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Refactored merged rotation code

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This commit is contained in:
Bert Münnich 2013-08-10 15:55:18 +02:00
parent 7e51c35801
commit 56142bd3ba
5 changed files with 20 additions and 30 deletions
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17
commands.c
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@ -397,21 +397,14 @@ bool i_fit_to_img(arg_t a)
bool i_rotate(arg_t a)
{
rotate_t rot = (rotate_t) a;
degree_t degree = (degree_t) a;
if (mode == MODE_IMAGE) {
if (rot == ROTATE_90) {
img_rotate(&img, 1);
return true;
} else if (rot == ROTATE_270) {
img_rotate(&img, 3);
return true;
} else if (rot == ROTATE_180) {
img_rotate(&img, 2);
return true;
}
img_rotate(&img, degree);
return true;
} else {
return false;
}
return false;
}
bool i_flip(arg_t a)

6
config.def.h
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@ -114,9 +114,9 @@ static const keymap_t keys[] = {
{ false, XK_E, i_fit_to_win, (arg_t) SCALE_HEIGHT },
{ false, XK_W, i_fit_to_img, (arg_t) None },
{ false, XK_less, i_rotate, (arg_t) ROTATE_270 },
{ false, XK_greater, i_rotate, (arg_t) ROTATE_90 },
{ false, XK_question, i_rotate, (arg_t) ROTATE_180 },
{ false, XK_less, i_rotate, (arg_t) DEGREE_270 },
{ false, XK_greater, i_rotate, (arg_t) DEGREE_90 },
{ false, XK_question, i_rotate, (arg_t) DEGREE_180 },
{ false, XK_backslash, i_flip, (arg_t) FLIP_HORIZONTAL },
{ false, XK_bar, i_flip, (arg_t) FLIP_VERTICAL },

17
image.c
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@ -650,25 +650,22 @@ bool img_pan_edge(img_t *img, direction_t dir)
}
}
void img_rotate(img_t *img, int d)
void img_rotate(img_t *img, degree_t d)
{
win_t *win;
int ox, oy, tmp;
if (img == NULL || img->im == NULL || img->win == NULL)
return;
win = img->win;
ox = d == 1 ? img->x : win->w - img->x - img->w * img->zoom;
oy = d == 3 ? img->y : win->h - img->y - img->h * img->zoom;
imlib_context_set_image(img->im);
/* rotates by `90 * d` degrees in the clockwise direction */
imlib_image_orientate(d);
if (d == 1 || d == 3) {
img->x = oy + (win->w - win->h) / 2;
img->y = ox + (win->h - win->w) / 2;
if (d == DEGREE_90 || d == DEGREE_270) {
ox = d == DEGREE_90 ? img->x : img->win->w - img->x - img->w * img->zoom;
oy = d == DEGREE_270 ? img->y : img->win->h - img->y - img->h * img->zoom;
img->x = oy + (img->win->w - img->win->h) / 2;
img->y = ox + (img->win->h - img->win->w) / 2;
tmp = img->w;
img->w = img->h;

2
image.h
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@ -76,7 +76,7 @@ bool img_move(img_t*, float, float);
bool img_pan(img_t*, direction_t, int);
bool img_pan_edge(img_t*, direction_t);
void img_rotate(img_t*, int);
void img_rotate(img_t*, degree_t);
void img_flip(img_t*, flipdir_t);
void img_toggle_antialias(img_t*);

8
types.h
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@ -39,10 +39,10 @@ typedef enum {
} direction_t;
typedef enum {
ROTATE_90,
ROTATE_270,
ROTATE_180
} rotate_t;
DEGREE_90 = 1,
DEGREE_180 = 2,
DEGREE_270 = 3
} degree_t;
typedef enum {
FLIP_HORIZONTAL,