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eeshow/gui/render.c (hack): experimental highlighting of changed sub-sheets

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This doesn't quite work yet, due to delta's sheet_eq being overzealous.
But we get the foot in :)
This commit is contained in:
Werner Almesberger 2016-08-20 08:26:34 -03:00
parent 13fcf8ce3a
commit b5d2b05757
1 changed files with 40 additions and 6 deletions
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46
eeshow/gui/render.c
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@ -74,7 +74,7 @@ static inline int cy(int y, int yo, float scale)
static void highlight_glabel(const struct gui_ctx *ctx,
const struct gui_sheet *sheet, cairo_t *cr, int x, int y, float f)
const struct gui_sheet *sheet, cairo_t *cr, int xo, int yo, float f)
{
const struct sch_obj *obj;
@ -90,8 +90,8 @@ static void highlight_glabel(const struct gui_ctx *ctx,
continue;
cairo_rectangle(cr,
cx(bbox->x, x, f) - GLABEL_HIGHLIGHT_PAD,
cy(bbox->y, y, f) - GLABEL_HIGHLIGHT_PAD,
cx(bbox->x, xo, f) - GLABEL_HIGHLIGHT_PAD,
cy(bbox->y, yo, f) - GLABEL_HIGHLIGHT_PAD,
cd(bbox->w, f) + 2 * GLABEL_HIGHLIGHT_PAD,
cd(bbox->h, f) + 2 * GLABEL_HIGHLIGHT_PAD);
cairo_set_source_rgb(cr, 1, 0.8, 1);
@ -103,14 +103,48 @@ static void highlight_glabel(const struct gui_ctx *ctx,
/* ----- Draw to screen ---------------------------------------------------- */
static void hack(const struct gui_ctx *ctx, cairo_t *cr)
/*
* @@@ the highlighting of sub-sheets possibly containing changes is very
* unreliable since sheet_eq (from delta) responds to a lot of purely
* imaginary changes. However, this will be a good way to exercise and improve
* delta.
*/
static void hack(const struct gui_ctx *ctx, cairo_t *cr,
int xo, int yo, float f)
{
const struct gui_sheet *new = ctx->curr_sheet;
const struct gui_sheet *old = find_corresponding_sheet(
ctx->old_hist->sheets, ctx->new_hist->sheets, ctx->curr_sheet);
const struct sch_obj *obj;
struct area *areas = NULL;
for (obj = new->sch->objs; obj; obj = obj->next) {
const struct gui_sheet *new_sub;
const struct gui_sheet *old_sub;
if (obj->type != sch_obj_sheet)
continue;
if (!obj->u.sheet.sheet)
continue;
for (new_sub = ctx->new_hist->sheets;
new_sub && new_sub->sch != obj->u.sheet.sheet;
new_sub = new_sub->next);
if (!new_sub)
continue;
old_sub = find_corresponding_sheet(ctx->old_hist->sheets,
ctx->new_hist->sheets, new_sub);
if (!sheet_eq(new_sub->sch, old_sub->sch))
add_area(&areas, cx(obj->x, xo, f), cy(obj->y, yo, f),
cx(obj->x + obj->u.sheet.w, xo, f),
cy(obj->y + obj->u.sheet.h, yo, f), 0xffff00);
}
diff_to_canvas(cr, ctx->x, ctx->y, 1.0 / (1 << ctx->zoom),
old->gfx_ctx, new->gfx_ctx, NULL);
old->gfx_ctx, new->gfx_ctx, areas);
free_areas(&areas);
}
@ -143,7 +177,7 @@ static gboolean on_draw_event(GtkWidget *widget, cairo_t *cr,
cro_canvas_draw(ctx->delta_a.gfx_ctx, cr, x, y, f);
cro_canvas_draw(ctx->delta_b.gfx_ctx, cr, x, y, f);
#endif
hack(ctx, cr);
hack(ctx, cr, x, y, f);
}
overlay_draw_all(ctx->sheet_overlays, cr,