Reformat SDL_gesture.c (part 2, space after keywords)
This commit is contained in:
parent
428e61a43e
commit
3c27fa1eff
1 changed files with 71 additions and 72 deletions
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@ -84,7 +84,7 @@ static void PrintPath(SDL_FloatPoint *path)
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{
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int i;
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printf("Path:");
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for(i=0;i<DOLLARNPOINTS;i++) {
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for (i=0; i<DOLLARNPOINTS; i++) {
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printf(" (%f,%f)",path[i].x,path[i].y);
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}
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printf("\n");
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@ -94,11 +94,11 @@ static void PrintPath(SDL_FloatPoint *path)
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int SDL_RecordGesture(SDL_TouchID touchId)
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{
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int i;
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if(touchId < 0) recordAll = SDL_TRUE;
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for(i = 0;i < SDL_numGestureTouches; i++) {
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if((touchId < 0) || (SDL_gestureTouch[i].id == touchId)) {
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if (touchId < 0) recordAll = SDL_TRUE;
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for (i = 0; i < SDL_numGestureTouches; i++) {
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if ((touchId < 0) || (SDL_gestureTouch[i].id == touchId)) {
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SDL_gestureTouch[i].recording = SDL_TRUE;
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if(touchId >= 0)
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if (touchId >= 0)
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return 1;
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}
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}
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@ -109,7 +109,7 @@ unsigned long SDL_HashDollar(SDL_FloatPoint* points)
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{
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unsigned long hash = 5381;
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int i;
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for(i = 0;i < DOLLARNPOINTS; i++) {
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for (i = 0; i < DOLLARNPOINTS; i++) {
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hash = ((hash<<5) + hash) + (unsigned long)points[i].x;
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hash = ((hash<<5) + hash) + (unsigned long)points[i].y;
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}
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@ -119,14 +119,14 @@ unsigned long SDL_HashDollar(SDL_FloatPoint* points)
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static int SaveTemplate(SDL_DollarTemplate *templ, SDL_RWops * src)
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{
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if(src == NULL) return 0;
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if (src == NULL) return 0;
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//No Longer storing the Hash, rehash on load
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//if(SDL_RWops.write(src,&(templ->hash),sizeof(templ->hash),1) != 1) return 0;
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if(SDL_RWwrite(src,templ->path,
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sizeof(templ->path[0]),DOLLARNPOINTS) != DOLLARNPOINTS)
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if (SDL_RWwrite(src,templ->path,
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sizeof(templ->path[0]),DOLLARNPOINTS) != DOLLARNPOINTS)
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return 0;
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return 1;
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@ -136,9 +136,9 @@ static int SaveTemplate(SDL_DollarTemplate *templ, SDL_RWops * src)
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int SDL_SaveAllDollarTemplates(SDL_RWops *src)
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{
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int i,j,rtrn = 0;
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for(i = 0; i < SDL_numGestureTouches; i++) {
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for (i = 0; i < SDL_numGestureTouches; i++) {
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SDL_GestureTouch* touch = &SDL_gestureTouch[i];
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for(j = 0;j < touch->numDollarTemplates; j++) {
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for (j = 0; j < touch->numDollarTemplates; j++) {
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rtrn += SaveTemplate(&touch->dollarTemplate[i],src);
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}
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}
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@ -148,10 +148,10 @@ int SDL_SaveAllDollarTemplates(SDL_RWops *src)
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int SDL_SaveDollarTemplate(SDL_GestureID gestureId, SDL_RWops *src)
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{
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int i,j;
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for(i = 0; i < SDL_numGestureTouches; i++) {
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for (i = 0; i < SDL_numGestureTouches; i++) {
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SDL_GestureTouch* touch = &SDL_gestureTouch[i];
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for(j = 0;j < touch->numDollarTemplates; j++) {
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if(touch->dollarTemplate[i].hash == gestureId) {
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for (j = 0; j < touch->numDollarTemplates; j++) {
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if (touch->dollarTemplate[i].hash == gestureId) {
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return SaveTemplate(&touch->dollarTemplate[i],src);
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}
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}
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@ -167,16 +167,16 @@ static int SDL_AddDollarGesture(SDL_GestureTouch* inTouch,SDL_FloatPoint* path)
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SDL_DollarTemplate* dollarTemplate;
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SDL_DollarTemplate *templ;
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int i = 0;
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if(inTouch == NULL) {
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if(SDL_numGestureTouches == 0) return -1;
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for(i = 0;i < SDL_numGestureTouches; i++) {
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if (inTouch == NULL) {
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if (SDL_numGestureTouches == 0) return -1;
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for (i = 0; i < SDL_numGestureTouches; i++) {
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inTouch = &SDL_gestureTouch[i];
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dollarTemplate =
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(SDL_DollarTemplate *)SDL_realloc(inTouch->dollarTemplate,
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(inTouch->numDollarTemplates + 1) *
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sizeof(SDL_DollarTemplate));
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if(!dollarTemplate) {
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if (!dollarTemplate) {
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SDL_OutOfMemory();
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return -1;
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}
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@ -195,7 +195,7 @@ static int SDL_AddDollarGesture(SDL_GestureTouch* inTouch,SDL_FloatPoint* path)
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( SDL_DollarTemplate *)SDL_realloc(inTouch->dollarTemplate,
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(inTouch->numDollarTemplates + 1) *
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sizeof(SDL_DollarTemplate));
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if(!dollarTemplate) {
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if (!dollarTemplate) {
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SDL_OutOfMemory();
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return -1;
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}
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@ -216,27 +216,27 @@ int SDL_LoadDollarTemplates(SDL_TouchID touchId, SDL_RWops *src)
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{
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int i,loaded = 0;
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SDL_GestureTouch *touch = NULL;
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if(src == NULL) return 0;
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if(touchId >= 0) {
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for(i = 0;i < SDL_numGestureTouches; i++)
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if(SDL_gestureTouch[i].id == touchId)
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if (src == NULL) return 0;
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if (touchId >= 0) {
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for (i = 0; i < SDL_numGestureTouches; i++)
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if (SDL_gestureTouch[i].id == touchId)
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touch = &SDL_gestureTouch[i];
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if(touch == NULL) return -1;
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if (touch == NULL) return -1;
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}
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while(1) {
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while (1) {
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SDL_DollarTemplate templ;
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if(SDL_RWread(src,templ.path,sizeof(templ.path[0]),DOLLARNPOINTS) <
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if (SDL_RWread(src,templ.path,sizeof(templ.path[0]),DOLLARNPOINTS) <
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DOLLARNPOINTS) break;
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if(touchId >= 0) {
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if (touchId >= 0) {
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//printf("Adding loaded gesture to 1 touch\n");
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if(SDL_AddDollarGesture(touch,templ.path)) loaded++;
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if (SDL_AddDollarGesture(touch,templ.path)) loaded++;
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}
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else {
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//printf("Adding to: %i touches\n",SDL_numGestureTouches);
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for(i = 0;i < SDL_numGestureTouches; i++) {
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for (i = 0; i < SDL_numGestureTouches; i++) {
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touch = &SDL_gestureTouch[i];
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//printf("Adding loaded gesture to + touches\n");
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//TODO: What if this fails?
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@ -256,7 +256,7 @@ float dollarDifference(SDL_FloatPoint* points,SDL_FloatPoint* templ,float ang)
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float dist = 0;
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SDL_FloatPoint p;
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int i;
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for(i = 0; i < DOLLARNPOINTS; i++) {
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for (i = 0; i < DOLLARNPOINTS; i++) {
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p.x = (float)(points[i].x * SDL_cos(ang) - points[i].y * SDL_sin(ang));
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p.y = (float)(points[i].x * SDL_sin(ang) + points[i].y * SDL_cos(ang));
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dist += (float)(SDL_sqrt((p.x-templ[i].x)*(p.x-templ[i].x)+
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@ -278,8 +278,8 @@ float bestDollarDifference(SDL_FloatPoint* points,SDL_FloatPoint* templ)
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float f1 = dollarDifference(points,templ,x1);
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float x2 = (float)((1-PHI)*ta + PHI*tb);
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float f2 = dollarDifference(points,templ,x2);
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while(SDL_fabs(ta-tb) > dt) {
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if(f1 < f2) {
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while (SDL_fabs(ta-tb) > dt) {
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if (f1 < f2) {
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tb = x2;
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x2 = x1;
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f2 = f1;
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@ -295,10 +295,10 @@ float bestDollarDifference(SDL_FloatPoint* points,SDL_FloatPoint* templ)
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}
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}
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/*
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if(f1 <= f2)
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printf("Min angle (x1): %f\n",x1);
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else if(f1 > f2)
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printf("Min angle (x2): %f\n",x2);
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if (f1 <= f2)
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printf("Min angle (x1): %f\n",x1);
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else if (f1 > f2)
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printf("Min angle (x2): %f\n",x2);
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*/
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return SDL_min(f1,f2);
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}
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@ -317,12 +317,10 @@ int dollarNormalize(const SDL_DollarPath *path,SDL_FloatPoint *points)
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float length = path->length;
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//Calculate length if it hasn't already been done
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if(length <= 0) {
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for(i=1;i<path->numPoints;i++) {
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float dx = path->p[i ].x -
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path->p[i-1].x;
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float dy = path->p[i ].y -
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path->p[i-1].y;
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if (length <= 0) {
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for (i=1;i < path->numPoints; i++) {
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float dx = path->p[i ].x - path->p[i-1].x;
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float dy = path->p[i ].y - path->p[i-1].y;
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length += (float)(SDL_sqrt(dx*dx+dy*dy));
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}
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}
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@ -334,11 +332,11 @@ int dollarNormalize(const SDL_DollarPath *path,SDL_FloatPoint *points)
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centroid.x = 0;centroid.y = 0;
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//printf("(%f,%f)\n",path->p[path->numPoints-1].x,path->p[path->numPoints-1].y);
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for(i = 1;i < path->numPoints;i++) {
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for (i = 1; i < path->numPoints; i++) {
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float d = (float)(SDL_sqrt((path->p[i-1].x-path->p[i].x)*(path->p[i-1].x-path->p[i].x)+
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(path->p[i-1].y-path->p[i].y)*(path->p[i-1].y-path->p[i].y)));
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//printf("d = %f dist = %f/%f\n",d,dist,interval);
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while(dist + d > interval) {
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while (dist + d > interval) {
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points[numPoints].x = path->p[i-1].x +
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((interval-dist)/d)*(path->p[i].x-path->p[i-1].x);
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points[numPoints].y = path->p[i-1].y +
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@ -351,7 +349,7 @@ int dollarNormalize(const SDL_DollarPath *path,SDL_FloatPoint *points)
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}
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dist += d;
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}
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if(numPoints < DOLLARNPOINTS-1) {
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if (numPoints < DOLLARNPOINTS-1) {
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SDL_SetError("ERROR: NumPoints = %i\n",numPoints);
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return 0;
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}
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@ -372,7 +370,7 @@ int dollarNormalize(const SDL_DollarPath *path,SDL_FloatPoint *points)
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ang = (float)(SDL_atan2(centroid.y - points[0].y,
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centroid.x - points[0].x));
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for(i = 0;i<numPoints;i++) {
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for (i = 0; i<numPoints; i++) {
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float px = points[i].x;
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float py = points[i].y;
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points[i].x = (float)((px - centroid.x)*SDL_cos(ang) -
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@ -381,17 +379,17 @@ int dollarNormalize(const SDL_DollarPath *path,SDL_FloatPoint *points)
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(py - centroid.y)*SDL_cos(ang) + centroid.y);
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if(points[i].x < xmin) xmin = points[i].x;
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if(points[i].x > xmax) xmax = points[i].x;
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if(points[i].y < ymin) ymin = points[i].y;
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if(points[i].y > ymax) ymax = points[i].y;
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if (points[i].x < xmin) xmin = points[i].x;
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if (points[i].x > xmax) xmax = points[i].x;
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if (points[i].y < ymin) ymin = points[i].y;
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if (points[i].y > ymax) ymax = points[i].y;
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}
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//Scale points to DOLLARSIZE, and translate to the origin
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w = xmax-xmin;
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h = ymax-ymin;
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for(i=0;i<numPoints;i++) {
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for (i=0; i<numPoints; i++) {
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points[i].x = (points[i].x - centroid.x)*DOLLARSIZE/w;
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points[i].y = (points[i].y - centroid.y)*DOLLARSIZE/h;
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}
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@ -409,9 +407,9 @@ float dollarRecognize(const SDL_DollarPath *path,int *bestTempl,SDL_GestureTouch
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//PrintPath(points);
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*bestTempl = -1;
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for(i = 0;i < touch->numDollarTemplates;i++) {
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for (i = 0; i < touch->numDollarTemplates; i++) {
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float diff = bestDollarDifference(points,touch->dollarTemplate[i].path);
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if(diff < bestDiff) {bestDiff = diff; *bestTempl = i;}
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if (diff < bestDiff) {bestDiff = diff; *bestTempl = i;}
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}
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return bestDiff;
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}
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@ -422,7 +420,7 @@ int SDL_GestureAddTouch(SDL_Touch* touch)
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(SDL_numGestureTouches + 1) *
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sizeof(SDL_GestureTouch));
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if(!gestureTouch) {
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if (!gestureTouch) {
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SDL_OutOfMemory();
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return -1;
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}
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@ -461,9 +459,10 @@ int SDL_GestureRemoveTouch(SDL_TouchID id)
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SDL_GestureTouch * SDL_GetGestureTouch(SDL_TouchID id)
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{
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int i;
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for(i = 0;i < SDL_numGestureTouches; i++) {
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for (i = 0; i < SDL_numGestureTouches; i++) {
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//printf("%i ?= %i\n",SDL_gestureTouch[i].id,id);
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if(SDL_gestureTouch[i].id == id) return &SDL_gestureTouch[i];
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if (SDL_gestureTouch[i].id == id)
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return &SDL_gestureTouch[i];
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}
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return NULL;
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}
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@ -524,13 +523,13 @@ void SDL_GestureProcessEvent(SDL_Event* event)
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float dtheta;
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float dDist;
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if(event->type == SDL_FINGERMOTION ||
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event->type == SDL_FINGERDOWN ||
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event->type == SDL_FINGERUP) {
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if (event->type == SDL_FINGERMOTION ||
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event->type == SDL_FINGERDOWN ||
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event->type == SDL_FINGERUP) {
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SDL_GestureTouch* inTouch = SDL_GetGestureTouch(event->tfinger.touchId);
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//Shouldn't be possible
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if(inTouch == NULL) return;
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if (inTouch == NULL) return;
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//printf("@ (%i,%i) with res: (%i,%i)\n",(int)event->tfinger.x,
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// (int)event->tfinger.y,
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@ -542,24 +541,24 @@ void SDL_GestureProcessEvent(SDL_Event* event)
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//Finger Up
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if(event->type == SDL_FINGERUP) {
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if (event->type == SDL_FINGERUP) {
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inTouch->numDownFingers--;
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#ifdef ENABLE_DOLLAR
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if(inTouch->recording) {
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if (inTouch->recording) {
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inTouch->recording = SDL_FALSE;
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dollarNormalize(&inTouch->dollarPath,path);
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//PrintPath(path);
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if(recordAll) {
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if (recordAll) {
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index = SDL_AddDollarGesture(NULL,path);
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for(i = 0;i < SDL_numGestureTouches; i++)
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for (i = 0; i < SDL_numGestureTouches; i++)
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SDL_gestureTouch[i].recording = SDL_FALSE;
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}
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else {
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index = SDL_AddDollarGesture(inTouch,path);
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}
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if(index >= 0) {
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if (index >= 0) {
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SDL_SendDollarRecord(inTouch,inTouch->dollarTemplate[index].hash);
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}
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else {
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@ -571,7 +570,7 @@ void SDL_GestureProcessEvent(SDL_Event* event)
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float error;
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error = dollarRecognize(&inTouch->dollarPath,
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&bestTempl,inTouch);
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if(bestTempl >= 0){
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if (bestTempl >= 0){
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//Send Event
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unsigned long gestureId = inTouch->dollarTemplate[bestTempl].hash;
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SDL_SendGestureDollar(inTouch,gestureId,error);
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@ -580,20 +579,20 @@ void SDL_GestureProcessEvent(SDL_Event* event)
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}
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#endif
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//inTouch->gestureLast[j] = inTouch->gestureLast[inTouch->numDownFingers];
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if(inTouch->numDownFingers > 0) {
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if (inTouch->numDownFingers > 0) {
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inTouch->centroid.x = (inTouch->centroid.x*(inTouch->numDownFingers+1)-
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x)/inTouch->numDownFingers;
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inTouch->centroid.y = (inTouch->centroid.y*(inTouch->numDownFingers+1)-
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y)/inTouch->numDownFingers;
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}
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}
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else if(event->type == SDL_FINGERMOTION) {
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else if (event->type == SDL_FINGERMOTION) {
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float dx = ((float)event->tfinger.dx)/(float)inTouch->res.x;
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float dy = ((float)event->tfinger.dy)/(float)inTouch->res.y;
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//printf("dx,dy: (%f,%f)\n",dx,dy);
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#ifdef ENABLE_DOLLAR
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SDL_DollarPath* path = &inTouch->dollarPath;
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if(path->numPoints < MAXPATHSIZE) {
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if (path->numPoints < MAXPATHSIZE) {
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path->p[path->numPoints].x = inTouch->centroid.x;
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path->p[path->numPoints].y = inTouch->centroid.y;
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pathDx =
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@ -611,7 +610,7 @@ void SDL_GestureProcessEvent(SDL_Event* event)
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inTouch->centroid.x += dx/inTouch->numDownFingers;
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inTouch->centroid.y += dy/inTouch->numDownFingers;
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//printf("Centrid : (%f,%f)\n",inTouch->centroid.x,inTouch->centroid.y);
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if(inTouch->numDownFingers > 1) {
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if (inTouch->numDownFingers > 1) {
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SDL_FloatPoint lv; //Vector from centroid to last x,y position
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SDL_FloatPoint v; //Vector from centroid to current x,y position
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//lv = inTouch->gestureLast[j].cv;
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@ -633,7 +632,7 @@ void SDL_GestureProcessEvent(SDL_Event* event)
|
|||
dtheta = (float)SDL_atan2(lv.x*v.y - lv.y*v.x,lv.x*v.x + lv.y*v.y);
|
||||
|
||||
dDist = (Dist - lDist);
|
||||
if(lDist == 0) {dDist = 0;dtheta = 0;} //To avoid impossible values
|
||||
if (lDist == 0) {dDist = 0;dtheta = 0;} //To avoid impossible values
|
||||
|
||||
//inTouch->gestureLast[j].dDist = dDist;
|
||||
//inTouch->gestureLast[j].dtheta = dtheta;
|
||||
|
@ -659,7 +658,7 @@ void SDL_GestureProcessEvent(SDL_Event* event)
|
|||
//pressure?
|
||||
}
|
||||
|
||||
if(event->type == SDL_FINGERDOWN) {
|
||||
if (event->type == SDL_FINGERDOWN) {
|
||||
|
||||
inTouch->numDownFingers++;
|
||||
inTouch->centroid.x = (inTouch->centroid.x*(inTouch->numDownFingers - 1)+
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue