#include <config.h>
#include "ev-pixbuf-cache.h"
#include "ev-job-scheduler.h"
-#include "ev-mapping.h"
-#include "ev-document-forms.h"
-#include "ev-document-images.h"
-#include "ev-document-annotations.h"
#include "ev-view-private.h"
typedef struct _CacheJobInfo
gboolean page_ready;
/* Region of the page that needs to be drawn */
- GdkRegion *region;
+ cairo_region_t *region;
/* Data we get from rendering */
cairo_surface_t *surface;
gboolean points_set;
cairo_surface_t *selection;
- GdkRegion *selection_region;
+ cairo_region_t *selection_region;
} CacheJobInfo;
struct _EvPixbufCache
/* We keep a link to our containing view just for style information. */
GtkWidget *view;
EvDocument *document;
+ EvDocumentModel *model;
int start_page;
int end_page;
gboolean inverted_colors;
+ gsize max_size;
+
/* preload_cache_size is the number of pages prior to the current
* visible area that we cache. It's normally 1, but could be 2 in the
* case of twin pages.
*/
int preload_cache_size;
+ guint job_list_len;
+
CacheJobInfo *prev_job;
CacheJobInfo *job_list;
CacheJobInfo *next_job;
#define PAGE_CACHE_LEN(pixbuf_cache) \
((pixbuf_cache->end_page - pixbuf_cache->start_page) + 1)
+#define MAX_PRELOADED_PAGES 3
+
G_DEFINE_TYPE (EvPixbufCache, ev_pixbuf_cache, G_TYPE_OBJECT)
static void
ev_pixbuf_cache_init (EvPixbufCache *pixbuf_cache)
{
- pixbuf_cache->start_page = 0;
- pixbuf_cache->end_page = 0;
- pixbuf_cache->job_list = g_new0 (CacheJobInfo, PAGE_CACHE_LEN (pixbuf_cache));
-
- pixbuf_cache->preload_cache_size = 2;
- pixbuf_cache->prev_job = g_new0 (CacheJobInfo, pixbuf_cache->preload_cache_size);
- pixbuf_cache->next_job = g_new0 (CacheJobInfo, pixbuf_cache->preload_cache_size);
+ pixbuf_cache->start_page = -1;
+ pixbuf_cache->end_page = -1;
}
static void
pixbuf_cache = EV_PIXBUF_CACHE (object);
- g_free (pixbuf_cache->prev_job);
- g_free (pixbuf_cache->job_list);
- g_free (pixbuf_cache->next_job);
+ if (pixbuf_cache->job_list) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->job_list_len,
+ pixbuf_cache->job_list);
+ pixbuf_cache->job_list = NULL;
+ }
+ if (pixbuf_cache->prev_job) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->preload_cache_size,
+ pixbuf_cache->prev_job);
+ pixbuf_cache->prev_job = NULL;
+ }
+ if (pixbuf_cache->next_job) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->preload_cache_size,
+ pixbuf_cache->next_job);
+ pixbuf_cache->next_job = NULL;
+ }
+
+ g_object_unref (pixbuf_cache->model);
G_OBJECT_CLASS (ev_pixbuf_cache_parent_class)->finalize (object);
}
job_info->surface = NULL;
}
if (job_info->region) {
- gdk_region_destroy (job_info->region);
+ cairo_region_destroy (job_info->region);
job_info->region = NULL;
}
if (job_info->selection) {
job_info->selection = NULL;
}
if (job_info->selection_region) {
- gdk_region_destroy (job_info->selection_region);
+ cairo_region_destroy (job_info->selection_region);
job_info->selection_region = NULL;
}
EvPixbufCache *
-ev_pixbuf_cache_new (GtkWidget *view,
- EvDocument *document)
+ev_pixbuf_cache_new (GtkWidget *view,
+ EvDocumentModel *model,
+ gsize max_size)
{
EvPixbufCache *pixbuf_cache;
pixbuf_cache = (EvPixbufCache *) g_object_new (EV_TYPE_PIXBUF_CACHE, NULL);
/* This is a backlink, so we don't ref this */
pixbuf_cache->view = view;
- pixbuf_cache->document = document;
+ pixbuf_cache->model = g_object_ref (model);
+ pixbuf_cache->document = ev_document_model_get_document (model);
+ pixbuf_cache->max_size = max_size;
return pixbuf_cache;
}
+void
+ev_pixbuf_cache_set_max_size (EvPixbufCache *pixbuf_cache,
+ gsize max_size)
+{
+ if (pixbuf_cache->max_size == max_size)
+ return;
+
+ if (pixbuf_cache->max_size > max_size)
+ ev_pixbuf_cache_clear (pixbuf_cache);
+ pixbuf_cache->max_size = max_size;
+}
+
static void
copy_job_to_job_info (EvJobRender *job_render,
CacheJobInfo *job_info,
job_info->selection = NULL;
}
if (job_info->selection_region) {
- gdk_region_destroy (job_info->selection_region);
+ cairo_region_destroy (job_info->selection_region);
job_info->selection_region = NULL;
}
job_info->selection_points = job_render->selection_points;
- job_info->selection_region = gdk_region_copy (job_render->selection_region);
+ job_info->selection_region = cairo_region_reference (job_render->selection_region);
job_info->selection = cairo_surface_reference (job_render->selection);
g_assert (job_info->selection_points.x1 >= 0);
job_info->points_set = TRUE;
CacheJobInfo *new_job_list,
CacheJobInfo *new_prev_job,
CacheJobInfo *new_next_job,
+ int new_preload_cache_size,
int start_page,
int end_page,
gint priority)
int page_offset;
gint new_priority;
- if (page < (start_page - pixbuf_cache->preload_cache_size) ||
- page > (end_page + pixbuf_cache->preload_cache_size)) {
+ if (page < (start_page - new_preload_cache_size) ||
+ page > (end_page + new_preload_cache_size)) {
dispose_cache_job_info (job_info, pixbuf_cache);
return;
}
/* find the target page to copy it over to. */
if (page < start_page) {
- page_offset = (page - (start_page - pixbuf_cache->preload_cache_size));
+ page_offset = (page - (start_page - new_preload_cache_size));
g_assert (page_offset >= 0 &&
- page_offset < pixbuf_cache->preload_cache_size);
+ page_offset < new_preload_cache_size);
target_page = new_prev_job + page_offset;
new_priority = EV_JOB_PRIORITY_LOW;
} else if (page > end_page) {
page_offset = (page - (end_page + 1));
g_assert (page_offset >= 0 &&
- page_offset < pixbuf_cache->preload_cache_size);
+ page_offset < new_preload_cache_size);
target_page = new_next_job + page_offset;
new_priority = EV_JOB_PRIORITY_LOW;
} else {
}
}
+static gsize
+ev_pixbuf_cache_get_page_size (EvPixbufCache *pixbuf_cache,
+ gint page_index,
+ gdouble scale,
+ gint rotation)
+{
+ gint width, height;
+
+ _get_page_size_for_scale_and_rotation (pixbuf_cache->document,
+ page_index, scale, rotation,
+ &width, &height);
+ return height * cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, width);
+}
+
+static gint
+ev_pixbuf_cache_get_preload_size (EvPixbufCache *pixbuf_cache,
+ gint start_page,
+ gint end_page,
+ gdouble scale,
+ gint rotation)
+{
+ gsize range_size = 0;
+ gint new_preload_cache_size = 0;
+ gint i;
+ guint n_pages = ev_document_get_n_pages (pixbuf_cache->document);
+
+ /* Get the size of the current range */
+ for (i = start_page; i <= end_page; i++) {
+ range_size += ev_pixbuf_cache_get_page_size (pixbuf_cache, i, scale, rotation);
+ }
+
+ if (range_size >= pixbuf_cache->max_size)
+ return new_preload_cache_size;
+
+ i = 1;
+ while (((start_page - i > 0) || (end_page + i < n_pages)) &&
+ new_preload_cache_size < MAX_PRELOADED_PAGES) {
+ gsize page_size;
+ gboolean updated = FALSE;
+
+ if (end_page + i < n_pages) {
+ page_size = ev_pixbuf_cache_get_page_size (pixbuf_cache, end_page + i,
+ scale, rotation);
+ if (page_size + range_size <= pixbuf_cache->max_size) {
+ range_size += page_size;
+ new_preload_cache_size++;
+ updated = TRUE;
+ } else {
+ break;
+ }
+ }
+
+ if (start_page - i > 0) {
+ page_size = ev_pixbuf_cache_get_page_size (pixbuf_cache, start_page - i,
+ scale, rotation);
+ if (page_size + range_size <= pixbuf_cache->max_size) {
+ range_size += page_size;
+ if (!updated)
+ new_preload_cache_size++;
+ } else {
+ break;
+ }
+ }
+ i++;
+ }
+
+ return new_preload_cache_size;
+}
+
static void
ev_pixbuf_cache_update_range (EvPixbufCache *pixbuf_cache,
gint start_page,
- gint end_page)
+ gint end_page,
+ guint rotation,
+ gdouble scale)
{
CacheJobInfo *new_job_list;
- CacheJobInfo *new_prev_job;
- CacheJobInfo *new_next_job;
- int i, page;
-
+ CacheJobInfo *new_prev_job = NULL;
+ CacheJobInfo *new_next_job = NULL;
+ gint new_preload_cache_size;
+ guint new_job_list_len;
+ int i, page;
+
+ new_preload_cache_size = ev_pixbuf_cache_get_preload_size (pixbuf_cache,
+ start_page,
+ end_page,
+ scale,
+ rotation);
if (pixbuf_cache->start_page == start_page &&
- pixbuf_cache->end_page == end_page)
+ pixbuf_cache->end_page == end_page &&
+ pixbuf_cache->preload_cache_size == new_preload_cache_size)
return;
- new_job_list = g_new0 (CacheJobInfo, (end_page - start_page) + 1);
- new_prev_job = g_new0 (CacheJobInfo, pixbuf_cache->preload_cache_size);
- new_next_job = g_new0 (CacheJobInfo, pixbuf_cache->preload_cache_size);
+ new_job_list_len = (end_page - start_page) + 1;
+ new_job_list = g_slice_alloc0 (sizeof (CacheJobInfo) * new_job_list_len);
+ if (new_preload_cache_size > 0) {
+ new_prev_job = g_slice_alloc0 (sizeof (CacheJobInfo) * new_preload_cache_size);
+ new_next_job = g_slice_alloc0 (sizeof (CacheJobInfo) * new_preload_cache_size);
+ }
/* We go through each job in the old cache and either clear it or move
* it to a new location. */
move_one_job (pixbuf_cache->prev_job + i,
pixbuf_cache, page,
new_job_list, new_prev_job, new_next_job,
+ new_preload_cache_size,
start_page, end_page, EV_JOB_PRIORITY_LOW);
}
page ++;
}
page = pixbuf_cache->start_page;
- for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache) && page >= 0; i++) {
move_one_job (pixbuf_cache->job_list + i,
pixbuf_cache, page,
new_job_list, new_prev_job, new_next_job,
+ new_preload_cache_size,
start_page, end_page, EV_JOB_PRIORITY_URGENT);
page ++;
}
move_one_job (pixbuf_cache->next_job + i,
pixbuf_cache, page,
new_job_list, new_prev_job, new_next_job,
+ new_preload_cache_size,
start_page, end_page, EV_JOB_PRIORITY_LOW);
}
page ++;
}
- g_free (pixbuf_cache->job_list);
- g_free (pixbuf_cache->prev_job);
- g_free (pixbuf_cache->next_job);
+ if (pixbuf_cache->job_list) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->job_list_len,
+ pixbuf_cache->job_list);
+ }
+ if (pixbuf_cache->prev_job) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->preload_cache_size,
+ pixbuf_cache->prev_job);
+ }
+ if (pixbuf_cache->next_job) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->preload_cache_size,
+ pixbuf_cache->next_job);
+ }
+
+ pixbuf_cache->preload_cache_size = new_preload_cache_size;
+ pixbuf_cache->job_list_len = new_job_list_len;
pixbuf_cache->job_list = new_job_list;
pixbuf_cache->prev_job = new_prev_job;
static void
get_selection_colors (GtkWidget *widget, GdkColor **text, GdkColor **base)
{
- if (GTK_WIDGET_HAS_FOCUS (widget)) {
- *text = &widget->style->text [GTK_STATE_SELECTED];
- *base = &widget->style->base [GTK_STATE_SELECTED];
- } else {
- *text = &widget->style->text [GTK_STATE_ACTIVE];
- *base = &widget->style->base [GTK_STATE_ACTIVE];
- }
+ GtkStyle *style = gtk_widget_get_style (widget);
+
+ if (gtk_widget_has_focus (widget)) {
+ *text = &style->text [GTK_STATE_SELECTED];
+ *base = &style->base [GTK_STATE_SELECTED];
+ } else {
+ *text = &style->text [GTK_STATE_ACTIVE];
+ *base = &style->base [GTK_STATE_ACTIVE];
+ }
}
static void
-add_job (EvPixbufCache *pixbuf_cache,
- CacheJobInfo *job_info,
- GdkRegion *region,
- gint width,
- gint height,
- gint page,
- gint rotation,
- gfloat scale,
- EvJobPriority priority)
+add_job (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ cairo_region_t *region,
+ gint width,
+ gint height,
+ gint page,
+ gint rotation,
+ gfloat scale,
+ EvJobPriority priority)
{
job_info->page_ready = FALSE;
if (job_info->region)
- gdk_region_destroy (job_info->region);
- job_info->region = region ? gdk_region_copy (region) : NULL;
+ cairo_region_destroy (job_info->region);
+ job_info->region = region ? cairo_region_reference (region) : NULL;
job_info->job = ev_job_render_new (pixbuf_cache->document,
page, rotation, scale,
cairo_image_surface_get_height (job_info->surface) == height)
return;
+ /* Free old surfaces for non visible pages */
+ if (priority == EV_JOB_PRIORITY_LOW) {
+ if (job_info->surface) {
+ cairo_surface_destroy (job_info->surface);
+ job_info->surface = NULL;
+ }
+
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ }
+
add_job (pixbuf_cache, job_info, NULL,
width, height, page, rotation, scale,
priority);
ev_pixbuf_cache_set_page_range (EvPixbufCache *pixbuf_cache,
gint start_page,
gint end_page,
- gint rotation,
- gfloat scale,
GList *selection_list)
{
+ gdouble scale = ev_document_model_get_scale (pixbuf_cache->model);
+ gint rotation = ev_document_model_get_rotation (pixbuf_cache->model);
+
g_return_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache));
g_return_if_fail (start_page >= 0 && start_page < ev_document_get_n_pages (pixbuf_cache->document));
/* First, resize the page_range as needed. We cull old pages
* mercilessly. */
- ev_pixbuf_cache_update_range (pixbuf_cache, start_page, end_page);
+ ev_pixbuf_cache_update_range (pixbuf_cache, start_page, end_page, rotation, scale);
/* Then, we update the current jobs to see if any of them are the wrong
* size, we remove them if we need to. */
CacheJobInfo *job_info;
job_info = pixbuf_cache->prev_job + i;
- if (job_info->surface)
+ if (job_info && job_info->surface)
ev_document_misc_invert_surface (job_info->surface);
job_info = pixbuf_cache->next_job + i;
- if (job_info->surface)
+ if (job_info && job_info->surface)
ev_document_misc_invert_surface (job_info->surface);
}
CacheJobInfo *job_info;
job_info = pixbuf_cache->job_list + i;
- if (job_info->surface)
+ if (job_info && job_info->surface)
ev_document_misc_invert_surface (job_info->surface);
}
}
{
int i;
+ if (!pixbuf_cache->job_list)
+ return;
+
for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
dispose_cache_job_info (pixbuf_cache->prev_job + i, pixbuf_cache);
dispose_cache_job_info (pixbuf_cache->next_job + i, pixbuf_cache);
{
gint i;
+ if (!pixbuf_cache->job_list)
+ return;
+
/* FIXME: doesn't update running jobs. */
for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
CacheJobInfo *job_info;
}
cairo_surface_t *
-ev_pixbuf_cache_get_selection_surface (EvPixbufCache *pixbuf_cache,
- gint page,
- gfloat scale,
- GdkRegion **region)
+ev_pixbuf_cache_get_selection_surface (EvPixbufCache *pixbuf_cache,
+ gint page,
+ gfloat scale,
+ cairo_region_t **region)
{
CacheJobInfo *job_info;
g_object_unref (ev_page);
if (job_info->selection_region)
- gdk_region_destroy (job_info->selection_region);
+ cairo_region_destroy (job_info->selection_region);
job_info->selection_region =
ev_selection_get_selection_region (EV_SELECTION (pixbuf_cache->document),
rc, job_info->selection_style,
selection->page = page;
selection->rect = pixbuf_cache->prev_job[i].selection_points;
if (pixbuf_cache->prev_job[i].selection_region)
- selection->covered_region = gdk_region_copy (pixbuf_cache->prev_job[i].selection_region);
+ selection->covered_region = cairo_region_reference (pixbuf_cache->prev_job[i].selection_region);
retval = g_list_append (retval, selection);
}
selection->page = page;
selection->rect = pixbuf_cache->job_list[i].selection_points;
if (pixbuf_cache->job_list[i].selection_region)
- selection->covered_region = gdk_region_copy (pixbuf_cache->job_list[i].selection_region);
+ selection->covered_region = cairo_region_reference (pixbuf_cache->job_list[i].selection_region);
retval = g_list_append (retval, selection);
}
selection->page = page;
selection->rect = pixbuf_cache->next_job[i].selection_points;
if (pixbuf_cache->next_job[i].selection_region)
- selection->covered_region = gdk_region_copy (pixbuf_cache->next_job[i].selection_region);
+ selection->covered_region = cairo_region_reference (pixbuf_cache->next_job[i].selection_region);
retval = g_list_append (retval, selection);
}
}
void
-ev_pixbuf_cache_reload_page (EvPixbufCache *pixbuf_cache,
- GdkRegion *region,
- gint page,
- gint rotation,
- gdouble scale)
+ev_pixbuf_cache_reload_page (EvPixbufCache *pixbuf_cache,
+ cairo_region_t *region,
+ gint page,
+ gint rotation,
+ gdouble scale)
{
CacheJobInfo *job_info;
gint width, height;