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examples: GoogleMaps
git-svn-id: svn://ultimatepp.org/upp/trunk@2037 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl
parent
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commit
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8 changed files with 407 additions and 0 deletions
159
examples/GoogleMaps/GoogleMaps.cpp
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159
examples/GoogleMaps/GoogleMaps.cpp
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#include "GoogleMaps.h"
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#include <CtrlLib/CtrlLib.h>
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#include <Web/Web.h>
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#include <Geom/Coords/GeomCoords.h>
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using namespace Upp;
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#define LLOG(x) // LOG(x)
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String apikey = "";
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void SetGoogleMapsKey(const char *key)
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{
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apikey = key;
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}
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String GetGoogleMap(double center_x, double center_y, int zoom, int cx, int cy,
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const char *format, String *error)
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{
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String request;
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request << "http://maps.google.com/maps/api/staticmap?center=" <<
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AsString(center_y) << ',' << AsString(center_x) <<
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"&zoom=" << zoom <<
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"&size=" << cx << 'x' << cy <<
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"&format=" << format <<
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"&sensor=false&key=" << apikey;
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return HttpClientGet(request, NULL, error);
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}
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Image GetGoogleMapImage(double center_x, double center_y, int zoom, int cx, int cy,
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const char *format, String *error)
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{
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return StreamRaster::LoadStringAny(GetGoogleMap(center_x, center_y, zoom, cx, cy, format, error));
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}
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double CvDeg(double deg, double minutes, double seconds)
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{
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return deg + (double)minutes / 60 + seconds / 3600;
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}
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static void sFetch(double& a, double *x, int& ii)
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{
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a = CvDeg(x[0], x[1], x[2]);
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ii = 0;
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}
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int CharFilterH(int c)
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{
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return c == 'e' || c == 'E' ? 'r' : c == '\'' || c == '\"' ? '@' : c;
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}
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Pointf ScanGPS(const char *s)
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{
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String h = Filter(s, CharFilterH);
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Pointf r = Null;
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double x[3];
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CParser p(h);
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x[0] = x[1] = x[2] = 0;
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int ii = 0;
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while(!p.IsEof()) {
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if(p.IsDouble()) {
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if(ii < 3)
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x[ii++] = p.ReadDouble();
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else {
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if(IsNull(r.y))
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sFetch(r.y, x, ii);
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else {
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sFetch(r.x, x, ii);
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break;
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}
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x[ii++] = p.ReadDouble();
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}
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}
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else
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if(p.Char('W') || p.Char('w')) {
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if(x[0] > 0)
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x[0] = -x[0];
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sFetch(r.x, x, ii);
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}
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else
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if(p.Char('r'))
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sFetch(r.x, x, ii);
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else
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if(p.Char('S') || p.Char('s')) {
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if(x[0] > 0)
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x[0] = -x[0];
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sFetch(r.y, x, ii);
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}
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else
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if(p.Char('N') || p.Char('n'))
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sFetch(r.y, x, ii);
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else
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p.SkipTerm();
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}
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if(!IsNull(r.y) && IsNull(r.x))
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sFetch(r.x, x, ii);
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return r;
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}
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String FormatGPSX(double x)
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{
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return IsNull(x) ? String() : FormatDegree(x, 2) + (x < 0 ? "W" : "E");
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}
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String FormatGPSY(double y)
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{
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return IsNull(y) ? String() : FormatDegree(y, 2) + (y < 0 ? "S" : "N");
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}
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String FormatGPS(Pointf p)
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{
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return FormatGPSY(p.y) + ' ' + FormatGPSX(p.x);
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}
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static const double sOffset = 268435456;
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static const double sRadius = sOffset / M_PI;
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static int LToX_(double x)
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{
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return int(sOffset + sRadius * x * M_PI / 180);
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}
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static int LToY_(double y)
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{
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return int(sOffset - sRadius * log((1 + sin(y * M_PI / 180))/(1 - sin( y * M_PI / 180))) / 2);
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}
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static double XToL_(int x)
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{
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return ((x - sOffset) / sRadius) * 180 / M_PI;
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}
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static double YToL_(int y)
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{
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return (M_PI / 2 - 2 * atan(exp((y - sOffset) / sRadius))) * 180 / M_PI;
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}
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Pointf GoogleMapsPixelToGps(Pointf center, int zoom, Point diff)
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{
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return Pointf(XToL_(LToX_(center.x) + (diff.x << (21 - zoom))),
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YToL_(LToY_(center.y) + (diff.y << (21 - zoom))));
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}
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Pointf GoogleMapsPixelToGps(Pointf center, int zoom, Size sz, Point p)
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{
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return GoogleMapsPixelToGps(center, zoom, p - sz / 2);
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}
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Pointf GoogleMapsGpsToPixelDiff(Pointf center, int zoom, Pointf gps)
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{
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return Pointf((LToX_(center.x) - LToX_(gps.x)) >> (21 - zoom),
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(LToY_(center.y) - LToY_(gps.y)) >> (21 - zoom));
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}
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Pointf GoogleMapsGpsToPixel(Pointf center, int zoom, Size sz, Pointf gps)
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{
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return sz / 2 - GoogleMapsGpsToPixelDiff(center, zoom, gps);
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}
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35
examples/GoogleMaps/GoogleMaps.h
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35
examples/GoogleMaps/GoogleMaps.h
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#ifndef _GoogleMaps_GoogleMaps_h
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#define _GoogleMaps_GoogleMaps_h
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#include <CtrlLib/CtrlLib.h>
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using namespace Upp;
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#define LAYOUTFILE <GoogleMaps/GoogleMaps.lay>
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#include <CtrlCore/lay.h>
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#define IMAGECLASS GoogleMapsImg
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#define IMAGEFILE <GoogleMaps/GoogleMaps.iml>
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#include <Draw/iml_header.h>
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void SetGoogleMapsKey(const char *key);
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String GetGoogleMap(double center_x, double center_y, int zoom, int cx, int cy,
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const char *format = "png", String *error = NULL);
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Image GetGoogleMapImage(double center_x, double center_y, int zoom, int cx, int cy,
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const char *format = "png", String *error = NULL);
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double CvDeg(double deg, double minutes, double seconds);
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Pointf GoogleMapsPixelToGps(Pointf center, int zoom, Point diff);
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Pointf GoogleMapsPixelToGps(Pointf center, int zoom, Size sz, Point p);
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Pointf GoogleMapsGpsToPixelDiff(Pointf center, int zoom, Pointf gps);
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Pointf GoogleMapsGpsToPixel(Pointf center, int zoom, Size sz, Pointf gps);
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Pointf ScanGPS(const char *s);
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String FormatGPSX(double x);
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String FormatGPSY(double y);
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String FormatGPS(Pointf p);
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bool MapDlg(Pointf& p);
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#endif
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31
examples/GoogleMaps/GoogleMaps.iml
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31
examples/GoogleMaps/GoogleMaps.iml
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PREMULTIPLIED
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IMAGE_ID(Pin)
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IMAGE_BEGIN_DATA
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IMAGE_DATA(120,156,173,149,221,43,60,97,20,199,199,122,105,215,187,236,74,12,191,197,134,164,216,245,182,94,195,141,205,75,27,218)
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IMAGE_DATA(27,114,129,80,68,45,165,85,36,132,200,80,100,47,182,20,202,205,202,157,43,55,238,246,15,80,254,129,41,127,199,247)
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IMAGE_DATA(247,156,211,174,166,105,236,172,151,83,79,187,205,204,243,153,243,253,158,115,158,145,236,146,83,178,73,255,36,147,240,90)
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IMAGE_DATA(44,22,197,106,181,198,10,11,11,81,80,80,128,172,172,172,104,90,90,90,80,220,147,205,54,107,35,61,61,61,90,92)
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IMAGE_DATA(92,140,250,250,122,244,244,244,96,120,120,24,67,67,67,104,111,111,71,85,85,21,242,242,242,32,30,11,164,128,146,51)
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IMAGE_DATA(51,51,213,178,178,50,116,116,116,32,16,8,96,115,115,19,23,23,23,56,57,57,193,242,242,50,70,70,70,208,216,216)
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IMAGE_DATA(136,162,162,34,136,252,163,38,121,197,74,74,74,224,241,120,48,57,57,137,173,173,45,60,60,60,224,227,227,3,111,111)
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IMAGE_DATA(111,184,190,190,198,202,202,10,124,62,31,231,78,30,136,109,193,47,112,193,220,220,92,212,212,212,96,112,112,16,139,139)
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IMAGE_DATA(139,56,61,61,197,243,243,51,84,85,197,251,251,59,179,119,119,119,49,53,53,197,249,147,14,225,41,12,252,148,69,110)
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IMAGE_DATA(42,121,214,208,208,192,126,173,174,174,226,252,252,28,143,143,143,120,125,125,197,203,203,11,238,239,239,113,112,112,128,185)
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IMAGE_DATA(185,57,244,245,245,161,186,186,154,189,20,53,210,235,86,232,61,14,135,131,189,33,143,214,214,214,56,191,187,187,59,60)
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IMAGE_DATA(61,61,49,55,18,137,96,127,127,31,243,243,243,232,239,239,103,45,164,89,228,66,57,122,19,185,137,5,61,143,188,63)
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IMAGE_DATA(60,60,68,56,28,198,237,237,45,110,110,110,112,121,121,137,237,237,109,204,206,206,26,241,98,113,94,64,207,163,222,88)
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IMAGE_DATA(88,88,224,189,103,103,103,184,186,186,98,214,241,241,49,215,123,122,122,154,245,234,120,136,243,162,90,30,249,71,245,32)
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IMAGE_DATA(207,215,215,215,177,183,183,199,156,163,163,35,236,236,236,112,125,39,38,38,208,217,217,105,196,11,196,243,100,158,221,110)
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IMAGE_DATA(71,93,93,29,186,186,186,224,247,251,217,167,141,141,13,132,66,33,94,228,233,204,204,12,231,223,210,210,2,167,211,169)
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IMAGE_DATA(231,5,227,191,204,163,250,82,205,220,110,55,6,6,6,184,7,201,171,165,165,37,238,31,98,141,141,141,241,204,144,47)
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IMAGE_DATA(21,21,21,200,207,207,215,242,162,90,30,205,169,44,203,220,171,173,173,173,236,249,232,232,40,235,27,31,31,231,62,238)
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IMAGE_DATA(237,237,69,115,115,51,92,46,23,74,75,75,185,95,140,120,98,206,248,30,205,71,101,101,37,106,107,107,209,212,212,132)
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IMAGE_DATA(182,182,54,116,119,119,179,95,244,14,202,139,88,229,229,229,172,39,39,39,199,144,151,145,145,129,236,236,108,246,131,234)
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IMAGE_DATA(66,189,79,92,154,127,242,128,22,249,69,26,41,47,98,209,251,197,249,163,231,49,147,174,145,102,155,205,6,154,59,242)
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IMAGE_DATA(229,171,69,28,202,139,88,164,75,156,11,218,250,42,244,95,204,12,95,39,238,119,22,237,161,189,113,158,55,209,207,127)
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IMAGE_DATA(180,18,161,254,1,75,209,240,130,127,192,211,159,89,177,95,176,140,206,84,239,15,89,170,1,43,17,202,15,120,201,190)
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IMAGE_DATA(75,178,244,189,218,36,253,30,197,35,213,254,81,165,212,191,195,159,115,248,67,157,250,48,211,157,138,78,125,124,165,59)
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IMAGE_DATA(89,61,205,194,168,222,222,164,59,204,67,171,91,49,121,54,149,72,244,249,111,116,234,67,145,82,212,249,31,15,143,80)
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IMAGE_DATA(58,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
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IMAGE_END_DATA(832, 1)
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15
examples/GoogleMaps/GoogleMaps.lay
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15
examples/GoogleMaps/GoogleMaps.lay
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LAYOUT(MapDlgLayout, 428, 340)
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UNTYPED(map, HSizePosZ(8, 136).VSizePosZ(8, 8))
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ITEM(Button, zoomout, SetLabel(t_("-")).RightPosZ(104, 24).TopPosZ(8, 20))
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ITEM(DropList, zoom, RightPosZ(40, 60).TopPosZ(8, 19))
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ITEM(Button, zoomin, SetLabel(t_("+")).RightPosZ(8, 24).TopPosZ(8, 20))
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ITEM(Button, up, RightPosZ(56, 24).TopPosZ(40, 40))
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ITEM(Button, left, RightPosZ(88, 40).TopPosZ(80, 24))
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ITEM(Button, right, RightPosZ(8, 40).TopPosZ(80, 24))
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ITEM(Button, down, RightPosZ(56, 24).TopPosZ(104, 40))
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ITEM(Button, cancel, SetLabel(t_("Cancel")).RightPosZ(72, 56).BottomPosZ(8, 24))
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ITEM(Button, ok, SetLabel(t_("OK")).RightPosZ(8, 56).BottomPosZ(8, 24))
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ITEM(Label, gpsy, SetFrame(BlackFrame()).RightPosZ(8, 120).TopPosZ(164, 24))
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ITEM(Label, gpsx, SetFrame(BlackFrame()).RightPosZ(8, 120).TopPosZ(192, 24))
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END_LAYOUT
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15
examples/GoogleMaps/GoogleMaps.upp
Normal file
15
examples/GoogleMaps/GoogleMaps.upp
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uses
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Geom\Coords,
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CtrlLib;
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file
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GoogleMaps.h,
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GoogleMaps.cpp,
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MapDlg.cpp,
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GoogleMaps.lay,
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GoogleMaps.iml,
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Main.cpp;
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mainconfig
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"" = "GUI";
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11
examples/GoogleMaps/Main.cpp
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11
examples/GoogleMaps/Main.cpp
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#include "GoogleMaps.h"
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GUI_APP_MAIN {
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// Following key was obtained for U++ project, please get your owen key if you want to use
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// GoogleMaps API here (it is free): http://code.google.com/intl/cs/apis/maps/signup.html
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SetGoogleMapsKey("ABQIAAAAXHmSFgmVIbMZDJ5RhfPINBSBetkRueiarolywVmVT7jJWZRGvBQFIvrtty50ivBLt4YApjpEVXW8Hw");
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Pointf p(0, 51.477222);
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if(MapDlg(p))
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Exclamation("Marker positions " + FormatGPS(p));
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}
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136
examples/GoogleMaps/MapDlg.cpp
Normal file
136
examples/GoogleMaps/MapDlg.cpp
Normal file
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#include "GoogleMaps.h"
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#define IMAGECLASS GoogleMapsImg
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#define IMAGEFILE <GoogleMaps/GoogleMaps.iml>
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#include <Draw/iml_source.h>
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struct MapImage : public Ctrl {
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Image map;
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String error;
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Point home;
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Callback1<Point> WhenLeftClick;
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virtual void LeftDown(Point p, dword)
|
||||||
|
{
|
||||||
|
WhenLeftClick(p);
|
||||||
|
}
|
||||||
|
|
||||||
|
virtual void Paint(Draw& w) {
|
||||||
|
Size sz = GetSize();
|
||||||
|
w.DrawRect(sz, SColorPaper());
|
||||||
|
if(IsNull(map))
|
||||||
|
w.DrawText(0, 0, error);
|
||||||
|
else {
|
||||||
|
w.DrawImage(0, 0, map);
|
||||||
|
Point p = GoogleMapsImg::Pin().GetHotSpot();
|
||||||
|
w.DrawImage(home.x - p.x, home.y - p.y, GoogleMapsImg::Pin());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
MapImage() { SetFrame(ViewFrame()); BackPaint(); }
|
||||||
|
};
|
||||||
|
|
||||||
|
struct MapDlgDlg : public WithMapDlgLayout<TopWindow> {
|
||||||
|
typedef MapDlgDlg CLASSNAME;
|
||||||
|
|
||||||
|
Pointf home;
|
||||||
|
Pointf center;
|
||||||
|
MapImage map;
|
||||||
|
|
||||||
|
void LoadMap();
|
||||||
|
void SetHome();
|
||||||
|
void MapClick(Point p);
|
||||||
|
|
||||||
|
void ZoomIn();
|
||||||
|
void ZoomOut();
|
||||||
|
void Move(int x, int y);
|
||||||
|
|
||||||
|
void Set(Pointf p);
|
||||||
|
Pointf Get() { return home; }
|
||||||
|
|
||||||
|
MapDlgDlg();
|
||||||
|
};
|
||||||
|
|
||||||
|
void MapDlgDlg::SetHome()
|
||||||
|
{
|
||||||
|
map.home = GoogleMapsGpsToPixel(center, ~zoom, Size(640, 640), home);
|
||||||
|
gpsy.SetLabel(" " + FormatGPSY(home.y));
|
||||||
|
gpsx.SetLabel(" " + FormatGPSX(home.x));
|
||||||
|
map.Refresh();
|
||||||
|
}
|
||||||
|
|
||||||
|
void MapDlgDlg::LoadMap()
|
||||||
|
{
|
||||||
|
map.map = GetGoogleMapImage(center.x, center.y, ~zoom, 640, 640, "png", &map.error);
|
||||||
|
SetHome();
|
||||||
|
}
|
||||||
|
|
||||||
|
void MapDlgDlg::Move(int x, int y)
|
||||||
|
{
|
||||||
|
center = GoogleMapsPixelToGps(center, ~zoom, Point(250 * x, 250 * y));
|
||||||
|
LoadMap();
|
||||||
|
}
|
||||||
|
|
||||||
|
void MapDlgDlg::MapClick(Point p)
|
||||||
|
{
|
||||||
|
home = GoogleMapsPixelToGps(center, ~zoom, Size(640, 640), p);
|
||||||
|
SetHome();
|
||||||
|
}
|
||||||
|
|
||||||
|
void MapDlgDlg::Set(Pointf p)
|
||||||
|
{
|
||||||
|
home = center = p;
|
||||||
|
LoadMap();
|
||||||
|
}
|
||||||
|
|
||||||
|
void MapDlgDlg::ZoomIn()
|
||||||
|
{
|
||||||
|
zoom <<= min((int)~zoom + 1, 21);
|
||||||
|
LoadMap();
|
||||||
|
}
|
||||||
|
|
||||||
|
void MapDlgDlg::ZoomOut()
|
||||||
|
{
|
||||||
|
zoom <<= max((int)~zoom - 1, 0);
|
||||||
|
LoadMap();
|
||||||
|
}
|
||||||
|
|
||||||
|
MapDlgDlg::MapDlgDlg()
|
||||||
|
{
|
||||||
|
CtrlLayoutOKCancel(*this, "");
|
||||||
|
|
||||||
|
Size sz = GetSize();
|
||||||
|
Size msz = map.GetSize();
|
||||||
|
sz += Size(640 - msz.cx, 640 - msz.cy);
|
||||||
|
SetRect(sz);
|
||||||
|
|
||||||
|
for(int i = 0; i < 22; i++)
|
||||||
|
zoom.Add(i);
|
||||||
|
zoom <<= 17;
|
||||||
|
zoom <<= THISBACK(LoadMap);
|
||||||
|
zoomin <<= THISBACK(ZoomIn);
|
||||||
|
zoomout <<= THISBACK(ZoomOut);
|
||||||
|
|
||||||
|
left <<= THISBACK2(Move, -1, 0);
|
||||||
|
left.SetImage(CtrlImg::SmallLeft());
|
||||||
|
right <<= THISBACK2(Move, 1, 0);
|
||||||
|
right.SetImage(CtrlImg::SmallRight());
|
||||||
|
up <<= THISBACK2(Move, 0, -1);
|
||||||
|
up.SetImage(CtrlImg::SmallUp());
|
||||||
|
down <<= THISBACK2(Move, 0, 1);
|
||||||
|
down.SetImage(CtrlImg::SmallDown());
|
||||||
|
|
||||||
|
map.WhenLeftClick = THISBACK(MapClick);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool MapDlg(Pointf& p)
|
||||||
|
{
|
||||||
|
MapDlgDlg dlg;
|
||||||
|
dlg.Set(p);
|
||||||
|
if(dlg.Run() == IDOK) {
|
||||||
|
p = dlg.Get();
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
5
examples/GoogleMaps/init
Normal file
5
examples/GoogleMaps/init
Normal file
|
|
@ -0,0 +1,5 @@
|
||||||
|
#ifndef _GoogleMaps_icpp_init_stub
|
||||||
|
#define _GoogleMaps_icpp_init_stub
|
||||||
|
#include "Geom\Coords/init"
|
||||||
|
#include "CtrlLib/init"
|
||||||
|
#endif
|
||||||
Loading…
Add table
Add a link
Reference in a new issue