efl/legacy/evas/src/modules/engines/software_16/evas_soft16_image_unscaled.c

294 lines
9.9 KiB
C

#include "evas_soft16.h"
#include "evas_soft16_scanline_blend.c"
static void
_soft16_image_draw_unscaled_solid_solid(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset, int dst_offset,
int w, int h)
{
DATA16 *src_itr, *dst_itr;
int y;
src_itr = src->pixels + src_offset;
dst_itr = dst->pixels + dst_offset;
for (y = 0; y < h; y++)
{
_soft16_scanline_blend_solid_solid(src_itr, dst_itr, w);
src_itr += src->stride;
dst_itr += dst->stride;
}
}
static void
_soft16_image_draw_unscaled_transp_solid(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset, int dst_offset,
int w, int h)
{
DATA16 *src_itr, *dst_itr;
DATA8 *alpha_itr;
int y;
src_itr = src->pixels + src_offset;
alpha_itr = src->alpha + src_offset;
dst_itr = dst->pixels + dst_offset;
for (y = 0; y < h; y++)
{
_soft16_scanline_blend_transp_solid(src_itr, alpha_itr, dst_itr, w);
src_itr += src->stride;
alpha_itr += src->stride;
dst_itr += dst->stride;
}
}
static inline void
_soft16_image_draw_unscaled_no_mul(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset, int dst_offset,
int width, int height)
{
if (src->have_alpha && (!dst->have_alpha))
_soft16_image_draw_unscaled_transp_solid(src, dst, dc,
src_offset, dst_offset,
width, height);
else if ((!src->have_alpha) && (!dst->have_alpha))
_soft16_image_draw_unscaled_solid_solid(src, dst, dc,
src_offset, dst_offset,
width, height);
else
fprintf(stderr,
"Unsupported draw of unscaled images src->have_alpha=%d, "
"dst->have_alpha=%d, WITHOUT COLOR MUL\n",
src->have_alpha, dst->have_alpha);
}
static void
_soft16_image_draw_unscaled_solid_solid_mul_alpha(Soft16_Image *src,
Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset,
int dst_offset,
int w, int h)
{
DATA16 *src_itr, *dst_itr;
int y, rel_alpha;
src_itr = src->pixels + src_offset;
dst_itr = dst->pixels + dst_offset;
rel_alpha = A_VAL(&dc->mul.col) >> 3;
if ((rel_alpha < 1) || (rel_alpha > 31)) return;
rel_alpha = 31 - rel_alpha;
for (y = 0; y < h; y++)
{
_soft16_scanline_blend_solid_solid_mul_alpha(src_itr, dst_itr, w,
rel_alpha);
src_itr += src->stride;
dst_itr += dst->stride;
}
}
static void
_soft16_image_draw_unscaled_transp_solid_mul_alpha(Soft16_Image *src,
Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset,
int dst_offset,
int w, int h)
{
DATA16 *src_itr, *dst_itr;
DATA8 *alpha_itr;
int y, rel_alpha;
src_itr = src->pixels + src_offset;
alpha_itr = src->alpha + src_offset;
dst_itr = dst->pixels + dst_offset;
rel_alpha = A_VAL(&dc->mul.col) >> 3;
if ((rel_alpha < 1) || (rel_alpha > 31)) return;
rel_alpha = 31 - rel_alpha;
for (y = 0; y < h; y++)
{
_soft16_scanline_blend_transp_solid_mul_alpha(src_itr, alpha_itr,
dst_itr, w, rel_alpha);
src_itr += src->stride;
alpha_itr += src->stride;
dst_itr += dst->stride;
}
}
static inline void
_soft16_image_draw_unscaled_mul_alpha(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset, int dst_offset,
int width, int height)
{
if (src->have_alpha && (!dst->have_alpha))
_soft16_image_draw_unscaled_transp_solid_mul_alpha
(src, dst, dc, src_offset, dst_offset, width, height);
else if ((!src->have_alpha) && (!dst->have_alpha))
_soft16_image_draw_unscaled_solid_solid_mul_alpha
(src, dst, dc, src_offset, dst_offset, width, height);
else
fprintf(stderr,
"Unsupported draw of unscaled images src->have_alpha=%d, "
"dst->have_alpha=%d, WITH ALPHA MUL %d\n",
src->have_alpha, dst->have_alpha, A_VAL(&dc->mul.col));
}
static void
_soft16_image_draw_unscaled_solid_solid_mul_color(Soft16_Image *src,
Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset,
int dst_offset,
int w, int h)
{
DATA16 *src_itr, *dst_itr;
int y, rel_alpha, r, g, b;
src_itr = src->pixels + src_offset;
dst_itr = dst->pixels + dst_offset;
rel_alpha = A_VAL(&dc->mul.col) >> 3;
if ((rel_alpha < 1) || (rel_alpha > 31)) return;
r = R_VAL(&dc->mul.col);
g = G_VAL(&dc->mul.col);
b = B_VAL(&dc->mul.col);
/* we'll divide by 256 to make it faster, try to improve things a bit */
if (r > 127) r++;
if (g > 127) g++;
if (b > 127) b++;
if (rel_alpha == 31)
for (y = 0; y < h; y++)
{
_soft16_scanline_blend_solid_solid_mul_color_solid
(src_itr, dst_itr, w, r, g, b);
src_itr += src->stride;
dst_itr += dst->stride;
}
else
for (y = 0; y < h; y++)
{
_soft16_scanline_blend_solid_solid_mul_color_transp
(src_itr, dst_itr, w, rel_alpha, r, g, b);
src_itr += src->stride;
dst_itr += dst->stride;
}
}
static void
_soft16_image_draw_unscaled_transp_solid_mul_color(Soft16_Image *src,
Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset,
int dst_offset,
int w, int h)
{
DATA16 *src_itr, *dst_itr;
DATA8 *alpha_itr;
int y, rel_alpha, r, g, b;
src_itr = src->pixels + src_offset;
alpha_itr = src->alpha + src_offset;
dst_itr = dst->pixels + dst_offset;
rel_alpha = A_VAL(&dc->mul.col) >> 3;
if ((rel_alpha < 1) || (rel_alpha > 31)) return;
rel_alpha = 31 - rel_alpha;
r = R_VAL(&dc->mul.col);
g = G_VAL(&dc->mul.col);
b = B_VAL(&dc->mul.col);
/* we'll divide by 256 to make it faster, try to improve things a bit */
if (r > 127) r++;
if (g > 127) g++;
if (b > 127) b++;
if (rel_alpha == 0)
for (y = 0; y < h; y++)
{
_soft16_scanline_blend_transp_solid_mul_color_solid
(src_itr, alpha_itr, dst_itr, w, r, g, b);
src_itr += src->stride;
alpha_itr += src->stride;
dst_itr += dst->stride;
}
else
for (y = 0; y < h; y++)
{
_soft16_scanline_blend_transp_solid_mul_color_transp
(src_itr, alpha_itr, dst_itr, w, rel_alpha, r, g, b);
src_itr += src->stride;
alpha_itr += src->stride;
dst_itr += dst->stride;
}
}
static inline void
_soft16_image_draw_unscaled_mul_color(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset, int dst_offset,
int width, int height)
{
if (src->have_alpha && (!dst->have_alpha))
_soft16_image_draw_unscaled_transp_solid_mul_color
(src, dst, dc, src_offset, dst_offset, width, height);
else if ((!src->have_alpha) && (!dst->have_alpha))
_soft16_image_draw_unscaled_solid_solid_mul_color
(src, dst, dc, src_offset, dst_offset, width, height);
else
fprintf(stderr,
"Unsupported draw of unscaled images src->have_alpha=%d, "
"dst->have_alpha=%d, WITH COLOR MUL 0x%08x\n",
src->have_alpha, dst->have_alpha, dc->mul.col);
}
static inline void
_soft16_image_draw_unscaled_mul(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_offset, int dst_offset,
int width, int height)
{
if ((A_VAL(&dc->mul.col) == R_VAL(&dc->mul.col)) &&
(A_VAL(&dc->mul.col) == G_VAL(&dc->mul.col)) &&
(A_VAL(&dc->mul.col) == B_VAL(&dc->mul.col)))
_soft16_image_draw_unscaled_mul_alpha(src, dst, dc, src_offset,
dst_offset, width, height);
else
_soft16_image_draw_unscaled_mul_color(src, dst, dc, src_offset,
dst_offset, width, height);
}
void
soft16_image_draw_unscaled(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
const Evas_Rectangle sr,
const Evas_Rectangle dr,
const Evas_Rectangle cr)
{
int src_offset_rows, src_offset, dst_offset;
src_offset_rows = (cr.y - dr.y) + sr.y;
src_offset = (src_offset_rows * src->stride) + (cr.x - dr.x) + sr.x;
dst_offset = cr.x + (cr.y * dst->stride);
if ((!dc->mul.use) || (dc->mul.col == 0xffffffff))
_soft16_image_draw_unscaled_no_mul(src, dst, dc, src_offset, dst_offset,
cr.w, cr.h);
else if (dc->mul.col != 0x00000000)
_soft16_image_draw_unscaled_mul(src, dst, dc, src_offset, dst_offset,
cr.w, cr.h);
}