1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
#include <QtCore/qmath.h>
#include <QDebug>
#include <QPainter>
#include <QDesktopWidget>
#include <QApplication>
#include <QTableView>
#include <QHeaderView>
#include "mainwindow.h"
#include "profilegraphics.h"
#include "printlayout.h"
#include "../dive.h"
#include "../display.h"
#include "models.h"
/*
struct options {
enum { PRETTY, TABLE, TWOPERPAGE } type;
int print_selected;
int color_selected;
bool notes_up;
int profile_height, notes_height, tanks_height;
};
*/
PrintLayout::PrintLayout(PrintDialog *dialogPtr, QPrinter *printerPtr, struct options *optionsPtr)
{
dialog = dialogPtr;
printer = printerPtr;
painter = NULL;
printOptions = optionsPtr;
// table print settings
tablePrintHeadingBackground = 0xffeeeeee;
tablePrintColumnNames.append(tr("Dive#"));
tablePrintColumnNames.append(tr("Date"));
tablePrintColumnNames.append(tr("Depth"));
tablePrintColumnNames.append(tr("Duration"));
tablePrintColumnNames.append(tr("Master"));
tablePrintColumnNames.append(tr("Buddy"));
tablePrintColumnNames.append(tr("Location"));
tablePrintColumnWidths.append(7);
tablePrintColumnWidths.append(10);
tablePrintColumnWidths.append(10);
tablePrintColumnWidths.append(10);
tablePrintColumnWidths.append(15);
tablePrintColumnWidths.append(15);
tablePrintColumnWidths.append(33);
}
void PrintLayout::print()
{
// we call setup each time to check if the printer properties have changed
setup();
switch (printOptions->type) {
case options::PRETTY:
printProfileDives(3, 2);
break;
case options::TWOPERPAGE:
printProfileDives(2, 1);
break;
case options::TABLE:
printTable();
break;
}
}
void PrintLayout::setup()
{
QDesktopWidget *desktop = QApplication::desktop();
screenDpiX = desktop->physicalDpiX();
screenDpiY = desktop->physicalDpiY();
printerDpi = printer->resolution();
pageRect = printer->pageRect();
scaleX = (qreal)printerDpi/(qreal)screenDpiX;
scaleY = (qreal)printerDpi/(qreal)screenDpiY;
// a printer page scalled to screen DPI
scaledPageW = pageRect.width() / scaleX;
scaledPageH = pageRect.height() / scaleY;
}
void PrintLayout::printProfileDives(int divesPerRow, int divesPerColumn)
{
// setup a painter
painter = new QPainter();
painter->begin(printer);
painter->setRenderHint(QPainter::Antialiasing);
painter->setRenderHint(QPainter::SmoothPixmapTransform);
painter->scale(scaleX, scaleY);
// setup the profile widget
ProfileGraphicsView *profile = mainWindow()->graphics();
profile->clear();
profile->setPrintMode(true, !printOptions->color_selected);
QSize originalSize = profile->size();
// swap rows/col for landscape
if (printer->orientation() == QPrinter::Landscape) {
int swap = divesPerColumn;
divesPerColumn = divesPerRow;
divesPerRow = swap;
}
// estimate profile and table height and resize the widget
const int scaledW = scaledPageW / divesPerColumn;
const int scaledH = scaledPageH / divesPerRow;
/* make the table 1/3 of the reserved height. potentially this could depend
* on orientation and other parameters as well. */
const int tableHeight = scaledH / 3;
profile->resize(scaledW, scaledH - tableHeight);
// plot the dives at specific rows and columns
int i, row = 0, col = 0;
struct dive *dive;
for_each_dive(i, dive) {
if (!dive->selected && printOptions->print_selected)
continue;
if (col == divesPerColumn) {
col = 0;
row++;
if (row == divesPerRow) {
row = 0;
printer->newPage();
}
}
profile->plot(dive, true);
QPixmap pm = QPixmap::grabWidget(profile);
painter->drawPixmap(scaledW * col, scaledH * row, pm);
/* TODO: table should be drawn here, preferably by another function */
col++;
}
// cleanup
painter->end();
delete painter;
painter = NULL;
profile->setPrintMode(false);
profile->resize(originalSize);
profile->clear();
profile->plot(current_dive, true);
}
void PrintLayout::printTable()
{
// create and setup a table
QTableView table;
table.setAttribute(Qt::WA_DontShowOnScreen);
table.setSelectionMode(QAbstractItemView::NoSelection);
table.setFocusPolicy(Qt::NoFocus);
table.horizontalHeader()->setVisible(false);
table.horizontalHeader()->setResizeMode(QHeaderView::Fixed);
table.verticalHeader()->setVisible(false);
table.verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
table.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
table.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
// fit table to one page initially
table.resize(scaledPageW, scaledPageH);
// create and fill a table model
TablePrintModel model;
struct dive *dive;
int i, row = 0;
addTablePrintHeadingRow(&model, row); // add one heading row
row++;
for_each_dive(i, dive) {
if (!dive->selected && printOptions->print_selected)
continue;
addTablePrintDataRow(&model, row, dive);
row++;
}
table.setModel(&model); // set model to table
// resize columns to percentages from page width
for (int i = 0; i < model.columns; i++) {
int pw = qCeil((qreal)(tablePrintColumnWidths.at(i) * table.width()) / 100);
table.horizontalHeader()->resizeSection(i, pw);
}
// reset the model at this point
model.callReset();
// a list of vertical offsets where pages begin and some helpers
QList<unsigned int> pageIndexes;
pageIndexes.append(0);
int tableHeight = 0, rowH = 0, accH = 0;
// process all rows
for (int i = 0; i < model.rows; i++) {
rowH = table.rowHeight(i);
accH += rowH;
if (accH > scaledPageH) { // push a new page index and add a heading
pageIndexes.append(pageIndexes.last() + (accH - rowH));
addTablePrintHeadingRow(&model, i);
accH = 0;
i--;
}
tableHeight += rowH;
}
pageIndexes.append(pageIndexes.last() + accH);
// resize the whole widget so that it can be rendered
table.resize(scaledPageW, tableHeight);
// attach a painter and render pages by using pageIndexes
QPainter painter(printer);
painter.setRenderHint(QPainter::Antialiasing);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
painter.scale(scaleX, scaleY);
for (int i = 0; i < pageIndexes.size() - 1; i++) {
if (i > 0)
printer->newPage();
QRegion region(0, pageIndexes.at(i) - 1,
table.width(),
pageIndexes.at(i + 1) - pageIndexes.at(i) + 2);
table.render(&painter, QPoint(0, 0), region);
}
}
void PrintLayout::addTablePrintDataRow(TablePrintModel *model, int row, struct dive *dive) const
{
struct DiveItem di;
di.dive = dive;
model->insertRow();
model->setData(model->index(row, 0), QString::number(dive->number), Qt::DisplayRole);
model->setData(model->index(row, 1), di.displayDate(), Qt::DisplayRole);
model->setData(model->index(row, 2), di.displayDepth(), Qt::DisplayRole);
model->setData(model->index(row, 3), di.displayDuration(), Qt::DisplayRole);
model->setData(model->index(row, 4), dive->divemaster, Qt::DisplayRole);
model->setData(model->index(row, 5), dive->buddy, Qt::DisplayRole);
model->setData(model->index(row, 6), dive->location, Qt::DisplayRole);
}
void PrintLayout::addTablePrintHeadingRow(TablePrintModel *model, int row) const
{
model->insertRow(row);
for (int i = 0; i < model->columns; i++) {
model->setData(model->index(row, i), tablePrintColumnNames.at(i), Qt::DisplayRole);
model->setData(model->index(row, i), tablePrintHeadingBackground, Qt::BackgroundRole);
}
}
// experimental
QPixmap PrintLayout::convertPixmapToGrayscale(QPixmap pixmap) const
{
QImage image = pixmap.toImage();
int gray, width = pixmap.width(), height = pixmap.height();
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
gray = qGray(image.pixel(i, j));
image.setPixel(i, j, qRgb(gray, gray, gray));
}
}
return pixmap.fromImage(image);
}
|
