SimpleMarkerSymbol.cpp
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#include "SimpleMarkerSymbol.h"
#include "clsUtil.h"
#include "clsCrSurf.h"
#include "clsXML.h"
#include "DataCollection.h"
#include "clsJson.h"
#include "clsPtree.h"
#define _USE_MATH_DEFINES
#include <math.h>
namespace DmapCore_30
{
SimpleMarkerSymbol::SimpleMarkerSymbol()
{
m_iAntialiasing = CAIRO_ANTIALIAS_BEST;
m_bBoundary = true;
m_iColor = clsUtil::RandomColor();
clsUtil::ToCairoColor(m_iColor, r, g, b, a);
m_iType = 0;
m_iOutline = 0xff000000;
clsUtil::ToCairoColor(m_iOutline, r1, g1, b1, a1);
m_sPNG = "";
m_dWidth = 1;
m_dSize = 5;
m_sXML = "";
m_simpleRenderer = false;
}
SimpleMarkerSymbol::~SimpleMarkerSymbol()
{
if (surfImage)
{
cairo_surface_destroy(surfImage);
surfImage = nullptr;
}
}
SimpleMarkerSymbol* SimpleMarkerSymbol::CreateNew()
{
SimpleMarkerSymbol * dest = new SimpleMarkerSymbol();
return dest;
}
int SimpleMarkerSymbol::RendererType()
{
return dmapSimpleMarkerSymbol;
}
bool SimpleMarkerSymbol::Parse(boost::property_tree::ptree &pt, AppendBuffer *f)
{
clsXML clsX(f, "SIMPLEMARKERSYMBOL");
clsXML::ParseEnum("antialiasing", pt, f, &m_iAntialiasing, "antialias_default", "antialias_none", "antialias_gray", "antialias_subpixel", "antialias_fase", "antialias_good", "antialias_best", "true", "false");
clsXML::XMLAttrParse(pt, f, &m_sPNG, "png");
clsXML::ParseEnum("type", pt, f, &m_iType, "circle", "triangle", "square", "cross", "star", "icon");
clsXML::XMLAttrParseColor(pt, f, &m_iColor, "color", "transparency");
clsXML::XMLAttrParse(pt, f, &m_bBoundary, "boundary");
clsXML::XMLAttrParseColor(pt, f, &m_iOutline, "outline", "outlinetransparency");
clsXML::XMLAttrParse(pt, f, &m_dWidth, "width");
clsXML::XMLAttrParse(pt, f, &m_dSize, "size");
//if (node)
{
clsUtil::ToCairoColor(m_iColor, r, g, b, a);
clsUtil::ToCairoColor(m_iOutline, r1, g1, b1, a1);
if (m_sPNG != "")
{
m_sPNG = GetFilePath(m_sPNG);
if (FILE *file = fopen(m_sPNG.c_str(), "r")) {
fclose(file);
surfImage = cairo_image_surface_create_from_png(m_sPNG.c_str());
}
else {
m_sPNG = "";
}
}
}
return true;
}
bool SimpleMarkerSymbol::ParsePtree( boost::property_tree::ptree &pt)
{
boost::property_tree::ptree ptRenderer;
string png = this->m_sPNG;
if(png != "" && png.find("symbollib") != png.npos)
{
int pos = png.find("symbollib");
png = "../" + png.substr(pos,png.length() - pos);
}
clsPtree::PtreeAttrParse("png", ptRenderer, png);
clsPtree::ParseEnum("type", ptRenderer, m_iType, "circle", "triangle", "square", "cross", "star", "icon");
clsPtree::PtreeAttrParseColor("color", "transparency", ptRenderer, m_iColor);
clsPtree::PtreeAttrParse("boundary", ptRenderer, m_bBoundary);
clsPtree::PtreeAttrParseColor("outline", "outlinetransparency", ptRenderer, m_iOutline);
clsPtree::PtreeAttrParse("width", ptRenderer, m_dWidth);
clsPtree::PtreeAttrParse("size", ptRenderer, m_dSize);
pt.add_child("SIMPLEMARKERSYMBOL",ptRenderer);
return true;
}
void SimpleMarkerSymbol::ToJson(AppendBuffer* ab)
{
char buff[300] = {0};
char resultbuff[5000] = {0};
sprintf(resultbuff, R"("SIMPLEMARKERSYMBOL":{"antialiasing":"antialias_default",)");
string png = this->m_sPNG;
if(png != "" && png.find("symbollib") != png.npos)
{
int pos = png.find("symbollib");
png = "../" + png.substr(pos,png.length() - pos);
}
clsJson::JsonAttrParse("png", resultbuff, buff, png);
clsJson::ParseEnum("type", resultbuff, buff, m_iType, "circle", "triangle", "square", "cross", "star", "icon");
clsJson::JsonAttrParseColor("color", "transparency", resultbuff, buff, m_iColor);
clsJson::JsonAttrParse("boundary", resultbuff, buff, m_bBoundary);
clsJson::JsonAttrParseColor("outline", "outlinetransparency", resultbuff, buff, m_iOutline);
clsJson::JsonAttrParse("width", resultbuff, buff, m_dWidth);
clsJson::JsonAttrParse("size", resultbuff, buff, m_dSize);
clsJson::JsonAttrEnd(resultbuff);
ab->AppendString(resultbuff);
}
int SimpleMarkerSymbol::GetAntialiasing()
{
return m_iAntialiasing;
}
bool SimpleMarkerSymbol::SetAntialiasing(int iAntialiasing)
{
m_iAntialiasing = iAntialiasing;
return true;
}
unsigned int SimpleMarkerSymbol::GetColor()
{
return m_iColor;
}
bool SimpleMarkerSymbol::SetColor(unsigned int color)
{
clsUtil::ToCairoColor(color, r, g, b, a);
m_iColor = color;
return true;
}
int SimpleMarkerSymbol::GetType()
{
return m_iType;
}
bool SimpleMarkerSymbol::SetType(int type)
{
if (type<0 || type >6) return false;
m_iType = type;
return true;
}
bool SimpleMarkerSymbol::GetBoundary()
{
return m_bBoundary;
}
bool SimpleMarkerSymbol::SetBoundary(bool boundary)
{
m_bBoundary = boundary;
return true;
}
unsigned int SimpleMarkerSymbol::GetOutline()
{
return m_iOutline;
}
bool SimpleMarkerSymbol::SetOutline(unsigned int outline)
{
clsUtil::ToCairoColor(outline, r1, g1, b1, a1);
m_iOutline = outline;
return true;
}
const char* SimpleMarkerSymbol::GetPNG()
{
return m_sPNG.c_str();
}
bool SimpleMarkerSymbol::SetPNG(const char* png)
{
surfImage = nullptr;
if (png == 0)m_sPNG = "";
else m_sPNG = png;
if (m_sPNG.size() > 0)
{
surfImage = cairo_image_surface_create_from_png(png);
}
return true;
}
double SimpleMarkerSymbol::GetWidth()
{
return m_dWidth;
}
bool SimpleMarkerSymbol::SetWidth(double width)
{
if (width < 0)return false;
m_dWidth = width;
return true;
}
double SimpleMarkerSymbol::GetSize()
{
return m_dSize;
}
bool SimpleMarkerSymbol::SetSize(double Size)
{
if (Size < 0)return false;
m_dSize = Size;
return true;
}
bool SimpleMarkerSymbol::DrawPOINT(clsCrSurf* clsCS, clsStruct::POINT*p)
{
double x = p->x;
double y = p->y;
cairo_t* cr = clsCS->m_pCr;
double width = 0.5 * m_dSize;
if (m_sPNG != "")
{
//这样做实现不了边框!!!
// 是否该用 png 平铺一样的实现,提供边框
cairo_surface_t* image = surfImage;// m_pImage->m_pSurf;
if (image == 0)return false;
double w = cairo_image_surface_get_width(image);
double h = cairo_image_surface_get_height(image);
cairo_set_source_surface(cr, image, x - 0.5*w, y - 0.5*h);
cairo_paint(cr);
}
else
{
switch (m_iType)
{
case dmapPointTypeCross:
{
cairo_move_to(cr, x - width, y);
cairo_line_to(cr, x + width, y);
cairo_move_to(cr, x, y - width);
cairo_line_to(cr, x, y + width);
cairo_set_source_rgba(cr, r, g, b, a);
cairo_set_line_width(cr, 1);
cairo_stroke(cr);
break;
}
case dmapPointTypeCircle:
{
cairo_new_path(cr);
cairo_arc(cr, x, y, width, 0, 2 * M_PI);
cairo_set_source_rgba(cr, r, g, b, a);
if (m_bBoundary)
{
cairo_fill_preserve(cr);//留边框填充
/* 接下来是画边框 */
cairo_set_line_width(cr, m_dWidth);
cairo_set_source_rgba(cr, r1, g1, b1, a1);
cairo_stroke(cr);
}
else
{
cairo_fill(cr); //不留边框填充
}
//cairo_fill(cr); //不留边框填充
break;
}
case dmapPointTypeTriangle:
{
cairo_new_sub_path(cr);
cairo_move_to(cr, x - width, y + width * 0.57735026918962576450914878050196);
cairo_line_to(cr, x + width, y + width * 0.57735026918962576450914878050196);
cairo_line_to(cr, x, y - width * 1.154700538379251529018297561004);
cairo_close_path(cr);
cairo_set_source_rgba(cr, r, g, b, a);
if (m_bBoundary)
{
cairo_fill_preserve(cr);//留边框填充
/* 接下来是画边框 */
cairo_set_line_width(cr, m_dWidth);
cairo_set_source_rgba(cr, r1, g1, b1, a1);
cairo_stroke(cr);
}
else
{
cairo_fill(cr); //不留边框填充
}
break;
}
case dmapPointTypeSquare:
{
cairo_new_sub_path(cr);
cairo_move_to(cr, x - width, y - width);
cairo_line_to(cr, x - width, y + width);
cairo_line_to(cr, x + width, y + width);
cairo_line_to(cr, x + width, y - width);
cairo_close_path(cr);
cairo_set_source_rgb(cr, r, g, b);
if (m_bBoundary)
{
cairo_fill_preserve(cr);//留边框填充
/* 接下来是画边框 */
cairo_set_line_width(cr, m_dWidth);
cairo_set_source_rgba(cr, r1, g1, b1, a1);
cairo_stroke(cr);
}
else
{
cairo_fill(cr); //不留边框填充
}
break;
}
case dmapPointTypeStar:
{
double radx[5] = { -7.0534, 7.0534, 11.4127, 0.0000, -11.4127 };
double rady[5] = { -9.7082, -9.7082, 3.7082, 12.0000, 3.7082 };
double Radx[5] = { -38.0423, -0.0000, 38.0423, 23.5114, -23.5114 };
double Rady[5] = { -12.3607, -40.0000, -12.3607, 32.3607, 32.3607 };
cairo_new_sub_path(cr);
double rat = width / 40;
for (int i = 0; i < 5; i++)
{
if (i == 0)
{
cairo_move_to(cr, x + Radx[i] * rat, y + Rady[i] * rat);
cairo_line_to(cr, x + radx[i] * rat, y + rady[i] * rat);
}
else
{
cairo_line_to(cr, x + Radx[i] * rat, y + Rady[i] * rat);
cairo_line_to(cr, x + radx[i] * rat, y + rady[i] * rat);
}
}
cairo_close_path(cr);
cairo_set_source_rgba(cr, r, g, b, a);
if (m_bBoundary)
{
cairo_fill_preserve(cr);//留边框填充
/* 接下来是画边框 */
cairo_set_line_width(cr, m_dWidth);
cairo_set_source_rgba(cr, r1, g1, b1, a1);
cairo_stroke(cr);
}
else
{
cairo_fill(cr); //不留边框填充
}
break;
}
default:
break;
}
}
return true;
}
bool SimpleMarkerSymbol::DrawMPOINT(clsCrSurf* pClsCS, clsStruct::LINE* pLine)
{
int nPoint = pLine->nPoint;
clsStruct::POINT* pPoint = pLine->p;
for (int i = 0; i < nPoint; i++)
this->DrawPOINT(pClsCS, pPoint + i);
return true;
}
bool SimpleMarkerSymbol::DrawData(clsCrSurf* clsCS, DataCollection* data, bool drawSimpleData, char* pFlag)
{
int structType = data->m_iStructType;
int iPartCount = data->m_iPartCount;
clsUtil::DoSetAntialias(m_iAntialiasing, clsCS->m_pCr);
switch (structType)
{
case clsStruct::Struct_Point:
{
clsStruct::POINT* pPoint = (clsStruct::POINT*)data->m_pData;
for (int i = 0; i < iPartCount; i++)
{
this->DrawPOINT(clsCS, pPoint + i);
}
break;
}
case clsStruct::Struct_Line:
{
for (int i = 0; i < iPartCount; i++)
{
clsStruct::LINE* pMPoint = (clsStruct::LINE*)data->m_pData;
this->DrawMPOINT(clsCS, pMPoint + i);
}
break;
}
default:
break;
}
return true;
}
bool SimpleMarkerSymbol::DrawData(clsCrSurf* clsCS, DataCollection* data, int dataIndex, char* pFlag)
{
int structType = data->m_iStructType;
int iPartCount = data->m_iPartCount;
clsUtil::DoSetAntialias(m_iAntialiasing, clsCS->m_pCr);
switch (structType)
{
case clsStruct::Struct_Point:
{
clsStruct::POINT* pPoint = (clsStruct::POINT*)data->m_pData;
this->DrawPOINT(clsCS, pPoint + dataIndex);
break;
}
case clsStruct::Struct_Line:
{
clsStruct::LINE* pMPoint = (clsStruct::LINE*)data->m_pData;
this->DrawMPOINT(clsCS, pMPoint + dataIndex);
break;
}
default:
break;
}
return true;
}
bool SimpleMarkerSymbol::DrawLegend(clsCrSurf* pClsCS, shared_ptr<legendParamater> pLegendParamater,int layerType, char* pFlag)
{
if(layerType != 0)
return false;
pLegendParamater->next(pFlag);
cairo_t* cr = pClsCS->m_pCr;
if(pFlag)
{
cairo_set_source_rgb(cr, 0, 0, 0); //设置画笔颜色，也就是红，绿，蓝，这里设置成绿色。
cairo_select_font_face(cr, pLegendParamater->font.c_str(),
CAIRO_FONT_SLANT_NORMAL,
pLegendParamater->isbold? CAIRO_FONT_WEIGHT_BOLD:CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(cr, pLegendParamater->fontSize);
cairo_move_to(cr, pLegendParamater->pixXIndex + pLegendParamater->size_x + 10,
pLegendParamater->pixYIndex + pLegendParamater->size_y -3);
cairo_show_text(cr, pFlag);
}
double x = pLegendParamater->pixXIndex + pLegendParamater->size_x/2;
double y = pLegendParamater->pixYIndex + pLegendParamater->size_y/2 - 1 ;
double width = 0.5 * m_dSize;
if (m_sPNG != "")
{
//这样做实现不了边框!!!
// 是否该用 png 平铺一样的实现,提供边框
cairo_surface_t* image = surfImage;// m_pImage->m_pSurf;
if (image == 0)return false;
double w = cairo_image_surface_get_width(image);
double h = cairo_image_surface_get_height(image);
cairo_set_source_surface(cr, image, x - 0.5*w, y - 0.5*h);
cairo_paint(cr);
}
else
{
switch (m_iType)
{
case dmapPointTypeCross:
{
cairo_move_to(cr, x - width, y);
cairo_line_to(cr, x + width, y);
cairo_move_to(cr, x, y - width);
cairo_line_to(cr, x, y + width);
cairo_set_source_rgba(cr, r, g, b, a);
cairo_set_line_width(cr, 1);
cairo_stroke(cr);
break;
}
case dmapPointTypeCircle:
{
cairo_new_path(cr);
cairo_arc(cr, x, y, width, 0, 2 * M_PI);
cairo_set_source_rgba(cr, r, g, b, a);
if (m_bBoundary)
{
cairo_fill_preserve(cr);//留边框填充
/* 接下来是画边框 */
cairo_set_line_width(cr, m_dWidth);
cairo_set_source_rgba(cr, r1, g1, b1, a1);
cairo_stroke(cr);
}
else
{
cairo_fill(cr); //不留边框填充
}
//cairo_fill(cr); //不留边框填充
break;
}
case dmapPointTypeTriangle:
{
cairo_new_sub_path(cr);
cairo_move_to(cr, x - width, y + width * 0.57735026918962576450914878050196);
cairo_line_to(cr, x + width, y + width * 0.57735026918962576450914878050196);
cairo_line_to(cr, x, y - width * 1.154700538379251529018297561004);
cairo_close_path(cr);
cairo_set_source_rgba(cr, r, g, b, a);
if (m_bBoundary)
{
cairo_fill_preserve(cr);//留边框填充
/* 接下来是画边框 */
cairo_set_line_width(cr, m_dWidth);
cairo_set_source_rgba(cr, r1, g1, b1, a1);
cairo_stroke(cr);
}
else
{
cairo_fill(cr); //不留边框填充
}
break;
}
case dmapPointTypeSquare:
{
cairo_new_sub_path(cr);
cairo_move_to(cr, x - width, y - width);
cairo_line_to(cr, x - width, y + width);
cairo_line_to(cr, x + width, y + width);
cairo_line_to(cr, x + width, y - width);
cairo_close_path(cr);
cairo_set_source_rgb(cr, r, g, b);
if (m_bBoundary)
{
cairo_fill_preserve(cr);//留边框填充
/* 接下来是画边框 */
cairo_set_line_width(cr, m_dWidth);
cairo_set_source_rgba(cr, r1, g1, b1, a1);
cairo_stroke(cr);
}
else
{
cairo_fill(cr); //不留边框填充
}
break;
}
case dmapPointTypeStar:
{
double radx[5] = { -7.0534, 7.0534, 11.4127, 0.0000, -11.4127 };
double rady[5] = { -9.7082, -9.7082, 3.7082, 12.0000, 3.7082 };
double Radx[5] = { -38.0423, -0.0000, 38.0423, 23.5114, -23.5114 };
double Rady[5] = { -12.3607, -40.0000, -12.3607, 32.3607, 32.3607 };
cairo_new_sub_path(cr);
double rat = width / 40;
for (int i = 0; i < 5; i++)
{
if (i == 0)
{
cairo_move_to(cr, x + Radx[i] * rat, y + Rady[i] * rat);
cairo_line_to(cr, x + radx[i] * rat, y + rady[i] * rat);
}
else
{
cairo_line_to(cr, x + Radx[i] * rat, y + Rady[i] * rat);
cairo_line_to(cr, x + radx[i] * rat, y + rady[i] * rat);
}
}
cairo_close_path(cr);
cairo_set_source_rgba(cr, r, g, b, a);
if (m_bBoundary)
{
cairo_fill_preserve(cr);//留边框填充
/* 接下来是画边框 */
cairo_set_line_width(cr, m_dWidth);
cairo_set_source_rgba(cr, r1, g1, b1, a1);
cairo_stroke(cr);
}
else
{
cairo_fill(cr); //不留边框填充
}
break;
}
default:
break;
}
}
return true;
}
}