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SDL: Greatly improve drawing speed of GTK+ debugger windows [Fabrice Bellet]

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This commit is contained in:
R. Belmont 2012-07-13 01:46:26 +00:00
parent d1ab4b9bca
commit b3dec1e4f7
1 changed files with 51 additions and 43 deletions
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26
src/osd/sdl/dview.c
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@ -12,8 +12,9 @@ static gboolean dview_expose(GtkWidget *wdv, GdkEventExpose *event)
DView *dv = DVIEW(wdv);
DViewClass *dvc = DVIEW_GET_CLASS(dv);
debug_view_xy vsize;
UINT32 i, j, xx, yy;
UINT32 i, j, k, l, xx, yy;
GdkColor bg, fg;
char s[256];
vsize = dv->view->visible_size();
@ -32,19 +33,21 @@ static gboolean dview_expose(GtkWidget *wdv, GdkEventExpose *event)
yy = wdv->style->ythickness;
for(j=0; j<vsize.y; j++) {
k = l = 0;
xx = wdv->style->xthickness;
for(i=0; i<vsize.x; i++) {
unsigned char attr = viewdata->attrib;
char s[3];
unsigned char v = viewdata->byte;
if(v < 128) {
s[0] = v;
s[1] = 0;
s[k++] = v;
} else {
s[0] = 0xc0 | (v>>6);
s[1] = 0x80 | (v & 0x3f);
s[2] = 0;
s[k++] = 0xc0 | (v>>6);
s[k++] = 0x80 | (v & 0x3f);
}
l++;
if ( i == 0 || attr != viewdata[-1].attrib ) {
bg.red = bg.green = bg.blue = 0xffff;
fg.red = fg.green = fg.blue = 0;
@ -76,14 +79,19 @@ static gboolean dview_expose(GtkWidget *wdv, GdkEventExpose *event)
fg.red = fg.blue = 0;
fg.green = 0x8080;
}
}
if ( i == vsize.x - 1 || attr != viewdata[1].attrib || k >= 254 ) {
s[k++] = 0;
pango_layout_set_text(dv->playout, s, -1);
gdk_gc_set_rgb_fg_color(dv->gc, &bg);
gdk_draw_rectangle(GDK_DRAWABLE(wdv->window), dv->gc, TRUE, xx, yy, dvc->fixedfont_width, dvc->fixedfont_height);
gdk_draw_rectangle(GDK_DRAWABLE(wdv->window), dv->gc, TRUE, xx, yy, l * dvc->fixedfont_width, dvc->fixedfont_height);
gdk_gc_set_rgb_fg_color(dv->gc, &fg);
gdk_draw_layout(GDK_DRAWABLE(wdv->window), dv->gc, xx, yy, dv->playout);
xx += dvc->fixedfont_width;
xx += l * dvc->fixedfont_width;
l = k = 0;
}
viewdata++;
}
yy += dvc->fixedfont_height;