Apply flip & rotation on all frames of a multi-frame image; fixes issue #121

This commit is contained in:
Bert Münnich 2014-01-09 00:01:57 +01:00
parent e82397db15
commit f795273b65
3 changed files with 30 additions and 11 deletions

32
image.c
View File

@ -337,6 +337,8 @@ bool img_load(img_t *img, const fileinfo_t *file)
img->w = imlib_image_get_width();
img->h = imlib_image_get_height();
img->flip = FLIP_NONE;
img->rotation = DEGREE_0;
img->scalemode = options->scalemode;
img->re = false;
img->checkpan = false;
@ -689,10 +691,14 @@ bool img_pan_edge(img_t *img, direction_t dir)
void img_rotate(img_t *img, degree_t d)
{
int ox, oy, tmp;
bool reapply = d == -1;
if (img == NULL || img->im == NULL || img->win == NULL)
return;
if (reapply)
d = img->rotation;
imlib_context_set_image(img->im);
imlib_image_orientate(d);
@ -708,25 +714,29 @@ void img_rotate(img_t *img, degree_t d)
img->h = tmp;
img->checkpan = true;
}
if (!reapply)
img->rotation = (img->rotation + d) % 4;
img->dirty = true;
}
void img_flip(img_t *img, flipdir_t d)
{
bool reapply = d == -1;
if (img == NULL || img->im == NULL)
return;
if (reapply)
d = img->flip;
imlib_context_set_image(img->im);
switch (d) {
case FLIP_HORIZONTAL:
imlib_image_flip_horizontal();
break;
case FLIP_VERTICAL:
imlib_image_flip_vertical();
break;
}
if (d & FLIP_HORIZONTAL)
imlib_image_flip_horizontal();
if (d & FLIP_VERTICAL)
imlib_image_flip_vertical();
if (!reapply)
img->flip ^= d;
img->dirty = true;
}
@ -785,6 +795,10 @@ bool img_frame_goto(img_t *img, int n)
img->checkpan = true;
img->dirty = true;
if (img->flip != FLIP_NONE)
img_flip(img, -1);
if (img->rotation != DEGREE_0)
img_rotate(img, -1);
return true;
}

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@ -57,6 +57,9 @@ typedef struct {
bool aa;
bool alpha;
flipdir_t flip;
degree_t rotation;
Imlib_Color_Modifier cmod;
int gamma;

View File

@ -39,14 +39,16 @@ typedef enum {
} direction_t;
typedef enum {
DEGREE_0 = 0,
DEGREE_90 = 1,
DEGREE_180 = 2,
DEGREE_270 = 3
} degree_t;
typedef enum {
FLIP_HORIZONTAL,
FLIP_VERTICAL
FLIP_NONE = 0,
FLIP_HORIZONTAL = 1,
FLIP_VERTICAL = 2
} flipdir_t;
typedef enum {