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// license:BSD-3-Clause
// copyright-holders:David Haywood, Luca Elia
class jaleco_blend_device : public device_t
{
public:
jaleco_blend_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~jaleco_blend_device() {}
void set(int color, UINT8 val);
rgb_t func(rgb_t dest, rgb_t addMe, UINT8 alpha);
void drawgfx(palette_device &palette,bitmap_ind16 &dest_bmp,const rectangle &clip,gfx_element *gfx,
UINT32 code,UINT32 color,int flipx,int flipy,int offsx,int offsy,
int transparent_color);
void drawgfx(palette_device &palette,bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx,
UINT32 code,UINT32 color,int flipx,int flipy,int offsx,int offsy,
int transparent_color);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
/* each palette entry contains a fourth 'alpha' value */
std::unique_ptr<UINT8[]> m_table;
template<class _BitmapClass>
void drawgfx_common(palette_device &palette,_BitmapClass &dest_bmp,const rectangle &clip,gfx_element *gfx,
UINT32 code,UINT32 color,int flipx,int flipy,int offsx,int offsy,
int transparent_color);
};
extern const device_type JALECO_BLEND;
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