pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added include/touch.h Now reading in resolution of touch pad.

Browse source
This commit is contained in:
Jim Grandpre 2010-06-01 02:54:33 -04:00
parent f75117cf0f
commit 4960f0aff9
7 changed files with 226 additions and 82 deletions
Download patch file Download diff file Expand all files Collapse all files

54
touchTest/touchTest.c
View file

@ -1,7 +1,7 @@
#include <stdio.h>
#include <SDL.h>
#include <math.h>
#include "../src/events/SDL_touch_c.h" //BAD!!!
#include <SDL_touch.h>
#define PI 3.1415926535897
#define WIDTH 640
@ -19,12 +19,12 @@ int bstatus;
typedef struct {
int x,y;
float x,y;
} Point;
typedef struct {
Point p;
int pressure;
float pressure;
} Finger;
@ -32,7 +32,7 @@ Finger finger[MAXFINGERS];
void handler (int sig)
{
printf ("\nexiting...(%d)\n", sig);
printf ("\exiting...(%d)\n", sig);
exit (0);
}
@ -61,8 +61,17 @@ void drawCircle(SDL_Surface* screen,int x,int y,int r,int c)
{
float a;
for(a=0;a<PI/2;a+=1.f/(float)r)
int tx;
for(a=0;a<PI/2;a+=1.f/(float)abs(r))
{
if(r > 0) { //r<0 ==> unfilled circle
for(tx=x-r*cos(a);tx<x+r*cos(a);tx++) {
setpix(screen,tx,(int)(y+r*sin(a)),c);
setpix(screen,tx,(int)(y-r*sin(a)),c);
}
}
//Always Draw Outline
setpix(screen,(int)(x+r*cos(a)),(int)(y+r*sin(a)),c);
setpix(screen,(int)(x-r*cos(a)),(int)(y+r*sin(a)),c);
setpix(screen,(int)(x+r*cos(a)),(int)(y-r*sin(a)),c);
@ -89,12 +98,17 @@ void DrawScreen(SDL_Surface* screen, int h)
setpix(screen,x,y,((x%255)<<16) + ((y%255)<<8) + (x+y)%255);
}
}
drawCircle(screen,mousx,mousy,30,0xFFFFFF);
drawCircle(screen,mousx,mousy,-30,0xFFFFFF);
int i;
for(i=0;i<MAXFINGERS;i++)
if(finger[i].p.x >= 0 && finger[i].p.y >= 0)
drawCircle(screen,finger[i].p.x,finger[i].p.y,20,0xFF6600-finger[i].pressure);
if(finger[i].pressure > 0)
drawCircle(screen,finger[i].p.x*screen->w,finger[i].p.y*screen->h
,20,0xFF*finger[i].pressure);
else
drawCircle(screen,finger[i].p.x*screen->w,finger[i].p.y*screen->h
,20,0xFF);
if(SDL_MUSTLOCK(screen)) SDL_UnlockSurface(screen);
@ -162,14 +176,28 @@ int main(int argc, char* argv[])
bstatus &= ~(1<<(event.button.button-1));
break;
case SDL_FINGERMOTION:
;
//printf("Finger: %i,x: %i, y: %i\n",event.tfinger.fingerId,
// event.tfinger.x,event.tfinger.y);
finger[event.tfinger.fingerId].p.x = event.tfinger.x;
finger[event.tfinger.fingerId].p.y = event.tfinger.y;
finger[event.tfinger.fingerId].pressure = event.tfinger.pressure;
printf("Finger: %i, pressure: %i\n",event.tfinger.fingerId,
event.tfinger.pressure);
SDL_Touch* inTouch = SDL_GetTouch(event.tfinger.touchId);
SDL_Finger* inFinger = SDL_GetFinger(inTouch,event.tfinger.fingerId);
finger[event.tfinger.fingerId].p.x = ((float)event.tfinger.x)/
inTouch->xres;
finger[event.tfinger.fingerId].p.y = ((float)event.tfinger.y)/
inTouch->yres;
finger[event.tfinger.fingerId].pressure =
((float)event.tfinger.pressure)/inTouch->pressureres;
printf("Finger: %i, Pressure: %f Pressureres: %i\n",
event.tfinger.fingerId,
finger[event.tfinger.fingerId].pressure,
inTouch->pressureres);
//printf("Finger: %i, pressure: %f\n",event.tfinger.fingerId,
// finger[event.tfinger.fingerId].pressure);
break;
case SDL_FINGERDOWN:
printf("Figner: %i down - x: %i, y: %i\n",event.tfinger.fingerId,