Ejemplo n.º 1
0
int main(int argc, char** argv)
{
    GLFWwindow* window;
    struct nk_context* nk;
    struct nk_font_atlas* atlas;

    glfwSetErrorCallback(error_callback);

    if (!glfwInit())
        exit(EXIT_FAILURE);

    glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE);

    window = glfwCreateWindow(400, 400, "Opacity", NULL, NULL);
    if (!window)
    {
        glfwTerminate();
        exit(EXIT_FAILURE);
    }

    glfwMakeContextCurrent(window);
    gladLoadGL(glfwGetProcAddress);
    glfwSwapInterval(1);

    nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
    nk_glfw3_font_stash_begin(&atlas);
    nk_glfw3_font_stash_end();

    while (!glfwWindowShouldClose(window))
    {
        int width, height;
        struct nk_rect area;

        glfwGetWindowSize(window, &width, &height);
        area = nk_rect(0.f, 0.f, (float) width, (float) height);

        glClear(GL_COLOR_BUFFER_BIT);
        nk_glfw3_new_frame();
        if (nk_begin(nk, "", area, 0))
        {
            float opacity = glfwGetWindowOpacity(window);
            nk_layout_row_dynamic(nk, 30, 2);
            if (nk_slider_float(nk, 0.f, &opacity, 1.f, 0.001f))
                glfwSetWindowOpacity(window, opacity);
            nk_labelf(nk, NK_TEXT_LEFT, "%0.3f", opacity);
        }

        nk_end(nk);
        nk_glfw3_render(NK_ANTI_ALIASING_ON);

        glfwSwapBuffers(window);
        glfwWaitEventsTimeout(1.0);
    }

    nk_glfw3_shutdown();
    glfwTerminate();
    exit(EXIT_SUCCESS);
}
Ejemplo n.º 2
0
struct nk_context* initializeUI(GLFWwindow* window)
{
    ctx = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
    struct nk_font_atlas *atlas;
    nk_glfw3_font_stash_begin(&atlas);
    struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "DroidSans.ttf", 14, 0);
    nk_glfw3_font_stash_end();
    nk_style_set_font(ctx, &droid->handle);
    return ctx;
}
Ejemplo n.º 3
0
int main(void)
{
    /* Platform */
    static GLFWwindow *win;
    int width = 0, height = 0;
    struct nk_context *ctx;
    struct nk_color background;

    /* GLFW */
    glfwSetErrorCallback(error_callback);
    if (!glfwInit()) {
        fprintf(stdout, "[GFLW] failed to init!\n");
        exit(1);
    }
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#ifdef __APPLE__
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#endif
    win = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Demo", NULL, NULL);
    glfwMakeContextCurrent(win);
    glfwGetWindowSize(win, &width, &height);

    /* OpenGL */
    glViewport(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
    glewExperimental = 1;
    if (glewInit() != GLEW_OK) {
        fprintf(stderr, "Failed to setup GLEW\n");
        exit(1);
    }

    ctx = nk_glfw3_init(win, NK_GLFW3_INSTALL_CALLBACKS);
    /* Load Fonts: if none of these are loaded a default font will be used  */
    {struct nk_font_atlas *atlas;
    nk_glfw3_font_stash_begin(&atlas);
    /*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, 0);*/
    /*struct nk_font *roboto = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 14, 0);*/
    /*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13, 0);*/
    /*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12, 0);*/
    /*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10, 0);*/
    /*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13, 0);*/
    nk_glfw3_font_stash_end();
    /*nk_style_set_font(ctx, &droid->handle);*/}

    background = nk_rgb(28,48,62);
    while (!glfwWindowShouldClose(win))
    {
        /* Input */
        glfwPollEvents();
        nk_glfw3_new_frame();

        /* GUI */
        {struct nk_panel layout;
        if (nk_begin(ctx, &layout, "Demo", nk_rect(50, 50, 230, 250),
            NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
            NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
        {
            enum {EASY, HARD};
            static int op = EASY;
            static int property = 20;
            nk_layout_row_static(ctx, 30, 80, 1);
            if (nk_button_label(ctx, "button", NK_BUTTON_DEFAULT))
                fprintf(stdout, "button pressed\n");
            nk_layout_row_dynamic(ctx, 30, 2);
            if (nk_option_label(ctx, "easy", op == EASY)) op = EASY;
            if (nk_option_label(ctx, "hard", op == HARD)) op = HARD;

            nk_layout_row_dynamic(ctx, 25, 1);
            nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);

            {struct nk_panel combo;
            nk_layout_row_dynamic(ctx, 20, 1);
            nk_label(ctx, "background:", NK_TEXT_LEFT);
            nk_layout_row_dynamic(ctx, 25, 1);
            if (nk_combo_begin_color(ctx, &combo, background, 400)) {
                nk_layout_row_dynamic(ctx, 120, 1);
                background = nk_color_picker(ctx, background, NK_RGBA);
                nk_layout_row_dynamic(ctx, 25, 1);
                background.r = (nk_byte)nk_propertyi(ctx, "#R:", 0, background.r, 255, 1,1);
                background.g = (nk_byte)nk_propertyi(ctx, "#G:", 0, background.g, 255, 1,1);
                background.b = (nk_byte)nk_propertyi(ctx, "#B:", 0, background.b, 255, 1,1);
                background.a = (nk_byte)nk_propertyi(ctx, "#A:", 0, background.a, 255, 1,1);
                nk_combo_end(ctx);
            }}
        }
        nk_end(ctx);}

        /* Draw */
        {float bg[4];
        nk_color_fv(bg, background);
        glfwGetWindowSize(win, &width, &height);
        glViewport(0, 0, width, height);
        glClear(GL_COLOR_BUFFER_BIT);
        glClearColor(bg[0], bg[1], bg[2], bg[3]);
        nk_glfw3_render(NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
        glfwSwapBuffers(win);}
    }
    nk_glfw3_shutdown();
    glfwTerminate();
    return 0;
}
Ejemplo n.º 4
0
int main(void)
{
    int jid, hat_buttons = GLFW_FALSE;
    struct nk_context* nk;
    struct nk_font_atlas* atlas;

    memset(joysticks, 0, sizeof(joysticks));

    glfwSetErrorCallback(error_callback);

    if (!glfwInit())
        exit(EXIT_FAILURE);

    window = glfwCreateWindow(800, 600, "Joystick Test", NULL, NULL);
    if (!window)
    {
        glfwTerminate();
        exit(EXIT_FAILURE);
    }

    glfwMakeContextCurrent(window);
    gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
    glfwSwapInterval(1);

    nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
    nk_glfw3_font_stash_begin(&atlas);
    nk_glfw3_font_stash_end();

    for (jid = GLFW_JOYSTICK_1;  jid <= GLFW_JOYSTICK_LAST;  jid++)
    {
        if (glfwJoystickPresent(jid))
            joysticks[joystick_count++] = jid;
    }

    glfwSetJoystickCallback(joystick_callback);

    while (!glfwWindowShouldClose(window))
    {
        int i, width, height;

        glfwGetWindowSize(window, &width, &height);

        glClear(GL_COLOR_BUFFER_BIT);
        nk_glfw3_new_frame();

        if (nk_begin(nk,
                     "Joysticks",
                     nk_rect(width - 200.f, 0.f, 200.f, (float) height),
                     NK_WINDOW_MINIMIZABLE |
                     NK_WINDOW_TITLE))
        {
            nk_layout_row_dynamic(nk, 30, 1);

            nk_checkbox_label(nk, "Hat buttons", &hat_buttons);

            if (joystick_count)
            {
                for (i = 0;  i < joystick_count;  i++)
                {
                    if (nk_button_label(nk, joystick_label(joysticks[i])))
                        nk_window_set_focus(nk, joystick_label(joysticks[i]));
                }
            }
            else
                nk_label(nk, "No joysticks connected", NK_TEXT_LEFT);
        }

        nk_end(nk);

        for (i = 0;  i < joystick_count;  i++)
        {
            if (nk_begin(nk,
                         joystick_label(joysticks[i]),
                         nk_rect(i * 20.f, i * 20.f, 550.f, 570.f),
                         NK_WINDOW_BORDER |
                         NK_WINDOW_MOVABLE |
                         NK_WINDOW_SCALABLE |
                         NK_WINDOW_MINIMIZABLE |
                         NK_WINDOW_TITLE))
            {
                int j, axis_count, button_count, hat_count;
                const float* axes;
                const unsigned char* buttons;
                const unsigned char* hats;
                GLFWgamepadstate state;

                nk_layout_row_dynamic(nk, 30, 1);
                nk_label(nk, "Joystick state", NK_TEXT_LEFT);

                axes = glfwGetJoystickAxes(joysticks[i], &axis_count);
                buttons = glfwGetJoystickButtons(joysticks[i], &button_count);
                hats = glfwGetJoystickHats(joysticks[i], &hat_count);

                if (!hat_buttons)
                    button_count -= hat_count * 4;

                for (j = 0;  j < axis_count;  j++)
                    nk_slide_float(nk, -1.f, axes[j], 1.f, 0.1f);

                nk_layout_row_dynamic(nk, 30, 12);

                for (j = 0;  j < button_count;  j++)
                {
                    char name[16];
                    snprintf(name, sizeof(name), "%i", j + 1);
                    nk_select_label(nk, name, NK_TEXT_CENTERED, buttons[j]);
                }

                nk_layout_row_dynamic(nk, 30, 8);

                for (j = 0;  j < hat_count;  j++)
                    hat_widget(nk, hats[j]);

                nk_layout_row_dynamic(nk, 30, 1);

                if (glfwGetGamepadState(joysticks[i], &state))
                {
                    int hat = 0;
                    const char* names[GLFW_GAMEPAD_BUTTON_LAST + 1 - 4] =
                    {
                        "A", "B", "X", "Y",
                        "LB", "RB",
                        "Back", "Start", "Guide",
                        "LT", "RT",
                    };

                    nk_label(nk, "Gamepad state", NK_TEXT_LEFT);

                    nk_layout_row_dynamic(nk, 30, 2);

                    for (j = 0;  j <= GLFW_GAMEPAD_AXIS_LAST;  j++)
                        nk_slide_float(nk, -1.f, state.axes[j], 1.f, 0.1f);

                    nk_layout_row_dynamic(nk, 30, GLFW_GAMEPAD_BUTTON_LAST + 1 - 4);

                    for (j = 0;  j <= GLFW_GAMEPAD_BUTTON_LAST - 4;  j++)
                        nk_select_label(nk, names[j], NK_TEXT_CENTERED, state.buttons[j]);

                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_UP])
                        hat |= GLFW_HAT_UP;
                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_RIGHT])
                        hat |= GLFW_HAT_RIGHT;
                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_DOWN])
                        hat |= GLFW_HAT_DOWN;
                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_LEFT])
                        hat |= GLFW_HAT_LEFT;

                    nk_layout_row_dynamic(nk, 30, 8);
                    hat_widget(nk, hat);
                }
                else
                    nk_label(nk, "Joystick has no gamepad mapping", NK_TEXT_LEFT);
            }

            nk_end(nk);
        }

        nk_glfw3_render(NK_ANTI_ALIASING_ON, 10000, 1000);

        glfwSwapBuffers(window);
        glfwPollEvents();
    }

    glfwTerminate();
    exit(EXIT_SUCCESS);
}
Ejemplo n.º 5
0
int main(void)
{
    /* Platform */
    static GLFWwindow *win;
    int width = 0, height = 0;
    struct nk_context *ctx;
    struct nk_colorf bg;

    /* GLFW */
    glfwSetErrorCallback(error_callback);
    if (!glfwInit()) {
        fprintf(stdout, "[GFLW] failed to init!\n");
        exit(1);
    }
    win = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Demo", NULL, NULL);
    glfwMakeContextCurrent(win);
    glfwGetWindowSize(win, &width, &height);

    /* GUI */
    ctx = nk_glfw3_init(win, NK_GLFW3_INSTALL_CALLBACKS);
    /* Load Fonts: if none of these are loaded a default font will be used  */
    /* Load Cursor: if you uncomment cursor loading please hide the cursor */
    {struct nk_font_atlas *atlas;
    nk_glfw3_font_stash_begin(&atlas);
    /*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../../extra_font/DroidSans.ttf", 14, 0);*/
    /*struct nk_font *roboto = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Roboto-Regular.ttf", 14, 0);*/
    /*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../../extra_font/kenvector_future_thin.ttf", 13, 0);*/
    /*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyClean.ttf", 12, 0);*/
    /*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../../extra_font/ProggyTiny.ttf", 10, 0);*/
    /*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../../extra_font/Cousine-Regular.ttf", 13, 0);*/
    nk_glfw3_font_stash_end();
    /*nk_style_load_all_cursors(ctx, atlas->cursors);*/
    /*nk_style_set_font(ctx, &droid->handle);*/}

    #ifdef INCLUDE_STYLE
    /*set_style(ctx, THEME_WHITE);*/
    /*set_style(ctx, THEME_RED);*/
    /*set_style(ctx, THEME_BLUE);*/
    /*set_style(ctx, THEME_DARK);*/
    #endif

    bg.r = 0.10f, bg.g = 0.18f, bg.b = 0.24f, bg.a = 1.0f;
    while (!glfwWindowShouldClose(win))
    {
        /* Input */
        glfwPollEvents();
        nk_glfw3_new_frame();

        /* GUI */
        if (nk_begin(ctx, "Demo", nk_rect(50, 50, 230, 250),
            NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
            NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
        {
            enum {EASY, HARD};
            static int op = EASY;
            static int property = 20;
            nk_layout_row_static(ctx, 30, 80, 1);
            if (nk_button_label(ctx, "button"))
                fprintf(stdout, "button pressed\n");

            nk_layout_row_dynamic(ctx, 30, 2);
            if (nk_option_label(ctx, "easy", op == EASY)) op = EASY;
            if (nk_option_label(ctx, "hard", op == HARD)) op = HARD;

            nk_layout_row_dynamic(ctx, 25, 1);
            nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);

            nk_layout_row_dynamic(ctx, 20, 1);
            nk_label(ctx, "background:", NK_TEXT_LEFT);
            nk_layout_row_dynamic(ctx, 25, 1);
            if (nk_combo_begin_color(ctx, nk_rgb_cf(bg), nk_vec2(nk_widget_width(ctx),400))) {
                nk_layout_row_dynamic(ctx, 120, 1);
                bg = nk_color_picker(ctx, bg, NK_RGBA);
                nk_layout_row_dynamic(ctx, 25, 1);
                bg.r = nk_propertyf(ctx, "#R:", 0, bg.r, 1.0f, 0.01f,0.005f);
                bg.g = nk_propertyf(ctx, "#G:", 0, bg.g, 1.0f, 0.01f,0.005f);
                bg.b = nk_propertyf(ctx, "#B:", 0, bg.b, 1.0f, 0.01f,0.005f);
                bg.a = nk_propertyf(ctx, "#A:", 0, bg.a, 1.0f, 0.01f,0.005f);
                nk_combo_end(ctx);
            }
        }
        nk_end(ctx);

        /* -------------- EXAMPLES ---------------- */
        #ifdef INCLUDE_CALCULATOR
          calculator(ctx);
        #endif
        #ifdef INCLUDE_OVERVIEW
          overview(ctx);
        #endif
        #ifdef INCLUDE_NODE_EDITOR
          node_editor(ctx);
        #endif
        /* ----------------------------------------- */

        /* Draw */
        glfwGetWindowSize(win, &width, &height);
        glViewport(0, 0, width, height);
        glClear(GL_COLOR_BUFFER_BIT);
        glClearColor(bg.r, bg.g, bg.b, bg.a);
        /* IMPORTANT: `nk_glfw_render` modifies some global OpenGL state
         * with blending, scissor, face culling and depth test and defaults everything
         * back into a default state. Make sure to either save and restore or
         * reset your own state after drawing rendering the UI. */
        nk_glfw3_render(NK_ANTI_ALIASING_ON);
        glfwSwapBuffers(win);
    }
    nk_glfw3_shutdown();
    glfwTerminate();
    return 0;
}
Ejemplo n.º 6
0
int main(int argc, char** argv)
{
    GLFWmonitor* monitor = NULL;
    GLFWwindow* window;
    GLFWgammaramp orig_ramp;
    struct nk_context* nk;
    struct nk_font_atlas* atlas;
    float gamma_value = 1.f;

    glfwSetErrorCallback(error_callback);

    if (!glfwInit())
        exit(EXIT_FAILURE);

    monitor = glfwGetPrimaryMonitor();

    window = glfwCreateWindow(800, 400, "Gamma Test", NULL, NULL);
    if (!window)
    {
        glfwTerminate();
        exit(EXIT_FAILURE);
    }

    {
        const GLFWgammaramp* ramp = glfwGetGammaRamp(monitor);
        const size_t array_size = ramp->size * sizeof(short);
        orig_ramp.size = ramp->size;
        orig_ramp.red = malloc(array_size);
        orig_ramp.green = malloc(array_size);
        orig_ramp.blue = malloc(array_size);
        memcpy(orig_ramp.red, ramp->red, array_size);
        memcpy(orig_ramp.green, ramp->green, array_size);
        memcpy(orig_ramp.blue, ramp->blue, array_size);
    }

    glfwMakeContextCurrent(window);
    gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
    glfwSwapInterval(1);

    nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
    nk_glfw3_font_stash_begin(&atlas);
    nk_glfw3_font_stash_end();

    glfwSetKeyCallback(window, key_callback);

    while (!glfwWindowShouldClose(window))
    {
        int width, height;
        struct nk_rect area;

        glfwGetWindowSize(window, &width, &height);
        area = nk_rect(0.f, 0.f, (float) width, (float) height);
        nk_window_set_bounds(nk, "", area);

        glClear(GL_COLOR_BUFFER_BIT);
        nk_glfw3_new_frame();
        if (nk_begin(nk, "", area, 0))
        {
            const GLFWgammaramp* ramp;

            nk_layout_row_dynamic(nk, 30, 3);
            if (nk_slider_float(nk, 0.1f, &gamma_value, 5.f, 0.1f))
                glfwSetGamma(monitor, gamma_value);
            nk_labelf(nk, NK_TEXT_LEFT, "%0.1f", gamma_value);
            if (nk_button_label(nk, "Revert"))
                glfwSetGammaRamp(monitor, &orig_ramp);

            ramp = glfwGetGammaRamp(monitor);

            nk_layout_row_dynamic(nk, height - 60.f, 3);
            chart_ramp_array(nk, nk_rgb(255, 0, 0), ramp->size, ramp->red);
            chart_ramp_array(nk, nk_rgb(0, 255, 0), ramp->size, ramp->green);
            chart_ramp_array(nk, nk_rgb(0, 0, 255), ramp->size, ramp->blue);
        }

        nk_end(nk);
        nk_glfw3_render(NK_ANTI_ALIASING_ON);

        glfwSwapBuffers(window);
        glfwWaitEventsTimeout(1.0);
    }

    free(orig_ramp.red);
    free(orig_ramp.green);
    free(orig_ramp.blue);

    nk_glfw3_shutdown();
    glfwTerminate();
    exit(EXIT_SUCCESS);
}