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eeshow/gui/render.c: NULL backpointers for delta; don't try to pl_render

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This commit is contained in:
Werner Almesberger 2016-08-22 07:01:37 -03:00
parent 28baddb59f
commit de8f992158
1 changed files with 4 additions and 1 deletions
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5
eeshow/gui/render.c
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@ -231,7 +231,7 @@ void render_sheet(struct gui_sheet *sheet)
char *argv[] = { "gui", NULL };
gfx_init(&cro_canvas_ops, 1, argv);
if (sheet->ctx->pl)
if (sheet->ctx && sheet->ctx->pl) /* @@@ no pl_render for delta */
pl_render(sheet->ctx->pl, sheet->hist->sch_ctx.sheets,
sheet->sch);
sch_render(sheet->sch);
@ -261,6 +261,9 @@ void render_delta(struct gui_ctx *ctx)
ctx->delta_b.sch = sch_b,
ctx->delta_ab.sch = sch_ab,
ctx->delta_a.ctx = ctx->delta_b.ctx = ctx->delta_ab.ctx = NULL;
ctx->delta_a.hist = ctx->delta_b.hist = ctx->delta_ab.hist = NULL;
render_sheet(&ctx->delta_a);
render_sheet(&ctx->delta_b);
render_sheet(&ctx->delta_ab);