ref: 5e16a3c98400a0f72a541d9a0cad446449ff3e3b
parent: 1997896377424f52ad5f70c9b6597b878b7d24d7
author: qwx <[email protected]>
date: Thu Feb 6 17:31:33 EST 2020
redraw: most redrawing only involves reseting view offsets and blanking bg
--- a/draw.c
+++ b/draw.c
@@ -154,7 +154,7 @@
if(z < 1 || z > nsamp / Dx(screen->r))
return;
zoom = z;
- redraw();
+ redraw(0);
}
void
@@ -164,7 +164,7 @@
if(zoom == 1 || views == 0 && Δx < 0 || views >= viewmax && Δx > 0)
return;
views += Δx;
- redraw();
+ redraw(0);
}
void
@@ -208,7 +208,7 @@
viewr = rectsubpt(screen->r, screen->r.min);
freeimage(viewbg);
freeimage(view);
- viewbg = eallocimage(viewr, 0, DBlack);
+ viewbg = eallocimage(viewr, 0, DNofill);
view = eallocimage(viewr, 0, DBlack);
if(stereo){midr = viewr;
@@ -228,7 +228,7 @@
}
void
-redraw(void)
+redraw(int all)
{vlong span;
@@ -243,7 +243,9 @@
views = viewmax;
viewe = views + span;
bgofs = views;
- resetdraw();
+ if(all)
+ resetdraw();
+ draw(viewbg, viewbg->r, display->black, nil, ZP);
update();
}
@@ -257,5 +259,5 @@
col[Cloop] = eallocimage(Rect(0,0,1,1), 1, 0x777777FF);
drawbg = drawsamps;
loope = filesz;
- redraw();
+ redraw(1);
}
--- a/fns.h
+++ b/fns.h
@@ -5,6 +5,6 @@
void setloop(vlong);
void setpos(vlong);
void setofs(vlong);
-void redraw(void);
+void redraw(int);
void initdrw(void);
void* emalloc(ulong);
--- a/pplay.c
+++ b/pplay.c
@@ -160,7 +160,7 @@
if(getwindow(display, Refnone) < 0)
sysfatal("resize failed: %r");mo = mc->Mouse;
- redraw();
+ redraw(1);
break;
case 1:
switch(mc->buttons){