static int __guac_common_surface_transfer_int()

in src/common/surface.c [729:803]

• 53 lines of code
• 17 McCabe index (conditional complexity)

static int __guac_common_surface_transfer_int(guac_transfer_function op, uint32_t* src, uint32_t* dst) {

    uint32_t orig = *dst;

    switch (op) {

        case GUAC_TRANSFER_BINARY_BLACK:
            *dst = 0xFF000000;
            break;

        case GUAC_TRANSFER_BINARY_WHITE:
            *dst = 0xFFFFFFFF;
            break;

        case GUAC_TRANSFER_BINARY_SRC:
            *dst = *src;
            break;

        case GUAC_TRANSFER_BINARY_DEST:
            /* NOP */
            break;

        case GUAC_TRANSFER_BINARY_NSRC:
            *dst = *src ^ 0x00FFFFFF;
            break;

        case GUAC_TRANSFER_BINARY_NDEST:
            *dst = *dst ^ 0x00FFFFFF;
            break;

        case GUAC_TRANSFER_BINARY_AND:
            *dst = ((*dst) & (0xFF000000 | *src));
            break;

        case GUAC_TRANSFER_BINARY_NAND:
            *dst = ((*dst) & (0xFF000000 | *src)) ^ 0x00FFFFFF;
            break;

        case GUAC_TRANSFER_BINARY_OR:
            *dst = ((*dst) | (0x00FFFFFF & *src));
            break;

        case GUAC_TRANSFER_BINARY_NOR:
            *dst = ((*dst) | (0x00FFFFFF & *src)) ^ 0x00FFFFFF;
            break;

        case GUAC_TRANSFER_BINARY_XOR:
            *dst = ((*dst) ^ (0x00FFFFFF & *src));
            break;

        case GUAC_TRANSFER_BINARY_XNOR:
            *dst = ((*dst) ^ (0x00FFFFFF & *src)) ^ 0x00FFFFFF;
            break;

        case GUAC_TRANSFER_BINARY_NSRC_AND:
            *dst = ((*dst) & (0xFF000000 | (*src ^ 0x00FFFFFF)));
            break;

        case GUAC_TRANSFER_BINARY_NSRC_NAND:
            *dst = ((*dst) & (0xFF000000 | (*src ^ 0x00FFFFFF))) ^ 0x00FFFFFF;
            break;

        case GUAC_TRANSFER_BINARY_NSRC_OR:
            *dst = ((*dst) | (0x00FFFFFF & (*src ^ 0x00FFFFFF)));
            break;

        case GUAC_TRANSFER_BINARY_NSRC_NOR:
            *dst = ((*dst) | (0x00FFFFFF & (*src ^ 0x00FFFFFF))) ^ 0x00FFFFFF;
            break;

    }

    return *dst != orig;

}