added SVGTemplates

6 files changed, 162 insertions, 5 deletions

diff --git a/libcore/helpers.c b/libcore/helpers.c
index 1e72dc3..bdddb66 100644
--- a/libcore/helpers.c
+++ b/libcore/helpers.c
@@ -149,6 +149,11 @@ bool FirstFileInFolder(string &path, string &extension, string &fileName) {
     return false;
 }
 
+void CreateFolder(string &path) {
+    cString command = cString::sprintf("mkdir -p %s", path.c_str());
+    system(*command);
+}
+
 // trim from start
 string &ltrim(string &s) {
     s.erase(s.begin(), find_if(s.begin(), s.end(), not1(ptr_fun<int, int>(isspace))));
diff --git a/libcore/helpers.h b/libcore/helpers.h
index cfcd70d..b370eb0 100644
--- a/libcore/helpers.h
+++ b/libcore/helpers.h
@@ -17,6 +17,7 @@ bool FileExists(const string &fullpath);
 bool FileExists(const string &path, const string &name, const string &ext);
 bool FolderExists(const string &path);
 bool FirstFileInFolder(string &path, string &extension, string &fileName);
+void CreateFolder(string &path);
 
 string &ltrim(string &s);
 string &rtrim(string &s);
diff --git a/libcore/imagecache.c b/libcore/imagecache.c
index f9878fe..2e6a0fc 100644
--- a/libcore/imagecache.c
+++ b/libcore/imagecache.c
@@ -2,6 +2,7 @@
 #include <sstream>
 #include <map>
 #include <fstream>
+#include <iostream>
 #include <sys/stat.h>
 #include "imagecache.h"
 #include "cairoimage.h"
@@ -42,9 +43,12 @@ void cImageCache::SetPathes(void) {
     iconPathTheme = *cString::sprintf("%s%s/themes/%s/", *skinPath, Setup.OSDSkin, Setup.OSDTheme);
     skinPartsPathTheme = *cString::sprintf("%s%s/themes/%s/skinparts/", *skinPath, Setup.OSDSkin, Setup.OSDTheme);
 
+    svgTemplatePath = *cString::sprintf("%s%s/svgtemplates/", *skinPath, Setup.OSDSkin);
+    
     dsyslog("skindesigner: using channel logo path %s", logoPath.c_str());
     dsyslog("skindesigner: using icon path %s", iconPathTheme.c_str());
     dsyslog("skindesigner: using skinparts path %s", skinPartsPathTheme.c_str());
+    dsyslog("skindesigner: using svgtemplate path %s", svgTemplatePath.c_str());
 }
 
 void cImageCache::CacheLogo(int width, int height) {
@@ -381,8 +385,18 @@ bool cImageCache::LoadIcon(eImageType type, string name) {
 
     if (FileExists(*subIconSkinPath, name, "svg"))
         return LoadImage(*subIconSkinPath, name, "svg");
-    else 
+    else if (FileExists(*subIconSkinPath, name, "png"))
         return LoadImage(*subIconSkinPath, name, "png");
+
+    //and finally check if a svg template exists
+    cSVGTemplate svgTemplate(name, svgTemplatePath);
+    if (!svgTemplate.Exists())
+        return false;
+    svgTemplate.ReadTemplate();
+    if (!svgTemplate.ParseTemplate())
+        return false;
+    string tmpImageName = svgTemplate.WriteImage();
+    return LoadImage(tmpImageName.c_str());
 }
 
 bool cImageCache::LoadLogo(const cChannel *channel) {
@@ -422,8 +436,18 @@ bool cImageCache::LoadSkinpart(string name) {
     else if (FileExists(skinPartsPathSkin.c_str(), name, "svg"))
         return LoadImage(skinPartsPathSkin.c_str(), name, "svg");
     
-    else 
+    else if (FileExists(skinPartsPathSkin.c_str(), name, "png"))
         return LoadImage(skinPartsPathSkin.c_str(), name, "png");
+
+    //check if a svg template exists
+    cSVGTemplate svgTemplate(name, svgTemplatePath);
+    if (!svgTemplate.Exists())
+        return false;
+    svgTemplate.ReadTemplate();
+    if (!svgTemplate.ParseTemplate())
+        return false;
+    string tmpImageName = svgTemplate.WriteImage();
+    return LoadImage(tmpImageName.c_str());
 }
 
 void cImageCache::Clear(void) {
diff --git a/libcore/imagecache.h b/libcore/imagecache.h
index e8a0365..e11f295 100644
--- a/libcore/imagecache.h
+++ b/libcore/imagecache.h
@@ -47,6 +47,7 @@ private:
     string skinPartsPathSkin;
     string iconPathTheme;
     string skinPartsPathTheme;
+    string svgTemplatePath;
     map<string, cImage*> iconCache;
     map<string, cImage*> channelLogoCache;
     map<string, cImage*> skinPartsCache;
diff --git a/libcore/imageloader.c b/libcore/imageloader.c
index 046cf68..1f78702 100644
--- a/libcore/imageloader.c
+++ b/libcore/imageloader.c
@@ -400,3 +400,102 @@ void cImageImporterJPG::GetImageSize(int &width, int &height) {
         height = cinfo->image_height;
     }
 }
+
+//
+// SVG Template class
+//
+
+cSVGTemplate::cSVGTemplate(string imageName, string templatePath) {
+    this->imageName = imageName;
+    this->templatePath = templatePath;
+    startTokenColor = "{sdcol(";
+    startTokenOpac = "{sdopac(";
+    endToken = ")}";
+    filePath = templatePath;
+    filePath += imageName + ".svg";
+}
+
+cSVGTemplate::~cSVGTemplate(void) {
+}
+
+bool cSVGTemplate::Exists(void) {
+    return FileExists(templatePath, imageName, "svg");
+}
+
+void cSVGTemplate::ReadTemplate(void) {
+    string line;
+    ifstream templatefile(filePath.c_str());
+    if (templatefile.is_open()) {
+        while ( getline (templatefile, line) ) {
+            svgTemplate.push_back(line);
+        }
+        templatefile.close();
+    }
+}
+
+bool cSVGTemplate::ParseTemplate(void) {
+    int i = 0;
+    for (vector<string>::iterator it = svgTemplate.begin(); it != svgTemplate.end(); it++) {
+        string line = *it;
+        size_t hit = line.find(startTokenColor);
+        if (hit == string::npos) {
+            i++;
+            continue;
+        }
+        size_t hitEnd = line.find(endToken, hit);
+        if (hitEnd == string::npos) {
+            return false;
+        }
+        string colorName = GetColorName(line, hit, hitEnd);
+        tColor replaceColor = 0x0;
+        if (!config.GetThemeColor(colorName, replaceColor)) {
+            return false;
+        }
+        ReplaceTokens(line, hit, hitEnd, replaceColor);
+        svgTemplate[i] = line;
+        i++;
+    }
+    return true;
+}
+
+string cSVGTemplate::WriteImage(void) {
+    string tempPath = *cString::sprintf("/tmp/skindesigner/svg/%s/%s/", Setup.OSDSkin, Setup.OSDTheme);
+    CreateFolder(tempPath);
+    string fileName = tempPath + imageName + ".svg";
+    ofstream tmpimg;
+    tmpimg.open (fileName.c_str(), ios::out | ios::trunc);
+    if (!tmpimg.is_open()) {
+        return "";
+    }
+    for (vector<string>::iterator it = svgTemplate.begin(); it != svgTemplate.end(); it++) {
+        tmpimg << (*it) << "\n";
+    }
+    tmpimg.close();
+    return fileName;
+}
+
+string cSVGTemplate::GetColorName(string line, size_t tokenStart, size_t tokenEnd) {
+    string colorName = line.substr(tokenStart + startTokenColor.size(), tokenEnd - tokenStart - startTokenColor.size());
+    if (colorName.size() > 0) {
+        stringstream name;
+        name << "{" << colorName << "}";
+        return name.str();
+    }
+    return "";
+}
+
+void cSVGTemplate::ReplaceTokens(string &line, size_t tokenStart, size_t tokenEnd, tColor color) {
+    string rgbColor = *cString::sprintf("%x", color & 0x00FFFFFF);
+    line.replace(tokenStart, tokenEnd - tokenStart + 2, rgbColor);
+    size_t hitAlpha = line.find(startTokenOpac);
+    if (hitAlpha == string::npos) {
+        return;
+    }
+    size_t hitAlphaEnd = line.find(endToken, hitAlpha);
+    if (hitAlphaEnd == string::npos) {
+        return;
+    }
+    tIndex alpha = (color & 0xFF000000) >> 24;
+    string svgAlpha = *cString::sprintf("%f", (float)(alpha / (float)255));
+    line.replace(hitAlpha, hitAlphaEnd - hitAlpha + 2, svgAlpha);
+}
diff --git a/libcore/imageloader.h b/libcore/imageloader.h
index 93a81ab..12bd8d2 100644
--- a/libcore/imageloader.h
+++ b/libcore/imageloader.h
@@ -1,6 +1,7 @@
-#ifndef __NOPACITY_IMAGELOADER_H
-#define __NOPACITY_IMAGELOADER_H
+#ifndef __SKINDESIGNER_IMAGELOADER_H
+#define __SKINDESIGNER_IMAGELOADER_H
 
+#include <string>
 #include <cairo.h>
 #include <librsvg/rsvg.h>
 #ifndef LIBRSVG_CHECK_VERSION // Workaround for librsvg < 2.36.2
@@ -12,6 +13,8 @@
 #include <vdr/osd.h>
 #include <vdr/tools.h>
 
+using namespace std;
+
 //
 // Image importers
 //
@@ -85,4 +88,28 @@ public:
     bool LoadImage(const char *fullpath);
 };
 
-#endif //__NOPACITY_IMAGELOADER_H
+//
+// SVG Template class
+//
+
+class cSVGTemplate {
+private:
+    string imageName;
+    string templatePath;
+    string filePath;
+    string startTokenColor;
+    string startTokenOpac;
+    string endToken;
+    vector<string> svgTemplate;
+    string GetColorName(string line, size_t tokenStart, size_t tokenEnd);
+    void ReplaceTokens(string &line, size_t tokenStart, size_t tokenEnd, tColor color);
+public:
+    cSVGTemplate(string imageName, string templatePath);
+    virtual ~cSVGTemplate(void);
+    bool Exists(void);
+    void ReadTemplate(void);
+    bool ParseTemplate(void);
+    string WriteImage(void);
+};
+
+#endif //__SKINDESIGNER_IMAGELOADER_H