vdr-plugin-skindesigner/libcore/imagecache.c
2014-09-27 09:25:14 +02:00

390 lines
13 KiB
C

#include <string>
#include <sstream>
#include <map>
#include <fstream>
#include <sys/stat.h>
#include "imagecache.h"
#include "../config.h"
#include "helpers.h"
using namespace Magick;
cMutex cImageCache::mutex;
string cImageCache::items[16] = { "Schedule", "Channels", "Timers", "Recordings", "Setup", "Commands",
"OSD", "EPG", "DVB", "LNB", "CAM", "Recording", "Replay", "Miscellaneous", "Plugins", "Restart"};
cImageCache::cImageCache() : cImageMagickWrapper() {
tempStaticLogo = NULL;
}
cImageCache::~cImageCache() {
Clear();
if (tempStaticLogo) {
delete tempStaticLogo;
tempStaticLogo = NULL;
}
}
void cImageCache::CacheLogo(int width, int height) {
if (config.numLogosPerSizeInitial == 0)
return;
if (width == 0 || height == 0)
return;
int channelsCached = 0;
for (const cChannel *channel = Channels.First(); channel; channel = Channels.Next(channel)) {
if (channelsCached >= config.numLogosPerSizeInitial)
break;
if (channel->GroupSep()) {
continue;
}
bool success = LoadLogo(channel);
if (success) {
channelsCached++;
cImage *image = CreateImage(width, height);
stringstream logoName;
logoName << *channel->GetChannelID().ToString() << "_" << width << "x" << height;
std::map<std::string, cImage*>::iterator hit = channelLogoCache.find(logoName.str());
if (hit != channelLogoCache.end()) {
delete image;
return;
}
channelLogoCache.insert(pair<string, cImage*>(logoName.str(), image));
}
}
}
cImage *cImageCache::GetLogo(string channelID, int width, int height) {
cMutexLock MutexLock(&mutex);
stringstream logoName;
logoName << channelID << "_" << width << "x" << height;
std::map<std::string, cImage*>::iterator hit = channelLogoCache.find(logoName.str());
if (hit != channelLogoCache.end()) {
return (cImage*)hit->second;
} else {
tChannelID chanID = tChannelID::FromString(channelID.c_str());
const cChannel *channel = Channels.GetByChannelID(chanID);
if (!channel)
return NULL;
bool success = LoadLogo(channel);
if (success) {
if (config.limitLogoCache && (channelLogoCache.size() >= config.numLogosMax)) {
//logo cache is full, don't cache anymore
if (tempStaticLogo) {
delete tempStaticLogo;
tempStaticLogo = NULL;
}
tempStaticLogo = CreateImage(width, height);
return tempStaticLogo;
} else {
//add requested logo to cache
cImage *image = CreateImage(width, height);
channelLogoCache.insert(pair<string, cImage*>(logoName.str(), image));
hit = channelLogoCache.find(logoName.str());
if (hit != channelLogoCache.end()) {
return (cImage*)hit->second;
}
}
}
}
return NULL;
}
cImage *cImageCache::GetSeparatorLogo(string name, int width, int height) {
cMutexLock MutexLock(&mutex);
stringstream logoName;
logoName << name << "_" << width << "x" << height;
std::map<std::string, cImage*>::iterator hit = channelLogoCache.find(logoName.str());
if (hit != channelLogoCache.end()) {
return (cImage*)hit->second;
} else {
bool success = LoadSeparatorLogo(name);
if (success) {
//add requested logo to cache
cImage *image = CreateImage(width, height);
channelLogoCache.insert(pair<string, cImage*>(logoName.str(), image));
hit = channelLogoCache.find(logoName.str());
if (hit != channelLogoCache.end()) {
return (cImage*)hit->second;
}
}
}
return NULL;
}
bool cImageCache::LogoExists(string channelID) {
tChannelID chanID = tChannelID::FromString(channelID.c_str());
const cChannel *channel = Channels.GetByChannelID(chanID);
if (!channel)
return false;
string logoPath = *cString::sprintf("%s%s/logos/", *config.skinPath, Setup.OSDTheme);
string logoLower = StrToLowerCase(channel->Name());
string logoExt = *config.logoExtension;
bool logoExists = FileExists(logoPath, logoLower, logoExt);
if (logoExists) {
return true;
}
logoExists = FileExists(logoPath, channelID, logoExt);
if (logoExists) {
return true;
}
return false;
}
bool cImageCache::SeparatorLogoExists(string name) {
string separatorPath = *cString::sprintf("%s%s/logos/separatorlogos/", *config.skinPath, Setup.OSDTheme);
string nameLower = StrToLowerCase(name.c_str());
string logoExt = *config.logoExtension;
bool logoExists = FileExists(separatorPath, nameLower, logoExt);
if (logoExists) {
return true;
}
return false;
}
void cImageCache::CacheIcon(eImageType type, string name, int width, int height) {
if (width < 1 || width > 1920 || height < 1 || height > 1080)
return;
bool success = LoadIcon(type, name);
if (!success)
return;
stringstream iconName;
iconName << name << "_" << width << "x" << height;
cImage *image = CreateImage(width, height, true);
iconCache.insert(pair<string, cImage*>(iconName.str(), image));
}
cImage *cImageCache::GetIcon(eImageType type, string name, int width, int height) {
if (width < 1 || width > 1920 || height < 1 || height > 1080)
return NULL;
cMutexLock MutexLock(&mutex);
stringstream iconName;
iconName << name << "_" << width << "x" << height;
map<string, cImage*>::iterator hit = iconCache.find(iconName.str());
if (hit != iconCache.end()) {
return (cImage*)hit->second;
} else {
bool success = LoadIcon(type, name);
if (!success)
return NULL;
cImage *image = CreateImage(width, height, true);
iconCache.insert(pair<string, cImage*>(iconName.str(), image));
hit = iconCache.find(iconName.str());
if (hit != iconCache.end()) {
return (cImage*)hit->second;
}
}
return NULL;
}
string cImageCache::GetIconName(string label) {
//check for standard menu entries
for (int i=0; i<16; i++) {
string s = trVDR(items[i].c_str());
if (s == label) {
return *cString::sprintf("standardicons/%s", items[i].c_str());
}
}
//check for special main menu entries "stop recording", "stop replay"
string stopRecording = skipspace(trVDR(" Stop recording "));
string stopReplay = skipspace(trVDR(" Stop replaying"));
try {
if (label.substr(0, stopRecording.size()) == stopRecording) {
return "standardicons/StopRecording";
}
if (label.substr(0, stopReplay.size()) == stopReplay) {
return "standardicons/StopReplay";
}
} catch (...) {}
//check for Plugins
for (int i = 0; ; i++) {
cPlugin *p = cPluginManager::GetPlugin(i);
if (p) {
const char *mainMenuEntry = p->MainMenuEntry();
if (mainMenuEntry) {
string plugMainEntry = mainMenuEntry;
try {
if (label.substr(0, plugMainEntry.size()) == plugMainEntry) {
return *cString::sprintf("pluginicons/%s", p->Name());
}
} catch (...) {}
}
} else
break;
}
return *cString::sprintf("customicons/%s", label.c_str());
}
void cImageCache::CacheSkinpart(string name, int width, int height) {
if (width < 1 || width > 1920 || height < 1 || height > 1080)
return;
bool success = LoadSkinpart(name);
if (!success)
return;
stringstream iconName;
iconName << name << "_" << width << "x" << height;
cImage *image = CreateImage(width, height, false);
skinPartsCache.insert(pair<string, cImage*>(iconName.str(), image));
}
cImage *cImageCache::GetSkinpart(string name, int width, int height) {
if (width < 1 || width > 1920 || height < 1 || height > 1080)
return NULL;
cMutexLock MutexLock(&mutex);
stringstream iconName;
iconName << name << "_" << width << "x" << height;
map<string, cImage*>::iterator hit = skinPartsCache.find(iconName.str());
if (hit != skinPartsCache.end()) {
return (cImage*)hit->second;
} else {
bool success = LoadSkinpart(name);
if (!success)
return NULL;
cImage *image = CreateImage(width, height, false);
skinPartsCache.insert(pair<string, cImage*>(iconName.str(), image));
hit = skinPartsCache.find(iconName.str());
if (hit != skinPartsCache.end()) {
return (cImage*)hit->second;
}
}
return NULL;
}
bool cImageCache::LoadIcon(eImageType type, string name) {
bool success = false;
cString subdir("");
if (type == itMenuIcon)
subdir = "menuicons";
else if (type == itIcon)
subdir = "icons";
cString iconPath = cString::sprintf("%s%s/graphics/%s/", *config.skinPath, Setup.OSDTheme, *subdir);
success = LoadImage(name, *iconPath, "png");
if (success) {
return true;
}
return false;
}
bool cImageCache::LoadLogo(const cChannel *channel) {
if (!channel)
return false;
cString logoPath = cString::sprintf("%s%s/logos/", *config.skinPath, Setup.OSDTheme);
string channelID = StrToLowerCase(*(channel->GetChannelID().ToString()));
string logoLower = StrToLowerCase(channel->Name());
bool success = false;
success = LoadImage(channelID.c_str(), *logoPath, *config.logoExtension);
if (success)
return true;
success = LoadImage(logoLower.c_str(), *logoPath, *config.logoExtension);
if (success)
return true;
return false;
}
bool cImageCache::LoadSeparatorLogo(string name) {
cString separatorPath = cString::sprintf("%s%s/logos/separatorlogos/", *config.skinPath, Setup.OSDTheme);
string nameLower = StrToLowerCase(name.c_str());
bool success = false;
success = LoadImage(nameLower.c_str(), *separatorPath, *config.logoExtension);
if (success)
return true;
return false;
}
bool cImageCache::LoadSkinpart(string name) {
bool success = false;
cString iconPath = cString::sprintf("%s%s/graphics/skinparts/", *config.skinPath, Setup.OSDTheme);
success = LoadImage(name, *iconPath, "png");
if (success) {
return true;
}
return false;
}
void cImageCache::Clear(void) {
for(map<string, cImage*>::const_iterator it = iconCache.begin(); it != iconCache.end(); it++) {
cImage *img = (cImage*)it->second;
delete img;
}
iconCache.clear();
for(map<string, cImage*>::const_iterator it = channelLogoCache.begin(); it != channelLogoCache.end(); it++) {
cImage *img = (cImage*)it->second;
delete img;
}
channelLogoCache.clear();
for(map<std::string, cImage*>::const_iterator it = skinPartsCache.begin(); it != skinPartsCache.end(); it++) {
cImage *img = (cImage*)it->second;
delete img;
}
skinPartsCache.clear();
}
void cImageCache::Debug(bool full) {
int sizeIconCache = 0;
int numIcons = 0;
GetIconCacheSize(numIcons, sizeIconCache);
dsyslog("skindesigner: cached %d icons - size %d byte", numIcons, sizeIconCache);
if (full) {
for(std::map<std::string, cImage*>::const_iterator it = iconCache.begin(); it != iconCache.end(); it++) {
string name = it->first;
dsyslog("skindesigner: cached icon %s", name.c_str());
}
}
int sizeLogoCache = 0;
int numLogos = 0;
GetLogoCacheSize(numLogos, sizeLogoCache);
dsyslog("skindesigner: cached %d logos - size %d byte", numLogos, sizeLogoCache);
if (full) {
for(std::map<std::string, cImage*>::const_iterator it = channelLogoCache.begin(); it != channelLogoCache.end(); it++) {
string name = it->first;
dsyslog("skindesigner: cached logo %s", name.c_str());
}
}
int sizeSkinpartCache = 0;
int numSkinparts = 0;
GetSkinpartsCacheSize(numSkinparts, sizeSkinpartCache);
dsyslog("skindesigner: cached %d skinparts - size %d byte", numSkinparts, sizeSkinpartCache);
if (full) {
for(std::map<std::string, cImage*>::const_iterator it = skinPartsCache.begin(); it != skinPartsCache.end(); it++) {
string name = it->first;
dsyslog("skindesigner: cached skinpart %s", name.c_str());
}
}
}
void cImageCache::GetIconCacheSize(int &num, int &size) {
num = iconCache.size();
for (map<string, cImage*>::iterator icon = iconCache.begin(); icon != iconCache.end(); icon++) {
cImage* img = icon->second;
size += img->Width() * img->Height() * sizeof(tColor);
}
}
void cImageCache::GetLogoCacheSize(int &num, int &size) {
num = channelLogoCache.size();
for (map<string, cImage*>::iterator logo = channelLogoCache.begin(); logo != channelLogoCache.end(); logo++) {
cImage* img = logo->second;
size += img->Width() * img->Height() * sizeof(tColor);
}
}
void cImageCache::GetSkinpartsCacheSize(int &num, int &size) {
num = skinPartsCache.size();
for (map<string, cImage*>::iterator skinpart = skinPartsCache.begin(); skinpart != skinPartsCache.end(); skinpart++) {
cImage* img = skinpart->second;
size += img->Width() * img->Height() * sizeof(tColor);
}
}