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Added rendering function

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This commit is contained in:
Moritz Lipp 2009-12-28 19:50:30 +01:00
parent 663d0ba8c0
commit b7ef4a3ab8
1 changed files with 96 additions and 3 deletions
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99
zathura.c
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@ -166,7 +166,7 @@ struct
{
PopplerDocument *document;
char *file;
Page *pages;
Page **pages;
int page_number;
int number_of_pages;
int scale;
@ -178,12 +178,16 @@ struct
/* function declarations */
void init_zathura();
void change_mode(int);
void draw(int);
void notify(int, char*);
void update_status();
void setCompletionRowColor(GtkBox*, int, int);
void set_page(int);
GtkEventBox* createCompletionRow(GtkBox*, char*, char*, gboolean);
/* thread declaration */
void render(void*);
/* shortcut declarations */
void sc_abort(Argument*);
void sc_adjust_window(Argument*);
@ -332,6 +336,71 @@ init_zathura()
gtk_box_pack_end( Zathura.UI.box, GTK_WIDGET(Zathura.UI.inputbar), FALSE, FALSE, 0);
}
void draw(int page_id)
{
if(!Zathura.PDF.document || page_id < 0 || page_id > Zathura.PDF.number_of_pages)
return;
double page_width, page_height;
double width, height;
Page *current_page = Zathura.PDF.pages[page_id];
if(current_page->surface)
cairo_surface_destroy(current_page->surface);
current_page->surface = NULL;
poppler_page_get_size(current_page->page, &page_width, &page_height);
if(Zathura.PDF.rotate == 0 || Zathura.PDF.rotate == 180)
{
width = page_width * Zathura.PDF.scale;
height = page_height * Zathura.PDF.scale;
}
else
{
width = page_height * Zathura.PDF.scale;
height = page_width * Zathura.PDF.scale;
}
cairo_t *cairo;
current_page->surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, width, height);
cairo = cairo_create(current_page->surface);
cairo_save(cairo);
cairo_set_source_rgb(cairo, 1, 1, 1);
cairo_rectangle(cairo, 0, 0, width, height);
cairo_fill(cairo);
cairo_restore(cairo);
cairo_save(cairo);
switch(Zathura.PDF.rotate)
{
case 90:
cairo_translate(cairo, width, 0);
break;
case 180:
cairo_translate(cairo, width, height);
break;
case 270:
cairo_translate(cairo, 0, height);
break;
default:
cairo_translate(cairo, 0, 0);
}
if(Zathura.PDF.scale != 1.0)
cairo_scale(cairo, Zathura.PDF.scale, Zathura.PDF.scale);
if(Zathura.PDF.rotate != 0)
cairo_rotate(cairo, Zathura.PDF.rotate * G_PI / 180.0);
poppler_page_render(current_page->page, cairo);
cairo_restore(cairo);
cairo_destroy(cairo);
}
void
change_mode(int mode)
{
@ -484,6 +553,21 @@ set_page(int page)
Zathura.State.pages = g_strdup_printf("[%i/%i]", page + 1, Zathura.PDF.number_of_pages);
}
/* thread implementation */
void
render(void* parameter)
{
if(!Zathura.PDF.document)
return;
int page;
for(page = 0; page < Zathura.PDF.number_of_pages; page++)
{
printf("Render page %d\n", page);
draw(page);
}
}
/* shortcut implementation */
void
sc_abort(Argument* argument)
@ -939,11 +1023,20 @@ cmd_open(int argc, char** argv)
Zathura.PDF.file = file;
Zathura.PDF.scale = 100;
Zathura.PDF.rotate = 0;
Zathura.PDF.pages = malloc(Zathura.PDF.number_of_pages * sizeof(Page));
Zathura.PDF.pages = malloc(Zathura.PDF.number_of_pages * sizeof(Page*));
Zathura.State.filename = file;
set_page(0);
/* get pages */
int i;
for(i = 0; i < Zathura.PDF.number_of_pages; i++)
{
Zathura.PDF.pages[i] = malloc(sizeof(Page));
Zathura.PDF.pages[i]->page = poppler_document_get_page(Zathura.PDF.document, i);
Zathura.PDF.pages[i]->surface = NULL;
}
render(NULL);
set_page(0);
update_status();
return TRUE;