1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
#ifndef EVAS_COMMON_SOFT16_H
#define EVAS_COMMON_SOFT16_H
#include "evas_common.h"
#include "evas_private.h"
#ifdef __cplusplus
extern "C" {
#endif
#define RGB_565_UNPACKED_MASK 0x07e0f81f
#define RGB_565_UNPACK(rgb) \
(((rgb) | ((rgb) << 16)) & RGB_565_UNPACKED_MASK)
#define RGB_565_PACK(rgb) \
((((rgb) & RGB_565_UNPACKED_MASK) | \
((rgb) & RGB_565_UNPACKED_MASK) >> 16) & 0xffff)
#define RGB_565_UNPACKED_BLEND(a, b, alpha) \
((b) + (a) - ((((b) * (alpha)) >> 5) & RGB_565_UNPACKED_MASK))
#define RGB_565_UNPACKED_BLEND_UNMUL(a, b, alpha) \
((b) + ((((a) - (b)) * (alpha)) >> 5))
#define RGB_565_FROM_COMPONENTS(r, g, b) \
(((((r) >> 3) & 0x1f) << 11) | \
((((g) >> 2) & 0x3f) << 5) | \
(((b) >> 3) & 0x1f))
static inline unsigned int
_calc_stride(unsigned int w)
{
unsigned int pad = w % 4;
if (!pad) return w;
else return w + 4 - pad;
}
#define IMG_BYTE_SIZE(stride, height, has_alpha) \
((stride) * (height) * (!(has_alpha) ? 2 : 3))
typedef struct _Soft16_Image Soft16_Image;
struct _Soft16_Image
{
Image_Entry cache_entry;
RGBA_Image *source;
int stride; // pixel stride - likely a multiple of 2
DATA16 *pixels; // 16bpp pixels rgb565
DATA8 *alpha; // 8bit alpha mask - optional. points into pixels
struct
{
/* unsigned char have_alpha : 1; // 1 if we have halpha */
unsigned char free_pixels : 1; // 1 if pixels should be freed
unsigned char free_alpha : 1; // 1 if alpha mask should be freed
} flags;
};
/**
* Image (evas_soft16_main.c)
*/
EAPI void evas_common_soft16_image_init(void);
EAPI void evas_common_soft16_image_shutdown(void);
EAPI Evas_Cache_Image *evas_common_soft16_image_cache_get(void);
EAPI void evas_common_soft16_image_draw(Soft16_Image *src, Soft16_Image *dst, RGBA_Draw_Context *dc, int src_region_x, int src_region_y, int src_region_w, int src_region_h, int dst_region_x, int dst_region_y, int dst_region_w, int dst_region_h, int smooth);
EAPI Soft16_Image *evas_common_soft16_image_alpha_set(Soft16_Image *im, int have_alpha);
void evas_common_soft16_image_draw_unscaled(Soft16_Image *src, Soft16_Image *dst, RGBA_Draw_Context *dc, const Eina_Rectangle sr, const Eina_Rectangle dr, const Eina_Rectangle cr);
void evas_common_soft16_image_draw_scaled_sampled(Soft16_Image *src, Soft16_Image *dst, RGBA_Draw_Context *dc, const Eina_Rectangle sr, const Eina_Rectangle dr, const Eina_Rectangle cr);
/* convert/dither functions */
void evas_common_soft16_image_convert_from_rgb(Soft16_Image *im, const DATA32 *src);
void evas_common_soft16_image_convert_from_rgba(Soft16_Image *im, const DATA32 *src);
/**
* Rectangle (evas_soft16_rectangle.c)
*/
EAPI void evas_common_soft16_rectangle_draw(Soft16_Image *dst, RGBA_Draw_Context *dc, int x, int y, int w, int h);
/**
* Polygon (evas_soft16_polygon.c)
*/
EAPI void evas_common_soft16_polygon_draw(Soft16_Image *dst, RGBA_Draw_Context *dc, RGBA_Polygon_Point *points, int x, int y);
/**
* Line (evas_soft16_line.c)
*/
EAPI void evas_common_soft16_line_draw(Soft16_Image *dst, RGBA_Draw_Context *dc, int x0, int y0, int x1, int y1);
/**
* Font (evas_soft16_font.c)
*/
EAPI void *evas_common_soft16_font_glyph_new(void *data, RGBA_Font_Glyph *fg);
EAPI void evas_common_soft16_font_glyph_free(void *ext_dat);
EAPI void evas_common_soft16_font_glyph_draw(void *data, void *dest, void *context, RGBA_Font_Glyph *fg, int x, int y);
#ifdef __cplusplus
}
#endif
#endif
|
