efl/legacy/evas/src/lib/engines/common/evas_image_data.c

124 lines
3.0 KiB
C

#include "evas_common.h"
#include "evas_private.h"
#include <assert.h>
EAPI int
evas_common_image_from_data(RGBA_Image* dst, int w, int h, DATA32 *image_data, int alpha, int cspace)
{
switch (cspace)
{
case EVAS_COLORSPACE_ARGB8888:
dst->image->w = w;
dst->image->h = h;
dst->image->data = image_data;
dst->image->no_free = 1;
if (alpha)
dst->flags |= RGBA_IMAGE_HAS_ALPHA;
else
dst->flags &= ~RGBA_IMAGE_HAS_ALPHA;
break;
case EVAS_COLORSPACE_YCBCR422P601_PL:
case EVAS_COLORSPACE_YCBCR422P709_PL:
w &= ~0x1;
dst->image->w = w;
dst->image->h = h;
evas_common_image_surface_alloc(dst->image);
dst->cs.data = image_data;
dst->cs.no_free = 1;
break;
default:
abort();
break;
}
dst->cs.space = cspace;
evas_common_image_colorspace_dirty(dst);
return 0;
}
EAPI int
evas_common_image_from_copied_data(RGBA_Image* dst, int w, int h, DATA32 *image_data, int alpha, int cspace)
{
switch (cspace)
{
case EVAS_COLORSPACE_ARGB8888:
if (alpha)
dst->flags |= RGBA_IMAGE_HAS_ALPHA;
else
dst->flags &= ~RGBA_IMAGE_HAS_ALPHA;
if (image_data)
memcpy(dst->image->data, image_data, w * h * sizeof(DATA32));
break;
case EVAS_COLORSPACE_YCBCR422P601_PL:
case EVAS_COLORSPACE_YCBCR422P709_PL:
dst->cs.data = calloc(1, dst->image->h * sizeof(unsigned char*) * 2);
if (image_data && (dst->cs.data))
memcpy(dst->cs.data, image_data, dst->image->h * sizeof(unsigned char*) * 2);
break;
default:
abort();
break;
}
dst->cs.space = cspace;
evas_common_image_colorspace_dirty(dst);
return 0;
}
EAPI int
evas_common_image_size_set(RGBA_Image* dst, const RGBA_Image* im, int w, int h)
{
if ((im->cs.space == EVAS_COLORSPACE_YCBCR422P601_PL) ||
(im->cs.space == EVAS_COLORSPACE_YCBCR422P709_PL))
w &= ~0x1;
dst->cs.space = im->cs.space;
dst->flags = im->flags;
dst->cs.no_free = 0;
if ((im->cs.space == EVAS_COLORSPACE_YCBCR422P601_PL) ||
(im->cs.space == EVAS_COLORSPACE_YCBCR422P709_PL))
dst->cs.data = calloc(1, dst->image->h * sizeof(unsigned char *) * 2);
evas_common_image_surface_alloc(dst->image);
evas_common_image_colorspace_dirty(dst);
return 0;
}
EAPI int
evas_common_image_colorspace_set(RGBA_Image* dst, int cspace)
{
switch (cspace)
{
case EVAS_COLORSPACE_ARGB8888:
if (dst->cs.data)
{
if (!dst->cs.no_free) free(dst->cs.data);
dst->cs.data = NULL;
dst->cs.no_free = 0;
}
break;
case EVAS_COLORSPACE_YCBCR422P601_PL:
case EVAS_COLORSPACE_YCBCR422P709_PL:
if (dst->image->no_free)
{
dst->image->data = NULL;
dst->image->no_free = 0;
evas_common_image_surface_alloc(dst->image);
}
if (dst->cs.data)
{
if (!dst->cs.no_free) free(dst->cs.data);
}
dst->cs.data = calloc(1, dst->image->h * sizeof(unsigned char *) * 2);
dst->cs.no_free = 0;
break;
default:
abort();
break;
}
dst->cs.space = cspace;
evas_common_image_colorspace_dirty(dst);
return 0;
}