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