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_eShadowType = TST_NONE; // default value
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}
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//---- border ----
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if (FAILED(pRender->GetInt(iPartId, iStateId, TMT_TEXTBORDERSIZE, &_iBorderSize)))
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{
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_iBorderSize = 0;
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}
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else
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{
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if (FAILED(pRender->GetColor(iPartId, iStateId, TMT_TEXTBORDERCOLOR, &_crBorder)))
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_crBorder = RGB(0, 0, 0); // default value
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}
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//---- font ----
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if (SUCCEEDED(pRender->GetFont(NULL, iPartId, iStateId, TMT_FONT, FALSE, &_lfFont)))
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_fHaveFont = TRUE;
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//---- edge colors ----
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if (FAILED(pRender->GetColor(iPartId, iStateId, TMT_EDGELIGHTCOLOR, &_crEdgeLight)))
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_crEdgeLight = RGB(192, 192, 192);
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if (FAILED(pRender->GetColor(iPartId, iStateId, TMT_EDGEHIGHLIGHTCOLOR, &_crEdgeHighlight)))
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_crEdgeHighlight = RGB(255, 255, 255);
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if (FAILED(pRender->GetColor(iPartId, iStateId, TMT_EDGESHADOWCOLOR, &_crEdgeShadow)))
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_crEdgeShadow = RGB(128, 128, 128);
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if (FAILED(pRender->GetColor(iPartId, iStateId, TMT_EDGEDKSHADOWCOLOR, &_crEdgeDkShadow)))
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_crEdgeDkShadow = RGB(0, 0, 0);
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if (FAILED(pRender->GetColor(iPartId, iStateId, TMT_EDGEFILLCOLOR, &_crEdgeFill)))
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_crEdgeFill = _crEdgeLight;
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return S_OK;
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}
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//---------------------------------------------------------------------------
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BOOL CTextDraw::KeyProperty(int iPropId)
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{
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BOOL fKey = FALSE;
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switch (iPropId)
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{
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case TMT_TEXTCOLOR:
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case TMT_TEXTSHADOWOFFSET:
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case TMT_TEXTSHADOWCOLOR:
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case TMT_TEXTSHADOWTYPE:
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case TMT_TEXTBORDERSIZE:
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case TMT_TEXTBORDERCOLOR:
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case TMT_FONT:
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case TMT_EDGELIGHTCOLOR:
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case TMT_EDGEHIGHLIGHTCOLOR:
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case TMT_EDGESHADOWCOLOR:
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case TMT_EDGEDKSHADOWCOLOR:
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case TMT_EDGEFILLCOLOR:
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fKey = TRUE;
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break;
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}
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return fKey;
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}
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//---------------------------------------------------------------------------
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void CTextDraw::DumpProperties(CSimpleFile *pFile, BYTE *pbThemeData, BOOL fFullInfo)
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{
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if (fFullInfo)
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pFile->OutLine(L"Dump of CTextDraw at offset=0x%x", (BYTE *)this - pbThemeData);
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else
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pFile->OutLine(L"Dump of CTextDraw");
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pFile->OutLine(L" _crText=0x%08x", _crText);
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pFile->OutLine(L" _ptShadowOffset=(%d, %d)", _ptShadowOffset.x, _ptShadowOffset.y);
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pFile->OutLine(L" _crEdgeLight=0x%08x, _crEdgeHighlight=0x%08x, _crEdgeShadow=0x%08x",
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_crEdgeLight, _crEdgeHighlight, _crEdgeShadow);
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pFile->OutLine(L" _crEdgeDkShadow=0x%08x, _crEdgeFill=0x%08x, _crShadow=0x%08x",
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_crEdgeDkShadow, _crEdgeFill, _crShadow);
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pFile->OutLine(L" _eShadowType, _iBorderSize=%d, _crBorder=0x%08x",
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_eShadowType, _iBorderSize, _crBorder);
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//---- dump resolution-independent font points ----
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int iFontPoints = FontPointSize(_lfFont.lfHeight);
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pFile->OutLine(L" _fHaveFont=%d, font: %s, size=%d points, bold=%d, italic=%d",
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_fHaveFont, _lfFont.lfFaceName, iFontPoints, _lfFont.lfWeight > 400, _lfFont.lfItalic);
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}
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//---------------------------------------------------------------------------
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HRESULT CTextDraw::DrawText(CRenderObj *pRender, HDC hdc, int iPartId, int iStateId, LPCWSTR _pszText,
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DWORD dwCharCount, DWORD dwTextFlags, const RECT *pRect, const DTTOPTS *pOptions)
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{
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Log(LOG_TM, L"DrawText(): iPartId=%d, pszText=%s", iPartId, _pszText);
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int iRetVal;
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HFONT hFont = NULL;
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COLORREF oldcolor = 0;
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HRESULT hr = S_OK;
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BOOL fOldColor = FALSE;
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RESOURCE HFONT oldfont = NULL;
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LPWSTR pszText = (LPWSTR)_pszText; // so DrawText() calls are happy
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dwTextFlags &= ~(DT_MODIFYSTRING); // we don't want to change the constant ptr
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int oldmode = SetBkMode(hdc, TRANSPARENT);
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RECT rect;
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COLORREF crText = _crText;
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COLORREF crBorder = _crBorder;
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COLORREF crShadow = _crShadow;
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TEXTSHADOWTYPE eShadowType = _eShadowType;
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POINT ptShadowOffset = _ptShadowOffset;
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int iBorderSize = _iBorderSize;
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if (pOptions)
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{
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DWORD dwFlags = pOptions->dwFlags;
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if (dwFlags & DTT_TEXTCOLOR)
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crText = pOptions->crText;
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if (dwFlags & DTT_BORDERCOLOR)
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crBorder = pOptions->crBorder;
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if (dwFlags & DTT_SHADOWCOLOR)
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crShadow = pOptions->crShadow;
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if (dwFlags & DTT_SHADOWTYPE)
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eShadowType = (TEXTSHADOWTYPE)pOptions->eTextShadowType;
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if (dwFlags & DTT_SHADOWOFFSET)
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ptShadowOffset = pOptions->ptShadowOffset;
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if (dwFlags & DTT_BORDERSIZE)
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iBorderSize = pOptions->iBorderSize;
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}
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BOOL fShadow = (eShadowType != TST_NONE);
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if (_fHaveFont)
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{
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hr = pRender->GetScaledFontHandle(hdc, &_lfFont, &hFont);
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if (FAILED(hr))
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goto exit;
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oldfont = (HFONT)SelectObject(hdc, hFont);
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}
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//---- BLURRED shadow approach ----
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if ((fShadow) && (eShadowType == TST_CONTINUOUS))
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{
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SetRect(&rect, pRect->left, pRect->top, pRect->right, pRect->bottom);
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hr = EnsureUxCtrlLoaded();
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if (FAILED(hr))
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goto exit;
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//---- this will draw shadow & text (no outline support yet) ----
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iRetVal = CCDrawShadowText(hdc, pszText, dwCharCount, &rect, dwTextFlags, crText, crShadow,
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ptShadowOffset.x, ptShadowOffset.y);
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}
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else //---- normal approach ----
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{
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//---- draw SINGLE shadow first ----
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if (fShadow)
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{
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oldcolor = SetTextColor(hdc, crShadow);
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fOldColor = TRUE;
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//---- adjust rect for drawing shadow ----
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rect.left = pRect->left + ptShadowOffset.x;
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rect.top = pRect->top + ptShadowOffset.y;
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rect.right = pRect->right + ptShadowOffset.x;
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rect.bottom = pRect->bottom, ptShadowOffset.y;
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iRetVal = DrawTextEx(hdc, pszText, dwCharCount, &rect, dwTextFlags, NULL);
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if (! iRetVal)
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{
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hr = MakeErrorLast();
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goto exit;
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}
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}
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SetRect(&rect, pRect->left, pRect->top, pRect->right, pRect->bottom);
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//---- draw outline, if wanted ----
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if (iBorderSize) // draw outline around text
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{
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iRetVal = BeginPath(hdc);
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if (! iRetVal)
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{
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hr = MakeErrorLast();
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goto exit;
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}
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iRetVal = DrawTextEx(hdc, pszText, dwCharCount, &rect, dwTextFlags, NULL);
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if (! iRetVal)
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{
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AbortPath(hdc);
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hr = MakeErrorLast();
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goto exit;
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}
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EndPath(hdc);
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HPEN pen, oldpen;
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HBRUSH brush, oldbrush;
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pen = CreatePen(PS_SOLID, iBorderSize, crBorder);
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brush = CreateSolidBrush(crText);
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if ((pen) && (brush))
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{
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oldpen = (HPEN)SelectObject(hdc, pen);
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oldbrush = (HBRUSH)SelectObject(hdc, brush);
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//---- this draws both outline & normal text ---
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StrokeAndFillPath(hdc);
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SelectObject(hdc, oldpen);
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SelectObject(hdc, oldbrush);
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}
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}
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else // draw normal text
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{
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if (fOldColor)
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SetTextColor(hdc, crText);
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else
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{
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oldcolor = SetTextColor(hdc, crText);
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fOldColor = TRUE;
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}
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iRetVal = DrawTextEx(hdc, pszText, dwCharCount, &rect, dwTextFlags, NULL);
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if (! iRetVal)
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{
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hr = MakeErrorLast();
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goto exit;
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}
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}
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}
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hr = S_OK;
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exit:
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//---- restore hdc objects ----
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SetBkMode(hdc, oldmode);
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if (fOldColor)
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SetTextColor(hdc, oldcolor);
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if (oldfont)
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SelectObject(hdc, oldfont);
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if (hFont)
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pRender->ReturnFontHandle(hFont);
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return hr;
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}
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//---------------------------------------------------------------------------
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HRESULT CTextDraw::GetTextExtent(CRenderObj *pRender, HDC hdc, int iPartId, int iStateId, LPCWSTR _pszText,
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int iCharCount, DWORD dwTextFlags, const RECT *pBoundingRect, RECT *pExtentRect)
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{
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LPWSTR pszText = (LPWSTR)_pszText; // so DrawText() calls are happy
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dwTextFlags &= ~(DT_MODIFYSTRING); // we don't want to change the constant ptr
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Log(LOG_TM, L"GetTextExtent(): iPartId=%d, pszText=%s", iPartId, pszText);
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RESOURCE HFONT oldfont = NULL;
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HFONT hFont = NULL;
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HRESULT hr = S_OK;
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if (_fHaveFont)
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{
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hr = pRender->GetScaledFontHandle(hdc, &_lfFont, &hFont);
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if (FAILED(hr))
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goto exit;
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oldfont = (HFONT)SelectObject(hdc, hFont);
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}
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RECT rect;
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int iRetVal;
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if (pBoundingRect)
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rect = *pBoundingRect;
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else
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SetRect(&rect, 0, 0, 0, 0);
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iRetVal = DrawTextEx(hdc, pszText, iCharCount, &rect, dwTextFlags | DT_CALCRECT, NULL);
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if (! iRetVal)
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{
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hr = MakeErrorLast();
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goto exit;
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}
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//----do NOT adjust for text shadow (ok if shadows overlap...) ----
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*pExtentRect = rect;
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exit:
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//---- restore hdc objects ----
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if (oldfont)
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SelectObject(hdc, oldfont);
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Log(LOG_TM, L"END Of GetTextExtent()");
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if (hFont)
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pRender->ReturnFontHandle(hFont);
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return hr;
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}
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//---------------------------------------------------------------------------
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HRESULT CTextDraw::GetTextMetrics(CRenderObj *pRender, HDC hdc, int iPartId, int iStateId, TEXTMETRIC* ptm)
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{
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Log(LOG_TM, L"GetTextMetrics(): iPartId=%d, ", iPartId);
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HRESULT hr = S_OK;
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RESOURCE HFONT hFont = NULL;
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RESOURCE HFONT oldfont = NULL;
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if (! ptm)
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{
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hr = MakeError32(E_INVALIDARG);
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goto exit;
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}
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if (_fHaveFont)
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{
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hr = pRender->GetScaledFontHandle(hdc, &_lfFont, &hFont);
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if (FAILED(hr))
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goto exit;
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oldfont = (HFONT)SelectObject(hdc, hFont);
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}
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if (! ::GetTextMetrics(hdc, ptm))
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{
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hr = MakeErrorLast();
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goto exit;
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}
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exit:
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//---- restore hdc objects ----
|
||
|
|
if (oldfont)
|
||
|
|
SelectObject(hdc, oldfont);
|
||
|
|
|
||
|
|
if (hFont)
|
||
|
|
pRender->ReturnFontHandle(hFont);
|
||
|
|
|
||
|
|
Log(LOG_TM, L"END Of GetTextMetrics()");
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
HRESULT CTextDraw::DrawEdge(CRenderObj *pRender, HDC hdc, int iPartId, int iStateId, const RECT *pDestRect,
|
||
|
|
UINT uEdge, UINT uFlags, OUT RECT *pContentRect)
|
||
|
|
{
|
||
|
|
Log(LOG_TM, L"DrawEdge(): iPartId=%d, iStateId=%d, uEdge=0x%08x, uFlags=0x%08x", iPartId, iStateId, uEdge, uFlags);
|
||
|
|
HRESULT hr = _DrawEdge(hdc, pDestRect, uEdge, uFlags,
|
||
|
|
_crEdgeLight, _crEdgeHighlight, _crEdgeShadow, _crEdgeDkShadow, _crEdgeFill, pContentRect);
|
||
|
|
Log(LOG_TM, L"END Of DrawEdge()");
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
//---------------------------------------------------------------------------
|