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// resource.cpp - Source to manage GUI resources
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <string>
#include <sstream>
#include <iostream>
#include <iomanip>
#include "../minzip/Zip.h"
extern "C" {
#include "../twcommon.h"
#include "gui.h"
}
#include "../minuitwrp/minui.h"
#include "rapidxml.hpp"
#include "objects.hpp"
#define TMP_RESOURCE_NAME "/tmp/extract.bin"
Resource::Resource(xml_node<>* node, ZipArchive* pZip __unused)
{
if (node && node->first_attribute("name"))
mName = node->first_attribute("name")->value();
}
int Resource::ExtractResource(ZipArchive* pZip, std::string folderName, std::string fileName, std::string fileExtn, std::string destFile)
{
if (!pZip)
return -1;
std::string src = folderName + "/" + fileName + fileExtn;
const ZipEntry* binary = mzFindZipEntry(pZip, src.c_str());
if (binary == NULL) {
return -1;
}
unlink(destFile.c_str());
int fd = creat(destFile.c_str(), 0666);
if (fd < 0)
return -1;
int ret = 0;
if (!mzExtractZipEntryToFile(pZip, binary, fd))
ret = -1;
close(fd);
return ret;
}
void Resource::LoadImage(ZipArchive* pZip, std::string file, gr_surface* surface)
{
int rc = 0;
if (ExtractResource(pZip, "images", file, ".png", TMP_RESOURCE_NAME) == 0)
{
rc = res_create_surface(TMP_RESOURCE_NAME, surface);
unlink(TMP_RESOURCE_NAME);
}
else if (ExtractResource(pZip, "images", file, "", TMP_RESOURCE_NAME) == 0)
{
// JPG includes the .jpg extension in the filename so extension should be blank
rc = res_create_surface(TMP_RESOURCE_NAME, surface);
unlink(TMP_RESOURCE_NAME);
}
else if (!pZip)
{
// File name in xml may have included .png so try without adding .png
rc = res_create_surface(file.c_str(), surface);
}
if (rc != 0)
LOGINFO("Failed to load image from %s%s, error %d\n", file.c_str(), pZip ? " (zip)" : "", rc);
}
void Resource::CheckAndScaleImage(gr_surface source, gr_surface* destination, int retain_aspect)
{
if (!source) {
*destination = NULL;
return;
}
if (get_scale_w() != 0 && get_scale_h() != 0) {
float scale_w = get_scale_w(), scale_h = get_scale_h();
if (retain_aspect) {
if (scale_w < scale_h)
scale_h = scale_w;
else
scale_w = scale_h;
}
if (res_scale_surface(source, destination, scale_w, scale_h)) {
LOGINFO("Error scaling image, using regular size.\n");
*destination = source;
}
} else {
*destination = source;
}
}
FontResource::FontResource(xml_node<>* node, ZipArchive* pZip)
: Resource(node, pZip)
{
origFontSize = 0;
origFont = NULL;
LoadFont(node, pZip);
}
void FontResource::LoadFont(xml_node<>* node, ZipArchive* pZip)
{
std::string file;
xml_attribute<>* attr;
mFont = NULL;
if (!node)
return;
attr = node->first_attribute("filename");
if (!attr)
return;
file = attr->value();
if(file.size() >= 4 && file.compare(file.size()-4, 4, ".ttf") == 0)
{
int font_size = 0;
if (origFontSize != 0) {
attr = node->first_attribute("scale");
if (attr == NULL)
return;
font_size = origFontSize * atoi(attr->value()) / 100;
} else {
attr = node->first_attribute("size");
if (attr == NULL)
return;
font_size = scale_theme_min(atoi(attr->value()));
origFontSize = font_size;
}
int dpi = 300;
attr = node->first_attribute("dpi");
if(attr)
dpi = atoi(attr->value());
// we can't use TMP_RESOURCE_NAME here because the ttf subsystem is caching the name and scaling needs to reload the font
std::string tmpname = "/tmp/" + file;
if (ExtractResource(pZip, "fonts", file, "", tmpname) == 0)
{
mFont = gr_ttf_loadFont(tmpname.c_str(), font_size, dpi);
}
else
{
file = std::string(TWRES "fonts/") + file;
mFont = gr_ttf_loadFont(file.c_str(), font_size, dpi);
}
}
else
{
LOGERR("Non-TTF fonts are no longer supported.\n");
}
}
void FontResource::DeleteFont() {
if(mFont)
gr_ttf_freeFont(mFont);
mFont = NULL;
if(origFont)
gr_ttf_freeFont(origFont);
origFont = NULL;
}
void FontResource::Override(xml_node<>* node, ZipArchive* pZip) {
if (!origFont) {
origFont = mFont;
} else if (mFont) {
gr_ttf_freeFont(mFont);
mFont = NULL;
}
LoadFont(node, pZip);
}
FontResource::~FontResource()
{
DeleteFont();
}
ImageResource::ImageResource(xml_node<>* node, ZipArchive* pZip)
: Resource(node, pZip)
{
std::string file;
gr_surface temp_surface = NULL;
mSurface = NULL;
if (!node) {
LOGERR("ImageResource node is NULL\n");
return;
}
if (node->first_attribute("filename"))
file = node->first_attribute("filename")->value();
else {
LOGERR("No filename specified for image resource.\n");
return;
}
bool retain_aspect = (node->first_attribute("retainaspect") != NULL);
// the value does not matter, if retainaspect is present, we assume that we want to retain it
LoadImage(pZip, file, &temp_surface);
CheckAndScaleImage(temp_surface, &mSurface, retain_aspect);
}
ImageResource::~ImageResource()
{
if (mSurface)
res_free_surface(mSurface);
}
AnimationResource::AnimationResource(xml_node<>* node, ZipArchive* pZip)
: Resource(node, pZip)
{
std::string file;
int fileNum = 1;
if (!node)
return;
if (node->first_attribute("filename"))
file = node->first_attribute("filename")->value();
else {
LOGERR("No filename specified for image resource.\n");
return;
}
bool retain_aspect = (node->first_attribute("retainaspect") != NULL);
// the value does not matter, if retainaspect is present, we assume that we want to retain it
for (;;)
{
std::ostringstream fileName;
fileName << file << std::setfill ('0') << std::setw (3) << fileNum;
gr_surface surface, temp_surface = NULL;
LoadImage(pZip, fileName.str(), &temp_surface);
CheckAndScaleImage(temp_surface, &surface, retain_aspect);
if (surface) {
mSurfaces.push_back(surface);
fileNum++;
} else
break; // Done loading animation images
}
}
AnimationResource::~AnimationResource()
{
std::vector<gr_surface>::iterator it;
for (it = mSurfaces.begin(); it != mSurfaces.end(); ++it)
res_free_surface(*it);
mSurfaces.clear();
}
FontResource* ResourceManager::FindFont(const std::string& name) const
{
for (std::vector<FontResource*>::const_iterator it = mFonts.begin(); it != mFonts.end(); ++it)
if (name == (*it)->GetName())
return *it;
return NULL;
}
ImageResource* ResourceManager::FindImage(const std::string& name) const
{
for (std::vector<ImageResource*>::const_iterator it = mImages.begin(); it != mImages.end(); ++it)
if (name == (*it)->GetName())
return *it;
return NULL;
}
AnimationResource* ResourceManager::FindAnimation(const std::string& name) const
{
for (std::vector<AnimationResource*>::const_iterator it = mAnimations.begin(); it != mAnimations.end(); ++it)
if (name == (*it)->GetName())
return *it;
return NULL;
}
std::string ResourceManager::FindString(const std::string& name) const
{
if (this != NULL) {
std::map<std::string, string_resource_struct>::const_iterator it = mStrings.find(name);
if (it != mStrings.end())
return it->second.value;
LOGERR("String resource '%s' not found. No default value.\n", name.c_str());
PageManager::AddStringResource("NO DEFAULT", name, "[" + name + ("]"));
} else {
LOGINFO("String resources not loaded when looking for '%s'. No default value.\n", name.c_str());
}
return "[" + name + ("]");
}
std::string ResourceManager::FindString(const std::string& name, const std::string& default_string) const
{
if (this != NULL) {
std::map<std::string, string_resource_struct>::const_iterator it = mStrings.find(name);
if (it != mStrings.end())
return it->second.value;
LOGERR("String resource '%s' not found. Using default value.\n", name.c_str());
PageManager::AddStringResource("DEFAULT", name, default_string);
} else {
LOGINFO("String resources not loaded when looking for '%s'. Using default value.\n", name.c_str());
}
return default_string;
}
void ResourceManager::DumpStrings() const
{
if (this == NULL) {
gui_print("No string resources\n");
return;
}
std::map<std::string, string_resource_struct>::const_iterator it;
gui_print("Dumping all strings:\n");
for (it = mStrings.begin(); it != mStrings.end(); it++)
gui_print("source: %s: '%s' = '%s'\n", it->second.source.c_str(), it->first.c_str(), it->second.value.c_str());
gui_print("Done dumping strings\n");
}
ResourceManager::ResourceManager()
{
}
void ResourceManager::AddStringResource(std::string resource_source, std::string resource_name, std::string value)
{
string_resource_struct res;
res.source = resource_source;
res.value = value;
mStrings[resource_name] = res;
}
void ResourceManager::LoadResources(xml_node<>* resList, ZipArchive* pZip, std::string resource_source)
{
if (!resList)
return;
for (xml_node<>* child = resList->first_node(); child; child = child->next_sibling())
{
std::string type = child->name();
if (type == "resource") {
// legacy format : <resource type="...">
xml_attribute<>* attr = child->first_attribute("type");
type = attr ? attr->value() : "*unspecified*";
}
bool error = false;
if (type == "font")
{
FontResource* res = new FontResource(child, pZip);
if (res->GetResource())
mFonts.push_back(res);
else {
error = true;
delete res;
}
}
else if (type == "fontoverride")
{
if (mFonts.size() != 0 && child && child->first_attribute("name")) {
string FontName = child->first_attribute("name")->value();
size_t font_count = mFonts.size(), i;
bool found = false;
for (i = 0; i < font_count; i++) {
if (mFonts[i]->GetName() == FontName) {
mFonts[i]->Override(child, pZip);
found = true;
break;
}
}
if (!found) {
LOGERR("Unable to locate font '%s' for override.\n", FontName.c_str());
}
} else if (mFonts.size() != 0)
LOGERR("Unable to locate font name for type fontoverride.\n");
}
else if (type == "image")
{
ImageResource* res = new ImageResource(child, pZip);
if (res->GetResource())
mImages.push_back(res);
else {
error = true;
delete res;
}
}
else if (type == "animation")
{
AnimationResource* res = new AnimationResource(child, pZip);
if (res->GetResourceCount())
mAnimations.push_back(res);
else {
error = true;
delete res;
}
}
else if (type == "string")
{
if (xml_attribute<>* attr = child->first_attribute("name")) {
string_resource_struct res;
res.source = resource_source;
res.value = child->value();
mStrings[attr->value()] = res;
} else
error = true;
}
else
{
LOGERR("Resource type (%s) not supported.\n", type.c_str());
error = true;
}
if (error)
{
std::string res_name;
if (child->first_attribute("name"))
res_name = child->first_attribute("name")->value();
if (res_name.empty() && child->first_attribute("filename"))
res_name = child->first_attribute("filename")->value();
if (!res_name.empty()) {
LOGERR("Resource (%s)-(%s) failed to load\n", type.c_str(), res_name.c_str());
} else
LOGERR("Resource type (%s) failed to load\n", type.c_str());
}
}
}
ResourceManager::~ResourceManager()
{
for (std::vector<FontResource*>::iterator it = mFonts.begin(); it != mFonts.end(); ++it)
delete *it;
for (std::vector<ImageResource*>::iterator it = mImages.begin(); it != mImages.end(); ++it)
delete *it;
for (std::vector<AnimationResource*>::iterator it = mAnimations.begin(); it != mAnimations.end(); ++it)
delete *it;
}
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