#include "ev-pixbuf-cache.h"
#include "ev-job-queue.h"
-
+#include "ev-page-cache.h"
+#include "ev-document-images.h"
+#include "ev-document-forms.h"
+#include "ev-image.h"
+#include "ev-form-field.h"
typedef struct _CacheJobInfo
{
EvJob *job;
- GdkPixbuf *pixbuf;
+ EvRenderContext *rc;
+ gboolean page_ready;
+
+ /* Region of the page that needs to be drawn */
+ GdkRegion *region;
+
+ /* Data we get from rendering */
+ cairo_surface_t *surface;
GList *link_mapping;
+ GList *image_mapping;
+ GList *form_field_mapping;
+ GdkRegion *text_mapping;
+
+ /* Selection data.
+ * Selection_points are the coordinates encapsulated in selection.
+ * target_points is the target selection size. */
+ EvRectangle selection_points;
+ EvRectangle target_points;
+ EvSelectionStyle selection_style;
+ gboolean points_set;
+
+ cairo_surface_t *selection;
+ GdkRegion *selection_region;
} CacheJobInfo;
struct _EvPixbufCache
{
GObject parent;
- EvDocument *document;
+ /* We keep a link to our containing view just for style information. */
+ GtkWidget *view;
+ EvDocument *document;
int start_page;
int end_page;
static void ev_pixbuf_cache_class_init (EvPixbufCacheClass *pixbuf_cache);
static void ev_pixbuf_cache_finalize (GObject *object);
static void ev_pixbuf_cache_dispose (GObject *object);
+static void job_page_ready_cb (EvJob *job,
+ EvPixbufCache *pixbuf_cache);
static void job_finished_cb (EvJob *job,
EvPixbufCache *pixbuf_cache);
static CacheJobInfo *find_job_cache (EvPixbufCache *pixbuf_cache,
static void copy_job_to_job_info (EvJobRender *job_render,
CacheJobInfo *job_info,
EvPixbufCache *pixbuf_cache);
+static void copy_job_page_and_selection_to_job_info (EvJobRender *job_render,
+ CacheJobInfo *job_info,
+ EvPixbufCache *pixbuf_cache);
+static gboolean new_selection_surface_needed(EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ gint page,
+ gfloat scale);
/* These are used for iterating through the prev and next arrays */
pixbuf_cache->end_page = 0;
pixbuf_cache->job_list = g_new0 (CacheJobInfo, PAGE_CACHE_LEN (pixbuf_cache));
- pixbuf_cache->preload_cache_size = 0;
+ 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);
}
object_class->finalize = ev_pixbuf_cache_finalize;
object_class->dispose = ev_pixbuf_cache_dispose;
- signals[JOB_FINISHED] = g_signal_new ("job-finished",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET (EvPixbufCacheClass, job_finished),
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
+ signals[JOB_FINISHED] =
+ g_signal_new ("job-finished",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvPixbufCacheClass, job_finished),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1,
+ G_TYPE_POINTER);
}
static void
g_free (pixbuf_cache->prev_job);
g_free (pixbuf_cache->job_list);
g_free (pixbuf_cache->next_job);
+
+ G_OBJECT_CLASS (ev_pixbuf_cache_parent_class)->finalize (object);
}
static void
if (job_info == NULL)
return;
if (job_info->job) {
+ g_signal_handlers_disconnect_by_func (job_info->job,
+ G_CALLBACK (job_page_ready_cb),
+ data);
g_signal_handlers_disconnect_by_func (job_info->job,
G_CALLBACK (job_finished_cb),
data);
g_object_unref (G_OBJECT (job_info->job));
job_info->job = NULL;
}
- if (job_info->pixbuf) {
- g_object_unref (G_OBJECT (job_info->pixbuf));
- job_info->pixbuf = NULL;
+ if (job_info->surface) {
+ cairo_surface_destroy (job_info->surface);
+ job_info->surface = NULL;
+ }
+ if (job_info->region) {
+ gdk_region_destroy (job_info->region);
+ job_info->region = NULL;
}
if (job_info->link_mapping) {
ev_link_mapping_free (job_info->link_mapping);
job_info->link_mapping = NULL;
}
+ if (job_info->image_mapping) {
+ ev_image_mapping_free (job_info->image_mapping);
+ job_info->image_mapping = NULL;
+ }
+ if (job_info->form_field_mapping) {
+ ev_form_field_mapping_free (job_info->form_field_mapping);
+ job_info->form_field_mapping = NULL;
+ }
+ if (job_info->text_mapping) {
+ gdk_region_destroy (job_info->text_mapping);
+ job_info->text_mapping = NULL;
+ }
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ if (job_info->selection_region) {
+ gdk_region_destroy (job_info->selection_region);
+ job_info->selection_region = NULL;
+ }
+ if (job_info->rc) {
+ g_object_unref (G_OBJECT (job_info->rc));
+ job_info->rc = NULL;
+ }
+
+ job_info->points_set = FALSE;
}
static void
for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
dispose_cache_job_info (pixbuf_cache->job_list + i, pixbuf_cache);
}
+
+ G_OBJECT_CLASS (ev_pixbuf_cache_parent_class)->dispose (object);
}
EvPixbufCache *
-ev_pixbuf_cache_new (EvDocument *document)
+ev_pixbuf_cache_new (GtkWidget *view,
+ EvDocument *document)
{
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;
return pixbuf_cache;
}
static void
-job_finished_cb (EvJob *job,
- EvPixbufCache *pixbuf_cache)
+job_page_ready_cb (EvJob *job,
+ EvPixbufCache *pixbuf_cache)
{
CacheJobInfo *job_info;
EvJobRender *job_render = EV_JOB_RENDER (job);
- GdkPixbuf *pixbuf;
/* If the job is outside of our interest, we silently discard it */
- if ((job_render->page < (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size)) ||
- (job_render->page > (pixbuf_cache->end_page + pixbuf_cache->preload_cache_size))) {
+ if ((job_render->rc->page < (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size)) ||
+ (job_render->rc->page > (pixbuf_cache->end_page + pixbuf_cache->preload_cache_size))) {
g_object_unref (job);
return;
}
-
- job_info = find_job_cache (pixbuf_cache, job_render->page);
- pixbuf = g_object_ref (job_render->pixbuf);
- if (job_info->pixbuf)
- g_object_unref (job_info->pixbuf);
- job_info->pixbuf = pixbuf;
+ job_info = find_job_cache (pixbuf_cache, job_render->rc->page);
- if (job_render->link_mapping) {
- if (job_info->link_mapping)
- ev_link_mapping_free (job_info->link_mapping);
- job_info->link_mapping = job_render->link_mapping;
+ copy_job_page_and_selection_to_job_info (job_render, job_info, pixbuf_cache);
+ g_signal_emit (pixbuf_cache, signals[JOB_FINISHED], 0, job_info->region);
+}
+
+static void
+job_finished_cb (EvJob *job,
+ EvPixbufCache *pixbuf_cache)
+{
+ CacheJobInfo *job_info;
+ EvJobRender *job_render = EV_JOB_RENDER (job);
+
+ /* If the job is outside of our interest, we silently discard it */
+ if ((job_render->rc->page < (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size)) ||
+ (job_render->rc->page > (pixbuf_cache->end_page + pixbuf_cache->preload_cache_size))) {
+ g_object_unref (job);
+ return;
}
-
- if (job_info->job == job)
- job_info->job = NULL;
- g_object_unref (job);
- g_signal_emit (pixbuf_cache, signals[JOB_FINISHED], 0);
+ job_info = find_job_cache (pixbuf_cache, job_render->rc->page);
+ copy_job_to_job_info (job_render, job_info, pixbuf_cache);
}
/* This checks a job to see if the job would generate the right sized pixbuf
* given a scale. If it won't, it removes the job and clears it to NULL.
*/
static void
-check_job_size_and_unref (CacheJobInfo *job_info,
+check_job_size_and_unref (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
EvPageCache *page_cache,
gfloat scale)
{
return;
ev_page_cache_get_size (page_cache,
- EV_JOB_RENDER (job_info->job)->page,
+ EV_JOB_RENDER (job_info->job)->rc->page,
+ EV_JOB_RENDER (job_info->job)->rc->rotation,
scale,
&width, &height);
height == EV_JOB_RENDER (job_info->job)->target_height)
return;
- /* Try to remove the job. If we can't, then the thread has already
- * picked it up and we are going get a signal when it's done. If we
- * can, then the job is fully dead and will never rnu.. */
- if (ev_job_queue_remove_job (job_info->job))
- g_object_unref (job_info->job);
-
+ g_signal_handlers_disconnect_by_func (job_info->job,
+ G_CALLBACK (job_finished_cb),
+ pixbuf_cache);
+ ev_job_queue_remove_job (job_info->job);
+ g_object_unref (job_info->job);
job_info->job = NULL;
}
*target_page = *job_info;
job_info->job = NULL;
- job_info->pixbuf = NULL;
+ job_info->region = NULL;
+ job_info->surface = NULL;
job_info->link_mapping = NULL;
+ job_info->image_mapping = NULL;
+ job_info->form_field_mapping = NULL;
if (new_priority != priority && target_page->job) {
ev_job_queue_update_job (target_page->job, new_priority);
}
}
-
-
static void
ev_pixbuf_cache_update_range (EvPixbufCache *pixbuf_cache,
gint start_page,
pixbuf_cache->end_page == end_page)
return;
- page_cache = ev_document_get_page_cache (pixbuf_cache->document);
+ page_cache = ev_page_cache_get (pixbuf_cache->document);
new_job_list = g_new0 (CacheJobInfo, (end_page - start_page) + 1);
new_prev_job = g_new0 (CacheJobInfo, pixbuf_cache->preload_cache_size);
pixbuf_cache, page,
new_job_list, new_prev_job, new_next_job,
start_page, end_page, EV_JOB_PRIORITY_HIGH);
- page++;
+ page ++;
}
for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
pixbuf_cache->end_page = end_page;
}
+static void
+copy_job_page_and_selection_to_job_info (EvJobRender *job_render,
+ CacheJobInfo *job_info,
+ EvPixbufCache *pixbuf_cache)
+{
+ if (job_info->surface) {
+ cairo_surface_destroy (job_info->surface);
+ }
+ job_info->surface = cairo_surface_reference (job_render->surface);
+
+ if (job_info->rc) {
+ g_object_unref (G_OBJECT (job_info->rc));
+ }
+ job_info->rc = g_object_ref (job_render->rc);
+
+ job_info->points_set = FALSE;
+ if (job_render->include_selection) {
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ if (job_info->selection_region) {
+ gdk_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 = cairo_surface_reference (job_render->selection);
+ g_assert (job_info->selection_points.x1 >= 0);
+ job_info->points_set = TRUE;
+ }
+
+ if (job_info->job) {
+ g_signal_handlers_disconnect_by_func (job_info->job,
+ G_CALLBACK (job_page_ready_cb),
+ pixbuf_cache);
+ }
+
+ job_info->page_ready = TRUE;
+}
+
static void
copy_job_to_job_info (EvJobRender *job_render,
CacheJobInfo *job_info,
EvPixbufCache *pixbuf_cache)
{
- GdkPixbuf *pixbuf;
+ if (job_render->include_links) {
+ if (job_info->link_mapping)
+ ev_link_mapping_free (job_info->link_mapping);
+ job_info->link_mapping = job_render->link_mapping;
+ }
+
+ if (job_render->include_images) {
+ if (job_info->image_mapping)
+ ev_image_mapping_free (job_info->image_mapping);
+ job_info->image_mapping = job_render->image_mapping;
+ }
- pixbuf = g_object_ref (job_render->pixbuf);
+ if (job_render->include_forms) {
+ if (job_info->form_field_mapping)
+ ev_form_field_mapping_free (job_info->form_field_mapping);
+ job_info->form_field_mapping = job_render->form_field_mapping;
+ }
- dispose_cache_job_info (job_info, pixbuf_cache);
+ if (job_render->include_text) {
+ if (job_info->text_mapping)
+ gdk_region_destroy (job_info->text_mapping);
+ job_info->text_mapping = job_render->text_mapping;
+ }
- job_info->pixbuf = pixbuf;
- if (job_render->link_mapping)
- job_info->link_mapping = job_render->link_mapping;
+ if (job_info->job) {
+ g_signal_handlers_disconnect_by_func (job_info->job,
+ G_CALLBACK (job_finished_cb),
+ pixbuf_cache);
+ ev_job_queue_remove_job (job_info->job);
+ g_object_unref (G_OBJECT (job_info->job));
+ job_info->job = NULL;
+ }
}
static CacheJobInfo *
EvPageCache *page_cache;
int i;
- page_cache = ev_document_get_page_cache (pixbuf_cache->document);
+ page_cache = ev_page_cache_get (pixbuf_cache->document);
for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
- check_job_size_and_unref (pixbuf_cache->job_list + i, page_cache, scale);
+ check_job_size_and_unref (pixbuf_cache, pixbuf_cache->job_list + i, page_cache, scale);
}
for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
- check_job_size_and_unref (pixbuf_cache->prev_job + i, page_cache, scale);
- check_job_size_and_unref (pixbuf_cache->next_job + i, page_cache, scale);
+ check_job_size_and_unref (pixbuf_cache, pixbuf_cache->prev_job + i, page_cache, scale);
+ check_job_size_and_unref (pixbuf_cache, pixbuf_cache->next_job + i, page_cache, scale);
}
}
#define FIRST_VISABLE_PREV(pixbuf_cache) \
(MAX (0, pixbuf_cache->preload_cache_size + 1 - pixbuf_cache->start_page))
+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];
+ }
+}
+
+static void
+add_job (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ EvPageCache *page_cache,
+ GdkRegion *region,
+ gint width,
+ gint height,
+ gint page,
+ gint rotation,
+ gfloat scale,
+ EvJobPriority priority)
+{
+ gboolean include_links = FALSE;
+ gboolean include_text = FALSE;
+ gboolean include_selection = FALSE;
+ gboolean include_images = TRUE;
+ gboolean include_forms = FALSE;
+ GdkColor *text, *base;
+
+ job_info->page_ready = FALSE;
+
+ if (job_info->rc == NULL) {
+ job_info->rc = ev_render_context_new (rotation, page, scale);
+ } else {
+ ev_render_context_set_rotation (job_info->rc, rotation);
+ ev_render_context_set_page (job_info->rc, page);
+ ev_render_context_set_scale (job_info->rc, scale);
+ }
+
+ if (job_info->region)
+ gdk_region_destroy (job_info->region);
+ job_info->region = region ? gdk_region_copy (region) : NULL;
+
+ /* Figure out what else we need for this job */
+ if (job_info->link_mapping == NULL)
+ include_links = TRUE;
+ if (job_info->image_mapping == NULL)
+ include_images = TRUE;
+ if (job_info->form_field_mapping == NULL)
+ include_forms = TRUE;
+ if (job_info->text_mapping == NULL)
+ include_text = TRUE;
+ if (new_selection_surface_needed (pixbuf_cache, job_info, page, scale)) {
+ include_selection = TRUE;
+ }
+
+ gtk_widget_ensure_style (pixbuf_cache->view);
+
+ get_selection_colors (pixbuf_cache->view, &text, &base);
+
+ job_info->job = ev_job_render_new (pixbuf_cache->document,
+ job_info->rc,
+ width, height,
+ &(job_info->target_points),
+ job_info->selection_style,
+ text, base,
+ include_forms,
+ include_links,
+ include_images,
+ include_text,
+ include_selection);
+ ev_job_queue_add_job (job_info->job, priority);
+ g_signal_connect (G_OBJECT (job_info->job), "page-ready",
+ G_CALLBACK (job_page_ready_cb),
+ pixbuf_cache);
+ g_signal_connect (G_OBJECT (job_info->job), "finished",
+ G_CALLBACK (job_finished_cb),
+ pixbuf_cache);
+}
+
static void
add_job_if_needed (EvPixbufCache *pixbuf_cache,
CacheJobInfo *job_info,
EvPageCache *page_cache,
gint page,
+ gint rotation,
gfloat scale,
EvJobPriority priority)
{
- int width, height;
+ gint width, height;
if (job_info->job)
return;
- ev_page_cache_get_size (page_cache,
- page, scale,
- &width, &height);
+ ev_page_cache_get_size (page_cache, page, rotation,
+ scale, &width, &height);
- if (job_info->pixbuf &&
- gdk_pixbuf_get_width (job_info->pixbuf) == width &&
- gdk_pixbuf_get_height (job_info->pixbuf) == height)
+ if (job_info->surface &&
+ cairo_image_surface_get_width (job_info->surface) == width &&
+ cairo_image_surface_get_height (job_info->surface) == height)
return;
- /* make a new job now */
- job_info->job = ev_job_render_new (pixbuf_cache->document,
- page, scale,
- width, height,
- (job_info->link_mapping == NULL)?TRUE:FALSE);
- ev_job_queue_add_job (job_info->job, priority);
- g_signal_connect (job_info->job, "finished", G_CALLBACK (job_finished_cb), pixbuf_cache);
+ add_job (pixbuf_cache, job_info, page_cache, NULL,
+ width, height, page, rotation, scale,
+ priority);
}
-
static void
ev_pixbuf_cache_add_jobs_if_needed (EvPixbufCache *pixbuf_cache,
+ gint rotation,
gfloat scale)
{
EvPageCache *page_cache;
int page;
int i;
- page_cache = ev_document_get_page_cache (pixbuf_cache->document);
+ page_cache = ev_page_cache_get (pixbuf_cache->document);
for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
job_info = (pixbuf_cache->job_list + i);
page = pixbuf_cache->start_page + i;
add_job_if_needed (pixbuf_cache, job_info,
- page_cache, page, scale,
+ page_cache, page, rotation, scale,
EV_JOB_PRIORITY_HIGH);
}
page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size + i;
add_job_if_needed (pixbuf_cache, job_info,
- page_cache, page, scale,
+ page_cache, page, rotation, scale,
EV_JOB_PRIORITY_LOW);
}
page = pixbuf_cache->end_page + 1 + i;
add_job_if_needed (pixbuf_cache, job_info,
- page_cache, page, scale,
+ page_cache, page, rotation, scale,
EV_JOB_PRIORITY_LOW);
}
}
void
-ev_pixbuf_cache_set_page_range (EvPixbufCache *pixbuf_cache,
- gint start_page,
- gint end_page,
- gfloat scale)
+ev_pixbuf_cache_set_page_range (EvPixbufCache *pixbuf_cache,
+ gint start_page,
+ gint end_page,
+ gint rotation,
+ gfloat scale,
+ GList *selection_list)
{
EvPageCache *page_cache;
g_return_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache));
- page_cache = ev_document_get_page_cache (pixbuf_cache->document);
+ page_cache = ev_page_cache_get (pixbuf_cache->document);
g_return_if_fail (start_page >= 0 && start_page < ev_page_cache_get_n_pages (page_cache));
g_return_if_fail (end_page >= 0 && end_page < ev_page_cache_get_n_pages (page_cache));
* size, we remove them if we need to. */
ev_pixbuf_cache_clear_job_sizes (pixbuf_cache, scale);
+ /* Next, we update the target selection for our pages */
+ ev_pixbuf_cache_set_selection_list (pixbuf_cache, selection_list);
+
/* Finally, we add the new jobs for all the sizes that don't have a
* pixbuf */
- ev_pixbuf_cache_add_jobs_if_needed (pixbuf_cache, scale);
+ ev_pixbuf_cache_add_jobs_if_needed (pixbuf_cache, rotation, scale);
}
-GdkPixbuf *
-ev_pixbuf_cache_get_pixbuf (EvPixbufCache *pixbuf_cache,
- gint page)
+cairo_surface_t *
+ev_pixbuf_cache_get_surface (EvPixbufCache *pixbuf_cache,
+ gint page)
+{
+ CacheJobInfo *job_info;
+
+ job_info = find_job_cache (pixbuf_cache, page);
+ if (job_info == NULL)
+ return NULL;
+
+ if (job_info->page_ready)
+ return job_info->surface;
+
+ /* We don't need to wait for the idle to handle the callback */
+ if (job_info->job &&
+ EV_JOB_RENDER (job_info->job)->page_ready) {
+ copy_job_page_and_selection_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache);
+ g_signal_emit (pixbuf_cache, signals[JOB_FINISHED], 0, job_info->region);
+ }
+
+ return job_info->surface;
+}
+
+GList *
+ev_pixbuf_cache_get_link_mapping (EvPixbufCache *pixbuf_cache,
+ gint page)
{
CacheJobInfo *job_info;
copy_job_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache);
}
- return job_info->pixbuf;
+ return job_info->link_mapping;
}
GList *
-ev_pixbuf_cache_get_link_mapping (EvPixbufCache *pixbuf_cache,
+ev_pixbuf_cache_get_image_mapping (EvPixbufCache *pixbuf_cache,
+ gint page)
+{
+ CacheJobInfo *job_info;
+
+ if (!EV_IS_DOCUMENT_IMAGES (pixbuf_cache->document))
+ return NULL;
+
+ job_info = find_job_cache (pixbuf_cache, page);
+ if (job_info == NULL)
+ return NULL;
+
+ /* We don't need to wait for the idle to handle the callback */
+ if (job_info->job &&
+ EV_JOB (job_info->job)->finished) {
+ copy_job_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache);
+ }
+
+ return job_info->image_mapping;
+}
+
+GList *
+ev_pixbuf_cache_get_form_field_mapping (EvPixbufCache *pixbuf_cache,
+ gint page)
+{
+ CacheJobInfo *job_info;
+
+ if (!EV_IS_DOCUMENT_FORMS (pixbuf_cache->document))
+ return NULL;
+
+ job_info = find_job_cache (pixbuf_cache, page);
+ if (job_info == NULL)
+ return NULL;
+
+ /* We don't need to wait for the idle to handle the callback */
+ if (job_info->job &&
+ EV_JOB (job_info->job)->finished) {
+ copy_job_to_job_info (EV_JOB_RENDER(job_info->job), job_info, pixbuf_cache);
+ }
+
+ return job_info->form_field_mapping;
+}
+
+static gboolean
+new_selection_surface_needed (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ gint page,
+ gfloat scale)
+{
+ EvPageCache *page_cache;
+
+ if (job_info->selection) {
+ gint width, height;
+ gint selection_width, selection_height;
+
+ page_cache = ev_page_cache_get (pixbuf_cache->document);
+ ev_page_cache_get_size (page_cache, page,
+ job_info->rc->rotation,
+ scale, &width, &height);
+
+ selection_width = cairo_image_surface_get_width (job_info->selection);
+ selection_height = cairo_image_surface_get_height (job_info->selection);
+
+ if (width != selection_width || height != selection_height)
+ return TRUE;
+ } else {
+ if (job_info->points_set)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+clear_selection_if_needed (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ gint page,
+ gfloat scale)
+{
+ if (new_selection_surface_needed (pixbuf_cache, job_info, page, scale)) {
+ if (job_info->selection)
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ job_info->selection_points.x1 = -1;
+ }
+}
+
+GdkRegion *
+ev_pixbuf_cache_get_text_mapping (EvPixbufCache *pixbuf_cache,
gint page)
{
CacheJobInfo *job_info;
copy_job_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache);
}
- return job_info->link_mapping;
+ return job_info->text_mapping;
+}
+
+/* Clears the cache of jobs and pixbufs.
+ */
+void
+ev_pixbuf_cache_clear (EvPixbufCache *pixbuf_cache)
+{
+ int i;
+
+ 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);
+ }
+
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ dispose_cache_job_info (pixbuf_cache->job_list + i, pixbuf_cache);
+ }
+}
+
+
+void
+ev_pixbuf_cache_style_changed (EvPixbufCache *pixbuf_cache)
+{
+ gint i;
+
+ /* FIXME: doesn't update running jobs. */
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ CacheJobInfo *job_info;
+
+ job_info = pixbuf_cache->prev_job + i;
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+
+ job_info = pixbuf_cache->next_job + i;
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ }
+
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ CacheJobInfo *job_info;
+
+ job_info = pixbuf_cache->job_list + i;
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ }
}
+
+cairo_surface_t *
+ev_pixbuf_cache_get_selection_surface (EvPixbufCache *pixbuf_cache,
+ gint page,
+ gfloat scale,
+ GdkRegion **region)
+{
+ CacheJobInfo *job_info;
+
+ /* the document does not implement the selection interface */
+ if (!EV_IS_SELECTION (pixbuf_cache->document))
+ return NULL;
+
+ job_info = find_job_cache (pixbuf_cache, page);
+ if (job_info == NULL)
+ return NULL;
+
+ /* No selection on this page */
+ if (!job_info->points_set)
+ return NULL;
+
+ /* Update the rc */
+ g_assert (job_info->rc);
+ ev_render_context_set_scale (job_info->rc, scale);
+
+ /* If we have a running job, we just return what we have under the
+ * assumption that it'll be updated later and we can scale it as need
+ * be */
+ if (job_info->job && EV_JOB_RENDER (job_info->job)->include_selection)
+ return job_info->selection;
+
+ /* Now, lets see if we need to resize the image. If we do, we clear the
+ * old one. */
+ clear_selection_if_needed (pixbuf_cache, job_info, page, scale);
+
+ /* Finally, we see if the two scales are the same, and get a new pixbuf
+ * if needed. We do this synchronously for now. At some point, we
+ * _should_ be able to get rid of the doc_mutex, so the synchronicity
+ * doesn't kill us. Rendering a few glyphs should really be fast.
+ */
+ if (ev_rect_cmp (&(job_info->target_points), &(job_info->selection_points))) {
+ EvRectangle *old_points;
+ GdkColor *text, *base;
+
+ /* we need to get a new selection pixbuf */
+ ev_document_doc_mutex_lock ();
+ if (job_info->selection_points.x1 < 0) {
+ g_assert (job_info->selection == NULL);
+ old_points = NULL;
+ } else {
+ g_assert (job_info->selection != NULL);
+ old_points = &(job_info->selection_points);
+ }
+
+ if (job_info->selection_region)
+ gdk_region_destroy (job_info->selection_region);
+ job_info->selection_region =
+ ev_selection_get_selection_region (EV_SELECTION (pixbuf_cache->document),
+ job_info->rc,
+ job_info->selection_style,
+ &(job_info->target_points));
+
+ gtk_widget_ensure_style (pixbuf_cache->view);
+
+ get_selection_colors (pixbuf_cache->view, &text, &base);
+
+ ev_selection_render_selection (EV_SELECTION (pixbuf_cache->document),
+ job_info->rc, &(job_info->selection),
+ &(job_info->target_points),
+ old_points,
+ job_info->selection_style,
+ text, base);
+ job_info->selection_points = job_info->target_points;
+ ev_document_doc_mutex_unlock ();
+ }
+ if (region)
+ *region = job_info->selection_region;
+ return job_info->selection;
+}
+
+static void
+update_job_selection (CacheJobInfo *job_info,
+ EvViewSelection *selection)
+{
+ job_info->points_set = TRUE;
+ job_info->target_points = selection->rect;
+ job_info->selection_style = selection->style;
+}
+
+static void
+clear_job_selection (CacheJobInfo *job_info)
+{
+ job_info->points_set = FALSE;
+ job_info->selection_points.x1 = -1;
+
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+}
+
+/* This function will reset the selection on pages that no longer have them, and
+ * will update the target_selection on those that need it. It will _not_ free
+ * the previous selection_list -- that's up to caller to do.
+ */
+void
+ev_pixbuf_cache_set_selection_list (EvPixbufCache *pixbuf_cache,
+ GList *selection_list)
+{
+ EvPageCache *page_cache;
+ EvViewSelection *selection;
+ GList *list = selection_list;
+ int page;
+ int i;
+
+ g_return_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache));
+
+ if (!EV_IS_SELECTION (pixbuf_cache->document))
+ return;
+
+ page_cache = ev_page_cache_get (pixbuf_cache->document);
+
+ /* We check each area to see what needs updating, and what needs freeing; */
+ page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size;
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page < 0) {
+ page ++;
+ continue;
+ }
+
+ selection = NULL;
+ while (list) {
+ if (((EvViewSelection *)list->data)->page == page) {
+ selection = list->data;
+ break;
+ } else if (((EvViewSelection *)list->data)->page > page)
+ break;
+ list = list->next;
+ }
+
+ if (selection)
+ update_job_selection (pixbuf_cache->prev_job + i, selection);
+ else
+ clear_job_selection (pixbuf_cache->prev_job + i);
+ page ++;
+ }
+
+ page = pixbuf_cache->start_page;
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ selection = NULL;
+ while (list) {
+ if (((EvViewSelection *)list->data)->page == page) {
+ selection = list->data;
+ break;
+ } else if (((EvViewSelection *)list->data)->page > page)
+ break;
+ list = list->next;
+ }
+
+ if (selection)
+ update_job_selection (pixbuf_cache->job_list + i, selection);
+ else
+ clear_job_selection (pixbuf_cache->job_list + i);
+ page ++;
+ }
+
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page >= ev_page_cache_get_n_pages (page_cache))
+ break;
+
+ selection = NULL;
+ while (list) {
+ if (((EvViewSelection *)list->data)->page == page) {
+ selection = list->data;
+ break;
+ } else if (((EvViewSelection *)list->data)->page > page)
+ break;
+ list = list->next;
+ }
+
+ if (selection)
+ update_job_selection (pixbuf_cache->next_job + i, selection);
+ else
+ clear_job_selection (pixbuf_cache->next_job + i);
+ page ++;
+ }
+}
+
+
+/* Returns what the pixbuf cache thinks is */
+
+GList *
+ev_pixbuf_cache_get_selection_list (EvPixbufCache *pixbuf_cache)
+{
+ EvPageCache *page_cache;
+ EvViewSelection *selection;
+ GList *retval = NULL;
+ int page;
+ int i;
+
+ g_return_val_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache), NULL);
+
+ page_cache = ev_page_cache_get (pixbuf_cache->document);
+
+ /* We check each area to see what needs updating, and what needs freeing; */
+ page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size;
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page < 0) {
+ page ++;
+ continue;
+ }
+
+ if (pixbuf_cache->prev_job[i].selection_points.x1 != -1) {
+ selection = g_new0 (EvViewSelection, 1);
+ 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);
+ retval = g_list_append (retval, selection);
+ }
+
+ page ++;
+ }
+
+ page = pixbuf_cache->start_page;
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ if (pixbuf_cache->job_list[i].selection_points.x1 != -1) {
+ selection = g_new0 (EvViewSelection, 1);
+ 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);
+ retval = g_list_append (retval, selection);
+ }
+
+ page ++;
+ }
+
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page >= ev_page_cache_get_n_pages (page_cache))
+ break;
+
+ if (pixbuf_cache->next_job[i].selection_points.x1 != -1) {
+ selection = g_new0 (EvViewSelection, 1);
+ 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);
+ retval = g_list_append (retval, selection);
+ }
+
+ page ++;
+ }
+
+ return retval;
+}
+
+void
+ev_pixbuf_cache_reload_page (EvPixbufCache *pixbuf_cache,
+ GdkRegion *region,
+ gint page,
+ gint rotation,
+ gdouble scale)
+{
+ CacheJobInfo *job_info;
+ EvPageCache *page_cache;
+ gint width, height;
+
+ job_info = find_job_cache (pixbuf_cache, page);
+ if (job_info == NULL)
+ return;
+
+ page_cache = ev_page_cache_get (pixbuf_cache->document);
+ ev_page_cache_get_size (page_cache, page, rotation, scale,
+ &width, &height);
+
+ add_job (pixbuf_cache, job_info, page_cache, region,
+ width, height, page, rotation, scale,
+ EV_JOB_PRIORITY_HIGH);
+}
+
+
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff