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Add option to request "plain" rendering of a page

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"Plain" in this context means without any recoloring or rescaling.
This commit is contained in:
Sebastian Ramacher 2018-09-10 23:06:57 +02:00
parent 36cd8da61f
commit 448a7cb57d
2 changed files with 56 additions and 13 deletions
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51
zathura/render.c
View file

@ -51,6 +51,7 @@ typedef struct request_private_s {
gint64 last_view_time;
girara_list_t* active_jobs;
GMutex jobs_mutex;
bool render_plain;
} ZathuraRenderRequestPrivate;
/* define the two types */
@ -252,6 +253,7 @@ zathura_render_request_new(ZathuraRenderer* renderer, zathura_page_t* page)
priv->page = page;
priv->active_jobs = girara_list_new();
g_mutex_init(&priv->jobs_mutex);
priv->render_plain = false;
/* register the request with the renderer */
renderer_register_request(renderer, request);
@ -759,16 +761,22 @@ render(render_job_t* job, ZathuraRenderRequest* request, ZathuraRenderer* render
const double height = zathura_page_get_height(page);
const double width = zathura_page_get_width(page);
/* page size in user pixels based on document zoom: if PPI information is
* correct, 100% zoom will result in 72 documents points per inch of screen
* (i.e. document size on screen matching the physical paper size). */
const double real_scale = page_calc_height_width(document, height, width,
&page_height, &page_width,
false);
zathura_device_factors_t device_factors = { 0 };
double real_scale = 1;
if (request_priv->render_plain == false) {
/* page size in user pixels based on document zoom: if PPI information is
* correct, 100% zoom will result in 72 documents points per inch of screen
* (i.e. document size on screen matching the physical paper size). */
real_scale = page_calc_height_width(document, height, width,
&page_height, &page_width, false);
const zathura_device_factors_t device_factors = zathura_document_get_device_factors(document);
page_width *= device_factors.x;
page_height *= device_factors.y;
device_factors = zathura_document_get_device_factors(document);
page_width *= device_factors.x;
page_height *= device_factors.y;
} else {
page_width = width;
page_height = height;
}
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
page_width, page_height);
@ -776,7 +784,9 @@ render(render_job_t* job, ZathuraRenderRequest* request, ZathuraRenderer* render
return false;
}
cairo_surface_set_device_scale(surface, device_factors.x, device_factors.y);
if (request_priv->render_plain == false) {
cairo_surface_set_device_scale(surface, device_factors.x, device_factors.y);
}
if (cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) {
cairo_surface_destroy(surface);
@ -799,7 +809,7 @@ render(render_job_t* job, ZathuraRenderRequest* request, ZathuraRenderer* render
}
/* recolor */
if (priv->recolor.enabled == true) {
if (request_priv->render_plain == false && priv->recolor.enabled == true) {
recolor(priv, page, page_width, page_height, surface);
}
@ -1013,3 +1023,22 @@ zathura_renderer_page_cache_add(ZathuraRenderer* renderer,
g_return_if_fail(request != NULL);
g_signal_emit(request, request_signals[REQUEST_CACHE_ADDED], 0);
}
void zathura_render_request_set_render_plain(ZathuraRenderRequest* request,
bool render_plain)
{
g_return_if_fail(ZATHURA_IS_RENDER_REQUEST(request));
ZathuraRenderRequestPrivate* priv = zathura_render_request_get_instance_private(request);
priv->render_plain =render_plain;
}
bool
zathura_render_request_get_render_plain(ZathuraRenderRequest* request)
{
g_return_val_if_fail(ZATHURA_IS_RENDER_REQUEST(request), false);
ZathuraRenderRequestPrivate* priv = zathura_render_request_get_instance_private(request);
return priv->render_plain;
}

18
zathura/render.h
View file

@ -182,8 +182,7 @@ ZathuraRenderRequest* zathura_render_request_new(ZathuraRenderer* renderer,
zathura_page_t* page);
/**
* This function is used to add a page to the render thread list
* that should be rendered.
* Add a page to the render thread list that should be rendered.
*
* @param request request object of the page that should be renderer
* @param last_view_time last view time of the page
@ -206,6 +205,21 @@ void zathura_render_request_abort(ZathuraRenderRequest* request);
*/
void zathura_render_request_update_view_time(ZathuraRenderRequest* request);
/**
* Set "plain" rendering mode, i.e. disabling scaling, recoloring, etc.
* @param request request that should be updated
* @param render_plain "plain" rendering setting
*/
void zathura_render_request_set_render_plain(ZathuraRenderRequest* request,
bool render_plain);
/**
* Get "plain" rendering mode, i.e. disabling scaling, recoloring, etc.
* @param request request that should be updated
* @returns "plain" rendering setting
*/
bool zathura_render_request_get_render_plain(ZathuraRenderRequest* request);
/**
* This function is used to unmark all pages as not rendered. This should
* be used if all pages should be rendered again (e.g.: the zoom level or the