forked from enlightenment/efl
287 lines
6.9 KiB
C
287 lines
6.9 KiB
C
#include "evas_common_soft8.h"
|
|
#include "evas_soft8_scanline_blend.c"
|
|
|
|
static always_inline void
|
|
_glyph_pt_mask_solid_solid(DATA8 * dst, const DATA8 gry8, const DATA8 * mask)
|
|
{
|
|
DATA8 alpha = *mask;
|
|
|
|
if (alpha == 0xff)
|
|
*dst = gry8;
|
|
else if (alpha > 0)
|
|
{
|
|
*dst = GRY_8_BLEND_UNMUL(gry8, *dst, alpha);
|
|
}
|
|
}
|
|
|
|
static void
|
|
_glyph_scanline_mask_solid_solid(DATA8 * dst,
|
|
int size, const DATA8 gry8, const DATA8 * mask)
|
|
{
|
|
DATA8 *start, *end;
|
|
|
|
start = dst;
|
|
pld(start, 0);
|
|
pld(mask, 0);
|
|
end = start + (size & ~3);
|
|
|
|
while (start < end)
|
|
{
|
|
pld(start, 8);
|
|
pld(mask, 4);
|
|
UNROLL4(
|
|
{
|
|
_glyph_pt_mask_solid_solid(start, gry8, mask);
|
|
start++; mask++;}
|
|
);
|
|
}
|
|
|
|
end = start + (size & 3);
|
|
for (; start < end; start++, mask++)
|
|
_glyph_pt_mask_solid_solid(start, gry8, mask);
|
|
}
|
|
|
|
static always_inline void
|
|
_glyph_pt_mask_transp_solid(DATA8 * dst,
|
|
DATA8 gry8, DATA8 alpha, const DATA8 * mask)
|
|
{
|
|
DATA32 a, b;
|
|
int rel_alpha;
|
|
|
|
rel_alpha = *mask;
|
|
alpha = (alpha * rel_alpha) >> 8;
|
|
if (alpha == 0)
|
|
return;
|
|
|
|
alpha++;
|
|
|
|
*dst = GRY_8_BLEND((gry8 * rel_alpha) >> 8, *dst, alpha);
|
|
}
|
|
|
|
static void
|
|
_glyph_scanline_mask_transp_solid(DATA8 * dst,
|
|
int size,
|
|
const DATA8 gry8,
|
|
const DATA8 rel_alpha, const DATA8 * mask)
|
|
{
|
|
DATA8 *start, *end;
|
|
|
|
start = dst;
|
|
pld(start, 0);
|
|
pld(mask, 0);
|
|
end = start + (size & ~3);
|
|
|
|
while (start < end)
|
|
{
|
|
pld(start, 8);
|
|
pld(mask, 4);
|
|
UNROLL4(
|
|
{
|
|
_glyph_pt_mask_transp_solid(start, gry8, rel_alpha, mask);
|
|
start++; mask++;}
|
|
);
|
|
}
|
|
|
|
end = start + (size & 3);
|
|
for (; start < end; start++, mask++)
|
|
_glyph_pt_mask_transp_solid(start, gry8, rel_alpha, mask);
|
|
}
|
|
|
|
static inline void
|
|
_calc_ext(const Soft8_Image * dst, const RGBA_Draw_Context * dc,
|
|
Eina_Rectangle * ext)
|
|
{
|
|
EINA_RECTANGLE_SET(ext, 0, 0, dst->cache_entry.w, dst->cache_entry.h);
|
|
|
|
if (dc->clip.use)
|
|
{
|
|
int v;
|
|
|
|
EINA_RECTANGLE_SET(ext, dc->clip.x, dc->clip.y, dc->clip.w, dc->clip.h);
|
|
if (ext->x < 0)
|
|
{
|
|
ext->w += ext->x;
|
|
ext->x = 0;
|
|
}
|
|
if (ext->y < 0)
|
|
{
|
|
ext->h += ext->y;
|
|
ext->y = 0;
|
|
}
|
|
|
|
v = dst->cache_entry.w - ext->x;
|
|
if (ext->w > v)
|
|
ext->w = v;
|
|
|
|
v = dst->cache_entry.h - ext->y;
|
|
if (ext->h > v)
|
|
ext->h = v;
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
_glyph_scanline(Soft8_Image * dst, const DATA8 * p_mask,
|
|
const Eina_Rectangle ext, int dx, int dy, int max_x, int max_y,
|
|
int w, DATA8 alpha, const DATA8 gry8)
|
|
{
|
|
int size, in_x, in_w;
|
|
DATA8 *p_pixels;
|
|
|
|
if ((dx >= max_x) || (dy < ext.y) || (dy >= max_y))
|
|
return;
|
|
|
|
in_x = 0;
|
|
in_w = 0;
|
|
|
|
if (dx + w > max_x)
|
|
in_w += (dx + w) - max_x;
|
|
|
|
if (dx < ext.x)
|
|
{
|
|
in_w += ext.x - dx;
|
|
in_x = ext.x - dx;
|
|
dx = ext.x;
|
|
}
|
|
|
|
size = w - in_w;
|
|
p_pixels = dst->pixels + (dy * dst->stride) + dx;
|
|
p_mask += in_x;
|
|
|
|
if (size > 1)
|
|
{
|
|
if (alpha == 0xff)
|
|
_glyph_scanline_mask_solid_solid(p_pixels, size, gry8, p_mask);
|
|
else if (alpha != 0)
|
|
_glyph_scanline_mask_transp_solid
|
|
(p_pixels, size, gry8, alpha, p_mask);
|
|
}
|
|
else if (size == 1)
|
|
{
|
|
if (alpha == 0xff)
|
|
_glyph_pt_mask_solid_solid(p_pixels, gry8, p_mask);
|
|
else if (alpha != 0)
|
|
_glyph_pt_mask_transp_solid(p_pixels, gry8, alpha, p_mask);
|
|
}
|
|
}
|
|
|
|
static void
|
|
_soft8_font_glyph_draw_grayscale(Soft8_Image * dst,
|
|
RGBA_Draw_Context * dc __UNUSED__,
|
|
RGBA_Font_Glyph * fg __UNUSED__, int x, int y,
|
|
DATA8 alpha, DATA8 gry8,
|
|
const Eina_Rectangle ext, int bw, int bh,
|
|
int bpitch, const DATA8 * bitmap)
|
|
{
|
|
int i, max_x, max_y;
|
|
|
|
max_x = ext.x + ext.w;
|
|
max_y = ext.y + ext.h;
|
|
|
|
for (i = 0; i < bh; i++, bitmap += bpitch)
|
|
_glyph_scanline(dst, bitmap, ext, x, y + i, max_x, max_y, bw,
|
|
alpha, gry8);
|
|
}
|
|
|
|
static inline void
|
|
_glyph_create_mask_line(DATA8 * mask, const DATA8 * bitmap, int w)
|
|
{
|
|
const DATA8 bitrepl[2] = { 0x0, 0xff };
|
|
int i;
|
|
|
|
for (i = 0; i < w; i += 8, bitmap++)
|
|
{
|
|
int j, size;
|
|
DATA32 bits;
|
|
|
|
if (i + 8 < w)
|
|
size = 8;
|
|
else
|
|
size = w - i;
|
|
|
|
bits = *bitmap;
|
|
|
|
for (j = size - 1; j >= 0; j--, mask++)
|
|
*mask = bitrepl[(bits >> j) & 0x1];
|
|
}
|
|
}
|
|
|
|
static void
|
|
_soft8_font_glyph_draw_mono(Soft8_Image * dst,
|
|
RGBA_Draw_Context * dc __UNUSED__,
|
|
RGBA_Font_Glyph * fg __UNUSED__, int x, int y,
|
|
DATA8 alpha, DATA8 gry8, const Eina_Rectangle ext,
|
|
int bw, int bh, int bpitch, const DATA8 * bitmap)
|
|
{
|
|
DATA8 *mask;
|
|
int i, max_x, max_y;
|
|
|
|
max_x = ext.x + ext.w;
|
|
max_y = ext.y + ext.h;
|
|
|
|
mask = alloca(bpitch);
|
|
for (i = 0; i < bh; i++, bitmap += bpitch)
|
|
{
|
|
_glyph_create_mask_line(mask, bitmap, bw);
|
|
_glyph_scanline(dst, mask, ext, x, y + i, max_x, max_y, bw,
|
|
alpha, gry8);
|
|
}
|
|
}
|
|
|
|
void
|
|
soft8_font_glyph_draw(void *data, void *dest __UNUSED__, void *context,
|
|
RGBA_Font_Glyph * fg, int x, int y)
|
|
{
|
|
Soft8_Image *dst;
|
|
RGBA_Draw_Context *dc;
|
|
const DATA8 *bitmap;
|
|
DATA8 alpha, r, g, b;
|
|
DATA8 gry8;
|
|
Eina_Rectangle ext;
|
|
int bpitch, bw, bh;
|
|
|
|
dst = data;
|
|
dc = context;
|
|
|
|
alpha = A_VAL(&dc->col.col);
|
|
if (alpha == 0)
|
|
return;
|
|
|
|
gry8 = GRY_8_FROM_RGB(&dc->col.col);
|
|
|
|
/*
|
|
* if (r > alpha) r = alpha;
|
|
* if (g > alpha) g = alpha;
|
|
* if (b > alpha) b = alpha;
|
|
*
|
|
* gry8 = GRY_8_FROM_COMPONENTS(r, g, b);
|
|
*/
|
|
|
|
bitmap = fg->glyph_out->bitmap.buffer;
|
|
bh = fg->glyph_out->bitmap.rows;
|
|
bw = fg->glyph_out->bitmap.width;
|
|
bpitch = fg->glyph_out->bitmap.pitch;
|
|
if (bpitch < bw)
|
|
bpitch = bw;
|
|
|
|
_calc_ext(dst, dc, &ext);
|
|
|
|
if ((fg->glyph_out->bitmap.num_grays == 256) &&
|
|
(fg->glyph_out->bitmap.pixel_mode == ft_pixel_mode_grays))
|
|
_soft8_font_glyph_draw_grayscale(dst, dc, fg, x, y, alpha, gry8,
|
|
ext, bw, bh, bpitch, bitmap);
|
|
else
|
|
_soft8_font_glyph_draw_mono(dst, dc, fg, x, y, alpha, gry8,
|
|
ext, bw, bh, bpitch, bitmap);
|
|
}
|
|
|
|
void *
|
|
soft8_font_glyph_new(void *data __UNUSED__, RGBA_Font_Glyph * fg __UNUSED__)
|
|
{
|
|
return (void *)1; /* core requires != NULL to work */
|
|
}
|
|
|
|
void
|
|
soft8_font_glyph_free(void *ext_dat __UNUSED__)
|
|
{
|
|
}
|