void Gobby::HueButton::on_clicked()
{
if(!m_dialog.get())
{
m_dialog.reset(new Gtk::Dialog(m_title, m_parent));
m_hue_chooser =
inf_text_gtk_hue_chooser_new_with_hue(get_hue());
gtk_box_pack_start(GTK_BOX(m_dialog->get_vbox()->gobj()),
m_hue_chooser, FALSE, FALSE, 0);
gtk_widget_show(m_hue_chooser);
m_dialog->add_button(Gtk::Stock::CANCEL,
Gtk::RESPONSE_CANCEL);
m_dialog->add_button(Gtk::Stock::OK,
Gtk::RESPONSE_OK);
m_dialog->set_default_response(Gtk::RESPONSE_OK);
m_dialog->set_resizable(false);
m_dialog->signal_response().connect(
sigc::mem_fun(*this,
&HueButton::on_dialog_response));
}
else
{
inf_text_gtk_hue_chooser_set_hue(
INF_TEXT_GTK_HUE_CHOOSER(m_hue_chooser), get_hue());
}
m_dialog->present();
}
void
kbd_hit(char key) {
set_active();
switch (key) {
case 'd':
dump_screen(0);
break;
case 'w':
case 'W':
save_image();
break;
case 'q':
case 'Q':
case 'x':
case 'X': /* exit the program */
end_display();
exit(0);
case 'v':
show_video_settings = !show_video_settings;
refresh_screen = 1;
break;
case 'h':
set_hue(get_hue() - 1);
refresh_screen = 1;
break;
case 'H':
set_hue(get_hue() + 1);
refresh_screen = 1;
break;
case 's':
set_saturation(get_saturation() - 1);
refresh_screen = 1;
break;
case 'S':
set_saturation(get_saturation() + 1);
refresh_screen = 1;
break;
case 'b':
set_brightness(get_brightness() - 1);
refresh_screen = 1;
break;
case 'B':
set_brightness(get_brightness() + 1);
refresh_screen = 1;
break;
case 'c':
set_contrast(get_contrast() - 1);
refresh_screen = 1;
break;
case 'C':
set_contrast(get_contrast() + 1);
refresh_screen = 1;
break;
}
}
void hsv_colorize_node_t::do_process( const image::const_image_view_t& src, const image::image_view_t& dst, const render::context_t& context)
{
image::convert_rgb_to_hsv( src, dst);
boost::gil::tbb_transform_pixels( dst, dst, hsv_colorize_fun( get_hue( get_value<Imath::Color4f>( param( "color"))),
get_value<float>( param( "sat")),
get_value<float>( param( "value"))));
image::convert_hsv_to_rgb( dst, dst);
image::lerp_images( dst, src, get_value<float>( param( "strength")), dst);
boost::gil::tbb_transform_pixels( dst, dst, clamp_blacks_fun());
}
//these color functions need to be tested!
color RGB2HSV(color rgb) {
long saturation;
long value;
//foldl?
long rgb_max = std::max(std::max(rgb[0], rgb[1]), rgb[2]);
long rgb_min = std::min(std::min(rgb[0], rgb[1]), rgb[2]);
value = rgb_max;
long chroma = rgb_max - rgb_min;
if (!value || !chroma) {
return make_color(0, 0, (guint8)value);
}
saturation = (255 * chroma) / value;
return make_color(get_hue(rgb), (guint8)saturation, (guint8)value);
}
int main() {
//int r = 145, g = 200, b = 47;
//int r = 255, g = 255, b = 255;
float h = 82, s = 62, l = 48;
float rgb[3];
printf("The RGB values are %d, %d, and %d\n", r, g, b);
printf("The HSV values are %g, %g, and %g\n", h, s, l);
printf("The values we got are %g, %g, and %g\n",
get_hue(r, g, b),
get_saturation(r, g, b),
get_lightness(r, g, b));
HSL_to_rgb(
get_hue(r, g, b),
get_saturation(r, g, b),
get_lightness(r, g, b),
rgb
);
return 0;
}
color RGB2HSI(color rgb) {
long saturation;
long intensity;
//foldl?
long rgb_max = std::max(std::max(rgb[0], rgb[1]), rgb[2]);
long rgb_min = std::min(std::min(rgb[0], rgb[1]), rgb[2]);
intensity = rgb[0] + rgb[1] + rgb[2];
intensity /= 3;
long chroma = rgb_max - rgb_min;
if (!chroma) {
return make_color(0, 0, (guint8)intensity);
}
saturation = 255 - ((255 * rgb_min)/intensity);
return make_color(get_hue(rgb), (guint8)saturation, (guint8)intensity);
}
color RGB2HSL(color rgb) {
long saturation;
long lightness;
//foldl?
long rgb_max = std::max(std::max(rgb[0], rgb[1]), rgb[2]);
long rgb_min = std::min(std::min(rgb[0], rgb[1]), rgb[2]);
lightness = (rgb_min + rgb_max) / 2;
long chroma = rgb_max - rgb_min;
if (!chroma) {
return make_color(0, 0, (guint8)lightness);
}
long div = 2 * lightness;
div -= 255;
if (div > 0) {
div = -div;
}
saturation = chroma / (255 - div);
return make_color(get_hue(rgb), (guint8)saturation, (guint8)lightness);
}
/*******************************************************************************************
Video capture routines
- set input
- setup_pixelformat
- set_geometry
- set_brightness
- set_chroma
- set_contrast
- set_channelset
- set_channel
- set_capture_mode
*/
static unsigned char *v4l_start(struct video_dev *viddev, int width, int height,
unsigned short input, unsigned short norm, unsigned long freq)
{
int dev_bktr = viddev->fd_bktr;
struct sigaction act, old;
//int dev_tunner = viddev->fd_tuner;
/* to ensure that all device will be support the capture mode
_TODO_ : Autodected the best capture mode .
*/
int dummy = 1;
// int pixelformat = BSD_VIDFMT_I420;
void *map;
/* if we have choose the tuner is needed to setup the frequency */
if ((viddev->tuner_device != NULL) && (input == IN_TV)) {
if (!freq) {
motion_log(LOG_ERR, 0, "%s: Not valid Frequency [%lu] for Source input [%i]",
__FUNCTION__, freq, input);
return NULL;
} else if (set_freq(viddev, freq) == -1) {
motion_log(LOG_ERR, 0, "%s: Frequency [%lu] Source input [%i]",
__FUNCTION__, freq, input);
return NULL;
}
}
/* FIXME if we set as input tuner , we need to set option for tuner not for bktr */
if ((dummy = set_input(viddev, input)) == -1) {
motion_log(LOG_ERR, 0, "%s: set input [%d]", __FUNCTION__, input);
return NULL;
}
viddev->input = dummy;
if ((dummy = set_input_format(viddev, norm)) == -1) {
motion_log(LOG_ERR, 0, "%s: set input format [%d]", __FUNCTION__, norm);
return NULL;
}
viddev->norm = dummy;
if (set_geometry(viddev, width, height) == -1) {
motion_log(LOG_ERR, 0, "%s: set geometry [%d]x[%d]", __FUNCTION__, width, height);
return NULL;
}
/*
if (ioctl(dev_bktr, METEORSACTPIXFMT, &pixelformat) < 0) {
motion_log(LOG_ERR, 1, "set encoding method BSD_VIDFMT_I420");
return NULL;
}
NEEDED !? FIXME
if (setup_pixelformat(viddev) == -1)
return NULL;
*/
if (freq) {
if (debug_level >= CAMERA_DEBUG)
motion_log(-1, 0, "%s: Frequency set (no implemented yet", __FUNCTION__);
/*
TODO missing implementation
set_channelset(viddev);
set_channel(viddev);
if (set_freq (viddev, freq) == -1) {
return NULL;
}
*/
}
/* set capture mode and capture buffers */
/* That is the buffer size for capture images ,
so is dependent of color space of input format / FIXME */
viddev->v4l_bufsize = (((width * height * 3 / 2)) * sizeof(unsigned char *));
viddev->v4l_fmt = VIDEO_PALETTE_YUV420P;
map = mmap((caddr_t)0, viddev->v4l_bufsize, PROT_READ|PROT_WRITE, MAP_SHARED, dev_bktr, (off_t)0);
if (map == MAP_FAILED){
motion_log(LOG_ERR, 1, "%s: mmap failed", __FUNCTION__);
return NULL;
}
/* FIXME double buffer */
if (0) {
viddev->v4l_maxbuffer = 2;
viddev->v4l_buffers[0] = map;
viddev->v4l_buffers[1] = (unsigned char *)map + 0; /* 0 is not valid just a test */
//viddev->v4l_buffers[1] = map+vid_buf.offsets[1];
} else {
viddev->v4l_buffers[0] = map;
viddev->v4l_maxbuffer = 1;
}
viddev->v4l_curbuffer = 0;
/* Clear the buffer */
if (ioctl(dev_bktr, BT848SCBUF, &dummy) < 0) {
motion_log(LOG_ERR, 1, "%s: BT848SCBUF", __FUNCTION__);
return NULL;
}
/* signal handler to know when data is ready to be read() */
memset(&act, 0, sizeof(act));
sigemptyset(&act.sa_mask);
act.sa_handler = catchsignal;
sigaction(SIGUSR2, &act, &old);
dummy = SIGUSR2;
//viddev->capture_method = METEOR_CAP_CONTINOUS;
//viddev->capture_method = METEOR_CAP_SINGLE;
if ((viddev->capture_method == METEOR_CAP_CONTINOUS) && (ioctl(dev_bktr, METEORSSIGNAL, &dummy) < 0)) {
motion_log(LOG_ERR, 1, "%s: METEORSSIGNAL", __FUNCTION__);
motion_log(LOG_INFO, 0 , "%s: METEORSSIGNAL", __FUNCTION__);
viddev->capture_method = METEOR_CAP_SINGLE;
if (ioctl(dev_bktr, METEORCAPTUR, &viddev->capture_method) < 0) {
motion_log(LOG_ERR, 1, "%s: METEORCAPTUR using single method "
"Error capturing", __FUNCTION__);
motion_log(LOG_INFO, 0, "%s: METEORCAPTUR using single method "
"Error capturing", __FUNCTION__);
}
} else {
if (ioctl(dev_bktr, METEORCAPTUR, &viddev->capture_method) < 0) {
viddev->capture_method = METEOR_CAP_SINGLE;
if (ioctl(dev_bktr, METEORCAPTUR, &viddev->capture_method) < 0) {
motion_log(LOG_ERR, 1, "%s: METEORCAPTUR using single method "
"Error capturing", __FUNCTION__);
motion_log(LOG_INFO, 0, "%s: METEORCAPTUR using single method "
"Error capturing", __FUNCTION__);
}
}
}
if (viddev->capture_method == METEOR_CAP_CONTINOUS)
motion_log(LOG_INFO, 0, "%s: METEORCAPTUR METEOR_CAP_CONTINOUS", __FUNCTION__);
else
motion_log(LOG_INFO, 0, "%s: METEORCAPTUR METEOR_CAP_SINGLE", __FUNCTION__);
// settle , sleep(1) replaced
SLEEP(1, 0);
/* FIXME*/
switch (viddev->v4l_fmt) {
case VIDEO_PALETTE_YUV420P:
viddev->v4l_bufsize = (width * height * 3) / 2;
break;
case VIDEO_PALETTE_YUV422:
viddev->v4l_bufsize = (width * height * 2);
break;
case VIDEO_PALETTE_RGB24:
viddev->v4l_bufsize = (width * height * 3);
break;
case VIDEO_PALETTE_GREY:
viddev->v4l_bufsize = width * height;
break;
}
motion_log(LOG_INFO, 0, "HUE [%d]", get_hue(dev_bktr, &dummy));
motion_log(LOG_INFO, 0, "SATURATION [%d]", get_saturation(dev_bktr, &dummy));
motion_log(LOG_INFO, 0, "BRIGHTNESS [%d]", get_brightness(dev_bktr, &dummy));
motion_log(LOG_INFO, 0, "CONTRAST [%d]", get_contrast(dev_bktr, &dummy));
return map;
}
void Gobby::HueButton::set_value(double value)
{
m_value = value;
set_hue(get_hue()); // Update view
}
void Gobby::HueButton::set_saturation(double saturation)
{
m_saturation = saturation;
set_hue(get_hue()); // Update view
}
void
repaint (ppm_t *p, ppm_t *a)
{
int x, y;
int tx = 0, ty = 0;
ppm_t tmp = {0, 0, NULL};
ppm_t atmp = {0, 0, NULL};
int r, g, b, h, i, j, on, sn;
int num_brushes, maxbrushwidth, maxbrushheight;
guchar back[3] = {0, 0, 0};
ppm_t *brushes, *shadows;
ppm_t *brush, *shadow = NULL;
double *brushes_sum;
int cx, cy, maxdist;
double scale, relief, startangle, anglespan, density, bgamma;
int max_progress;
ppm_t paper_ppm = {0, 0, NULL};
ppm_t dirmap = {0, 0, NULL};
ppm_t sizmap = {0, 0, NULL};
int *xpos = NULL, *ypos = NULL;
int progstep;
static int running = 0;
int dropshadow = pcvals.general_drop_shadow;
int shadowblur = pcvals.general_shadow_blur;
if (running)
return;
running++;
runningvals = pcvals;
/* Shouldn't be necessary, but... */
if (img_has_alpha)
if ((p->width != a->width) || (p->height != a->height))
{
g_printerr ("Huh? Image size != alpha size?\n");
return;
}
num_brushes = runningvals.orient_num * runningvals.size_num;
startangle = runningvals.orient_first;
anglespan = runningvals.orient_last;
density = runningvals.brush_density;
if (runningvals.place_type == PLACEMENT_TYPE_EVEN_DIST)
density /= 3.0;
bgamma = runningvals.brushgamma;
brushes = g_malloc (num_brushes * sizeof (ppm_t));
brushes_sum = g_malloc (num_brushes * sizeof (double));
if (dropshadow)
shadows = g_malloc (num_brushes * sizeof (ppm_t));
else
shadows = NULL;
brushes[0].col = NULL;
brush_get_selected (&brushes[0]);
resize (&brushes[0],
brushes[0].width,
brushes[0].height * pow (10, runningvals.brush_aspect));
scale = runningvals.size_last / MAX (brushes[0].width, brushes[0].height);
if (bgamma != 1.0)
ppm_apply_gamma (&brushes[0], 1.0 / bgamma, 1,1,1);
resize (&brushes[0], brushes[0].width * scale, brushes[0].height * scale);
i = 1 + sqrt (brushes[0].width * brushes[0].width +
brushes[0].height * brushes[0].height);
ppm_pad (&brushes[0], i-brushes[0].width, i-brushes[0].width,
i - brushes[0].height, i - brushes[0].height, back);
for (i = 1; i < num_brushes; i++)
{
brushes[i].col = NULL;
ppm_copy (&brushes[0], &brushes[i]);
}
for (i = 0; i < runningvals.size_num; i++)
{
double sv;
if (runningvals.size_num > 1)
sv = i / (runningvals.size_num - 1.0);
else sv = 1.0;
for (j = 0; j < runningvals.orient_num; j++)
{
h = j + i * runningvals.orient_num;
free_rotate (&brushes[h],
startangle + j * anglespan / runningvals.orient_num);
rescale (&brushes[h],
( sv * runningvals.size_first +
(1.0-sv) * runningvals.size_last ) / runningvals.size_last);
autocrop (&brushes[h],1);
}
}
/* Brush-debugging */
#if 0
for (i = 0; i < num_brushes; i++)
{
char tmp[1000];
g_snprintf (tmp, sizeof (tmp), "/tmp/_brush%03d.ppm", i);
ppm_save (&brushes[i], tmp);
}
#endif
for (i = 0; i < num_brushes; i++)
{
if (!runningvals.color_brushes)
prepare_brush (&brushes[i]);
brushes_sum[i] = sum_brush (&brushes[i]);
}
brush = &brushes[0];
maxbrushwidth = maxbrushheight = 0;
for (i = 0; i < num_brushes; i++)
{
if (brushes[i].width > maxbrushwidth)
maxbrushwidth = brushes[i].width;
if (brushes[i].height > maxbrushheight)
maxbrushheight = brushes[i].height;
}
for (i = 0; i < num_brushes; i++)
{
int xp, yp;
guchar blk[3] = {0, 0, 0};
xp = maxbrushwidth - brushes[i].width;
yp = maxbrushheight - brushes[i].height;
if (xp || yp)
ppm_pad (&brushes[i], xp / 2, xp - xp / 2, yp / 2, yp - yp / 2, blk);
}
if (dropshadow)
{
for (i = 0; i < num_brushes; i++)
{
shadows[i].col = NULL;
ppm_copy (&brushes[i], &shadows[i]);
ppm_apply_gamma (&shadows[i], 0, 1,1,0);
ppm_pad (&shadows[i], shadowblur*2, shadowblur*2,
shadowblur*2, shadowblur*2, back);
for (j = 0; j < shadowblur; j++)
blur (&shadows[i], 2, 2);
#if 0
autocrop (&shadows[i],1);
#endif
}
#if 0
maxbrushwidth += shadowdepth*3;
maxbrushheight += shadowdepth*3;
#endif
}
/* For extra annoying debugging :-) */
#if 0
ppm_save (brushes, "/tmp/__brush.ppm");
if (shadows) ppm_save (shadows, "/tmp/__shadow.ppm");
system ("xv /tmp/__brush.ppm & xv /tmp/__shadow.ppm & ");
#endif
if (runningvals.general_paint_edges)
{
edgepad (p, maxbrushwidth, maxbrushwidth,
maxbrushheight, maxbrushheight);
if (img_has_alpha)
edgepad (a, maxbrushwidth, maxbrushwidth,
maxbrushheight, maxbrushheight);
}
if (img_has_alpha)
{
/* Initially fully transparent */
if (runningvals.general_background_type == BG_TYPE_TRANSPARENT)
{
guchar tmpcol[3] = {255, 255, 255};
ppm_new (&atmp, a->width, a->height);
fill (&atmp, tmpcol);
}
else
{
ppm_copy (a, &atmp);
}
}
if (runningvals.general_background_type == BG_TYPE_SOLID)
{
guchar tmpcol[3];
ppm_new (&tmp, p->width, p->height);
gimp_rgb_get_uchar (&runningvals.color,
&tmpcol[0], &tmpcol[1], &tmpcol[2]);
fill (&tmp, tmpcol);
}
else if (runningvals.general_background_type == BG_TYPE_KEEP_ORIGINAL)
{
ppm_copy (p, &tmp);
}
else
{
int dx, dy;
ppm_new (&tmp, p->width, p->height);
ppm_load (runningvals.selected_paper, &paper_ppm);
if (runningvals.paper_scale != 100.0)
{
scale = runningvals.paper_scale / 100.0;
resize (&paper_ppm, paper_ppm.width * scale, paper_ppm.height * scale);
}
if (runningvals.paper_invert)
ppm_apply_gamma (&paper_ppm, -1.0, 1, 1, 1);
dx = runningvals.general_paint_edges ? paper_ppm.width - maxbrushwidth : 0;
dy = runningvals.general_paint_edges ? paper_ppm.height - maxbrushheight : 0;
for (y = 0; y < tmp.height; y++)
{
int lx;
int ry = (y + dy) % paper_ppm.height;
for (x = 0; x < tmp.width; x+=lx)
{
int rx = (x + dx) % paper_ppm.width;
lx = MIN (tmp.width - x, paper_ppm.width - rx);
memcpy (&tmp.col[y * tmp.width * 3 + x * 3],
&paper_ppm.col[ry * paper_ppm.width * 3 + rx * 3],
3 * lx);
}
}
}
cx = p->width / 2;
cy = p->height / 2;
maxdist = sqrt (cx * cx + cy * cy);
switch (runningvals.orient_type)
{
case ORIENTATION_VALUE:
ppm_new (&dirmap, p->width, p->height);
for (y = 0; y < dirmap.height; y++)
{
guchar *dstrow = &dirmap.col[y * dirmap.width * 3];
guchar *srcrow = &p->col[y * p->width * 3];
for (x = 0; x < dirmap.width; x++)
{
dstrow[x * 3] =
(srcrow[x * 3] + srcrow[x * 3 + 1] + srcrow[x * 3 + 2]) / 3;
}
}
break;
case ORIENTATION_RADIUS:
ppm_new (&dirmap, p->width, p->height);
for (y = 0; y < dirmap.height; y++)
{
guchar *dstrow = &dirmap.col[y * dirmap.width * 3];
double ysqr = (cy - y) * (cy - y);
for (x = 0; x < dirmap.width; x++)
{
dstrow[x*3] = sqrt ((cx - x) * (cx - x) + ysqr) * 255 / maxdist;
}
}
break;
case ORIENTATION_RADIAL:
ppm_new (&dirmap, p->width, p->height);
for (y = 0; y < dirmap.height; y++)
{
guchar *dstrow = &dirmap.col[y * dirmap.width * 3];
for (x = 0; x < dirmap.width; x++)
{
dstrow[x * 3] = (G_PI + atan2 (cy - y, cx - x)) *
255.0 / (G_PI * 2);
}
}
break;
case ORIENTATION_FLOWING:
ppm_new (&dirmap, p->width / 6 + 5, p->height / 6 + 5);
mkgrayplasma (&dirmap, 15);
blur (&dirmap, 2, 2);
blur (&dirmap, 2, 2);
resize (&dirmap, p->width, p->height);
blur (&dirmap, 2, 2);
if (runningvals.general_paint_edges)
edgepad (&dirmap, maxbrushwidth, maxbrushheight,
maxbrushwidth, maxbrushheight);
break;
case ORIENTATION_HUE:
ppm_new (&dirmap, p->width, p->height);
for (y = 0; y < dirmap.height; y++)
{
guchar *dstrow = &dirmap.col[y * dirmap.width * 3];
guchar *srcrow = &p->col[y * p->width * 3];
for (x = 0; x < dirmap.width; x++)
{
dstrow[x * 3] = get_hue (&srcrow[x * 3]);
}
}
break;
case ORIENTATION_ADAPTIVE:
{
guchar tmpcol[3] = {0, 0, 0};
ppm_new (&dirmap, p->width, p->height);
fill (&dirmap, tmpcol);
}
break;
case ORIENTATION_MANUAL:
ppm_new (&dirmap, p->width-maxbrushwidth*2, p->height-maxbrushheight*2);
for (y = 0; y < dirmap.height; y++)
{
guchar *dstrow = &dirmap.col[y * dirmap.width * 3];
double tmpy = y / (double)dirmap.height;
for (x = 0; x < dirmap.width; x++)
{
dstrow[x * 3] = get_pixel_value(90 -
get_direction(x /
(double)dirmap.width,
tmpy, 1));
}
}
edgepad (&dirmap,
maxbrushwidth, maxbrushwidth,
maxbrushheight, maxbrushheight);
break;
}
if (runningvals.size_type == SIZE_TYPE_VALUE)
{
ppm_new (&sizmap, p->width, p->height);
for (y = 0; y < sizmap.height; y++)
{
guchar *dstrow = &sizmap.col[y * sizmap.width * 3];
guchar *srcrow = &p->col[y * p->width * 3];
for (x = 0; x < sizmap.width; x++)
{
dstrow[x * 3] =
(srcrow[x * 3] + srcrow[x * 3 + 1] + srcrow[x * 3 + 2]) / 3;
}
}
}
else if (runningvals.size_type == SIZE_TYPE_RADIUS)
{
ppm_new (&sizmap, p->width, p->height);
for (y = 0; y < sizmap.height; y++)
{
guchar *dstrow = &sizmap.col[y * sizmap.width * 3];
double ysqr = (cy - y) * (cy - y);
for (x = 0; x < sizmap.width; x++)
{
dstrow[x * 3] =
sqrt ((cx - x) * (cx - x) + ysqr) * 255 / maxdist;
}
}
}
else if (runningvals.size_type == SIZE_TYPE_RADIAL)
{
ppm_new (&sizmap, p->width, p->height);
for (y = 0; y < sizmap.height; y++)
{
guchar *dstrow = &sizmap.col[y * sizmap.width * 3];
for (x = 0; x < sizmap.width; x++)
{
dstrow[x * 3] = (G_PI + atan2 (cy - y, cx - x)) *
255.0 / (G_PI * 2);
}
}
}
else if (runningvals.size_type == SIZE_TYPE_FLOWING)
{
ppm_new (&sizmap, p->width / 6 + 5, p->height / 6 + 5);
mkgrayplasma (&sizmap, 15);
blur (&sizmap, 2, 2);
blur (&sizmap, 2, 2);
resize (&sizmap, p->width, p->height);
blur (&sizmap, 2, 2);
if (runningvals.general_paint_edges)
edgepad (&sizmap,
maxbrushwidth, maxbrushheight,
maxbrushwidth, maxbrushheight);
}
else if (runningvals.size_type == SIZE_TYPE_HUE)
{
ppm_new (&sizmap, p->width, p->height);
for (y = 0; y < sizmap.height; y++)
{
guchar *dstrow = &sizmap.col[y * sizmap.width * 3];
guchar *srcrow = &p->col[y * p->width * 3];
for (x = 0; x < sizmap.width; x++)
{
dstrow[ x * 3] = get_hue (&srcrow[x * 3]);
}
}
}
else if (runningvals.size_type == SIZE_TYPE_ADAPTIVE)
{
guchar tmpcol[3] = {0, 0, 0};
ppm_new (&sizmap, p->width, p->height);
fill (&sizmap, tmpcol);
}
else if (runningvals.size_type == SIZE_TYPE_MANUAL)
{
ppm_new (&sizmap,
p->width-maxbrushwidth * 2,
p->height-maxbrushheight * 2);
for (y = 0; y < sizmap.height; y++)
{
guchar *dstrow = &sizmap.col[y * sizmap.width * 3];
double tmpy = y / (double)sizmap.height;
for (x = 0; x < sizmap.width; x++)
{
dstrow[x * 3] = 255 * (1.0 - get_siz_from_pcvals (x / (double)sizmap.width, tmpy));
}
}
edgepad (&sizmap,
maxbrushwidth, maxbrushwidth,
maxbrushheight, maxbrushheight);
}
#if 0
ppm_save(&sizmap, "/tmp/_sizmap.ppm");
#endif
if (runningvals.place_type == PLACEMENT_TYPE_RANDOM)
{
i = tmp.width * tmp.height / (maxbrushwidth * maxbrushheight);
i *= density;
}
else if (runningvals.place_type == PLACEMENT_TYPE_EVEN_DIST)
{
i = (int)(tmp.width * density / maxbrushwidth) *
(int)(tmp.height * density / maxbrushheight);
#if 0
g_printerr("i=%d\n", i);
#endif
}
if (i < 1)
i = 1;
max_progress = i;
progstep = max_progress / 30;
if (progstep < 10)
progstep = 10;
if (runningvals.place_type == PLACEMENT_TYPE_EVEN_DIST)
{
int j;
xpos = g_new (int, i);
ypos = g_new (int, i);
for (j = 0; j < i; j++)
{
int factor = (int)(tmp.width * density / maxbrushwidth + 0.5);
if (factor < 1)
factor = 1;
xpos[j] = maxbrushwidth/2 + (j % factor) * maxbrushwidth / density;
ypos[j] = maxbrushheight/2 + (j / factor) * maxbrushheight / density;
}
for (j = 0; j < i; j++)
{
int a, b;
a = g_rand_int_range (random_generator, 0, i);
b = xpos[j]; xpos[j] = xpos[a]; xpos[a] = b;
b = ypos[j]; ypos[j] = ypos[a]; ypos[a] = b;
}
}
