From 07f80da8f9c46c228c272e95ab88a3e098c899d9 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Tue, 30 Jun 2020 02:25:10 +0200
Subject: Add infinite image scroll mode

---
 include/ImageViewer.hpp | 63 +++++++++++++++++++++++++++++++++++++++++++++++++
 include/Page.hpp        |  1 +
 include/QuickMedia.hpp  |  1 +
 3 files changed, 65 insertions(+)
 create mode 100644 include/ImageViewer.hpp

(limited to 'include')

diff --git a/include/ImageViewer.hpp b/include/ImageViewer.hpp
new file mode 100644
index 0000000..fb1e5e3
--- /dev/null
+++ b/include/ImageViewer.hpp
@@ -0,0 +1,63 @@
+#pragma once
+
+#include "Path.hpp"
+#include <string>
+#include <vector>
+#include <SFML/Graphics/RenderWindow.hpp>
+#include <SFML/Graphics/Texture.hpp>
+#include <SFML/Graphics/Sprite.hpp>
+#include <SFML/Graphics/Font.hpp>
+#include <SFML/Graphics/Text.hpp>
+#include <SFML/System/Clock.hpp>
+
+namespace QuickMedia {
+    class Manga;
+
+    struct ImageData {
+        sf::Texture texture;
+        sf::Sprite sprite;
+        bool failed_to_load_image;
+        bool visible_on_screen;
+    };
+
+    struct PageSize {
+        sf::Vector2<double> size;
+        bool loaded;
+    };
+
+    class ImageViewer {
+    public:
+        ImageViewer(Manga *manga, const std::string &images_url, const std::string &chapter_title, int current_page, const Path &chapter_cache_dir, sf::Font *font);
+        bool draw(sf::RenderWindow &window);
+        // Returns page as 1 indexed
+        int get_focused_page() const;
+        int get_num_pages() const { return num_pages; }
+    private:
+        bool render_page(sf::RenderWindow &window, int page, double offset_y);
+        sf::Vector2<double> get_page_size(int page);
+    private:
+        int current_page;
+        int num_pages;
+        int page_center;
+
+        std::string chapter_title;
+        Path chapter_cache_dir;
+
+        double scroll = 0.0;
+        double scroll_speed = 0.0;
+        double min_page_center_dist;
+        int page_closest_to_center;
+        int focused_page;
+        int prev_focused_page = -1;
+
+        sf::Font *font;
+        sf::Clock frame_timer;
+        sf::Text page_text;
+
+        std::vector<std::unique_ptr<ImageData>> image_data;
+        std::vector<PageSize> page_size;
+
+        sf::Vector2<double> window_size;
+        bool window_size_set = false;
+    };
+}
\ No newline at end of file
diff --git a/include/Page.hpp b/include/Page.hpp
index b615c8c..dc4051c 100644
--- a/include/Page.hpp
+++ b/include/Page.hpp
@@ -8,6 +8,7 @@ namespace QuickMedia {
         VIDEO_CONTENT,
         EPISODE_LIST,
         IMAGES,
+        IMAGES_CONTINUOUS,
         CONTENT_LIST,
         CONTENT_DETAILS,
         IMAGE_BOARD_THREAD_LIST,
diff --git a/include/QuickMedia.hpp b/include/QuickMedia.hpp
index 2e14b09..387a5a5 100644
--- a/include/QuickMedia.hpp
+++ b/include/QuickMedia.hpp
@@ -33,6 +33,7 @@ namespace QuickMedia {
         void video_content_page();
         void episode_list_page();
         void image_page();
+        void image_continuous_page();
         void content_list_page();
         void content_details_page();
         void image_board_thread_list_page();
-- 
cgit v1.2.3