void slideshow_save_image(winwidget win)
{
char *tmpname;
Imlib_Load_Error err;
if (win->file) {
tmpname = feh_unique_filename("", FEH_FILE(win->file->data)->name);
} else if (mode) {
char *tmp;
tmp = estrjoin(".", mode, "png", NULL);
tmpname = feh_unique_filename("", tmp);
free(tmp);
} else {
tmpname = feh_unique_filename("", "noname.png");
}
if (opt.verbose)
printf("saving image to filename '%s'\n", tmpname);
/* XXX gib_imlib_save_image_with_error_return breaks with *.XXX and
* similar because it tries to set the image format, which only works
* with .xxx .
* So we leave that part out.
*/
imlib_context_set_image(win->im);
imlib_save_image_with_error_return(tmpname, &err);
if (err)
im_weprintf(win, "Can't save image %s:", tmpname);
free(tmpname);
return;
}
static inline void save2path( img_t *img, const char *path, ImlibLoadError *err )
{
// set quality
imlib_image_attach_data_value( "quality", NULL, img->quality, NULL );
imlib_image_set_format( img->format );
imlib_save_image_with_error_return( path, err );
imlib_free_image_and_decache();
}
void
gib_imlib_save_image_with_error_return(Imlib_Image im, char *file,
Imlib_Load_Error * error_return)
{
char *tmp;
imlib_context_set_image(im);
tmp = strrchr(file, '.');
if (tmp)
imlib_image_set_format(tmp + 1);
imlib_save_image_with_error_return(file, error_return);
}
/*
* XXX gib_imlib_save_image_with_error_return breaks with *.END and
* similar because it tries to set the image format, which only works
* with .end .
* So we leave that part out.
*/
void ungib_imlib_save_image_with_error_return(Imlib_Image im, char *file,
Imlib_Load_Error * error_return)
{
char *tmp;
imlib_context_set_image(im);
tmp = strrchr(file, '.');
if (tmp) {
char *p, *pp;
p = gib_estrdup(tmp + 1);
pp = p;
while(*pp) {
*pp = tolower(*pp);
pp++;
}
imlib_image_set_format(p);
gib_efree(p);
}
imlib_save_image_with_error_return(file, error_return);
}
static inline PyObject *
ImageObject_save(PyObject* self, PyObject *args)
{
char *filename, *ext;
Imlib_Load_Error error = IMLIB_LOAD_ERROR_NONE;
if (!PyArg_ParseTuple(args, "ss:save", &filename, &ext)){
return NULL;
}
imlib_context_set_image(((ImageObject *)self)->image);
imlib_image_set_format(ext);
imlib_save_image_with_error_return(filename, &error);
CHECK_LOAD_ERROR(error);
Py_RETURN_NONE;
}
/* save image to file */
void save_image(const char *image_type, Imlib_Image *image, const char *fmt,
const char *filename, int flags)
{
const char *tmp;
Imlib_Image *current_image;
Imlib_Load_Error save_error=0;
const char *const stdout_file = "/proc/self/fd/1";
current_image = imlib_context_get_image();
imlib_context_set_image(image);
/* interpret - as STDOUT */
if(strcmp("-", filename) == 0)
filename = stdout_file;
/* get file format for image */
if(fmt) { /* use provided format string */
tmp = fmt;
} else { /* use file name extension */
tmp = strrchr(filename, '.');
if(tmp)
tmp++;
}
if(tmp) {
if(flags & VERBOSE)
fprintf(stderr, "using %s format for %s image\n", tmp, image_type);
imlib_image_set_format(tmp);
} else { /* use png as default */
if(flags & VERBOSE)
fprintf(stderr, "using png format for %s image\n", image_type);
imlib_image_set_format("png");
}
/* write image to disk */
if(flags & VERBOSE)
fprintf(stderr, "writing %s image to file %s\n", image_type, filename);
imlib_save_image_with_error_return(filename, &save_error);
if(save_error && save_error != IMLIB_LOAD_ERROR_NONE) {
fprintf(stderr, "error saving image file %s\n", filename);
report_imlib_error(save_error);
}
imlib_context_set_image(current_image);
}
ngx_int_t ngx_http_small_light_imlib2_process(ngx_http_request_t *r, ngx_http_small_light_ctx_t *ctx)
{
ngx_http_small_light_imlib2_ctx_t *ictx;
ngx_http_small_light_image_size_t sz;
Imlib_Image image_org, image_dst, image_tmp;
Imlib_Load_Error err;
ngx_file_info_t fi;
ngx_fd_t fd;
char *filename, *sharpen, *blur, *of, *buf;
void *data;
int w, h, radius, orientation;
double iw, ih, q;
ngx_int_t type;
const char *ext;
ssize_t size;
ictx = (ngx_http_small_light_imlib2_ctx_t *)ctx->ictx;
filename = (char *)ictx->tf->file.name.data;
/* adjust image size */
ngx_http_small_light_calc_image_size(r, ctx, &sz, 10000.0, 10000.0);
if (sz.jpeghint_flg != 0) {
if (ngx_http_small_light_load_jpeg((void**)&data, &w, &h, r, filename, sz.dw, sz.dh) != NGX_OK) {
image_org = imlib_load_image_immediately_without_cache(filename);
if (image_org == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to load image %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
} else {
image_org = imlib_create_image_using_data(w, h, data);
}
} else {
image_org = imlib_load_image_immediately_without_cache(filename);
if (image_org == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to load image %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
}
/* rotate. */
if (sz.angle) {
orientation = 0;
switch (sz.angle) {
case 90:
orientation = 1;
break;
case 180:
orientation = 2;
break;
case 270:
orientation = 3;
break;
default:
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"image not rotated. 'angle'(%d) must be 90 or 180 or 270. %s:%d",
sz.angle,
__FUNCTION__,
__LINE__);
break;
}
imlib_context_set_image(image_org);
imlib_image_orientate(orientation);
}
/* calc size. */
imlib_context_set_image(image_org);
iw = (double)imlib_image_get_width();
ih = (double)imlib_image_get_height();
ngx_http_small_light_calc_image_size(r, ctx, &sz, iw, ih);
/* pass through. */
if (sz.pt_flg != 0) {
ctx->of = ctx->inf;
return NGX_OK;
}
/* crop, scale. */
if (sz.scale_flg != 0) {
image_dst = imlib_create_cropped_scaled_image((int)sz.sx, (int)sz.sy, (int)sz.sw, (int)sz.sh, (int)sz.dw, (int)sz.dh);
imlib_context_set_image(image_org);
imlib_free_image();
} else {
image_dst = image_org;
}
if (image_dst == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"imlib_create_cropped_scaled_image failed. %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
/* create canvas then draw image to the canvas. */
if (sz.cw > 0.0 && sz.ch > 0.0) {
image_tmp = imlib_create_image(sz.cw, sz.ch);
if (image_tmp == NULL) {
imlib_context_set_image(image_dst);
imlib_free_image();
return NGX_ERROR;
}
imlib_context_set_image(image_tmp);
imlib_context_set_color(sz.cc.r, sz.cc.g, sz.cc.b, sz.cc.a);
imlib_image_fill_rectangle(0, 0, sz.cw, sz.ch);
imlib_blend_image_onto_image(image_dst, 255, 0, 0,
(int)sz.dw, (int)sz.dh, (int)sz.dx, (int)sz.dy, (int)sz.dw, (int)sz.dh);
imlib_context_set_image(image_dst);
imlib_free_image();
image_dst = image_tmp;
}
/* effects. */
sharpen = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "sharpen");
if (sharpen) {
radius = ngx_http_small_light_parse_int(sharpen);
if (radius > 0) {
imlib_context_set_image(image_dst);
imlib_image_sharpen(radius);
}
}
blur = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "blur");
if (blur) {
radius = ngx_http_small_light_parse_int(blur);
if (radius > 0) {
imlib_context_set_image(image_dst);
imlib_image_blur(radius);
}
}
/* border. */
if (sz.bw > 0.0 || sz.bh > 0.0) {
imlib_context_set_color(sz.bc.r, sz.bc.g, sz.bc.b, sz.bc.a);
imlib_context_set_image(image_dst);
if (sz.cw > 0.0 && sz.ch > 0.0) {
imlib_image_fill_rectangle(0, 0, sz.cw, sz.bh);
imlib_image_fill_rectangle(0, 0, sz.bw, sz.ch);
imlib_image_fill_rectangle(0, sz.ch - sz.bh, sz.cw, sz.bh);
imlib_image_fill_rectangle(sz.cw - sz.bw, 0, sz.bw, sz.ch);
} else {
imlib_image_fill_rectangle(0, 0, sz.dw, sz.bh);
imlib_image_fill_rectangle(0, 0, sz.bw, sz.ch);
imlib_image_fill_rectangle(0, sz.dh - sz.bh, sz.dw, sz.bh);
imlib_image_fill_rectangle(sz.dw - sz.bw, 0, sz.bw, sz.dh);
}
}
/* set params. */
imlib_context_set_image(image_dst);
q = ngx_http_small_light_parse_double(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "q"));
if (q > 0.0) {
imlib_image_attach_data_value("quality", NULL, q, NULL);
}
of = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "of");
if (ngx_strlen(of) > 0) {
type = ngx_http_small_light_type(of);
if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_NONE) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"of is invalid(%s) %s:%d",
of,
__FUNCTION__,
__LINE__);
of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
} else if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_WEBP) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"WebP is not supported %s:%d",
__FUNCTION__,
__LINE__);
of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
} else {
ictx->type = type;
}
imlib_image_set_format(of);
ctx->of = ngx_http_small_light_image_types[ictx->type - 1];
} else {
ext = ngx_http_small_light_image_exts[ictx->type - 1];
imlib_image_set_format(ext);
ctx->of = ctx->inf;
}
/* save image. */
imlib_save_image_with_error_return(filename, &err);
imlib_free_image();
/* check error. */
if (err != IMLIB_LOAD_ERROR_NONE) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to imlib_save_error %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
if (ngx_file_info(filename, &fi) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to ngx_file_info %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
fd = ngx_open_file(filename, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
if (fd == NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to open fd %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to ngx_fd_info %s:%d",
__FUNCTION__,
__LINE__);
ngx_close_file(fd);
return NGX_ERROR;
}
buf = ngx_palloc(r->pool, ngx_file_size(&fi));
if (buf == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to allocate memory from r->pool %s:%d",
__FUNCTION__,
__LINE__);
ngx_close_file(fd);
return NGX_ERROR;
}
size = ngx_read_fd(fd, buf, ngx_file_size(&fi));
if (size == -1) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to ngx_read_fd %s:%d",
__FUNCTION__,
__LINE__);
ngx_close_file(fd);
return NGX_ERROR;
}
if ((size_t)size > ctx->content_length) {
ctx->content = ngx_palloc(r->pool, size);
if (ctx->content == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to allocate memory from r->pool %s:%d",
__FUNCTION__,
__LINE__);
ngx_close_file(fd);
return NGX_ERROR;
}
}
ngx_memcpy(ctx->content, buf, size);
ngx_close_file(fd);
ctx->content_length = size;
return NGX_OK;
}
