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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;
/* 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
};
static int FASTCALL CountryNumberToBitmapIndex(int countryNumber)
{
/* 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 = SIZEOF(BitmapIndexMap)-1;
if (countryNumber <= BitmapIndexMap[high])
while (low <= high) {
i = low+((high-low)/2);
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;
HDC hdc = CreateCompatibleDC(NULL);
if (hdc != NULL) {
ICONINFO icoi;
if ( GetIconInfo(hIcon,&icoi)) {
BITMAP bm;
if (GetObject(icoi.hbmColor,sizeof(bm),&bm) && bm.bmWidth<=cx && bm.bmHeight<=cy) {
POINT pt;
pt.x = (cx-bm.bmWidth)/2;
pt.y = (cy-bm.bmHeight)/2;
HBITMAP hbmPrev = (HBITMAP)SelectObject(hdc, icoi.hbmColor);
if (hbmPrev != NULL) { /* error on select? */
HBITMAP 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)
{
/* create identifier */
char *szCountry = (char*)CallService(MS_UTILS_GETCOUNTRYBYNUMBER, countryNumber, 0);
if (szCountry == NULL)
szCountry = (char*)CallService(MS_UTILS_GETCOUNTRYBYNUMBER, countryNumber=0xFFFF, 0);
char szId[20];
wsprintfA(szId, (countryNumber == 0xFFFF) ? "%s0x%X" : "%s%i", "flags_", countryNumber); /* buffer safe */
return Skin_GetIcon(szId);
}
int FASTCALL CountryNumberToIndex(int countryNumber)
{
int nf=0;
for(int 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 0;
return (INT_PTR)phIconHandles[CountryNumberToIndex((int)wParam)];
}
/* return icon */
return (INT_PTR)LoadFlagIcon(wParam);
}
static INT_PTR ServiceCreateMergedFlagIcon(WPARAM wParam,LPARAM lParam)
{
HICON hIcon=NULL;
/* load both icons */
HICON hLowerIcon = (HICON)ServiceLoadFlagIcon((WPARAM)lParam,0);
if (hLowerIcon == NULL)
return 0;
HICON hUpperIcon = (HICON)ServiceLoadFlagIcon(wParam,0);
/* merge them */
ICONINFO icoi;
if (GetIconInfo(hLowerIcon,&icoi)) {
BITMAP bm;
if (hUpperIcon != NULL && GetObject(icoi.hbmColor,sizeof(bm),&bm)) {
HDC hdc = CreateCompatibleDC(NULL);
if (hdc != NULL) {
POINT aptTriangle[3] = { 0 };
aptTriangle[1].y = bm.bmHeight-1;
aptTriangle[2].x = bm.bmWidth-1;
HRGN hrgn = CreatePolygonRgn(aptTriangle,SIZEOF(aptTriangle),WINDING);
if (hrgn != NULL) {
SelectClipRgn(hdc,hrgn);
DeleteObject(hrgn);
HBITMAP hbmPrev = (HBITMAP)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_PTR)hIcon;
}
/************************* Misc ***********************************/
void InitIcons(void)
{
char szId[20];
/* register icons */
SKINICONDESC sid = { sizeof(sid) };
sid.pszName = szId;
sid.cx = GetSystemMetrics(SM_CXSMICON);
sid.cy = GetSystemMetrics(SM_CYSMICON);
sid.flags = SIDF_SORTED;
sid.pszSection = "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 */
HIMAGELIST 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 (int i=0; i < nCountriesCount; ++i) {
sid.pszDescription = (char*)countries[i].szName;
/* create identifier */
wsprintfA(szId,(countries[i].id == 0xFFFF) ? "%s0x%X" : "%s%i","flags_", countries[i].id); /* buffer safe */
int index = CountryNumberToBitmapIndex(countries[i].id);
/* create icon */
HICON hIcon = ImageList_GetIcon(himl,index,ILD_NORMAL);
if (hIcon) {
sid.hDefaultIcon = ResizeIconCentered(hIcon,sid.cx,sid.cy);
DestroyIcon(hIcon);
}
else sid.hDefaultIcon = NULL;
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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