1 /*
2 This file is part of darktable,
3 Copyright (C) 2009-2020 darktable developers.
4
5 darktable is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 darktable is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with darktable. If not, see <http://www.gnu.org/licenses/>.
17 */
18 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #endif
21 #include "common/darktable.h"
22 #include "common/debug.h"
23 #include "common/imagebuf.h"
24 #include "control/control.h"
25 #include "develop/develop.h"
26 #include "develop/imageop.h"
27 #include "gui/draw.h"
28 #include "gui/gtk.h"
29 #include "gui/presets.h"
30 #include "iop/iop_api.h"
31 #include <assert.h>
32 #include <math.h>
33 #include <stdlib.h>
34 #include <string.h>
35
36 #include "iop/equalizer_eaw.h"
37
38 // #define DT_GUI_EQUALIZER_INSET 5
39 // #define DT_GUI_CURVE_INFL .3f
40
41 DT_MODULE_INTROSPECTION(1, dt_iop_equalizer_params_t)
42
43
44 #define DT_IOP_EQUALIZER_RES 64
45 #define DT_IOP_EQUALIZER_BANDS 6
46 #define DT_IOP_EQUALIZER_MAX_LEVEL 6
47
48 typedef struct dt_iop_equalizer_params_t
49 {
50 float equalizer_x[3][DT_IOP_EQUALIZER_BANDS], equalizer_y[3][DT_IOP_EQUALIZER_BANDS];
51 } dt_iop_equalizer_params_t;
52
53 typedef enum dt_iop_equalizer_channel_t
54 {
55 DT_IOP_EQUALIZER_L = 0,
56 DT_IOP_EQUALIZER_a = 1,
57 DT_IOP_EQUALIZER_b = 2
58 } dt_iop_equalizer_channel_t;
59
60 typedef struct dt_iop_equalizer_gui_data_t
61 {
62 dt_draw_curve_t *minmax_curve; // curve for gui to draw
63 GtkBox *hbox;
64 GtkDrawingArea *area;
65 GtkComboBox *presets;
66 GtkRadioButton *channel_button[3];
67 double mouse_x, mouse_y, mouse_pick;
68 float mouse_radius;
69 dt_iop_equalizer_params_t drag_params;
70 int dragging;
71 int x_move;
72 dt_iop_equalizer_channel_t channel;
73 float draw_xs[DT_IOP_EQUALIZER_RES], draw_ys[DT_IOP_EQUALIZER_RES];
74 float draw_min_xs[DT_IOP_EQUALIZER_RES], draw_min_ys[DT_IOP_EQUALIZER_RES];
75 float draw_max_xs[DT_IOP_EQUALIZER_RES], draw_max_ys[DT_IOP_EQUALIZER_RES];
76 float band_hist[DT_IOP_EQUALIZER_BANDS];
77 float band_max;
78 } dt_iop_equalizer_gui_data_t;
79
80 typedef struct dt_iop_equalizer_data_t
81 {
82 dt_draw_curve_t *curve[3];
83 int num_levels;
84 } dt_iop_equalizer_data_t;
85
86
name()87 const char *name()
88 {
89 return _("legacy equalizer");
90 }
91
92
default_group()93 int default_group()
94 {
95 return IOP_GROUP_CORRECT | IOP_GROUP_EFFECTS;
96 }
97
flags()98 int flags()
99 {
100 return IOP_FLAGS_DEPRECATED;
101 }
102
default_colorspace(dt_iop_module_t * self,dt_dev_pixelpipe_t * pipe,dt_dev_pixelpipe_iop_t * piece)103 int default_colorspace(dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
104 {
105 return iop_cs_Lab;
106 }
107
deprecated_msg()108 const char *deprecated_msg()
109 {
110 return _("this module is deprecated. better use contrast equalizer module instead.");
111 }
112
113
process(struct dt_iop_module_t * self,dt_dev_pixelpipe_iop_t * piece,const void * const ivoid,void * const ovoid,const dt_iop_roi_t * const roi_in,const dt_iop_roi_t * const roi_out)114 void process(struct dt_iop_module_t *self, dt_dev_pixelpipe_iop_t *piece, const void *const ivoid,
115 void *const ovoid, const dt_iop_roi_t *const roi_in, const dt_iop_roi_t *const roi_out)
116 {
117 const int chs = piece->colors;
118 const int width = roi_in->width, height = roi_in->height;
119 const float scale = roi_in->scale;
120 dt_iop_image_copy_by_size(ovoid, ivoid, width, height, chs);
121 #if 1
122 // printf("thread %d starting equalizer", (int)pthread_self());
123 // if(piece->iscale != 1.0) printf(" for preview\n");
124 // else printf("\n");
125 dt_iop_equalizer_data_t *d = (dt_iop_equalizer_data_t *)(piece->data);
126 // dt_iop_equalizer_gui_data_t *c = (dt_iop_equalizer_gui_data_t *)self->gui_data;
127
128 // 1 pixel in this buffer represents 1.0/scale pixels in original image:
129 const float l1 = 1.0f + dt_log2f(piece->iscale / scale); // finest level
130 float lm = 0;
131 for(int k = MIN(width, height) * piece->iscale / scale; k; k >>= 1) lm++; // coarsest level
132 lm = MIN(DT_IOP_EQUALIZER_MAX_LEVEL, l1 + lm);
133 // level 1 => full resolution
134 int numl = 0;
135 for(int k = MIN(width, height); k; k >>= 1) numl++;
136 const int numl_cap = MIN(DT_IOP_EQUALIZER_MAX_LEVEL - l1 + 1.5, numl);
137 // printf("level range in %d %d: %f %f, cap: %d\n", 1, d->num_levels, l1, lm, numl_cap);
138
139 // TODO: fixed alloc for data piece at capped resolution?
140 float **tmp = (float **)calloc(numl_cap, sizeof(float *));
141 for(int k = 1; k < numl_cap; k++)
142 {
143 const int wd = (int)(1 + (width >> (k - 1))), ht = (int)(1 + (height >> (k - 1)));
144 tmp[k] = (float *)malloc(sizeof(float) * wd * ht);
145 }
146
147 for(int level = 1; level < numl_cap; level++) dt_iop_equalizer_wtf(ovoid, tmp, level, width, height);
148
149 #if 0
150 // printf("transformed\n");
151 // store luma wavelet histogram for later drawing
152 if(self->dev->gui_attached && piece->iscale == 1.0 && self->dev->preview_pipe && c) // 1.0 => full pipe, only for gui applications.
153 {
154 float *out = (float *)ovoid;
155 // chose full pipe and current window.
156 int cnt[DT_IOP_EQUALIZER_BANDS];
157 for(int i=0; i<DT_IOP_EQUALIZER_BANDS; i++) cnt[i] = 0;
158 for(int l=1; l<numl_cap; l++)
159 {
160 const float lv = (lm-l1)*(l-1)/(float)(numl_cap-1) + l1; // appr level in real image.
161 const int band = CLAMP(.5f + (1.0 - lv / d->num_levels) * (DT_IOP_EQUALIZER_BANDS), 0, DT_IOP_EQUALIZER_BANDS);
162 c->band_hist[band] = 0.0f;
163 cnt[band]++;
164 int ch = (int)c->channel;
165 {
166 const int step = 1<<l;
167 for(int j=0; j<height; j+=step) for(int i=step/2; i<width; i+=step) c->band_hist[band] += out[chs*width*j + chs*i + ch]*out[chs*width*j + chs*i + ch];
168 for(int j=step/2; j<height; j+=step) for(int i=0; i<width; i+=step) c->band_hist[band] += out[chs*width*j + chs*i + ch]*out[chs*width*j + chs*i + ch];
169 for(int j=step/2; j<height; j+=step) for(int i=step/2; i<width; i+=step) c->band_hist[band] += out[chs*width*j + chs*i + ch]*out[chs*width*j + chs*i + ch]*.5f;
170 }
171 }
172 c->band_max = 0.0f;
173 for(int i=0; i<DT_IOP_EQUALIZER_BANDS; i++)
174 {
175 if(cnt[i]) c->band_hist[i] /= cnt[i];
176 else c->band_hist[i] = 0.0;
177 c->band_max = fmaxf(c->band_max, c->band_hist[i]);
178 // printf("band %d = %f\n", i, c->band_hist[i]);
179 }
180 }
181 #endif
182 // printf("histogrammed\n");
183
184 for(int l = 1; l < numl_cap; l++)
185 {
186 float *out = (float *)ovoid;
187 const float lv = (lm - l1) * (l - 1) / (float)(numl_cap - 1) + l1; // appr level in real image.
188 const float band = CLAMP((1.0 - lv / d->num_levels), 0, 1.0);
189 for(int ch = 0; ch < 3; ch++)
190 {
191 // coefficients in range [0, 2], 1 being neutral.
192 const float coeff = 2 * dt_draw_curve_calc_value(d->curve[ch == 0 ? 0 : 1], band);
193 const int step = 1 << l;
194 #if 1 // scale coefficients
195 for(int j = 0; j < height; j += step)
196 for(int i = step / 2; i < width; i += step) out[(size_t)chs * width * j + (size_t)chs * i + ch] *= coeff;
197 for(int j = step / 2; j < height; j += step)
198 for(int i = 0; i < width; i += step) out[(size_t)chs * width * j + (size_t)chs * i + ch] *= coeff;
199 for(int j = step / 2; j < height; j += step)
200 for(int i = step / 2; i < width; i += step)
201 out[(size_t)chs * width * j + (size_t)chs * i + ch] *= coeff * coeff;
202 #else // soft-thresholding (shrinkage)
203 #define wshrink \
204 (copysignf(fmaxf(0.0f, fabsf(out[(size_t)chs * width * j + chs * i + ch]) - (1.0 - coeff)), \
205 out[(size_t)chs * width * j + chs * i + ch]))
206 for(int j = 0; j < height; j += step)
207 for(int i = step / 2; i < width; i += step) out[(size_t)chs * width * j + chs * i + ch] = wshrink;
208 for(int j = step / 2; j < height; j += step)
209 for(int i = 0; i < width; i += step) out[(size_t)chs * width * j + chs * i + ch] = wshrink;
210 for(int j = step / 2; j < height; j += step)
211 for(int i = step / 2; i < width; i += step) out[(size_t)chs * width * j + chs * i + ch] = wshrink;
212 #undef wshrink
213 #endif
214 }
215 }
216 // printf("applied\n");
217 for(int level = numl_cap - 1; level > 0; level--) dt_iop_equalizer_iwtf(ovoid, tmp, level, width, height);
218
219 for(int k = 1; k < numl_cap; k++) free(tmp[k]);
220 free(tmp);
221 // printf("thread %d finished equalizer", (int)pthread_self());
222 // if(piece->iscale != 1.0) printf(" for preview\n");
223 // else printf("\n");
224 #endif
225 }
226
commit_params(struct dt_iop_module_t * self,dt_iop_params_t * p1,dt_dev_pixelpipe_t * pipe,dt_dev_pixelpipe_iop_t * piece)227 void commit_params(struct dt_iop_module_t *self, dt_iop_params_t *p1, dt_dev_pixelpipe_t *pipe,
228 dt_dev_pixelpipe_iop_t *piece)
229 {
230 // pull in new params to pipe
231 dt_iop_equalizer_data_t *d = (dt_iop_equalizer_data_t *)(piece->data);
232 dt_iop_equalizer_params_t *p = (dt_iop_equalizer_params_t *)p1;
233
234 for(int ch = 0; ch < 3; ch++)
235 for(int k = 0; k < DT_IOP_EQUALIZER_BANDS; k++)
236 dt_draw_curve_set_point(d->curve[ch], k, p->equalizer_x[ch][k], p->equalizer_y[ch][k]);
237 int l = 0;
238 for(int k = (int)MIN(pipe->iwidth * pipe->iscale, pipe->iheight * pipe->iscale); k; k >>= 1) l++;
239 d->num_levels = MIN(DT_IOP_EQUALIZER_MAX_LEVEL, l);
240 }
241
init_pipe(struct dt_iop_module_t * self,dt_dev_pixelpipe_t * pipe,dt_dev_pixelpipe_iop_t * piece)242 void init_pipe(struct dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
243 {
244 // create part of the pixelpipe
245 dt_iop_equalizer_data_t *d = (dt_iop_equalizer_data_t *)malloc(sizeof(dt_iop_equalizer_data_t));
246 dt_iop_equalizer_params_t *default_params = (dt_iop_equalizer_params_t *)self->default_params;
247 piece->data = (void *)d;
248 for(int ch = 0; ch < 3; ch++)
249 {
250 d->curve[ch] = dt_draw_curve_new(0.0, 1.0, CATMULL_ROM);
251 for(int k = 0; k < DT_IOP_EQUALIZER_BANDS; k++)
252 (void)dt_draw_curve_add_point(d->curve[ch], default_params->equalizer_x[ch][k],
253 default_params->equalizer_y[ch][k]);
254 }
255 int l = 0;
256 for(int k = (int)MIN(pipe->iwidth * pipe->iscale, pipe->iheight * pipe->iscale); k; k >>= 1) l++;
257 d->num_levels = MIN(DT_IOP_EQUALIZER_MAX_LEVEL, l);
258 }
259
cleanup_pipe(struct dt_iop_module_t * self,dt_dev_pixelpipe_t * pipe,dt_dev_pixelpipe_iop_t * piece)260 void cleanup_pipe(struct dt_iop_module_t *self, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
261 {
262 // clean up everything again.
263 dt_iop_equalizer_data_t *d = (dt_iop_equalizer_data_t *)(piece->data);
264 for(int ch = 0; ch < 3; ch++) dt_draw_curve_destroy(d->curve[ch]);
265 free(piece->data);
266 piece->data = NULL;
267 }
268
gui_update(struct dt_iop_module_t * self)269 void gui_update(struct dt_iop_module_t *self)
270 {
271 // nothing to do, gui curve is read directly from params during expose event.
272 // gtk_widget_queue_draw(self->widget);
273 }
274
init(dt_iop_module_t * module)275 void init(dt_iop_module_t *module)
276 {
277 module->params = calloc(1, sizeof(dt_iop_equalizer_params_t));
278 module->default_params = calloc(1, sizeof(dt_iop_equalizer_params_t));
279 module->default_enabled = 0; // we're a rather slow and rare op.
280 module->params_size = sizeof(dt_iop_equalizer_params_t);
281 module->gui_data = NULL;
282 dt_iop_equalizer_params_t *d = module->default_params;
283 for(int ch = 0; ch < 3; ch++)
284 {
285 for(int k = 0; k < DT_IOP_EQUALIZER_BANDS; k++)
286 d->equalizer_x[ch][k] = k / (float)(DT_IOP_EQUALIZER_BANDS - 1);
287 for(int k = 0; k < DT_IOP_EQUALIZER_BANDS; k++) d->equalizer_y[ch][k] = 0.5f;
288 }
289 }
290
291 #if 0
292 void init_presets (dt_iop_module_so_t *self)
293 {
294 DT_DEBUG_SQLITE3_EXEC(darktable.db, "begin", NULL, NULL, NULL);
295 dt_iop_equalizer_params_t p;
296
297 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
298 {
299 p.equalizer_x[DT_IOP_EQUALIZER_L][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
300 p.equalizer_x[DT_IOP_EQUALIZER_a][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
301 p.equalizer_x[DT_IOP_EQUALIZER_b][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
302 p.equalizer_y[DT_IOP_EQUALIZER_L][k] = .5f+.5f*k/(float)DT_IOP_EQUALIZER_BANDS;
303 p.equalizer_y[DT_IOP_EQUALIZER_a][k] = .5f;
304 p.equalizer_y[DT_IOP_EQUALIZER_b][k] = .5f;
305 }
306 dt_gui_presets_add_generic(_("sharpen (strong)"), self->op, self->version(), &p, sizeof(p), 1);
307 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
308 {
309 p.equalizer_x[DT_IOP_EQUALIZER_L][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
310 p.equalizer_x[DT_IOP_EQUALIZER_a][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
311 p.equalizer_x[DT_IOP_EQUALIZER_b][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
312 p.equalizer_y[DT_IOP_EQUALIZER_L][k] = .5f+.25f*k/(float)DT_IOP_EQUALIZER_BANDS;
313 p.equalizer_y[DT_IOP_EQUALIZER_a][k] = .5f;
314 p.equalizer_y[DT_IOP_EQUALIZER_b][k] = .5f;
315 }
316 dt_gui_presets_add_generic(C_("equalizer", "sharpen"), self->op, self->version(), &p, sizeof(p), 1);
317 for(int ch=0; ch<3; ch++)
318 {
319 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++) p.equalizer_x[ch][k] = k/(float)(DT_IOP_EQUALIZER_BANDS-1);
320 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++) p.equalizer_y[ch][k] = 0.5f;
321 }
322 dt_gui_presets_add_generic(_("null"), self->op, self->version(), &p, sizeof(p), 1);
323 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
324 {
325 p.equalizer_x[DT_IOP_EQUALIZER_L][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
326 p.equalizer_x[DT_IOP_EQUALIZER_a][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
327 p.equalizer_x[DT_IOP_EQUALIZER_b][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
328 p.equalizer_y[DT_IOP_EQUALIZER_L][k] = .5f-.2f*k/(float)DT_IOP_EQUALIZER_BANDS;
329 p.equalizer_y[DT_IOP_EQUALIZER_a][k] = fmaxf(0.0f, .5f-.3f*k/(float)DT_IOP_EQUALIZER_BANDS);
330 p.equalizer_y[DT_IOP_EQUALIZER_b][k] = fmaxf(0.0f, .5f-.3f*k/(float)DT_IOP_EQUALIZER_BANDS);
331 }
332 dt_gui_presets_add_generic(_("denoise"), self->op, self->version(), &p, sizeof(p), 1);
333 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
334 {
335 p.equalizer_x[DT_IOP_EQUALIZER_L][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
336 p.equalizer_x[DT_IOP_EQUALIZER_a][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
337 p.equalizer_x[DT_IOP_EQUALIZER_b][k] = k/(DT_IOP_EQUALIZER_BANDS-1.0);
338 p.equalizer_y[DT_IOP_EQUALIZER_L][k] = .5f-.4f*k/(float)DT_IOP_EQUALIZER_BANDS;
339 p.equalizer_y[DT_IOP_EQUALIZER_a][k] = fmaxf(0.0f, .5f-.6f*k/(float)DT_IOP_EQUALIZER_BANDS);
340 p.equalizer_y[DT_IOP_EQUALIZER_b][k] = fmaxf(0.0f, .5f-.6f*k/(float)DT_IOP_EQUALIZER_BANDS);
341 }
342 dt_gui_presets_add_generic(_("denoise (strong)"), self->op, self->version(), &p, sizeof(p), 1);
343 DT_DEBUG_SQLITE3_EXEC(darktable.db, "commit", NULL, NULL, NULL);
344 }
345 #endif
346
gui_init(struct dt_iop_module_t * self)347 void gui_init(struct dt_iop_module_t *self)
348 {
349 IOP_GUI_ALLOC(equalizer);
350
351 self->widget = dt_ui_label_new(_("this module will be removed in the future\nand is only here so you can "
352 "switch it off\nand move to the new equalizer."));
353
354 #if 0
355 dt_iop_equalizer_gui_data_t *c = (dt_iop_equalizer_gui_data_t *)self->gui_data;
356 dt_iop_equalizer_params_t *p = (dt_iop_equalizer_params_t *)self->params;
357
358 c->band_max = 0;
359 c->channel = DT_IOP_EQUALIZER_L;
360 int ch = (int)c->channel;
361 c->minmax_curve = dt_draw_curve_new(0.0, 1.0, HERMITE_SPLINE);
362 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++) (void)dt_draw_curve_add_point(c->minmax_curve, p->equalizer_x[ch][k], p->equalizer_y[ch][k]);
363 c->mouse_x = c->mouse_y = c->mouse_pick = -1.0;
364 c->dragging = 0;
365 c->x_move = -1;
366 c->mouse_radius = 1.0/DT_IOP_EQUALIZER_BANDS;
367
368 self->widget = GTK_WIDGET(gtk_box_new(GTK_ORIENTATION_VERTICAL, 0));
369 c->area = GTK_DRAWING_AREA(gtk_drawing_area_new());
370 gtk_box_pack_start(GTK_BOX(self->widget), GTK_WIDGET(c->area), TRUE, TRUE, 0);
371 gtk_widget_set_size_request(GTK_WIDGET(c->area), 195, 195);
372
373 gtk_widget_add_events(GTK_WIDGET(c->area), GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK | darktable.gui.scroll_mask);
374 g_signal_connect (G_OBJECT (c->area), "draw",
375 G_CALLBACK (dt_iop_equalizer_expose), self);
376 g_signal_connect (G_OBJECT (c->area), "button-press-event",
377 G_CALLBACK (dt_iop_equalizer_button_press), self);
378 g_signal_connect (G_OBJECT (c->area), "button-release-event",
379 G_CALLBACK (dt_iop_equalizer_button_release), self);
380 g_signal_connect (G_OBJECT (c->area), "motion-notify-event",
381 G_CALLBACK (dt_iop_equalizer_motion_notify), self);
382 g_signal_connect (G_OBJECT (c->area), "leave-notify-event",
383 G_CALLBACK (dt_iop_equalizer_leave_notify), self);
384 g_signal_connect (G_OBJECT (c->area), "scroll-event",
385 G_CALLBACK (dt_iop_equalizer_scrolled), self);
386 // init gtk stuff
387 c->hbox = GTK_BOX(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0));
388 gtk_box_pack_start(GTK_BOX(self->widget), GTK_WIDGET(c->hbox), FALSE, FALSE, 0);
389
390 c->channel_button[0] = GTK_RADIO_BUTTON(gtk_radio_button_new_with_label(NULL, _("luma")));
391 c->channel_button[1] = GTK_RADIO_BUTTON(gtk_radio_button_new_with_label_from_widget(c->channel_button[0], _("chroma")));
392 // c->channel_button[2] = GTK_RADIO_BUTTON(gtk_radio_button_new_with_label_from_widget(c->channel_button[0], "b"));
393
394 g_signal_connect (G_OBJECT (c->channel_button[0]), "toggled",
395 G_CALLBACK (dt_iop_equalizer_button_toggled), self);
396 g_signal_connect (G_OBJECT (c->channel_button[1]), "toggled",
397 G_CALLBACK (dt_iop_equalizer_button_toggled), self);
398 // g_signal_connect (G_OBJECT (c->channel_button[2]), "toggled",
399 // G_CALLBACK (dt_iop_equalizer_button_toggled), self);
400
401 // gtk_box_pack_end(GTK_BOX(c->hbox), GTK_WIDGET(c->channel_button[2]), FALSE, FALSE, 5);
402 gtk_box_pack_end(GTK_BOX(c->hbox), GTK_WIDGET(c->channel_button[1]), FALSE, FALSE, 0);
403 gtk_box_pack_end(GTK_BOX(c->hbox), GTK_WIDGET(c->channel_button[0]), FALSE, FALSE, 0);
404 #endif
405 }
406
407 #if 0
408 static gboolean dt_iop_equalizer_leave_notify(GtkWidget *widget, GdkEventCrossing *event, gpointer user_data)
409 {
410 dt_iop_module_t *self = (dt_iop_module_t *)user_data;
411 dt_iop_equalizer_gui_data_t *c = (dt_iop_equalizer_gui_data_t *)self->gui_data;
412 // c->mouse_radius = 1.0/DT_IOP_EQUALIZER_BANDS;
413 if(!c->dragging) c->mouse_x = c->mouse_y = -1.0;
414 gtk_widget_queue_draw(widget);
415 return TRUE;
416 }
417
418 // fills in new parameters based on mouse position (in 0,1)
419 static void dt_iop_equalizer_get_params(dt_iop_equalizer_params_t *p, const int ch, const double mouse_x, const double mouse_y, const float rad)
420 {
421 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
422 {
423 const float f = expf(-(mouse_x - p->equalizer_x[ch][k])*(mouse_x - p->equalizer_x[ch][k])/(rad*rad));
424 p->equalizer_y[ch][k] = (1-f)*p->equalizer_y[ch][k] + f*mouse_y;
425 }
426 }
427
428 static gboolean dt_iop_equalizer_expose(GtkWidget *widget, cairo_t *crf, gpointer user_data)
429 {
430 dt_iop_module_t *self = (dt_iop_module_t *)user_data;
431 dt_iop_equalizer_gui_data_t *c = (dt_iop_equalizer_gui_data_t *)self->gui_data;
432 dt_iop_equalizer_params_t p = *(dt_iop_equalizer_params_t *)self->params;
433 int ch = (int)c->channel;
434 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++) dt_draw_curve_set_point(c->minmax_curve, k, p.equalizer_x[ch][k], p.equalizer_y[ch][k]);
435 const int inset = DT_GUI_EQUALIZER_INSET;
436 int width = allocation.width, height = allocation.height;
437 cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
438 cairo_t *cr = cairo_create(cst);
439 // clear bg
440 cairo_set_source_rgb (cr, .2, .2, .2);
441 cairo_paint(cr);
442
443 cairo_translate(cr, inset, inset);
444 width -= 2*inset;
445 height -= 2*inset;
446
447 cairo_set_line_width(cr, 1.0);
448 cairo_set_source_rgb (cr, .1, .1, .1);
449 cairo_rectangle(cr, 0, 0, width, height);
450 cairo_stroke(cr);
451
452 cairo_set_source_rgb (cr, .3, .3, .3);
453 cairo_rectangle(cr, 0, 0, width, height);
454 cairo_fill(cr);
455
456 if(c->mouse_y > 0 || c->dragging)
457 {
458 // draw min/max curves:
459 dt_iop_equalizer_get_params(&p, c->channel, c->mouse_x, 1., c->mouse_radius);
460 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
461 dt_draw_curve_set_point(c->minmax_curve, k, p.equalizer_x[ch][k], p.equalizer_y[ch][k]);
462 dt_draw_curve_calc_values(c->minmax_curve, 0.0, 1.0, DT_IOP_EQUALIZER_RES, c->draw_min_xs, c->draw_min_ys);
463
464 p = *(dt_iop_equalizer_params_t *)self->params;
465 dt_iop_equalizer_get_params(&p, c->channel, c->mouse_x, .0, c->mouse_radius);
466 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
467 dt_draw_curve_set_point(c->minmax_curve, k, p.equalizer_x[ch][k], p.equalizer_y[ch][k]);
468 dt_draw_curve_calc_values(c->minmax_curve, 0.0, 1.0, DT_IOP_EQUALIZER_RES, c->draw_max_xs, c->draw_max_ys);
469 }
470
471 // draw grid
472 cairo_set_line_width(cr, .4);
473 cairo_set_source_rgb (cr, .1, .1, .1);
474 dt_draw_grid(cr, 8, 0, 0, width, height);
475
476 // draw x positions
477 cairo_set_line_width(cr, 1.);
478 cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
479 const float arrw = 7.0f;
480 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
481 {
482 cairo_move_to(cr, width*p.equalizer_x[c->channel][k], height+inset-1);
483 cairo_rel_line_to(cr, -arrw*.5f, 0);
484 cairo_rel_line_to(cr, arrw*.5f, -arrw);
485 cairo_rel_line_to(cr, arrw*.5f, arrw);
486 cairo_close_path(cr);
487 if(c->x_move == k) cairo_fill(cr);
488 else cairo_stroke(cr);
489 }
490
491 // draw selected cursor
492 cairo_set_line_width(cr, 1.);
493 cairo_translate(cr, 0, height);
494
495 // draw frequency histogram in bg.
496 #if 1
497 if(c->band_max > 0)
498 {
499 cairo_save(cr);
500 cairo_scale(cr, width/(DT_IOP_EQUALIZER_BANDS-1.0), -(height-5)/c->band_max);
501 cairo_set_source_rgba(cr, .2, .2, .2, 0.5);
502 cairo_move_to(cr, 0, 0);
503 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++) cairo_line_to(cr, k, c->band_hist[k]);
504 cairo_line_to(cr, DT_IOP_EQUALIZER_BANDS-1.0, 0.);
505 cairo_close_path(cr);
506 cairo_fill(cr);
507 cairo_restore(cr);
508 }
509 #endif
510
511 // cairo_set_operator(cr, CAIRO_OPERATOR_ADD);
512 cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
513 cairo_set_line_width(cr, 2.);
514 for(int i=0; i<3; i++)
515 {
516 // draw curves, selected last.
517 int ch = ((int)c->channel+i+1)%3;
518 if(ch == 2) continue;
519 switch(ch)
520 {
521 case DT_IOP_EQUALIZER_L:
522 cairo_set_source_rgba(cr, .6, .6, .6, .3);
523 break;
524 case DT_IOP_EQUALIZER_a:
525 cairo_set_source_rgba(cr, .4, .2, .0, .4);
526 break;
527 default: //case DT_IOP_EQUALIZER_b:
528 cairo_set_source_rgba(cr, 0., .2, .4, .4);
529 break;
530 }
531 p = *(dt_iop_equalizer_params_t *)self->params;
532 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
533 dt_draw_curve_set_point(c->minmax_curve, k, p.equalizer_x[ch][k], p.equalizer_y[ch][k]);
534 dt_draw_curve_calc_values(c->minmax_curve, 0.0, 1.0, DT_IOP_EQUALIZER_RES, c->draw_xs, c->draw_ys);
535 // cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
536 cairo_move_to(cr, 0, 0);
537 for(int k=0; k<DT_IOP_EQUALIZER_RES; k++) cairo_line_to(cr, k*width/(float)(DT_IOP_EQUALIZER_RES-1), - height*c->draw_ys[k]);
538 cairo_line_to(cr, width, 0);
539 cairo_close_path(cr);
540 cairo_stroke_preserve(cr);
541 cairo_fill(cr);
542 }
543
544 // draw dots on knots
545 cairo_save(cr);
546 cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
547 cairo_set_line_width(cr, 1.);
548 for(int k=0; k<DT_IOP_EQUALIZER_BANDS; k++)
549 {
550 cairo_arc(cr, width*p.equalizer_x[c->channel][k], - height*p.equalizer_y[c->channel][k], 3.0, 0.0, 2.0*M_PI);
551 if(c->x_move == k) cairo_fill(cr);
552 else cairo_stroke(cr);
553 }
554 cairo_restore(cr);
555
556 if(c->mouse_y > 0 || c->dragging)
557 {
558 // draw min/max, if selected
559 // cairo_set_source_rgba(cr, .6, .6, .6, .5);
560 cairo_move_to(cr, 0, - height*c->draw_min_ys[0]);
561 for(int k=1; k<DT_IOP_EQUALIZER_RES; k++) cairo_line_to(cr, k*width/(float)(DT_IOP_EQUALIZER_RES-1), - height*c->draw_min_ys[k]);
562 for(int k=DT_IOP_EQUALIZER_RES-2; k>=0; k--) cairo_line_to(cr, k*width/(float)(DT_IOP_EQUALIZER_RES-1), - height*c->draw_max_ys[k]);
563 cairo_close_path(cr);
564 cairo_fill(cr);
565 // draw mouse focus circle
566 cairo_set_source_rgba(cr, .9, .9, .9, .5);
567 const float pos = DT_IOP_EQUALIZER_RES * c->mouse_x;
568 int k = (int)pos;
569 const float f = k - pos;
570 if(k >= DT_IOP_EQUALIZER_RES-1) k = DT_IOP_EQUALIZER_RES - 2;
571 float ht = -height*(f*c->draw_ys[k] + (1-f)*c->draw_ys[k+1]);
572 cairo_arc(cr, c->mouse_x*width, ht, c->mouse_radius*width, 0, 2.*M_PI);
573 cairo_stroke(cr);
574 }
575
576 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
577
578 cairo_destroy(cr);
579 cairo_set_source_surface (crf, cst, 0, 0);
580 cairo_paint(crf);
581 cairo_surface_destroy(cst);
582 return TRUE;
583 }
584
585 static gboolean dt_iop_equalizer_motion_notify(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
586 {
587 dt_iop_module_t *self = (dt_iop_module_t *)user_data;
588 dt_iop_equalizer_gui_data_t *c = (dt_iop_equalizer_gui_data_t *)self->gui_data;
589 dt_iop_equalizer_params_t *p = (dt_iop_equalizer_params_t *)self->params;
590 const int inset = DT_GUI_EQUALIZER_INSET;
591 int height = allocation.height - 2*inset, width = allocation.width - 2*inset;
592 if(!c->dragging) c->mouse_x = CLAMP(event->x - inset, 0, width)/(float)width;
593 c->mouse_y = 1.0 - CLAMP(event->y - inset, 0, height)/(float)height;
594 if(c->dragging)
595 {
596 *p = c->drag_params;
597 if(c->x_move >= 0)
598 {
599 const float mx = CLAMP(event->x - inset, 0, width)/(float)width;
600 if(c->x_move > 0 && c->x_move < DT_IOP_EQUALIZER_BANDS-1)
601 {
602 const float minx = p->equalizer_x[c->channel][c->x_move-1] + 0.001f;
603 const float maxx = p->equalizer_x[c->channel][c->x_move+1] - 0.001f;
604 p->equalizer_x[c->channel][c->x_move] = fminf(maxx, fmaxf(minx, mx));
605 }
606 }
607 else
608 {
609 dt_iop_equalizer_get_params(p, c->channel, c->mouse_x, c->mouse_y + c->mouse_pick, c->mouse_radius);
610 }
611 dt_dev_add_history_item(darktable.develop, self, TRUE);
612 }
613 else if(event->y > height)
614 {
615 c->x_move = 0;
616 float dist = fabsf(p->equalizer_x[c->channel][0] - c->mouse_x);
617 for(int k=1; k<DT_IOP_EQUALIZER_BANDS; k++)
618 {
619 float d2 = fabsf(p->equalizer_x[c->channel][k] - c->mouse_x);
620 if(d2 < dist)
621 {
622 c->x_move = k;
623 dist = d2;
624 }
625 }
626 }
627 else
628 {
629 c->x_move = -1;
630 }
631 gtk_widget_queue_draw(widget);
632
633 return TRUE;
634 }
635
636 static gboolean dt_iop_equalizer_button_press(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
637 {
638 // set active point
639 if(event->button == 1)
640 {
641 dt_iop_module_t *self = (dt_iop_module_t *)user_data;
642 dt_iop_equalizer_gui_data_t *c = (dt_iop_equalizer_gui_data_t *)self->gui_data;
643 c->drag_params = *(dt_iop_equalizer_params_t *)self->params;
644 const int inset = DT_GUI_EQUALIZER_INSET;
645 int height = allocation.height - 2*inset, width = allocation.width - 2*inset;
646 c->mouse_pick = dt_draw_curve_calc_value(c->minmax_curve, CLAMP(event->x - inset, 0, width)/(float)width);
647 c->mouse_pick -= 1.0 - CLAMP(event->y - inset, 0, height)/(float)height;
648 c->dragging = 1;
649 return TRUE;
650 }
651 return FALSE;
652 }
653
654 static gboolean dt_iop_equalizer_button_release(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
655 {
656 if(event->button == 1)
657 {
658 dt_iop_module_t *self = (dt_iop_module_t *)user_data;
659 dt_iop_equalizer_gui_data_t *c = (dt_iop_equalizer_gui_data_t *)self->gui_data;
660 c->dragging = 0;
661 return TRUE;
662 }
663 return FALSE;
664 }
665
666 static gboolean dt_iop_equalizer_scrolled(GtkWidget *widget, GdkEventScroll *event, gpointer user_data)
667 {
668 dt_iop_module_t *self = (dt_iop_module_t *)user_data;
669 dt_iop_equalizer_gui_data_t *c = (dt_iop_equalizer_gui_data_t *)self->gui_data;
670
671 gdouble delta_y;
672 if(dt_gui_get_scroll_deltas(event, NULL, &delta_y))
673 {
674 c->mouse_radius = CLAMP(c->mouse_radius * (1.0 + 0.1 * delta_y), 0.25 / DT_IOP_EQUALIZER_BANDS, 1.0);
675 gtk_widget_queue_draw(widget);
676 }
677
678 return TRUE;
679 }
680
681 static void dt_iop_equalizer_button_toggled(GtkToggleButton *togglebutton, gpointer user_data)
682 {
683 dt_iop_module_t *self = (dt_iop_module_t *)user_data;
684 dt_iop_equalizer_gui_data_t *c = (dt_iop_equalizer_gui_data_t *)self->gui_data;
685 if(gtk_toggle_button_get_active(togglebutton))
686 {
687 for(int k=0; k<3; k++) if(c->channel_button[k] == GTK_RADIO_BUTTON(togglebutton))
688 {
689 c->channel = (dt_iop_equalizer_channel_t)k;
690 gtk_widget_queue_draw(self->widget);
691 return;
692 }
693 }
694 }
695 #endif
696
697 // modelines: These editor modelines have been set for all relevant files by tools/update_modelines.sh
698 // vim: shiftwidth=2 expandtab tabstop=2 cindent
699 // kate: tab-indents: off; indent-width 2; replace-tabs on; indent-mode cstyle; remove-trailing-spaces modified;
700