diff options
| author | Thomas White <taw@bitwiz.org.uk> | 2013-09-10 07:35:04 +0200 |
|---|---|---|
| committer | Thomas White <taw@bitwiz.org.uk> | 2013-09-10 07:35:04 +0200 |
| commit | ba50adbd5cc957e40d2496cdbcec6de03b34648e (patch) | |
| tree | bc8f65d78ab9a435bab740de944976b5b43bde02 /src/render.c | |
| parent | d970f81edbcbbcba6137fe1541501ad1af49ab6d (diff) | |
Improve quality of PDF output
Diffstat (limited to 'src/render.c')
| -rw-r--r-- | src/render.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/src/render.c b/src/render.c index 9eb4459..c78cce6 100644 --- a/src/render.c +++ b/src/render.c @@ -493,11 +493,15 @@ cairo_surface_t *render_slide(struct slide *s, int w, double ww, double hh, int export_pdf(struct presentation *p, const char *filename) { int i; + double r; + double w = 2048.0; cairo_surface_t *surf; cairo_t *cr; + double scale; + + r = p->slide_height / p->slide_width; - surf = cairo_pdf_surface_create(filename, p->slide_width, - p->slide_height); + surf = cairo_pdf_surface_create(filename, w, w*r); if ( cairo_surface_status(surf) != CAIRO_STATUS_SUCCESS ) { fprintf(stderr, "Couldn't create Cairo surface\n"); @@ -506,6 +510,9 @@ int export_pdf(struct presentation *p, const char *filename) cr = cairo_create(surf); + scale = w / p->slide_width; + cairo_scale(cr, scale, scale); + for ( i=0; i<p->num_slides; i++ ) { struct slide *s; @@ -517,10 +524,10 @@ int export_pdf(struct presentation *p, const char *filename) s->top->lop.x = 0.0; s->top->lop.y = 0.0; - s->top->lop.w = p->slide_width; - s->top->lop.h = p->slide_height; - s->top->w = p->slide_width; - s->top->h = p->slide_height; + s->top->lop.w = w; + s->top->lop.h = w*r; + s->top->w = w; + s->top->h = w*r; render_frame(cr, s->top, p->is, ISZ_SLIDESHOW, s->constants, s->parent->constants); |