eBookReaderSwitch/source/menus/book/PageLayout.hpp

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#ifndef EBOOK_READER_PAGE_LAYOUT_HPP
#define EBOOK_READER_PAGE_LAYOUT_HPP
#include <mupdf/pdf.h>
#include <SDL2/SDL.h>
extern fz_context *ctx;
static inline void FreeTextureIfNeeded(SDL_Texture **texture)
{
if (texture && *texture)
{
SDL_DestroyTexture(*texture);
*texture = NULL;
}
}
class PageLayout
{
public:
PageLayout(fz_document *doc, int current_page);
int current_page()
{
return _current_page;
}
virtual void previous_page(int n);
virtual void next_page(int n);
virtual void zoom_in();
virtual void zoom_out();
virtual void move_up();
virtual void move_down();
virtual void move_left();
virtual void move_right();
virtual void reset();
virtual void draw_page();
virtual char* info();
protected:
virtual void render_page_to_texture(int num, bool reset_zoom);
virtual void set_zoom(float value);
virtual void move_page(float x, float y);
fz_document *doc = NULL;
pdf_document *pdf = NULL;
const int pages_count = 0;
int _current_page = 0;
fz_rect page_bounds = fz_empty_rect;
fz_point page_center = fz_make_point(0, 0);
float min_zoom = 1, max_zoom = 1, zoom = 1;
SDL_Rect viewport;
SDL_Texture *page_texture = NULL;
};
#endif