/**************************************************************************** Copyright (c) 2010-2012 cocos2d-x.org Copyright (c) 2013-2016 Chukong Technologies Inc. http://www.cocos2d-x.org Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ****************************************************************************/ #include "platform/CCPlatformConfig.h" #if CC_TARGET_PLATFORM == CC_PLATFORM_WIN32 #include "platform/CCDevice.h" #include "platform/CCFileUtils.h" #include "platform/CCStdC.h" NS_CC_BEGIN int Device::getDPI() { static int dpi = -1; if (dpi == -1) { HDC hScreenDC = GetDC( nullptr ); int PixelsX = GetDeviceCaps( hScreenDC, HORZRES ); int MMX = GetDeviceCaps( hScreenDC, HORZSIZE ); ReleaseDC( nullptr, hScreenDC ); dpi = 254.0f*PixelsX/MMX/10; } return dpi; } void Device::setAccelerometerEnabled(bool isEnabled) {} void Device::setAccelerometerInterval(float interval) {} class BitmapDC { public: BitmapDC(HWND hWnd = nullptr) : _DC(nullptr) , _bmp(nullptr) , _font((HFONT)GetStockObject(DEFAULT_GUI_FONT)) , _wnd(nullptr) { _wnd = hWnd; HDC hdc = GetDC(hWnd); _DC = CreateCompatibleDC(hdc); ReleaseDC(hWnd, hdc); } ~BitmapDC() { prepareBitmap(0, 0); if (_DC) { DeleteDC(_DC); } removeCustomFont(); } wchar_t * utf8ToUtf16(const std::string& str) { wchar_t * pwszBuffer = nullptr; do { if (str.empty()) { break; } // utf-8 to utf-16 int nLen = str.size(); int nBufLen = nLen + 1; pwszBuffer = new wchar_t[nBufLen]; CC_BREAK_IF(! pwszBuffer); memset(pwszBuffer,0,nBufLen); nLen = MultiByteToWideChar(CP_UTF8, 0, str.c_str(), nLen, pwszBuffer, nBufLen); pwszBuffer[nLen] = '\0'; } while (0); return pwszBuffer; } bool setFont(const char * pFontName = "", int nSize = 0) { bool bRet = false; do { std::string fontName = pFontName; std::string fontPath; HFONT hDefFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT); LOGFONTA tNewFont = {0}; LOGFONTA tOldFont = {0}; GetObjectA(hDefFont, sizeof(tNewFont), &tNewFont); if (!fontName.empty()) { // create font from ttf file if (FileUtils::getInstance()->getFileExtension(fontName) == ".ttf") { fontPath = FileUtils::getInstance()->fullPathForFilename(fontName.c_str()); int nFindPos = fontName.rfind("/"); fontName = &fontName[nFindPos+1]; nFindPos = fontName.rfind("."); fontName = fontName.substr(0,nFindPos); } else { auto nFindPos = fontName.rfind("/"); if (nFindPos != fontName.npos) { if (fontName.length() == nFindPos + 1) { fontName = ""; } else { fontName = &fontName[nFindPos+1]; } } } tNewFont.lfCharSet = DEFAULT_CHARSET; strcpy_s(tNewFont.lfFaceName, LF_FACESIZE, fontName.c_str()); } if (nSize) { tNewFont.lfHeight = -nSize; } GetObjectA(_font, sizeof(tOldFont), &tOldFont); if (tOldFont.lfHeight == tNewFont.lfHeight && 0 == strcmp(tOldFont.lfFaceName, tNewFont.lfFaceName)) { // already has the font bRet = true; break; } // delete old font removeCustomFont(); if (fontPath.size() > 0) { _curFontPath = fontPath; wchar_t * pwszBuffer = utf8ToUtf16(_curFontPath); if (pwszBuffer) { if(AddFontResource(pwszBuffer)) { SendMessage( _wnd, WM_FONTCHANGE, 0, 0); } delete [] pwszBuffer; pwszBuffer = nullptr; } } _font = nullptr; // disable Cleartype tNewFont.lfQuality = ANTIALIASED_QUALITY; // create new font _font = CreateFontIndirectA(&tNewFont); if (! _font) { // create failed, use default font _font = hDefFont; break; } bRet = true; } while (0); return bRet; } SIZE sizeWithText(const wchar_t * pszText, int nLen, DWORD dwFmt, LONG nWidthLimit) { SIZE tRet = {0}; do { CC_BREAK_IF(! pszText || nLen <= 0); RECT rc = {0, 0, 0, 0}; DWORD dwCalcFmt = DT_CALCRECT; if (nWidthLimit > 0) { rc.right = nWidthLimit; dwCalcFmt |= DT_WORDBREAK | (dwFmt & DT_CENTER) | (dwFmt & DT_RIGHT); } // use current font to measure text extent HGDIOBJ hOld = SelectObject(_DC, _font); // measure text size DrawTextW(_DC, pszText, nLen, &rc, dwCalcFmt); SelectObject(_DC, hOld); tRet.cx = rc.right; tRet.cy = rc.bottom; } while (0); return tRet; } bool prepareBitmap(int nWidth, int nHeight) { // release bitmap if (_bmp) { DeleteObject(_bmp); _bmp = nullptr; } if (nWidth > 0 && nHeight > 0) { _bmp = CreateBitmap(nWidth, nHeight, 1, 32, nullptr); if (! _bmp) { return false; } } return true; } int drawText(const char * pszText, SIZE& tSize, Device::TextAlign eAlign) { int nRet = 0; wchar_t * pwszBuffer = nullptr; wchar_t* fixedText = nullptr; do { CC_BREAK_IF(! pszText); DWORD dwFmt = DT_WORDBREAK; DWORD dwHoriFlag = (int)eAlign & 0x0f; DWORD dwVertFlag = ((int)eAlign & 0xf0) >> 4; switch (dwHoriFlag) { case 1: // left dwFmt |= DT_LEFT; break; case 2: // right dwFmt |= DT_RIGHT; break; case 3: // center dwFmt |= DT_CENTER; break; } int nLen = strlen(pszText); // utf-8 to utf-16 int nBufLen = nLen + 1; pwszBuffer = new wchar_t[nBufLen]; CC_BREAK_IF(! pwszBuffer); memset(pwszBuffer, 0, sizeof(wchar_t)*nBufLen); nLen = MultiByteToWideChar(CP_UTF8, 0, pszText, nLen, pwszBuffer, nBufLen); if (strchr(pszText, '&')) { fixedText = new wchar_t[nLen * 2 + 1]; int fixedIndex = 0; for (int index = 0; index < nLen; ++index) { if (pwszBuffer[index] == '&') { fixedText[fixedIndex] = '&'; fixedText[fixedIndex + 1] = '&'; fixedIndex += 2; } else { fixedText[fixedIndex] = pwszBuffer[index]; fixedIndex += 1; } } fixedText[fixedIndex] = '\0'; nLen = fixedIndex; } SIZE newSize; if (fixedText) { newSize = sizeWithText(fixedText, nLen, dwFmt, tSize.cx); } else { newSize = sizeWithText(pwszBuffer, nLen, dwFmt, tSize.cx); } RECT rcText = {0}; // if content width is 0, use text size as content size if (tSize.cx <= 0) { tSize = newSize; rcText.right = newSize.cx; rcText.bottom = newSize.cy; } else { LONG offsetX = 0; LONG offsetY = 0; rcText.right = newSize.cx; // store the text width to rectangle // calculate text horizontal offset if (1 != dwHoriFlag // and text isn't align to left && newSize.cx < tSize.cx) // and text's width less then content width, { // then need adjust offset of X. offsetX = (2 == dwHoriFlag) ? tSize.cx - newSize.cx // align to right : (tSize.cx - newSize.cx) / 2; // align to center } // if content height is 0, use text height as content height // else if content height less than text height, use content height to draw text if (tSize.cy <= 0) { tSize.cy = newSize.cy; dwFmt |= DT_NOCLIP; rcText.bottom = newSize.cy; // store the text height to rectangle } else if (tSize.cy < newSize.cy) { // content height larger than text height need, clip text to rect rcText.bottom = tSize.cy; } else { rcText.bottom = newSize.cy; // store the text height to rectangle // content larger than text, need adjust vertical position dwFmt |= DT_NOCLIP; // calculate text vertical offset offsetY = (2 == dwVertFlag) ? tSize.cy - newSize.cy // align to bottom : (3 == dwVertFlag) ? (tSize.cy - newSize.cy) / 2 // align to middle : 0; // align to top } if (offsetX || offsetY) { OffsetRect(&rcText, offsetX, offsetY); } } CC_BREAK_IF(! prepareBitmap(tSize.cx, tSize.cy)); // draw text HGDIOBJ hOldFont = SelectObject(_DC, _font); HGDIOBJ hOldBmp = SelectObject(_DC, _bmp); SetBkMode(_DC, TRANSPARENT); SetTextColor(_DC, RGB(255, 255, 255)); // white color // draw text if (fixedText) { nRet = DrawTextW(_DC, fixedText, nLen, &rcText, dwFmt); } else { nRet = DrawTextW(_DC, pwszBuffer, nLen, &rcText, dwFmt); } //DrawTextA(_DC, pszText, nLen, &rcText, dwFmt); SelectObject(_DC, hOldBmp); SelectObject(_DC, hOldFont); } while (0); CC_SAFE_DELETE_ARRAY(pwszBuffer); delete[] fixedText; return nRet; } CC_SYNTHESIZE_READONLY(HDC, _DC, DC); CC_SYNTHESIZE_READONLY(HBITMAP, _bmp, Bitmap); private: friend class Image; HFONT _font; HWND _wnd; std::string _curFontPath; void removeCustomFont() { HFONT hDefFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT); if (hDefFont != _font) { DeleteObject(_font); _font = hDefFont; } // release temp font resource if (_curFontPath.size() > 0) { wchar_t * pwszBuffer = utf8ToUtf16(_curFontPath); if (pwszBuffer) { RemoveFontResource(pwszBuffer); SendMessage( _wnd, WM_FONTCHANGE, 0, 0); delete [] pwszBuffer; pwszBuffer = nullptr; } _curFontPath.clear(); } } }; static BitmapDC& sharedBitmapDC() { static BitmapDC s_BmpDC; return s_BmpDC; } Data Device::getTextureDataForText(const char * text, const FontDefinition& textDefinition, TextAlign align, int &width, int &height, bool& hasPremultipliedAlpha) { Data ret; do { BitmapDC& dc = sharedBitmapDC(); if (! dc.setFont(textDefinition._fontName.c_str(), textDefinition._fontSize)) { log("Can't found font(%s), use system default", textDefinition._fontName.c_str()); } // draw text // does changing to SIZE here affects the font size by rounding from float? SIZE size = {(LONG) textDefinition._dimensions.width,(LONG) textDefinition._dimensions.height}; CC_BREAK_IF(! dc.drawText(text, size, align)); int dataLen = size.cx * size.cy * 4; unsigned char* dataBuf = (unsigned char*)malloc(sizeof(unsigned char) * dataLen); CC_BREAK_IF(! dataBuf); struct { BITMAPINFOHEADER bmiHeader; int mask[4]; } bi = {0}; bi.bmiHeader.biSize = sizeof(bi.bmiHeader); CC_BREAK_IF(! GetDIBits(dc.getDC(), dc.getBitmap(), 0, 0, nullptr, (LPBITMAPINFO)&bi, DIB_RGB_COLORS)); width = (short)size.cx; height = (short)size.cy; // copy pixel data bi.bmiHeader.biHeight = (bi.bmiHeader.biHeight > 0) ? - bi.bmiHeader.biHeight : bi.bmiHeader.biHeight; GetDIBits(dc.getDC(), dc.getBitmap(), 0, height, dataBuf, (LPBITMAPINFO)&bi, DIB_RGB_COLORS); COLORREF textColor = (textDefinition._fontFillColor.b << 16 | textDefinition._fontFillColor.g << 8 | textDefinition._fontFillColor.r) & 0x00ffffff; float alpha = textDefinition._fontAlpha / 255.0f; COLORREF * pPixel = nullptr; for (int y = 0; y < height; ++y) { pPixel = (COLORREF *)dataBuf + y * width; for (int x = 0; x < width; ++x) { COLORREF& clr = *pPixel; clr = ((BYTE)(GetRValue(clr) * alpha) << 24) | textColor; ++pPixel; } } ret.fastSet(dataBuf,dataLen); hasPremultipliedAlpha = false; } while (0); return ret; } void Device::setKeepScreenOn(bool value) { CC_UNUSED_PARAM(value); } void Device::vibrate(float duration) { CC_UNUSED_PARAM(duration); } NS_CC_END #endif // CC_TARGET_PLATFORM == CC_PLATFORM_WIN32