1 files changed, 73 insertions, 0 deletions
diff --git a/tikzit/src/tikzit.h b/tikzit/src/tikzit.h
new file mode 100644
index 0000000..74a7ea6
--- /dev/null
+++ b/tikzit/src/tikzit.h
@@ -0,0 +1,73 @@
+#ifndef TIKZIT_H
+#define TIKZIT_H
+
+#include "mainwindow.h"
+#include "toolpalette.h"
+#include "propertypalette.h"
+#include "nodestyle.h"
+
+#include <QObject>
+#include <QVector>
+#include <QPointF>
+#include <QMenuBar>
+#include <QMainWindow>
+
+// Number of pixels between (0,0) and (1,0) at 100% zoom level. This should be
+// divisible by 8 to avoid rounding errors with e.g. grid-snapping.
+#define GLOBAL_SCALE 80
+#define GLOBAL_SCALEF 80.0f
+
+inline QPointF toScreen(QPointF src)
+{ src.setY(-src.y()); src *= GLOBAL_SCALEF; return src; }
+
+inline QPointF fromScreen(QPointF src)
+{ src.setY(-src.y()); src /= GLOBAL_SCALEF; return src; }
+
+// interpolate on a cubic bezier curve
+inline float bezierInterpolate(float dist, float c0, float c1, float c2, float c3) {
+    float distp = 1 - dist;
+    return	(distp*distp*distp) * c0 +
+            3 * (distp*distp) * dist * c1 +
+            3 * (dist*dist) * distp * c2 +
+            (dist*dist*dist) * c3;
+}
+
+inline QPointF bezierInterpolateFull (float dist, QPointF c0, QPointF c1, QPointF c2, QPointF c3) {
+    return QPointF(bezierInterpolate (dist, c0.x(), c1.x(), c2.x(), c3.x()),
+                   bezierInterpolate (dist, c0.y(), c1.y(), c2.y(), c3.y()));
+}
+
+class Tikzit : public QObject {
+    Q_OBJECT
+public:
+    Tikzit();
+    QMenuBar *mainMenu() const;
+    ToolPalette *toolPalette() const;
+    PropertyPalette *propertyPalette() const;
+
+    MainWindow *activeWindow() const;
+    void setActiveWindow(MainWindow *activeWindow);
+    void removeWindow(MainWindow *w);
+    NodeStyle nodeStyle(QString name);
+
+private:
+    void createMenu();
+    void loadStyles();
+
+    QMenuBar *_mainMenu;
+    ToolPalette *_toolPalette;
+    PropertyPalette *_propertyPalette;
+    QVector<MainWindow*> _windows;
+    MainWindow *_activeWindow;
+    QVector<NodeStyle> _nodeStyles;
+
+public slots:
+    void newDoc();
+    void open();
+    void zoomIn();
+    void zoomOut();
+};
+
+extern Tikzit *tikzit;
+
+#endif // TIKZIT_H