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fix zoom: long click = in, double click = out

This commit is contained in:
Kilian Neuner 2011-08-03 19:02:05 +02:00
parent c856eb4f99
commit e34df30333
1 changed files with 34 additions and 15 deletions
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35
firmware/loadable/mandelbrot.c
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@ -36,7 +36,8 @@ void ram(void) {
struct mb {
long rmin, rmax, imin, imax;
bool dirty, dup, ddown, dleft, dright;
bool dirty, dup, ddown, dleft, dright, clickmark;
int count, limitZIn, limitZOut;
} mandel;
void mandelInit() {
@ -48,12 +49,16 @@ void mandelInit() {
mandel.rmax = fixpt(1);
mandel.imin = fixpt(-2);
mandel.imax = fixpt(2);
mandel.count = 0;
mandel.limitZIn = 40;
mandel.limitZOut = 30;
mandel.dirty = true;
mandel.dup = false;
mandel.ddown = false;
mandel.dleft = false;
mandel.dright = false;
mandel.clickmark = false;
}
void mandelMove() {
@ -81,19 +86,33 @@ void mandelMove() {
mandel.rmax -= rs;
mandel.rmin -= rs;
mandel.dup = true;
} else if (key == (BTN_ENTER + BTN_UP)) {
mandel.imin = mandel.imin + (mandel.imax-mandel.imin)/10;
mandel.imax = mandel.imax - (mandel.imax-mandel.imin)/10;
mandel.rmin = mandel.rmin +(mandel.rmax-mandel.rmin)/10;
mandel.rmax = mandel.rmax -(mandel.rmax-mandel.rmin)/10;
mandel.dirty = true;
} else if (key == (BTN_ENTER + BTN_DOWN)) {
} else if (key == BTN_ENTER) {
if (mandel.count < mandel.limitZIn) {
mandel.count = mandel.count + 1;
}
} else if (key == BTN_NONE) {
if(mandel.count > 0 ) {
mandel.count = mandel.count - 1;
mandel.clickmark = true;
}
if (mandel.count == 0 ) {
mandel.clickmark = false;
}
}
if (mandel.count > mandel.limitZOut && mandel.clickmark && key == BTN_ENTER) {
mandel.imin = mandel.imin - (mandel.imax-mandel.imin)/10;
mandel.imax = mandel.imax + (mandel.imax-mandel.imin)/10;
mandel.rmin = mandel.rmin -(mandel.rmax-mandel.rmin)/10;
mandel.rmax = mandel.rmax +(mandel.rmax-mandel.rmin)/10;
mandel.dirty = true;
}
if (mandel.count == mandel.limitZIn && key == BTN_ENTER) {
mandel.imin = mandel.imin + (mandel.imax-mandel.imin)/10;
mandel.imax = mandel.imax - (mandel.imax-mandel.imin)/10;
mandel.rmin = mandel.rmin +(mandel.rmax-mandel.rmin)/10;
mandel.rmax = mandel.rmax -(mandel.rmax-mandel.rmin)/10;
mandel.dirty = true;
}
}
void mandelPixel(int x, int y) {