add first implementation of imagescaler + imagecache

1 files changed, 52 insertions, 0 deletions

diff --git a/imagecache.c b/imagecache.c
new file mode 100644
index 00000000..b220f6e2
--- /dev/null
+++ b/imagecache.c
@@ -0,0 +1,52 @@
+#include "imagecache.h"
+
+cImageCache::cImageCache() {
+
+}
+
+cImageCache::~cImageCache() {
+    
+}
+
+void cImageCache::Create(void) {
+    for(int i = 0; i < MAX_IMAGE_CACHE; i++) {
+        CacheImage[i] = NULL;
+        CacheName[i] = "";
+        CacheWidth[i] = -1;
+        CacheHeight[i] = -1;
+    }
+
+    InsertIndex = 0;
+}
+
+void cImageCache::Clear(void) {
+    for(int i = 0; i < MAX_IMAGE_CACHE; i++) {
+        if( CacheImage[i] != NULL )
+            delete CacheImage[i];
+    }
+
+    InsertIndex = 0;
+}
+
+cImage* cImageCache::GetImage(std::string Name, int Width, int Height) {
+    for(int index = 0; index < MAX_IMAGE_CACHE; index++ ) {
+        if( CacheName[index] == Name && CacheWidth[index] == Width && CacheHeight[index] == Height )
+            return CacheImage[index];
+    }
+    return NULL;
+}
+
+void cImageCache::InsertImage(cImage *Image, std::string Name, int Width, int Height) {
+    CacheImage[InsertIndex] = Image;
+    CacheName[InsertIndex] = Name;
+    CacheWidth[InsertIndex] = Width;
+    CacheHeight[InsertIndex] = Height;
+    
+    dsyslog("imagecache InsertImage");
+
+    InsertIndex++;
+    if( InsertIndex >= MAX_IMAGE_CACHE ) {
+        InsertIndex = 0;
+        dsyslog("imagecache overflow");
+    }
+}