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Diffstat (limited to 'src/render.c')
-rw-r--r--src/render.c154
1 files changed, 119 insertions, 35 deletions
diff --git a/src/render.c b/src/render.c
index a2ecaac..8a3207c 100644
--- a/src/render.c
+++ b/src/render.c
@@ -65,7 +65,7 @@ static void draw_outline(cairo_t *cr, struct wrap_box *box)
cairo_set_line_width(cr, 0.1);
cairo_stroke(cr);
- snprintf(tmp, 31, "%i", box->sc_offset);
+ snprintf(tmp, 31, "%lli", (long long int)box->sc_offset);
cairo_select_font_face(cr, "Sans", CAIRO_FONT_SLANT_ITALIC,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(cr, 10.0);
@@ -182,8 +182,46 @@ static void render_lines(struct frame *fr, cairo_t *cr)
}
+static void run_render_sc(cairo_t *cr, struct frame *fr, const char *sc)
+{
+ SCBlockList *bl;
+ SCBlockListIterator *iter;
+ struct scblock *b;
+
+ bl = sc_find_blocks(sc, "bgcol");
+
+ if ( bl == NULL ) {
+ printf("Failed to find blocks.\n");
+ return;
+ }
+
+ for ( b = sc_block_list_first(bl, &iter);
+ b != NULL;
+ b = sc_block_list_next(bl, iter) )
+ {
+ GdkColor col;
+
+ if ( b->contents == NULL ) continue;
+ gdk_color_parse(b->contents, &col);
+ cairo_rectangle(cr, 0, 0, fr->w, fr->h);
+ gdk_cairo_set_source_color(cr, &col);
+ cairo_fill(cr);
+
+ }
+ sc_block_list_free(bl);
+}
+
+
+
+static void do_background(cairo_t *cr, struct frame *fr)
+{
+ run_render_sc(cr, fr, fr->style->sc_prologue);
+ run_render_sc(cr, fr, fr->sc);
+}
+
+
/* Render Level 1 Storycode (no subframes) */
-static int render_sc(struct frame *fr)
+static int render_sc(struct frame *fr, double scale)
{
int i;
cairo_t *cr;
@@ -202,9 +240,13 @@ static int render_sc(struct frame *fr)
/* Create surface and Cairo stuff */
if ( fr->contents != NULL ) cairo_surface_destroy(fr->contents);
+ /* Rounding to get the bitmap size */
fr->contents = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
- fr->w, fr->h);
+ fr->pix_w, fr->pix_h);
cr = cairo_create(fr->contents);
+ cairo_scale(cr, scale, scale);
+
+ do_background(cr, fr);
cairo_font_options_t *fopts;
fopts = cairo_font_options_create();
@@ -216,6 +258,7 @@ static int render_sc(struct frame *fr)
/* Find and load font */
fontmap = pango_cairo_font_map_get_default();
pc = pango_font_map_create_context(fontmap);
+ pango_cairo_update_context(cr, pc);
/* Set up lines */
if ( wrap_contents(fr, pc) ) {
@@ -236,7 +279,7 @@ static int render_sc(struct frame *fr)
}
-static int render_frame(struct frame *fr, cairo_t *cr)
+static int render_frame(struct frame *fr, double scale)
{
if ( fr->num_children > 0 ) {
@@ -259,7 +302,7 @@ static int render_frame(struct frame *fr, cairo_t *cr)
switch ( ch->lop.w_units ) {
case UNITS_SLIDE :
- ch->w = ch->lop.w - mtot;
+ ch->w = ch->lop.w;
break;
case UNITS_FRAC :
@@ -273,7 +316,7 @@ static int render_frame(struct frame *fr, cairo_t *cr)
switch ( ch->lop.h_units ) {
case UNITS_SLIDE :
- ch->h = ch->lop.h - mtot;
+ ch->h = ch->lop.h;
break;
case UNITS_FRAC :
@@ -282,7 +325,10 @@ static int render_frame(struct frame *fr, cairo_t *cr)
}
- render_frame(ch, cr);
+ /* Rounding to get bitmap size */
+ ch->pix_w = ch->w*scale;
+ ch->pix_h = ch->h*scale;
+ render_frame(ch, scale);
ch->x = ch->lop.x + fr->lop.pad_l + ch->lop.margin_l;
ch->y = ch->lop.y + fr->lop.pad_t + ch->lop.margin_t;
@@ -291,7 +337,7 @@ static int render_frame(struct frame *fr, cairo_t *cr)
} else {
- render_sc(fr);
+ render_sc(fr, scale);
}
@@ -338,33 +384,29 @@ void free_render_buffers_except_thumb(struct slide *s)
}
-
-static void do_composite(struct frame *fr, cairo_t *cr)
+static void do_composite(struct frame *fr, cairo_t *cr, double scale)
{
if ( fr->contents == NULL ) return;
- cairo_save(cr);
- cairo_rectangle(cr, fr->x, fr->y, fr->w, fr->h);
- cairo_clip(cr);
- cairo_set_source_surface(cr, fr->contents, fr->x, fr->y);
- cairo_paint(cr);
- cairo_restore(cr);
+ cairo_rectangle(cr, scale*fr->x, scale*fr->y, fr->pix_w, fr->pix_h);
+ cairo_set_source_surface(cr, fr->contents, scale*fr->x, scale*fr->y);
+ cairo_fill(cr);
+// cairo_rectangle(cr, scale*fr->x, scale*fr->y, fr->pix_w, fr->pix_h);
// cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
-// cairo_rectangle(cr, fr->x+0.5, fr->y+0.5, fr->w, fr->h);
// cairo_stroke(cr);
}
static int composite_frames_at_level(struct frame *fr, cairo_t *cr,
- int level, int cur_level)
+ int level, int cur_level, double scale)
{
int i;
if ( level == cur_level ) {
/* This frame is at the right level, so composite it */
- do_composite(fr, cr);
+ do_composite(fr, cr, scale);
return 1;
} else {
@@ -373,7 +415,8 @@ static int composite_frames_at_level(struct frame *fr, cairo_t *cr,
for ( i=0; i<fr->num_children; i++ ) {
n += composite_frames_at_level(fr->children[i], cr,
- level, cur_level+1);
+ level, cur_level+1,
+ scale);
}
return n;
@@ -382,22 +425,73 @@ static int composite_frames_at_level(struct frame *fr, cairo_t *cr,
}
-static void composite_slide(struct slide *s, cairo_t *cr)
+static void composite_slide(struct slide *s, cairo_t *cr, double scale)
{
int level = 0;
int more = 0;
do {
- more = composite_frames_at_level(s->top, cr, level, 0);
+ more = composite_frames_at_level(s->top, cr, level, 0, scale);
level++;
} while ( more != 0 );
}
-cairo_surface_t *render_slide(struct slide *s, int w, int h)
+static void show_heirarchy(struct frame *fr, const char *t)
+{
+ int i;
+ char tn[1024];
+
+ strcpy(tn, t);
+ strcat(tn, " |-> ");
+
+ printf("%s%p %s (%i x %i) / (%.2f x %.2f)\n", t, fr, fr->sc,
+ fr->pix_w, fr->pix_h, fr->w, fr->h);
+
+ for ( i=0; i<fr->num_children; i++ ) {
+ if ( fr->children[i] != fr ) {
+ show_heirarchy(fr->children[i], tn);
+ } else {
+ printf("%s<this frame>\n", tn);
+ }
+ }
+
+}
+
+
+
+/**
+ * render_slide:
+ * @s: A slide.
+ * @w: Width of the bitmap to produce
+ * @ww: Width of the slide in Cairo units
+ * @hh: Height of the slide in Cairo units
+ *
+ * Render the entire slide.
+ */
+cairo_surface_t *render_slide(struct slide *s, int w, double ww, double hh)
{
cairo_surface_t *surf;
cairo_t *cr;
+ int h;
+ double scale;
+
+ h = (hh/ww)*w;
+ scale = w/ww;
+
+ if ( s->top->style != NULL ) {
+ memcpy(&s->top->lop, &s->top->style->lop,
+ sizeof(struct layout_parameters));
+ }
+ s->top->lop.x = 0.0;
+ s->top->lop.y = 0.0;
+ s->top->lop.w = ww;
+ s->top->lop.h = hh;
+ s->top->w = ww;
+ s->top->h = hh;
+ s->top->pix_w = w;
+ s->top->pix_h = h;
+ render_frame(s->top, scale);
surf = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
@@ -412,19 +506,9 @@ cairo_surface_t *render_slide(struct slide *s, int w, int h)
cairo_set_line_width(cr, 1.0);
cairo_stroke(cr);
- if ( s->top->style != NULL ) {
- memcpy(&s->top->lop, &s->top->style->lop,
- sizeof(struct layout_parameters));
- }
- s->top->lop.x = 0.0;
- s->top->lop.y = 0.0;
- s->top->lop.w = w;
- s->top->lop.h = h;
- s->top->w = w;
- s->top->h = h;
- render_frame(s->top, cr);
+ show_heirarchy(s->top, "");
- composite_slide(s, cr);
+ composite_slide(s, cr, scale);
cairo_destroy(cr);
recursive_buffer_free(s->top);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-30 01:25:30 +0000