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authorThomas White <taw@bitwiz.org.uk>2014-10-20 21:38:01 +0200
committerThomas White <taw@bitwiz.org.uk>2014-10-20 21:38:01 +0200
commit3c49a20ead8e15d5bf48a39a66b72c5b2ccef966 (patch)
tree23144585f8924f41e6798756b12d0a24e4417d95
parent9c94f68c4982b09d94f689c6bbf7e28a2074577b (diff)
Size and rendering stuff
-rw-r--r--src/render.c60
-rw-r--r--src/render.h9
-rw-r--r--src/sc_editor.c105
-rw-r--r--src/sc_editor.h2
-rw-r--r--src/slide_window.c2
-rw-r--r--src/slideshow.c6
6 files changed, 88 insertions, 96 deletions
diff --git a/src/render.c b/src/render.c
index 8028ad7..364b7bd 100644
--- a/src/render.c
+++ b/src/render.c
@@ -343,20 +343,18 @@ static int recursive_wrap_and_draw(struct frame *fr, cairo_t *cr,
}
-static void render_slide_to_surface(struct slide *s, cairo_surface_t *surf,
- cairo_t *cr, enum is_size isz,
- double scale,
- ImageStore *is, int slide_number)
+static void render_sc_to_surface(SCBlock *scblocks, cairo_surface_t *surf,
+ cairo_t *cr, double log_w, double log_h,
+ struct frame *top, SCBlock *stylesheet,
+ ImageStore *is, enum is_size isz,
+ int slide_number)
{
PangoFontMap *fontmap;
PangoContext *pc;
SCInterpreter *scin;
char snum[64];
- cairo_scale(cr, scale, scale);
-
- cairo_rectangle(cr, 0.0, 0.0,
- s->parent->slide_width, s->parent->slide_height);
+ cairo_rectangle(cr, 0.0, 0.0, log_w, log_h);
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
cairo_fill(cr);
@@ -372,7 +370,7 @@ static void render_slide_to_surface(struct slide *s, cairo_surface_t *surf,
pc = pango_font_map_create_context(fontmap);
pango_cairo_update_context(cr, pc);
- scin = sc_interp_new(pc, s->top);
+ scin = sc_interp_new(pc, top);
if ( scin == NULL ) {
fprintf(stderr, "Failed to set up interpreter.\n");
return;
@@ -382,10 +380,10 @@ static void render_slide_to_surface(struct slide *s, cairo_surface_t *surf,
add_macro(scin, "slidenumber", snum);
/* "The rendering pipeline" */
- sc_interp_run_stylesheet(scin, s->parent->stylesheet);
- renew_frame(s->top);
- sc_interp_add_blocks(scin, s->scblocks);
- recursive_wrap_and_draw(s->top, cr, is, isz);
+ if ( stylesheet != NULL ) sc_interp_run_stylesheet(scin, stylesheet);
+ renew_frame(top);
+ sc_interp_add_blocks(scin, scblocks);
+ recursive_wrap_and_draw(top, cr, is, isz);
sc_interp_destroy(scin);
cairo_font_options_destroy(fopts);
@@ -396,32 +394,27 @@ static void render_slide_to_surface(struct slide *s, cairo_surface_t *surf,
/**
* 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
+ * @w: Width of bitmap to output
+ * @h: Height of bitmap to produce
+ * @ww: Logical width of the rendering area
+ * @hh: Logical height of the rendering area
*
* Render the entire slide.
*/
-cairo_surface_t *render_slide(struct slide *s, int w, int h,
- double ww, double hh,
- ImageStore *is, enum is_size isz,
- int slide_number)
+cairo_surface_t *render_sc(SCBlock *scblocks, int w, int h,
+ double log_w, double log_h, struct frame *top,
+ SCBlock *stylesheet,
+ ImageStore *is, enum is_size isz,
+ int slide_number)
{
cairo_surface_t *surf;
cairo_t *cr;
- double scale;
-
- scale = w/ww;
-
- s->top->x = 0.0;
- s->top->y = 0.0;
- s->top->w = ww;
- s->top->h = hh;
surf = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
cr = cairo_create(surf);
- render_slide_to_surface(s, surf, cr, isz, scale, is,
- slide_number);
+ cairo_scale(cr, w/log_w, h/log_h);
+ render_sc_to_surface(scblocks, surf, cr, log_w, log_h, top, stylesheet,
+ is, isz,slide_number);
cairo_destroy(cr);
return surf;
}
@@ -455,6 +448,8 @@ int export_pdf(struct presentation *p, const char *filename)
cairo_save(cr);
+ cairo_scale(cr, scale, scale);
+
cairo_rectangle(cr, 0.0, 0.0, p->slide_width, p->slide_height);
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
cairo_fill(cr);
@@ -464,8 +459,9 @@ int export_pdf(struct presentation *p, const char *filename)
s->top->w = w;
s->top->h = w*r;
- render_slide_to_surface(s, surf, cr, ISZ_SLIDESHOW, scale,
- p->is, i);
+ render_sc_to_surface(s->scblocks, surf, cr, p->slide_width,
+ p->slide_height, s->top, p->stylesheet,
+ p->is, ISZ_SLIDESHOW, i);
cairo_restore(cr);
diff --git a/src/render.h b/src/render.h
index 4e1d86a..5354deb 100644
--- a/src/render.h
+++ b/src/render.h
@@ -30,9 +30,12 @@
#include "presentation.h"
#include "imagestore.h"
-extern cairo_surface_t *render_slide(struct slide *s, int w, int h,
- double ww, double hh, ImageStore *is,
- enum is_size isz, int slide_number);
+extern cairo_surface_t *render_sc(SCBlock *scblocks, int w, int h,
+ double log_w, double log_h, struct frame *top,
+ SCBlock *stylesheet,
+ ImageStore *is, enum is_size isz,
+ int slide_number);
+
extern int export_pdf(struct presentation *p, const char *filename);
#endif /* RENDER_H */
diff --git a/src/sc_editor.c b/src/sc_editor.c
index 69a9cf7..8573259 100644
--- a/src/sc_editor.c
+++ b/src/sc_editor.c
@@ -78,16 +78,17 @@ struct _sceditor
GtkIMContext *im_context;
int w; /* Surface size in pixels */
int h;
- double ww; /* Size of surface in "SC units" */
- double hh;
- struct presentation *p;
+ double log_w; /* Size of surface in "SC units" */
+ double log_h;
+ SCBlock *scblocks;
cairo_surface_t *surface;
+ struct frame top;
+ SCBlock *stylesheet;
+ ImageStore *is;
/* Pointers to the frame currently being edited */
struct frame *selection;
- struct slide *cur_slide;
-
PangoContext *pc;
/* Location of the cursor */
@@ -125,19 +126,17 @@ struct _sceditor
};
-/* Update a slide, once it's been edited in some way. */
-static void rerender_slide(SCEditor *e)
+/* Update the view, once it's been edited in some way. */
+static void rerender(SCEditor *e)
{
- struct slide *s = e->cur_slide;
- int n = slide_number(e->p, s);
-
if ( e->surface != NULL ) {
cairo_surface_destroy(e->surface);
}
- e->surface = render_slide(s, e->w, e->h,
- e->p->slide_width, e->p->slide_height,
- e->p->is, ISZ_EDITOR, n);
+ /* FIXME: Slide number, if appropriate */
+ e->surface = render_sc(e->scblocks, e->w, e->h, e->log_w, e->log_h,
+ &e->top, e->stylesheet, e->is, ISZ_EDITOR,
+ 0);
}
@@ -461,11 +460,11 @@ static gboolean draw_sig(GtkWidget *da, cairo_t *cr,
/* Overall background */
cairo_rectangle(cr, 0.0, 0.0, width, height);
- if ( slideshow_linked(e->p->slideshow) ) {
- cairo_set_source_rgb(cr, 1.0, 0.3, 0.2);
- } else {
+// if ( slideshow_linked(e->p->slideshow) ) {
+// cairo_set_source_rgb(cr, 1.0, 0.3, 0.2);
+// } else {
cairo_set_source_rgb(cr, 0.9, 0.9, 0.9);
- }
+// } FIXME
cairo_fill(cr);
/* Get the overall size */
@@ -561,7 +560,7 @@ static void insert_text(char *t, SCEditor *e)
fr->empty = 0;
- rerender_slide(e);
+ rerender(e);
fixup_cursor(e);
advance_cursor(e);
@@ -606,7 +605,7 @@ static void do_backspace(struct frame *fr, SCEditor *e)
// scbl = sc_block_next(scbl);
// } while ( (scbl != fbox->scblock) && (scbl != NULL) );
- rerender_slide(e);
+ rerender(e);
fixup_cursor(e);
redraw_editor(e);
}
@@ -615,17 +614,7 @@ static void do_backspace(struct frame *fr, SCEditor *e)
static gboolean im_commit_sig(GtkIMContext *im, gchar *str,
SCEditor *e)
{
- if ( e->selection == NULL ) {
- if ( str[0] == 'b' ) {
- check_toggle_blank(e->p->slideshow);
- } else {
- printf("IM keypress: %s\n", str);
- }
- return FALSE;
- }
-
insert_text(str, e);
-
return FALSE;
}
@@ -827,7 +816,7 @@ static gboolean button_press_sig(GtkWidget *da, GdkEventButton *event,
if ( within_frame(e->selection, x, y) ) {
clicked = e->selection;
} else {
- clicked = find_frame_at_position(e->cur_slide->top, x, y);
+ clicked = find_frame_at_position(&e->top, x, y);
}
/* If the user clicked the currently selected frame, position cursor
@@ -870,7 +859,7 @@ static gboolean button_press_sig(GtkWidget *da, GdkEventButton *event,
}
- } else if ( (clicked == NULL) || (clicked == e->cur_slide->top) ) {
+ } else if ( (clicked == NULL) || (clicked == &e->top) ) {
/* Clicked no object. Deselect old object and set up for
* (maybe) creating a new one. */
@@ -953,7 +942,7 @@ static struct frame *create_frame(SCEditor *e, double x, double y,
struct frame *parent;
struct frame *fr;
- parent = e->cur_slide->top;
+ parent = &e->top;
if ( w < 0.0 ) {
x += w;
@@ -968,7 +957,7 @@ static struct frame *create_frame(SCEditor *e, double x, double y,
fr = add_subframe(parent);
/* Add to SC */
- fr->scblocks = sc_block_append_end(e->cur_slide->scblocks,
+ fr->scblocks = sc_block_append_end(e->scblocks,
"f", NULL, NULL);
sc_block_set_frame(fr->scblocks, fr);
sc_block_append_inside(fr->scblocks, NULL, NULL, strdup(""));
@@ -1009,7 +998,7 @@ static void do_resize(SCEditor *e, double x, double y, double w, double h)
fr->h = h;
update_geom(fr);
- rerender_slide(e);
+ rerender(e);
redraw_editor(e);
}
@@ -1041,7 +1030,7 @@ static gboolean button_release_sig(GtkWidget *da, GdkEventButton *event,
fr = create_frame(e, e->start_corner_x, e->start_corner_y,
e->drag_corner_x - e->start_corner_x,
e->drag_corner_y - e->start_corner_y);
- rerender_slide(e);
+ rerender(e);
e->selection = fr;
break;
@@ -1091,7 +1080,6 @@ static gboolean key_press_sig(GtkWidget *da, GdkEventKey *event,
break;
case GDK_KEY_Escape :
- if ( e->p->slideshow != NULL ) end_slideshow(e->p->slideshow);
e->selection = NULL;
redraw_editor(e);
claim = 1;
@@ -1142,19 +1130,6 @@ static gboolean key_press_sig(GtkWidget *da, GdkEventKey *event,
}
break;
- case GDK_KEY_B :
- case GDK_KEY_b :
- if ( e->p->slideshow != NULL ) {
- //if ( p->prefs->b_splits ) {
- toggle_slideshow_link(e->p->slideshow);
- //} else {
- // p->ss_blank = 1-p->ss_blank;
- // redraw_slideshow(p);
- //}
- }
- claim = 1;
- break;
-
}
if ( claim ) return TRUE;
@@ -1362,8 +1337,8 @@ static void dnd_receive(GtkWidget *widget, GdkDragContext *drag_context,
fr->is_image = 1;
fr->empty = 0;
sc_block_append_inside(fr->scblocks, "image", opts, "");
- show_hierarchy(e->cur_slide->top, "");
- rerender_slide(e);
+ show_hierarchy(&e->top, "");
+ rerender(e);
e->selection = fr;
redraw_editor(e);
free(filename);
@@ -1408,7 +1383,7 @@ static gint realise_sig(GtkWidget *da, SCEditor *e)
/* FIXME: Can do this "properly" by setting up a separate font map */
e->pc = gtk_widget_get_pango_context(e->drawingarea);
- rerender_slide(e);
+ rerender(e);
return FALSE;
}
@@ -1432,8 +1407,15 @@ void sc_editor_set_size(SCEditor *e, int w, int h)
}
+void sc_editor_set_logical_size(SCEditor *e, double w, double h)
+{
+ e->log_w = w;
+ e->log_h = h;
+}
+
+
/* FIXME: GObjectify this */
-SCEditor *sc_editor_new(struct presentation *p)
+SCEditor *sc_editor_new(SCBlock *scblocks)
{
SCEditor *sceditor;
GtkTargetEntry targets[1];
@@ -1441,14 +1423,23 @@ SCEditor *sc_editor_new(struct presentation *p)
sceditor = calloc(1, sizeof(SCEditor));
if ( sceditor == NULL ) return NULL;
- sceditor->p = p;
+ sceditor->scblocks = scblocks;
sceditor->drawingarea = gtk_drawing_area_new();
- sceditor->cur_slide = p->slides[0]; /* FIXME */
sceditor->surface = NULL;
sceditor->w = 100;
sceditor->h = 100;
-
- rerender_slide(sceditor);
+ sceditor->log_w = 100;
+ sceditor->log_h = 100;
+ sceditor->is = imagestore_new();
+
+ sceditor->top.children = NULL;
+ sceditor->top.num_children = 0;
+ sceditor->top.max_children = 0;
+ sceditor->top.lines = NULL;
+ sceditor->top.n_lines = 0;
+ sceditor->top.max_lines = 0;
+
+ rerender(sceditor);
gtk_widget_set_size_request(GTK_WIDGET(sceditor->drawingarea),
sceditor->w, sceditor->h);
diff --git a/src/sc_editor.h b/src/sc_editor.h
index 664d6e8..694ad5b 100644
--- a/src/sc_editor.h
+++ b/src/sc_editor.h
@@ -35,7 +35,7 @@ typedef struct _sceditor SCEditor;
extern void sc_editor_set_slide(SCEditor *e, struct slide *s);
extern GtkWidget *sc_editor_get_widget(SCEditor *e);
-extern SCEditor *sc_editor_new(struct presentation *p);
+extern SCEditor *sc_editor_new(SCBlock *scblocks);
extern void sc_editor_set_size(SCEditor *e, int w, int h);
#endif /* SC_EDITOR_H */
diff --git a/src/slide_window.c b/src/slide_window.c
index 0ca5f8f..380ed2e 100644
--- a/src/slide_window.c
+++ b/src/slide_window.c
@@ -601,7 +601,7 @@ SlideWindow *slide_window_open(struct presentation *p, GApplication *app)
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add(GTK_CONTAINER(window), vbox);
- sw->sceditor = sc_editor_new(p);
+ sw->sceditor = sc_editor_new(sw->cur_slide->scblocks);
scroll = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
GTK_POLICY_AUTOMATIC,
diff --git a/src/slideshow.c b/src/slideshow.c
index bd26d03..5f4e93e 100644
--- a/src/slideshow.c
+++ b/src/slideshow.c
@@ -72,11 +72,13 @@ void slideshow_rerender(SlideShow *ss)
int n;
n = slide_number(ss->p, ss->cur_slide);
- ss->surface = render_slide(ss->cur_slide,
+ ss->surface = render_sc(ss->cur_slide->scblocks,
ss->slide_width,
ss->slide_height,
ss->p->slide_width,
ss->p->slide_height,
+ ss->cur_slide->top,
+ ss->p->stylesheet,
ss->p->is, ISZ_SLIDESHOW, n);
}
@@ -174,7 +176,7 @@ void toggle_slideshow_link(SlideShow *ss)
if ( ss->linked ) {
change_proj_slide(ss, ss->p->cur_edit_slide);
}
- redraw_editor(ss->p);
+ //redraw_editor(ss->p); FIXME
}