Exemple #1
0
/* //////////////////////////////////////////////////////////////////////////////////////
 * implementation
 */
gb_device_ref_t gb_device_init(gb_window_ref_t window)
{
    // check
    tb_assert_and_check_return_val(window, tb_null);

    // the window mode
    tb_size_t mode = gb_window_mode(window);
    tb_assert_and_check_return_val(mode, tb_null);

    // done
    gb_device_ref_t device = tb_null;
    switch (mode)
    {
#ifdef GB_CONFIG_PACKAGE_HAVE_OPENGL
    case GB_WINDOW_MODE_GL:
        device = gb_device_init_gl(window);
        break;
#endif
    case GB_WINDOW_MODE_BITMAP:
#if defined(GB_CONFIG_PACKAGE_HAVE_SKIA)
        device = gb_device_init_skia(gb_window_bitmap(window));
#elif defined(GB_CONFIG_DEVICE_HAVE_BITMAP)
        device = gb_device_init_bitmap(gb_window_bitmap(window));
#else
        // trace
        tb_trace_e("no bitmap device!");
#endif
        break;
    default:
        // trace
        tb_trace_e("unknown window mode: %lu", mode);
        break;
    }

    // init
    tb_bool_t ok = tb_false;
    do
    {
        // check
        gb_device_impl_t* impl = (gb_device_impl_t*)device;
        tb_assert_and_check_break(impl);

        // init pixfmt
        impl->pixfmt    = (tb_uint16_t)gb_window_pixfmt(window); 

        // init width and height
        impl->width     = (tb_uint16_t)gb_window_width(window); 
        impl->height    = (tb_uint16_t)gb_window_height(window); 

        // ok
        ok = tb_true;

    } while (0);

    // failed?
    if (!ok)
    {
        // exit it
        if (device) gb_device_exit(device);
        device = tb_null;
    }

    // ok?
    return device;
}
Exemple #2
0
/* //////////////////////////////////////////////////////////////////////////////////////
 * implementation
 */
gb_device_ref_t gb_device_init_skia(gb_bitmap_ref_t bitmap)
{
    // check
    tb_assert_and_check_return_val(bitmap, tb_null);

    // done
    tb_bool_t               ok = tb_false;
    gb_skia_device_ref_t    impl = tb_null;
    do
    {
        // the width and height
        tb_size_t width     = gb_bitmap_width(bitmap);
        tb_size_t height    = gb_bitmap_height(bitmap);
        tb_assert_and_check_break(width && height && width <= GB_WIDTH_MAXN && height <= GB_HEIGHT_MAXN);

        // make device
        impl = tb_malloc0_type(gb_skia_device_t);
        tb_assert_and_check_break(impl);

        // init base 
        impl->base.type             = GB_DEVICE_TYPE_BITMAP;
        impl->base.resize           = gb_device_skia_resize;
        impl->base.draw_clear       = gb_device_skia_draw_clear;
        impl->base.draw_path        = gb_device_skia_draw_path;
        impl->base.draw_lines       = gb_device_skia_draw_lines;
        impl->base.draw_points      = gb_device_skia_draw_points;
        impl->base.draw_polygon     = gb_device_skia_draw_polygon;
        impl->base.shader_linear    = gb_device_skia_shader_linear;
        impl->base.shader_radial    = gb_device_skia_shader_radial;
        impl->base.shader_bitmap    = gb_device_skia_shader_bitmap;
        impl->base.exit             = gb_device_skia_exit;

        // make bitmap
        impl->bitmap = new SkBitmap();
        tb_assert_and_check_break(impl->bitmap);

        // init bitmap
        impl->bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height, gb_bitmap_row_bytes(bitmap));
	    impl->bitmap->setPixels(gb_bitmap_data(bitmap));

        // make canvas
        impl->canvas = new SkCanvas(*impl->bitmap);
        tb_assert_and_check_break(impl->canvas);

        // init canvas
	    impl->canvas->resetMatrix();

        // make paint
        impl->paint = new SkPaint();
        tb_assert_and_check_break(impl->paint);

        // make path
        impl->path = new SkPath();
        tb_assert_and_check_break(impl->path);

        // ok
        ok = tb_true;

    } while (0);

    // failed?
    if (!ok)
    {
        // exit it
        if (impl) gb_device_exit((gb_device_ref_t)impl);
        impl = tb_null;
    }

    // ok?
    return (gb_device_ref_t)impl;
}