#include "intl.h"
#include "misc.h"
+namespace
+{
+
struct ImageLoaderJ2K {
ImageLoaderBackendCbAreaUpdated area_updated_cb;
ImageLoaderBackendCbSize size_cb;
gboolean abort;
};
-static void free_buffer(guchar *pixels, gpointer)
+void free_buffer(guchar *pixels, gpointer)
{
g_free (pixels);
}
struct opj_buffer_info_t {
- OPJ_BYTE* buf;
- OPJ_BYTE* cur;
- OPJ_SIZE_T len;
+ OPJ_BYTE* buf;
+ OPJ_BYTE* cur;
+ OPJ_SIZE_T len;
};
-static OPJ_SIZE_T opj_read_from_buffer (void* pdst, OPJ_SIZE_T len, opj_buffer_info_t* psrc)
+OPJ_SIZE_T opj_read_from_buffer (void* pdst, OPJ_SIZE_T len, opj_buffer_info_t* psrc)
{
- OPJ_SIZE_T n = psrc->buf + psrc->len - psrc->cur;
+ OPJ_SIZE_T n = psrc->buf + psrc->len - psrc->cur;
- if (n) {
- if (n > len)
- n = len;
+ if (n)
+ {
+ if (n > len)
+ n = len;
- memcpy (pdst, psrc->cur, n);
- psrc->cur += n;
- }
- else
- n = static_cast<OPJ_SIZE_T>(-1);
+ memcpy (pdst, psrc->cur, n);
+ psrc->cur += n;
+ }
+ else
+ n = static_cast<OPJ_SIZE_T>(-1);
- return n;
+ return n;
}
-static OPJ_SIZE_T opj_write_to_buffer (void* p_buffer, OPJ_SIZE_T p_nb_bytes,
+OPJ_SIZE_T opj_write_to_buffer (void* p_buffer, OPJ_SIZE_T p_nb_bytes,
opj_buffer_info_t* p_source_buffer)
{
- void* pbuf = p_source_buffer->buf;
- void* pcur = p_source_buffer->cur;
+ void* pbuf = p_source_buffer->buf;
+ void* pcur = p_source_buffer->cur;
- OPJ_SIZE_T len = p_source_buffer->len;
+ OPJ_SIZE_T len = p_source_buffer->len;
- if (0 == len)
- len = 1;
+ if (0 == len)
+ len = 1;
- OPJ_SIZE_T dist = static_cast<guchar *>(pcur) - static_cast<guchar *>(pbuf);
- OPJ_SIZE_T n = len - dist;
- g_assert (dist <= len);
+ OPJ_SIZE_T dist = static_cast<guchar *>(pcur) - static_cast<guchar *>(pbuf);
+ OPJ_SIZE_T n = len - dist;
+ g_assert (dist <= len);
- while (n < p_nb_bytes) {
- len *= 2;
- n = len - dist;
- }
+ while (n < p_nb_bytes)
+ {
+ len *= 2;
+ n = len - dist;
+ }
- if (len != p_source_buffer->len) {
- pbuf = malloc (len);
+ if (len != p_source_buffer->len)
+ {
+ pbuf = malloc (len);
- if (nullptr == pbuf)
- return static_cast<OPJ_SIZE_T>(-1);
+ if (nullptr == pbuf)
+ return static_cast<OPJ_SIZE_T>(-1);
- if (p_source_buffer->buf) {
- memcpy (pbuf, p_source_buffer->buf, dist);
- free (p_source_buffer->buf);
- }
+ if (p_source_buffer->buf)
+ {
+ memcpy (pbuf, p_source_buffer->buf, dist);
+ free (p_source_buffer->buf);
+ }
- p_source_buffer->buf = static_cast<OPJ_BYTE *>(pbuf);
- p_source_buffer->cur = static_cast<guchar *>(pbuf) + dist;
- p_source_buffer->len = len;
- }
+ p_source_buffer->buf = static_cast<OPJ_BYTE *>(pbuf);
+ p_source_buffer->cur = static_cast<guchar *>(pbuf) + dist;
+ p_source_buffer->len = len;
+ }
- memcpy (p_source_buffer->cur, p_buffer, p_nb_bytes);
- p_source_buffer->cur += p_nb_bytes;
+ memcpy (p_source_buffer->cur, p_buffer, p_nb_bytes);
+ p_source_buffer->cur += p_nb_bytes;
- return p_nb_bytes;
+ return p_nb_bytes;
}
-static OPJ_SIZE_T opj_skip_from_buffer (OPJ_SIZE_T len, opj_buffer_info_t* psrc)
+OPJ_SIZE_T opj_skip_from_buffer (OPJ_SIZE_T len, opj_buffer_info_t* psrc)
{
- OPJ_SIZE_T n = psrc->buf + psrc->len - psrc->cur;
+ OPJ_SIZE_T n = psrc->buf + psrc->len - psrc->cur;
- if (n) {
- if (n > len)
- n = len;
+ if (n)
+ {
+ if (n > len)
+ n = len;
- psrc->cur += len;
- }
- else
- n = static_cast<OPJ_SIZE_T>(-1);
+ psrc->cur += len;
+ }
+ else
+ n = static_cast<OPJ_SIZE_T>(-1);
- return n;
+ return n;
}
-static OPJ_BOOL opj_seek_from_buffer (OPJ_OFF_T len, opj_buffer_info_t* psrc)
+OPJ_BOOL opj_seek_from_buffer (OPJ_OFF_T len, opj_buffer_info_t* psrc)
{
- OPJ_SIZE_T n = psrc->len;
+ OPJ_SIZE_T n = psrc->len;
- if (n > static_cast<gulong>(len))
- n = len;
+ if (n > static_cast<gulong>(len))
+ n = len;
- psrc->cur = psrc->buf + n;
+ psrc->cur = psrc->buf + n;
- return OPJ_TRUE;
+ return OPJ_TRUE;
}
opj_stream_t* OPJ_CALLCONV opj_stream_create_buffer_stream (opj_buffer_info_t* psrc, OPJ_BOOL input)
{
- if (!psrc)
- return nullptr;
+ if (!psrc)
+ return nullptr;
- opj_stream_t* ps = opj_stream_default_create (input);
+ opj_stream_t* ps = opj_stream_default_create (input);
- if (nullptr == ps)
- return nullptr;
+ if (nullptr == ps)
+ return nullptr;
- opj_stream_set_user_data (ps, psrc, nullptr);
- opj_stream_set_user_data_length (ps, psrc->len);
+ opj_stream_set_user_data (ps, psrc, nullptr);
+ opj_stream_set_user_data_length (ps, psrc->len);
- if (input)
- opj_stream_set_read_function (
- ps, reinterpret_cast<opj_stream_read_fn>(opj_read_from_buffer));
- else
- opj_stream_set_write_function(
- ps,reinterpret_cast<opj_stream_write_fn>(opj_write_to_buffer));
+ if (input)
+ opj_stream_set_read_function (
+ ps, reinterpret_cast<opj_stream_read_fn>(opj_read_from_buffer));
+ else
+ opj_stream_set_write_function(
+ ps,reinterpret_cast<opj_stream_write_fn>(opj_write_to_buffer));
- opj_stream_set_skip_function (
- ps, reinterpret_cast<opj_stream_skip_fn>(opj_skip_from_buffer));
+ opj_stream_set_skip_function (
+ ps, reinterpret_cast<opj_stream_skip_fn>(opj_skip_from_buffer));
- opj_stream_set_seek_function (
- ps, reinterpret_cast<opj_stream_seek_fn>(opj_seek_from_buffer));
+ opj_stream_set_seek_function (
+ ps, reinterpret_cast<opj_stream_seek_fn>(opj_seek_from_buffer));
- return ps;
+ return ps;
}
-static gboolean image_loader_j2k_load(gpointer loader, const guchar *buf, gsize count, GError **)
+gboolean image_loader_j2k_write(gpointer loader, const guchar *buf, gsize &chunk_size, gsize count, GError **)
{
auto ld = static_cast<ImageLoaderJ2K *>(loader);
opj_stream_t *stream;
if (stream)
opj_stream_destroy (stream);
+ chunk_size = count;
return TRUE;
}
-static gpointer image_loader_j2k_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
+gpointer image_loader_j2k_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
{
auto loader = g_new0(ImageLoaderJ2K, 1);
loader->area_updated_cb = area_updated_cb;
return loader;
}
-static void image_loader_j2k_set_size(gpointer loader, int width, int height)
+void image_loader_j2k_set_size(gpointer loader, int width, int height)
{
auto ld = static_cast<ImageLoaderJ2K *>(loader);
ld->requested_width = width;
ld->requested_height = height;
}
-static GdkPixbuf* image_loader_j2k_get_pixbuf(gpointer loader)
+GdkPixbuf* image_loader_j2k_get_pixbuf(gpointer loader)
{
auto ld = static_cast<ImageLoaderJ2K *>(loader);
return ld->pixbuf;
}
-static gchar* image_loader_j2k_get_format_name(gpointer)
+gchar* image_loader_j2k_get_format_name(gpointer)
{
return g_strdup("j2k");
}
-static gchar** image_loader_j2k_get_format_mime_types(gpointer)
+gchar** image_loader_j2k_get_format_mime_types(gpointer)
{
static const gchar *mime[] = {"image/jp2", nullptr};
return g_strdupv(const_cast<gchar **>(mime));
}
-static gboolean image_loader_j2k_close(gpointer, GError **)
+gboolean image_loader_j2k_close(gpointer, GError **)
{
return TRUE;
}
-static void image_loader_j2k_abort(gpointer loader)
+void image_loader_j2k_abort(gpointer loader)
{
auto ld = static_cast<ImageLoaderJ2K *>(loader);
ld->abort = TRUE;
}
-static void image_loader_j2k_free(gpointer loader)
+void image_loader_j2k_free(gpointer loader)
{
auto ld = static_cast<ImageLoaderJ2K *>(loader);
if (ld->pixbuf) g_object_unref(ld->pixbuf);
g_free(ld);
}
+} // namespace
+
void image_loader_backend_set_j2k(ImageLoaderBackend *funcs)
{
funcs->loader_new = image_loader_j2k_new;
funcs->set_size = image_loader_j2k_set_size;
- funcs->load = image_loader_j2k_load;
- funcs->write = nullptr;
+ funcs->write = image_loader_j2k_write;
funcs->get_pixbuf = image_loader_j2k_get_pixbuf;
funcs->close = image_loader_j2k_close;
funcs->abort = image_loader_j2k_abort;
projects / geeqie.git / blobdiff