mirror of https://github.com/axmolengine/axmol.git
511 lines
16 KiB
C++
511 lines
16 KiB
C++
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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Copyright (c) 2021-2023 Bytedance Inc.
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https://axmolengine.github.io/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "platform/Device.h"
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#include "platform/FileUtils.h"
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#include "platform/StdC.h"
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#include "ntcvt/ntcvt.hpp"
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NS_AX_BEGIN
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int Device::getDPI()
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{
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static int dpi = -1;
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if (dpi == -1)
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{
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HDC hScreenDC = GetDC(nullptr);
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int PixelsX = GetDeviceCaps(hScreenDC, HORZRES);
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int MMX = GetDeviceCaps(hScreenDC, HORZSIZE);
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ReleaseDC(nullptr, hScreenDC);
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dpi = (int)(254.0f * PixelsX / MMX / 10);
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}
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return dpi;
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}
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float Device::getPixelRatio()
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{
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return Device::getDPI() / 96.0f;
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}
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void Device::setAccelerometerEnabled(bool isEnabled) {}
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void Device::setAccelerometerInterval(float interval) {}
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class BitmapDC
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{
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public:
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BitmapDC(HWND hWnd = nullptr)
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: _DC(nullptr), _bmp(nullptr), _font((HFONT)GetStockObject(DEFAULT_GUI_FONT)), _wnd(hWnd)
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{
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HDC hdc = GetDC(hWnd);
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_DC = CreateCompatibleDC(hdc);
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ReleaseDC(hWnd, hdc);
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}
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~BitmapDC()
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{
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prepareBitmap(0, 0);
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if (_DC)
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{
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DeleteDC(_DC);
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}
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removeCustomFont();
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}
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bool setFont(const char* pFontName, int nSize = 0, bool enableBold = false)
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{
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bool bRet = false;
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do
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{
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std::wstring fontName = ntcvt::from_chars(pFontName);
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HFONT hDefFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
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LOGFONTW tNewFont = {0};
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LOGFONTW tOldFont = {0};
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GetObjectW(hDefFont, sizeof(tNewFont), &tNewFont);
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if (!fontName.empty())
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{
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tNewFont.lfCharSet = DEFAULT_CHARSET;
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wcscpy_s(tNewFont.lfFaceName, LF_FACESIZE, fontName.c_str());
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}
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if (nSize)
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{
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tNewFont.lfHeight = -nSize;
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}
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if (enableBold)
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{
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tNewFont.lfWeight = FW_BOLD;
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}
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else
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{
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tNewFont.lfWeight = FW_NORMAL;
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}
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GetObjectW(_font, sizeof(tOldFont), &tOldFont);
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if (tOldFont.lfHeight == tNewFont.lfHeight && tOldFont.lfWeight == tNewFont.lfWeight &&
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0 == wcscmp(tOldFont.lfFaceName, tNewFont.lfFaceName))
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{
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bRet = true;
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break;
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}
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// disable Cleartype
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tNewFont.lfQuality = ANTIALIASED_QUALITY;
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// delete old font before create new
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removeCustomFont();
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// create new font
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_font = CreateFontIndirectW(&tNewFont);
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if (!_font)
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{
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// create failed, use default font
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_font = hDefFont;
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break;
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}
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bRet = true;
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} while (0);
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return bRet;
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}
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SIZE sizeWithText(const wchar_t* pszText,
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int nLen,
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DWORD dwFmt,
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const char* fontName,
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int textSize,
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LONG nWidthLimit,
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LONG nHeightLimit,
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bool enableWrap,
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int overflow)
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{
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SIZE tRet = {0};
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do
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{
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AX_BREAK_IF(!pszText || nLen <= 0);
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RECT rc = {0, 0, 0, 0};
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DWORD dwCalcFmt = DT_CALCRECT;
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if (!enableWrap)
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{
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dwCalcFmt |= DT_SINGLELINE;
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}
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if (nWidthLimit > 0)
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{
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rc.right = nWidthLimit;
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dwCalcFmt |= DT_WORDBREAK | (dwFmt & DT_CENTER) | (dwFmt & DT_RIGHT);
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}
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if (overflow == 2)
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{
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LONG actualWidth = nWidthLimit + 1;
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LONG actualHeight = nHeightLimit + 1;
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int newFontSize = textSize + 1;
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while (actualWidth > nWidthLimit || actualHeight > nHeightLimit)
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{
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if (newFontSize <= 0)
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{
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break;
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}
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this->setFont(fontName, newFontSize);
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// use current font to measure text extent
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HGDIOBJ hOld = SelectObject(_DC, _font);
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rc.right = nWidthLimit;
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// measure text size
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DrawTextW(_DC, pszText, nLen, &rc, dwCalcFmt);
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SelectObject(_DC, hOld);
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actualWidth = rc.right;
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actualHeight = rc.bottom;
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newFontSize = newFontSize - 1;
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}
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}
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else
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{
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// use current font to measure text extent
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HGDIOBJ hOld = SelectObject(_DC, _font);
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// measure text size
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DrawTextW(_DC, pszText, nLen, &rc, dwCalcFmt);
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SelectObject(_DC, hOld);
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}
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tRet.cx = rc.right;
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tRet.cy = rc.bottom;
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} while (0);
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return tRet;
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}
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bool prepareBitmap(int nWidth, int nHeight)
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{
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// release bitmap
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if (_bmp)
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{
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DeleteObject(_bmp);
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_bmp = nullptr;
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}
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if (nWidth > 0 && nHeight > 0)
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{
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_bmp = CreateBitmap(nWidth, nHeight, 1, 32, nullptr);
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if (!_bmp)
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{
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return false;
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}
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}
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return true;
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}
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int drawText(std::string_view text,
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SIZE& tSize,
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Device::TextAlign eAlign,
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const char* fontName,
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int textSize,
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bool enableWrap,
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int overflow)
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{
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int nRet = 0;
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wchar_t* pwszBuffer = nullptr;
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wchar_t* fixedText = nullptr;
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do
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{
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AX_BREAK_IF(text.empty());
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DWORD dwFmt = DT_WORDBREAK;
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if (!enableWrap)
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{
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dwFmt |= DT_SINGLELINE;
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}
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DWORD dwHoriFlag = (int)eAlign & 0x0f;
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DWORD dwVertFlag = ((int)eAlign & 0xf0) >> 4;
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switch (dwHoriFlag)
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{
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case 1: // left
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dwFmt |= DT_LEFT;
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break;
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case 2: // right
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dwFmt |= DT_RIGHT;
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break;
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case 3: // center
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dwFmt |= DT_CENTER;
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break;
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}
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int nLen = static_cast<int>(text.length());
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// utf-8 to utf-16
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int nBufLen = nLen + 1;
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pwszBuffer = new wchar_t[nBufLen];
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AX_BREAK_IF(!pwszBuffer);
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memset(pwszBuffer, 0, sizeof(wchar_t) * nBufLen);
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nLen = MultiByteToWideChar(CP_UTF8, 0, text.data(), nLen, pwszBuffer, nBufLen);
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if (strchr(text.data(), '&'))
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{
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fixedText = new wchar_t[nLen * 2 + 1];
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int fixedIndex = 0;
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for (int index = 0; index < nLen; ++index)
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{
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if (pwszBuffer[index] == '&')
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{
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fixedText[fixedIndex] = '&';
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fixedText[fixedIndex + 1] = '&';
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fixedIndex += 2;
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}
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else
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{
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fixedText[fixedIndex] = pwszBuffer[index];
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fixedIndex += 1;
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}
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}
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fixedText[fixedIndex] = '\0';
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nLen = fixedIndex;
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}
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SIZE newSize;
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if (fixedText)
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{
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newSize =
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sizeWithText(fixedText, nLen, dwFmt, fontName, textSize, tSize.cx, tSize.cy, enableWrap, overflow);
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}
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else
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{
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newSize =
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sizeWithText(pwszBuffer, nLen, dwFmt, fontName, textSize, tSize.cx, tSize.cy, enableWrap, overflow);
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}
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RECT rcText = {0};
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// if content width is 0, use text size as content size
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if (tSize.cx <= 0)
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{
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tSize = newSize;
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rcText.right = newSize.cx;
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rcText.bottom = newSize.cy;
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}
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else
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{
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LONG offsetX = 0;
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LONG offsetY = 0;
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rcText.right = newSize.cx; // store the text width to rectangle
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// calculate text horizontal offset
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if (1 != dwHoriFlag // and text isn't align to left
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&& newSize.cx < tSize.cx) // and text's width less then content width,
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{ // then need adjust offset of X.
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offsetX = (2 == dwHoriFlag) ? tSize.cx - newSize.cx // align to right
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: (tSize.cx - newSize.cx) / 2; // align to center
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}
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// if content height is 0, use text height as content height
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// else if content height less than text height, use content height to draw text
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if (tSize.cy <= 0)
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{
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tSize.cy = newSize.cy;
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dwFmt |= DT_NOCLIP;
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rcText.bottom = newSize.cy; // store the text height to rectangle
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}
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else if (tSize.cy < newSize.cy)
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{
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// content height larger than text height need, clip text to rect
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rcText.bottom = tSize.cy;
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}
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else
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{
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rcText.bottom = newSize.cy; // store the text height to rectangle
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// content larger than text, need adjust vertical position
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dwFmt |= DT_NOCLIP;
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// calculate text vertical offset
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offsetY = (2 == dwVertFlag) ? tSize.cy - newSize.cy // align to bottom
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: (3 == dwVertFlag) ? (tSize.cy - newSize.cy) / 2 // align to middle
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: 0; // align to top
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}
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if (offsetX || offsetY)
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{
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OffsetRect(&rcText, offsetX, offsetY);
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}
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}
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AX_BREAK_IF(!prepareBitmap(tSize.cx, tSize.cy));
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// draw text
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HGDIOBJ hOldFont = SelectObject(_DC, _font);
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HGDIOBJ hOldBmp = SelectObject(_DC, _bmp);
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SetBkMode(_DC, TRANSPARENT);
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SetTextColor(_DC, RGB(255, 255, 255)); // white color
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// draw text
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if (fixedText)
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{
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nRet = DrawTextW(_DC, fixedText, nLen, &rcText, dwFmt);
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}
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else
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{
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nRet = DrawTextW(_DC, pwszBuffer, nLen, &rcText, dwFmt);
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}
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SelectObject(_DC, hOldBmp);
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SelectObject(_DC, hOldFont);
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} while (0);
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AX_SAFE_DELETE_ARRAY(pwszBuffer);
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delete[] fixedText;
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return nRet;
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}
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AX_SYNTHESIZE_READONLY(HDC, _DC, DC);
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AX_SYNTHESIZE_READONLY(HBITMAP, _bmp, Bitmap);
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private:
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friend class Image;
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HFONT _font;
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HWND _wnd;
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void removeCustomFont()
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{
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HFONT hDefFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
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if (hDefFont != _font)
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{
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DeleteObject(_font);
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_font = hDefFont;
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}
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}
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};
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static BitmapDC& sharedBitmapDC()
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{
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static BitmapDC s_BmpDC;
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return s_BmpDC;
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}
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Data Device::getTextureDataForText(std::string_view text,
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const FontDefinition& textDefinition,
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TextAlign align,
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int& width,
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int& height,
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bool& hasPremultipliedAlpha)
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{
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Data ret;
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do
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{
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BitmapDC& dc = sharedBitmapDC();
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if (!dc.setFont(textDefinition._fontName.c_str(), (int)textDefinition._fontSize, false))
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{
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log("Can't found font(%s), use system default", textDefinition._fontName.c_str());
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}
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// draw text
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// does changing to SIZE here affects the font size by rounding from float?
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SIZE size = {(LONG)textDefinition._dimensions.width, (LONG)textDefinition._dimensions.height};
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AX_BREAK_IF(!dc.drawText(text, size, align, textDefinition._fontName.c_str(), (int)textDefinition._fontSize,
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textDefinition._enableWrap, textDefinition._overflow));
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int dataLen = size.cx * size.cy * 4;
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unsigned char* dataBuf = (unsigned char*)malloc(sizeof(unsigned char) * dataLen);
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AX_BREAK_IF(!dataBuf);
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struct
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{
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BITMAPINFOHEADER bmiHeader;
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int mask[4];
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} bi = {0};
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bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
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AX_BREAK_IF(!GetDIBits(dc.getDC(), dc.getBitmap(), 0, 0, nullptr, (LPBITMAPINFO)&bi, DIB_RGB_COLORS));
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width = (short)size.cx;
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height = (short)size.cy;
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// copy pixel data
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bi.bmiHeader.biHeight = (bi.bmiHeader.biHeight > 0) ? -bi.bmiHeader.biHeight : bi.bmiHeader.biHeight;
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GetDIBits(dc.getDC(), dc.getBitmap(), 0, height, dataBuf, (LPBITMAPINFO)&bi, DIB_RGB_COLORS);
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COLORREF textColor = (textDefinition._fontFillColor.b << 16 | textDefinition._fontFillColor.g << 8 |
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textDefinition._fontFillColor.r) &
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0x00ffffff;
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float alpha = textDefinition._fontAlpha / 255.0f;
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COLORREF* pPixel = nullptr;
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for (int y = 0; y < height; ++y)
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{
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pPixel = (COLORREF*)dataBuf + y * width;
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for (int x = 0; x < width; ++x)
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{
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COLORREF& clr = *pPixel;
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clr = ((BYTE)(GetRValue(clr) * alpha) << 24) | textColor;
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++pPixel;
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}
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}
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ret.fastSet(dataBuf, dataLen);
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hasPremultipliedAlpha = false;
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} while (0);
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return ret;
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}
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void Device::setKeepScreenOn(bool value)
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{
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AX_UNUSED_PARAM(value);
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}
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void Device::vibrate(float duration)
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{
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AX_UNUSED_PARAM(duration);
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}
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void Device::prepareImpactFeedbackGenerator(ImpactFeedbackStyle style)
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{
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AX_UNUSED_PARAM(style);
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}
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void Device::impactOccurred(ImpactFeedbackStyle style)
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{
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AX_UNUSED_PARAM(style);
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}
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void Device::prepareNotificationFeedbackGenerator() {}
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void Device::notificationOccurred(NotificationFeedbackType type)
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{
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AX_UNUSED_PARAM(type);
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}
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void Device::prepareSelectionFeedbackGenerator() {}
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void Device::selectionChanged() {}
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NS_AX_END
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