1 files changed, 106 insertions, 0 deletions
diff --git a/src/getsuyomi.cpp b/src/getsuyomi.cpp
new file mode 100644
index 0000000..11f273b
--- /dev/null
+++ b/src/getsuyomi.cpp
@@ -0,0 +1,106 @@
+#include "getsuyomi.hpp"
+#include "main_window.hpp"
+
+namespace getsuyomi {
+
+Getsuyomi::Getsuyomi()
+{
+    m_layout = new QVBoxLayout();
+
+    m_layout->addWidget(&m_pageLeft);
+    m_layout->addWidget(&m_pageRight);
+
+    setLayout(m_layout);
+}
+
+void Getsuyomi::setArchive(Archive* archive) {
+    if (archive == m_archive) {
+        return;
+    }
+    delete(m_archive);
+    m_archive = archive;
+    m_pageNumber = 0;
+    setPages();
+}
+
+void Getsuyomi::next() {
+    auto numPages = m_archive->numPages();
+    size_t increment = 1;
+    if (m_pageLayout != PageLayout::Single) {
+        increment = 2;
+    }
+    if ((m_pageNumber + increment) >= numPages)
+    {
+        return;
+    }
+    m_pageNumber += increment;
+    setPages();
+}
+
+void Getsuyomi::back() {
+    auto numPages = m_archive->numPages();
+    size_t decrement = 1;
+    if (m_pageLayout != PageLayout::Single) {
+        decrement = 2;
+    }
+    if (m_pageNumber < decrement)
+    {
+        m_pageNumber = 0;
+        decrement = 0;
+    }
+    m_pageNumber -= decrement;
+    setPages();
+}
+
+void Getsuyomi::setPages() {
+    m_pageLeft.setPixmap(QPixmap());
+    m_pageRight.setPixmap(QPixmap());
+
+    switch (m_pageLayout)
+    {
+    case PageLayout::Dual:
+        return setPagesDual();
+    case PageLayout::Manga:
+        return setPagesManga();
+    case PageLayout::Single:
+    default:
+        return setPagesNormal();
+    }
+}
+
+void Getsuyomi::setPagesNormal() {
+    auto page1 = m_archive->getPage(m_pageNumber);
+    auto& label1 = m_pageLeft;
+
+    if (page1.isOkay()) {
+        label1.setPixmap(QPixmap::fromImage(page1.getOkay()));
+    }
+}
+
+void Getsuyomi::setPagesDual() {
+    auto& label1 = m_pageLeft;
+    auto& label2 = m_pageRight;
+    setPages(label1, label2);
+}
+
+void Getsuyomi::setPagesManga() {
+    auto& label1 = m_pageRight;
+    auto& label2 = m_pageLeft;
+    setPages(label1, label2);
+}
+
+void Getsuyomi::setPages(QLabel& label1, QLabel& label2) {
+    auto page1 = m_archive->getPage(m_pageNumber);
+    auto page2 = m_archive->getPage(m_pageNumber + 1);
+
+    if (page1.isOkay()) {
+        label1.setPixmap(QPixmap::fromImage(page1.getOkay()));
+    }
+
+
+    if (page2.isOkay()) {
+        label2.setPixmap(QPixmap::fromImage(page1.getOkay()));
+    }
+}
+
+} // namespace getsuyomi