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Update rendering

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This commit is contained in:
Moritz Lipp 2011-03-20 02:09:04 +01:00
parent e5d0b6bac0
commit c5491675aa
4 changed files with 45 additions and 17 deletions
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2
callbacks.c
View file

@ -68,7 +68,7 @@ cb_view_vadjustment_value_changed(GtkAdjustment *adjustment, gpointer data)
/*|| ( (begin <= lower) && (end >= lower) && (end <= upper) ) [> end of the page is in viewport <]*/
/*|| ( (begin >= lower) && (end >= upper) && (begin <= upper) ) [> begin of the page is in viewport <]*/
/*) {*/
if (page_id < 5) {
if (page_id < 1) {
render_page(Zathura.Sync.render_thread, Zathura.document->pages[page_id]);
}
/*}*/

5
document.c
View file

@ -537,8 +537,9 @@ zathura_image_buffer_create(unsigned int width, unsigned int height)
return NULL;
}
image_buffer->width = width;
image_buffer->height = height;
image_buffer->width = width;
image_buffer->height = height;
image_buffer->rowstride = width * 3;
return image_buffer;
}

1
document.h
View file

@ -51,6 +51,7 @@ typedef struct zathura_image_buffer_s
unsigned char* data; /**> Image buffer data */
unsigned int height; /**> Height of the image */
unsigned int width; /**> Width of the image */
unsigned int rowstride; /**> Rowstride of the image */
} zathura_image_buffer_t;
/**

54
render.c
View file

@ -20,7 +20,10 @@ render_job(void* data)
girara_list_remove(render_thread->list, page);
g_mutex_unlock(render_thread->lock);
render(page);
if (render(page) != true) {
fprintf(stderr, "rendering failed\n");
}
printf("Rendered %d\n", page->number);
}
@ -131,28 +134,51 @@ render(zathura_page_t* page)
{
gdk_threads_enter();
g_static_mutex_lock(&(page->lock));
zathura_image_buffer_t* buffer = zathura_page_render(page);
zathura_image_buffer_t* image_buffer = zathura_page_render(page);
if (!buffer) {
if (image_buffer == NULL) {
g_static_mutex_unlock(&(page->lock));
printf("error: rendering failed\n");
gdk_threads_leave();
return false;
}
/* create drawing area */
/*GtkWidget* drawing_area = gtk_drawing_area_new();*/
/* remove old image */
GtkWidget* widget = gtk_bin_get_child(GTK_BIN(page->event_box));
if (widget != NULL) {
gtk_container_remove(GTK_CONTAINER(page->event_box), widget);
}
/*[> remove old image <]*/
/*GtkWidget* widget = gtk_bin_get_child(GTK_BIN(page->event_box));*/
/*if (widget != NULL) {*/
/*g_object_unref(widget);*/
/*}*/
/* create cairo surface */
unsigned int page_width = page->width * Zathura.document->scale;
unsigned int page_height = page->height * Zathura.document->scale;
/*[> set new image <]*/
/*gtk_box_pack_start(GTK_BOX(page->event_box), drawing_area, TRUE, TRUE, 0);*/
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, page_width, page_height);
zathura_image_buffer_free(buffer);
int rowstride = cairo_image_surface_get_stride(surface);
unsigned char* image = cairo_image_surface_get_data(surface);
for (unsigned int y = 0; y < page_height; y++) {
unsigned char* dst = image + y * rowstride;
unsigned char* src = image_buffer->data + y * image_buffer->rowstride;
for (unsigned int x = 0; x < page_width; x++) {
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst += 3;
}
}
/* draw to gtk widget */
GtkWidget* drawing_area = gtk_drawing_area_new();
gtk_container_add(GTK_CONTAINER(page->event_box), drawing_area);
cairo_t* cairo = gdk_cairo_create(drawing_area->window);
cairo_set_source_surface(cairo, surface, 0, 0);
cairo_paint(cairo);
cairo_destroy(cairo);
zathura_image_buffer_free(image_buffer);
g_static_mutex_unlock(&(page->lock));
gdk_threads_leave();