GCC Code Coverage Report

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 2000-2022 Inria
3			* All rights reserved.
4			*
5			* Redistribution and use in source and binary forms, with or without
6			* modification, are permitted provided that the following conditions are met:
7			*
8			* * Redistributions of source code must retain the above copyright notice,
9			* this list of conditions and the following disclaimer.
10			* * Redistributions in binary form must reproduce the above copyright notice,
11			* this list of conditions and the following disclaimer in the documentation
12			* and/or other materials provided with the distribution.
13			* * Neither the name of the ALICE Project-Team nor the names of its
14			* contributors may be used to endorse or promote products derived from this
15			* software without specific prior written permission.
16			*
17			* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18			* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20			* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
21			* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22			* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23			* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24			* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25			* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27			* POSSIBILITY OF SUCH DAMAGE.
28			*
29			* Contact: Bruno Levy
30			*
31			* https://www.inria.fr/fr/bruno-levy
32			*
33			* Inria,
34			* Domaine de Voluceau,
35			* 78150 Le Chesnay - Rocquencourt
36			* FRANCE
37			*
38			*/
39
40			#include <geogram_gfx/gui/simple_application.h>
41			#include <geogram_gfx/gui/geogram_logo_256.xpm>
42
43			#include <geogram/basic/file_system.h>
44			#include <geogram/basic/string.h>
45			#include <geogram/basic/logger.h>
46			#include <geogram/basic/command_line.h>
47			#include <geogram/basic/stopwatch.h>
48			#include <geogram/basic/command_line.h>
49			#include <geogram/basic/command_line_args.h>
50			#include <geogram/image/image.h>
51			#include <geogram/image/image_library.h>
52
53			#include <geogram/bibliography/bibliography.h>
54
55			#include <geogram_gfx/full_screen_effects/ambient_occlusion.h>
56			#include <geogram_gfx/full_screen_effects/unsharp_masking.h>
57
58
59			#include <geogram_gfx/gui/colormaps/french.xpm>
60			#include <geogram_gfx/gui/colormaps/black_white.xpm>
61			#include <geogram_gfx/gui/colormaps/viridis.xpm>
62			#include <geogram_gfx/gui/colormaps/rainbow.xpm>
63			#include <geogram_gfx/gui/colormaps/cei_60757.xpm>
64			#include <geogram_gfx/gui/colormaps/inferno.xpm>
65			#include <geogram_gfx/gui/colormaps/magma.xpm>
66			#include <geogram_gfx/gui/colormaps/parula.xpm>
67			#include <geogram_gfx/gui/colormaps/plasma.xpm>
68			#include <geogram_gfx/gui/colormaps/blue_red.xpm>
69
70			#ifdef GEOGRAM_WITH_LUA
71
72			# include <geogram_gfx/lua/lua_glup.h>
73			# include <geogram_gfx/lua/lua_simple_application.h>
74			# include <geogram_gfx/lua/lua_imgui.h>
75			# include <geogram/lua/lua_io.h>
76
77			#endif
78
79			#ifdef GEO_OS_EMSCRIPTEN
80			# include <emscripten.h>
81			#endif
82
83			#ifdef GEO_OS_ANDROID
84			# include <geogram/basic/android_utils.h>
85			#endif
86
87			namespace {
88			# include <geogram_gfx/gui/gui_state_v.h>
89			# include <geogram_gfx/gui/gui_state_h.h>
90			# include <geogram_gfx/gui/gui_state.h>
91			}
92
93			/******************************************************************************/
94
95			namespace {
96
97			/**
98			* \brief Converts a complete path to a file to a label
99			* displayed in the file browser.
100			* \details Strips viewer_path from the input path.
101			* \param[in] path the complete path, can be either a directory or
102			* a file
103			* \return the label to be displayed in the menu
104			*/
105		✗	std::string path_to_label(
106			const std::string& viewer_path, const std::string& path
107			) {
108			std::string result = path;
109		✗	if(GEO::String::string_starts_with(result, viewer_path)) {
110		✗	result = result.substr(
111			viewer_path.length(), result.length()-viewer_path.length()
112		✗	);
113			}
114		✗	return result;
115			}
116
117
118			}
119
120			/******************************************************************************/
121
122			namespace GEO {
123
124		✗	SimpleApplication::SimpleApplication(
125			const std::string& name
126		✗	) :
127			Application(name),
128		✗	text_editor_(&text_editor_visible_)
129			{
130		✗	lighting_ = true;
131		✗	edit_light_ = false;
132		✗	clipping_ = false;
133		✗	clip_mode_ = GLUP_CLIP_STRADDLING_CELLS;
134		✗	edit_clip_ = false;
135		✗	fixed_clip_ = false;
136		✗	background_color_ = vec4f(0.0f, 0.0f, 0.0f, 1.0f);
137		✗	effect_ = GLenum(0);
138
139		✗	filename_[0] = '\0';
140		✗	geogram_logo_texture_ = 0;
141		✗	viewer_properties_visible_ = true;
142		✗	object_properties_visible_ = true;
143		✗	console_visible_ = true;
144		✗	use_text_editor_ = false;
145		✗	text_editor_visible_ = false;
146		✗	menubar_visible_ = true;
147		✗	command_line_editor_visible_ = false;
148
149		✗	console_ = new Console(&console_visible_);
150		✗	console_->hide_command_prompt();
151			text_editor_.set_fixed_layout(false);
152		✗	status_bar_ = new StatusBar;
153
154		✗	add_key_func("q", [this]() { stop(); }, "quit");
155		✗	add_key_func("z", [this]() { zoom_in(); }, "zoom in");
156		✗	add_key_func("Z", [this]() { zoom_out(); }, "zoom out");
157		✗	add_key_func("H", [this]() { home(); }, "home");
158
159		✗	add_key_toggle("L", &lighting_, "light");
160		✗	add_key_toggle("l", &edit_light_, "light edit");
161		✗	add_key_toggle("F1", &clipping_, "clipping");
162		✗	add_key_toggle("F2", &edit_clip_, "clip plane edit");
163		✗	add_key_toggle("F3", &fixed_clip_, "fixed clip plane");
164		✗	add_key_toggle("a", animate_ptr(), "animate");
165		✗	add_key_toggle("F6", &text_editor_visible_, "text editor");
166		✗	add_key_toggle("F7", &viewer_properties_visible_, "viewer properties");
167		✗	add_key_toggle("F8", &object_properties_visible_, "object properties");
168		✗	add_key_toggle("F9", &console_visible_, "console");
169		✗	add_key_toggle("F12", &menubar_visible_, "menubar");
170
171		✗	add_key_func("F5", replay_latest_command, "replay latest command");
172		✗	add_key_func("F11", [this]() { snapshot("",true); },"snapshot");
173
174		✗	set_region_of_interest(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
175
176		✗	object_translation_ = vec3(0.0, 0.0, 0.0);
177
178		✗	mouse_op_ = MOUSE_NOOP;
179		✗	mouse_target_ = MOUSE_NOTARGET;
180
181		✗	three_D_ = true;
182		✗	zoom_ = 1.0;
183		✗	zoom_down_ = 1.0;
184
185			#ifdef GEOGRAM_WITH_LUA
186		✗	lua_error_occured_ = false;
187		✗	lua_state_ = luaL_newstate();
188		✗	luaL_openlibs(lua_state_);
189		✗	init_lua_io(lua_state_);
190		✗	init_lua_glup(lua_state_);
191		✗	init_lua_simple_application(lua_state_);
192		✗	init_lua_imgui(lua_state_);
193			#else
194			lua_error_occured_ = false;
195			lua_state_ = nullptr;
196			#endif
197		✗	geo_cite_with_info(
198			"WEB:ImGUI",
199			"Used to create the GUI of GEOGRAM utilities "
200			"(vorpaview, geobox, geocod)."
201			);
202
203			// TODO: flip Y only in mouse callback
204			object_rotation_.set_y_inverted(true);
205			light_rotation_.set_y_inverted(true);
206			clip_rotation_.set_y_inverted(true);
207
208		✗	props_pinned_ = false;
209		✗	locked_ = false;
210		✗	}
211
212		✗	SimpleApplication::~SimpleApplication() {
213			#ifdef GEOGRAM_WITH_LUA
214		✗	if(lua_state_ != nullptr) {
215		✗	lua_close(lua_state_);
216		✗	lua_state_ = nullptr;
217			}
218			#endif
219		✗	}
220
221		✗	void SimpleApplication::home() {
222		✗	zoom_ = 1.0;
223		✗	object_translation_ = vec3(0.0, 0.0, 0.0);
224		✗	object_rotation_.reset();
225		✗	light_rotation_.reset();
226		✗	clip_rotation_.reset();
227		✗	clip_translation_ = vec3(0.0, 0.0, 0.0);
228		✗	clipping_ = false;
229		✗	edit_clip_ = false;
230		✗	fixed_clip_ = false;
231		✗	edit_light_ = false;
232		✗	}
233
234		✗	void SimpleApplication::add_key_func(
235			const std::string& key, std::function<void()> cb,
236			const char* help
237			) {
238		✗	key_funcs_[key] = cb;
239		✗	if(help != nullptr) {
240		✗	key_funcs_help_[key] = help;
241			}
242		✗	}
243
244		✗	void SimpleApplication::add_key_toggle(
245			const std::string& key, bool* p_val,
246			const char* help
247			) {
248		✗	add_key_func(
249		✗	key, [p_val]() { *p_val = !*p_val; },
250			(help != nullptr) ?
251		✗	(std::string("toggle ") + help).c_str() : nullptr
252			);
253		✗	}
254
255		✗	void SimpleApplication::char_callback(unsigned int c){
256		✗	Application::char_callback(c);
257		✗	if(text_editor_visible_) {
258		✗	return;
259			}
260		✗	std::string k=" ";
261		✗	k[0] = char(c);
262			auto F = key_funcs_.find(k);
263		✗	if(F != key_funcs_.end()) {
264			F->second();
265			}
266			}
267
268		✗	void SimpleApplication::key_callback(
269			int key, int scancode, int action, int mods
270			) {
271		✗	Application::key_callback(key, scancode, action, mods);
272		✗	if(action == 0) {
273		✗	auto F = key_funcs_.find(std::string(key_to_string(key)));
274		✗	if(F != key_funcs_.end()) {
275			F->second();
276			}
277			}
278		✗	}
279
280		✗	void SimpleApplication::set_style(const std::string& style) {
281		✗	Application::set_style(style);
282		✗	if(String::string_starts_with(style, "Light") || style == "Polyscope") {
283		✗	background_color_ = vec4f(1.0f, 1.0f, 1.0f, 1.0f);
284			} else {
285		✗	background_color_ = vec4f(0.0f, 0.0f, 0.0f, 1.0f);
286			}
287		✗	}
288
289		✗	void SimpleApplication::set_region_of_interest(
290			double xmin, double ymin, double zmin,
291			double xmax, double ymax, double zmax
292			) {
293		✗	roi_.xyz_min[0] = xmin;
294		✗	roi_.xyz_min[1] = ymin;
295		✗	roi_.xyz_min[2] = zmin;
296		✗	roi_.xyz_max[0] = xmax;
297		✗	roi_.xyz_max[1] = ymax;
298		✗	roi_.xyz_max[2] = zmax;
299		✗	roi_radius_ = sqrt(
300		✗	0.25 * (xmax - xmin) * (xmax - xmin) +
301		✗	0.25 * (ymax - ymin) * (ymax - ymin) +
302		✗	0.25 * (zmax - zmin) * (zmax - zmin)
303			);
304		✗	}
305
306		✗	void SimpleApplication::get_region_of_interest(
307			double& xmin, double& ymin, double& zmin,
308			double& xmax, double& ymax, double& zmax
309			) const {
310		✗	xmin = roi_.xyz_min[0];
311		✗	ymin = roi_.xyz_min[1];
312		✗	zmin = roi_.xyz_min[2];
313		✗	xmax = roi_.xyz_max[0];
314		✗	ymax = roi_.xyz_max[1];
315		✗	zmax = roi_.xyz_max[2];
316		✗	}
317
318		✗	void SimpleApplication::draw_gui() {
319			#ifdef GEO_OS_ANDROID
320			if(
321			supported_read_file_extensions() != "" ||
322			supported_write_file_extensions() != ""
323			) {
324			static bool firsttime = true;
325			static int nb_perms = 2;
326			static const char* perms[] = {
327			"READ_EXTERNAL_STORAGE",
328			"WRITE_EXTERNAL_STORAGE"
329			};
330			if(firsttime) {
331			firsttime = false;
332			bool OK = true;
333			for(int i=0; i<nb_perms; ++i) {
334			OK = OK && AndroidUtils::has_permission(
335			CmdLine::get_android_app(), perms[i]
336			);
337			}
338			if(!OK) {
339			AndroidUtils::request_permissions(
340			CmdLine::get_android_app(), nb_perms, perms
341			);
342			}
343			}
344			}
345			#endif
346		✗	draw_menu_bar();
347		✗	draw_dock_space();
348		✗	draw_viewer_properties_window();
349		✗	draw_object_properties_window();
350		✗	draw_console();
351		✗	draw_command_window();
352		✗	draw_command_line_editor();
353		✗	if(text_editor_visible_) {
354		✗	text_editor_.draw();
355			}
356		✗	if(
357		✗	ImGui::FileDialog("##load_dlg", filename_, geo_imgui_string_length)
358			) {
359		✗	load(filename_);
360			}
361		✗	if(
362		✗	ImGui::FileDialog("##save_dlg", filename_, geo_imgui_string_length)
363			) {
364		✗	save(filename_);
365			}
366		✗	if(status_bar_->active()) {
367		✗	float w = float(get_frame_buffer_width());
368		✗	float h = float(get_frame_buffer_height());
369		✗	float STATUS_HEIGHT = status_bar_->get_window_height();
370		✗	if(STATUS_HEIGHT == 0.0f) {
371		✗	STATUS_HEIGHT = float(get_font_size());
372		✗	if(phone_screen_) {
373		✗	STATUS_HEIGHT *= std::max(w,h)/600.f;
374			}
375			}
376		✗	STATUS_HEIGHT *= 1.5f;
377		✗	ImGui::SetNextWindowPos(
378		✗	ImVec2(0.0f, h-STATUS_HEIGHT),
379			ImGuiCond_Always
380			);
381		✗	ImGui::SetNextWindowSize(
382		✗	ImVec2(w,STATUS_HEIGHT-1.0f),
383			ImGuiCond_Always
384			);
385		✗	status_bar_->draw();
386			}
387		✗	}
388
389		✗	void SimpleApplication::draw_scene_begin() {
390
391		✗	glClearColor(
392		✗	background_color_.x,
393		✗	background_color_.y,
394		✗	background_color_.z,
395		✗	background_color_.w
396			);
397		✗	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
398
399		✗	glEnable(GL_DEPTH_TEST);
400		✗	glDepthFunc(GL_LEQUAL);
401
402		✗	glViewport(
403			0, 0,
404			int(double(get_frame_buffer_width())),
405			int(double(get_frame_buffer_height()))
406			);
407
408			double zScreen = 5.0; // screen projection plane
409			{
410		✗	glupMatrixMode(GLUP_PROJECTION_MATRIX);
411		✗	glupLoadIdentity();
412
413		✗	double aspect = double(get_width()) / double(get_height());
414			double zNear = 1.0; // near clipping plane.
415			double zFar = 10.0; // far clipping plane.
416		✗	if(three_D_) {
417			double camera_aperture = 9.0; // field of view in degrees.
418			double view_max_size = zScreen * tan(
419			(camera_aperture * M_PI / 180.0) / 2.0
420			);
421			double right;
422			double top;
423		✗	if(aspect < 1.0) {
424			top = view_max_size;
425		✗	right = top * aspect;
426			} else {
427			right = view_max_size;
428		✗	top = right / aspect;
429			}
430		✗	right /= zoom_;
431		✗	top /= zoom_;
432		✗	glupFrustum(-right, right, -top, top, zNear, zFar);
433			} else {
434		✗	double x = 1.0 / zoom_;
435			double y = 1.0 / zoom_;
436		✗	if(aspect > 1.0) {
437		✗	x *= aspect;
438			} else {
439		✗	y /= aspect;
440			}
441		✗	glupOrtho(-x, x, -y, y, zNear, zFar);
442			}
443			}
444
445		✗	static vec3 light0 = normalize(vec3(1.0, 1.0, 1.0));
446		✗	vec3 light = vec3(vec4(light0,0.0) * light_rotation_.get_value());
447
448		✗	glupLightVector3f(float(light.x), float(light.y), float(light.z));
449
450		✗	glupMatrixMode(GLUP_MODELVIEW_MATRIX);
451		✗	glupLoadIdentity();
452		✗	glupTranslated(0.0, 0.0, -zScreen);
453
454			// Clipping
455			{
456			static double clip_eqn[4];
457		✗	clip_eqn[0] = 0.0;
458		✗	clip_eqn[1] = 0.0;
459		✗	clip_eqn[2] = 0.0;
460		✗	clip_eqn[3] = 0.0;
461		✗	glupClipPlane(clip_eqn);
462		✗	glupDisable(GLUP_CLIPPING);
463
464		✗	if(clipping_) {
465		✗	glupPushMatrix();
466		✗	glupTranslated(
467		✗	clip_translation_.x,
468		✗	clip_translation_.y,
469		✗	clip_translation_.z
470			);
471		✗	glupMultMatrix(clip_rotation_.get_value());
472
473			{
474		✗	if(effect_ != 0) {
475		✗	glDepthMask(GL_FALSE);
476			}
477		✗	glupSetMeshWidth(1.0f);
478		✗	glupSetColor3f(
479			GLUP_FRONT_AND_BACK_COLOR,
480		✗	1.0f - background_color_.x,
481		✗	1.0f - background_color_.y,
482		✗	1.0f - background_color_.z
483			);
484		✗	float sq_w = 1.25f / float(zoom_);
485
486			GLboolean vertex_colors_save =
487		✗	glupIsEnabled(GLUP_VERTEX_COLORS);
488		✗	GLboolean texturing_save = glupIsEnabled(GLUP_TEXTURING);
489		✗	glupDisable(GLUP_VERTEX_COLORS);
490		✗	glupDisable(GLUP_TEXTURING);
491
492			// Draw the cross
493		✗	glupBegin(GLUP_LINES);
494		✗	glupVertex3f(-sq_w, 0.0f, 0.0f);
495		✗	glupVertex3f(sq_w, 0.0f, 0.0f);
496		✗	glupVertex3f(0.0f, -sq_w, 0.0f);
497		✗	glupVertex3f(0.0f, sq_w, 0.0f);
498
499			// Draw the square around the cross
500		✗	for(index_t i=0; i<3; ++i) {
501		✗	glupVertex3f(sq_w, -sq_w, 0.0f);
502		✗	glupVertex3f(sq_w, sq_w, 0.0f);
503		✗	glupVertex3f(sq_w, sq_w, 0.0f);
504		✗	glupVertex3f(-sq_w, sq_w, 0.0f);
505		✗	glupVertex3f(-sq_w, sq_w, 0.0f);
506		✗	glupVertex3f(-sq_w, -sq_w, 0.0f);
507		✗	glupVertex3f(-sq_w, -sq_w, 0.0f);
508		✗	glupVertex3f(sq_w, -sq_w, 0.0f);
509		✗	sq_w = sq_w * 1.01f;
510			}
511		✗	glupEnd();
512		✗	if(vertex_colors_save) {
513		✗	glupEnable(GLUP_VERTEX_COLORS);
514			}
515		✗	if(texturing_save) {
516		✗	glupEnable(GLUP_TEXTURING);
517			}
518			}
519		✗	clip_eqn[0] = 0.0;
520		✗	clip_eqn[1] = 0.0;
521		✗	clip_eqn[2] = -1.0;
522		✗	clip_eqn[3] = 0.0;
523		✗	glupEnable(GLUP_CLIPPING);
524		✗	glupClipPlane(clip_eqn);
525		✗	glupClipMode(clip_mode_);
526		✗	glupPopMatrix();
527		✗	if(effect_ != 0) {
528		✗	glDepthMask(GL_TRUE);
529			}
530			}
531			}
532
533			glupTranslate(object_translation_);
534		✗	glupMultMatrix(object_rotation_.get_value());
535
536		✗	glupScaled(
537		✗	1.5 / roi_radius_, 1.5 / roi_radius_, 1.5 / roi_radius_
538			);
539		✗	glupTranslated(
540		✗	-0.5 * (roi_.xyz_min[0] + roi_.xyz_max[0]),
541		✗	-0.5 * (roi_.xyz_min[1] + roi_.xyz_max[1]),
542		✗	-0.5 * (roi_.xyz_min[2] + roi_.xyz_max[2])
543			);
544
545		✗	if(lighting_) {
546		✗	glupEnable(GLUP_LIGHTING);
547			} else {
548		✗	glupDisable(GLUP_LIGHTING);
549			}
550
551			// Save transform for picking
552			{
553		✗	glGetIntegerv(GL_VIEWPORT, viewport_);
554			// Note: OpenGL uses column-major order for matrices
555			// (thus what we get is the transpose of each matrix)
556		✗	glupGetMatrixdv(GLUP_MODELVIEW_MATRIX, modelview_transpose_.data());
557		✗	glupGetMatrixdv(GLUP_PROJECTION_MATRIX, project_transpose_.data());
558			}
559		✗	}
560
561		✗	vec3 SimpleApplication::project(const vec3& p) {
562			vec3 result;
563		✗	glupProject(
564		✗	p.x, p.y, p.z,
565		✗	modelview_transpose_.data(), project_transpose_.data(), viewport_,
566			&result.x, &result.y, &result.z
567			);
568		✗	return result;
569			}
570
571		✗	vec3 SimpleApplication::unproject(const vec3& p) {
572			vec3 result;
573		✗	glupUnProject(
574		✗	p.x, p.y, p.z,
575		✗	modelview_transpose_.data(), project_transpose_.data(), viewport_,
576			&result.x, &result.y, &result.z
577			);
578		✗	return result;
579			}
580
581		✗	vec2 SimpleApplication::unproject_2d(const vec2& p) {
582		✗	double z = project(vec3(0.0, 0.0, 0.0)).z;
583		✗	vec3 result3d = unproject(vec3(p.x, p.y, z));
584		✗	return vec2(result3d.x, result3d.y);
585			}
586
587		✗	void SimpleApplication::draw_scene_end() {
588		✗	}
589
590		✗	void SimpleApplication::draw_scene() {
591		✗	}
592
593		✗	void SimpleApplication::draw_graphics() {
594		✗	if(!full_screen_effect_.is_null()) {
595			// Note: on retina, we use window resolution
596			// rather than frame buffer resolution
597			// (we do not need fullres for shadows)
598		✗	full_screen_effect_->pre_render(
599			get_frame_buffer_width(), get_frame_buffer_height()
600			);
601			}
602		✗	draw_scene_begin();
603		✗	draw_scene();
604		✗	draw_scene_end();
605		✗	if(!full_screen_effect_.is_null()) {
606		✗	full_screen_effect_->post_render();
607			}
608		✗	}
609
610		✗	void SimpleApplication::draw_viewer_properties_window() {
611		✗	if(!viewer_properties_visible_) {
612			return;
613			}
614		✗	if(ImGui::Begin(
615		✗	(icon_UTF8("camera")+" Viewer").c_str(),
616			&viewer_properties_visible_)
617			) {
618		✗	draw_viewer_properties();
619			}
620		✗	ImGui::End();
621			}
622
623		✗	void SimpleApplication::draw_viewer_properties() {
624		✗	if(phone_screen_ && get_height() >= get_width()) {
625		✗	if(props_pinned_) {
626		✗	if(ImGui::SimpleButton(
627		✗	icon_UTF8("dot-circle") + "##props_pin"
628			)) {
629		✗	props_pinned_ = !props_pinned_;
630			}
631			} else {
632		✗	if(ImGui::SimpleButton(
633		✗	icon_UTF8("thumbtack") + "##props_pin"
634			)) {
635		✗	props_pinned_ = !props_pinned_;
636			}
637			}
638		✗	ImGui::SameLine();
639			}
640
641		✗	if(ImGui::Button(
642		✗	(icon_UTF8("home")).c_str(),
643		✗	ImVec2(-1.0, 0.0)
644			)) {
645		✗	home();
646			}
647		✗	ImGui::Separator();
648		✗	ImGui::Checkbox("Animate", animate_ptr());
649		✗	if(three_D_) {
650		✗	ImGui::Checkbox("Lighting", &lighting_);
651		✗	if(lighting_) {
652		✗	ImGui::Checkbox("Edit light", &edit_light_);
653			}
654		✗	ImGui::Separator();
655		✗	ImGui::Checkbox("Clipping", &clipping_);
656		✗	if(clipping_) {
657		✗	ImGui::Combo(
658		✗	"##mode", (int*)&clip_mode_,
659			"std. GL\0cells\0stradd.\0slice\0\0"
660			);
661		✗	ImGui::Checkbox(
662			"edit clip", &edit_clip_
663			);
664		✗	ImGui::Checkbox(
665			"fixed clip", &fixed_clip_
666			);
667			}
668		✗	ImGui::Separator();
669			}
670		✗	ImGui::ColorEdit3WithPalette("Backgnd", background_color_.data());
671			// Full-screen effects are for now deactivated under Android:
672			// SSAO has stripes (and is damned slow)
673			// unsharp masking gives a black screen
674		✗	if(!phone_screen_) {
675		✗	if(three_D_) {
676		✗	if(ImGui::Combo(
677			"sfx",
678		✗	(int*)&effect_,
679			"none\0SSAO\0cartoon\0\0"
680			)) {
681		✗	switch(effect_) {
682		✗	case 0:
683			full_screen_effect_.reset();
684			break;
685		✗	case 1:
686		✗	full_screen_effect_ = new AmbientOcclusionImpl();
687			break;
688		✗	case 2:
689		✗	full_screen_effect_ = new UnsharpMaskingImpl();
690			break;
691			}
692			}
693			}
694			}
695		✗	}
696
697		✗	void SimpleApplication::draw_object_properties_window() {
698		✗	if(!object_properties_visible_) {
699			return;
700			}
701		✗	if(ImGui::Begin(
702		✗	(icon_UTF8("edit")+" Object").c_str(),
703			&object_properties_visible_)
704			) {
705		✗	draw_object_properties();
706			}
707		✗	ImGui::End();
708			}
709
710		✗	void SimpleApplication::draw_object_properties() {
711		✗	}
712
713		✗	void SimpleApplication::draw_command_window() {
714		✗	if(Command::current() == nullptr) {
715			return;
716			}
717		✗	if(!Command::current()->is_visible()) {
718			Command::reset_current();
719		✗	return;
720			}
721		✗	if(ImGui::Begin(
722			"Command",
723			Command::current()->is_visible_ptr()
724			)) {
725		✗	Command::current()->draw();
726			}
727		✗	ImGui::End();
728			}
729
730		✗	void SimpleApplication::draw_console() {
731		✗	console_->draw(&console_visible_);
732		✗	}
733
734		✗	void SimpleApplication::draw_menu_bar() {
735		✗	if(!menubar_visible_) {
736			return;
737			}
738
739		✗	if(phone_screen_) {
740		✗	if(ImGui::BeginMainMenuBar()) {
741
742		✗	float w = ImGui::GetContentRegionAvail().x;
743		✗	if(ImGui::BeginMenu(icon_UTF8("ellipsis-v"))) {
744		✗	draw_application_menus();
745		✗	draw_fileops_menu();
746		✗	draw_about();
747		✗	ImGui::EndMenu();
748			}
749		✗	w -= ImGui::GetContentRegionAvail().x; // gets btn size
750
751		✗	ImGui::Dummy(ImVec2(0.5f*w, 1.0));
752
753		✗	if(supported_read_file_extensions() != "") {
754		✗	if(ImGui::SimpleButton(
755		✗	icon_UTF8("folder-open") + "##menubar_open")
756			) {
757		✗	ImGui::OpenFileDialog(
758			"##load_dlg",
759		✗	supported_read_file_extensions().c_str(),
760		✗	filename_,
761			ImGuiExtFileDialogFlags_Load
762			);
763			}
764			}
765
766		✗	if(supported_write_file_extensions() != "") {
767		✗	if(ImGui::SimpleButton(
768		✗	icon_UTF8("save") + "##menubar_save")
769			) {
770		✗	ImGui::OpenFileDialog(
771			"##save_dlg",
772		✗	supported_write_file_extensions().c_str(),
773		✗	filename_,
774			ImGuiExtFileDialogFlags_Save
775			);
776			}
777			}
778
779		✗	draw_application_icons();
780
781		✗	if(use_text_editor_) {
782		✗	ImGui::Dummy(ImVec2(0.5f*w, 1.0));
783		✗	if(ImGui::SimpleButton(icon_UTF8("keyboard"))) {
784			#ifdef GEO_OS_ANDROID
785			AndroidUtils::show_soft_keyboard(
786			CmdLine::get_android_app()
787			);
788			#endif
789			}
790			}
791
792		✗	ImGui::Dummy(ImVec2(ImGui::GetContentRegionAvail().x - w, 1.0));
793
794		✗	if(ImGui::BeginMenu(icon_UTF8("bars"))) {
795		✗	draw_windows_menu();
796		✗	ImGui::EndMenu();
797			}
798
799		✗	ImGui::EndMainMenuBar();
800			}
801		✗	return;
802			}
803
804		✗	if(ImGui::BeginMainMenuBar()) {
805		✗	if(ImGui::BeginMenu("File")) {
806		✗	if(supported_read_file_extensions() != "") {
807		✗	draw_load_menu();
808			}
809			#ifndef GEO_OS_EMSCRIPTEN
810		✗	if(current_file_ != "") {
811		✗	if(ImGui::MenuItem(icon_UTF8("save") + " Save")) {
812		✗	if(save(current_file_)) {
813		✗	Logger::out("I/O") << "Saved "
814			<< current_file_ << std::endl;
815			} else {
816		✗	Logger::out("I/O") << "Could not save "
817			<< current_file_ << std::endl;
818			}
819			}
820			}
821			#endif
822		✗	if(supported_write_file_extensions() != "") {
823		✗	draw_save_menu();
824			}
825		✗	draw_fileops_menu();
826		✗	ImGui::Separator();
827		✗	if(
828			ImGui::MenuItem(
829		✗	icon_UTF8("camera") + " snapshot",
830			"[F11]", false, true
831			)
832			) {
833		✗	this->snapshot("",true);
834			}
835			#ifndef GEO_OS_EMSCRIPTEN
836		✗	ImGui::Separator();
837		✗	if(
838			ImGui::MenuItem(
839		✗	icon_UTF8("door-open") + " quit",
840			"[q]", false, true
841			)
842			) {
843		✗	this->stop();
844			}
845			#endif
846		✗	draw_about();
847			// Key shortcuts not really relevant on Android
848		✗	if(!phone_screen_) {
849		✗	draw_help();
850			}
851		✗	ImGui::EndMenu();
852			}
853		✗	if(ImGui::BeginMenu("Windows")) {
854		✗	draw_windows_menu();
855		✗	ImGui::EndMenu();
856			}
857		✗	draw_application_menus();
858
859		✗	ImGui::EndMainMenuBar();
860			}
861			}
862
863		✗	void SimpleApplication::draw_load_menu() {
864			#ifdef GEO_OS_EMSCRIPTEN
865			ImGui::Text("To load a file,");
866			ImGui::Text("use the \"Browse\"");
867			ImGui::Text("button on the top");
868			ImGui::Text("(or \"recent files\"");
869			ImGui::Text("below)");
870			ImGui::Separator();
871			if(ImGui::BeginMenu("Recent files...")) {
872			browse(path_);
873			ImGui::EndMenu();
874			}
875			#else
876		✗	if(ImGui::MenuItem(icon_UTF8("folder-open") + " Load...")) {
877		✗	ImGui::OpenFileDialog(
878			"##load_dlg",
879		✗	supported_read_file_extensions().c_str(),
880		✗	filename_,
881			ImGuiExtFileDialogFlags_Load
882			);
883			}
884			#endif
885		✗	}
886
887		✗	void SimpleApplication::draw_save_menu() {
888			#ifdef GEO_OS_EMSCRIPTEN
889			if(ImGui::BeginMenu(icon_UTF8("save") + " Save as...")) {
890			ImGui::MenuItem("Supported extensions:", nullptr, false, false);
891			std::vector<std::string> extensions;
892			String::split_string(
893			supported_write_file_extensions(), ';', extensions
894			);
895			for(index_t i=0; i<extensions.size(); ++i) {
896			ImGui::MenuItem(
897			" ." + extensions[i], nullptr, false, false
898			);
899			}
900			ImGui::Separator();
901			static char buff[geo_imgui_string_length];
902			if(current_file_ != "") {
903			strcpy(buff, current_file_.c_str());
904			} else if (extensions.size() != 0) {
905			strcpy(buff, ("out." + extensions[0]).c_str());
906			}
907
908			if(ImGui::InputText(
909			"##MenuFileName",buff,geo_imgui_string_length,
910			ImGuiInputTextFlags_EnterReturnsTrue)
911			) {
912			current_file_ = buff;
913			if(String::string_starts_with(current_file_, "/")) {
914			current_file_ = current_file_.substr(
915			1,current_file_.length()-1
916			);
917			}
918			if(save(current_file_)) {
919			std::string command =
920			"saveFileFromMemoryFSToDisk(\'" +
921			current_file_ +
922			"\');" ;
923			emscripten_run_script(command.c_str());
924			}
925			}
926			ImGui::EndMenu();
927			}
928			#else
929		✗	if(ImGui::MenuItem(icon_UTF8("save") + " Save as...")) {
930		✗	ImGui::OpenFileDialog(
931			"##save_dlg",
932		✗	supported_write_file_extensions().c_str(),
933		✗	filename_,
934			ImGuiExtFileDialogFlags_Save
935			);
936			}
937			#endif
938		✗	}
939
940		✗	void SimpleApplication::draw_fileops_menu() {
941		✗	}
942
943		✗	void SimpleApplication::draw_about() {
944		✗	ImGui::Separator();
945		✗	if(ImGui::BeginMenu(icon_UTF8("info") + " About...")) {
946		✗	ImGui::Text("%s : a GEOGRAM application", name().c_str());
947		✗	float sz = float(280.0 * std::min(scaling(), 2.0));
948		✗	ImGui::Image(
949		✗	static_cast<ImTextureID>(geogram_logo_texture_),
950		✗	ImVec2(sz, sz)
951			);
952		✗	ImGui::Text("\n");
953		✗	ImGui::Separator();
954		✗	ImGui::Text("\n");
955		✗	ImGui::Text("GEOGRAM website: ");
956		✗	ImGui::Text("https://github.com/BrunoLevy/geogram");
957
958		✗	ImGui::Text("\n");
959		✗	ImGui::Separator();
960		✗	ImGui::Text(
961			"%s",
962			(
963		✗	"GEOGRAM version:" +
964		✗	Environment::instance()->get_value("version")
965			).c_str()
966			);
967		✗	ImGui::EndMenu();
968			}
969		✗	}
970
971		✗	void SimpleApplication::draw_help() {
972		✗	if(ImGui::BeginMenu(icon_UTF8("circle-question") + " help")) {
973		✗	ImGui::Text("Key shortcuts");
974		✗	ImGui::Separator();
975			std::vector<std::string> helps;
976		✗	for(auto it: key_funcs_help_) {
977		✗	helps.push_back(it.first + " : " + it.second);
978		✗	}
979		✗	std::sort(helps.begin(), helps.end());
980		✗	for(const std::string& s: helps) {
981		✗	ImGui::Text("%s",s.c_str());
982			}
983		✗	ImGui::EndMenu();
984		✗	}
985		✗	}
986
987		✗	void SimpleApplication::draw_windows_menu() {
988		✗	if(phone_screen_) {
989			ImGui::MenuItem(
990		✗	" " + icon_UTF8("window-restore") + " Windows",
991			nullptr,
992			false, false
993			);
994			}
995		✗	if(use_text_editor_) {
996		✗	ImGui::MenuItem(
997		✗	icon_UTF8("code") + " text editor",
998		✗	phone_screen_ ? nullptr : "[F6]",
999			&text_editor_visible_
1000			);
1001			}
1002		✗	ImGui::MenuItem(
1003		✗	icon_UTF8("eye") + " viewer properties",
1004		✗	phone_screen_ ? nullptr : "[F7]",
1005			&viewer_properties_visible_
1006			);
1007		✗	ImGui::MenuItem(
1008		✗	icon_UTF8("edit") + " object properties",
1009		✗	phone_screen_ ? nullptr : "[F8]",
1010			&object_properties_visible_
1011			);
1012		✗	ImGui::MenuItem(
1013		✗	icon_UTF8("terminal") + " console",
1014		✗	phone_screen_ ? nullptr : "[F9]",
1015			&console_visible_
1016			);
1017		✗	if(!phone_screen_) {
1018		✗	ImGui::MenuItem(
1019		✗	icon_UTF8("bars") + " menubar", "[F12]", &menubar_visible_
1020			);
1021			}
1022		✗	ImGui::Separator();
1023
1024			{
1025			bool needs_to_close = false;
1026		✗	if(phone_screen_) {
1027			ImGui::MenuItem(
1028		✗	" " + icon_UTF8("font") + " Font size",
1029			nullptr,
1030			false, false
1031			);
1032			} else {
1033			needs_to_close =
1034		✗	ImGui::BeginMenu(icon_UTF8("font") + " Font size");
1035			}
1036
1037		✗	if(phone_screen_ || needs_to_close) {
1038			static index_t font_sizes[] = {10, 12, 14, 16, 18, 22};
1039		✗	for(index_t i=0; i<sizeof(font_sizes)/sizeof(int); ++i) {
1040		✗	bool selected = (get_font_size() == font_sizes[i]);
1041		✗	if(ImGui::MenuItem(
1042		✗	String::to_string(font_sizes[i]),
1043			nullptr,
1044			&selected
1045			)) {
1046		✗	set_font_size(font_sizes[i]);
1047			}
1048			}
1049		✗	if(needs_to_close) {
1050		✗	ImGui::EndMenu();
1051			}
1052			}
1053			}
1054		✗	if(phone_screen_) {
1055		✗	ImGui::Separator();
1056			}
1057			{
1058			bool needs_to_close = false;
1059		✗	if(phone_screen_) {
1060			ImGui::MenuItem(
1061		✗	" " + icon_UTF8("palette") + " Style",
1062			nullptr,
1063			false, false
1064			);
1065			} else {
1066		✗	needs_to_close = ImGui::BeginMenu(icon_UTF8("cog") + " Style");
1067			}
1068		✗	if(phone_screen_ || needs_to_close) {
1069			std::vector<std::string> styles;
1070		✗	String::split_string(get_styles(), ';', styles);
1071		✗	for(index_t i=0; i<styles.size(); ++i) {
1072		✗	bool selected = (get_style() == styles[i]);
1073		✗	if(ImGui::MenuItem(styles[i], nullptr, &selected)) {
1074		✗	set_style(styles[i]);
1075			}
1076			}
1077		✗	if(needs_to_close) {
1078		✗	ImGui::EndMenu();
1079			}
1080		✗	}
1081			}
1082		✗	ImGui::Separator();
1083		✗	if(ImGui::MenuItem(icon_UTF8("undo") + " Restore layout")) {
1084		✗	set_default_layout();
1085			}
1086		✗	if(CmdLine::get_arg_bool("gui:expert")) {
1087		✗	if(ImGui::MenuItem("Test android vertical layout")) {
1088		✗	set_gui_state(default_layout_android_vertical());
1089			}
1090		✗	if(ImGui::MenuItem("Test android horizontal layout")) {
1091		✗	set_gui_state(default_layout_android_horizontal());
1092			}
1093		✗	if(ImGui::MenuItem("Export gui state to C++")) {
1094			std::string filename =
1095		✗	FileSystem::get_current_working_directory() +
1096			"/gui_state.h";
1097		✗	Logger::out("GUI")
1098			<< "Exporting current GUI state to C++ file: "
1099			<< filename
1100			<< std::endl;
1101		✗	std::string state = get_gui_state();
1102		✗	std::ofstream out("gui_state.h");
1103			out << "// Serialized ImGui windows docking configuration"
1104			<< std::endl;
1105			out << "// generated using <geogram_program> gui:expert=true"
1106			<< std::endl;
1107			out << "// then Windows->Export gui state to C++"
1108			<< std::endl;
1109		✗	out << "const unsigned char gui_state[] = {";
1110		✗	for(size_t i=0; i<state.length(); ++i) {
1111		✗	if((i%10) == 0) {
1112			out << std::endl;
1113			}
1114		✗	int x = int((unsigned char)state[i]);
1115		✗	out << x << ",";
1116			}
1117			out << " 0 };" << std::endl;
1118		✗	}
1119			}
1120		✗	}
1121
1122		✗	void SimpleApplication::set_default_layout() {
1123		✗	set_gui_state(default_layout());
1124		✗	}
1125
1126		✗	const char* SimpleApplication::default_layout_android_vertical() const {
1127		✗	return (const char*)gui_state_v;
1128			}
1129
1130		✗	const char* SimpleApplication::default_layout_android_horizontal() const {
1131		✗	return (const char*)gui_state_h;
1132			}
1133
1134		✗	void SimpleApplication::command_line_arg_changed(
1135			const std::string& argname
1136			) {
1137			geo_argused(argname);
1138		✗	}
1139
1140		✗	const char* SimpleApplication::default_layout() const {
1141			const char* result = nullptr;
1142		✗	if(phone_screen_) {
1143		✗	if(get_height() >= get_width()) {
1144		✗	result = default_layout_android_vertical();
1145			} else {
1146		✗	result = default_layout_android_horizontal();
1147			}
1148			} else {
1149			result = (const char*)gui_state;
1150			}
1151		✗	return result;
1152			}
1153
1154
1155		✗	void SimpleApplication::resize(
1156			index_t w, index_t h, index_t fb_w, index_t fb_h
1157			) {
1158		✗	Application::resize(w,h,fb_w,fb_h);
1159		✗	if(phone_screen_) {
1160		✗	set_default_layout();
1161			}
1162		✗	}
1163
1164		✗	void SimpleApplication::draw_application_menus() {
1165		✗	}
1166
1167		✗	void SimpleApplication::draw_application_icons() {
1168		✗	if(phone_screen_) {
1169		✗	if(ImGui::SimpleButton(icon_UTF8("sliders-h"))) {
1170		✗	if(object_properties_visible_) {
1171		✗	object_properties_visible_ = false;
1172		✗	viewer_properties_visible_ = false;
1173			} else {
1174		✗	object_properties_visible_ = true;
1175		✗	viewer_properties_visible_ = true;
1176			}
1177			}
1178			}
1179		✗	}
1180
1181		✗	void SimpleApplication::draw_command_line_editor() {
1182		✗	if(!command_line_editor_visible_) {
1183		✗	return;
1184			}
1185		✗	ImGui::SetNextWindowSize(ImVec2(600,400),ImGuiCond_FirstUseEver);
1186		✗	ImGui::Begin("Parameters...",&command_line_editor_visible_);
1187			std::vector<std::string> groups;
1188		✗	CmdLine::get_arg_groups(groups);
1189		✗	ImGui::BeginTabBar("##tabs");
1190		✗	for(auto group: groups) {
1191		✗	if(ImGui::BeginTabItem(group.c_str())) {
1192			std::vector<std::string> args;
1193		✗	CmdLine::get_arg_names_in_group(group, args);
1194		✗	for(auto full_arg_name: args) {
1195			std::string arg_name = full_arg_name;
1196		✗	std::string help = CmdLine::get_arg_desc(full_arg_name);
1197		✗	if(String::string_starts_with(arg_name, group + ":")) {
1198		✗	arg_name = arg_name.substr(group.length()+1);
1199			}
1200		✗	CmdLine::ArgType type = CmdLine::get_arg_type(full_arg_name);
1201		✗	switch(type) {
1202			case CmdLine::ARG_UNDEFINED: {
1203			} break;
1204			case CmdLine::ARG_INT: {
1205		✗	ImGui::Text("%s",arg_name.c_str());
1206		✗	ImGui::SameLine();
1207		✗	ImGui::SetNextItemWidth(-1.0f);
1208		✗	int val = CmdLine::get_arg_int(full_arg_name);
1209		✗	if(ImGui::InputInt(
1210		✗	("##" + arg_name + "##" + group).c_str(), &val
1211			)) {
1212		✗	CmdLine::set_arg(full_arg_name, val);
1213			}
1214			ImGui::Tooltip(help);
1215		✗	} break;
1216			case CmdLine::ARG_DOUBLE: {
1217		✗	ImGui::Text("%s",arg_name.c_str());
1218		✗	ImGui::SameLine();
1219		✗	ImGui::SetNextItemWidth(-1.0f);
1220		✗	double val = CmdLine::get_arg_double(full_arg_name);
1221		✗	if(ImGui::InputDouble(
1222		✗	("##" + arg_name + "##" + group).c_str(), &val
1223			)) {
1224		✗	CmdLine::set_arg(full_arg_name, val);
1225			}
1226			ImGui::Tooltip(help);
1227		✗	} break;
1228		✗	case CmdLine::ARG_STRING: {
1229		✗	std::string val = CmdLine::get_arg(full_arg_name);
1230		✗	ImGui::Text("%s",arg_name.c_str());
1231		✗	ImGui::SameLine();
1232		✗	ImGui::SetNextItemWidth(-1.0f);
1233			ImGui::Tooltip(help);
1234		✗	if(
1235		✗	ImGui::InputText(("##" + full_arg_name).c_str(),&val)
1236			) {
1237		✗	CmdLine::set_arg(full_arg_name, val);
1238			}
1239			ImGui::Tooltip(help);
1240		✗	} break;
1241		✗	case CmdLine::ARG_BOOL: {
1242		✗	bool val = CmdLine::get_arg_bool(full_arg_name);
1243		✗	if(ImGui::Checkbox(
1244		✗	(arg_name + "##" + group).c_str(), &val
1245			)) {
1246		✗	CmdLine::set_arg(full_arg_name, val);
1247			}
1248			ImGui::Tooltip(help);
1249		✗	} break;
1250			case CmdLine::ARG_PERCENT: {
1251		✗	ImGui::Text("%s",arg_name.c_str());
1252		✗	ImGui::SameLine();
1253		✗	ImGui::SetNextItemWidth(-1.0f);
1254		✗	double val = CmdLine::get_arg_percent(
1255			full_arg_name,100.0
1256		✗	);
1257		✗	if(ImGui::InputDouble(
1258		✗	("##" + arg_name + "##" + group).c_str(), &val
1259			)) {
1260		✗	CmdLine::set_arg(full_arg_name, val);
1261			}
1262		✗	ImGui::Tooltip(help + " (percent)");
1263		✗	} break;
1264			}
1265			}
1266		✗	ImGui::EndTabItem();
1267		✗	}
1268			}
1269		✗	ImGui::EndTabBar();
1270		✗	ImGui::End();
1271		✗	}
1272
1273		✗	void SimpleApplication::post_draw() {
1274		✗	if(locked_ || Command::queued() == nullptr) {
1275		✗	return;
1276			}
1277		✗	locked_ = true;
1278		✗	Logger::out("Command") << Command::queued()->name() << " start..."
1279			<< std::endl;
1280		✗	instance()->draw(); // so that we can see the logger message
1281		✗	Stopwatch W("Command");
1282		✗	Command::flush_queue();
1283		✗	locked_ = false;
1284		✗	}
1285
1286		✗	void SimpleApplication::mouse_button_callback(
1287			int button, int action, int mods, int source
1288			) {
1289			geo_argused(mods);
1290
1291			// Hide object and viewer properties if in phone
1292			// mode and user clicked elsewhere.
1293		✗	if(phone_screen_ &&
1294		✗	!ImGui::GetIO().WantCaptureMouse &&
1295			get_height() >= get_width()
1296			) {
1297		✗	if(!props_pinned_) {
1298		✗	object_properties_visible_ = false;
1299		✗	viewer_properties_visible_ = false;
1300			}
1301			}
1302
1303
1304			// Swap "buttons" if using fingers (it is more
1305			// natural to do the rotation with one finger,
1306			// zoom with two fingers and then translation)
1307			// Same thing if editing light and event source
1308			// is stylus.
1309		✗	if(
1310		✗	source == EVENT_SOURCE_FINGER ||
1311		✗	(lighting_ && source == EVENT_SOURCE_STYLUS && edit_light_)
1312			) {
1313		✗	if(button == 0) {
1314			button = 1;
1315		✗	} else if(button == 1) {
1316			button = 0;
1317			}
1318			}
1319
1320		✗	if(action == EVENT_ACTION_DOWN) {
1321		✗	mouse_down_xy_ = mouse_xy_;
1322		✗	if(button == 1) {
1323		✗	if(three_D_) {
1324		✗	mouse_op_ = MOUSE_ROTATE;
1325			} else {
1326		✗	mouse_op_ = MOUSE_TRANSLATE;
1327			}
1328		✗	} else if(button == 0) {
1329		✗	mouse_op_ = MOUSE_TRANSLATE;
1330		✗	} else if(button == 2) {
1331		✗	mouse_op_ = MOUSE_ZOOM;
1332		✗	zoom_down_ = zoom_;
1333			}
1334		✗	if(clipping_ && edit_clip_) {
1335		✗	mouse_target_ = MOUSE_CLIP;
1336		✗	} else if(lighting_ && edit_light_) {
1337		✗	mouse_target_ = MOUSE_LIGHT;
1338			} else {
1339		✗	mouse_target_ = MOUSE_OBJECT;
1340			}
1341		✗	if(three_D_ && mouse_op_ == MOUSE_ROTATE) {
1342		✗	switch(mouse_target_) {
1343			case MOUSE_NOTARGET:
1344			break;
1345		✗	case MOUSE_OBJECT:
1346		✗	object_rotation_.grab(mouse_xy_);
1347		✗	if(fixed_clip_) {
1348		✗	clip_rotation_.grab(mouse_xy_);
1349			}
1350			break;
1351		✗	case MOUSE_LIGHT:
1352		✗	light_rotation_.grab(mouse_xy_);
1353		✗	break;
1354		✗	case MOUSE_CLIP:
1355		✗	clip_rotation_.grab(mouse_xy_);
1356		✗	break;
1357			}
1358			}
1359		✗	} else if(action == EVENT_ACTION_UP) {
1360		✗	if(three_D_ && mouse_op_ == MOUSE_ROTATE) {
1361		✗	switch(mouse_target_) {
1362			case MOUSE_NOTARGET:
1363			break;
1364		✗	case MOUSE_OBJECT:
1365		✗	object_rotation_.release(mouse_xy_);
1366		✗	if(fixed_clip_) {
1367		✗	clip_rotation_.release(mouse_xy_);
1368			}
1369			break;
1370		✗	case MOUSE_LIGHT:
1371		✗	light_rotation_.release(mouse_xy_);
1372		✗	break;
1373		✗	case MOUSE_CLIP:
1374		✗	clip_rotation_.release(mouse_xy_);
1375		✗	break;
1376			}
1377			}
1378		✗	mouse_op_ = MOUSE_NOOP;
1379		✗	mouse_target_ = MOUSE_NOTARGET;
1380			}
1381		✗	}
1382
1383		✗	void SimpleApplication::cursor_pos_callback(
1384			double x, double y, int source
1385			) {
1386			geo_argused(source);
1387			mouse_xy_ = vec2(
1388		✗	double(x) / double(get_width()),
1389		✗	double(y) / double(get_height())
1390			);
1391			mouse_xy_ *= 2.0;
1392			mouse_xy_ -= vec2(1.0, 1.0);
1393		✗	if(three_D_ && mouse_op_ == MOUSE_ROTATE) {
1394		✗	switch(mouse_target_) {
1395			case MOUSE_NOTARGET:
1396			break;
1397		✗	case MOUSE_OBJECT:
1398		✗	object_rotation_.drag(mouse_xy_);
1399		✗	if(fixed_clip_) {
1400		✗	clip_rotation_.drag(mouse_xy_);
1401			}
1402			break;
1403		✗	case MOUSE_LIGHT:
1404		✗	light_rotation_.drag(mouse_xy_);
1405		✗	break;
1406		✗	case MOUSE_CLIP:
1407		✗	clip_rotation_.drag(mouse_xy_);
1408		✗	break;
1409			}
1410		✗	} else if(mouse_op_ == MOUSE_ZOOM && mouse_target_ == MOUSE_OBJECT) {
1411		✗	double R = mouse_xy_.y - mouse_down_xy_.y;
1412		✗	double fact = (1.0 + R);
1413			fact = std::min(fact, 2.0);
1414			fact = std::max(fact, 0.1);
1415		✗	zoom_ = zoom_down_ * fact;
1416		✗	} else if( mouse_op_ == MOUSE_TRANSLATE) {
1417		✗	double dx = mouse_xy_.x - mouse_down_xy_.x;
1418		✗	double dy = mouse_xy_.y - mouse_down_xy_.y;
1419		✗	if(mouse_target_ == MOUSE_OBJECT) {
1420		✗	object_translation_.x += 2.0 * dx / zoom_;
1421		✗	object_translation_.y -= 2.0 * dy / zoom_;
1422		✗	if(fixed_clip_) {
1423		✗	clip_translation_.x += 2.0 * dx / zoom_;
1424		✗	clip_translation_.y -= 2.0 * dy / zoom_;
1425			}
1426		✗	} else if(mouse_target_ == MOUSE_CLIP) {
1427		✗	clip_translation_.x += 2.0 * dx / zoom_;
1428		✗	clip_translation_.y -= 2.0 * dy / zoom_;
1429			}
1430		✗	mouse_down_xy_ = mouse_xy_;
1431			}
1432		✗	}
1433
1434		✗	void SimpleApplication::scroll_callback(double xoffset, double yoffset) {
1435			geo_argused(xoffset);
1436		✗	double dy = -40.0*double(yoffset) / double(get_height());
1437		✗	zoom_ *= (1.0 + dy);
1438		✗	}
1439
1440		✗	bool SimpleApplication::save(const std::string& filename) {
1441		✗	Logger::warn("GLUP")
1442			<< "Could not save " << filename << std::endl;
1443		✗	Logger::warn("GLUP")
1444			<< "SimpleApplication::save() needs to be overloaded"
1445			<< std::endl;
1446		✗	return false;
1447			}
1448
1449		✗	bool SimpleApplication::load(const std::string& filename) {
1450		✗	Logger::warn("GLUP")
1451			<< "Could not load " << filename << std::endl;
1452		✗	Logger::warn("GLUP")
1453			<< "SimpleApplication::load() needs to be overloaded"
1454			<< std::endl;
1455		✗	return false;
1456			}
1457
1458		✗	bool SimpleApplication::can_load(const std::string& filename) {
1459		✗	std::string extensions_str = supported_read_file_extensions();
1460		✗	if(extensions_str == "") {
1461			return false;
1462			}
1463		✗	if(extensions_str == "*") {
1464			return true;
1465			}
1466		✗	std::string extension = FileSystem::extension(filename);
1467			std::vector<std::string> extensions;
1468		✗	String::split_string(extensions_str, ';', extensions);
1469		✗	for(index_t i=0; i<extensions.size(); ++i) {
1470		✗	if(extensions[i] == extension) {
1471			return true;
1472			}
1473			}
1474			return false;
1475		✗	}
1476
1477		✗	std::string SimpleApplication::supported_read_file_extensions() {
1478		✗	return "";
1479			}
1480
1481		✗	std::string SimpleApplication::supported_write_file_extensions() {
1482		✗	return "";
1483			}
1484
1485		✗	void SimpleApplication::GL_initialize() {
1486		✗	Application::GL_initialize();
1487		✗	glGenTextures(1, &geogram_logo_texture_);
1488		✗	glActiveTexture(GL_TEXTURE0 + GLUP_TEXTURE_2D_UNIT);
1489		✗	glBindTexture(GL_TEXTURE_2D, geogram_logo_texture_);
1490		✗	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
1491		✗	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1492		✗	glTexImage2Dxpm(geogram_logo_256_xpm);
1493		✗	glEnable(GL_POLYGON_OFFSET_FILL);
1494		✗	glPolygonOffset (1.,1.);
1495
1496		✗	init_colormaps();
1497		✗	std::string keys = CmdLine::get_arg("gfx:keypress");
1498		✗	for(index_t i=0; i<index_t(keys.length()); ++i) {
1499		✗	char_callback((unsigned int)(keys[i]));
1500			}
1501		✗	}
1502
1503		✗	void SimpleApplication::GL_terminate() {
1504		✗	for(index_t i=0; i<colormaps_.size(); ++i) {
1505		✗	if(colormaps_[i].texture != 0) {
1506		✗	glDeleteTextures(1, &colormaps_[i].texture);
1507		✗	colormaps_[i].texture = 0;
1508			}
1509			}
1510		✗	colormaps_.resize(0);
1511		✗	if(geogram_logo_texture_ != 0) {
1512		✗	glDeleteTextures(1, &geogram_logo_texture_);
1513		✗	geogram_logo_texture_ = 0;
1514			}
1515		✗	Application::GL_terminate();
1516		✗	}
1517
1518
1519		✗	void SimpleApplication::browse(const std::string& path, bool subdirs) {
1520			std::vector<std::string> files;
1521		✗	FileSystem::get_directory_entries(path,files);
1522
1523		✗	for(index_t i=0; i<files.size(); ++i) {
1524		✗	if(FileSystem::is_directory(files[i]) && subdirs) {
1525		✗	if(ImGui::BeginMenu(path_to_label(path_,files[i]))) {
1526		✗	browse(files[i]);
1527		✗	ImGui::EndMenu();
1528			}
1529			} else {
1530		✗	if(can_load(files[i])) {
1531		✗	if(ImGui::MenuItem(path_to_label(path_,files[i]))) {
1532		✗	load(files[i]);
1533			}
1534			}
1535			}
1536			}
1537		✗	}
1538
1539		✗	void SimpleApplication::geogram_initialize(int argc, char** argv) {
1540		✗	GEO::Application::geogram_initialize(argc, argv);
1541		✗	if(filenames().size() == 1 &&
1542		✗	FileSystem::is_directory(filenames()[0])
1543			) {
1544		✗	path_ = filenames()[0];
1545		✗	} else if(filenames().size() > 0) {
1546		✗	for(index_t i=0; i<filenames().size(); ++i) {
1547		✗	load(filenames()[i]);
1548			}
1549		✗	if(filenames().size() > 0) {
1550		✗	path_ = FileSystem::dir_name(filenames()[filenames().size()-1]);
1551			}
1552			} else {
1553		✗	path_ = FileSystem::documents_directory();
1554			}
1555		✗	Logger::instance()->register_client(console_);
1556		✗	Progress::set_client(status_bar_);
1557		✗	set_default_layout();
1558		✗	if(phone_screen_) {
1559		✗	object_properties_visible_ = false;
1560		✗	viewer_properties_visible_ = false;
1561			}
1562		✗	}
1563
1564		✗	void SimpleApplication::init_colormap(
1565			const std::string& name, const char** xpm_data
1566			) {
1567		✗	colormaps_.push_back(ColormapInfo());
1568		✗	colormaps_.rbegin()->name = name;
1569		✗	glGenTextures(1, &colormaps_.rbegin()->texture);
1570		✗	glBindTexture(GL_TEXTURE_2D, colormaps_.rbegin()->texture);
1571		✗	glTexImage2Dxpm(xpm_data);
1572		✗	glGenerateMipmap(GL_TEXTURE_2D);
1573		✗	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1574		✗	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1575		✗	glTexParameteri(
1576			GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR
1577			);
1578		✗	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1579		✗	glBindTexture(GL_TEXTURE_2D, 0);
1580		✗	}
1581
1582		✗	void SimpleApplication::init_colormaps() {
1583		✗	init_colormap("french", french_xpm);
1584		✗	init_colormap("black_white", black_white_xpm);
1585		✗	init_colormap("viridis", viridis_xpm);
1586		✗	init_colormap("rainbow", rainbow_xpm);
1587		✗	init_colormap("cei_60757", cei_60757_xpm);
1588		✗	init_colormap("inferno", inferno_xpm);
1589		✗	init_colormap("magma", magma_xpm);
1590		✗	init_colormap("parula", parula_xpm);
1591		✗	init_colormap("plasma", plasma_xpm);
1592		✗	init_colormap("blue_red", blue_red_xpm);
1593		✗	}
1594
1595		✗	bool SimpleApplication::exec_command(const char* command) {
1596			#ifdef GEOGRAM_WITH_LUA
1597		✗	if(luaL_dostring(lua_state_,command)) {
1598		✗	adjust_lua_glup_state(lua_state_);
1599		✗	const char* msg = lua_tostring(lua_state_,-1);
1600			const char* msg2 = strchr(msg,']');
1601		✗	if(msg2 != nullptr) {
1602		✗	msg = msg2+2;
1603			}
1604		✗	Logger::err("LUA") << "line " << msg << std::endl;
1605		✗	lua_error_occured_ = true;
1606			} else {
1607		✗	lua_error_occured_ = false;
1608			}
1609		✗	return !lua_error_occured_;
1610			#else
1611			geo_argused(command);
1612			Logger::err("LUA") << "Compiled without LUA support"
1613			<< std::endl;
1614			return false;
1615			#endif
1616			}
1617
1618		✗	void SimpleApplication::ImGui_initialize() {
1619		✗	if(phone_screen_ && !ImGui_firsttime_init_) {
1620		✗	console_visible_ = false;
1621			// Tooltips do not play well with touch screens.
1622		✗	ImGui::DisableTooltips();
1623			#ifndef GEO_OS_ANDROID
1624		✗	set_default_layout();
1625			#endif
1626			}
1627		✗	CmdLine::set_arg("gui:style","Light");
1628		✗	Application::ImGui_initialize();
1629		✗	}
1630
1631		✗	void SimpleApplication::drop_callback(int nb, const char** f) {
1632		✗	for(int i=0; i<nb; ++i) {
1633		✗	load(f[i]);
1634			}
1635		✗	}
1636
1637		✗	void SimpleApplication::replay_latest_command() {
1638		✗	if(instance()->locked_ || Command::latest() == nullptr) {
1639		✗	return;
1640			}
1641		✗	instance()->locked_ = true;
1642		✗	Logger::out("Command") << Command::latest()->name() << " start..."
1643			<< std::endl;
1644		✗	instance()->draw(); // so that we can see the logger message
1645		✗	Stopwatch W("Command");
1646		✗	Command::replay_latest();
1647		✗	instance()->locked_ = false;
1648		✗	}
1649
1650
1651		✗	void SimpleApplication::snapshot(
1652			Image* image,
1653			index_t x0, index_t y0, index_t width, index_t height,
1654			bool redraw
1655			) {
1656			#ifdef GEO_OS_EMSCRIPTEN
1657			// GL_PACK_ROW_LENGTH undefined under emscripten
1658			// (to be fixed, deactivated for now)
1659			geo_argused(image);
1660			geo_argused(x0);
1661			geo_argused(y0);
1662			geo_argused(width);
1663			geo_argused(height);
1664			geo_argused(redraw);
1665			#else
1666		✗	if(redraw) {
1667		✗	one_frame(false); // false: do not draw GUI
1668			}
1669
1670			// hidpi_scaling to take "logical pixels" into account on MacOS
1671		✗	index_t window_width = index_t(double(get_width()) * pixel_ratio());
1672		✗	index_t window_height = index_t(double(get_height()) * pixel_ratio());
1673
1674		✗	if(width == 0) {
1675			width = window_width;
1676			}
1677
1678		✗	if(height == 0) {
1679			height = window_height;
1680			}
1681
1682		✗	if(image->base_mem() == nullptr) {
1683		✗	image->initialize(Image::RGB, Image::BYTE, width, height);
1684			}
1685
1686		✗	width = std::min(image->width(), window_width-x0);
1687		✗	height = std::min(image->height(), window_height-y0);
1688
1689		✗	glPixelStorei(GL_PACK_ALIGNMENT, 1);
1690		✗	glPixelStorei(GL_PACK_ROW_LENGTH, int(image->width()));
1691
1692		✗	if(image->component_encoding() != Image::BYTE) {
1693		✗	Logger::err("RenderingContext")
1694			<< "snapshot(): wrong image component encoding"
1695			<< std::endl;
1696		✗	return;
1697			}
1698
1699		✗	switch (image->color_encoding()) {
1700		✗	case Image::RGB:
1701		✗	glReadPixels(
1702			GLint(x0), GLint(y0), GLsizei(width), GLsizei(height),
1703			GL_RGB, GL_UNSIGNED_BYTE, image->base_mem()
1704			);
1705		✗	break;
1706
1707		✗	case Image::BGR:
1708		✗	glReadPixels(
1709			GLint(x0), GLint(y0), GLsizei(width), GLsizei(height),
1710			GL_BGR, GL_UNSIGNED_BYTE, image->base_mem()
1711			);
1712		✗	break;
1713
1714		✗	case Image::RGBA:
1715		✗	glReadPixels(
1716			GLint(x0), GLint(y0), GLsizei(width), GLsizei(height),
1717			GL_RGBA, GL_UNSIGNED_BYTE, image->base_mem()
1718			);
1719		✗	break;
1720
1721			case Image::GRAY:
1722			case Image::INDEXED:
1723			case Image::YUV:
1724		✗	Logger::err("RenderingContext")
1725			<< "snapshot(): wrong image color encoding"
1726			<< std::endl;
1727		✗	break;
1728			}
1729
1730			// Restore default
1731		✗	glPixelStorei(GL_PACK_ROW_LENGTH, 0);
1732
1733		✗	if(redraw) {
1734		✗	one_frame(true); // redraw with GUI
1735			}
1736			#endif
1737			}
1738
1739		✗	void SimpleApplication::snapshot(std::string filename, bool verbose) {
1740		✗	if(filename == "") {
1741		✗	filename = CmdLine::get_arg("gui:snapshot_filename");
1742			}
1743		✗	Image_var image = new Image;
1744		✗	snapshot(image);
1745		✗	bool ok = ImageLibrary::instance()->save_image(filename,image);
1746		✗	if(verbose && ok) {
1747		✗	Logger::out("Snapshot") << "Saved " << filename << std::endl;
1748			}
1749		✗	}
1750
1751		✗	void SimpleApplication::declare_args() {
1752		✗	Application::declare_args();
1753		✗	CmdLine::declare_arg(
1754		✗	"gui:snapshot_filename", "snapshot.png",
1755		✗	"default snapshot image filename"
1756			);
1757		✗	}
1758
1759			}
1760