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