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-rw-r--r--3rdparty/SDL2/test/testgesture.c310
1 files changed, 0 insertions, 310 deletions
diff --git a/3rdparty/SDL2/test/testgesture.c b/3rdparty/SDL2/test/testgesture.c
deleted file mode 100644
index a289ce133a8..00000000000
--- a/3rdparty/SDL2/test/testgesture.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely.
-*/
-/* Usage:
- * Spacebar to begin recording a gesture on all touches.
- * s to save all touches into "./gestureSave"
- * l to load all touches from "./gestureSave"
- */
-
-#include "SDL.h"
-#include <stdlib.h> /* for exit() */
-
-#ifdef __EMSCRIPTEN__
-#include <emscripten/emscripten.h>
-#endif
-
-#define WIDTH 640
-#define HEIGHT 480
-#define BPP 4
-#define DEPTH 32
-
-/* MUST BE A POWER OF 2! */
-#define EVENT_BUF_SIZE 256
-
-
-#define VERBOSE 0
-
-static SDL_Event events[EVENT_BUF_SIZE];
-static int eventWrite;
-
-
-static int colors[7] = {0xFF,0xFF00,0xFF0000,0xFFFF00,0x00FFFF,0xFF00FF,0xFFFFFF};
-
-SDL_Surface *screen;
-SDL_Window *window;
-SDL_bool quitting = SDL_FALSE;
-
-typedef struct {
- float x,y;
-} Point;
-
-typedef struct {
- float ang,r;
- Point p;
-} Knob;
-
-static Knob knob;
-
-void setpix(SDL_Surface *screen, float _x, float _y, unsigned int col)
-{
- Uint32 *pixmem32;
- Uint32 colour;
- Uint8 r,g,b;
- int x = (int)_x;
- int y = (int)_y;
- float a;
-
- if(x < 0 || x >= screen->w) return;
- if(y < 0 || y >= screen->h) return;
-
- pixmem32 = (Uint32*) screen->pixels + y*screen->pitch/BPP + x;
-
- SDL_memcpy(&colour,pixmem32,screen->format->BytesPerPixel);
-
- SDL_GetRGB(colour,screen->format,&r,&g,&b);
- /* r = 0;g = 0; b = 0; */
- a = (float)((col>>24)&0xFF);
- if(a == 0) a = 0xFF; /* Hack, to make things easier. */
- a /= 0xFF;
- r = (Uint8)(r*(1-a) + ((col>>16)&0xFF)*(a));
- g = (Uint8)(g*(1-a) + ((col>> 8)&0xFF)*(a));
- b = (Uint8)(b*(1-a) + ((col>> 0)&0xFF)*(a));
- colour = SDL_MapRGB( screen->format,r, g, b);
-
-
- *pixmem32 = colour;
-}
-
-void drawLine(SDL_Surface *screen,float x0,float y0,float x1,float y1,unsigned int col) {
- float t;
- for(t=0;t<1;t+=(float)(1.f/SDL_max(SDL_fabs(x0-x1),SDL_fabs(y0-y1))))
- setpix(screen,x1+t*(x0-x1),y1+t*(y0-y1),col);
-}
-
-void drawCircle(SDL_Surface* screen,float x,float y,float r,unsigned int c)
-{
- float tx,ty;
- float xr;
- for(ty = (float)-SDL_fabs(r);ty <= (float)SDL_fabs((int)r);ty++) {
- xr = (float)SDL_sqrt(r*r - ty*ty);
- if(r > 0) { /* r > 0 ==> filled circle */
- for(tx=-xr+.5f;tx<=xr-.5;tx++) {
- setpix(screen,x+tx,y+ty,c);
- }
- }
- else {
- setpix(screen,x-xr+.5f,y+ty,c);
- setpix(screen,x+xr-.5f,y+ty,c);
- }
- }
-}
-
-void drawKnob(SDL_Surface* screen,Knob k) {
- drawCircle(screen,k.p.x*screen->w,k.p.y*screen->h,k.r*screen->w,0xFFFFFF);
- drawCircle(screen,(k.p.x+k.r/2*SDL_cosf(k.ang))*screen->w,
- (k.p.y+k.r/2*SDL_sinf(k.ang))*screen->h,k.r/4*screen->w,0);
-}
-
-void DrawScreen(SDL_Surface* screen, SDL_Window* window)
-{
- int i;
-#if 1
- SDL_FillRect(screen, NULL, 0);
-#else
- int x, y;
- for(y = 0;y < screen->h;y++)
- for(x = 0;x < screen->w;x++)
- setpix(screen,(float)x,(float)y,((x%255)<<16) + ((y%255)<<8) + (x+y)%255);
-#endif
-
- /* draw Touch History */
- for(i = eventWrite; i < eventWrite+EVENT_BUF_SIZE; ++i) {
- const SDL_Event *event = &events[i&(EVENT_BUF_SIZE-1)];
- float age = (float)(i - eventWrite) / EVENT_BUF_SIZE;
- float x, y;
- unsigned int c, col;
-
- if(event->type == SDL_FINGERMOTION ||
- event->type == SDL_FINGERDOWN ||
- event->type == SDL_FINGERUP) {
- x = event->tfinger.x;
- y = event->tfinger.y;
-
- /* draw the touch: */
- c = colors[event->tfinger.fingerId%7];
- col = ((unsigned int)(c*(.1+.85))) | (unsigned int)(0xFF*age)<<24;
-
- if(event->type == SDL_FINGERMOTION)
- drawCircle(screen,x*screen->w,y*screen->h,5,col);
- else if(event->type == SDL_FINGERDOWN)
- drawCircle(screen,x*screen->w,y*screen->h,-10,col);
- }
- }
-
- if(knob.p.x > 0)
- drawKnob(screen,knob);
-
- SDL_UpdateWindowSurface(window);
-}
-
-/* Returns a new SDL_Window if window is NULL or window if not. */
-SDL_Window* initWindow(SDL_Window *window, int width,int height)
-{
- if (!window) {
- window = SDL_CreateWindow("Gesture Test",
- SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
- width, height, SDL_WINDOW_RESIZABLE);
- }
- return window;
-}
-
-void loop()
-{
- SDL_Event event;
- SDL_RWops *stream;
-
- while(SDL_PollEvent(&event))
- {
- /* Record _all_ events */
- events[eventWrite & (EVENT_BUF_SIZE-1)] = event;
- eventWrite++;
-
- switch (event.type)
- {
- case SDL_QUIT:
- quitting = SDL_TRUE;
- break;
- case SDL_KEYDOWN:
- switch (event.key.keysym.sym)
- {
- case SDLK_i:
- {
- int i;
- for (i = 0; i < SDL_GetNumTouchDevices(); ++i) {
- SDL_TouchID id = SDL_GetTouchDevice(i);
- SDL_Log("Fingers Down on device %"SDL_PRIs64": %d", id, SDL_GetNumTouchFingers(id));
- }
- break;
- }
- case SDLK_SPACE:
- SDL_RecordGesture(-1);
- break;
- case SDLK_s:
- stream = SDL_RWFromFile("gestureSave", "w");
- SDL_Log("Wrote %i templates", SDL_SaveAllDollarTemplates(stream));
- SDL_RWclose(stream);
- break;
- case SDLK_l:
- stream = SDL_RWFromFile("gestureSave", "r");
- SDL_Log("Loaded: %i", SDL_LoadDollarTemplates(-1, stream));
- SDL_RWclose(stream);
- break;
- case SDLK_ESCAPE:
- quitting = SDL_TRUE;
- break;
- }
- break;
- case SDL_WINDOWEVENT:
- if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
- if (!(window = initWindow(window, event.window.data1, event.window.data2)) ||
- !(screen = SDL_GetWindowSurface(window)))
- {
- SDL_Quit();
- exit(1);
- }
- }
- break;
- case SDL_FINGERMOTION:
-#if VERBOSE
- SDL_Log("Finger: %"SDL_PRIs64",x: %f, y: %f",event.tfinger.fingerId,
- event.tfinger.x,event.tfinger.y);
-#endif
- break;
- case SDL_FINGERDOWN:
-#if VERBOSE
- SDL_Log("Finger: %"SDL_PRIs64" down - x: %f, y: %f",
- event.tfinger.fingerId,event.tfinger.x,event.tfinger.y);
-#endif
- break;
- case SDL_FINGERUP:
-#if VERBOSE
- SDL_Log("Finger: %"SDL_PRIs64" up - x: %f, y: %f",
- event.tfinger.fingerId,event.tfinger.x,event.tfinger.y);
-#endif
- break;
- case SDL_MULTIGESTURE:
-#if VERBOSE
- SDL_Log("Multi Gesture: x = %f, y = %f, dAng = %f, dR = %f",
- event.mgesture.x,
- event.mgesture.y,
- event.mgesture.dTheta,
- event.mgesture.dDist);
- SDL_Log("MG: numDownTouch = %i",event.mgesture.numFingers);
-#endif
- knob.p.x = event.mgesture.x;
- knob.p.y = event.mgesture.y;
- knob.ang += event.mgesture.dTheta;
- knob.r += event.mgesture.dDist;
- break;
- case SDL_DOLLARGESTURE:
- SDL_Log("Gesture %"SDL_PRIs64" performed, error: %f",
- event.dgesture.gestureId,
- event.dgesture.error);
- break;
- case SDL_DOLLARRECORD:
- SDL_Log("Recorded gesture: %"SDL_PRIs64"",event.dgesture.gestureId);
- break;
- }
- }
- DrawScreen(screen, window);
-
-#ifdef __EMSCRIPTEN__
- if (quitting) {
- emscripten_cancel_main_loop();
- }
-#endif
-}
-
-int main(int argc, char* argv[])
-{
- window = NULL;
- screen = NULL;
- quitting = SDL_FALSE;
-
- /* Enable standard application logging */
- SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
-
- /* gesture variables */
- knob.r = .1f;
- knob.ang = 0;
-
- if (SDL_Init(SDL_INIT_VIDEO) < 0 ) return 1;
-
- if (!(window = initWindow(window, WIDTH, HEIGHT)) ||
- !(screen = SDL_GetWindowSurface(window)))
- {
- SDL_Quit();
- return 1;
- }
-
-#ifdef __EMSCRIPTEN__
- emscripten_set_main_loop(loop, 0, 1);
-#else
- while(!quitting) {
- loop();
- }
-#endif
-
- SDL_Quit();
- return 0;
-}
-