Initial commit

dgl/App.hpp

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+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_APP_HPP_INCLUDED
+#define DGL_APP_HPP_INCLUDED
+
+#include "Base.hpp"
+
+START_NAMESPACE_DGL
+
+class Window;
+
+// -----------------------------------------------------------------------
+
+class App
+{
+public:
+    App();
+    ~App();
+
+    void idle();
+    void exec();
+    void quit();
+    bool isQuiting() const;
+
+private:
+    struct PrivateData;
+    PrivateData* const pData;
+    friend class Window;
+
+    void addWindow(Window* const window);
+    void removeWindow(Window* const window);
+    void oneShown();
+    void oneHidden();
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_APP_HPP_INCLUDED

dgl/Base.hpp

@@ -0,0 +1,143 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_BASE_HPP_INCLUDED
+#define DGL_BASE_HPP_INCLUDED
+
+#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
+# define DGL_OS_WINDOWS 1
+#elif defined(__APPLE__)
+# define DGL_OS_MAC     1
+#elif defined(__HAIKU__)
+# define DGL_OS_HAIKU   1
+#elif defined(__linux__)
+# define DGL_OS_LINUX   1
+#endif
+
+#if defined(HAVE_CPP11_SUPPORT)
+# define PROPER_CPP11_SUPPORT
+#elif defined(__GNUC__) && (__cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__))
+# if  (__GNUC__ * 100 + __GNUC_MINOR__) >= 405
+#  define PROPER_CPP11_SUPPORT
+#  if  (__GNUC__ * 100 + __GNUC_MINOR__) < 407
+#   define override // gcc4.7+ only
+#  endif
+# endif
+#endif
+
+#ifndef PROPER_CPP11_SUPPORT
+# ifndef __clang__
+#  define noexcept throw()
+# endif
+# define override
+# define nullptr (0)
+#endif
+
+#ifndef DGL_NAMESPACE
+# define DGL_NAMESPACE DGL
+#endif
+
+#define START_NAMESPACE_DGL namespace DGL_NAMESPACE {
+#define END_NAMESPACE_DGL }
+#define USE_NAMESPACE_DGL using namespace DGL_NAMESPACE;
+
+#if DGL_OS_MAC
+# include <OpenGL/gl.h>
+#else
+# include <GL/gl.h>
+#endif
+
+#if defined(GL_BGR_EXT) && ! defined(GL_BGR)
+# define GL_BGR GL_BGR_EXT
+#endif
+
+#if defined(GL_BGRA_EXT) && ! defined(GL_BGRA)
+# define GL_BGRA GL_BGRA_EXT
+#endif
+
+#ifndef GL_CLAMP_TO_BORDER
+# define GL_CLAMP_TO_BORDER 0x812D
+#endif
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+/*
+ * Convenience symbols for ASCII control characters.
+ */
+enum Char {
+    CHAR_BACKSPACE = 0x08,
+    CHAR_ESCAPE    = 0x1B,
+    CHAR_DELETE    = 0x7F
+};
+
+/*
+ * Special (non-Unicode) keyboard keys.
+ */
+enum Key {
+    KEY_F1 = 1,
+    KEY_F2,
+    KEY_F3,
+    KEY_F4,
+    KEY_F5,
+    KEY_F6,
+    KEY_F7,
+    KEY_F8,
+    KEY_F9,
+    KEY_F10,
+    KEY_F11,
+    KEY_F12,
+    KEY_LEFT,
+    KEY_UP,
+    KEY_RIGHT,
+    KEY_DOWN,
+    KEY_PAGE_UP,
+    KEY_PAGE_DOWN,
+    KEY_HOME,
+    KEY_END,
+    KEY_INSERT,
+    KEY_SHIFT,
+    KEY_CTRL,
+    KEY_ALT,
+    KEY_SUPER
+};
+
+/*
+ * Keyboard modifier flags.
+ */
+enum Modifier {
+    MODIFIER_SHIFT = 1 << 0, /**< Shift key */
+    MODIFIER_CTRL  = 1 << 1, /**< Control key */
+    MODIFIER_ALT   = 1 << 2, /**< Alt/Option key */
+    MODIFIER_SUPER = 1 << 3  /**< Mod4/Command/Windows key */
+};
+
+/*
+ * Cross-platform sleep function.
+ */
+void sleep(unsigned int secs);
+
+/*
+ * Cross-platform msleep function.
+ */
+void msleep(unsigned int msecs);
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_BASE_HPP_INCLUDED

dgl/CairoWidget.hpp

@@ -0,0 +1,142 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_CAIRO_WIDGET_HPP_INCLUDED
+#define DGL_CAIRO_WIDGET_HPP_INCLUDED
+
+#include "Widget.hpp"
+
+#include <cairo.h>
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+class CairoWidget : public Widget
+{
+public:
+    CairoWidget(Window& parent)
+        : Widget(parent),
+          fContext(nullptr),
+          fSurface(nullptr),
+          fTextureId(0)
+    {
+    }
+
+protected:
+    virtual void cairoDisplay(cairo_t* const context) = 0;
+
+private:
+    void onReshape(int width, int height) override
+    {
+        // handle resize
+        setSize(width, height);
+        Widget::onReshape(width, height);
+
+        // free previous if needed
+        onClose();
+
+        // create new
+        fSurface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, width, height);
+        fContext = cairo_create(fSurface);
+
+        glGenTextures(1, &fTextureId);
+    }
+
+    void onClose() override
+    {
+        if (fContext != nullptr)
+        {
+            cairo_destroy(fContext);
+            fContext = nullptr;
+        }
+
+        if (fSurface != nullptr)
+        {
+            cairo_surface_destroy(fSurface);
+            fSurface = nullptr;
+        }
+
+        if (fTextureId != 0)
+        {
+            glDeleteTextures(1, &fTextureId);
+            fTextureId = 0;
+        }
+    }
+
+    void onDisplay() override
+    {
+        // wait for first resize
+        if (fSurface == nullptr || fContext == nullptr)
+        {
+            glClear(GL_COLOR_BUFFER_BIT);
+            return;
+        }
+
+        const int width  = getWidth();
+        const int height = getHeight();
+
+        // draw cairo stuff
+        cairoDisplay(fContext);
+
+        // get cairo surface data (RGB24)
+        unsigned char* const surfaceData = cairo_image_surface_get_data(fSurface);
+
+        // enable GL texture
+        glEnable(GL_TEXTURE_RECTANGLE_ARB);
+
+        // set texture params
+        glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+        glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+        glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+        // bind texture to surface data
+        glBindTexture(GL_TEXTURE_RECTANGLE_ARB, fTextureId);
+        glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE, surfaceData);
+
+        // draw the texture
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+        glBegin(GL_QUADS);
+          glTexCoord2i(0, height);
+          glVertex2i(0, height);
+
+          glTexCoord2i(width, height);
+          glVertex2i(width, height);
+
+          glTexCoord2i(width, 0);
+          glVertex2i(width, 0);
+
+          glTexCoord2i(0, 0);
+          glVertex2i(0, 0);
+        glEnd();
+
+        // cleanup
+        glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
+        glDisable(GL_TEXTURE_RECTANGLE_ARB);
+    }
+
+private:
+    cairo_t*         fContext;
+    cairo_surface_t* fSurface;
+    GLuint           fTextureId;
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_CAIRO_WIDGET_HPP_INCLUDED

dgl/Geometry.hpp

@@ -0,0 +1,133 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_GEOMETRY_HPP_INCLUDED
+#define DGL_GEOMETRY_HPP_INCLUDED
+
+#include "Base.hpp"
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+template<typename T>
+class Point
+{
+public:
+    Point() noexcept;
+    Point(T x, T y) noexcept;
+    Point(const Point<T>& pos) noexcept;
+
+    T getX() const noexcept;
+    T getY() const noexcept;
+
+    void setX(T x) noexcept;
+    void setY(T y) noexcept;
+
+    void move(T x, T y) noexcept;
+    void move(const Point<T>& pos) noexcept;
+
+    Point<T>& operator=(const Point<T>& pos) noexcept;
+    Point<T>& operator+=(const Point<T>& pos) noexcept;
+    Point<T>& operator-=(const Point<T>& pos) noexcept;
+    bool operator==(const Point<T>& pos) const noexcept;
+    bool operator!=(const Point<T>& pos) const noexcept;
+
+private:
+    T fX, fY;
+    template<typename> friend class Rectangle;
+};
+
+// -----------------------------------------------------------------------
+
+template<typename T>
+class Size
+{
+public:
+    Size() noexcept;
+    Size(T width, T height) noexcept;
+    Size(const Size<T>& size) noexcept;
+
+    T getWidth() const noexcept;
+    T getHeight() const noexcept;
+
+    void setWidth(T width) noexcept;
+    void setHeight(T height) noexcept;
+
+    Size<T>& operator=(const Size<T>& size) noexcept;
+    Size<T>& operator+=(const Size<T>& size) noexcept;
+    Size<T>& operator-=(const Size<T>& size) noexcept;
+    Size<T>& operator*=(T m) noexcept;
+    Size<T>& operator/=(T d) noexcept;
+    bool operator==(const Size<T>& size) const noexcept;
+    bool operator!=(const Size<T>& size) const noexcept;
+
+private:
+    T fWidth, fHeight;
+    template<typename> friend class Rectangle;
+};
+
+// -----------------------------------------------------------------------
+
+template<typename T>
+class Rectangle
+{
+public:
+    Rectangle() noexcept;
+    Rectangle(T x, T y, T width, T height) noexcept;
+    Rectangle(T x, T y, const Size<T>& size) noexcept;
+    Rectangle(const Point<T>& pos, T width, T height) noexcept;
+    Rectangle(const Point<T>& pos, const Size<T>& size) noexcept;
+    Rectangle(const Rectangle<T>& rect) noexcept;
+
+    T getX() const noexcept;
+    T getY() const noexcept;
+    T getWidth() const noexcept;
+    T getHeight() const noexcept;
+
+    const Point<T>& getPos() const noexcept;
+    const Size<T>&  getSize() const noexcept;
+
+    bool contains(T x, T y) const noexcept;
+    bool contains(const Point<T>& pos) const noexcept;
+    bool containsX(T x) const noexcept;
+    bool containsY(T y) const noexcept;
+
+    void setX(T x) noexcept;
+    void setY(T y) noexcept;
+    void setPos(T x, T y) noexcept;
+    void setPos(const Point<T>& pos) noexcept;
+
+    void move(T x, T y) noexcept;
+    void move(const Point<T>& pos) noexcept;
+
+    void setWidth(T width) noexcept;
+    void setHeight(T height) noexcept;
+    void setSize(T width, T height) noexcept;
+    void setSize(const Size<T>& size) noexcept;
+
+    Rectangle<T>& operator=(const Rectangle<T>& rect) noexcept;
+
+private:
+    Point<T> fPos;
+    Size<T>  fSize;
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_GEOMETRY_HPP_INCLUDED

dgl/Image.hpp

@@ -0,0 +1,66 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_IMAGE_HPP_INCLUDED
+#define DGL_IMAGE_HPP_INCLUDED
+
+#include "Geometry.hpp"
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+class Image
+{
+public:
+    Image() noexcept;
+    Image(const char* rawData, int width, int height, GLenum format = GL_BGRA, GLenum type = GL_UNSIGNED_BYTE) noexcept;
+    Image(const char* rawData, const Size<int>& size, GLenum format = GL_BGRA, GLenum type = GL_UNSIGNED_BYTE) noexcept;
+    Image(const Image& image) noexcept;
+
+    void loadFromMemory(const char* rawData, int width, int height, GLenum format = GL_BGRA, GLenum type = GL_UNSIGNED_BYTE) noexcept;
+    void loadFromMemory(const char* rawData, const Size<int>& size, GLenum format = GL_BGRA, GLenum type = GL_UNSIGNED_BYTE) noexcept;
+
+    bool isValid() const noexcept;
+
+    int getWidth() const noexcept;
+    int getHeight() const noexcept;
+    const Size<int>& getSize() const noexcept;
+
+    const char* getRawData() const noexcept;
+    GLenum getFormat() const noexcept;
+    GLenum getType() const noexcept;
+
+    void draw() const;
+    void draw(int x, int y) const;
+    void draw(const Point<int>& pos) const;
+
+    Image& operator=(const Image& image) noexcept;
+    bool operator==(const Image& image) const noexcept;
+    bool operator!=(const Image& image) const noexcept;
+
+private:
+    const char* fRawData;
+    Size<int> fSize;
+    GLenum fFormat;
+    GLenum fType;
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_IMAGE_HPP_INCLUDED

dgl/ImageAboutWindow.hpp

@@ -0,0 +1,56 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_IMAGE_ABOUT_WINDOW_HPP_INCLUDED
+#define DGL_IMAGE_ABOUT_WINDOW_HPP_INCLUDED
+
+#include "Image.hpp"
+#include "Widget.hpp"
+#include "Window.hpp"
+
+#ifdef PROPER_CPP11_SUPPORT
+# include <cstdint>
+#else
+# include <stdint.h>
+#endif
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+class ImageAboutWindow : public Window,
+                         public Widget
+{
+public:
+    ImageAboutWindow(App& app, Window& parent, const Image& image = Image());
+    ImageAboutWindow(Widget* widget, const Image& image = Image());
+
+    void setImage(const Image& image);
+
+protected:
+    void onDisplay() override;
+    bool onMouse(int button, bool press, int x, int y) override;
+    bool onKeyboard(bool press, uint32_t key) override;
+
+private:
+    Image fImgBackground;
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_IMAGE_ABOUT_WINDOW_HPP_INCLUDED

dgl/ImageButton.hpp

@@ -0,0 +1,64 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_IMAGE_BUTTON_HPP_INCLUDED
+#define DGL_IMAGE_BUTTON_HPP_INCLUDED
+
+#include "Image.hpp"
+#include "Widget.hpp"
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+class ImageButton : public Widget
+{
+public:
+    class Callback
+    {
+    public:
+        virtual ~Callback() {}
+        virtual void imageButtonClicked(ImageButton* imageButton, int button) = 0;
+    };
+
+    ImageButton(Window& parent, const Image& image);
+    ImageButton(Widget* widget, const Image& image);
+    ImageButton(Window& parent, const Image& imageNormal, const Image& imageHover, const Image& imageDown);
+    ImageButton(Widget* widget, const Image& imageNormal, const Image& imageHover, const Image& imageDown);
+    ImageButton(const ImageButton& imageButton);
+
+    void setCallback(Callback* callback);
+
+protected:
+     void onDisplay() override;
+     bool onMouse(int button, bool press, int x, int y) override;
+     bool onMotion(int x, int y) override;
+
+private:
+    Image  fImageNormal;
+    Image  fImageHover;
+    Image  fImageDown;
+    Image* fCurImage;
+    int    fCurButton;
+
+    Callback* fCallback;
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_IMAGE_BUTTON_HPP_INCLUDED

dgl/ImageKnob.hpp

@@ -0,0 +1,89 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_IMAGE_KNOB_HPP_INCLUDED
+#define DGL_IMAGE_KNOB_HPP_INCLUDED
+
+#include "Image.hpp"
+#include "Widget.hpp"
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+class ImageKnob : public Widget
+{
+public:
+    enum Orientation {
+        Horizontal,
+        Vertical
+    };
+
+    class Callback
+    {
+    public:
+        virtual ~Callback() {}
+        virtual void imageKnobDragStarted(ImageKnob* imageKnob) = 0;
+        virtual void imageKnobDragFinished(ImageKnob* imageKnob) = 0;
+        virtual void imageKnobValueChanged(ImageKnob* imageKnob, float value) = 0;
+    };
+
+    ImageKnob(Window& parent, const Image& image, Orientation orientation = Vertical);
+    ImageKnob(Widget* widget, const Image& image, Orientation orientation = Vertical);
+    ImageKnob(const ImageKnob& imageKnob);
+
+    float getValue() const;
+
+    void setOrientation(Orientation orientation);
+    void setRange(float min, float max);
+    void setValue(float value, bool sendCallback = false);
+    void setRotationAngle(int angle);
+
+    void setCallback(Callback* callback);
+
+protected:
+     void onDisplay() override;
+     bool onMouse(int button, bool press, int x, int y) override;
+     bool onMotion(int x, int y) override;
+     void onReshape(int width, int height) override;
+     void onClose() override;
+
+private:
+    Image fImage;
+    float fMinimum;
+    float fMaximum;
+    float fValue;
+    Orientation fOrientation;
+
+    int  fRotationAngle;
+    bool fDragging;
+    int  fLastX;
+    int  fLastY;
+
+    Callback* fCallback;
+
+    bool fIsImgVertical;
+    int  fImgLayerSize;
+    int  fImgLayerCount;
+    Rectangle<int> fKnobArea;
+    GLuint fTextureId;
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_IMAGE_KNOB_HPP_INCLUDED

dgl/ImageSlider.hpp

@@ -0,0 +1,85 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_IMAGE_SLIDER_HPP_INCLUDED
+#define DGL_IMAGE_SLIDER_HPP_INCLUDED
+
+#include "Image.hpp"
+#include "Widget.hpp"
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+class ImageSlider : public Widget
+{
+public:
+    class Callback
+    {
+    public:
+        virtual ~Callback() {}
+        virtual void imageSliderDragStarted(ImageSlider* imageSlider) = 0;
+        virtual void imageSliderDragFinished(ImageSlider* imageSlider) = 0;
+        virtual void imageSliderValueChanged(ImageSlider* imageSlider, float value) = 0;
+    };
+
+    ImageSlider(Window& parent, const Image& image);
+    ImageSlider(Widget* widget, const Image& image);
+    ImageSlider(const ImageSlider& imageSlider);
+
+    float getValue() const;
+
+    void setStartPos(const Point<int>& startPos);
+    void setStartPos(int x, int y);
+    void setEndPos(const Point<int>& endPos);
+    void setEndPos(int x, int y);
+
+    void setRange(float min, float max);
+    void setValue(float value, bool sendCallback = false);
+    void setIsSwitch(bool yesNo);
+
+    void setCallback(Callback* callback);
+
+protected:
+     void onDisplay() override;
+     bool onMouse(int button, bool press, int x, int y) override;
+     bool onMotion(int x, int y) override;
+
+private:
+    Image fImage;
+    float fMinimum;
+    float fMaximum;
+    float fValue;
+
+    bool fIsSwitch;
+    bool fDragging;
+    int  fStartedX;
+    int  fStartedY;
+
+    Callback* fCallback;
+
+    Point<int> fStartPos;
+    Point<int> fEndPos;
+    Rectangle<int> fSliderArea;
+
+    void _recheckArea();
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_IMAGE_SLIDER_HPP_INCLUDED

dgl/Makefile

@@ -0,0 +1,67 @@
+#!/usr/bin/make -f
+# Makefile for dgl #
+# ---------------- #
+# Created by falkTX
+#
+
+include Makefile.mk
+
+# --------------------------------------------------------------
+
+BUILD_C_FLAGS   += $(DGL_FLAGS) -I.
+BUILD_CXX_FLAGS += $(DGL_FLAGS) -I.
+LINK_FLAGS      += $(DGL_LIBS)
+
+# --------------------------------------------------------------
+
+OBJS = \
+	src/App.cpp.o \
+	src/Base.cpp.o \
+	src/Image.cpp.o \
+	src/ImageAboutWindow.cpp.o \
+	src/ImageButton.cpp.o \
+	src/ImageKnob.cpp.o \
+	src/ImageSlider.cpp.o \
+	src/Geometry.cpp.o \
+	src/Widget.cpp.o \
+	src/Window.cpp.o
+
+ifeq ($(MACOS),true)
+OBJS += src/pugl/pugl_osx_extended.m.o
+endif
+
+TARGET = ../libdgl.a
+
+# --------------------------------------------------------------
+
+all: $(TARGET)
+
+# --------------------------------------------------------------
+
+../libdgl.a: $(OBJS)
+	$(RM) $@
+	$(AR) crs $@ $^
+
+../libdgl.dll: $(OBJS)
+	$(CXX) $^ -shared $(LINK_FLAGS) -o $@
+
+../libdgl.dylib: $(OBJS)
+	$(CXX) $^ -dynamiclib $(LINK_FLAGS) -o $@
+
+../libdgl.so: $(OBJS)
+	$(CXX) $^ -shared $(LINK_FLAGS) -o $@
+
+# --------------------------------------------------------------
+
+%.cpp.o: %.cpp
+	$(CXX) $< $(BUILD_CXX_FLAGS) -c -o $@
+
+# --------------------------------------------------------------
+
+clean:
+	$(RM) src/*.o src/pugl/*.o ../libdgl.*
+
+debug:
+	$(MAKE) DEBUG=true
+
+# --------------------------------------------------------------

dgl/Makefile.mk

@@ -0,0 +1,79 @@
+#!/usr/bin/make -f
+# Makefile for dgl #
+# ---------------- #
+# Created by falkTX
+#
+
+AR  ?= ar
+RM  ?= rm -f
+
+CC  ?= gcc
+CXX ?= g++
+
+# --------------------------------------------------------------
+# Fallback to Linux if no other OS defined
+
+ifneq ($(MACOS),true)
+ifneq ($(WIN32),true)
+LINUX=true
+endif
+endif
+
+# --------------------------------------------------------------
+# Common build and link flags
+
+BASE_FLAGS = -Wall -Wextra -fPIC -DPIC -pipe -DREAL_BUILD
+BASE_OPTS  = -O3 -ffast-math -mtune=generic -msse -msse2 -mfpmath=sse
+
+ifeq ($(RASPPI),true)
+# Raspberry-Pi optimization flags
+BASE_OPTS  = -O3 -ffast-math -march=armv6 -mfpu=vfp -mfloat-abi=hard
+endif
+
+ifeq ($(DEBUG),true)
+BASE_FLAGS += -DDEBUG -O0 -g
+else
+BASE_FLAGS += -DNDEBUG $(BASE_OPTS) -fvisibility=hidden
+CXXFLAGS   += -fvisibility-inlines-hidden
+LINK_OPTS  += -Wl,--strip-all
+endif
+
+BUILD_C_FLAGS   = $(BASE_FLAGS) -std=gnu99 $(CFLAGS)
+BUILD_CXX_FLAGS = $(BASE_FLAGS) -std=gnu++0x $(CXXFLAGS)
+LINK_FLAGS      = $(LINK_OPTS) -Wl,--no-undefined $(LDFLAGS)
+
+ifeq ($(MACOS),true)
+# Get rid of most options for old gcc4.2
+BUILD_CXX_FLAGS = $(BASE_FLAGS) $(CXXFLAGS)
+LINK_FLAGS      = $(LDFLAGS)
+endif
+
+# --------------------------------------------------------------
+# Check for required libs
+
+ifeq ($(LINUX),true)
+ifneq ($(shell pkg-config --exists gl && echo true),true)
+$(error OpenGL missing, cannot continue)
+endif
+ifneq ($(shell pkg-config --exists x11 && echo true),true)
+$(error X11 missing, cannot continue)
+endif
+endif
+
+# --------------------------------------------------------------
+# Set libs stuff
+
+ifeq ($(LINUX),true)
+DGL_FLAGS = $(shell pkg-config --cflags gl x11)
+DGL_LIBS  = $(shell pkg-config --libs gl x11)
+endif
+
+ifeq ($(MACOS),true)
+DGL_LIBS  = -framework OpenGL -framework Cocoa
+endif
+
+ifeq ($(WIN32),true)
+DGL_LIBS  = -lopengl32 -lgdi32
+endif
+
+# --------------------------------------------------------------

dgl/StandaloneWindow.hpp

@@ -0,0 +1,79 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_STANDALONE_WINDOW_HPP_INCLUDED
+#define DGL_STANDALONE_WINDOW_HPP_INCLUDED
+
+#include "App.hpp"
+#include "Window.hpp"
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+class StandaloneWindow
+{
+public:
+    StandaloneWindow()
+        : fApp(),
+          fWindow(fApp)
+    {
+    }
+
+    App& getApp() noexcept
+    {
+        return fApp;
+    }
+
+    Window& getWindow() noexcept
+    {
+        return fWindow;
+    }
+
+    void exec()
+    {
+        fWindow.show();
+        fApp.exec();
+    }
+
+    // -------------------------------------------------------------------
+    // helpers
+
+    void setResizable(bool yesNo)
+    {
+        fWindow.setResizable(yesNo);
+    }
+
+    void setSize(unsigned int width, unsigned int height)
+    {
+        fWindow.setSize(width, height);
+    }
+
+    void setTitle(const char* title)
+    {
+        fWindow.setTitle(title);
+    }
+
+private:
+    App fApp;
+    Window fWindow;
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_STANDALONE_WINDOW_HPP_INCLUDED

dgl/Widget.hpp

@@ -0,0 +1,100 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_WIDGET_HPP_INCLUDED
+#define DGL_WIDGET_HPP_INCLUDED
+
+#include "Geometry.hpp"
+
+#ifdef PROPER_CPP11_SUPPORT
+# include <cstdint>
+#else
+# include <stdint.h>
+#endif
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+class App;
+class Window;
+
+class Widget
+{
+public:
+    Widget(Window& parent);
+    virtual ~Widget();
+
+    bool isVisible() const noexcept;
+    void setVisible(bool yesNo);
+
+    void show();
+    void hide();
+
+    int getX() const noexcept;
+    int getY() const noexcept;
+    const Point<int>& getPos() const noexcept;
+
+    void setX(int x);
+    void setY(int y);
+    void setPos(int x, int y);
+    void setPos(const Point<int>& pos);
+
+    void move(int x, int y);
+    void move(const Point<int>& pos);
+
+    int getWidth() const noexcept;
+    int getHeight() const noexcept;
+    const Size<int>& getSize() const noexcept;
+
+    void setWidth(int width);
+    void setHeight(int height);
+    void setSize(int width, int height);
+    void setSize(const Size<int>& size);
+
+    const Rectangle<int>& getArea() const noexcept;
+
+    uint32_t getEventTimestamp();
+    int getModifiers();
+
+    App& getParentApp() const noexcept;
+    Window& getParentWindow() const noexcept;
+
+    void repaint();
+
+protected:
+    virtual void onDisplay() = 0;
+    virtual bool onKeyboard(bool press, uint32_t key);
+    virtual bool onMouse(int button, bool press, int x, int y);
+    virtual bool onMotion(int x, int y);
+    virtual bool onScroll(float dx, float dy);
+    virtual bool onSpecial(bool press, Key key);
+    virtual void onReshape(int width, int height);
+    virtual void onClose();
+
+private:
+    Window& fParent;
+    bool    fVisible;
+    Rectangle<int> fArea;
+
+    friend class Window;
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_WIDGET_HPP_INCLUDED

dgl/Window.hpp

@@ -0,0 +1,85 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_WINDOW_HPP_INCLUDED
+#define DGL_WINDOW_HPP_INCLUDED
+
+#include "Geometry.hpp"
+
+#ifdef PROPER_CPP11_SUPPORT
+# include <cstdint>
+#else
+# include <stdint.h>
+#endif
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+class App;
+class Widget;
+
+class Window
+{
+public:
+    Window(App& app);
+    Window(App& app, Window& parent);
+    Window(App& app, intptr_t parentId);
+    virtual ~Window();
+
+    void show();
+    void hide();
+    void close();
+    void exec(bool lockWait = false);
+
+    void focus();
+    void idle();
+    void repaint();
+
+    bool isVisible() const noexcept;
+    void setVisible(bool yesNo);
+
+    bool isResizable() const noexcept;
+    void setResizable(bool yesNo);
+
+#ifndef DGL_OS_MAC
+    int getWidth() const noexcept;
+    int getHeight() const noexcept;
+    Size<int> getSize() const noexcept;
+#endif
+    void setSize(unsigned int width, unsigned int height);
+
+    void setTitle(const char* title);
+
+    App&     getApp() const noexcept;
+    uint32_t getEventTimestamp() const;
+    int      getModifiers() const;
+    intptr_t getWindowId() const;
+
+private:
+    class PrivateData;
+    PrivateData* const pData;
+    friend class Widget;
+
+    void addWidget(Widget* const widget);
+    void removeWidget(Widget* const widget);
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_WINDOW_HPP_INCLUDED

dgl/src/App.cpp

@@ -0,0 +1,111 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "../App.hpp"
+#include "../Window.hpp"
+
+#include <list>
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+struct App::PrivateData {
+    bool     doLoop;
+    unsigned visibleWindows;
+    std::list<Window*> windows;
+
+    PrivateData()
+        : doLoop(false),
+          visibleWindows(0) {}
+};
+
+// -----------------------------------------------------------------------
+
+App::App()
+    : pData(new PrivateData())
+{
+}
+
+App::~App()
+{
+    pData->windows.clear();
+    delete pData;
+}
+
+void App::idle()
+{
+    for (std::list<Window*>::iterator it = pData->windows.begin(); it != pData->windows.end(); ++it)
+    {
+        Window* const window(*it);
+        window->idle();
+    }
+}
+
+void App::exec()
+{
+    while (pData->doLoop)
+    {
+        idle();
+        msleep(10);
+    }
+}
+
+void App::quit()
+{
+    pData->doLoop = false;
+
+    for (std::list<Window*>::reverse_iterator rit = pData->windows.rbegin(); rit != pData->windows.rend(); ++rit)
+    {
+        Window* const window(*rit);
+        window->close();
+    }
+}
+
+bool App::isQuiting() const
+{
+    return !pData->doLoop;
+}
+
+// -----------------------------------------------------------------------
+
+void App::addWindow(Window* const window)
+{
+    if (window != nullptr)
+        pData->windows.push_back(window);
+}
+
+void App::removeWindow(Window* const window)
+{
+    if (window != nullptr)
+        pData->windows.remove(window);
+}
+
+void App::oneShown()
+{
+    if (++pData->visibleWindows == 1)
+        pData->doLoop = true;
+}
+
+void App::oneHidden()
+{
+    if (--pData->visibleWindows == 0)
+        pData->doLoop = false;
+}
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL

dgl/src/Base.cpp

@@ -0,0 +1,49 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "../Base.hpp"
+
+#if DGL_OS_WINDOWS
+# include <windows.h>
+#else
+# include <unistd.h>
+#endif
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+void sleep(unsigned int secs)
+{
+#ifdef DGL_OS_WINDOWS
+    ::Sleep(secs * 1000);
+#else
+    ::sleep(secs);
+#endif
+}
+
+void msleep(unsigned int msecs)
+{
+#ifdef DGL_OS_WINDOWS
+    ::Sleep(msecs);
+#else
+    ::usleep(msecs * 1000);
+#endif
+}
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL

dgl/src/Geometry.cpp

@@ -0,0 +1,416 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "../Geometry.hpp"
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+// Point
+
+template<typename T>
+Point<T>::Point() noexcept
+    : fX(0),
+      fY(0)
+{
+}
+
+template<typename T>
+Point<T>::Point(T x, T y) noexcept
+    : fX(x),
+      fY(y)
+{
+}
+
+template<typename T>
+Point<T>::Point(const Point& pos) noexcept
+    : fX(pos.fX),
+      fY(pos.fY)
+{
+}
+
+template<typename T>
+T Point<T>::getX() const noexcept
+{
+    return fX;
+}
+
+template<typename T>
+T Point<T>::getY() const noexcept
+{
+    return fY;
+}
+
+template<typename T>
+void Point<T>::setX(T x) noexcept
+{
+    fX = x;
+}
+
+template<typename T>
+void Point<T>::setY(T y) noexcept
+{
+    fY = y;
+}
+
+template<typename T>
+void Point<T>::move(T x, T y) noexcept
+{
+    fX += x;
+    fY += y;
+}
+
+template<typename T>
+void Point<T>::move(const Point& pos) noexcept
+{
+    fX += pos.fX;
+    fY += pos.fY;
+}
+
+template<typename T>
+Point<T>& Point<T>::operator=(const Point<T>& pos) noexcept
+{
+    fX = pos.fX;
+    fY = pos.fY;
+    return *this;
+}
+
+template<typename T>
+Point<T>& Point<T>::operator+=(const Point<T>& pos) noexcept
+{
+    fX += pos.fX;
+    fY += pos.fY;
+    return *this;
+}
+
+template<typename T>
+Point<T>& Point<T>::operator-=(const Point<T>& pos) noexcept
+{
+    fX -= pos.fX;
+    fY -= pos.fY;
+    return *this;
+}
+
+template<typename T>
+bool Point<T>::operator==(const Point<T>& pos) const noexcept
+{
+    return (fX == pos.fX && fY== pos.fY);
+}
+
+template<typename T>
+bool Point<T>::operator!=(const Point<T>& pos) const noexcept
+{
+    return !operator==(pos);
+}
+
+// -----------------------------------------------------------------------
+// Size
+
+template<typename T>
+Size<T>::Size() noexcept
+    : fWidth(0),
+      fHeight(0)
+{
+}
+
+template<typename T>
+Size<T>::Size(T width, T height) noexcept
+    : fWidth(width),
+      fHeight(height)
+{
+}
+
+template<typename T>
+Size<T>::Size(const Size<T>& size) noexcept
+    : fWidth(size.fWidth),
+      fHeight(size.fHeight)
+{
+}
+
+template<typename T>
+T Size<T>::getWidth() const noexcept
+{
+    return fWidth;
+}
+
+template<typename T>
+T Size<T>::getHeight() const noexcept
+{
+    return fHeight;
+}
+
+template<typename T>
+void Size<T>::setWidth(T width) noexcept
+{
+    fWidth = width;
+}
+
+template<typename T>
+void Size<T>::setHeight(T height) noexcept
+{
+    fHeight = height;
+}
+
+template<typename T>
+Size<T>& Size<T>::operator=(const Size<T>& size) noexcept
+{
+    fWidth  = size.fWidth;
+    fHeight = size.fHeight;
+    return *this;
+}
+
+template<typename T>
+Size<T>& Size<T>::operator+=(const Size<T>& size) noexcept
+{
+    fWidth  += size.fWidth;
+    fHeight += size.fHeight;
+    return *this;
+}
+
+template<typename T>
+Size<T>& Size<T>::operator-=(const Size<T>& size) noexcept
+{
+    fWidth  -= size.fWidth;
+    fHeight -= size.fHeight;
+    return *this;
+}
+
+template<typename T>
+Size<T>& Size<T>::operator*=(T m) noexcept
+{
+    fWidth  *= m;
+    fHeight *= m;
+    return *this;
+}
+
+template<typename T>
+Size<T>& Size<T>::operator/=(T d) noexcept
+{
+    fWidth  /= d;
+    fHeight /= d;
+    return *this;
+}
+
+template<typename T>
+bool Size<T>::operator==(const Size<T>& size) const noexcept
+{
+    return (fWidth == size.fWidth && fHeight == size.fHeight);
+}
+
+template<typename T>
+bool Size<T>::operator!=(const Size<T>& size) const noexcept
+{
+    return !operator==(size);
+}
+
+// -----------------------------------------------------------------------
+// Rectangle
+
+template<typename T>
+Rectangle<T>::Rectangle() noexcept
+    : fPos(0, 0),
+      fSize(0, 0)
+{
+}
+
+template<typename T>
+Rectangle<T>::Rectangle(T x, T y, T width, T height) noexcept
+    : fPos(x, y),
+      fSize(width, height)
+{
+}
+
+template<typename T>
+Rectangle<T>::Rectangle(T x, T y, const Size<T>& size) noexcept
+    : fPos(x, y),
+      fSize(size)
+{
+}
+
+template<typename T>
+Rectangle<T>::Rectangle(const Point<T>& pos, T width, T height) noexcept
+    : fPos(pos),
+      fSize(width, height)
+{
+}
+
+template<typename T>
+Rectangle<T>::Rectangle(const Point<T>& pos, const Size<T>& size) noexcept
+    : fPos(pos),
+      fSize(size)
+{
+}
+
+template<typename T>
+Rectangle<T>::Rectangle(const Rectangle<T>& rect) noexcept
+    : fPos(rect.fPos),
+      fSize(rect.fSize)
+{
+}
+
+template<typename T>
+T Rectangle<T>::getX() const noexcept
+{
+    return fPos.fX;
+}
+
+template<typename T>
+T Rectangle<T>::getY() const noexcept
+{
+    return fPos.fY;
+}
+
+template<typename T>
+T Rectangle<T>::getWidth() const noexcept
+{
+    return fSize.fWidth;
+}
+
+template<typename T>
+T Rectangle<T>::getHeight() const noexcept
+{
+    return fSize.fHeight;
+}
+
+template<typename T>
+const Point<T>& Rectangle<T>::getPos() const noexcept
+{
+    return fPos;
+}
+
+template<typename T>
+const Size<T>& Rectangle<T>::getSize() const noexcept
+{
+    return fSize;
+}
+
+template<typename T>
+bool Rectangle<T>::contains(T x, T y) const noexcept
+{
+    return (x >= fPos.fX && y >= fPos.fY && x <= fPos.fX+fSize.fWidth && y <= fPos.fY+fSize.fHeight);
+}
+
+template<typename T>
+bool Rectangle<T>::contains(const Point<T>& pos) const noexcept
+{
+    return contains(pos.fX, pos.fY);
+}
+
+template<typename T>
+bool Rectangle<T>::containsX(T x) const noexcept
+{
+    return (x >= fPos.fX && x <= fPos.fX + fSize.fWidth);
+}
+
+template<typename T>
+bool Rectangle<T>::containsY(T y) const noexcept
+{
+    return (y >= fPos.fY && y <= fPos.fY + fSize.fHeight);
+}
+
+template<typename T>
+void Rectangle<T>::setX(T x) noexcept
+{
+    fPos.fX = x;
+}
+
+template<typename T>
+void Rectangle<T>::setY(T y) noexcept
+{
+    fPos.fY = y;
+}
+
+template<typename T>
+void Rectangle<T>::setPos(T x, T y) noexcept
+{
+    fPos.fX = x;
+    fPos.fY = y;
+}
+
+template<typename T>
+void Rectangle<T>::setPos(const Point<T>& pos) noexcept
+{
+    fPos = pos;
+}
+
+template<typename T>
+void Rectangle<T>::move(T x, T y) noexcept
+{
+    fPos.fX += x;
+    fPos.fY += y;
+}
+
+template<typename T>
+void Rectangle<T>::move(const Point<T>& pos) noexcept
+{
+    fPos += pos;
+}
+
+template<typename T>
+void Rectangle<T>::setWidth(T width) noexcept
+{
+    fSize.fWidth = width;
+}
+
+template<typename T>
+void Rectangle<T>::setHeight(T height) noexcept
+{
+    fSize.fHeight = height;
+}
+
+template<typename T>
+void Rectangle<T>::setSize(T width, T height) noexcept
+{
+    fSize.fWidth  = width;
+    fSize.fHeight = height;
+}
+
+template<typename T>
+void Rectangle<T>::setSize(const Size<T>& size) noexcept
+{
+    fSize = size;
+}
+
+template<typename T>
+Rectangle<T>& Rectangle<T>::operator=(const Rectangle<T>& rect) noexcept
+{
+    fPos  = rect.fPos;
+    fSize = rect.fSize;
+    return *this;
+}
+
+// -----------------------------------------------------------------------
+// Possible template data types
+
+template class Point<int>;
+template class Point<long>;
+template class Point<float>;
+template class Point<double>;
+
+template class Size<int>;
+template class Size<long>;
+template class Size<float>;
+template class Size<double>;
+
+template class Rectangle<int>;
+template class Rectangle<long>;
+template class Rectangle<float>;
+template class Rectangle<double>;
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+

dgl/src/Image.cpp

@@ -0,0 +1,145 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "../Image.hpp"
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+Image::Image() noexcept
+    : fRawData(nullptr),
+      fSize(0, 0),
+      fFormat(0),
+      fType(0)
+{
+}
+
+Image::Image(const char* rawData, int width, int height, GLenum format, GLenum type) noexcept
+    : fRawData(rawData),
+      fSize(width, height),
+      fFormat(format),
+      fType(type)
+{
+}
+
+Image::Image(const char* rawData, const Size<int>& size, GLenum format, GLenum type) noexcept
+    : fRawData(rawData),
+      fSize(size),
+      fFormat(format),
+      fType(type)
+{
+}
+
+Image::Image(const Image& image) noexcept
+    : fRawData(image.fRawData),
+      fSize(image.fSize),
+      fFormat(image.fFormat),
+      fType(image.fType)
+{
+}
+
+void Image::loadFromMemory(const char* rawData, int width, int height, GLenum format, GLenum type) noexcept
+{
+    loadFromMemory(rawData, Size<int>(width, height), format, type);
+}
+
+void Image::loadFromMemory(const char* rawData, const Size<int>& size, GLenum format, GLenum type) noexcept
+{
+    fRawData = rawData;
+    fSize    = size;
+    fFormat  = format;
+    fType    = type;
+}
+
+bool Image::isValid() const noexcept
+{
+    return (fRawData != nullptr && getWidth() > 0 && getHeight() > 0);
+}
+
+int Image::getWidth() const noexcept
+{
+    return fSize.getWidth();
+}
+
+int Image::getHeight() const noexcept
+{
+    return fSize.getHeight();
+}
+
+const Size<int>& Image::getSize() const noexcept
+{
+    return fSize;
+}
+
+const char* Image::getRawData() const noexcept
+{
+    return fRawData;
+}
+
+GLenum Image::getFormat() const noexcept
+{
+    return fFormat;
+}
+
+GLenum Image::getType() const noexcept
+{
+    return fType;
+}
+
+void Image::draw() const
+{
+    draw(0, 0);
+}
+
+void Image::draw(int x, int y) const
+{
+    if (! isValid())
+        return;
+
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glPixelStorei(GL_PACK_ALIGNMENT, 1);
+    glRasterPos2i(x, fSize.getHeight()+y);
+    glDrawPixels(fSize.getWidth(), fSize.getHeight(), fFormat, fType, fRawData);
+}
+
+void Image::draw(const Point<int>& pos) const
+{
+    draw(pos.getX(), pos.getY());
+}
+
+Image& Image::operator=(const Image& image) noexcept
+{
+    fRawData = image.fRawData;
+    fSize    = image.fSize;
+    fFormat  = image.fFormat;
+    fType    = image.fType;
+    return *this;
+}
+
+bool Image::operator==(const Image& image) const noexcept
+{
+    return (fRawData == image.fRawData);
+}
+
+bool Image::operator!=(const Image& image) const noexcept
+{
+    return (fRawData != image.fRawData);
+}
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL

dgl/src/ImageAboutWindow.cpp

@@ -0,0 +1,83 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "../ImageAboutWindow.hpp"
+
+// FIXME: 32bit hack
+#if ! (defined (__LP64__) || defined (_LP64) || defined(WIN64) || defined(_WIN64) || defined(__WIN64__))
+# define PAD_SIZE +1
+#else
+# define PAD_SIZE
+#endif
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+ImageAboutWindow::ImageAboutWindow(App& app, Window& parent, const Image& image)
+    : Window(app, parent),
+      Widget((Window&)*this),
+      fImgBackground(image)
+{
+    Window::setSize(image.getWidth(), image.getHeight() PAD_SIZE);
+    Window::setTitle("About");
+}
+
+ImageAboutWindow::ImageAboutWindow(Widget* widget, const Image& image)
+    : Window(widget->getParentApp(), widget->getParentWindow()),
+      Widget((Window&)*this),
+      fImgBackground(image)
+{
+    Window::setSize(image.getWidth(), image.getHeight() PAD_SIZE);
+    Window::setTitle("About");
+}
+
+void ImageAboutWindow::setImage(const Image& image)
+{
+    fImgBackground = image;
+    Window::setSize(image.getWidth(), image.getHeight() PAD_SIZE);
+}
+
+void ImageAboutWindow::onDisplay()
+{
+    fImgBackground.draw();
+}
+
+bool ImageAboutWindow::onMouse(int, bool press, int, int)
+{
+    if (press)
+    {
+        Window::close();
+        return true;
+    }
+
+    return false;
+}
+
+bool ImageAboutWindow::onKeyboard(bool press, uint32_t key)
+{
+    if (press && key == CHAR_ESCAPE)
+    {
+        Window::close();
+        return true;
+    }
+
+    return false;
+}
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL

dgl/src/ImageButton.cpp

@@ -0,0 +1,173 @@
+/*
+ * DISTRHO Plugin Toolkit (DPT)
+ * Copyright (C) 2012-2013 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "../ImageButton.hpp"
+
+#include <cassert>
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+ImageButton::ImageButton(Window& parent, const Image& image)
+    : Widget(parent),
+      fImageNormal(image),
+      fImageHover(image),
+      fImageDown(image),
+      fCurImage(&fImageNormal),
+      fCurButton(-1),</