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Providing more API to plugins. 

- Now it's possible to access the ecore_evas used to generate the
thumbnails (and use functions like ecore_evas_buffer_pixels_get() ont it);
- Functions to calculate aspect and fill area using the aspect ratio as
argument are also provided.



SVN revision: 41288
This commit is contained in:
Rafael Antognolli 2009-07-09 19:42:18 +00:00
parent 116c7d3266
commit 6a060751f8
2 changed files with 55 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
legacy/ethumb/src/lib/Ethumb.c
View File

@ -791,47 +791,79 @@ ethumb_thumb_path_get(Ethumb *e, const char **path, const char **key)
}
void
ethumb_calculate_aspect(Ethumb *e, int iw, int ih, int *w, int *h)
ethumb_calculate_aspect_from_ratio(Ethumb *e, float ia, int *w, int *h)
{
float a;
*w = e->tw;
*h = e->th;
if (ia == 0)
return;
a = e->tw / (float)e->th;
if (e->aspect == ETHUMB_THUMB_KEEP_ASPECT)
{
if ((iw > ih && e->tw > 0) || e->th <= 0)
*h = (e->tw * ih) / iw;
if ((ia > a && e->tw > 0) || e->th <= 0)
*h = e->tw / ia;
else
*w = (e->th * iw) / ih;
*w = e->th * ia;
}
}
void
ethumb_calculate_fill(Ethumb *e, int iw, int ih, int *fx, int *fy, int *fw, int *fh)
ethumb_calculate_aspect(Ethumb *e, int iw, int ih, int *w, int *h)
{
float ia;
ia = iw / (float)ih;
ethumb_calculate_aspect_from_ratio(e, ia, w, h);
}
void
ethumb_calculate_fill_from_ratio(Ethumb *e, float ia, int *fx, int *fy, int *fw, int *fh)
{
float a;
if (ia == 0)
return;
*fw = e->tw;
*fh = e->th;
*fx = 0;
*fy = 0;
a = e->tw / (float)e->th;
if (e->aspect == ETHUMB_THUMB_CROP)
{
if ((iw > ih && e->tw > 0) || e->th <= 0)
*fw = (e->th * iw) / ih;
if ((ia > a && e->tw > 0) || e->th <= 0)
*fw = e->th * ia;
else
*fh = (e->tw * ih) / iw;
*fh = e->tw / ia;
*fx = - e->crop_x * (*fw - e->tw);
*fy = - e->crop_y * (*fh - e->th);
}
else if (e->aspect == ETHUMB_THUMB_KEEP_ASPECT)
{
if ((iw > ih && e->tw > 0) || e->th <= 0)
*fh = (e->tw * ih) / iw;
if ((ia > a && e->tw > 0) || e->th <= 0)
*fh = e->tw / ia;
else
*fw = (e->th * iw) / ih;
*fw = e->th * ia;
}
}
void
ethumb_calculate_fill(Ethumb *e, int iw, int ih, int *fx, int *fy, int *fw, int *fh)
{
float ia;
ia = iw / (float)ih;
ethumb_calculate_fill_from_ratio(e, ia, fx, fy, fw, fh);
}
static Eina_Bool
_ethumb_plugin_generate(Ethumb *e)
{
@ -1099,3 +1131,11 @@ ethumb_evas_get(const Ethumb *e)
return e->sub_e;
}
Ecore_Evas *
ethumb_ecore_evas_get(const Ethumb *e)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(e, NULL);
return e->sub_ee;
}

4
legacy/ethumb/src/lib/Ethumb_Plugin.h
View File

@ -4,6 +4,7 @@
#include <Ethumb.h>
#include <Eina.h>
#include <Evas.h>
#include <Ecore_Evas.h>
typedef struct _Ethumb_Plugin Ethumb_Plugin;
@ -13,11 +14,14 @@ struct _Ethumb_Plugin
void (*generate_thumb)(Ethumb *);
};
void ethumb_calculate_aspect_from_ratio(Ethumb *e, float ia, int *w, int *h);
void ethumb_calculate_aspect(Ethumb *e, int iw, int ih, int *w, int *h);
void ethumb_calculate_fill_from_ratio(Ethumb *e, float ia, int *fx, int *fy, int *fw, int *fh);
void ethumb_calculate_fill(Ethumb *e, int iw, int ih, int *fx, int *fy, int *fw, int *fh);
Eina_Bool ethumb_plugin_image_resize(Ethumb *e, int w, int h);
Eina_Bool ethumb_image_save(Ethumb *e);
void ethumb_finished_callback_call(Ethumb *e, int result);
Evas * ethumb_evas_get(const Ethumb *e);
Ecore_Evas * ethumb_ecore_evas_get(const Ethumb *e);
#endif /* _ETHUMB_PLUGIN_H_ */