mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-24 07:19:37 +03:00
126 lines
3.1 KiB
C
126 lines
3.1 KiB
C
/*
|
|
* Copyright 2011 Ole Loots <ole@monochrom.net>
|
|
*
|
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
|
*
|
|
* NetSurf is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* NetSurf is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "utils/utils.h"
|
|
|
|
#include "atari/redrawslots.h"
|
|
#include "atari/gemtk/gemtk.h"
|
|
|
|
void redraw_slots_init(struct s_redrw_slots * slots, short size)
|
|
{
|
|
// TODO: allocate slots dynamically!
|
|
slots->size = MIN( MAX_REDRW_SLOTS , size);
|
|
slots->areas_used = 0;
|
|
}
|
|
|
|
void redraw_slots_free(struct s_redrw_slots * slots)
|
|
{
|
|
// TOOD: free areas...
|
|
}
|
|
|
|
|
|
static inline bool rect_intersect( struct rect * box1, struct rect * box2 )
|
|
{
|
|
if (box2->x1 < box1->x0)
|
|
return false;
|
|
|
|
if (box2->y1 < box1->y0)
|
|
return false;
|
|
|
|
if (box2->x0 > box1->x1)
|
|
return false;
|
|
|
|
if (box2->y0 > box1->y1)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
void redraw_slot_schedule_grect(struct s_redrw_slots * slots, GRECT *area,
|
|
bool force)
|
|
{
|
|
redraw_slot_schedule(slots, area->g_x, area->g_y,
|
|
area->g_x + area->g_w, area->g_y + area->g_h, force);
|
|
}
|
|
|
|
/*
|
|
schedule redraw coords.
|
|
*/
|
|
void redraw_slot_schedule(struct s_redrw_slots * slots, short x0, short y0,
|
|
short x1, short y1, bool force)
|
|
{
|
|
int i = 0;
|
|
struct rect area;
|
|
|
|
area.x0 = x0;
|
|
area.y0 = y0;
|
|
area.x1 = x1;
|
|
area.y1 = y1;
|
|
|
|
if (force == false) {
|
|
for (i=0; i<slots->areas_used; i++) {
|
|
if (slots->areas[i].x0 <= x0
|
|
&& slots->areas[i].x1 >= x1
|
|
&& slots->areas[i].y0 <= y0
|
|
&& slots->areas[i].y1 >= y1) {
|
|
/* the area is already queued for redraw */
|
|
return;
|
|
} else {
|
|
if (rect_intersect(&slots->areas[i], &area )) {
|
|
slots->areas[i].x0 = MIN(slots->areas[i].x0, x0);
|
|
slots->areas[i].y0 = MIN(slots->areas[i].y0, y0);
|
|
slots->areas[i].x1 = MAX(slots->areas[i].x1, x1);
|
|
slots->areas[i].y1 = MAX(slots->areas[i].y1, y1);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (slots->areas_used < slots->size) {
|
|
slots->areas[slots->areas_used].x0 = x0;
|
|
slots->areas[slots->areas_used].x1 = x1;
|
|
slots->areas[slots->areas_used].y0 = y0;
|
|
slots->areas[slots->areas_used].y1 = y1;
|
|
slots->areas_used++;
|
|
} else {
|
|
/*
|
|
we are out of available slots, merge box with last slot
|
|
this is dumb... but also a very rare case.
|
|
*/
|
|
slots->areas[slots->size-1].x0 = MIN(slots->areas[i].x0, x0);
|
|
slots->areas[slots->size-1].y0 = MIN(slots->areas[i].y0, y0);
|
|
slots->areas[slots->size-1].x1 = MAX(slots->areas[i].x1, x1);
|
|
slots->areas[slots->size-1].y1 = MAX(slots->areas[i].y1, y1);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
void redraw_slots_remove_area(struct s_redrw_slots * slots, int i)
|
|
{
|
|
int x;
|
|
for (x = i+1; i<slots->areas_used; x++) {
|
|
slots->areas[x-1] = slots->areas[x];
|
|
}
|
|
slots->areas_used--;
|
|
}
|