From e0e1a1f26c7967b075ae33c8e994919bafa7808d Mon Sep 17 00:00:00 2001
From: sam <sam@92316355-f0b4-4df1-b90c-862c8a59935f>
Date: Fri, 16 Jan 2009 14:23:23 +0000
Subject: [PATCH] storyboard.c: add decorations around thumbnails
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@3352 92316355-f0b4-4df1-b90c-862c8a59935f
---
examples/storyboard.c | 53 ++++++++++++++++++++++++++++++++++++++++---
1 file changed, 50 insertions(+), 3 deletions(-)
diff --git a/examples/storyboard.c b/examples/storyboard.c
index ba3c589..09f4bf0 100644
--- a/examples/storyboard.c
+++ b/examples/storyboard.c
@@ -24,7 +24,7 @@
#include <pipi.h>
-#define STEP 15
+#define STEP 12
#define TWIDTH 90
#define THEIGHT 60
@@ -33,6 +33,7 @@
#define NTHUMBS (TCOLS*TROWS)
static int similar(uint8_t *img1, uint8_t *img2);
+static void decorate(uint8_t *img);
int main(int argc, char *argv[])
{
@@ -135,6 +136,8 @@ int main(int argc, char *argv[])
sws_scale(sws, frame->data, frame->linesize, 0, ctx->height,
&start, &pitch);
+ decorate(start);
+
if(idx > 0)
{
uint8_t *prev;
@@ -167,8 +170,8 @@ static int similar(uint8_t *img1, uint8_t *img2)
{
int x, y, t, a, b, changed = 0;
- for(y = 1; y < THEIGHT - 1; y++)
- for(x = 1; x < TWIDTH - 1; x++)
+ for(y = 2; y < THEIGHT - 2; y++)
+ for(x = 2; x < TWIDTH - 2; x++)
{
int offset = y * TWIDTH * TCOLS + x;
int ok = 0;
@@ -210,3 +213,47 @@ static int similar(uint8_t *img1, uint8_t *img2)
return changed < (TWIDTH * THEIGHT * 10 / 100);
}
+static void decorate(uint8_t *img)
+{
+ static int const hi = 200;
+ static int const lo = 50;
+ static int const mid = (hi + lo) / 2;
+ int x, y;
+
+ for(y = 0; y < THEIGHT; y++)
+ {
+ img[(y * TWIDTH * TCOLS) * 4] = hi;
+ img[(y * TWIDTH * TCOLS) * 4 + 1] = hi;
+ img[(y * TWIDTH * TCOLS) * 4 + 2] = hi;
+ img[(y * TWIDTH * TCOLS + TWIDTH - 1) * 4] = lo;
+ img[(y * TWIDTH * TCOLS + TWIDTH - 1) * 4 + 1] = lo;
+ img[(y * TWIDTH * TCOLS + TWIDTH - 1) * 4 + 2] = lo;
+ }
+
+ for(x = 0; x < TWIDTH; x++)
+ {
+ img[x * 4] = hi;
+ img[x * 4 + 1] = hi;
+ img[x * 4 + 2] = hi;
+ img[((THEIGHT - 1) * TWIDTH * TCOLS + x) * 4] = lo;
+ img[((THEIGHT - 1) * TWIDTH * TCOLS + x) * 4 + 1] = lo;
+ img[((THEIGHT - 1) * TWIDTH * TCOLS + x) * 4 + 2] = lo;
+ }
+
+ img[0] = (mid + hi) / 2;
+ img[1] = (mid + hi) / 2;
+ img[2] = (mid + hi) / 2;
+
+ img[(TWIDTH - 1) * 4 + 0] = mid;
+ img[(TWIDTH - 1) * 4 + 1] = mid;
+ img[(TWIDTH - 1) * 4 + 2] = mid;
+
+ img[((THEIGHT - 1) * TWIDTH * TCOLS) * 4 + 0] = mid;
+ img[((THEIGHT - 1) * TWIDTH * TCOLS) * 4 + 1] = mid;
+ img[((THEIGHT - 1) * TWIDTH * TCOLS) * 4 + 2] = mid;
+
+ img[((THEIGHT - 1) * TWIDTH * TCOLS + TWIDTH - 1) * 4 + 0] = (mid + lo) / 2;
+ img[((THEIGHT - 1) * TWIDTH * TCOLS + TWIDTH - 1) * 4 + 1] = (mid + lo) / 2;
+ img[((THEIGHT - 1) * TWIDTH * TCOLS + TWIDTH - 1) * 4 + 2] = (mid + lo) / 2;
+}
+