// reshape the display after a shape change
void OpenGLDisplayDevice::reshape(void) {
xSize = 512;
ySize = 512;
xOrig = 0;
yOrig = 0;
switch (inStereo) {
case OPENGL_STEREO_SIDE:
case OPENGL_STEREO_CROSSED:
set_screen_pos(0.5f * (float)xSize / (float)ySize);
break;
case OPENGL_STEREO_ABOVEBELOW:
set_screen_pos(2.0f * (float)xSize / (float)ySize);
break;
case OPENGL_STEREO_STENCIL:
enable_stencil_stereo();
set_screen_pos((float)xSize / (float)ySize);
break;
default:
set_screen_pos((float)xSize / (float)ySize);
break;
}
}
// reshape the display after a shape change
void OpenGLDisplayDevice::reshape(void) {
// this code assumes that the xSize and ySize variables have
// been updated (magically) already by the time this gets called.
switch (inStereo) {
case OPENGL_STEREO_SIDE:
set_screen_pos(0.5f * (float)xSize / (float)ySize);
break;
case OPENGL_STEREO_ABOVEBELOW:
set_screen_pos(2.0f * (float)xSize / (float)ySize);
break;
case OPENGL_STEREO_STENCIL_CHECKERBOARD:
case OPENGL_STEREO_STENCIL_COLUMNS:
case OPENGL_STEREO_STENCIL_ROWS:
enable_stencil_stereo(inStereo);
set_screen_pos((float)xSize / (float)ySize);
break;
default:
set_screen_pos((float)xSize / (float)ySize);
break;
}
}
// reshape the display after a shape change
void FltkOpenGLDisplayDevice::reshape(void) {
xSize = window->w();
ySize = window->h();
xOrig = window->x();
yOrig = screenY - window->y() - ySize;
switch (inStereo) {
case OPENGL_STEREO_SIDE:
set_screen_pos(0.5f * (float)xSize / (float)ySize);
break;
case OPENGL_STEREO_ABOVEBELOW:
set_screen_pos(2.0f * (float)xSize / (float)ySize);
break;
case OPENGL_STEREO_STENCIL_CHECKERBOARD:
case OPENGL_STEREO_STENCIL_COLUMNS:
case OPENGL_STEREO_STENCIL_ROWS:
enable_stencil_stereo(inStereo);
set_screen_pos((float)xSize / (float)ySize);
break;
default:
set_screen_pos((float)xSize / (float)ySize);
break;
}
}
/*
* Function: handle_key_press(uint8_t scancode)
* Description: This function handles how to interpret characters pressed
* the keyboard
* inputs: keyboard scan code
* outputs: nothing
* effects: modifies the contents displayed on the screen
*/
void
handle_key_press(uint8_t scancode) {
// Handle unknown scancodes
if (scancode >= KEY_COUNT) {
return;
}
uint8_t key = scancode_map[key_mode][scancode];
// None character keys are handled in interrupt handler
if (key == NULL_KEY) {
return;
}
if (ctrl_state == PRESSED) {
switch(key) {
case 'l':
clear();
set_screen_pos(0,0);
break;
case 'c':
return;
break;
}
}
else if ((key_buffer_idx < KEY_BUFFER_SIZE) && (keyboard_enabled == 1)) {
append_to_key_buff(key);
putc(key);
}
}
void
DisplayDevice::do_resize_window (int w, int h)
{
xSize = w;
ySize = h;
set_screen_pos ((float) xSize / (float) ySize);
}
// reshape the display after a shape change
void OpenGLPbufferDisplayDevice::reshape(void) {
switch (inStereo) {
case OPENGL_STEREO_SIDE:
set_screen_pos(0.5f * (float)xSize / (float)ySize);
break;
case OPENGL_STEREO_ABOVEBELOW:
set_screen_pos(2.0f * (float)xSize / (float)ySize);
break;
case OPENGL_STEREO_STENCIL_CHECKERBOARD:
case OPENGL_STEREO_STENCIL_COLUMNS:
case OPENGL_STEREO_STENCIL_ROWS:
enable_stencil_stereo(inStereo);
set_screen_pos((float)xSize / (float)ySize);
break;
default:
set_screen_pos((float)xSize / (float)ySize);
break;
}
}
///////////////////////// constructor and destructor
DisplayDevice::DisplayDevice (const char *nm) : transMat(16) {
name = stringdup(nm); // save the string name of this display device
num_display_processes = 1; // set number of rendering processes etc
renderer_process = 1; // we're a rendering process until told otherwise
_needRedraw = 0; // Start life not needing to be redrawn.
backgroundmode = 0; // set default background mode to solid color
// set drawing characteristics default values
lineStyle = ::SOLIDLINE;
lineWidth = 1;
sphereRes = 3;
cylinderRes = 6;
sphereMode = ::SOLIDSPHERE;
// set scalar values
aaAvailable = cueingAvailable = TRUE;
aaPrevious = aaEnabled = cueingEnabled = cullingEnabled = FALSE;
xOrig = yOrig = xSize = ySize = 0;
screenX = screenY = 0;
// set viewing geometry ... looking from z-axis in negative direction,
// with 90-degree field of view and assuming the origin is in the
// center of the viewer's 'screen'
nearClip = 0.5f;
farClip = 10.0f;
eyePos[0] = eyePos[1] = 0.0f; eyePos[2] = 2.0f;
set_screen_pos(2.0f * eyePos[2], 0.0f, 4.0f/3.0f);
// set initial depth cueing parameters
// (defaults are compatible with old revs of VMD)
cueMode = CUE_EXP2;
cueDensity = 0.32f;
cueStart = 0.5f;
cueEnd = 10.0f;
// set initial shadow mode
shadowEnabled = 0;
// set initial ambient occlusion settings
aoEnabled = 0;
aoAmbient = 0.8f;
aoDirect = 0.3f;
// XXX stereo modes and rendering modes should be enumerated
// dynamically not hard-coded, to allow much greater flexibility
// Setup stereo options ... while there is no stereo mode by default,
// set up normal values for stereo data
inStereo = 0;
stereoSwap = 0;
stereoModes = 1;
stereoNames = stereoNameStr;
// Setup caching mode options
cacheMode = 0;
cacheModes = 1;
cacheNames = cacheNameStr;
// Setup rendering mode options
renderMode = 0;
renderModes = 1;
renderNames = renderNameStr;
// default view/projection settings
eyeSep = 0.065f; // default eye seperation
eyeDist = eyePos[2]; // assumes viewer on pos z-axis
float lookatorigin[3];
vec_scale(&lookatorigin[0], -1, &eyePos[0]); // calc dir to origin
set_eye_dir(&lookatorigin[0]); // point camera at origin
upDir[0] = upDir[2] = 0.0; upDir[1] = 1.0;
calc_eyedir(); // determines eye separation direction
my_projection = PERSPECTIVE;
// load identity matrix onto top of transformation matrix stack
Matrix4 temp_ident;
transMat.push(temp_ident);
mouseX = mouseY = 0;
}
