ui_color.h

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/*
 * C
 *
 * Copyright 2020-2026 MicroEJ Corp. All rights reserved.
 * MicroEJ Corp. PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
 
#if !defined UI_COLOR_H
#define UI_COLOR_H
#if defined __cplusplus
extern "C" {
#endif
 
// -----------------------------------------------------------------------------
// Macros and Defines
// -----------------------------------------------------------------------------
 
#define COLOR_ARGB8888_CHANNEL_SIZE 8
 
#define COLOR_ARGB8888_CHANNEL_MASK \
        ((1 << COLOR_ARGB8888_CHANNEL_SIZE) - 1)
 
#define COLOR_CHANNEL_MASK(format, channel) \
        ((1 << COLOR_CHANNEL_SIZE(format, channel)) - 1)
 
#define COLOR_CHANNEL_SIZE(format, channel) \
        COLOR_ ## format ## _ ## channel ## _SIZE
 
#define COLOR_CHANNEL_OFFSET(format, channel) \
        COLOR_ ## format ## _ ## channel ## _OFFSET
 
#define COLOR_ARGB8888_ALPHA_SIZE COLOR_ARGB8888_CHANNEL_SIZE
 
#define COLOR_ARGB8888_ALPHA_OFFSET 24
 
#define COLOR_ARGB8888_ALPHA_MASK \
        COLOR_CHANNEL_MASK(ARGB8888, ALPHA)
 
#define COLOR_ARGB8888_RED_SIZE COLOR_ARGB8888_CHANNEL_SIZE
 
#define COLOR_ARGB8888_RED_OFFSET 16
 
#define COLOR_ARGB8888_RED_MASK \
        COLOR_CHANNEL_MASK(ARGB8888, RED)
 
#define COLOR_ARGB8888_GREEN_SIZE COLOR_ARGB8888_CHANNEL_SIZE
 
#define COLOR_ARGB8888_GREEN_OFFSET 8
 
#define COLOR_ARGB8888_GREEN_MASK \
        COLOR_CHANNEL_MASK(ARGB8888, GREEN)
 
#define COLOR_ARGB8888_BLUE_SIZE COLOR_ARGB8888_CHANNEL_SIZE
 
#define COLOR_ARGB8888_BLUE_OFFSET 0
 
#define COLOR_ARGB8888_BLUE_MASK \
        COLOR_CHANNEL_MASK(ARGB8888, BLUE)
 
#define COLOR_GET_CHANNEL(color, format, channel)              \
        (uint8_t)(                                             \
            ((color) >> COLOR_CHANNEL_OFFSET(format, channel)) \
            &COLOR_CHANNEL_MASK(format, channel)               \
            )
 
#define COLOR_SET_COLOR(alpha, red, green, blue, format)        \
        (uint32_t)(0                                            \
                   | (((alpha)&COLOR_ ## format ## _ALPHA_MASK) \
                      << (COLOR_ ## format ## _ALPHA_OFFSET))   \
                   | (((red)&COLOR_ ## format ## _RED_MASK)     \
                      << (COLOR_ ## format ## _RED_OFFSET))     \
                   | (((green)&COLOR_ ## format ## _GREEN_MASK) \
                      << (COLOR_ ## format ## _GREEN_OFFSET))   \
                   | (((blue)&COLOR_ ## format ## _BLUE_MASK)   \
                      << (COLOR_ ## format ## _BLUE_OFFSET))    \
                   )
 
// -----------------------------------------------------------------------------
// EOF
// -----------------------------------------------------------------------------
 
#ifdef __cplusplus
}
#endif
 
#endif // !defined UI_COLOR_H