Subversion Repositories tpanel

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 andreas 1 
/*
258 andreas 2 
 * Copyright (C) 2020 to 2023 by Andreas Theofilu <andreas@theosys.at>
2 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 
 
19 
#include <sys/types.h>
20 
#include <sys/stat.h>
21 
#include <unistd.h>
55 andreas 22 
 
23 
#include <include/core/SkFont.h>
24 
#include <include/core/SkFontMetrics.h>
25 
#include <include/core/SkTextBlob.h>
26 
 
5 andreas 27 
#include "tresources.h"
26 andreas 28 
#include "tpagemanager.h"
2 andreas 29 
#include "tpage.h"
66 andreas 30 
#include "tdrawimage.h"
76 andreas 31 
#include "texpat++.h"
211 andreas 32 
#include "tconfig.h"
303 andreas 33 
#include "terror.h"
2 andreas 34 
 
186 andreas 35 
#if __cplusplus < 201402L
36 
#   error "This module requires at least C++14 standard!"
37 
#else
38 
#   if __cplusplus < 201703L
39 
#       include <experimental/filesystem>
40 
namespace fs = std::experimental::filesystem;
41 
#       warning "Support for C++14 and experimental filesystem will be removed in a future version!"
42 
#   else
43 
#       include <filesystem>
44 
#       ifdef __ANDROID__
45 
namespace fs = std::__fs::filesystem;
46 
#       else
47 
namespace fs = std::filesystem;
48 
#       endif
49 
#   endif
50 
#endif
51 
 
3 andreas 52 
using std::string;
55 andreas 53 
using std::vector;
151 andreas 54 
using std::map;
55 
using std::pair;
3 andreas 56 
using namespace Button;
76 andreas 57 
using namespace Expat;
3 andreas 58 
 
26 andreas 59 
extern TPageManager *gPageManager;
60 
 
3 andreas 61 
TPage::TPage(const string& name)
2 andreas 62 
{
3 andreas 63 
    DECL_TRACER("TPage::TPage(const string& name)");
14 andreas 64 
    TError::clear();
38 andreas 65 
 
66 
    if (gPageManager)
67 
    {
68 
        if (!_setBackground)
69 
            _setBackground = gPageManager->getCallbackBG();
70 
 
71 
        if (!_displayButton)
72 
            _displayButton = gPageManager->getCallbackDB();
73 
 
74 
        if (!_callDropPage)
75 
            _callDropPage = gPageManager->getCallDropPage();
76 
 
77 
        if (!_callDropSubPage)
78 
            _callDropSubPage = gPageManager->getCallDropSubPage();
79 
 
80 
        if (!_playVideo)
81 
            _playVideo = gPageManager->getCallbackPV();
82 
    }
83 
 
43 andreas 84 
    if (name.compare("_progress") == 0)
85 
    {
86 
        addProgress();
87 
        return ;
88 
    }
89 
 
3 andreas 90 
    initialize(name);
91 
}
2 andreas 92 
 
3 andreas 93 
TPage::~TPage()
94 
{
5 andreas 95 
    DECL_TRACER("TPage::~TPage()");
96 
 
201 andreas 97 
    MSG_DEBUG("Destroing page " << mPage.pageID << ": " << mPage.name);
98 
    BUTTONS_T *p = getButtons();
3 andreas 99 
    BUTTONS_T *next = nullptr;
2 andreas 100 
 
3 andreas 101 
    while (p)
102 
    {
103 
        next = p->next;
104 
        delete p->button;
105 
        delete p;
106 
        p = next;
107 
    }
2 andreas 108 
 
201 andreas 109 
    setButtons(nullptr);
3 andreas 110 
 
111 
    PAGECHAIN_T *pc = mSubPages;
112 
    PAGECHAIN_T *pc_next = nullptr;
113 
 
114 
    // We're not allowd to delete the subpages here, because they're managed
115 
    // by the TPageManager.
116 
    while (pc)
117 
    {
118 
        pc_next = pc->next;
119 
        delete pc;
120 
        pc = pc_next;
121 
    }
122 
 
123 
    mSubPages = nullptr;
124 
}
125 
 
126 
void TPage::initialize(const string& nm)
127 
{
128 
    DECL_TRACER("TPage::initialize(const string& name)");
129 
 
197 andreas 130 
    string projectPath = ((gPageManager && gPageManager->isSetupActive()) ? TConfig::getSystemProjectPath() : TConfig::getProjectPath());
186 andreas 131 
 
132 
    if (!fs::exists(projectPath + "/prj.xma"))
197 andreas 133 
    {
134 
        MSG_ERROR("Directory " << projectPath << " doesn't exist!");
135 
        return;
136 
    }
186 andreas 137 
 
138 
    makeFileName(projectPath, nm);
139 
 
194 andreas 140 
    MSG_DEBUG("Using path: " << projectPath << " and file: " << nm);
141 
 
3 andreas 142 
    if (isValidFile())
143 
        mPath = getFileName();
144 
 
76 andreas 145 
    TExpat xml(mPath);
146 
    xml.setEncoding(ENC_CP1250);
3 andreas 147 
 
76 andreas 148 
    if (!xml.parse())
3 andreas 149 
        return;
150 
 
76 andreas 151 
    int depth = 0;
152 
    size_t index = 0;
153 
    size_t oldIndex = 0;
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!");
159 
        TError::setError();
160 
        return;
161 
    }
162 
 
76 andreas 163 
    attrs = xml.getAttributes();
164 
    string type = xml.getAttribute("type", attrs);
3 andreas 165 
 
166 
    if (type.compare("page") != 0)
167 
    {
168 
        MSG_ERROR("Invalid page type \"" << type << "\"!");
169 
        TError::setError();
170 
        return;
171 
    }
172 
 
76 andreas 173 
    depth++;
174 
    string ename, content;
3 andreas 175 
 
76 andreas 176 
    while ((index = xml.getNextElementFromIndex(index, &ename, &content, &attrs)) != TExpat::npos)
3 andreas 177 
    {
76 andreas 178 
        string e = ename;
3 andreas 179 
 
180 
        if (e.compare("pageID") == 0)
201 andreas 181 
            mPage.pageID = xml.convertElementToInt(content);
3 andreas 182 
        else if (e.compare("name") == 0)
201 andreas 183 
            mPage.name = content;
3 andreas 184 
        else if (e.compare("width") == 0)
201 andreas 185 
            mPage.width = xml.convertElementToInt(content);
3 andreas 186 
        else if (e.compare("height") == 0)
201 andreas 187 
            mPage.height = xml.convertElementToInt(content);
3 andreas 188 
        else if (e.compare("button") == 0)
189 
        {
190 
            TButton *button = new TButton();
204 andreas 191 
            TPageInterface::registerListCallback<TPage>(button, this);
198 andreas 192 
 
4 andreas 193 
            button->setPalette(mPalette);
201 andreas 194 
            button->setFonts(getFonts());
7 andreas 195 
            button->registerCallback(_displayButton);
21 andreas 196 
            button->regCallPlayVideo(_playVideo);
76 andreas 197 
            index = button->initialize(&xml, index);
201 andreas 198 
            button->setParentSize(mPage.width, mPage.height);
3 andreas 199 
 
200 
            if (TError::isError())
201 
            {
23 andreas 202 
                MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
3 andreas 203 
                delete button;
204 
                return;
205 
            }
206 
 
201 andreas 207 
            button->setHandle(((mPage.pageID << 16) & 0xffff0000) | button->getButtonIndex());
14 andreas 208 
            button->createButtons();
3 andreas 209 
            addButton(button);
76 andreas 210 
            index++;        // Jump over the end tag of the button.
3 andreas 211 
        }
212 
        else if (e.compare("sr") == 0)
213 
        {
214 
            SR_T bsr;
76 andreas 215 
            bsr.number = xml.getAttributeInt("number", attrs);
216 
            index++;
3 andreas 217 
 
76 andreas 218 
            while ((index = xml.getNextElementFromIndex(index, &ename, &content, &attrs)) != TExpat::npos)
3 andreas 219 
            {
220 
                if (ename.compare("bs") == 0)
76 andreas 221 
                    bsr.bs = content;
3 andreas 222 
                else if (ename.compare("cb") == 0)
76 andreas 223 
                    bsr.cb = content;
3 andreas 224 
                else if (ename.compare("cf") == 0)
76 andreas 225 
                    bsr.cf = content;
3 andreas 226 
                else if (ename.compare("ct") == 0)
76 andreas 227 
                    bsr.ct = content;
3 andreas 228 
                else if (ename.compare("ec") == 0)
76 andreas 229 
                    bsr.ec = content;
3 andreas 230 
                else if (ename.compare("bm") == 0)
76 andreas 231 
                    bsr.bm = content;
65 andreas 232 
                else if (ename.compare("mi") == 0)
76 andreas 233 
                    bsr.mi = content;
3 andreas 234 
                else if (ename.compare("fi") == 0)
76 andreas 235 
                    bsr.fi = xml.convertElementToInt(content);
55 andreas 236 
                else if (ename.compare("te") == 0)
76 andreas 237 
                    bsr.te = content;
55 andreas 238 
                else if (ename.compare("tx") == 0)
76 andreas 239 
                    bsr.tx = xml.convertElementToInt(content);
55 andreas 240 
                else if (ename.compare("ty") == 0)
76 andreas 241 
                    bsr.ty = xml.convertElementToInt(content);
55 andreas 242 
                else if (ename.compare("et") == 0)
76 andreas 243 
                    bsr.et = xml.convertElementToInt(content);
55 andreas 244 
                else if (ename.compare("ww") == 0)
76 andreas 245 
                    bsr.ww = xml.convertElementToInt(content);
55 andreas 246 
                else if (ename.compare("jt") == 0)
76 andreas 247 
                    bsr.jt = (Button::TEXT_ORIENTATION)xml.convertElementToInt(content);
65 andreas 248 
                else if (ename.compare("jb") == 0)
76 andreas 249 
                    bsr.jb = (Button::TEXT_ORIENTATION)xml.convertElementToInt(content);
3 andreas 250 
 
76 andreas 251 
                oldIndex = index;
3 andreas 252 
            }
253 
 
254 
            sr.push_back(bsr);
76 andreas 255 
 
256 
            if (index == TExpat::npos)
257 
                index = oldIndex + 1;
3 andreas 258 
        }
76 andreas 259 
    }
3 andreas 260 
 
204 andreas 261 
    setSR(sr);
262 
 
76 andreas 263 
    if (TStreamError::checkFilter(HLOG_DEBUG))
264 
    {
201 andreas 265 
        MSG_DEBUG("PageID: " << mPage.pageID);
266 
        MSG_DEBUG("Name  : " << mPage.name);
267 
        MSG_DEBUG("Width : " << mPage.width);
268 
        MSG_DEBUG("Height: " << mPage.height);
76 andreas 269 
 
270 
        vector<SR_T>::iterator iter;
271 
        size_t pos = 1;
272 
 
273 
        for (iter = sr.begin(); iter != sr.end(); ++iter)
274 
        {
275 
            MSG_DEBUG("   " << pos << ": bs: " << iter->bs);
276 
            MSG_DEBUG("   " << pos << ": cb: " << iter->cb);
277 
            MSG_DEBUG("   " << pos << ": cf: " << iter->cf);
278 
            MSG_DEBUG("   " << pos << ": ct: " << iter->ct);
279 
            MSG_DEBUG("   " << pos << ": ec: " << iter->ec);
280 
            MSG_DEBUG("   " << pos << ": bm: " << iter->bm);
281 
            MSG_DEBUG("   " << pos << ": mi: " << iter->mi);
282 
            MSG_DEBUG("   " << pos << ": fi: " << iter->fi);
283 
            pos++;
284 
        }
3 andreas 285 
    }
286 
 
203 andreas 287 
    if (TPageInterface::getButtons())
76 andreas 288 
        sortButtons();
3 andreas 289 
}
199 andreas 290 
 
43 andreas 291 
void TPage::addProgress()
292 
{
293 
    DECL_TRACER("TPage::addProgress()");
294 
 
295 
    if (!gPageManager)
296 
    {
297 
        MSG_WARNING("The page manager is still not initialized!");
298 
        return;
299 
    }
300 
 
301 
    Button::SR_T bsr;
201 andreas 302 
    mPage.pageID = 300;
303 
    mPage.name = "_progress";
217 andreas 304 
    mPage.width = gPageManager->getSettings()->getWidth();
201 andreas 305 
    mPage.height = gPageManager->getSettings()->getHeight();
306 
    double unit = (double)mPage.height / 10.0;
43 andreas 307 
    MSG_DEBUG("One unit is " << unit);
308 
    // Background of page
309 
    bsr.number = 1;
310 
    bsr.cf = "#106010ff";
311 
    bsr.ct = "#ffffffff";
312 
    bsr.cb = "#009000ff";
313 
    bsr.ec = "#ffffffff";
314 
    bsr.fi = 21;
315 
    sr.push_back(bsr);
316 
    // Text field 1 to show status messages
317 
    Button::EXTBUTTON_t bt;
195 andreas 318 
    bt.type = GENERAL;
43 andreas 319 
    bt.bi = 1;
320 
    bt.na = "Line1";
321 
    bt.tp = (int)(unit * 2.0);
201 andreas 322 
    bt.lt = (int)(((double)mPage.width - ((double)mPage.width / 100.0 * 80.0)) / 2.0);
323 
    bt.wt = (int)((double)mPage.width / 100.0 * 80.0);    // Line take 80% of available width
43 andreas 324 
    bt.ht = (int)(unit / 100.0 * 80.0);
325 
    MSG_DEBUG("Dimensions button 1: lt: " << bt.lt << ", tp: " << bt.tp << ", wt: " << bt.wt << ", ht: " << bt.ht);
326 
    bt.zo = 1;
327 
    bt.ap = 0;
328 
    bt.ad = 160;
329 
    bsr.cf = "#000000ff";
330 
    bt.sr.push_back(bsr);
331 
    bsr.number = 2;
332 
    bt.sr.push_back(bsr);
333 
    TButton *button = new TButton();
334 
    button->setPalette(mPalette);
201 andreas 335 
    button->setFonts(getFonts());
43 andreas 336 
    button->registerCallback(_displayButton);
337 
    button->regCallPlayVideo(_playVideo);
338 
    button->createSoftButton(bt);
201 andreas 339 
    button->setParentSize(mPage.width, mPage.height);
43 andreas 340 
 
341 
    if (TError::isError())
342 
    {
343 
        MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
344 
        delete button;
345 
        return;
346 
    }
347 
 
201 andreas 348 
    button->setHandle(((mPage.pageID << 16) & 0xffff0000) | bt.bi);
43 andreas 349 
    button->createButtons();
350 
    addButton(button);
351 
    // Text field 2 to show status messages
352 
    bt.bi = 2;
353 
    bt.na = "Line2";
354 
    bt.tp = (int)(unit * 7.0);
355 
    MSG_DEBUG("Dimensions button 2: lt: " << bt.lt << ", tp: " << bt.tp << ", wt: " << bt.wt << ", ht: " << bt.ht);
356 
    bt.zo = 2;
357 
    bt.ad = 161;
358 
    button = new TButton();
359 
    button->setPalette(mPalette);
201 andreas 360 
    button->setFonts(getFonts());
43 andreas 361 
    button->registerCallback(_displayButton);
362 
    button->regCallPlayVideo(_playVideo);
363 
    button->createSoftButton(bt);
201 andreas 364 
    button->setParentSize(mPage.width, mPage.height);
43 andreas 365 
 
366 
    if (TError::isError())
367 
    {
368 
        MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
369 
        delete button;
370 
        return;
371 
    }
372 
 
201 andreas 373 
    button->setHandle(((mPage.pageID << 16) & 0xffff0000) | bt.bi);
43 andreas 374 
    button->createButtons();
375 
    addButton(button);
376 
    // Progress bar 1 (overall status)
195 andreas 377 
    bt.type = BARGRAPH;
43 andreas 378 
    bt.bi = 3;
379 
    bt.na = "Bar1";
380 
    bt.tp = (int)(unit * 3.0);
201 andreas 381 
    bt.lt = (int)(((double)mPage.width - ((double)mPage.width / 100.0 * 80.0)) / 2.0);
382 
    bt.wt = (int)((double)mPage.width / 100.0 * 80.0);    // Line take 80% of available width
43 andreas 383 
    bt.ht = (int)unit;
384 
    MSG_DEBUG("Dimensions bargraph 1: lt: " << bt.lt << ", tp: " << bt.tp << ", wt: " << bt.wt << ", ht: " << bt.ht);
385 
    bt.zo = 3;
386 
    bt.ap = 0;
387 
    bt.ad = 162;
388 
    bt.lp = 0;
389 
    bt.lv = 162;
390 
    bt.rl = 1;
391 
    bt.rh = 100;
392 
    bt.sc = "#ffffffff";
393 
    bt.dr = "horizontal";
394 
    bsr.number = 1;
395 
    bsr.cf = "#0e0e0eff";
396 
    bsr.ct = "#ffffffff";
397 
    bsr.cb = "#009000ff";
398 
    bt.sr.clear();
399 
    bt.sr.push_back(bsr);
400 
    bsr.number = 2;
401 
    bsr.cf = "#ffffffff";
402 
    bt.sr.push_back(bsr);
403 
    button = new TButton();
404 
    button->setPalette(mPalette);
201 andreas 405 
    button->setFonts(getFonts());
43 andreas 406 
    button->registerCallback(_displayButton);
407 
    button->regCallPlayVideo(_playVideo);
408 
    button->createSoftButton(bt);
201 andreas 409 
    button->setParentSize(mPage.width, mPage.height);
43 andreas 410 
 
411 
    if (TError::isError())
412 
    {
413 
        MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
414 
        delete button;
415 
        return;
416 
    }
417 
 
203 andreas 418 
    button->setHandle(((mPage.pageID << 16) & 0xffff0000) | bt.bi);
43 andreas 419 
    button->createButtons();
420 
    addButton(button);
421 
    // Progress bar 2 (details)
422 
    bt.bi = 4;
423 
    bt.na = "Bar2";
424 
    bt.tp = (int)(unit * 5.0);
425 
    MSG_DEBUG("Dimensions bargraph 2: lt: " << bt.lt << ", tp: " << bt.tp << ", wt: " << bt.wt << ", ht: " << bt.ht);
426 
    bt.zo = 4;
427 
    bt.ad = 163;
428 
    bt.lv = 163;
429 
    button = new TButton();
430 
    button->setPalette(mPalette);
201 andreas 431 
    button->setFonts(getFonts());
43 andreas 432 
    button->registerCallback(_displayButton);
433 
    button->regCallPlayVideo(_playVideo);
434 
    button->createSoftButton(bt);
201 andreas 435 
    button->setParentSize(mPage.width, mPage.height);
43 andreas 436 
 
437 
    if (TError::isError())
438 
    {
439 
        MSG_WARNING("Button \"" << button->getButtonName() << "\" deleted because of an error!");
440 
        delete button;
441 
        return;
442 
    }
443 
 
201 andreas 444 
    button->setHandle(((mPage.pageID << 16) & 0xffff0000) | bt.bi);
43 andreas 445 
    button->createButtons();
446 
    addButton(button);
447 
}
448 
 
300 andreas 449 
SkBitmap& TPage::getBgImage()
450 
{
451 
    DECL_TRACER("TPage::getBgImage()");
452 
 
453 
    if (!mBgImage.empty())
454 
        return mBgImage;
455 
 
456 
    bool haveImage = false;
457 
    MSG_DEBUG("Creating image for page " << mPage.pageID << ": " << mPage.name);
458 
    SkBitmap target;
459 
 
460 
    if (!allocPixels(mPage.width, mPage.height, &target))
461 
        return mBgImage;
462 
 
463 
    target.eraseColor(TColor::getSkiaColor(mPage.sr[0].cf));
464 
    // Draw the background, if any
465 
    if (mPage.sr.size() > 0 && (!mPage.sr[0].bm.empty() || !mPage.sr[0].mi.empty()))
466 
    {
467 
        TDrawImage dImage;
468 
        dImage.setWidth(mPage.width);
469 
        dImage.setHeight(mPage.height);
470 
 
471 
        if (!mPage.sr[0].bm.empty())
472 
        {
473 
            MSG_DEBUG("Loading image " << mPage.sr[0].bm);
474 
            sk_sp<SkData> rawImage = readImage(mPage.sr[0].bm);
475 
            SkBitmap bm;
476 
 
477 
            if (rawImage)
478 
            {
479 
                MSG_DEBUG("Decoding image BM ...");
480 
 
481 
                if (!DecodeDataToBitmap(rawImage, &bm))
482 
                {
483 
                    MSG_WARNING("Problem while decoding image " << mPage.sr[0].bm);
484 
                }
485 
                else if (!bm.empty())
486 
                {
487 
                    dImage.setImageBm(bm);
488 
                    SkImageInfo info = bm.info();
489 
                    mPage.sr[0].bm_width = info.width();
490 
                    mPage.sr[0].bm_height = info.height();
491 
                    haveImage = true;
492 
                }
493 
                else
494 
                {
495 
                    MSG_WARNING("BM image " << mPage.sr[0].bm << " seems to be empty!");
496 
                }
497 
            }
498 
        }
499 
 
500 
        if (!mPage.sr[0].mi.empty())
501 
        {
502 
            MSG_DEBUG("Loading image " << mPage.sr[0].mi);
503 
            sk_sp<SkData> rawImage = readImage(mPage.sr[0].mi);
504 
            SkBitmap mi;
505 
 
506 
            if (rawImage)
507 
            {
508 
                MSG_DEBUG("Decoding image MI ...");
509 
 
510 
                if (!DecodeDataToBitmap(rawImage, &mi))
511 
                {
512 
                    MSG_WARNING("Problem while decoding image " << mPage.sr[0].mi);
513 
                }
514 
                else if (!mi.empty())
515 
                {
516 
                    dImage.setImageMi(mi);
517 
                    SkImageInfo info = mi.info();
518 
                    mPage.sr[0].mi_width = info.width();
519 
                    mPage.sr[0].mi_height = info.height();
520 
                    haveImage = true;
521 
                }
522 
                else
523 
                {
524 
                    MSG_WARNING("MI image " << mPage.sr[0].mi << " seems to be empty!");
525 
                }
526 
            }
527 
        }
528 
 
529 
        if (haveImage)
530 
        {
531 
            dImage.setSr(mPage.sr);
532 
 
533 
            if (!dImage.drawImage(&target))
534 
                return mBgImage;
535 
 
536 
            if (!mPage.sr[0].te.empty())
537 
            {
538 
                if (!drawText(mPage, &target))
539 
                    return mBgImage;
540 
            }
541 
 
542 
            if (mPage.sr[0].oo < 255 && mPage.sr[0].te.empty() && mPage.sr[0].bs.empty())
543 
                setOpacity(&target, mPage.sr[0].oo);
544 
 
545 
#ifdef _SCALE_SKIA_
546 
            size_t rowBytes = info.minRowBytes();
547 
            size_t size = info.computeByteSize(rowBytes);
548 
            SkImageInfo info = target.info();
549 
 
550 
            if (gPageManager && gPageManager->getScaleFactor() != 1.0)
551 
            {
552 
                SkPaint paint;
553 
                int left, top;
554 
 
555 
                paint.setBlendMode(SkBlendMode::kSrc);
556 
                paint.setFilterQuality(kHigh_SkFilterQuality);
557 
                // Calculate new dimension
558 
                double scaleFactor = gPageManager->getScaleFactor();
559 
                MSG_DEBUG("Using scale factor " << scaleFactor);
560 
                int lwidth = (int)((double)info.width() * scaleFactor);
561 
                int lheight = (int)((double)info.height() * scaleFactor);
562 
                int twidth = (int)((double)mPage.width * scaleFactor);
563 
                int theight = (int)((double)mPage.height * scaleFactor);
564 
                calcPosition(lwidth, lheight, &left, &top);
565 
                // Create a canvas and draw new image
566 
                sk_sp<SkImage> im = SkImage::MakeFromBitmap(target);
567 
 
568 
                if (!allocPixels(twidth, theight, &target))
569 
                    return;
570 
 
571 
                target.eraseColor(TColor::getSkiaColor(mPage.sr[0].cf));
572 
                SkCanvas can(target, SkSurfaceProps());
573 
                SkRect rect = SkRect::MakeXYWH(left, top, lwidth, lheight);
574 
                can.drawImageRect(im, rect, &paint);
575 
                MSG_DEBUG("Scaled size of background image: " << left << ", " << top << ", " << lwidth << ", " << lheight);
576 
            }
577 
#endif
578 
        }
579 
    }
580 
 
581 
    if (mPage.sr.size() > 0 && !mPage.sr[0].te.empty())
582 
    {
583 
        MSG_DEBUG("Drawing a text only on background image ...");
584 
 
585 
        if (drawText(mPage, &target))
586 
            haveImage = true;
587 
    }
588 
 
589 
    // Check for a frame and draw it if there is one.
590 
    if (!mPage.sr[0].bs.empty())
591 
    {
592 
        if (drawFrame(mPage, &target))
593 
            haveImage = true;
594 
    }
595 
 
596 
    if (haveImage)
597 
    {
598 
        if (mPage.sr[0].oo < 255)
599 
            setOpacity(&target, mPage.sr[0].oo);
600 
 
601 
        mBgImage = target;
602 
    }
603 
 
604 
    return mBgImage;
605 
}
606 
 
5 andreas 607 
void TPage::show()
608 
{
609 
    DECL_TRACER("TPage::show()");
610 
 
611 
    if (!_setBackground)
612 
    {
31 andreas 613 
        if (gPageManager && gPageManager->getCallbackBG())
614 
            _setBackground = gPageManager->getCallbackBG();
615 
        else
616 
        {
617 
            MSG_WARNING("No callback \"setBackground\" was set!");
618 
            return;
619 
        }
5 andreas 620 
    }
621 
 
217 andreas 622 
    bool haveImage = false;
201 andreas 623 
    ulong handle = (mPage.pageID << 16) & 0xffff0000;
624 
    MSG_DEBUG("Processing page " << mPage.pageID);
66 andreas 625 
    SkBitmap target;
254 andreas 626 
 
627 
    if (!allocPixels(mPage.width, mPage.height, &target))
628 
        return;
629 
 
66 andreas 630 
    target.eraseColor(TColor::getSkiaColor(sr[0].cf));
631 
    // Draw the background, if any
632 
    if (sr.size() > 0 && (!sr[0].bm.empty() || !sr[0].mi.empty()))
5 andreas 633 
    {
66 andreas 634 
        TDrawImage dImage;
201 andreas 635 
        dImage.setWidth(mPage.width);
636 
        dImage.setHeight(mPage.height);
5 andreas 637 
 
66 andreas 638 
        if (!sr[0].bm.empty())
5 andreas 639 
        {
66 andreas 640 
            MSG_DEBUG("Loading image " << sr[0].bm);
641 
            sk_sp<SkData> rawImage = readImage(sr[0].bm);
5 andreas 642 
            SkBitmap bm;
28 andreas 643 
 
66 andreas 644 
            if (rawImage)
645 
            {
646 
                MSG_DEBUG("Decoding image BM ...");
55 andreas 647 
 
66 andreas 648 
                if (!DecodeDataToBitmap(rawImage, &bm))
649 
                {
650 
                    MSG_WARNING("Problem while decoding image " << sr[0].bm);
651 
                }
652 
                else if (!bm.empty())
653 
                {
654 
                    dImage.setImageBm(bm);
655 
                    SkImageInfo info = bm.info();
656 
                    sr[0].bm_width = info.width();
657 
                    sr[0].bm_height = info.height();
658 
                    haveImage = true;
659 
                }
660 
                else
661 
                {
662 
                    MSG_WARNING("BM image " << sr[0].bm << " seems to be empty!");
663 
                }
664 
            }
665 
        }
666 
 
667 
        if (!sr[0].mi.empty())
668 
        {
669 
            MSG_DEBUG("Loading image " << sr[0].mi);
670 
            sk_sp<SkData> rawImage = readImage(sr[0].mi);
671 
            SkBitmap mi;
672 
 
673 
            if (rawImage)
674 
            {
675 
                MSG_DEBUG("Decoding image MI ...");
676 
 
677 
                if (!DecodeDataToBitmap(rawImage, &mi))
678 
                {
679 
                    MSG_WARNING("Problem while decoding image " << sr[0].mi);
680 
                }
681 
                else if (!mi.empty())
682 
                {
683 
                    dImage.setImageMi(mi);
684 
                    SkImageInfo info = mi.info();
685 
                    sr[0].mi_width = info.width();
686 
                    sr[0].mi_height = info.height();
687 
                    haveImage = true;
688 
                }
689 
                else
690 
                {
691 
                    MSG_WARNING("MI image " << sr[0].mi << " seems to be empty!");
692 
                }
693 
            }
694 
        }
695 
 
696 
        if (haveImage)
697 
        {
698 
            dImage.setSr(sr);
699 
 
700 
            if (!dImage.drawImage(&target))
701 
                return;
702 
 
55 andreas 703 
            if (!sr[0].te.empty())
704 
            {
201 andreas 705 
                if (!drawText(mPage, &target))
55 andreas 706 
                    return;
707 
            }
66 andreas 708 
 
43 andreas 709 
#ifdef _SCALE_SKIA_
26 andreas 710 
            if (gPageManager && gPageManager->getScaleFactor() != 1.0)
711 
            {
66 andreas 712 
                SkPaint paint;
713 
                int left, top;
289 andreas 714 
                SkImageInfo info = target.info();
66 andreas 715 
 
716 
                paint.setBlendMode(SkBlendMode::kSrc);
26 andreas 717 
                paint.setFilterQuality(kHigh_SkFilterQuality);
28 andreas 718 
                // Calculate new dimension
31 andreas 719 
                double scaleFactor = gPageManager->getScaleFactor();
720 
                MSG_DEBUG("Using scale factor " << scaleFactor);
721 
                int lwidth = (int)((double)info.width() * scaleFactor);
722 
                int lheight = (int)((double)info.height() * scaleFactor);
723 
                int twidth = (int)((double)width * scaleFactor);
724 
                int theight = (int)((double)height * scaleFactor);
66 andreas 725 
                calcPosition(lwidth, lheight, &left, &top);
28 andreas 726 
                // Create a canvas and draw new image
66 andreas 727 
                sk_sp<SkImage> im = SkImage::MakeFromBitmap(target);
254 andreas 728 
 
729 
                if (!allocPixels(twidth, theight, &target))
730 
                    return;
731 
 
66 andreas 732 
                target.eraseColor(TColor::getSkiaColor(sr[0].cf));
254 andreas 733 
                SkCanvas can(target, SkSurfaceProps());
66 andreas 734 
                SkRect rect = SkRect::MakeXYWH(left, top, lwidth, lheight);
735 
                can.drawImageRect(im, rect, &paint);
736 
                MSG_DEBUG("Scaled size of background image: " << left << ", " << top << ", " << lwidth << ", " << lheight);
26 andreas 737 
            }
43 andreas 738 
#endif
277 andreas 739 
/*
289 andreas 740 
            TBitmap image((unsigned char *)target.getPixels(), target.info().width(), target.info().height());
262 andreas 741 
#ifdef _OPAQUE_SKIA_
258 andreas 742 
            if (sr[0].te.empty() && sr[0].bs.empty())
289 andreas 743 
                _setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(sr[0].cf));
262 andreas 744 
#else
745 
            if (sr[0].te.empty() && sr[0].bs.empty())
289 andreas 746 
                _setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(sr[0].cf), sr[0].oo);
262 andreas 747 
#endif
277 andreas 748 
*/
5 andreas 749 
        }
750 
    }
66 andreas 751 
 
752 
    if (sr.size() > 0 && !sr[0].te.empty())
55 andreas 753 
    {
66 andreas 754 
        MSG_DEBUG("Drawing text on background image ...");
55 andreas 755 
 
258 andreas 756 
        if (drawText(mPage, &target))
757 
            haveImage = true;
758 
    }
55 andreas 759 
 
258 andreas 760 
    // Check for a frame and draw it if there is one.
761 
    if (!sr[0].bs.empty())
762 
    {
763 
        if (drawFrame(mPage, &target))
764 
            haveImage = true;
765 
    }
766 
 
767 
    if (haveImage)
768 
    {
66 andreas 769 
        SkImageInfo info = target.info();
289 andreas 770 
        TBitmap image((unsigned char *)target.getPixels(), info.width(), info.height());
262 andreas 771 
#ifdef _OPAQUE_SKIA_
289 andreas 772 
        _setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(sr[0].cf));
262 andreas 773 
#else
289 andreas 774 
        _setBackground(handle, image, target.info().width(), target.info().height(), TColor::getColor(sr[0].cf), sr[0].oo);
262 andreas 775 
#endif
55 andreas 776 
    }
258 andreas 777 
    else if (sr.size() > 0 && !haveImage)
5 andreas 778 
    {
26 andreas 779 
        MSG_DEBUG("Calling \"setBackground\" with no image ...");
262 andreas 780 
#ifdef _OPAQUE_SKIA_
289 andreas 781 
        _setBackground(handle, TBitmap(), 0, 0, TColor::getColor(sr[0].cf));
262 andreas 782 
#else
289 andreas 783 
        _setBackground(handle, TBitmap(), 0, 0, TColor::getColor(sr[0].cf), sr[0].oo);
262 andreas 784 
#endif
5 andreas 785 
    }
786 
 
26 andreas 787 
    // Draw the buttons
201 andreas 788 
    BUTTONS_T *button = TPageInterface::getButtons();
26 andreas 789 
 
790 
    while (button)
791 
    {
792 
        if (button->button)
793 
        {
794 
            MSG_DEBUG("Drawing button " << button->button->getButtonIndex() << ": " << button->button->getButtonName());
795 
            button->button->registerCallback(_displayButton);
796 
            button->button->regCallPlayVideo(_playVideo);
204 andreas 797 
            TPageInterface::registerListCallback<TPage>(button->button, this);
201 andreas 798 
            button->button->setFonts(getFonts());
26 andreas 799 
            button->button->setPalette(mPalette);
800 
            button->button->createButtons();
801 
 
802 
            if (sr.size() > 0)
803 
                button->button->setGlobalOpacity(sr[0].oo);
804 
 
805 
            button->button->show();
806 
        }
807 
 
808 
        button = button->next;
809 
    }
810 
 
66 andreas 811 
    // Mark page as visible
14 andreas 812 
    mVisible = true;
271 andreas 813 
 
814 
    if (gPageManager && gPageManager->getPageFinished())
815 
        gPageManager->getPageFinished()(handle);
5 andreas 816 
}
817 
 
3 andreas 818 
PAGECHAIN_T *TPage::addSubPage(TSubPage* pg)
819 
{
14 andreas 820 
    DECL_TRACER("TPage::addSubPage(TSubPage* pg)");
3 andreas 821 
 
822 
    if (!pg)
823 
    {
824 
        MSG_ERROR("Parameter is NULL!");
825 
        TError::setError();
826 
        return nullptr;
827 
    }
828 
 
829 
    PAGECHAIN_T *chain = new PAGECHAIN_T;
830 
    chain->subpage = pg;
14 andreas 831 
    chain->next = nullptr;
154 andreas 832 
    chain->prev = nullptr;
14 andreas 833 
    PAGECHAIN_T *spg = mSubPages;
3 andreas 834 
 
14 andreas 835 
    if (spg)
3 andreas 836 
    {
14 andreas 837 
        // First make sure that the new page is not already in the chain.
838 
        PAGECHAIN_T *p = spg;
3 andreas 839 
 
14 andreas 840 
        while (p)
13 andreas 841 
        {
842 
            if (p->subpage->getNumber() == pg->getNumber())
843 
            {
14 andreas 844 
                MSG_TRACE("Page " << pg->getNumber() << " is already in chain. Don't add it again.");
13 andreas 845 
                delete chain;
846 
                return p;
847 
            }
848 
 
3 andreas 849 
            p = p->next;
13 andreas 850 
        }
3 andreas 851 
 
14 andreas 852 
        // The subpage is not in chain. So we add it now.
853 
        p = spg;
854 
        // Find the last element in chain
40 andreas 855 
        while (p && p->next)
14 andreas 856 
            p = p->next;
857 
 
3 andreas 858 
        p->next = chain;
154 andreas 859 
        chain->prev = p;
3 andreas 860 
    }
861 
    else
14 andreas 862 
    {
863 
        mZOrder = 0;
3 andreas 864 
        mSubPages = chain;
14 andreas 865 
    }
3 andreas 866 
 
5 andreas 867 
    mLastSubPage = 0;
3 andreas 868 
    return chain;
869 
}
870 
 
871 
bool TPage::removeSubPage(int ID)
872 
{
873 
    DECL_TRACER("TPage::removeSubPage(int ID)");
874 
 
875 
    PAGECHAIN_T *p = mSubPages;
876 
    PAGECHAIN_T *prev = nullptr;
877 
 
878 
    while (p)
879 
    {
880 
        if (p->subpage->getNumber() == ID)
881 
        {
882 
            PAGECHAIN_T *next = p->next;
883 
 
884 
            if (prev)
154 andreas 885 
            {
3 andreas 886 
                prev->next = next;
154 andreas 887 
                next->prev = prev;
888 
            }
3 andreas 889 
            else
154 andreas 890 
            {
3 andreas 891 
                mSubPages = next;
154 andreas 892 
                mSubPages->prev = nullptr;
893 
            }
3 andreas 894 
 
895 
            delete p;
5 andreas 896 
            mLastSubPage = 0;
3 andreas 897 
            return true;
898 
        }
899 
 
900 
        prev = p;
901 
        p = p->next;
902 
    }
903 
 
904 
    return false;
905 
}
906 
 
907 
bool TPage::removeSubPage(const std::string& nm)
908 
{
909 
    DECL_TRACER("TPage::removeSubPage(const std::string& nm)");
910 
 
911 
    PAGECHAIN_T *p = mSubPages;
912 
    PAGECHAIN_T *prev = nullptr;
913 
 
914 
    while (p)
915 
    {
916 
        if (p->subpage->getName().compare(nm) == 0)
917 
        {
918 
            PAGECHAIN_T *next = p->next;
919 
 
920 
            if (prev)
154 andreas 921 
            {
3 andreas 922 
                prev->next = next;
154 andreas 923 
                next->prev = prev;
924 
            }
3 andreas 925 
            else
154 andreas 926 
            {
3 andreas 927 
                mSubPages = next;
154 andreas 928 
                mSubPages->prev = nullptr;
929 
            }
3 andreas 930 
 
931 
            delete p;
5 andreas 932 
            mLastSubPage = 0;
3 andreas 933 
            return true;
934 
        }
935 
 
936 
        prev = p;
937 
        p = p->next;
938 
    }
939 
 
940 
    return false;
941 
}
942 
 
4 andreas 943 
TSubPage *TPage::getSubPage(int pageID)
944 
{
945 
    DECL_TRACER("TPage::getSubPage(int pageID)");
946 
 
947 
    PAGECHAIN_T *pg = mSubPages;
948 
 
949 
    while (pg)
950 
    {
951 
        if (pg->subpage->getNumber() == pageID)
952 
        {
953 
            mLastSubPage = pageID;
954 
            return pg->subpage;
955 
        }
956 
 
957 
        pg = pg->next;
958 
    }
959 
 
5 andreas 960 
    mLastSubPage = 0;
4 andreas 961 
    return nullptr;
962 
}
963 
 
964 
TSubPage *TPage::getSubPage(const std::string& name)
965 
{
966 
    DECL_TRACER("TPage::getSubPage(const std::string& name)");
967 
 
968 
    PAGECHAIN_T *pg = mSubPages;
969 
 
970 
    while (pg)
971 
    {
972 
        if (pg->subpage->getName().compare(name) == 0)
973 
        {
14 andreas 974 
            mLastSubPage = pg->subpage->getNumber();
4 andreas 975 
            return pg->subpage;
976 
        }
977 
 
978 
        pg = pg->next;
979 
    }
980 
 
5 andreas 981 
    mLastSubPage = 0;
4 andreas 982 
    return nullptr;
983 
}
984 
 
985 
TSubPage *TPage::getFirstSubPage()
986 
{
987 
    DECL_TRACER("TPage::getFirstSubPage()");
988 
 
14 andreas 989 
    PAGECHAIN_T *pg = mSubPages;
990 
 
154 andreas 991 
    if (pg && pg->subpage)
4 andreas 992 
    {
154 andreas 993 
        mLastSubPage = pg->subpage->getNumber();
994 
        MSG_DEBUG("Subpage (Z: " << pg->subpage->getZOrder() << "): " << pg->subpage->getNumber() << ". " << pg->subpage->getName());
995 
        return pg->subpage;
4 andreas 996 
    }
997 
 
14 andreas 998 
    MSG_DEBUG("No subpages in chain.");
5 andreas 999 
    mLastSubPage = 0;
4 andreas 1000 
    return nullptr;
1001 
}
1002 
 
1003 
TSubPage *TPage::getNextSubPage()
1004 
{
1005 
    DECL_TRACER("TPage::getNextSubPage()");
1006 
 
154 andreas 1007 
    if (mLastSubPage > 0 && mSubPages)
4 andreas 1008 
    {
1009 
        PAGECHAIN_T *p = mSubPages;
1010 
 
1011 
        while (p)
1012 
        {
289 andreas 1013 
            if (p->subpage && p->subpage->getNumber() == mLastSubPage)
4 andreas 1014 
            {
14 andreas 1015 
                if (p->next && p->next->subpage)
4 andreas 1016 
                {
14 andreas 1017 
                    TSubPage *page = p->next->subpage;
1018 
                    mLastSubPage = page->getNumber();
151 andreas 1019 
                    MSG_DEBUG("Subpage (Z: " << page->getZOrder() << "): " << page->getNumber() << ". " << page->getName());
14 andreas 1020 
                    return page;
4 andreas 1021 
                }
1022 
            }
1023 
 
1024 
            p = p->next;
1025 
        }
1026 
    }
1027 
 
14 andreas 1028 
    MSG_DEBUG("No more subpages in chain.");
5 andreas 1029 
    mLastSubPage = 0;
4 andreas 1030 
    return nullptr;
1031 
}
1032 
 
154 andreas 1033 
TSubPage *TPage::getPrevSubPage()
1034 
{
1035 
    DECL_TRACER("TPage::getPrevSubPage()");
1036 
 
1037 
    if (mLastSubPage < MAX_PAGE_ID || !mSubPages)
1038 
        return nullptr;
1039 
 
1040 
    PAGECHAIN_T *pg = mSubPages;
1041 
 
1042 
    while (pg)
1043 
    {
1044 
        if (pg->subpage->getNumber() == mLastSubPage)
1045 
        {
1046 
            if (!pg->prev)
1047 
            {
1048 
                mLastSubPage = 0;
1049 
                MSG_DEBUG("No more subpages in chain.");
1050 
                return nullptr;
1051 
            }
1052 
 
1053 
            mLastSubPage = pg->prev->subpage->getNumber();
1054 
            return pg->prev->subpage;
1055 
        }
1056 
 
1057 
        pg = pg->next;
1058 
    }
1059 
 
1060 
    MSG_DEBUG("No more subpages in chain.");
1061 
    mLastSubPage = 0;
1062 
    return nullptr;
1063 
}
1064 
 
1065 
TSubPage *TPage::getLastSubPage()
1066 
{
1067 
    DECL_TRACER("TPage::getLastSubPage()");
1068 
 
1069 
    if (!mSubPages)
1070 
    {
1071 
        mLastSubPage = 0;
1072 
        MSG_DEBUG("No subpages in cache!");
1073 
        return nullptr;
1074 
    }
1075 
 
1076 
    PAGECHAIN_T *pg = mSubPages;
1077 
 
1078 
    while (pg && pg->next)
1079 
        pg = pg->next;
1080 
 
1081 
    mLastSubPage = pg->subpage->getNumber();
1082 
    return pg->subpage;
1083 
}
1084 
 
12 andreas 1085 
void TPage::drop()
1086 
{
1087 
    DECL_TRACER("TPage::drop()");
1088 
 
1089 
    PAGECHAIN_T *pc = mSubPages;
14 andreas 1090 
 
147 andreas 1091 
    // remove all subpages, if there are any
12 andreas 1092 
    while (pc)
1093 
    {
295 andreas 1094 
        if (pc->subpage)
1095 
        {
1096 
            MSG_DEBUG("Dropping popup " << pc->subpage->getNumber() << ": " << pc->subpage->getName());
1097 
            pc->subpage->drop();
1098 
        }
1099 
 
12 andreas 1100 
        pc = pc->next;
1101 
    }
14 andreas 1102 
 
147 andreas 1103 
    // remove all buttons, if there are any
201 andreas 1104 
    BUTTONS_T *bt = TPageInterface::getButtons();
147 andreas 1105 
 
1106 
    while (bt)
1107 
    {
271 andreas 1108 
        MSG_DEBUG("Dropping button " << handleToString(bt->button->getHandle()));
1109 
//        bt->button->hide(true);
1110 
        bt->button->invalidate();
147 andreas 1111 
        bt = bt->next;
1112 
    }
1113 
 
271 andreas 1114 
    if (gPageManager && gPageManager->getCallDropPage())
1115 
    {
1116 
        ulong handle = (mPage.pageID << 16) & 0xffff0000;
1117 
        gPageManager->getCallDropPage()(handle);
1118 
    }
1119 
 
14 andreas 1120 
    mZOrder = ZORDER_INVALID;
1121 
    mVisible = false;
12 andreas 1122 
}
43 andreas 1123 
#ifdef _SCALE_SKIA_
31 andreas 1124 
void TPage::calcPosition(int im_width, int im_height, int *left, int *top, bool scale)
43 andreas 1125 
#else
1126 
void TPage::calcPosition(int im_width, int im_height, int *left, int *top)
1127 
#endif
28 andreas 1128 
{
1129 
    DECL_TRACER("TPage::calcPosition(int im_width, int im_height, int *left, int *top)");
1130 
 
201 andreas 1131 
    int nw = mPage.width;
1132 
    int nh = mPage.height;
43 andreas 1133 
#ifdef _SCALE_SKIA_
31 andreas 1134 
    if (scale && gPageManager && gPageManager->getScaleFactor() != 1.0)
28 andreas 1135 
    {
1136 
        nw = (int)((double)width * gPageManager->getScaleFactor());
1137 
        nh = (int)((double)height * gPageManager->getScaleFactor());
1138 
    }
43 andreas 1139 
#endif
28 andreas 1140 
    switch (sr[0].jb)
1141 
    {
1142 
        case 0: // absolute position
1143 
            *left = sr[0].bx;
1144 
            *top = sr[0].by;
43 andreas 1145 
#ifdef _SCALE_SKIA_
31 andreas 1146 
            if (scale && gPageManager && gPageManager->getScaleFactor() != 1.0)
28 andreas 1147 
            {
1148 
                *left = (int)((double)sr[0].bx * gPageManager->getScaleFactor());
1149 
                *left = (int)((double)sr[0].by * gPageManager->getScaleFactor());
1150 
            }
43 andreas 1151 
#endif
28 andreas 1152 
        break;
1153 
 
1154 
        case 1: // top, left
1155 
            *left = 0;
1156 
            *top = 0;
1157 
        break;
1158 
 
1159 
        case 2: // center, top
1160 
            *left = (nw - im_width) / 2;
1161 
            *top = 0;
1162 
        break;
1163 
 
1164 
        case 3: // right, top
1165 
            *left = nw - im_width;
1166 
            *top = 0;
1167 
        break;
1168 
 
1169 
        case 4: // left, middle
1170 
            *left = 0;
1171 
            *top = (nh - im_height) / 2;
1172 
        break;
1173 
 
1174 
        case 6: // right, middle
1175 
            *left = nw - im_width;
1176 
            *top = (nh - im_height) / 2;
1177 
        break;
1178 
 
1179 
        case 7: // left, bottom
1180 
            *left = 0;
1181 
            *top = nh - im_height;
1182 
        break;
1183 
 
1184 
        case 8: // center, bottom
1185 
            *left = (nw - im_width) / 2;
1186 
            *top = nh - im_height;
1187 
        break;
1188 
 
1189 
        case 9: // right, bottom
1190 
            *left = nw - im_width;
1191 
            *top = nh - im_height;
1192 
        break;
31 andreas 1193 
 
1194 
        default:    // center middle
1195 
            *left = (nw - im_width) / 2;
1196 
            *top = (nh - im_height) / 2;
28 andreas 1197 
    }
1198 
 
1199 
    if (*left < 0)
1200 
        *left = 0;
1201 
 
1202 
    if (*top < 0)
1203 
        *top = 0;
1204 
}
1205 
 
151 andreas 1206 
void TPage::sortSubpages()
1207 
{
1208 
    DECL_TRACER("TPage::sortSubpage()");
1209 
 
154 andreas 1210 
    PAGECHAIN_T *pages = nullptr;
1211 
    bool turned = false;
151 andreas 1212 
 
154 andreas 1213 
    // Here we do a simple bubble sort to bring the subpages in ascending Z-order
1214 
    do
151 andreas 1215 
    {
154 andreas 1216 
        turned = false;
1217 
        pages = mSubPages;
151 andreas 1218 
 
154 andreas 1219 
        while (pages && pages->next)
1220 
        {
1221 
            int actZ = 0;
1222 
            int nextZ = 0;
151 andreas 1223 
 
154 andreas 1224 
            if (pages->next->subpage && pages->subpage)
1225 
            {
1226 
                nextZ = pages->next->subpage->getZOrder();
1227 
                actZ = pages->subpage->getZOrder();
1228 
            }
151 andreas 1229 
 
154 andreas 1230 
            if (actZ > nextZ)   // Turn?
1231 
            {                   // Yes, then change only pointers to subpages
1232 
                TSubPage *sp = pages->next->subpage;
151 andreas 1233 
 
154 andreas 1234 
                pages->next->subpage = pages->subpage;
1235 
                pages->subpage = sp;
1236 
                turned = true;
1237 
            }
1238 
 
1239 
            pages = pages->next;
1240 
        }
1241 
    }
1242 
    while (turned);
151 andreas 1243 
}
1244 
 
152 andreas 1245 
int TPage::getNextZOrder()
1246 
{
1247 
    DECL_TRACER("TPage::getNextZOrder()");
1248 
 
1249 
    // Find highest z-order number
1250 
    PAGECHAIN_T *pages = mSubPages;
154 andreas 1251 
    int cnt = 0;
152 andreas 1252 
 
1253 
    while(pages)
1254 
    {
154 andreas 1255 
        if (pages->subpage->getZOrder() != ZORDER_INVALID)
1256 
        {
1257 
            cnt++;
1258 
            pages->subpage->setZOrder(cnt);
1259 
        }
152 andreas 1260 
 
1261 
        pages = pages->next;
1262 
    }
1263 
 
154 andreas 1264 
    mZOrder = cnt + 1;
152 andreas 1265 
    MSG_DEBUG("New Z-order: " << mZOrder);
1266 
    return mZOrder;
1267 
}
1268 
 
151 andreas 1269 
int TPage::decZOrder()
1270 
{
1271 
    DECL_TRACER("TPage::decZOrder()");
1272 
 
1273 
    // Find highest z-order number
1274 
    PAGECHAIN_T *pages = mSubPages;
1275 
    int z = 0;
1276 
 
1277 
    while(pages)
1278 
    {
154 andreas 1279 
        if (pages->subpage->getZOrder() != ZORDER_INVALID)
1280 
        {
1281 
            z++;
1282 
            pages->subpage->setZOrder(z);
1283 
        }
151 andreas 1284 
 
1285 
        pages = pages->next;
1286 
    }
1287 
 
1288 
    mZOrder = z;
1289 
    return mZOrder;
1290 
}