windows/EmoticonsManager.cpp - master - makani/strongdc

windows/EmoticonsManager.cpp
149 строк5 KB
bigmuscle
added "Microsoft Jet 4.0" to libraries that could cause crash
26 июн 2010, 02:08
26 июн 2010, 02:08e419f88
/* 
 * 
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "stdafx.h"
#include "../client/DCPlusPlus.h"
#include "../client/SimpleXML.h"
#include "../client/Pointer.h"

#include "EmoticonsManager.h"
#include <math.h>

Emoticon::Emoticon(const tstring& _emoticonText, const string& _imagePath) : 
	emoticonText(_emoticonText), imagePath(_imagePath)
{
	emoticonBitmap = (HBITMAP) ::LoadImage(0, Text::toT(imagePath).c_str(), IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
	if(!emoticonBitmap)
		return;
	
	BITMAP bm = { 0 };
	GetObject(emoticonBitmap, sizeof(bm), &bm);
	
	if(bm.bmBitsPixel == 32) {
		BYTE *pBits = new BYTE[bm.bmWidth * bm.bmHeight * 4];
		GetBitmapBits(emoticonBitmap, bm.bmWidth * bm.bmHeight * 4, pBits);
		
		// fix alpha channel	
		for (int y = 0; y < bm.bmHeight; y++) {
			BYTE * pPixel = (BYTE *) pBits + bm.bmWidth * 4 * y;

			for (int x = 0; x < bm.bmWidth; x++) {
				pPixel[0] = pPixel[0] * pPixel[3] / 255; 
				pPixel[1] = pPixel[1] * pPixel[3] / 255; 
				pPixel[2] = pPixel[2] * pPixel[3] / 255; 

				pPixel += 4;
			}
		}
		SetBitmapBits(emoticonBitmap, bm.bmWidth * bm.bmHeight * 4, pBits);
	    
		delete[] pBits;
	}
}

HBITMAP Emoticon::getEmoticonBmp(const COLORREF &clrBkColor) {
	if(!emoticonBitmap)
		return NULL;

	HDC DirectDC = CreateCompatibleDC(NULL);
	HDC memDC = CreateCompatibleDC(DirectDC);
	
	BITMAP bm = { 0 };
	GetObject(emoticonBitmap, sizeof(bm), &bm);

	BITMAPINFO bmi;
	ZeroMemory(&bmi, sizeof(BITMAPINFO));
	bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
	bmi.bmiHeader.biWidth = bm.bmWidth;
	bmi.bmiHeader.biHeight = bm.bmHeight;
	bmi.bmiHeader.biPlanes = 1;
	bmi.bmiHeader.biBitCount = bm.bmBitsPixel;
	bmi.bmiHeader.biCompression = BI_RGB;
	bmi.bmiHeader.biSizeImage = bm.bmWidth * bm.bmHeight * (bm.bmBitsPixel / 8);
	
	VOID *pvBits;
	HBITMAP DirectBitmap = CreateDIBSection(memDC, &bmi, DIB_RGB_COLORS, &pvBits, NULL, 0);

	SelectObject(memDC, emoticonBitmap);
	SelectObject(DirectDC, DirectBitmap);

	SetBkColor(DirectDC, clrBkColor);
	
	RECT rc = { 0, 0, bm.bmWidth, bm.bmHeight };
	ExtTextOut(DirectDC, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL);

	if(bm.bmBitsPixel == 32) {
		BLENDFUNCTION bf = { AC_SRC_OVER, 0, 255, AC_SRC_ALPHA };
		AlphaBlend(DirectDC, 0, 0, bm.bmWidth, bm.bmHeight, memDC, 0, 0, bm.bmWidth, bm.bmHeight, bf);
	} else {
		TransparentBlt(DirectDC, 0, 0, bm.bmWidth, bm.bmHeight, memDC, 0, 0, bm.bmWidth, bm.bmHeight, GetPixel(memDC, 0, 0));	
	}

	DeleteDC(memDC);
	DeleteDC(DirectDC);

    return DirectBitmap;
}

void EmoticonsManager::Load() {

	setUseEmoticons(false);

	if((SETTING(EMOTICONS_FILE) == "Disabled") || !Util::fileExists(Util::getPath(Util::PATH_EMOPACKS) + SETTING(EMOTICONS_FILE) + ".xml" )) {
		return;
	}

	try {
		SimpleXML xml;
		xml.fromXML(File(Util::getPath(Util::PATH_EMOPACKS) + SETTING(EMOTICONS_FILE) + ".xml", File::READ, File::OPEN).read());
		
		if(xml.findChild("Emoticons")) {
			xml.stepIn();

			while(xml.findChild("Emoticon")) {
				tstring strEmotionText = Text::toT(xml.getChildAttrib("PasteText"));
				if (strEmotionText.empty()) {
					strEmotionText = Text::toT(xml.getChildAttrib("Expression"));
				}
				
				string strEmotionBmpPath = xml.getChildAttrib("Bitmap");
				if (!strEmotionBmpPath.empty()) {
					if (strEmotionBmpPath[0] == '.') {
						// change relative path
						strEmotionBmpPath = Util::getPath(Util::PATH_EMOPACKS) + strEmotionBmpPath;
					} else {
						strEmotionBmpPath = "EmoPacks\\" + strEmotionBmpPath;
					}
				}

				emoticons.push_back(new Emoticon(strEmotionText, strEmotionBmpPath));
			}
			xml.stepOut();
		}
	} catch(const Exception& e) {
		dcdebug("EmoticonsManager::Create: %s\n", e.getError().c_str());
		return;
	}
	
	setUseEmoticons(true);
}

void EmoticonsManager::Unload() {
	for_each(emoticons.begin(), emoticons.end(), DeleteFunction());
	emoticons.clear();
}