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3 andreas 1 
/*
258 andreas 2 
 * Copyright (C) 2020 to 2023 by Andreas Theofilu <andreas@theosys.at>
3 andreas 3 
 *
4 
 * This program is free software; you can redistribute it and/or modify
5 
 * it under the terms of the GNU General Public License as published by
6 
 * the Free Software Foundation; either version 3 of the License, or
7 
 * (at your option) any later version.
8 
 *
9 
 * This program is distributed in the hope that it will be useful,
10 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 
 * GNU General Public License for more details.
13 
 *
14 
 * You should have received a copy of the GNU General Public License
15 
 * along with this program; if not, write to the Free Software Foundation,
16 
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
17 
 */
18 
 
5 andreas 19 
#include <exception>
20 
 
54 andreas 21 
#include <include/core/SkFont.h>
22 
#include <include/core/SkFontMetrics.h>
23 
#include <include/core/SkTextBlob.h>
24 
 
6 andreas 25 
#include "tresources.h"
76 andreas 26 
#include "texpat++.h"
26 andreas 27 
#include "tpagemanager.h"
3 andreas 28 
#include "tsubpage.h"
65 andreas 29 
#include "tdrawimage.h"
3 andreas 30 
#include "tconfig.h"
31 
#include "terror.h"
343 andreas 32 
#if TESTMODE == 1
33 
#include "testmode.h"
34 
#endif
3 andreas 35 
 
186 andreas 36 
#if __cplusplus < 201402L
37 
#   error "This module requires at least C++14 standard!"
38 
#else
39 
#   if __cplusplus < 201703L
40 
#       include <experimental/filesystem>
41 
namespace fs = std::experimental::filesystem;
42 
#       warning "Support for C++14 and experimental filesystem will be removed in a future version!"
43 
#   else
44 
#       include <filesystem>
45 
#       ifdef __ANDROID__
46 
namespace fs = std::__fs::filesystem;
47 
#       else
48 
namespace fs = std::filesystem;
49 
#       endif
50 
#   endif
51 
#endif
52 
 
3 andreas 53 
using std::string;
6 andreas 54 
using std::vector;
3 andreas 55 
using namespace Button;
76 andreas 56 
using namespace Expat;
3 andreas 57 
 
26 andreas 58 
extern TPageManager *gPageManager;
59 
 
3 andreas 60 
TSubPage::TSubPage(const string& name)
61 
    : mFile(name)
62 
{
63 
    DECL_TRACER("TSubPage::TSubPage(const string& path)");
14 andreas 64 
    TError::clear();
3 andreas 65 
 
197 andreas 66 
    string projectPath = ((gPageManager && gPageManager->isSetupActive()) ? TConfig::getSystemProjectPath() : TConfig::getProjectPath());
186 andreas 67 
 
68 
    if (!fs::exists(projectPath + "/prj.xma"))
197 andreas 69 
    {
70 
        MSG_ERROR("Directory " << projectPath << " doesn't exist!");
71 
        return;
72 
    }
186 andreas 73 
 
74 
    string path = makeFileName(projectPath, name);
75 
 
3 andreas 76 
    if (isValidFile())
77 
        mFName = getFileName();
78 
    else
79 
    {
186 andreas 80 
        MSG_ERROR("Either the path \"" << projectPath << "\" or the file name \"" << name << "\" is invalid!");
3 andreas 81 
        TError::setError();
82 
        return;
83 
    }
84 
 
38 andreas 85 
    if (gPageManager)
86 
    {
87 
        if (!_displayButton)
88 
            _displayButton = gPageManager->getCallbackDB();
89 
 
90 
        if (!_setBackground)
91 
            _setBackground = gPageManager->getCallbackBG();
92 
 
93 
        if (!_playVideo)
94 
            _playVideo = gPageManager->getCallbackPV();
95 
 
96 
        if (!_callDropSubPage)
97 
            _callDropSubPage = gPageManager->getCallDropSubPage();
98 
    }
99 
 
3 andreas 100 
    initialize();
101 
}
102 
 
103 
TSubPage::~TSubPage()
104 
{
105 
    DECL_TRACER("TSubPage::~TSubPage()");
106 
 
5 andreas 107 
    if (mSubpage.name.empty())
108 
    {
109 
        MSG_WARNING("Invalid page found!");
110 
        return;
111 
    }
112 
 
113 
    MSG_DEBUG("Destroing subpage " << mSubpage.pageID << ": " << mSubpage.name);
114 
 
201 andreas 115 
    BUTTONS_T *b = TPageInterface::getButtons();
3 andreas 116 
    BUTTONS_T *next = nullptr;
117 
 
118 
    while (b)
119 
    {
120 
        next = b->next;
5 andreas 121 
 
122 
        if (b->button)
296 andreas 123 
        {
124 
            // If this is a system button, we must remove it first from the list
125 
            dropButton(b->button);
5 andreas 126 
            delete b->button;
296 andreas 127 
        }
5 andreas 128 
 
3 andreas 129 
        delete b;
130 
        b = next;
131 
    }
132 
 
201 andreas 133 
    setButtons(nullptr);
3 andreas 134 
}
135 
 
136 
void TSubPage::initialize()
137 
{
138 
    DECL_TRACER("TSubPage::initialize()");
139 
 
140 
    if (mFName.empty())
141 
        return;
142 
 
143 
    TError::clear();
76 andreas 144 
    TExpat xml(mFName);
145 
    xml.setEncoding(ENC_CP1250);
3 andreas 146 
 
76 andreas 147 
    if (!xml.parse())
3 andreas 148 
        return;
149 
 
76 andreas 150 
    int depth = 0;
151 
    size_t index = 0;
152 
    size_t oldIndex = 0;
153 
    string ename, content;
154 
    vector<ATTRIBUTE_t> attrs;
3 andreas 155 
 
76 andreas 156 
    if ((index = xml.getElementIndex("page", &depth)) == TExpat::npos)
3 andreas 157 
    {
158 
        MSG_ERROR("Element \"page\" with attribute \"type\" was not found! Invalid XML file!");
159 
        TError::setError();
160 
        return;
161 
    }
162 
 
76 andreas 163 
    attrs = xml.getAttributes();
164 
    string stype = xml.getAttribute("type", attrs);
165 
 
166 
    if (stype.compare("subpage") != 0)
3 andreas 167 
    {
76 andreas 168 
        MSG_ERROR("The type " << stype << " is invalid for a subpage!");
3 andreas 169 
        TError::setError();
170 
        return;
171 
    }
172 
 
193 andreas 173 
    mSubpage.popupType = xml.getAttribute("popupType", attrs);  // popup or subpage
3 andreas 174 
 
76 andreas 175 
    while ((index = xml.getNextElementFromIndex(index, &ename, &content, &attrs)) != TExpat::npos)
3 andreas 176 
    {
177 
        if (ename.compare("pageID") == 0)
76 andreas 178 
            mSubpage.pageID = xml.convertElementToInt(content);
3 andreas 179 
        else if (ename.compare("name") == 0)
76 andreas 180 
            mSubpage.name = content;
7 andreas 181 
        else if (ename.compare("left") == 0)
76 andreas 182 
            mSubpage.left = xml.convertElementToInt(content);
7 andreas 183 
        else if (ename.compare("top") == 0)
76 andreas 184 
            mSubpage.top = xml.convertElementToInt(content);
3 andreas 185 
        else if (ename.compare("width") == 0)
76 andreas 186 
            mSubpage.width = xml.convertElementToInt(content);
3 andreas 187 
        else if (ename.compare("height") == 0)
76 andreas 188 
            mSubpage.height = xml.convertElementToInt(content);
3 andreas 189 
        else if (ename.compare("group") == 0)
76 andreas 190 
            mSubpage.group = content;
7 andreas 191 
        else if (ename.compare("showEffect") == 0)
76 andreas 192 
            mSubpage.showEffect = (SHOWEFFECT)xml.convertElementToInt(content);
3 andreas 193 
        else if (ename.compare("showTime") == 0)
76 andreas 194 
            mSubpage.showTime = xml.convertElementToInt(content);
3 andreas 195 
        else if (ename.compare("hideTime") == 0)
76 andreas 196 
            mSubpage.hideTime = xml.convertElementToInt(content);
7 andreas 197 
        else if (ename.compare("hideEffect") == 0)
76 andreas 198 
            mSubpage.hideEffect = (SHOWEFFECT)xml.convertElementToInt(content);
3 andreas 199 
        else if (ename.compare("timeout") == 0)
76 andreas 200 
            mSubpage.timeout = xml.convertElementToInt(content);
3 andreas 201 
        else if (ename.compare("button") == 0)      // Read a button
202 
        {
203 
            try
204 
            {
205 
                TButton *button = new TButton();
204 andreas 206 
                TPageInterface::registerListCallback<TSubPage>(button, this);
4 andreas 207 
                button->setPalette(mPalette);
201 andreas 208 
                button->setFonts(getFonts());
76 andreas 209 
                index = button->initialize(&xml, index);
6 andreas 210 
                button->setParentSize(mSubpage.width, mSubpage.height);
7 andreas 211 
                button->registerCallback(_displayButton);
21 andreas 212 
                button->regCallPlayVideo(_playVideo);
3 andreas 213 
 
214 
                if (TError::isError())
215 
                {
16 andreas 216 
                    MSG_ERROR("Dropping button because of previous errors!");
3 andreas 217 
                    delete button;
218 
                    return;
219 
                }
220 
 
5 andreas 221 
                button->setHandle(((mSubpage.pageID << 16) & 0xffff0000) | button->getButtonIndex());
14 andreas 222 
                button->createButtons();
3 andreas 223 
                addButton(button);
76 andreas 224 
                index++;    // Jump over the end tag of the button.
3 andreas 225 
            }
226 
            catch (std::exception& e)
227 
            {
228 
                MSG_ERROR("Memory exception: " << e.what());
229 
                TError::setError();
230 
                return;
231 
            }
232 
        }
6 andreas 233 
        else if (ename.compare("sr") == 0)
234 
        {
235 
            SR_T sr;
76 andreas 236 
            sr.number = xml.getAttributeInt("number", attrs);
3 andreas 237 
 
76 andreas 238 
            while ((index = xml.getNextElementFromIndex(index, &ename, &content, &attrs)) != TExpat::npos)
6 andreas 239 
            {
240 
                if (ename.compare("bs") == 0)
76 andreas 241 
                    sr.bs = content;
6 andreas 242 
                else if (ename.compare("cb") == 0)
76 andreas 243 
                    sr.cb = content;
6 andreas 244 
                else if (ename.compare("cf") == 0)
76 andreas 245 
                    sr.cf = content;
6 andreas 246 
                else if (ename.compare("ct") == 0)
76 andreas 247 
                    sr.ct = content;
6 andreas 248 
                else if (ename.compare("ec") == 0)
76 andreas 249 
                    sr.ec = content;
6 andreas 250 
                else if (ename.compare("bm") == 0)
76 andreas 251 
                    sr.bm = content;
65 andreas 252 
                else if (ename.compare("mi") == 0)
76 andreas 253 
                    sr.mi = content;
10 andreas 254 
                else if (ename.compare("ji") == 0)
76 andreas 255 
                    sr.ji = xml.convertElementToInt(content);
10 andreas 256 
                else if (ename.compare("jb") == 0)
76 andreas 257 
                    sr.jb = xml.convertElementToInt(content);
6 andreas 258 
                else if (ename.compare("fi") == 0)
76 andreas 259 
                    sr.fi = xml.convertElementToInt(content);
10 andreas 260 
                else if (ename.compare("ii") == 0)
76 andreas 261 
                    sr.ii = xml.convertElementToInt(content);
10 andreas 262 
                else if (ename.compare("ix") == 0)
76 andreas 263 
                    sr.ix = xml.convertElementToInt(content);
10 andreas 264 
                else if (ename.compare("iy") == 0)
76 andreas 265 
                    sr.iy = xml.convertElementToInt(content);
10 andreas 266 
                else if (ename.compare("oo") == 0)
76 andreas 267 
                    sr.oo = xml.convertElementToInt(content);
54 andreas 268 
                else if (ename.compare("te") == 0)
76 andreas 269 
                    sr.te = content;
54 andreas 270 
                else if (ename.compare("tx") == 0)
76 andreas 271 
                    sr.tx = xml.convertElementToInt(content);
54 andreas 272 
                else if (ename.compare("ty") == 0)
76 andreas 273 
                    sr.ty = xml.convertElementToInt(content);
54 andreas 274 
                else if (ename.compare("et") == 0)
76 andreas 275 
                    sr.et = xml.convertElementToInt(content);
54 andreas 276 
                else if (ename.compare("ww") == 0)
76 andreas 277 
                    sr.ww = xml.convertElementToInt(content);
54 andreas 278 
                else if (ename.compare("jt") == 0)
76 andreas 279 
                    sr.jt = (Button::TEXT_ORIENTATION)xml.convertElementToInt(content);
6 andreas 280 
 
76 andreas 281 
                oldIndex = index;
6 andreas 282 
            }
283 
 
284 
            mSubpage.sr.push_back(sr);
285 
        }
286 
 
76 andreas 287 
        if (index == TExpat::npos)
288 
            index = oldIndex + 1;
3 andreas 289 
    }
8 andreas 290 
 
204 andreas 291 
    setSR(mSubpage.sr);
292 
/*
76 andreas 293 
    if (TStreamError::checkFilter(HLOG_DEBUG))
294 
    {
295 
        MSG_DEBUG("PageID: " << mSubpage.pageID);
296 
        MSG_DEBUG("Name  : " << mSubpage.name);
297 
        MSG_DEBUG("Left  : " << mSubpage.left);
298 
        MSG_DEBUG("Top   : " << mSubpage.top);
299 
        MSG_DEBUG("Width : " << mSubpage.width);
300 
        MSG_DEBUG("Height: " << mSubpage.height);
301 
 
302 
        vector<SR_T>::iterator iter;
303 
        size_t pos = 1;
304 
 
305 
        for (iter = mSubpage.sr.begin(); iter != mSubpage.sr.end(); ++iter)
306 
        {
307 
            MSG_DEBUG("   " << pos << ": id: " << iter->number);
308 
            MSG_DEBUG("   " << pos << ": bs: " << iter->bs);
309 
            MSG_DEBUG("   " << pos << ": cb: " << iter->cb);
310 
            MSG_DEBUG("   " << pos << ": cf: " << iter->cf);
311 
            MSG_DEBUG("   " << pos << ": ct: " << iter->ct);
312 
            MSG_DEBUG("   " << pos << ": ec: " << iter->ec);
313 
            MSG_DEBUG("   " << pos << ": bm: " << iter->bm);
314 
            MSG_DEBUG("   " << pos << ": mi: " << iter->mi);
315 
            MSG_DEBUG("   " << pos << ": fi: " << iter->fi);
316 
            pos++;
317 
        }
318 
    }
204 andreas 319 
*/
8 andreas 320 
    // Here the sort function could be called. But it's not necessary because
321 
    // the buttons are stored in ascending Z order. Therefor the following
322 
    // method call is commented out.
323 
    // sortButtons();
6 andreas 324 
}
3 andreas 325 
 
6 andreas 326 
void TSubPage::show()
327 
{
328 
    DECL_TRACER("TSubPage::show()");
3 andreas 329 
 
6 andreas 330 
    if (!_setBackground)
3 andreas 331 
    {
66 andreas 332 
        if (gPageManager && gPageManager->getCallbackBG())
333 
            _setBackground = gPageManager->getCallbackBG();
334 
        else
335 
        {
336 
            MSG_WARNING("No callback \"setBackground\" was set!");
343 andreas 337 
#if TESTMODE == 1
338 
            setScreenDone();
339 
#endif
66 andreas 340 
            return;
341 
        }
3 andreas 342 
    }
343 
 
65 andreas 344 
    bool haveImage = false;
6 andreas 345 
    ulong handle = (mSubpage.pageID << 16) & 0xffff0000;
53 andreas 346 
    MSG_DEBUG("Processing subpage " << mSubpage.pageID << ": " << mSubpage.name);
66 andreas 347 
    SkBitmap target;
254 andreas 348 
 
349 
    if (!allocPixels(mSubpage.width, mSubpage.height, &target))
343 andreas 350 
    {
351 
#if TESTMODE == 1
352 
        setScreenDone();
353 
#endif
254 andreas 354 
        return;
343 andreas 355 
    }
254 andreas 356 
 
66 andreas 357 
    target.eraseColor(TColor::getSkiaColor(mSubpage.sr[0].cf));
6 andreas 358 
    // Draw the background, if any
65 andreas 359 
    if (mSubpage.sr.size() > 0 && (!mSubpage.sr[0].bm.empty() || !mSubpage.sr[0].mi.empty()))
3 andreas 360 
    {
65 andreas 361 
        TDrawImage dImage;
66 andreas 362 
        dImage.setWidth(mSubpage.width);
363 
        dImage.setHeight(mSubpage.height);
3 andreas 364 
 
65 andreas 365 
        if (!mSubpage.sr[0].bm.empty())
3 andreas 366 
        {
65 andreas 367 
            MSG_DEBUG("Loading image " << mSubpage.sr[0].bm);
368 
            sk_sp<SkData> rawImage = readImage(mSubpage.sr[0].bm);
6 andreas 369 
            SkBitmap bm;
19 andreas 370 
 
65 andreas 371 
            if (rawImage)
372 
            {
373 
                MSG_DEBUG("Decoding image BM ...");
19 andreas 374 
 
65 andreas 375 
                if (!DecodeDataToBitmap(rawImage, &bm))
376 
                {
377 
                    MSG_WARNING("Problem while decoding image " << mSubpage.sr[0].bm);
378 
                }
379 
                else if (!bm.empty())
380 
                {
381 
                    dImage.setImageBm(bm);
382 
                    SkImageInfo info = bm.info();
383 
                    mSubpage.sr[0].bm_width = info.width();
384 
                    mSubpage.sr[0].bm_height = info.height();
385 
                    haveImage = true;
386 
                }
387 
                else
388 
                {
389 
                    MSG_WARNING("BM image " << mSubpage.sr[0].bm << " seems to be empty!");
390 
                }
391 
            }
392 
        }
54 andreas 393 
 
65 andreas 394 
        if (!mSubpage.sr[0].mi.empty())
395 
        {
396 
            MSG_DEBUG("Loading image " << mSubpage.sr[0].mi);
397 
            sk_sp<SkData> rawImage = readImage(mSubpage.sr[0].mi);
398 
            SkBitmap mi;
399 
 
400 
            if (rawImage)
401 
            {
402 
                MSG_DEBUG("Decoding image MI ...");
403 
 
404 
                if (!DecodeDataToBitmap(rawImage, &mi))
405 
                {
406 
                    MSG_WARNING("Problem while decoding image " << mSubpage.sr[0].mi);
407 
                }
408 
                else if (!mi.empty())
409 
                {
410 
                    dImage.setImageMi(mi);
411 
                    SkImageInfo info = mi.info();
412 
                    mSubpage.sr[0].mi_width = info.width();
413 
                    mSubpage.sr[0].mi_height = info.height();
414 
                    haveImage = true;
415 
                }
416 
                else
417 
                {
418 
                    MSG_WARNING("MI image " << mSubpage.sr[0].mi << " seems to be empty!");
419 
                }
420 
            }
421 
        }
422 
 
423 
        if (haveImage)
424 
        {
425 
            dImage.setSr(mSubpage.sr);
426 
 
427 
            if (!dImage.drawImage(&target))
428 
                return;
429 
 
54 andreas 430 
            if (!mSubpage.sr[0].te.empty())
431 
            {
201 andreas 432 
                if (!drawText(mSubpage, &target))
54 andreas 433 
                    return;
434 
            }
262 andreas 435 
#ifdef _OPAQUE_SKIA_
258 andreas 436 
            if (mSubpage.sr[0].oo < 255 && mSubpage.sr[0].te.empty() && mSubpage.sr[0].bs.empty())
437 
                setOpacity(&target, mSubpage.sr[0].oo);
262 andreas 438 
#endif
65 andreas 439 
 
43 andreas 440 
#ifdef _SCALE_SKIA_
26 andreas 441 
            if (gPageManager && gPageManager->getScaleFactor() != 1.0)
442 
            {
443 
                SkPaint paint;
65 andreas 444 
                int left, top;
289 andreas 445 
                SkImageInfo info = target.info();
65 andreas 446 
 
26 andreas 447 
                paint.setBlendMode(SkBlendMode::kSrc);
448 
                paint.setFilterQuality(kHigh_SkFilterQuality);
28 andreas 449 
                // Calculate new dimension
31 andreas 450 
                double scaleFactor = gPageManager->getScaleFactor();
451 
                MSG_DEBUG("Using scale factor " << scaleFactor);
452 
                int lwidth = (int)((double)info.width() * scaleFactor);
453 
                int lheight = (int)((double)info.height() * scaleFactor);
454 
                int twidth = (int)((double)mSubpage.width * scaleFactor);
455 
                int theight = (int)((double)mSubpage.height * scaleFactor);
65 andreas 456 
                calcPosition(lwidth, lheight, &left, &top);
28 andreas 457 
                // Create a canvas and draw new image
65 andreas 458 
                sk_sp<SkImage> im = SkImage::MakeFromBitmap(target);
254 andreas 459 
 
460 
                if (!allocPixels(twidth, theight, &target))
343 andreas 461 
                {
462 
#if TESTMODE == 1
463 
                    setScreenDone();
464 
#endif
254 andreas 465 
                    return;
343 andreas 466 
                }
254 andreas 467 
 
65 andreas 468 
                target.eraseColor(TColor::getSkiaColor(mSubpage.sr[0].cf));
254 andreas 469 
                SkCanvas can(target, SkSurfaceProps());
31 andreas 470 
                SkRect rect = SkRect::MakeXYWH(left, top, lwidth, lheight);
26 andreas 471 
                can.drawImageRect(im, rect, &paint);
31 andreas 472 
                MSG_DEBUG("Scaled size of background image: " << left << ", " << top << ", " << lwidth << ", " << lheight);
26 andreas 473 
            }
43 andreas 474 
#endif
262 andreas 475 
#ifdef _OPAQUE_SKIA_
258 andreas 476 
            if (mSubpage.sr[0].te.empty() && mSubpage.sr[0].bs.empty())
289 andreas 477 
            {
478 
                TBitmap image((unsigned char *)target.getPixels(), target.info().width(), target.info().height());
479 
                _setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(mSubpage.sr[0].cf));
480 
            }
262 andreas 481 
#else
482 
            if (mSubpage.sr[0].te.empty() && mSubpage.sr[0].bs.empty())
289 andreas 483 
            {
484 
                TBitmap image((unsigned char *)target.getPixels(), target.info().width(), target.info().height());
485 
                _setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(mSubpage.sr[0].cf), mSubpage.sr[0].oo);
486 
            }
262 andreas 487 
#endif
6 andreas 488 
        }
489 
    }
66 andreas 490 
 
491 
    if (mSubpage.sr.size() > 0 && !mSubpage.sr[0].te.empty())
54 andreas 492 
    {
493 
        MSG_DEBUG("Drawing a text only on background image ...");
494 
 
258 andreas 495 
        if (drawText(mSubpage, &target))
496 
            haveImage = true;
497 
    }
54 andreas 498 
 
258 andreas 499 
    // Check for a frame and draw it if there is one.
500 
    if (!mSubpage.sr[0].bs.empty())
501 
    {
502 
        if (drawFrame(mSubpage, &target))
503 
            haveImage = true;
504 
    }
505 
 
506 
    if (haveImage)
507 
    {
262 andreas 508 
#ifdef _OPAQUE_SKIA_
258 andreas 509 
        if (mSubpage.sr[0].oo < 255)
510 
            setOpacity(&target, mSubpage.sr[0].oo);
262 andreas 511 
#endif
289 andreas 512 
        TBitmap image((unsigned char *)target.getPixels(), target.info().width(), target.info().height());
262 andreas 513 
#ifdef _OPAQUE_SKIA_
289 andreas 514 
        _setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(mSubpage.sr[0].cf));
262 andreas 515 
#else
289 andreas 516 
        _setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(mSubpage.sr[0].cf), mSubpage.sr[0].oo);
262 andreas 517 
#endif
54 andreas 518 
    }
258 andreas 519 
    else if (mSubpage.sr.size() > 0 && !haveImage)
6 andreas 520 
    {
521 
        MSG_DEBUG("Calling \"setBackground\" with no image ...");
262 andreas 522 
#ifdef _OPAQUE_SKIA_
289 andreas 523 
        _setBackground(handle, TBitmap(), 0, 0, TColor::getColor(mSubpage.sr[0].cf));
262 andreas 524 
#else
289 andreas 525 
        _setBackground(handle, TBitmap(), 0, 0, TColor::getColor(mSubpage.sr[0].cf), mSubpage.sr[0].oo);
262 andreas 526 
#endif
6 andreas 527 
    }
3 andreas 528 
 
6 andreas 529 
    // Draw the buttons
201 andreas 530 
    BUTTONS_T *button = TPageInterface::getButtons();
6 andreas 531 
 
532 
    while (button)
533 
    {
534 
        if (button->button)
535 
        {
344 andreas 536 
            MSG_DEBUG("Drawing button " << handleToString(button->button->getHandle()) << ": " << button->button->getButtonIndex() << " --> " << button->button->getButtonName());
204 andreas 537 
            TPageInterface::registerListCallback<TSubPage>(button->button, this);
6 andreas 538 
            button->button->registerCallback(_displayButton);
21 andreas 539 
            button->button->regCallPlayVideo(_playVideo);
201 andreas 540 
            button->button->setFonts(getFonts());
7 andreas 541 
            button->button->setPalette(mPalette);
6 andreas 542 
            button->button->createButtons();
10 andreas 543 
 
544 
            if (mSubpage.sr.size() > 0)
545 
                button->button->setGlobalOpacity(mSubpage.sr[0].oo);
546 
 
345 andreas 547 
//            button->button->setChanged(true);
6 andreas 548 
            button->button->show();
549 
        }
550 
 
551 
        button = button->next;
3 andreas 552 
    }
11 andreas 553 
 
554 
    // Mark page as visible
555 
    mVisible = true;
271 andreas 556 
 
557 
    if (gPageManager && gPageManager->getPageFinished())
558 
        gPageManager->getPageFinished()(handle);
3 andreas 559 
}
560 
 
289 andreas 561 
SkBitmap& TSubPage::getBgImage()
281 andreas 562 
{
563 
    DECL_TRACER("TSubPage::getBgImage()");
564 
 
289 andreas 565 
    if (!mBgImage.empty())
566 
        return mBgImage;
567 
 
281 andreas 568 
    bool haveImage = false;
569 
    MSG_DEBUG("Creating image for subpage " << mSubpage.pageID << ": " << mSubpage.name);
570 
    SkBitmap target;
571 
 
572 
    if (!allocPixels(mSubpage.width, mSubpage.height, &target))
289 andreas 573 
        return mBgImage;
281 andreas 574 
 
575 
    target.eraseColor(TColor::getSkiaColor(mSubpage.sr[0].cf));
576 
    // Draw the background, if any
577 
    if (mSubpage.sr.size() > 0 && (!mSubpage.sr[0].bm.empty() || !mSubpage.sr[0].mi.empty()))
578 
    {
579 
        TDrawImage dImage;
580 
        dImage.setWidth(mSubpage.width);
581 
        dImage.setHeight(mSubpage.height);
582 
 
583 
        if (!mSubpage.sr[0].bm.empty())
584 
        {
585 
            MSG_DEBUG("Loading image " << mSubpage.sr[0].bm);
586 
            sk_sp<SkData> rawImage = readImage(mSubpage.sr[0].bm);
587 
            SkBitmap bm;
588 
 
589 
            if (rawImage)
590 
            {
591 
                MSG_DEBUG("Decoding image BM ...");
592 
 
593 
                if (!DecodeDataToBitmap(rawImage, &bm))
594 
                {
595 
                    MSG_WARNING("Problem while decoding image " << mSubpage.sr[0].bm);
596 
                }
597 
                else if (!bm.empty())
598 
                {
599 
                    dImage.setImageBm(bm);
600 
                    SkImageInfo info = bm.info();
601 
                    mSubpage.sr[0].bm_width = info.width();
602 
                    mSubpage.sr[0].bm_height = info.height();
603 
                    haveImage = true;
604 
                }
605 
                else
606 
                {
607 
                    MSG_WARNING("BM image " << mSubpage.sr[0].bm << " seems to be empty!");
608 
                }
609 
            }
610 
        }
611 
 
612 
        if (!mSubpage.sr[0].mi.empty())
613 
        {
614 
            MSG_DEBUG("Loading image " << mSubpage.sr[0].mi);
615 
            sk_sp<SkData> rawImage = readImage(mSubpage.sr[0].mi);
616 
            SkBitmap mi;
617 
 
618 
            if (rawImage)
619 
            {
620 
                MSG_DEBUG("Decoding image MI ...");
621 
 
622 
                if (!DecodeDataToBitmap(rawImage, &mi))
623 
                {
624 
                    MSG_WARNING("Problem while decoding image " << mSubpage.sr[0].mi);
625 
                }
626 
                else if (!mi.empty())
627 
                {
628 
                    dImage.setImageMi(mi);
629 
                    SkImageInfo info = mi.info();
630 
                    mSubpage.sr[0].mi_width = info.width();
631 
                    mSubpage.sr[0].mi_height = info.height();
632 
                    haveImage = true;
633 
                }
634 
                else
635 
                {
636 
                    MSG_WARNING("MI image " << mSubpage.sr[0].mi << " seems to be empty!");
637 
                }
638 
            }
639 
        }
640 
 
641 
        if (haveImage)
642 
        {
643 
            dImage.setSr(mSubpage.sr);
644 
 
645 
            if (!dImage.drawImage(&target))
289 andreas 646 
                return mBgImage;
281 andreas 647 
 
648 
            if (!mSubpage.sr[0].te.empty())
649 
            {
650 
                if (!drawText(mSubpage, &target))
289 andreas 651 
                    return mBgImage;
281 andreas 652 
            }
653 
 
654 
            if (mSubpage.sr[0].oo < 255 && mSubpage.sr[0].te.empty() && mSubpage.sr[0].bs.empty())
655 
                setOpacity(&target, mSubpage.sr[0].oo);
656 
 
657 
#ifdef _SCALE_SKIA_
658 
            size_t rowBytes = info.minRowBytes();
659 
            size_t size = info.computeByteSize(rowBytes);
289 andreas 660 
            SkImageInfo info = target.info();
281 andreas 661 
 
662 
            if (gPageManager && gPageManager->getScaleFactor() != 1.0)
663 
            {
664 
                SkPaint paint;
665 
                int left, top;
666 
 
667 
                paint.setBlendMode(SkBlendMode::kSrc);
668 
                paint.setFilterQuality(kHigh_SkFilterQuality);
669 
                // Calculate new dimension
670 
                double scaleFactor = gPageManager->getScaleFactor();
671 
                MSG_DEBUG("Using scale factor " << scaleFactor);
672 
                int lwidth = (int)((double)info.width() * scaleFactor);
673 
                int lheight = (int)((double)info.height() * scaleFactor);
674 
                int twidth = (int)((double)mSubpage.width * scaleFactor);
675 
                int theight = (int)((double)mSubpage.height * scaleFactor);
676 
                calcPosition(lwidth, lheight, &left, &top);
677 
                // Create a canvas and draw new image
678 
                sk_sp<SkImage> im = SkImage::MakeFromBitmap(target);
679 
 
680 
                if (!allocPixels(twidth, theight, &target))
681 
                    return;
682 
 
683 
                target.eraseColor(TColor::getSkiaColor(mSubpage.sr[0].cf));
684 
                SkCanvas can(target, SkSurfaceProps());
685 
                SkRect rect = SkRect::MakeXYWH(left, top, lwidth, lheight);
686 
                can.drawImageRect(im, rect, &paint);
687 
                MSG_DEBUG("Scaled size of background image: " << left << ", " << top << ", " << lwidth << ", " << lheight);
688 
            }
689 
#endif
690 
        }
691 
    }
692 
 
693 
    if (mSubpage.sr.size() > 0 && !mSubpage.sr[0].te.empty())
694 
    {
695 
        MSG_DEBUG("Drawing a text only on background image ...");
696 
 
697 
        if (drawText(mSubpage, &target))
698 
            haveImage = true;
699 
    }
700 
 
701 
    // Check for a frame and draw it if there is one.
702 
    if (!mSubpage.sr[0].bs.empty())
703 
    {
306 andreas 704 
        if (!drawBorder(&target, mSubpage.sr[0].bs, mSubpage.width, mSubpage.height, mSubpage.sr[0].cb))
705 
        {
706 
            if (drawFrame(mSubpage, &target))
707 
                haveImage = true;
708 
        }
281 andreas 709 
    }
710 
 
711 
    if (haveImage)
712 
    {
713 
        if (mSubpage.sr[0].oo < 255)
714 
            setOpacity(&target, mSubpage.sr[0].oo);
715 
 
289 andreas 716 
        mBgImage = target;
281 andreas 717 
    }
718 
 
289 andreas 719 
    return mBgImage;
281 andreas 720 
}
721 
 
11 andreas 722 
void TSubPage::drop()
723 
{
724 
    DECL_TRACER("TSubPage::drop()");
725 
 
295 andreas 726 
    stopTimer();
727 
 
14 andreas 728 
    if (mVisible && _callDropSubPage)
350 andreas 729 
        _callDropSubPage((mSubpage.pageID << 16) & 0xffff0000, mParent);
349 andreas 730 
#if TESTMODE == 1
731 
    else
732 
    {
733 
        __success = true;
734 
        setScreenDone();
735 
    }
736 
#endif
11 andreas 737 
 
15 andreas 738 
    // Set all elements of subpage invisible
201 andreas 739 
    BUTTONS_T *bt = TPageInterface::getButtons();
15 andreas 740 
 
741 
    while (bt)
742 
    {
743 
        bt->button->hide();
744 
        bt = bt->next;
745 
    }
746 
 
14 andreas 747 
    mZOrder = -1;
11 andreas 748 
    mVisible = false;
749 
}
750 
 
53 andreas 751 
void TSubPage::startTimer()
752 
{
753 
    DECL_TRACER("TSubPage::startTimer()");
754 
 
755 
    if (mSubpage.timeout <= 0 || mTimerRunning)
756 
        return;
757 
 
758 
    try
759 
    {
760 
        mThreadTimer = std::thread([=] { runTimer(); });
761 
        mThreadTimer.detach();
762 
    }
763 
    catch (std::exception& e)
764 
    {
765 
        MSG_ERROR("Error starting a timeout thread: " << e.what());
766 
        return;
767 
    }
768 
}
769 
 
770 
void TSubPage::runTimer()
771 
{
772 
    DECL_TRACER("TSubPage::runTimer()");
773 
 
93 andreas 774 
    if (mTimerRunning)
775 
        return;
776 
 
53 andreas 777 
    mTimerRunning = true;
778 
    ulong tm = mSubpage.timeout * 100;
54 andreas 779 
    ulong unit = 100;
780 
    ulong total = 0;
781 
 
782 
    while (mTimerRunning && !prg_stopped && total < tm)
783 
    {
784 
        std::this_thread::sleep_for(std::chrono::milliseconds(unit));
785 
        total += unit;
786 
    }
787 
 
788 
    drop();
53 andreas 789 
    mTimerRunning = false;
790 
}
791 
 
43 andreas 792 
#ifdef _SCALE_SKIA_
31 andreas 793 
void TSubPage::calcPosition(int im_width, int im_height, int *left, int *top, bool scale)
43 andreas 794 
#else
795 
void TSubPage::calcPosition(int im_width, int im_height, int *left, int *top)
796 
#endif
31 andreas 797 
{
43 andreas 798 
    DECL_TRACER("TSubPage::calcPosition(int im_width, int im_height, int *left, int *top)");
31 andreas 799 
 
800 
    int nw = mSubpage.width;
801 
    int nh = mSubpage.height;
43 andreas 802 
#ifdef _SCALE_SKIA_
31 andreas 803 
    if (scale && gPageManager && gPageManager->getScaleFactor() != 1.0)
804 
    {
805 
        nw = (int)((double)mSubpage.width * gPageManager->getScaleFactor());
806 
        nh = (int)((double)mSubpage.height * gPageManager->getScaleFactor());
807 
    }
43 andreas 808 
#endif
31 andreas 809 
    switch (mSubpage.sr[0].jb)
810 
    {
811 
        case 0: // absolute position
812 
            *left = mSubpage.sr[0].bx;
813 
            *top = mSubpage.sr[0].by;
43 andreas 814 
#ifdef _SCALE_SKIA_
31 andreas 815 
            if (scale && gPageManager && gPageManager->getScaleFactor() != 1.0)
816 
            {
817 
                *left = (int)((double)mSubpage.sr[0].bx * gPageManager->getScaleFactor());
818 
                *left = (int)((double)mSubpage.sr[0].by * gPageManager->getScaleFactor());
819 
            }
43 andreas 820 
#endif
31 andreas 821 
        break;
822 
 
823 
        case 1: // top, left
824 
            *left = 0;
825 
            *top = 0;
826 
        break;
827 
 
828 
        case 2: // center, top
829 
            *left = (nw - im_width) / 2;
830 
            *top = 0;
831 
        break;
832 
 
833 
        case 3: // right, top
834 
            *left = nw - im_width;
835 
            *top = 0;
836 
        break;
837 
 
838 
        case 4: // left, middle
839 
            *left = 0;
840 
            *top = (nh - im_height) / 2;
841 
        break;
842 
 
843 
        case 6: // right, middle
844 
            *left = nw - im_width;
845 
            *top = (nh - im_height) / 2;
846 
        break;
847 
 
848 
        case 7: // left, bottom
849 
            *left = 0;
850 
            *top = nh - im_height;
851 
        break;
852 
 
853 
        case 8: // center, bottom
854 
            *left = (nw - im_width) / 2;
855 
            *top = nh - im_height;
856 
        break;
857 
 
858 
        case 9: // right, bottom
859 
            *left = nw - im_width;
860 
            *top = nh - im_height;
861 
        break;
862 
 
863 
        default:    // center middle
864 
            *left = (nw - im_width) / 2;
865 
            *top = (nh - im_height) / 2;
866 
    }
867 
 
868 
    if (*left < 0)
869 
        *left = 0;
870 
 
871 
    if (*top < 0)
872 
        *top = 0;
873 
}
874 
 
11 andreas 875 
RECT_T TSubPage::getRegion()
876 
{
877 
    DECL_TRACER("TSubPage::getRegion()");
878 
    return {mSubpage.left, mSubpage.top, mSubpage.width, mSubpage.height};
879 
}
880 
 
15 andreas 881 
/**
882 
 * This method is called indirectly from the GUI after a mouse click. If This
883 
 * subpage matches the clicked coordinates, than the elements are tested. If
884 
 * an element is found that matches the coordinates it gets the click. It
885 
 * depends on the kind of element what happens.
886 
 */
11 andreas 887 
void TSubPage::doClick(int x, int y, bool pressed)
888 
{
889 
    DECL_TRACER("TSubPage::doClick(int x, int y)");
890 
 
201 andreas 891 
    BUTTONS_T *button = TPageInterface::getButtons();
205 andreas 892 
 
893 
    if (!button)
894 
        return;
895 
 
11 andreas 896 
    // Find last button
39 andreas 897 
    while (button && button->next)
11 andreas 898 
        button = button->next;
899 
 
900 
    // Scan in reverse order
901 
    while (button)
902 
    {
903 
        TButton *but = button->button;
146 andreas 904 
        bool clickable = but->isClickable();
905 
        MSG_DEBUG("Testing button " << but->getButtonIndex() << " (" << but->getButtonName() << "): " << (clickable ? "CLICKABLE" : "NOT CLICKABLE"));
11 andreas 906 
 
154 andreas 907 
        if (clickable && x > but->getLeftPosition() && x < (but->getLeftPosition() + but->getWidth()) &&
31 andreas 908 
            y > but->getTopPosition() && y < (but->getTopPosition() + but->getHeight()))
11 andreas 909 
        {
910 
            MSG_DEBUG("Clicking button " << but->getButtonIndex() << ": " << but->getButtonName() << " to state " << (pressed ? "PRESS" : "RELEASE"));
15 andreas 911 
            int btX = x - but->getLeftPosition();
912 
            int btY = y - but->getTopPosition();
913 
 
914 
            if (but->doClick(btX, btY, pressed))
915 
                break;
11 andreas 916 
        }
917 
 
918 
        button = button->previous;
919 
    }
920 
}