eBookReaderSwitch/source/menus/book/BookReader.cpp

184 lines
4.8 KiB
C++

#include "BookReader.hpp"
#include "PageLayout.hpp"
#include "LandscapePageLayout.hpp"
#include "common.h"
#include <algorithm>
//#include <libconfig.h>
extern "C" {
#include "SDL_helper.h"
#include "status_bar.h"
//#include "config.h"
}
fz_context *ctx = NULL;
/*config_t *config = NULL;
static int load_last_page(const char *book_name) {
if (!config) {
config = (config_t *)malloc(sizeof(config_t));
config_init(config);
config_read_file(config, "/switch/NX-Shell/last_book_pages.cfg");
}
config_setting_t *setting = config_setting_get_member(config_root_setting(config), book_name);
if (setting) {
return config_setting_get_int(setting);
}
return 0;
}
static void save_last_page(const char *book_name, int current_page) {
config_setting_t *setting = config_setting_get_member(config_root_setting(config), book_name);
if (!setting) {
setting = config_setting_add(config_root_setting(config), book_name, CONFIG_TYPE_INT);
}
if (setting) {
config_setting_set_int(setting, current_page);
config_write_file(config, "/switch/NX-Shell/last_book_pages.cfg");
}
}*/
BookReader::BookReader(const char *path) {
if (ctx == NULL) {
ctx = fz_new_context(NULL, NULL, 128 << 10);
fz_register_document_handlers(ctx);
}
book_name = std::string(path).substr(std::string(path).find_last_of("/\\") + 1);
std::string invalid_chars = " :/?#[]@!$&'()*+,;=.";
for (char& c: invalid_chars) {
book_name.erase(std::remove(book_name.begin(), book_name.end(), c), book_name.end());
}
doc = fz_open_document(ctx, path);
//int current_page = load_last_page(book_name.c_str());
int current_page = 0;
switch_current_page_layout(_currentPageLayout, current_page);
if (current_page > 0) {
show_status_bar();
}
}
BookReader::~BookReader() {
fz_drop_document(ctx, doc);
delete layout;
}
void BookReader::previous_page(int n) {
layout->previous_page(n);
show_status_bar();
//save_last_page(book_name.c_str(), layout->current_page());
}
void BookReader::next_page(int n) {
layout->next_page(n);
show_status_bar();
//save_last_page(book_name.c_str(), layout->current_page());
}
void BookReader::zoom_in() {
layout->zoom_in();
show_status_bar();
}
void BookReader::zoom_out() {
layout->zoom_out();
show_status_bar();
}
void BookReader::move_page_up() {
layout->move_up();
}
void BookReader::move_page_down() {
layout->move_down();
}
void BookReader::move_page_left() {
layout->move_left();
}
void BookReader::move_page_right() {
layout->move_right();
}
void BookReader::reset_page() {
layout->reset();
show_status_bar();
}
void BookReader::switch_page_layout() {
switch (_currentPageLayout) {
case BookPageLayoutPortrait:
switch_current_page_layout(BookPageLayoutLandscape, 0);
break;
case BookPageLayoutLandscape:
switch_current_page_layout(BookPageLayoutPortrait, 0);
break;
}
}
void BookReader::draw() {
/*if (config_dark_theme == true)
SDL_ClearScreen(RENDERER, SDL_MakeColour(33, 39, 43, 255));
else */
SDL_ClearScreen(RENDERER, SDL_MakeColour(255, 255, 255, 255));
SDL_RenderClear(RENDERER);
layout->draw_page();
#ifdef __SWITCH__
if (--status_bar_visible_counter > 0) {
char *title = layout->info();
int title_width = 0, title_height = 0;
//TTF_SizeText(Roboto, title, &title_width, &title_height);
TTF_SizeText(ARIAL_UNICODE, title, &title_width, &title_height);
//SDL_Color color = config_dark_theme ? STATUS_BAR_DARK : STATUS_BAR_LIGHT;
SDL_Color color = STATUS_BAR_LIGHT;
SDL_DrawRect(RENDERER, 0, 0, 1280, 40, SDL_MakeColour(color.r, color.g, color.b , 128));
//SDL_DrawText(RENDERER, Roboto, (1280 - title_width) / 2, (44 - title_height) / 2, WHITE, title);
SDL_DrawText(RENDERER, ARIAL_UNICODE, (1280 - title_width) / 2, (44 - title_height) / 2, WHITE, title);
StatusBar_DisplayTime();
}
#endif
SDL_RenderPresent(RENDERER);
}
void BookReader::show_status_bar() {
status_bar_visible_counter = 50;
}
void BookReader::switch_current_page_layout(BookPageLayout bookPageLayout, int current_page) {
if (layout) {
current_page = layout->current_page();
delete layout;
layout = NULL;
}
_currentPageLayout = bookPageLayout;
switch (bookPageLayout) {
case BookPageLayoutPortrait:
layout = new PageLayout(doc, current_page);
break;
case BookPageLayoutLandscape:
layout = new LandscapePageLayout(doc, current_page);
break;
}
}