summaryrefslogtreecommitdiff
path: root/plugins/SmileyAdd/src/general.cpp
blob: 6f2f1611014d96970b3542d3eba14b8c4e33e18f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/*
Miranda SmileyAdd Plugin
Copyright (C) 2005 - 2012 Boris Krasnovskiy All Rights Reserved
Copyright (C) 2003 - 2004 Rein-Peter de Boer

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 version 2
of the License.

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, see <http://www.gnu.org/licenses/>.
*/

#include "general.h"

static ULONG_PTR g_gdiplusToken = 0;
static bool gdiPlusFail = false;

//
// General functions
//
int CalculateTextHeight(HDC hdc, CHARFORMAT2* chf)
{
	HDC hcdc = CreateCompatibleDC(hdc);

	int logPixelsY = GetDeviceCaps(hdc, LOGPIXELSY);
	HFONT hFont = CreateFont(-(chf->yHeight * logPixelsY / 1440), 0, 0, 0, 
		chf->wWeight, chf->dwEffects & CFE_ITALIC ? 1 : 0, 0, 0,
		chf->bCharSet, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
		DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE,
		chf->szFaceName);
	SelectObject(hcdc, hFont);

	SIZE fontSize;
	GetTextExtentPoint32(hcdc, _T(")"), 1, &fontSize);

	DeleteObject(hFont);
	DeleteDC(hcdc);

	return fontSize.cy;
}

HICON GetDefaultIcon(bool copy)
{
	HICON resIco = IcoLib_GetIcon("SmileyAdd_ButtonSmiley");
	if (resIco == NULL) 
		resIco = (HICON)LoadImage(g_hInst, MAKEINTRESOURCE(IDI_SMILINGICON), IMAGE_ICON, 0, 0, copy ? 0 : LR_SHARED);
	else if (copy) {
		resIco = (HICON)CopyImage(resIco, IMAGE_ICON, 0, 0, 0);
		IcoLib_Release("SmileyAdd_ButtonSmiley");
	}

	return resIco;
}

const TCHAR* GetImageExt(CMString &fname)
{
	const TCHAR* ext = _T("");

	int fileId = _topen(fname.c_str(), O_RDONLY | _O_BINARY);
	if (fileId != -1) {
		BYTE buf[6];

		int bytes = _read(fileId, buf, sizeof(buf));
		if (bytes > 4) {
			if ( *(unsigned short*)buf == 0xd8ff )
				ext = _T("jpg");
			else if ( *(unsigned short*)buf == 0x4d42 )
				ext = _T("bmp");
			else if ( *(unsigned*)buf == 0x474e5089 )
				ext = _T("png");
			else if ( *(unsigned*)buf == 0x38464947 )
				ext = _T("gif");
		}
		_close(fileId);
	}
	return ext;
}

HICON ImageList_GetIconFixed (HIMAGELIST himl, INT i, UINT fStyle)
{
	ICONINFO ii;
	HICON hIcon;
	HBITMAP hOldDstBitmap;
	HDC hdcDst;

	int cx, cy;
	ImageList_GetIconSize(himl, &cx, &cy);

	hdcDst = CreateCompatibleDC(NULL);

	ii.fIcon = TRUE;
	ii.xHotspot = 0;
	ii.yHotspot = 0;

	/* draw mask*/
	ii.hbmMask = CreateBitmap (cx, cy, 1, 1, NULL);
	hOldDstBitmap = (HBITMAP)SelectObject (hdcDst, ii.hbmMask);
	PatBlt(hdcDst, 0, 0, cx, cy, WHITENESS);
	ImageList_Draw(himl, i, hdcDst, 0, 0, fStyle | ILD_MASK);

	/* draw image*/
	ii.hbmColor = CreateBitmap (cx, cy, 1, 32, NULL);
	SelectObject (hdcDst, ii.hbmColor);
	PatBlt (hdcDst, 0, 0, cx, cy, BLACKNESS);
	ImageList_Draw(himl, i, hdcDst, 0, 0, fStyle | ILD_TRANSPARENT);

	/*
	* CreateIconIndirect requires us to deselect the bitmaps from
	* the DCs before calling
	*/
	SelectObject(hdcDst, hOldDstBitmap);

	hIcon = CreateIconIndirect (&ii);

	DeleteObject (ii.hbmMask);
	DeleteObject (ii.hbmColor);
	DeleteDC (hdcDst);

	return hIcon;
}

void pathToRelative(const CMString& pSrc, CMString& pOut)
{
	TCHAR szOutPath[MAX_PATH];
	PathToRelativeT(pSrc.c_str(), szOutPath);
	pOut = szOutPath;
}

void pathToAbsolute(const CMString& pSrc, CMString& pOut) 
{
	TCHAR szOutPath[MAX_PATH];

	TCHAR *szVarPath = Utils_ReplaceVarsT(pSrc.c_str());
	if (szVarPath == (TCHAR*)CALLSERVICE_NOTFOUND || szVarPath == NULL) {
		TCHAR szExpPath[MAX_PATH];
		ExpandEnvironmentStrings(pSrc.c_str(), szExpPath, SIZEOF(szExpPath));
		PathToAbsoluteT(szExpPath, szOutPath);
	}
	else {
		PathToAbsoluteT(szVarPath, szOutPath);
		mir_free(szVarPath);
	}
	pOut = szOutPath;
}

/////////////////////////////////////////////////////////////////////////////////////////
// UrlDecode - converts URL chars like %20 into printable characters

static int __fastcall SingleHexToDecimal(char c)
{
	if (c >= '0' && c <= '9') return c-'0';
	if (c >= 'a' && c <= 'f') return c-'a'+10;
	if (c >= 'A' && c <= 'F') return c-'A'+10;
	return -1;
}

void  UrlDecode(char* str)
{
	char* s = str, *d = str;

	while(*s) {
		if (*s == '%') {
			int digit1 = SingleHexToDecimal(s[1]);
			if (digit1 != -1) {
				int digit2 = SingleHexToDecimal(s[2]);
				if (digit2 != -1) {
					s += 3;
					*d++ = (char)((digit1 << 4) | digit2);
					continue;
				}	
			}	
		}
		*d++ = *s++;
	}

	*d = 0;
}


bool InitGdiPlus(void)
{
	Gdiplus::GdiplusStartupInput gdiplusStartupInput;

	static const TCHAR errmsg[] = _T("GDI+ not installed.\n")
		_T("GDI+ can be downloaded here: http://www.microsoft.com/downloads");

	__try {
		if (g_gdiplusToken == 0 && !gdiPlusFail)
			Gdiplus::GdiplusStartup(&g_gdiplusToken, &gdiplusStartupInput, NULL);
	}
	__except(EXCEPTION_EXECUTE_HANDLER) {
		gdiPlusFail = true;
		ReportError(errmsg);
	}

	return !gdiPlusFail;
}

void DestroyGdiPlus(void)
{
	if (g_gdiplusToken != 0) {
		Gdiplus::GdiplusShutdown(g_gdiplusToken);
		g_gdiplusToken = 0;
	}
}

MCONTACT DecodeMetaContact(MCONTACT hContact)
{
	if (hContact == NULL)
		return NULL;
	
	MCONTACT hReal = db_mc_getMostOnline(hContact);
	if (hReal == NULL || hReal == (MCONTACT)CALLSERVICE_NOTFOUND)
		hReal = hContact;

	return hReal;
}

bool IsSmileyProto(char* proto)
{
	return proto && mir_strcmp(proto, META_PROTO) && (CallProtoService(proto, PS_GETCAPS, PFLAGNUM_1, 0) & (PF1_IM | PF1_CHAT));
}

void ReportError(const TCHAR* errmsg)
{
	static const TCHAR title[] = _T("Miranda SmileyAdd");

	POPUPDATAT pd = {0};
	mir_tstrcpy(pd.lpwzContactName, title);
	mir_tstrcpy(pd.lpwzText, errmsg);
	pd.iSeconds = -1;
	if (PUAddPopupT(&pd) == CALLSERVICE_NOTFOUND)
		MessageBox(NULL, errmsg, title, MB_OK | MB_ICONWARNING | MB_TOPMOST);
}