diff options
Diffstat (limited to 'twinint.h')
| -rw-r--r-- | twinint.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/twinint.h b/twinint.h new file mode 100644 index 0000000..3c2dc6d --- /dev/null +++ b/twinint.h @@ -0,0 +1,213 @@ +/* + * $Id$ + * + * Copyright © 2004 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _TWININT_H_ +#define _TWININT_H_ + +#include "twin.h" +#include <string.h> + +#define twin_int_mult(a,b,t) ((t) = (a) * (b) + 0x80, \ + ((((t)>>8 ) + (t))>>8 )) +#define twin_int_div(a,b) (((uint16_t) (a) * 255) / (b)) +#define twin_get_8(v,i) ((uint16_t) (uint8_t) ((v) >> (i))) +#define twin_sat(t) ((uint8_t) ((t) | (0 - ((t) >> 8)))) + +#define twin_in(s,i,m,t) \ + ((twin_argb32_t) twin_int_mult (twin_get_8(s,i),(m),(t)) << (i)) + +#define twin_over(s,d,i,m,t) \ + ((t) = twin_int_mult(twin_get_8(d,i),(m),(t)) + twin_get_8(s,i),\ + (twin_argb32_t) twin_sat (t) << (i)) + +#define twin_over(s,d,i,m,t) \ + ((t) = twin_int_mult(twin_get_8(d,i),(m),(t)) + twin_get_8(s,i),\ + (twin_argb32_t) twin_sat (t) << (i)) + +#define twin_argb32_to_rgb16(s) ((((s) >> 3) & 0x001f) | \ + (((s) >> 5) & 0x07e0) | \ + (((s) >> 8) & 0xf800)) +#define twin_rgb16_to_argb32(s) \ + (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \ + ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \ + ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)) | \ + 0xff000000) + +typedef union { + twin_pointer_t p; + twin_argb32_t c; +} twin_source_u; + +typedef void (*twin_src_msk_op) (twin_pointer_t dst, + twin_source_u src, + twin_source_u msk, + int width); + +typedef void (*twin_src_op) (twin_pointer_t dst, + twin_source_u src, + int width); + +/* twin_primitive.c */ + +typedef void twin_in_op_func (twin_pointer_t dst, + twin_source_u src, + twin_source_u msk, + int width); + +typedef void twin_op_func (twin_pointer_t dst, + twin_source_u src, + int width); + +twin_in_op_func _twin_argb32_in_argb32_over_argb32; +twin_in_op_func _twin_argb32_in_rgb16_over_argb32; +twin_in_op_func _twin_argb32_in_a8_over_argb32; +twin_in_op_func _twin_argb32_in_c_over_argb32; +twin_in_op_func _twin_rgb16_in_argb32_over_argb32; +twin_in_op_func _twin_rgb16_in_rgb16_over_argb32; +twin_in_op_func _twin_rgb16_in_a8_over_argb32; +twin_in_op_func _twin_rgb16_in_c_over_argb32; +twin_in_op_func _twin_a8_in_argb32_over_argb32; +twin_in_op_func _twin_a8_in_rgb16_over_argb32; +twin_in_op_func _twin_a8_in_a8_over_argb32; +twin_in_op_func _twin_a8_in_c_over_argb32; +twin_in_op_func _twin_c_in_argb32_over_argb32; +twin_in_op_func _twin_c_in_rgb16_over_argb32; +twin_in_op_func _twin_c_in_a8_over_argb32; +twin_in_op_func _twin_c_in_c_over_argb32; +twin_in_op_func _twin_argb32_in_argb32_over_rgb16; +twin_in_op_func _twin_argb32_in_rgb16_over_rgb16; +twin_in_op_func _twin_argb32_in_a8_over_rgb16; +twin_in_op_func _twin_argb32_in_c_over_rgb16; +twin_in_op_func _twin_rgb16_in_argb32_over_rgb16; +twin_in_op_func _twin_rgb16_in_rgb16_over_rgb16; +twin_in_op_func _twin_rgb16_in_a8_over_rgb16; +twin_in_op_func _twin_rgb16_in_c_over_rgb16; +twin_in_op_func _twin_a8_in_argb32_over_rgb16; +twin_in_op_func _twin_a8_in_rgb16_over_rgb16; +twin_in_op_func _twin_a8_in_a8_over_rgb16; +twin_in_op_func _twin_a8_in_c_over_rgb16; +twin_in_op_func _twin_c_in_argb32_over_rgb16; +twin_in_op_func _twin_c_in_rgb16_over_rgb16; +twin_in_op_func _twin_c_in_a8_over_rgb16; +twin_in_op_func _twin_c_in_c_over_rgb16; +twin_in_op_func _twin_argb32_in_argb32_over_a8; +twin_in_op_func _twin_argb32_in_rgb16_over_a8; +twin_in_op_func _twin_argb32_in_a8_over_a8; +twin_in_op_func _twin_argb32_in_c_over_a8; +twin_in_op_func _twin_rgb16_in_argb32_over_a8; +twin_in_op_func _twin_rgb16_in_rgb16_over_a8; +twin_in_op_func _twin_rgb16_in_a8_over_a8; +twin_in_op_func _twin_rgb16_in_c_over_a8; +twin_in_op_func _twin_a8_in_argb32_over_a8; +twin_in_op_func _twin_a8_in_rgb16_over_a8; +twin_in_op_func _twin_a8_in_a8_over_a8; +twin_in_op_func _twin_a8_in_c_over_a8; +twin_in_op_func _twin_c_in_argb32_over_a8; +twin_in_op_func _twin_c_in_rgb16_over_a8; +twin_in_op_func _twin_c_in_a8_over_a8; +twin_in_op_func _twin_c_in_c_over_a8; +twin_in_op_func _twin_argb32_in_argb32_over_c; + +twin_in_op_func _twin_argb32_in_argb32_source_argb32; +twin_in_op_func _twin_argb32_in_rgb16_source_argb32; +twin_in_op_func _twin_argb32_in_a8_source_argb32; +twin_in_op_func _twin_argb32_in_c_source_argb32; +twin_in_op_func _twin_rgb16_in_argb32_source_argb32; +twin_in_op_func _twin_rgb16_in_rgb16_source_argb32; +twin_in_op_func _twin_rgb16_in_a8_source_argb32; +twin_in_op_func _twin_rgb16_in_c_source_argb32; +twin_in_op_func _twin_a8_in_argb32_source_argb32; +twin_in_op_func _twin_a8_in_rgb16_source_argb32; +twin_in_op_func _twin_a8_in_a8_source_argb32; +twin_in_op_func _twin_a8_in_c_source_argb32; +twin_in_op_func _twin_c_in_argb32_source_argb32; +twin_in_op_func _twin_c_in_rgb16_source_argb32; +twin_in_op_func _twin_c_in_a8_source_argb32; +twin_in_op_func _twin_c_in_c_source_argb32; +twin_in_op_func _twin_argb32_in_argb32_source_rgb16; +twin_in_op_func _twin_argb32_in_rgb16_source_rgb16; +twin_in_op_func _twin_argb32_in_a8_source_rgb16; +twin_in_op_func _twin_argb32_in_c_source_rgb16; +twin_in_op_func _twin_rgb16_in_argb32_source_rgb16; +twin_in_op_func _twin_rgb16_in_rgb16_source_rgb16; +twin_in_op_func _twin_rgb16_in_a8_source_rgb16; +twin_in_op_func _twin_rgb16_in_c_source_rgb16; +twin_in_op_func _twin_a8_in_argb32_source_rgb16; +twin_in_op_func _twin_a8_in_rgb16_source_rgb16; +twin_in_op_func _twin_a8_in_a8_source_rgb16; +twin_in_op_func _twin_a8_in_c_source_rgb16; +twin_in_op_func _twin_c_in_argb32_source_rgb16; +twin_in_op_func _twin_c_in_rgb16_source_rgb16; +twin_in_op_func _twin_c_in_a8_source_rgb16; +twin_in_op_func _twin_c_in_c_source_rgb16; +twin_in_op_func _twin_argb32_in_argb32_source_a8; +twin_in_op_func _twin_argb32_in_rgb16_source_a8; +twin_in_op_func _twin_argb32_in_a8_source_a8; +twin_in_op_func _twin_argb32_in_c_source_a8; +twin_in_op_func _twin_rgb16_in_argb32_source_a8; +twin_in_op_func _twin_rgb16_in_rgb16_source_a8; +twin_in_op_func _twin_rgb16_in_a8_source_a8; +twin_in_op_func _twin_rgb16_in_c_source_a8; +twin_in_op_func _twin_a8_in_argb32_source_a8; +twin_in_op_func _twin_a8_in_rgb16_source_a8; +twin_in_op_func _twin_a8_in_a8_source_a8; +twin_in_op_func _twin_a8_in_c_source_a8; +twin_in_op_func _twin_c_in_argb32_source_a8; +twin_in_op_func _twin_c_in_rgb16_source_a8; +twin_in_op_func _twin_c_in_a8_source_a8; +twin_in_op_func _twin_c_in_c_source_a8; +twin_in_op_func _twin_argb32_in_argb32_source_c; + +twin_op_func _twin_argb32_over_argb32; +twin_op_func _twin_rgb16_over_argb32; +twin_op_func _twin_a8_over_argb32; +twin_op_func _twin_c_over_argb32; +twin_op_func _twin_argb32_over_rgb16; +twin_op_func _twin_rgb16_over_rgb16; +twin_op_func _twin_a8_over_rgb16; +twin_op_func _twin_c_over_rgb16; +twin_op_func _twin_argb32_over_a8; +twin_op_func _twin_rgb16_over_a8; +twin_op_func _twin_a8_over_a8; +twin_op_func _twin_c_over_a8; +twin_op_func _twin_argb32_source_argb32; +twin_op_func _twin_rgb16_source_argb32; +twin_op_func _twin_a8_source_argb32; +twin_op_func _twin_c_source_argb32; +twin_op_func _twin_argb32_source_rgb16; +twin_op_func _twin_rgb16_source_rgb16; +twin_op_func _twin_a8_source_rgb16; +twin_op_func _twin_c_source_rgb16; +twin_op_func _twin_argb32_source_a8; +twin_op_func _twin_rgb16_source_a8; +twin_op_func _twin_a8_source_a8; +twin_op_func _twin_c_source_a8; + +twin_argb32_t * +_twin_fetch_rgb16 (twin_pixmap_t *pixmap, int x, int y, int w, twin_argb32_t *span); + +twin_argb32_t * +_twin_fetch_argb32 (twin_pixmap_t *pixmap, int x, int y, int w, twin_argb32_t *span); + +#endif /* _TWININT_H_ */ |