C++ (Cpp) palette_handlerの例

コード例 #1

ファイル: uigfx.c プロジェクト: AreaScout/mame-libretro

UINT32 ui_gfx_ui_handler(running_machine &machine, render_container *container, UINT32 uistate)
{
	ui_gfx_state *state = &ui_gfx;

	/* if we have nothing, implicitly cancel */
	if (machine.total_colors() == 0 && machine.colortable == NULL && machine.gfx[0] == NULL && machine.tilemap().count() == 0)
		goto cancel;

	/* if we're not paused, mark the bitmap dirty */
	if (!machine.paused())
		state->bitmap_dirty = TRUE;

	/* switch off the state to display something */
again:
	switch (state->mode)
	{
		case 0:
			/* if we have a palette, display it */
			if (machine.total_colors() > 0)
			{
				palette_handler(machine, container, state);
				break;
			}

			/* fall through...*/
			state->mode++;

		case 1:
			/* if we have graphics sets, display them */
			if (machine.gfx[0] != NULL)
			{
				gfxset_handler(machine, container, state);
				break;
			}

			/* fall through...*/
			state->mode++;

		case 2:
			/* if we have tilemaps, display them */
			if (machine.tilemap().count() > 0)
			{
				tilemap_handler(machine, container, state);
				break;
			}

			state->mode = 0;
			goto again;
	}

	/* handle keys */
	if (ui_input_pressed(machine, IPT_UI_SELECT))
	{
		state->mode = (state->mode + 1) % 3;
		state->bitmap_dirty = TRUE;
	}

	if (ui_input_pressed(machine, IPT_UI_PAUSE))
	{
		if (machine.paused())
			machine.resume();
		else
			machine.pause();
	}

	if (ui_input_pressed(machine, IPT_UI_CANCEL) || ui_input_pressed(machine, IPT_UI_SHOW_GFX))
		goto cancel;

	return uistate;

cancel:
	if (!uistate)
		machine.resume();
	state->bitmap_dirty = TRUE;
	return UI_HANDLER_CANCEL;
}

コード例 #2

ファイル: viewgfx.cpp プロジェクト: qwijibo/mame

uint32_t ui_gfx_ui_handler(render_container &container, mame_ui_manager &mui, bool uistate)
{
	ui_gfx_state &state = ui_gfx;

	// if we have nothing, implicitly cancel
	if (!ui_gfx_is_relevant(mui.machine()))
		goto cancel;

	// if we're not paused, mark the bitmap dirty
	if (!mui.machine().paused())
		state.bitmap_dirty = true;

	// switch off the state to display something
again:
	switch (state.mode)
	{
		case UI_GFX_PALETTE:
			// if we have a palette, display it
			if (state.palette.devcount > 0)
			{
				palette_handler(mui, container, state);
				break;
			}

			// fall through...
			state.mode++;

		case UI_GFX_GFXSET:
			// if we have graphics sets, display them
			if (state.gfxset.devcount > 0)
			{
				gfxset_handler(mui, container, state);
				break;
			}

			// fall through...
			state.mode++;

		case UI_GFX_TILEMAP:
			// if we have tilemaps, display them
			if (mui.machine().tilemap().count() > 0)
			{
				tilemap_handler(mui, container, state);
				break;
			}

			state.mode = UI_GFX_PALETTE;
			goto again;
	}

	// handle keys
	if (mui.machine().ui_input().pressed(IPT_UI_SELECT))
	{
		state.mode = (state.mode + 1) % 3;
		state.bitmap_dirty = true;
	}

	if (mui.machine().ui_input().pressed(IPT_UI_PAUSE))
	{
		if (mui.machine().paused())
			mui.machine().resume();
		else
			mui.machine().pause();
	}

	if (mui.machine().ui_input().pressed(IPT_UI_CANCEL) || mui.machine().ui_input().pressed(IPT_UI_SHOW_GFX))
		goto cancel;

	return uistate;

cancel:
	if (!uistate)
		mui.machine().resume();
	state.bitmap_dirty = true;
	return UI_HANDLER_CANCEL;
}