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/*
Miranda IM Country Flags Plugin
Copyright (C) 2006-1007 H. Herkenrath
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 (Flags-License.txt); if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "flags.h"
extern HINSTANCE hInst;
extern int nCountriesCount;
extern struct CountryListEntry *countries;
static HANDLE hServiceLoadIcon,hServiceCreateMergedIcon;
/************************* Bitmap Access **************************/
static HANDLE *phIconHandles;
static int FASTCALL CountryNumberToBitmapIndex(int countryNumber)
{
/* country number indices (same order as in flags.bmp) */
const int BitmapIndexMap[232]={
0, 1, 7, 20, 27, 30, 31, 32, 33, 34, 36, 39, 40, 41, 43, 44, 45, 46, 47, 48,
49, 51, 52, 53, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 81, 82, 84, 86,
90, 91, 92, 93, 94, 95, 98, 101, 102, 103, 104, 105, 106, 107, 178, 108, 109, 110, 111, 112,
113, 116, 117, 118, 121, 122, 123, 212, 213, 216, 218, 220, 221, 222, 223, 224, 225, 226, 227, 228,
229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 248, 249,
250, 251, 252, 253, 254, 255, 256, 257, 258, 260, 261, 263, 264, 265, 266, 267, 268, 269, 290, 291,
297, 298, 299, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 370, 371, 372, 373, 374, 375, 376,
377, 378, 379, 380, 381, 382, 385, 386, 387, 389, 420, 421, 441, 442, 500, 501, 502, 503, 504, 505,
506, 507, 508, 509, 590, 591, 592, 593, 595, 596, 597, 598, 599, 670, 671, 672, 673, 674, 675, 676,
677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 705, 706, 708, 709,
711, 850, 852, 853, 855, 856, 880, 886, 960, 961, 962, 963, 964, 965, 966, 967, 968, 971, 972, 973,
974, 975, 976, 977, 994, 995,1141,2691,3811,4101,6101,6722
};
/* shared flags by multiple countries */
switch(countryNumber) {
case 262: /* Reunion Island */
case 594: /* French Guiana */
case 5901: /* French Antilles */
countryNumber=33; /* France */
break;
case 120: /* Barbuda */
countryNumber=102; /* Antigua and Barbuda */
break;
case 6702: /* Tinian Island */
case 6701: /* Rota Island */
countryNumber=670; /* Saipan Island (Northern Mariana Islands) */
break;
case 115: /* Saint Kitts */
case 114: /* Nevis */
countryNumber=1141; /* Saint Kitts and Nevis */
break;
case 247: /* Ascension Island */
countryNumber=44; /* United Kingdom */
break;
case 6721: /* Australian Antarctic Territory */
countryNumber=61; /* Australia */
break;
case 5399: /* Guantanamo Bay */
countryNumber=1; /* USA */
}
/* binary search in index array */
{ int low=0,i,high;
high=SIZEOF(BitmapIndexMap)-1;
if(countryNumber<=BitmapIndexMap[high])
while(low<=high) {
i=low+((high-low)/2);
/* never happens */
if(i<0 || i>=SIZEOF(BitmapIndexMap)) DebugBreak();
if(BitmapIndexMap[i]==countryNumber) return i;
if(countryNumber>BitmapIndexMap[i]) low=i+1;
else high=i-1;
}
}
/* Other,Unknown,Unspecified */
return 0;
}
// return value needs to be released using DestroyIcon()
// only operates on color icons, which isn't a problem here
static HICON FASTCALL ResizeIconCentered(HICON hIcon,int cx,int cy)
{
HICON hResIcon=NULL;
ICONINFO icoi;
BITMAP bm;
register HDC hdc;
HBITMAP hbmPrev,hbm;
POINT pt;
hdc=CreateCompatibleDC(NULL);
if(hdc!=NULL) {
if(GetIconInfo(hIcon,&icoi)) {
if(GetObject(icoi.hbmColor,sizeof(bm),&bm) && bm.bmWidth<=cx && bm.bmHeight<=cy) {
pt.x=(cx-bm.bmWidth)/2;
pt.y=(cy-bm.bmHeight)/2;
hbmPrev=SelectObject(hdc,icoi.hbmColor);
if(hbmPrev!=NULL) { /* error on select? */
hbm=icoi.hbmColor;
icoi.hbmColor=CreateCompatibleBitmap(hdc,cx,cy);
if(icoi.hbmColor!=NULL)
if(SelectObject(hdc,icoi.hbmColor)!=NULL) { /* error on select? */
DeleteObject(hbm); /* delete prev color (XOR) */
if(BitBlt(hdc,0,0,cx,cy,NULL,0,0,BLACKNESS)) /* transparency: AND=0, XOR=1 */
if(DrawIconEx(hdc,pt.x,pt.y,hIcon,bm.bmWidth,bm.bmHeight,0,NULL,DI_IMAGE|DI_NOMIRROR)) {
if(SelectObject(hdc,icoi.hbmMask)!=NULL) { /* error on select? */
hbm=icoi.hbmMask;
icoi.hbmMask=CreateBitmap(cx,cy,1,1,NULL); /* mono */
if(icoi.hbmMask!=NULL)
if(SelectObject(hdc,icoi.hbmMask)!=NULL) { /* error on select? */
DeleteObject(hbm); /* delete prev mask (AND) */
if(BitBlt(hdc,0,0,cx,cy,NULL,0,0,WHITENESS)) /* transparency: AND=0, XOR=1 */
if(DrawIconEx(hdc,pt.x,pt.y,hIcon,0,0,0,NULL,DI_MASK|DI_NOMIRROR)) {
SelectObject(hdc,hbmPrev);
hResIcon=CreateIconIndirect(&icoi); /* bitmaps must not be selected */
}
}
}
}
}
SelectObject(hdc,hbmPrev);
}
}
DeleteObject(icoi.hbmColor);
DeleteObject(icoi.hbmMask);
}
DeleteDC(hdc);
}
return hResIcon;
}
/************************* Utils **********************************/
HICON FASTCALL LoadFlagIcon(int countryNumber)
{
char szId[20],*szCountry;
/* create identifier */
szCountry=(char*)CallService(MS_UTILS_GETCOUNTRYBYNUMBER,countryNumber,0);
if(szCountry==NULL) szCountry=(char*)CallService(MS_UTILS_GETCOUNTRYBYNUMBER,countryNumber=0xFFFF,0);
wsprintfA(szId,(countryNumber==0xFFFF)?"%s0x%X":"%s%i","flags_",countryNumber); /* buffer safe */
return (HICON)CallService(MS_SKIN2_GETICON,0,(LPARAM)szId);
}
int FASTCALL CountryNumberToIndex(int countryNumber)
{
int i,nf=0;
for(i=0;i<nCountriesCount;++i) {
if(countries[i].id==countryNumber) return i;
if(countries[i].id==0xFFFF) nf=i;
}
return nf; /* Unknown */
}
/************************* Services *******************************/
static INT_PTR ServiceLoadFlagIcon(WPARAM wParam,LPARAM lParam)
{
/* return handle */
if ((BOOL)lParam) {
if(phIconHandles==NULL) return (int)(HANDLE)NULL;
return (int)phIconHandles[CountryNumberToIndex((int)wParam)];
}
/* return icon */
return (int)LoadFlagIcon(wParam);
}
static INT_PTR ServiceCreateMergedFlagIcon(WPARAM wParam,LPARAM lParam)
{
HICON hUpperIcon,hLowerIcon;
ICONINFO icoi;
BITMAP bm;
HDC hdc;
POINT aptTriangle[3];
HICON hIcon=NULL;
HRGN hrgn;
HBITMAP hbmPrev;
/* load both icons */
hLowerIcon=(HICON)ServiceLoadFlagIcon((WPARAM)lParam,0);
if(hLowerIcon==NULL) return (int)(HICON)NULL;
hUpperIcon=(HICON)ServiceLoadFlagIcon(wParam,0);
/* merge them */
if(GetIconInfo(hLowerIcon,&icoi)) {
if(hUpperIcon!=NULL && GetObject(icoi.hbmColor,sizeof(bm),&bm)) {
hdc=CreateCompatibleDC(NULL);
if(hdc!=NULL) {
ZeroMemory(&aptTriangle,sizeof(aptTriangle));
aptTriangle[1].y=bm.bmHeight-1;
aptTriangle[2].x=bm.bmWidth-1;
hrgn=CreatePolygonRgn(aptTriangle,SIZEOF(aptTriangle),WINDING);
if(hrgn!=NULL) {
SelectClipRgn(hdc,hrgn);
DeleteObject(hrgn);
hbmPrev=SelectObject(hdc,icoi.hbmColor);
if(hbmPrev!=NULL) { /* error on select? */
if(DrawIconEx(hdc,0,0,hUpperIcon,bm.bmWidth,bm.bmHeight,0,NULL,DI_NOMIRROR|DI_IMAGE))
if(SelectObject(hdc,icoi.hbmMask)!=NULL) /* error on select? */
DrawIconEx(hdc,0,0,hUpperIcon,bm.bmWidth,bm.bmHeight,0,NULL,DI_NOMIRROR|DI_MASK);
SelectObject(hdc,hbmPrev);
}
DeleteObject(hrgn);
}
DeleteDC(hdc);
}
}
/* create icon */
hIcon=CreateIconIndirect(&icoi);
DeleteObject(icoi.hbmColor);
DeleteObject(icoi.hbmMask);
}
return (int)hIcon;
}
/************************* Misc ***********************************/
void InitIcons(void)
{
HIMAGELIST himl;
SKINICONDESC sid;
char szId[20];
int i,index;
HICON hIcon;
WCHAR szName[64];
LCID locale;
locale=(LCID)CallService(MS_LANGPACK_GETLOCALE,0,0);
/* register icons */
ZeroMemory(&sid,sizeof(sid));
sid.cbSize=sizeof(sid);
sid.pszName=szId;
sid.cx=GetSystemMetrics(SM_CXSMICON);
sid.cy=GetSystemMetrics(SM_CYSMICON);
sid.flags=SIDF_SORTED|SIDF_TCHAR;
sid.ptszSection=TranslateT("Country Flags");
/* all those flag icons do not need any transparency mask (flags are always opaque),
* storing them in a large bitmap to reduce file size */
himl=ImageList_LoadImage(hInst,MAKEINTRESOURCE(IDB_FLAGS),sid.cx,0,CLR_NONE,IMAGE_BITMAP,LR_CREATEDIBSECTION);
if(himl!=NULL) {
phIconHandles=(HANDLE*)mir_alloc(nCountriesCount*sizeof(HANDLE));
if(phIconHandles!=NULL)
for(i=0;i<nCountriesCount;++i) {
MultiByteToWideChar(locale,0,countries[i].szName,-1,szName,SIZEOF(szName));
szName[SIZEOF(szName)-1]=L'\0';
sid.pwszDescription=TranslateW(szName);
/* create identifier */
wsprintfA(szId,(countries[i].id==0xFFFF)?"%s0x%X":"%s%i","flags_",countries[i].id); /* buffer safe */
index=CountryNumberToBitmapIndex(countries[i].id);
/* create icon */
hIcon=ImageList_GetIcon(himl,index,ILD_NORMAL);
sid.hDefaultIcon=(hIcon!=NULL)?ResizeIconCentered(hIcon,sid.cx,sid.cy):NULL;
if(hIcon!=NULL) DestroyIcon(hIcon);
index=CountryNumberToIndex(countries[i].id);
phIconHandles[index] = Skin_AddIcon(&sid);
if(sid.hDefaultIcon!=NULL) DestroyIcon(sid.hDefaultIcon);
}
ImageList_Destroy(himl);
}
/* create services */
hServiceLoadIcon=CreateServiceFunction(MS_FLAGS_LOADFLAGICON,ServiceLoadFlagIcon);
hServiceCreateMergedIcon=CreateServiceFunction(MS_FLAGS_CREATEMERGEDFLAGICON,ServiceCreateMergedFlagIcon);
}
void UninitIcons(void)
{
DestroyServiceFunction(hServiceLoadIcon);
DestroyServiceFunction(hServiceCreateMergedIcon);
}
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