diff options
Diffstat (limited to 'src/Cache.cpp')
| -rw-r--r-- | src/Cache.cpp | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/src/Cache.cpp b/src/Cache.cpp index 2a09591..77ba515 100644 --- a/src/Cache.cpp +++ b/src/Cache.cpp @@ -14,6 +14,7 @@ #include <sibs/SafeSerializer.hpp> #include <sibs/SafeDeserializer.hpp> #include <libpreview.h> +#include <gd.h> #if OS_FAMILY == OS_FAMILY_POSIX #include <pwd.h> @@ -119,8 +120,42 @@ namespace dchat } fileReplace(getDchatDir() / "binds", StringView((const char*)serializer.getBuffer().data(), serializer.getBuffer().size())); } + + static bool downscaleImage(const boost::filesystem::path &filepath, void *data, const int size, const int newWidth, const int newHeight) + { + gdImagePtr imgPtr = gdImageCreateFromPngPtr(size, data); + if(!imgPtr) + return false; + + int width = gdImageSX(imgPtr); + if(width < newWidth) + { + gdImageDestroy(imgPtr); + return false; + } + + int height = gdImageSX(imgPtr); + if(height < newHeight) + { + gdImageDestroy(imgPtr); + return false; + } + + gdImageSetInterpolationMethod(imgPtr, GD_BILINEAR_FIXED); + gdImagePtr newImgPtr = gdImageScale(imgPtr, newWidth, newHeight); + if(!newImgPtr) + { + gdImageDestroy(imgPtr); + return false; + } + + bool success = (gdImageFile(newImgPtr, filepath.c_str()) == 0); + gdImageDestroy(imgPtr); + gdImageDestroy(newImgPtr); + return success; + } - static ContentByUrlResult loadImageFromFile(const boost::filesystem::path &filepath) + static ContentByUrlResult loadImageFromFile(const boost::filesystem::path &filepath, bool loadFromCache) { StringView fileContent; try @@ -147,8 +182,16 @@ namespace dchat } else { + if(!loadFromCache) + { + if(!downscaleImage(filepath, (void*)fileContent.data, fileContent.size, 100, 100)) + { + fprintf(stderr, "Failed to resize image: %s, using original file\n", filepath.c_str()); + } + } + sf::Texture *texture = new sf::Texture(); - if(texture->loadFromMemory(fileContent.data, fileContent.size)) + if(texture->loadFromFile(filepath.c_str())) { delete[] fileContent.data; fileContent.data = nullptr; @@ -213,7 +256,7 @@ namespace dchat } else { - contentByUrlResult = loadImageFromFile(filepath); + contentByUrlResult = loadImageFromFile(filepath, false); contentByUrlResult.lastAccessed = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now().time_since_epoch()).count(); if(contentByUrlResult.type == ContentByUrlResult::Type::CACHED) { @@ -350,7 +393,7 @@ namespace dchat } // TODO: Do not load content in this thread. Return LOADING status and load it in another thread, because with a lot of images, chat can freeze - ContentByUrlResult contentByUrlResult = loadImageFromFile(filepath); + ContentByUrlResult contentByUrlResult = loadImageFromFile(filepath, true); if(contentByUrlResult.type == ContentByUrlResult::Type::CACHED) { contentByUrlResult.lastAccessed = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now().time_since_epoch()).count(); |