forked from enlightenment/efl
emotion/ratio - Explain how to use emotion_object_ratio_get().
SVN revision: 62068
This commit is contained in:
Rafael Antognolli
parent
7e095c6b70
commit
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45.511112 0 0 45.511112 196.648634 85.426692 Tm
|
||||
/f-0-0 1 Tf
|
||||
<0102030405>Tj
|
||||
ET
|
||||
Q
|
||||
Q
|
||||
0 g
|
||||
1.4224 w
|
||||
0 J
|
||||
0 j
|
||||
[ 5.6896 5.6896] 0 d
|
||||
4 M q 1 0 0 -1 0 165.636871 cm
|
||||
154.57 0.719 226.133 126.578 re S Q
|
||||
0.8 w
|
||||
[] 0.0 d
|
||||
q 1 0 0 -1 0 165.636871 cm
|
||||
204.039 0.406 127.199 127.199 re S Q
|
||||
q 1 0 0 -1 0 165.636871 cm
|
||||
429.754 0.406 127.199 127.199 re S Q
|
||||
0.8 g
|
||||
429.754 164.961 127.199 -126.816 re f
|
||||
0 g
|
||||
1.06768 w
|
||||
q 0.561432 0 0 -1 0 165.636871 cm
|
||||
765.46 0.676 226.562 126.816 re S Q
|
||||
BT
|
||||
25.6 0 0 45.597663 453.422949 84.954295 Tm
|
||||
/f-0-0 1 Tf
|
||||
<0102030405>Tj
|
||||
ET
|
||||
BT
|
||||
12.8 0 0 12.8 53.868512 0.00000663977 Tm
|
||||
/f-0-0 1 Tf
|
||||
<060207>Tj
|
||||
ET
|
||||
BT
|
||||
12.8 0 0 12.8 254.340662 0.808112 Tm
|
||||
/f-0-0 1 Tf
|
||||
<06020808>Tj
|
||||
ET
|
||||
BT
|
||||
12.8 0 0 12.8 464.260437 7.273102 Tm
|
||||
/f-0-0 1 Tf
|
||||
[<09070a>-1<04>-1<07>58<0b>-1<0c>]TJ
|
||||
ET
|
||||
Q Q
|
||||
showpage
|
||||
%%Trailer
|
||||
count op_count sub {pop} repeat
|
||||
countdictstack dict_count sub {end} repeat
|
||||
cairo_eps_state restore
|
||||
%%EOF
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 13 KiB |
|
|
@ -552,6 +552,66 @@ EAPI Eina_Bool emotion_object_audio_handled_get (const Evas_Object *obj);
|
|||
* so the aspect won't be changed (by wrongly resizing the object). Or to crop
|
||||
* the video correctly, if necessary.
|
||||
*
|
||||
* The described behavior can be applied like following. Consider a given
|
||||
* emotion object that we want to position inside an area, which we will
|
||||
* represent by @c w and @c h. Since we want to position this object either
|
||||
* stretching, or filling the entire area but overflowing the video, or just
|
||||
* adjust the video to fit inside the area without keeping the aspect ratio, we
|
||||
* must compare the video aspect ratio with the area aspect ratio:
|
||||
* @code
|
||||
* int w = 200, h = 300; // an arbitrary value which represents the area where
|
||||
* // the video would be placed
|
||||
* int vw, vh;
|
||||
* double r, vr = emotion_object_ratio_get(obj);
|
||||
* r = (double)w / h;
|
||||
* @endcode
|
||||
*
|
||||
* Now, if we want to make the video fit inside the area, the following code
|
||||
* would do it:
|
||||
* @code
|
||||
* if (vr > r) // the video is wider than the area
|
||||
* {
|
||||
* vw = w;
|
||||
* vh = w / vr;
|
||||
* }
|
||||
* else // the video is taller than the area
|
||||
* {
|
||||
* vh = h;
|
||||
* vw = h * vr;
|
||||
* }
|
||||
* evas_object_resize(obj, vw, vh);
|
||||
* @endcode
|
||||
*
|
||||
* And for keeping the aspect ratio but making the video fill the entire area,
|
||||
* overflowing the content which can't fit inside it, we would do:
|
||||
* @code
|
||||
* if (vr > r) // the video is wider than the area
|
||||
* {
|
||||
* vh = h;
|
||||
* vw = h * vr;
|
||||
* }
|
||||
* else // the video is taller than the area
|
||||
* {
|
||||
* vw = w;
|
||||
* vh = w / vr;
|
||||
* }
|
||||
* evas_object_resize(obj, vw, vh);
|
||||
* @endcode
|
||||
*
|
||||
* Finally, by just resizing the video to the video area, we would have the
|
||||
* video stretched:
|
||||
* @code
|
||||
* vw = w;
|
||||
* vh = h;
|
||||
* evas_object_resize(obj, vw, vh);
|
||||
* @endcode
|
||||
*
|
||||
* The following diagram exemplifies what would happen to the video,
|
||||
* respectively, in each case:
|
||||
*
|
||||
* @image html emotion_ratio.png
|
||||
* @image latex emotion_ratio.eps width=\textwidth
|
||||
*
|
||||
* @note This function returns the aspect ratio that the video @b should be, but
|
||||
* sometimes the reported size from emotion_object_size_get() represents a
|
||||
* different aspect ratio. You can safely resize the video to respect the aspect
|
||||
|
|
|
|||
Loading…
Reference in New Issue