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Refactored imlib context handling

This commit is contained in:
Bert 2011-02-25 12:08:12 +01:00
parent 62fb69b328
commit dafe7eac74
5 changed files with 55 additions and 38 deletions
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2
icon.h
View File

@ -1,6 +1,8 @@
#ifndef ICON_H #ifndef ICON_H
#define ICON_H #define ICON_H
#include <Imlib2.h>
static DATA32 icon_broken[] = { static DATA32 icon_broken[] = {
0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000,
0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000, 0xffcc0000,

70
image.c
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@ -17,7 +17,6 @@
*/ */
#include <unistd.h> #include <unistd.h>
#include <Imlib2.h>
#include "config.h" #include "config.h"
#include "icon.h" #include "icon.h"
@ -39,6 +38,7 @@ void img_init(img_t *img, win_t *win) {
im_broken = imlib_create_image_using_data(32, 32, icon_broken); im_broken = imlib_create_image_using_data(32, 32, icon_broken);
if (img) { if (img) {
img->im = NULL;
img->zoom = options->zoom; img->zoom = options->zoom;
img->zoom = MAX(img->zoom, zoom_min); img->zoom = MAX(img->zoom, zoom_min);
img->zoom = MIN(img->zoom, zoom_max); img->zoom = MIN(img->zoom, zoom_max);
@ -53,48 +53,38 @@ void img_init(img_t *img, win_t *win) {
} }
void img_free(img_t* img) { void img_free(img_t* img) {
if (img && img->valid && imlib_context_get_image())
imlib_free_image();
imlib_context_set_image(im_broken); imlib_context_set_image(im_broken);
imlib_free_image(); imlib_free_image();
} }
int _imlib_load_image(const char *filename) { int img_check(const char *filename) {
Imlib_Image *im; Imlib_Image *im;
if (!filename) if (!filename)
return 0; return 0;
if (access(filename, F_OK) || !(im = imlib_load_image(filename))) { if (!access(filename, F_OK) && (im = imlib_load_image(filename))) {
imlib_context_set_image(im);
imlib_image_set_changes_on_disk();
imlib_free_image();
return 1;
} else {
warn("could not open file: %s", filename); warn("could not open file: %s", filename);
return 0; return 0;
} }
imlib_context_set_image(im);
imlib_image_set_changes_on_disk();
return 1;
}
int img_check(const char *filename) {
int ret;
if ((ret = _imlib_load_image(filename)))
imlib_free_image();
return ret;
} }
int img_load(img_t *img, const char *filename) { int img_load(img_t *img, const char *filename) {
if (!img || !filename) if (!img || !filename)
return 0; return 0;
if (img->valid && imlib_context_get_image()) if (!access(filename, F_OK) && (img->im = imlib_load_image(filename))) {
imlib_free_image(); imlib_context_set_image(img->im);
imlib_image_set_changes_on_disk();
if ((img->valid = _imlib_load_image(filename))) {
imlib_context_set_anti_alias(img->aa); imlib_context_set_anti_alias(img->aa);
img->scalemode = options->scalemode; img->scalemode = options->scalemode;
} else { } else {
warn("could not open file: %s", filename);
imlib_context_set_image(im_broken); imlib_context_set_image(im_broken);
imlib_context_set_anti_alias(0); imlib_context_set_anti_alias(0);
img->scalemode = SCALE_DOWN; img->scalemode = SCALE_DOWN;
@ -109,6 +99,14 @@ int img_load(img_t *img, const char *filename) {
return 1; return 1;
} }
void img_close(img_t *img) {
if (img && img->im) {
imlib_context_set_image(img->im);
imlib_free_image();
img->im = NULL;
}
}
void img_check_pan(img_t *img, win_t *win) { void img_check_pan(img_t *img, win_t *win) {
if (!img || !win) if (!img || !win)
return; return;
@ -152,7 +150,7 @@ void img_render(img_t *img, win_t *win) {
int sx, sy, sw, sh; int sx, sy, sw, sh;
int dx, dy, dw, dh; int dx, dy, dw, dh;
if (!img || !win || !imlib_context_get_image()) if (!img || !win)
return; return;
if (img->scalemode != SCALE_ZOOM) { if (img->scalemode != SCALE_ZOOM) {
@ -198,6 +196,11 @@ void img_render(img_t *img, win_t *win) {
win_clear(win); win_clear(win);
if (img->im)
imlib_context_set_image(img->im);
else
imlib_context_set_image(im_broken);
imlib_context_set_drawable(win->pm); imlib_context_set_drawable(win->pm);
imlib_render_image_part_on_drawable_at_size(sx, sy, sw, sh, dx, dy, dw, dh); imlib_render_image_part_on_drawable_at_size(sx, sy, sw, sh, dx, dy, dw, dh);
@ -205,7 +208,7 @@ void img_render(img_t *img, win_t *win) {
} }
int img_fit_win(img_t *img, win_t *win) { int img_fit_win(img_t *img, win_t *win) {
if (!img || !img->valid || !win) if (!img || !img->im || !win)
return 0; return 0;
img->scalemode = SCALE_FIT; img->scalemode = SCALE_FIT;
@ -228,7 +231,7 @@ int img_center(img_t *img, win_t *win) {
} }
int img_zoom(img_t *img, float z) { int img_zoom(img_t *img, float z) {
if (!img || !img->valid) if (!img || !img->im)
return 0; return 0;
z = MAX(z, zoom_min); z = MAX(z, zoom_min);
@ -250,7 +253,7 @@ int img_zoom(img_t *img, float z) {
int img_zoom_in(img_t *img) { int img_zoom_in(img_t *img) {
int i; int i;
if (!img || !img->valid) if (!img || !img->im)
return 0; return 0;
for (i = 1; i < zl_cnt; ++i) { for (i = 1; i < zl_cnt; ++i) {
@ -263,7 +266,7 @@ int img_zoom_in(img_t *img) {
int img_zoom_out(img_t *img) { int img_zoom_out(img_t *img) {
int i; int i;
if (!img || !img->valid) if (!img || !img->im)
return 0; return 0;
for (i = zl_cnt - 2; i >= 0; --i) { for (i = zl_cnt - 2; i >= 0; --i) {
@ -276,7 +279,7 @@ int img_zoom_out(img_t *img) {
int img_move(img_t *img, win_t *win, int dx, int dy) { int img_move(img_t *img, win_t *win, int dx, int dy) {
int ox, oy; int ox, oy;
if (!img || !img->valid || !win) if (!img || !img->im || !win)
return 0; return 0;
ox = img->x; ox = img->x;
@ -291,7 +294,7 @@ int img_move(img_t *img, win_t *win, int dx, int dy) {
} }
int img_pan(img_t *img, win_t *win, pandir_t dir) { int img_pan(img_t *img, win_t *win, pandir_t dir) {
if (!img || !img->valid || !win) if (!img || !img->im || !win)
return 0; return 0;
switch (dir) { switch (dir) {
@ -311,12 +314,13 @@ int img_pan(img_t *img, win_t *win, pandir_t dir) {
void img_rotate(img_t *img, win_t *win, int d) { void img_rotate(img_t *img, win_t *win, int d) {
int ox, oy, tmp; int ox, oy, tmp;
if (!img || !img->valid || !win) if (!img || !img->im || !win)
return; return;
ox = d == 1 ? img->x : win->w - img->x - img->w * img->zoom; 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; oy = d == 3 ? img->y : win->h - img->y - img->h * img->zoom;
imlib_context_set_image(img->im);
imlib_image_orientate(d); imlib_image_orientate(d);
img->x = oy + (win->w - win->h) / 2; img->x = oy + (win->w - win->h) / 2;
@ -338,9 +342,9 @@ void img_rotate_right(img_t *img, win_t *win) {
} }
void img_toggle_antialias(img_t *img) { void img_toggle_antialias(img_t *img) {
if (!img || !img->valid) if (img && img->im) {
return;
img->aa ^= 1; img->aa ^= 1;
imlib_context_set_image(img->im);
imlib_context_set_anti_alias(img->aa); imlib_context_set_anti_alias(img->aa);
} }
}

6
image.h
View File

@ -19,6 +19,8 @@
#ifndef IMAGE_H #ifndef IMAGE_H
#define IMAGE_H #define IMAGE_H
#include <Imlib2.h>
#include "window.h" #include "window.h"
typedef enum scalemode_e { typedef enum scalemode_e {
@ -35,10 +37,11 @@ typedef enum pandir_e {
} pandir_t; } pandir_t;
typedef struct img_s { typedef struct img_s {
Imlib_Image *im;
float zoom; float zoom;
scalemode_t scalemode; scalemode_t scalemode;
unsigned char valid;
unsigned char re; unsigned char re;
unsigned char checkpan; unsigned char checkpan;
unsigned char aa; unsigned char aa;
@ -54,6 +57,7 @@ void img_free(img_t*);
int img_check(const char*); int img_check(const char*);
int img_load(img_t*, const char*); int img_load(img_t*, const char*);
void img_close(img_t*);
void img_render(img_t*, win_t*); void img_render(img_t*, win_t*);

6
main.c
View File

@ -62,6 +62,7 @@ void cleanup() {
static int in = 0; static int in = 0;
if (!in++) { if (!in++) {
img_close(&img);
img_free(&img); img_free(&img);
tns_free(&tns, &win); tns_free(&tns, &win);
win_close(&win); win_close(&win);
@ -71,6 +72,8 @@ void cleanup() {
int load_image() { int load_image() {
struct stat fstats; struct stat fstats;
img_close(&img);
if (!stat(filenames[fileidx], &fstats)) if (!stat(filenames[fileidx], &fstats))
filesize = fstats.st_size; filesize = fstats.st_size;
else else
@ -158,7 +161,7 @@ void update_title() {
tns.cnt ? tns.sel + 1 : 0, tns.cnt, tns.cnt ? tns.sel + 1 : 0, tns.cnt,
tns.cnt ? filenames[tns.sel] : ""); tns.cnt ? filenames[tns.sel] : "");
} else { } else {
if (img.valid) { if (img.im) {
size = filesize; size = filesize;
size_readable(&size, &unit); size_readable(&size, &unit);
n = snprintf(win_title, TITLE_LEN, "sxiv: [%d/%d] <%d%%> (%.2f%s) %s", n = snprintf(win_title, TITLE_LEN, "sxiv: [%d/%d] <%d%%> (%.2f%s) %s",
@ -388,6 +391,7 @@ void on_keypress(XKeyEvent *kev) {
case XK_Return: case XK_Return:
if (!tns.thumbs) if (!tns.thumbs)
tns_init(&tns, filecnt); tns_init(&tns, filecnt);
img_close(&img);
mode = MODE_THUMBS; mode = MODE_THUMBS;
win_set_cursor(&win, CURSOR_ARROW); win_set_cursor(&win, CURSOR_ARROW);
timo_cursor = 0; timo_cursor = 0;

5
thumbs.c
View File

@ -79,10 +79,13 @@ void tns_load(tns_t *tns, win_t *win, const char *filename) {
t->pm = win_create_pixmap(win, t->w, t->h); t->pm = win_create_pixmap(win, t->w, t->h);
imlib_context_set_drawable(t->pm); imlib_context_set_drawable(t->pm);
imlib_context_set_anti_alias(1);
imlib_render_image_part_on_drawable_at_size(0, 0, w, h, imlib_render_image_part_on_drawable_at_size(0, 0, w, h,
0, 0, t->w, t->h); 0, 0, t->w, t->h);
imlib_free_image();
tns->dirty = 1; tns->dirty = 1;
if (im)
imlib_free_image();
} }
void tns_check_view(tns_t *tns, Bool scrolled) { void tns_check_view(tns_t *tns, Bool scrolled) {