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use a much simpler and shorter method of determining how to transform the

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2003-09-28  Michael Natterer  <mitch@gimp.org>

	* app/core/gimpimage.c (gimp_image_transform_temp_buf): use a much
	simpler and shorter method of determining how to transform the
	TempBuf.
This commit is contained in:
Michael Natterer 2003-09-27 22:40:18 +00:00 • committed by Michael Natterer
parent 8060800b9d
commit 079101d656
2 changed files with 39 additions and 43 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2003-09-28 Michael Natterer <mitch@gimp.org>
* app/core/gimpimage.c (gimp_image_transform_temp_buf): use a much
simpler and shorter method of determining how to transform the
TempBuf.
2003-09-28 Michael Natterer <mitch@gimp.org>
* app/core/gimpdrawable-bucket-fill.c

76
app/core/gimpimage.c
View file

@ -1768,69 +1768,59 @@ gimp_image_transform_temp_buf (const GimpImage *dest_image,
TempBuf *temp_buf,
gboolean *new_buf)
{
TempBuf *ret_buf;
TempBuf *ret_buf;
GimpImageType ret_buf_type;
gboolean has_alpha;
gboolean is_rgb;
gint in_bytes;
gint out_bytes;
g_return_val_if_fail (GIMP_IMAGE (dest_image), NULL);
g_return_val_if_fail (GIMP_DRAWABLE (dest_drawable), NULL);
g_return_val_if_fail (temp_buf != NULL, NULL);
g_return_val_if_fail (new_buf != NULL, NULL);
in_bytes = temp_buf->bytes;
has_alpha = (in_bytes == 2 || in_bytes == 4);
is_rgb = (in_bytes == 3 || in_bytes == 4);
ret_buf_type =
GIMP_IMAGE_TYPE_FROM_BASE_TYPE (gimp_image_base_type (dest_image));
if (has_alpha)
ret_buf_type = GIMP_IMAGE_TYPE_WITH_ALPHA (ret_buf_type);
out_bytes = GIMP_IMAGE_TYPE_BYTES (ret_buf_type);
/* If the pattern doesn't match the image in terms of color type,
* transform it. (ie pattern is RGB, image is indexed)
*/
if (((temp_buf->bytes == 3 || temp_buf->bytes == 4) &&
! gimp_drawable_is_rgb (dest_drawable)) ||
((temp_buf->bytes == 1 || temp_buf->bytes == 2) &&
! gimp_drawable_is_gray (dest_drawable)))
if (in_bytes != out_bytes || gimp_drawable_is_indexed (dest_drawable))
{
guchar *d1, *d2;
gint size, in_bytes, out_bytes;
guchar *src;
guchar *dest;
gint size;
if (temp_buf->bytes == 2 && gimp_drawable_is_rgb (dest_drawable))
{
ret_buf = temp_buf_new (temp_buf->width,
temp_buf->height,
4, 0, 0, NULL);
}
else if (temp_buf->bytes == 1 && gimp_drawable_is_rgb (dest_drawable))
{
ret_buf = temp_buf_new (temp_buf->width,
temp_buf->height,
3, 0, 0, NULL);
}
else if (temp_buf->bytes == 4 && gimp_drawable_is_gray (dest_drawable))
{
ret_buf = temp_buf_new (temp_buf->width,
temp_buf->height,
2, 0, 0, NULL);
}
else
{
ret_buf = temp_buf_new (temp_buf->width,
temp_buf->height,
1, 0, 0, NULL);
}
ret_buf = temp_buf_new (temp_buf->width, temp_buf->height,
out_bytes, 0, 0, NULL);
d1 = temp_buf_data (temp_buf);
d2 = temp_buf_data (ret_buf);
src = temp_buf_data (temp_buf);
dest = temp_buf_data (ret_buf);
size = temp_buf->width * temp_buf->height;
in_bytes = temp_buf->bytes;
out_bytes = ret_buf->bytes;
while (size--)
{
gimp_image_transform_color (dest_image, dest_drawable, d2,
(in_bytes == 3 || in_bytes == 4) ?
GIMP_RGB : GIMP_GRAY, d1);
gimp_image_transform_color (dest_image, dest_drawable, dest,
is_rgb ? GIMP_RGB : GIMP_GRAY, src);
/* Handle alpha */
if (in_bytes == 4 || in_bytes == 2 )
d2[out_bytes - 1] = d1[in_bytes - 1];
if (has_alpha)
dest[out_bytes - 1] = src[in_bytes - 1];
d1 += in_bytes;
d2 += out_bytes;
src += in_bytes;
dest += out_bytes;
}
*new_buf = TRUE;