* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "main.h"
-
-#include "image-load.h"
#include "image-load-djvu.h"
+#include <config.h>
+
#ifdef HAVE_DJVU
+#include <cairo.h>
#include <libdjvu/ddjvuapi.h>
#include <libdjvu/miniexp.h>
+#include "image-load.h"
+
struct ImageLoaderDJVU {
ImageLoaderBackendCbAreaUpdated area_updated_cb;
ImageLoaderBackendCbSize size_cb;
gint page_total;
};
-static void free_buffer(guchar *pixels, gpointer UNUSED(data))
+static void free_buffer(guchar *pixels, gpointer)
{
g_free (pixels);;
}
-static gboolean image_loader_djvu_load(gpointer loader, const guchar *buf, gsize count, GError **UNUSED(error))
+static gboolean image_loader_djvu_load(gpointer loader, const guchar *buf, gsize count, GError **)
{
- ImageLoaderDJVU *ld = (ImageLoaderDJVU *) loader;
+ auto ld = static_cast<ImageLoaderDJVU *>(loader);
ddjvu_context_t *ctx;
ddjvu_document_t *doc;
ddjvu_page_t *page;
ddjvu_rect_t rrect;
ddjvu_rect_t prect;
ddjvu_format_t *fmt;
- gint width, height;
+ gint width;
+ gint height;
gint stride;
gboolean alpha = FALSE;
cairo_surface_t *surface;
guchar *pixels;
- ctx = ddjvu_context_create(NULL);
+ ctx = ddjvu_context_create(nullptr);
- doc = ddjvu_document_create(ctx, NULL, FALSE);
+ doc = ddjvu_document_create(ctx, nullptr, FALSE);
- ddjvu_stream_write(doc, 0, (char *)buf, count );
+ ddjvu_stream_write(doc, 0, reinterpret_cast<const char *>(buf), count );
while (!ddjvu_document_decoding_done(doc));
ld->page_total = ddjvu_document_get_pagenum(doc);
page = ddjvu_page_create_by_pageno(doc, ld->page_num);
while (!ddjvu_page_decoding_done(page));
- fmt = ddjvu_format_create(DDJVU_FORMAT_RGB24, 0, 0);
+ fmt = ddjvu_format_create(DDJVU_FORMAT_RGB24, 0, nullptr);
width = ddjvu_page_get_width(page);
height = ddjvu_page_get_height(page);
stride = width * 4;
- pixels = (guchar *)g_malloc(height * stride);
+ pixels = static_cast<guchar *>(g_malloc(height * stride));
prect.x = 0;
prect.y = 0;
surface = cairo_image_surface_create_for_data(pixels, CAIRO_FORMAT_RGB24, width, height, stride);
- ddjvu_page_render(page, DDJVU_RENDER_COLOR, &prect, &rrect, fmt, stride, (char *)pixels);
+ ddjvu_page_render(page, DDJVU_RENDER_COLOR, &prect, &rrect, fmt, stride, reinterpret_cast<char *>(pixels));
/**
* @FIXME implementation of rotation is not correct */
GdkPixbuf *tmp1;
GdkPixbuf *tmp2;
- tmp1 = gdk_pixbuf_new_from_data(pixels, GDK_COLORSPACE_RGB, alpha, 8, width, height, stride, free_buffer, NULL);
+ tmp1 = gdk_pixbuf_new_from_data(pixels, GDK_COLORSPACE_RGB, alpha, 8, width, height, stride, free_buffer, nullptr);
tmp2 = gdk_pixbuf_flip(tmp1, TRUE);
g_object_unref(tmp1);
static gpointer image_loader_djvu_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
{
- ImageLoaderDJVU *loader = g_new0(ImageLoaderDJVU, 1);
+ auto loader = g_new0(ImageLoaderDJVU, 1);
loader->area_updated_cb = area_updated_cb;
loader->size_cb = size_cb;
loader->area_prepared_cb = area_prepared_cb;
loader->data = data;
- return (gpointer) loader;
+ return loader;
}
static void image_loader_djvu_set_size(gpointer loader, int width, int height)
{
- ImageLoaderDJVU *ld = (ImageLoaderDJVU *) loader;
+ auto ld = static_cast<ImageLoaderDJVU *>(loader);
ld->requested_width = width;
ld->requested_height = height;
}
static GdkPixbuf* image_loader_djvu_get_pixbuf(gpointer loader)
{
- ImageLoaderDJVU *ld = (ImageLoaderDJVU *) loader;
+ auto ld = static_cast<ImageLoaderDJVU *>(loader);
return ld->pixbuf;
}
-static gchar* image_loader_djvu_get_format_name(gpointer UNUSED(loader))
+static gchar* image_loader_djvu_get_format_name(gpointer)
{
return g_strdup("djvu");
}
-static gchar** image_loader_djvu_get_format_mime_types(gpointer UNUSED(loader))
+static gchar** image_loader_djvu_get_format_mime_types(gpointer)
{
- static const gchar *mime[] = {"image/vnd.djvu", NULL};
+ static const gchar *mime[] = {"image/vnd.djvu", nullptr};
return g_strdupv(const_cast<gchar **>(mime));
}
static void image_loader_djvu_set_page_num(gpointer loader, gint page_num)
{
- ImageLoaderDJVU *ld = (ImageLoaderDJVU *) loader;
+ auto ld = static_cast<ImageLoaderDJVU *>(loader);
ld->page_num = page_num;
}
static gint image_loader_djvu_get_page_total(gpointer loader)
{
- ImageLoaderDJVU *ld = (ImageLoaderDJVU *) loader;
+ auto ld = static_cast<ImageLoaderDJVU *>(loader);
return ld->page_total;
}
-static gboolean image_loader_djvu_close(gpointer UNUSED(loader), GError **UNUSED(error))
+static gboolean image_loader_djvu_close(gpointer, GError **)
{
return TRUE;
}
static void image_loader_djvu_abort(gpointer loader)
{
- ImageLoaderDJVU *ld = (ImageLoaderDJVU *) loader;
+ auto ld = static_cast<ImageLoaderDJVU *>(loader);
ld->abort = TRUE;
}
static void image_loader_djvu_free(gpointer loader)
{
- ImageLoaderDJVU *ld = (ImageLoaderDJVU *) loader;
+ auto ld = static_cast<ImageLoaderDJVU *>(loader);
if (ld->pixbuf) g_object_unref(ld->pixbuf);
g_free(ld);
}
funcs->loader_new = image_loader_djvu_new;
funcs->set_size = image_loader_djvu_set_size;
funcs->load = image_loader_djvu_load;
- funcs->write = NULL;
+ funcs->write = nullptr;
funcs->get_pixbuf = image_loader_djvu_get_pixbuf;
funcs->close = image_loader_djvu_close;
funcs->abort = image_loader_djvu_abort;
projects / geeqie.git / blobdiff