Added SVG rendering support

Makefile

@@ -44,8 +44,8 @@ DEFINES += $(shell xml2-config --cflags)
 
 INCLUDES += $(shell pkg-config --cflags freetype2 fontconfig)
 
-INCLUDES += $(shell pkg-config --cflags cairo-png)
-LIBS += $(shell pkg-config --libs cairo-png)
+INCLUDES += $(shell pkg-config --cflags librsvg-2.0 cairo-png)
+LIBS += $(shell pkg-config --libs librsvg-2.0 cairo-png)
 
 LIBS += $(shell xml2-config --libs)
 

libcore/imagecache.c

@@ -311,18 +311,17 @@ cImage *cImageCache::GetSkinpart(string name, int width, int height) {
 }
 
 bool cImageCache::LoadIcon(eImageType type, string name) {
-    bool success = false;
     cString subdir("");
     if (type == itMenuIcon)
         subdir = "menuicons";
     else if (type == itIcon)
         subdir = "icons";
     cString subIconPath = cString::sprintf("%s%s/", iconPath.c_str(), *subdir);
-    success = LoadImage(name, *subIconPath, "png");
-    if (success) {
-        return true;
-    }
-    return false;
+
+    if (FileExists(*subIconPath, name, "svg"))
+        return LoadImage(*subIconPath, name, "svg");
+    else
+        return LoadImage(*subIconPath, name, "png");
 }
 
 bool cImageCache::LoadLogo(const cChannel *channel) {
@@ -331,32 +330,27 @@ bool cImageCache::LoadLogo(const cChannel *channel) {
     string channelID = StrToLowerCase(*(channel->GetChannelID().ToString()));
     string logoLower = StrToLowerCase(channel->Name());
     bool success = false;
-    success = LoadImage(channelID.c_str(), logoPath.c_str(), *config.logoExtension);
-    if (success)
-        return true;
-    success = LoadImage(logoLower.c_str(), logoPath.c_str(), *config.logoExtension);
-    if (success)
-        return true;
+
+    if (FileExists(logoPath.c_str(), channelID.c_str(), *config.logoExtension))
+        return LoadImage(logoPath.c_str(), channelID.c_str(), *config.logoExtension);
+
+    if (FileExists(logoPath.c_str(), logoLower.c_str(), *config.logoExtension))
+        return LoadImage(logoPath.c_str(), logoLower.c_str(), *config.logoExtension);
+
     return false;
 }
 
 bool cImageCache::LoadSeparatorLogo(string name) {
     cString separatorPath = cString::sprintf("%sseparatorlogos/", logoPath.c_str());
     string nameLower = StrToLowerCase(name.c_str());
-    bool success = false;
-    success = LoadImage(nameLower.c_str(), *separatorPath, *config.logoExtension);
-    if (success)
-        return true;
-    return false;    
+    return LoadImage(*separatorPath, nameLower.c_str(), *config.logoExtension);
 }
 
 bool cImageCache::LoadSkinpart(string name) {
-    bool success = false;
-    success = LoadImage(name, skinPartsPath.c_str(), "png");
-    if (success) {
-        return true;
-    }
-    return false;
+    if (FileExists(skinPartsPath.c_str(), name, "svg"))
+        return LoadImage(skinPartsPath.c_str(), name, "svg");
+    else
+        return LoadImage(skinPartsPath.c_str(), name, "png");
 }
 
 void cImageCache::Clear(void) {

libcore/imageloader.c

@@ -41,7 +41,6 @@ cImage *cImageLoader::CreateImage(int width, int height, bool preserveAspect) {
     cairo_scale(cr, sx, sy);
 
     importer->DrawToCairo(cr);
-    cairo_paint(cr);
 
     cairo_status_t status = cairo_status(cr);
     if (status)
@@ -51,6 +50,7 @@ cImage *cImageLoader::CreateImage(int width, int height, bool preserveAspect) {
     cImage *image = new cImage(cSize(width, height), (tColor*)data);
 
     cairo_destroy(cr);
+    cairo_surface_destroy(surface);
 
     return image;
 }
@@ -67,6 +67,8 @@ bool cImageLoader::LoadImage(const char *fullpath) {
 
     if (endswith(fullpath, ".png"))
         importer = new cImageImporterPNG;
+    else if (endswith(fullpath, ".svg"))
+        importer = new cImageImporterSVG;
     else
         return false;
 
@@ -74,7 +76,7 @@ bool cImageLoader::LoadImage(const char *fullpath) {
 }
 
 // Just a different way to call LoadImage. Calls the above one.
-bool cImageLoader::LoadImage(std::string FileName, std::string Path, std::string Extension) {
+bool cImageLoader::LoadImage(std::string Path, std::string FileName, std::string Extension) {
     std::stringstream sstrImgFile;
     sstrImgFile << Path << FileName << "." << Extension;
     std::string imgFile = sstrImgFile.str();
@@ -147,8 +149,10 @@ bool cImageImporterPNG::LoadImage(const char *path) {
 }
 
 void cImageImporterPNG::DrawToCairo(cairo_t *cr) {
-    if (surface)
+    if (surface) {
         cairo_set_source_surface(cr, surface, 0, 0);
+        cairo_paint(cr);
+    }
 }
 
 void cImageImporterPNG::GetImageSize(int &width, int &height) {
@@ -157,3 +161,51 @@ void cImageImporterPNG::GetImageSize(int &width, int &height) {
         height = cairo_image_surface_get_height(surface);
     }
 }
+
+//
+// Image importer for SVG
+//
+
+cImageImporterSVG::cImageImporterSVG() {
+    handle = NULL;
+}
+
+cImageImporterSVG::~cImageImporterSVG() {
+    if (handle) {
+        rsvg_handle_close(handle, NULL);
+        g_object_unref(handle);
+    }
+}
+
+bool cImageImporterSVG::LoadImage(const char *path) {
+    if (handle) {
+        rsvg_handle_close(handle, NULL);
+        g_object_unref(handle);
+    }
+
+    GError *error = NULL;
+    handle = rsvg_handle_new_from_file(path, &error);
+    if (!handle) {
+        if (config.debugImageLoading)
+            dsyslog("skindesigner: RSVG Error: %s", error->message);
+        return false;
+    }
+
+    rsvg_handle_set_dpi(handle, 90);
+
+    return true;
+}
+
+void cImageImporterSVG::DrawToCairo(cairo_t *cr) {
+    if (handle)
+        rsvg_handle_render_cairo(handle, cr);
+}
+
+void cImageImporterSVG::GetImageSize(int &width, int &height) {
+    if (handle) {
+        RsvgDimensionData dim;
+        rsvg_handle_get_dimensions(handle, &dim);
+        width = dim.width;
+        height = dim.height;
+    }
+}

libcore/imageloader.h

@@ -4,6 +4,7 @@
 #define X_DISPLAY_MISSING
 
 #include <cairo.h>
+#include <librsvg/rsvg.h>
 #include <vdr/osd.h>
 #include <vdr/tools.h>
 
@@ -32,16 +33,17 @@ private:
 };
 
 // Image importer for SVG
-/*
 class cImageImporterSVG : public cImageImporter {
 public:
+    cImageImporterSVG();
     ~cImageImporterSVG();
     bool LoadImage(const char *path);
-    bool RenderToCairo(cairo_t *cr);
+    void DrawToCairo(cairo_t *cr);
     void GetImageSize(int &width, int &height);
 private:
-    RsvgHandle *handle = NULL;
-}*/
+    RsvgHandle *handle;
+};
+
 
 class cImageLoader {
 private:
@@ -50,7 +52,7 @@ public:
     cImageLoader();
     virtual ~cImageLoader();
     cImage *CreateImage(int width, int height, bool preserveAspect = true);
-    bool LoadImage(std::string FileName, std::string Path, std::string Extension);
+    bool LoadImage(std::string Path, std::string FileName, std::string Extension);
     bool LoadImage(const char *fullpath);
     void DeterminateChannelLogoSize(int &width, int &height);
 };