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eeshow/gui.c: experimentally use pixel differences (WIP)

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This still has a number of bugs but the basics work.
The most glaring issues:
- AoI coordinates are wrong, so AoIs don't really work
- "center and zoom to extents" is all wrong
This commit is contained in:
Werner Almesberger 2016-08-09 10:16:31 -03:00
parent e59fff3363
commit 4988736351
1 changed files with 28 additions and 0 deletions
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28
eeshow/gui.c
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@ -34,6 +34,7 @@
#include "git-hist.h"
#include "sch.h"
#include "delta.h"
#include "diff.h"
#include "gui-aoi.h"
#include "gui-over.h"
#include "gui.h"
@ -140,6 +141,17 @@ static struct gui_sheet *find_corresponding_sheet(struct gui_sheet *pick_from,
#define SHEET_OVERLAYS_Y 10
static void hack(const struct gui_ctx *ctx, cairo_t *cr)
{
const struct gui_sheet *a = ctx->curr_sheet;
const struct gui_sheet *b = find_corresponding_sheet(
ctx->last_hist->sheets, ctx->curr_hist->sheets, ctx->curr_sheet);
diff_to_canvas(cr, ctx->x, ctx->y, 1.0 / (1 << ctx->zoom),
a->gfx_ctx, b->gfx_ctx);
}
static gboolean on_draw_event(GtkWidget *widget, cairo_t *cr,
gpointer user_data)
{
@ -157,10 +169,13 @@ static gboolean on_draw_event(GtkWidget *widget, cairo_t *cr,
if (!ctx->last_hist) {
cro_canvas_draw(sheet->gfx_ctx, cr, x, y, f);
} else {
#if 0
/* @@@ fix geometry later */
cro_canvas_draw(ctx->delta_ab.gfx_ctx, cr, x, y, f);
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);
}
overlay_draw_all(ctx->sheet_overlays, cr,
@ -186,8 +201,13 @@ static void render_sheet(struct gui_sheet *sheet)
}
/* @@@ not nice to have this so far out */
static void mark_aois(struct gui_ctx *ctx, struct gui_sheet *sheet);
static void render_delta(struct gui_ctx *ctx)
{
#if 0
struct sheet *sch_a, *sch_b, *sch_ab;
const struct gui_sheet *a = ctx->curr_sheet;
const struct gui_sheet *b = find_corresponding_sheet(
@ -211,6 +231,14 @@ static void render_delta(struct gui_ctx *ctx)
cro_color_override(ctx->delta_b.gfx_ctx, COLOR_GREEN2);
// @@@ clean up when leaving sheet
#endif
struct gui_sheet *b = find_corresponding_sheet(
ctx->last_hist->sheets, ctx->curr_hist->sheets, ctx->curr_sheet);
if (!b->rendered) {
render_sheet(b);
mark_aois(ctx, b);
}
}