- Moves Graphics::loadFont to Graphics::NewFont::loadFont

- adds code for caching of fonts (just for Graphics::NewFont)
- implements cache using in the modern theme for custom fonts
- adds cache file for current normal font in the theme zip file

svn-id: r21952

3 files changed, 82 insertions, 21 deletions

diff --git a/gui/ThemeNew.cpp b/gui/ThemeNew.cpp
index 1a225c3ab8..11b737ffb1 100644
--- a/gui/ThemeNew.cpp
+++ b/gui/ThemeNew.cpp
@@ -1341,38 +1341,98 @@ void ThemeNew::deleteFonts() {
 }
 
 const Graphics::Font *ThemeNew::loadFont(const char *filename) {
-	const Graphics::Font *font = 0;
-
+	const Graphics::NewFont *font = 0;
+	Common::String cacheFilename = genCacheFilename(filename);
 	Common::File fontFile;
-	if (fontFile.open(filename)) {
-		font = Graphics::loadFont(fontFile);
+
+	if (cacheFilename != "") {
+		if (fontFile.open(cacheFilename))
+			font = Graphics::NewFont::loadFromCache(fontFile);
 		if (font)
 			return font;
+
+#ifdef USE_ZLIB
+		unzFile zipFile = unzOpen((_stylefile + ".zip").c_str());
+		if (zipFile && unzLocateFile(zipFile, cacheFilename.c_str(), 2) == UNZ_OK) {
+			unz_file_info fileInfo;
+			unzOpenCurrentFile(zipFile);
+			unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
+			uint8 *buffer = new uint8[fileInfo.uncompressed_size+1];
+			assert(buffer);
+			memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
+			unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
+			unzCloseCurrentFile(zipFile);
+			Common::MemoryReadStream stream(buffer, fileInfo.uncompressed_size+1);
+	
+			font = Graphics::NewFont::loadFromCache(stream);
+	
+			delete [] buffer;
+			buffer = 0;
+		}
+		unzClose(zipFile);
+#endif
+		if (font)
+			return font;
+	}
+
+	printf("normal font open!\n");
+	fflush(stdout);
+
+	// normal open
+	if (fontFile.open(filename)) {
+		font = Graphics::NewFont::loadFont(fontFile);
 	}
 
 #ifdef USE_ZLIB
-	unzFile zipFile = unzOpen((_stylefile + ".zip").c_str());
-	if (zipFile && unzLocateFile(zipFile, filename, 2) == UNZ_OK) {
-		unz_file_info fileInfo;
-		unzOpenCurrentFile(zipFile);
-		unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
-		uint8 *buffer = new uint8[fileInfo.uncompressed_size+1];
-		assert(buffer);
-		memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
-		unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
-		unzCloseCurrentFile(zipFile);
-		Common::MemoryReadStream stream(buffer, fileInfo.uncompressed_size+1);
-
-		font = Graphics::loadFont(stream);
-
-		delete [] buffer;
-		buffer = 0;
+	if (!font) {
+		unzFile zipFile = unzOpen((_stylefile + ".zip").c_str());
+		if (zipFile && unzLocateFile(zipFile, filename, 2) == UNZ_OK) {
+			unz_file_info fileInfo;
+			unzOpenCurrentFile(zipFile);
+			unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
+			uint8 *buffer = new uint8[fileInfo.uncompressed_size+1];
+			assert(buffer);
+			memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
+			unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
+			unzCloseCurrentFile(zipFile);
+			Common::MemoryReadStream stream(buffer, fileInfo.uncompressed_size+1);
+	
+			font = Graphics::NewFont::loadFont(stream);
+	
+			delete [] buffer;
+			buffer = 0;
+		}
+		unzClose(zipFile);
 	}
-	unzClose(zipFile);
 #endif
+
+	if (font) {
+		if (cacheFilename != "") {
+			if (!Graphics::NewFont::cacheFontData(*font, cacheFilename)) {
+				warning("Couldn't create cache file for font '%s'", filename);
+			}
+		}
+	}
+
 	return font;
 }
 
+Common::String ThemeNew::genCacheFilename(const char *filename) {
+	Common::String cacheName = filename;
+	for (int i = cacheName.size() - 1; i >= 0; --i) {
+		if (cacheName[i] == '.') {
+			while ((uint)i < cacheName.size() - 1) {
+				cacheName.deleteLastChar();
+			}
+
+			cacheName += "fcc";
+			return cacheName;
+		}
+	}
+
+	return "";
+}
+
 #pragma mark -
 
 OverlayColor ThemeNew::calcLuminance(OverlayColor col) {
diff --git a/gui/theme.h b/gui/theme.h
index 734ff3c37a..8b0e59a6de 100644
--- a/gui/theme.h
+++ b/gui/theme.h
@@ -364,6 +364,7 @@ private:
 	void setupFonts();
 	void deleteFonts();
 	const Graphics::Font *loadFont(const char *filename);
+	Common::String genCacheFilename(const char *filename);
 	const Graphics::Font *_fonts[kFontStyleMax];
 
 public:
diff --git a/gui/themes/modern.zip b/gui/themes/modern.zip
index 8c44d3e16f..1817123542 100644
--- a/gui/themes/modern.zip
+++ b/gui/themes/modern.zip