void CameraEngine::applyCameraSetting(int mode, int value) {
switch (value) {
case SETTING_DEFAULT: break;
case SETTING_AUTO: setCameraSettingAuto(mode,true); break;
case SETTING_MIN: setCameraSetting(mode,getMinCameraSetting(mode)); break;
case SETTING_MAX: setCameraSetting(mode,getMaxCameraSetting(mode)); break;
default: {
int max = getMaxCameraSetting(mode);
int min = getMinCameraSetting(mode);
if (value<min) value = min;
else if (value>max) value = max;
setCameraSetting(mode,value);
}
}
}
void CameraEngine::drawGUI(SDL_Surface *display) {
if(!settingsDialog) return;
unsigned char* disp = (unsigned char*)(display->pixels);
int settingValue = getCameraSetting(currentCameraSetting);
int maxValue = getMaxCameraSetting(currentCameraSetting);
int minValue = getMinCameraSetting(currentCameraSetting);
int valueRange = maxValue - minValue;
const char *settingText = NULL;
switch (currentCameraSetting) {
case BRIGHTNESS: settingText = "Brightness"; break;
case GAIN: settingText = "Gain"; break;
case SHUTTER: settingText = "Shutter"; break;
case EXPOSURE: settingText = "Exposure"; break;
case SHARPNESS: settingText = "Sharpness"; break;
case FOCUS: settingText = "Focus"; break;
case GAMMA: settingText = "Gamma"; break;
}
int x_offset=width/2-128;
int y_offset=height-100;
char displayText[256];
sprintf(displayText,"%s %d",settingText,settingValue);
FontTool::drawText(x_offset+128-(FontTool::getTextWidth(displayText)/2),y_offset-FontTool::getFontHeight(),displayText,display);
// draw the border
for (int i=x_offset;i<(x_offset+256);i++) {
int pixel=(width*y_offset+i)*3+1;
disp[pixel]=255;
pixel=(width*(y_offset+25)+i)*3+1;
disp[pixel]=255;
}
for (int i=y_offset;i<(y_offset+25);i++) {
int pixel=(width*i+x_offset)*3+1;
disp[pixel]=255;
pixel=(width*i+x_offset+256)*3+1;
disp[pixel]=255;
}
// draw the bar
int xpos = (int)(254*(((float)settingValue-(float)minValue)/(float)valueRange));
for (int i=x_offset+2;i<=(x_offset+xpos);i++) {
for (int j=y_offset+2;j<=(y_offset+23);j++) {
int pixel=(width*j+i)*3+1;
disp[pixel]=255;
}
}
}
void CameraEngine::control(int key) {
if(!settingsDialog) return;
int value,min,max,step = 0;
switch(key) {
case SDLK_LEFT:
value = getCameraSetting(currentCameraSetting);
min = getMinCameraSetting(currentCameraSetting);
max = getMaxCameraSetting(currentCameraSetting);
step = getCameraSettingStep(currentCameraSetting);
if (step==1) step = (int)((float)max/256.0f);
if (step<1) step=1;
value -= step;
if (value<min) value=min;
setCameraSetting(currentCameraSetting,value);
break;
case SDLK_RIGHT:
value = getCameraSetting(currentCameraSetting);
min = getMinCameraSetting(currentCameraSetting);
max = getMaxCameraSetting(currentCameraSetting);
step = getCameraSettingStep(currentCameraSetting);
if (step==1) step = (int)((float)max/256.0f);
if (step<1) step=1;
value += step;
if (value>max) value=max;
setCameraSetting(currentCameraSetting,value);
break;
case SDLK_UP:
currentCameraSetting--;
if(currentCameraSetting<0) currentCameraSetting=GAMMA;
break;
case SDLK_DOWN:
currentCameraSetting++;
if(currentCameraSetting>GAMMA) currentCameraSetting=0;
break;
}
}
void CameraEngine::updateSettings() {
int brightness = getCameraSetting(BRIGHTNESS);
if (brightness==getMinCameraSetting(BRIGHTNESS)) config.brightness=SETTING_MIN;
if (brightness==getMaxCameraSetting(BRIGHTNESS)) config.brightness=SETTING_MAX;
if (brightness==getDefaultCameraSetting(BRIGHTNESS)) config.brightness=SETTING_DEFAULT;
//printf("brightness %d\n",brightness);
int contrast = getCameraSetting(CONTRAST);
if (contrast==getMinCameraSetting(CONTRAST)) config.contrast=SETTING_MIN;
if (contrast==getMaxCameraSetting(CONTRAST)) config.contrast=SETTING_MAX;
if (contrast==getDefaultCameraSetting(CONTRAST)) config.contrast=SETTING_DEFAULT;
//printf("contrast %d\n",contrast);
int gain = getCameraSetting(GAIN);
if (gain==getMinCameraSetting(GAIN)) config.gain=SETTING_MIN;
if (gain==getMaxCameraSetting(GAIN)) config.gain=SETTING_MAX;
if (gain==getDefaultCameraSetting(GAIN)) config.gain=SETTING_DEFAULT;
//printf("gain %d\n",gain);
int exposure = getCameraSetting(EXPOSURE);
if (exposure==getMinCameraSetting(EXPOSURE)) config.exposure=SETTING_MIN;
if (exposure==getMaxCameraSetting(EXPOSURE)) config.exposure=SETTING_MAX;
if (getCameraSettingAuto(EXPOSURE)==true) config.exposure=SETTING_AUTO;
if (exposure==getDefaultCameraSetting(EXPOSURE)) config.exposure=SETTING_DEFAULT;
//printf("exposure %d\n",exposure);
int sharpness = getCameraSetting(SHARPNESS);
if (sharpness==getMinCameraSetting(SHARPNESS)) config.sharpness=SETTING_MIN;
if (sharpness==getMaxCameraSetting(SHARPNESS)) config.sharpness=SETTING_MAX;
if (sharpness==getDefaultCameraSetting(SHARPNESS)) config.sharpness=SETTING_DEFAULT;
//printf("sharpness %d\n",sharpness);
int focus = getCameraSetting(FOCUS);
if (focus==getMinCameraSetting(FOCUS)) config.focus=SETTING_MIN;
if (focus==getMaxCameraSetting(FOCUS)) config.focus=SETTING_MAX;
if (focus==getDefaultCameraSetting(FOCUS)) config.focus=SETTING_DEFAULT;
//printf("focus %d\n",focus);
int gamma = getCameraSetting(GAMMA);
if (gamma==getMinCameraSetting(GAMMA)) config.gamma=SETTING_MIN;
if (gamma==getMaxCameraSetting(GAMMA)) config.gamma=SETTING_MAX;
if (gamma==getDefaultCameraSetting(GAMMA)) config.gamma=SETTING_DEFAULT;
if (getCameraSettingAuto(GAMMA)==true) config.gamma=SETTING_AUTO;
//printf("gamma %d\n",gamma);
}