/* //////////////////////////////////////////////////////////////////////////////////////
* 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;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* 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;
}