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Update djvu/pdf render functions

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This commit is contained in:
Moritz Lipp 2010-12-26 01:03:04 +01:00
parent 7627c56d30
commit abc7deadd3
2 changed files with 53 additions and 7 deletions
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12
ft/djvu/djvu.c
View file

@ -196,8 +196,8 @@ djvu_page_render(zathura_page_t* page)
} }
/* calculate sizes */ /* calculate sizes */
unsigned int page_width = page->width; unsigned int page_width = Zathura.document->scale * page->width;
unsigned int page_height = page->height; unsigned int page_height = Zathura.document->scale * page->height;
/* init ddjvu render data */ /* init ddjvu render data */
ddjvu_rect_t rrect = { 0, 0, page_width, page_height }; ddjvu_rect_t rrect = { 0, 0, page_width, page_height };
@ -209,9 +209,9 @@ djvu_page_render(zathura_page_t* page)
switch(Zathura.document->rotate) { switch(Zathura.document->rotate) {
case 90: case 90:
tmp = page_width; dim_temp = page_width;
page_width = page_height; page_width = page_height;
page_height = page_tmp; page_height = dim_temp;
rotation = DDJVU_ROTATE_90; rotation = DDJVU_ROTATE_90;
break; break;
@ -219,9 +219,9 @@ djvu_page_render(zathura_page_t* page)
rotation = DDJVU_ROTATE_180; rotation = DDJVU_ROTATE_180;
break; break;
case 270: case 270:
tmp = page_width; dim_temp = page_width;
page_width = page_height; page_width = page_height;
page_height = page_tmp; page_height = dim_temp;
rotation = DDJVU_ROTATE_270; rotation = DDJVU_ROTATE_270;
break; break;

48
ft/pdf/pdf.c
View file

@ -1,8 +1,11 @@
/* See LICENSE file for license and copyright information */ /* See LICENSE file for license and copyright information */
#include <stdlib.h> #include <stdlib.h>
#include <cairo.h>
#include <poppler/glib/poppler.h>
#include "pdf.h" #include "pdf.h"
#include "../../zathura.h"
bool bool
pdf_document_open(zathura_document_t* document) pdf_document_open(zathura_document_t* document)
@ -238,5 +241,48 @@ pdf_page_form_fields_get(zathura_page_t* page)
cairo_surface_t* cairo_surface_t*
pdf_page_render(zathura_page_t* page) pdf_page_render(zathura_page_t* page)
{ {
return NULL; if(Zathura.document || !page || !page->data || !page->document) {
return NULL;
}
/* create cairo data */
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
page->width, page->height);
if(!surface) {
return NULL;
}
cairo_t* cairo = cairo_create(surface);
if(!cairo) {
cairo_surface_destroy(surface);
return NULL;
}
switch(Zathura.document->rotate) {
case 90:
cairo_translate(cairo, page->width, 0);
break;
case 180:
cairo_translate(cairo, page->width, page->height);
break;
case 270:
cairo_translate(cairo, 0, page->height);
break;
default:
cairo_translate(cairo, 0, 0);
break;
}
cairo_scale(cairo, Zathura.document->scale, Zathura.document->scale);
cairo_rotate(cairo, Zathura.document->rotate * G_PI / 180.0);
/* render */
poppler_page_render(page->data, cairo);
cairo_paint(cairo);
cairo_destroy(cairo);
return surface;
} }