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evas: fix jpeg loader rotation by metadata (exif) 

Summary:
90 or 270 degree rotation is not working properly
width should be regarded as height, and vice versa.

if this patch and D1082 were commited, rotation from metadata will be working properly by using evas_object_image_load_orientation_set()

@fix

Test Plan: add image object and invoke evas_object_image_load_orientation_set() -> load file with orientation metadata -> check whether image is rotated properly or not

Reviewers: raster, cedric, jpeg

CC: seoz, cedric

Differential Revision: https://phab.enlightenment.org/D1084

Signed-off-by: Cedric Bail <cedric.bail@free.fr>
This commit is contained in:
wonguk.jeong 2014-06-29 15:04:03 +02:00 committed by Cedric Bail
parent 87b8339b81
commit 7754f3e87f
1 changed files with 8 additions and 8 deletions
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16
src/modules/evas/loaders/jpeg/evas_image_load_jpeg.c
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@ -1076,8 +1076,8 @@ done:
if (prop->rotated)
{
DATA32 *data1, *data2, *to, *from;
int lx, ly, lw, lh, hw;
DATA32 *data1, *data2, *to, *from;
int lx, ly, lw, lh, hw;
lw = w;
lh = h;
@ -1107,26 +1107,26 @@ done:
if (degree == 90)
{
to = data1 + lw - 1;
to = data1 + lh - 1;
hw = -hw - 1;
}
else if (degree == 270)
{
to = data1 + hw - lw;
lw = -lw;
to = data1 + hw - lh;
lh = -lh;
hw = hw + 1;
}
if (to)
{
from = data2;
for (lx = w; --lx >= 0;)
for (lx = h; --lx >= 0;)
{
for (ly = h; --ly >= 0;)
for (ly = w; --ly >= 0;)
{
*to = *from;
from++;
to += lw;
to += lh;
}
to += hw;
}