public boolean saveImage(String fileName, String fileFormat) {
QImage visibleImage = image;
visibleImage = resizeImage(visibleImage, size());
if (visibleImage.save(fileName, fileFormat)) {
modified = false;
return true;
} else {
return false;
}
}
private void changeIcon() {
QIcon icon = new QIcon();
for (int row = 0; row < imagesTable.rowCount(); ++row) {
QTableWidgetItem item0 = imagesTable.item(row, 0);
QTableWidgetItem item1 = imagesTable.item(row, 1);
QTableWidgetItem item2 = imagesTable.item(row, 2);
if (item0.checkState() == Qt.CheckState.Checked) {
QIcon.Mode mode;
if (item1.text().equals(tr("Normal"))) {
mode = QIcon.Mode.Normal;
} else if (item1.text().equals(tr("Active"))) {
mode = QIcon.Mode.Active;
} else if (item1.text().equals(tr("Disabled"))) {
mode = QIcon.Mode.Disabled;
} else {
mode = QIcon.Mode.Selected;
}
QIcon.State state;
if (item2.text().equals(tr("On"))) {
state = QIcon.State.On;
} else {
state = QIcon.State.Off;
}
String fileName = (String) item0.data(Qt.ItemDataRole.UserRole);
QImage image = new QImage(fileName);
if (!image.isNull()) icon.addPixmap(QPixmap.fromImage(image), mode, state);
}
}
previewArea.setIcon(icon);
}
public QImage resizeImage(QImage image, QSize newSize) {
if (image.size() == newSize) return image;
QImage newImage = new QImage(newSize, QImage.Format.Format_RGB32);
newImage.fill(new QColor(Qt.GlobalColor.white).rgb());
QPainter painter = new QPainter(newImage);
painter.drawImage(new QPoint(0, 0), image);
painter.end();
return newImage;
}
private static QImage makeShade(QImage image, boolean highlight, boolean darker) {
double shade_alpha = 0.8;
double shade_size = 0.2;
double hl_pos = GOLDEN_MEAN;
QColor shade_color = QColor.fromRgbF(0, 0, 0, shade_alpha);
QColor transparent = darker ? QColor.fromRgbF(0, 0, 0, 0.25) : QColor.fromRgbF(0, 0, 0, 0);
QColor hl_color = QColor.fromRgbF(1, 1, 1, 0.7);
image = image.copy();
QPainter p = new QPainter();
p.begin(image);
p.scale(image.width(), image.height());
QLinearGradient lg = new QLinearGradient(0, 0, 1, 0);
lg.setColorAt(0, shade_color);
lg.setColorAt(shade_size, transparent);
if (highlight) lg.setColorAt(hl_pos, hl_color);
lg.setColorAt(1 - shade_size, transparent);
lg.setColorAt(1, shade_color);
p.fillRect(0, 0, 1, 1, new QBrush(lg));
if (highlight) {
QRadialGradient rg = new QRadialGradient(hl_pos, 1 - hl_pos, 0.4, hl_pos, 1 - hl_pos);
rg.setColorAt(0, hl_color);
rg.setColorAt(1, transparent);
p.fillRect(0, 0, 1, 1, new QBrush(rg));
}
p.end();
return image;
}
@Override
protected void resizeEvent(QResizeEvent event) {
if (width() > image.width() || height() > image.height()) {
int newWidth = Math.max(width() + 128, image.width());
int newHeight = Math.max(height() + 128, image.height());
image = resizeImage(image, new QSize(newWidth, newHeight));
update();
}
super.resizeEvent(event);
}
public boolean openImage(String fileName) {
QImage loadedImage = new QImage();
if (!loadedImage.load(fileName)) return false;
QSize newSize = loadedImage.size().expandedTo(size());
loadedImage = resizeImage(loadedImage, newSize);
image = loadedImage;
modified = false;
update();
return true;
}
public void print() {
QPrinter printer = new QPrinter(QPrinter.PrinterMode.HighResolution);
QPrintDialog printDialog = new QPrintDialog(printer, this);
if (printDialog.exec() == QDialog.DialogCode.Accepted.value()) {
QPainter painter = new QPainter(printer);
QRect rect = painter.viewport();
QSize size = image.size();
size.scale(rect.size(), Qt.AspectRatioMode.KeepAspectRatio);
painter.setViewport(rect.x(), rect.y(), size.width(), size.height());
painter.setWindow(image.rect());
painter.drawImage(0, 0, image);
painter.end();
}
}
public static QImage qoffeyLogo(int size) {
int warp = size / 5;
QImage bg_image = null, fg_image = null;
{
QImage image = qtLogoImage(size, size, false);
QImage shade = makeShade(image, false, true);
bg_image = warpImage(shade, warp, -1);
}
{
QImage image = qtLogoImage(size, size, true);
QImage shade = makeShade(image, true, false);
fg_image = warpImage(shade, warp, 1);
}
QImage cup = composeCup(bg_image, fg_image, size, warp);
return cup.scaledToWidth(size, Qt.TransformationMode.SmoothTransformation);
}
private static QImage warpImage(QImage src, int warp, int sign) {
int w = src.width();
int ppl = src.bytesPerLine() / 4;
int srch = src.height();
int desth = srch + warp;
QImage dest = new QImage(w, desth, QImage.Format.Format_ARGB32_Premultiplied);
dest.fill(0);
QNativePointer sbits = src.bits();
QNativePointer dbits = dest.bits();
sbits.setVerificationEnabled(false);
dbits.setVerificationEnabled(false);
double r = w / 2.0;
int extra_offset = sign >= 0 ? 0 : warp;
for (int x = 0; x < w; ++x) {
int oset = (int) (((Math.sqrt(Math.abs(r * r - (x - r) * (x - r)))) * sign / r) * warp);
for (int y = 0; y < srch; ++y) {
int p = sbits.intAt(y * ppl + x);
dbits.setIntAt(((y + oset + extra_offset) * ppl) + x, p);
}
}
return dest;
}
public void next() {
// blur
for (int y = 1; y < m_height; ++y) {
int oset = y * m_width;
// System.out.println("y:::");
for (int x = 1; x < m_width - 1; ++x) {
// int dl = m_data[oset + m_width + x - 1];
// int dr = m_data[oset + m_width + x + 1];
// int d = m_data[oset + m_width + x];
// m_data[oset + x] = (int) ((dl + (d * 2) + dr) / (4 + 10.0 / m_width));
// m_data[oset + x] = (int) ((dl + du + dr + dd) / 4);
m_data[oset + x] =
(((m_data[oset + x + m_width] << 2)
+ (m_data[oset + x] << 1)
+ (m_data[oset + x + 1])
+ (m_data[oset + x - 1]))
- 7)
>> 3;
if (m_data[oset + x] < 0) m_data[oset + x] = 0;
// System.out.print(" " + m_data[oset + x]);
}
// System.out.println();
}
// seed the last row for the next step...
seedLastRow();
QNativePointer np = m_image.bits();
np.setVerificationEnabled(false);
int ppl = m_image.bytesPerLine() / 4;
for (int y = 0; y < m_height; ++y) {
int oset = ppl * y;
for (int x = 0; x < m_width; ++x) {
int val = m_data[oset + x];
val = val * val / (255);
int val_2 = 0;
np.setIntAt(oset + x, (val << 24) | (val_2 << 16) | (val_2 << 8) | (val_2));
}
}
}
public SmokeEffect(int width, int height) {
m_width = width;
m_height = height;
m_seeds = new int[16000];
for (int i = 0; i < m_seeds.length; ++i) {
double d = Math.random();
m_seeds[i] = (int) (d * 255);
}
m_image = new QImage(width, height, QImage.Format.Format_ARGB32_Premultiplied);
m_image.fill(0);
m_data = new int[m_width * (m_height + 1)];
seedLastRow();
}
@Override
protected void paintEvent(QPaintEvent e) {
m_smoke_effect.next();
QPainter p = new QPainter();
p.begin(this);
p.fillRect(rect(), new QBrush(QColor.white));
// p.fillRect(rect(), new QBrush(Qt.CrossPattern));
p.drawImage(50, 80, m_logo);
p.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform);
QImage im = m_smoke_effect.image();
p.drawImage(
new QRect(50, -20, im.width(), im.height()),
im,
new QRect(0, (int) (im.height() * 0.60), im.width(), (int) (im.height() * 0.39)));
p.end();
}
private static QImage composeCup(QImage bg_image, QImage fg_image, int size, int warp) {
double coffey_alpha = 1;
QColor dark_brown = QColor.fromRgbF(0.3, 0.15, 0, coffey_alpha);
QColor light_brown = QColor.fromRgbF(0.66, 0.33, 0, coffey_alpha);
QColor highlight = QColor.fromRgbF(1, 1, 0.8, coffey_alpha);
QColor transparent = QColor.transparent;
double highlight_pos = 0.4;
double highlight_size = 0.05;
QImage combined =
new QImage(
size + size / 2, size + warp * 2 + size / 8, QImage.Format.Format_ARGB32_Premultiplied);
combined.fill(0);
QPainter p = new QPainter();
p.begin(combined);
p.setRenderHint(QPainter.RenderHint.Antialiasing);
p.setPen(Qt.PenStyle.NoPen);
// draw the background
p.drawImage(0, 0, bg_image);
// Draw the coffey
QRectF coffey_bounds = new QRectF(0, warp, size, 2 * warp);
QConicalGradient cg =
new QConicalGradient(
coffey_bounds.width() * GOLDEN_MEAN + warp * 0.1,
warp * 1.2 + coffey_bounds.height() / 2.0,
-30);
cg.setColorAt(0, dark_brown);
cg.setColorAt(highlight_pos - highlight_size, light_brown);
cg.setColorAt(0.4, highlight);
cg.setColorAt(highlight_pos + highlight_size, light_brown);
cg.setColorAt(1, dark_brown);
p.setPen(new QPen(new QBrush(QColor.black), size * 0.01));
p.setBrush(new QBrush(cg));
p.drawEllipse(coffey_bounds);
// draw the foreground
p.drawImage(0, warp, fg_image);
// Draw the handle
double handle_dim = size * 0.8;
QRectF handle_bounds = new QRectF(size - handle_dim / 2, size / 3, handle_dim, handle_dim);
double hcx = handle_bounds.width() / 2;
double hcy = handle_bounds.height() / 2;
QImage handle_im =
new QImage(handle_bounds.size().toSize(), QImage.Format.Format_ARGB32_Premultiplied);
{
handle_im.fill(0);
QPainter ph = new QPainter();
ph.begin(handle_im);
QRadialGradient rg = new QRadialGradient(hcx, hcy, hcx, hcx, hcy + size / 30);
double ir = 0.5;
double or = 0.9;
double aa = 0.02;
double shade = 0.08;
rg.setColorAt(ir - aa, transparent);
rg.setColorAt(ir, QColor.fromRgbF(0, 0, 0, 1));
rg.setColorAt(ir + shade, color_green);
rg.setColorAt((ir + or) / 2, QColor.fromRgbF(0.8, 0.85, 0.6));
rg.setColorAt(or - shade, color_green);
rg.setColorAt(or, QColor.fromRgbF(0, 0, 0, 1));
rg.setColorAt(or + aa, transparent);
ph.setBrush(new QBrush(rg));
ph.setPen(Qt.PenStyle.NoPen);
ph.drawEllipse(0, 0, (int) handle_bounds.width(), (int) handle_bounds.height());
QLinearGradient lg = new QLinearGradient(0, 0, handle_bounds.width(), 0);
lg.setColorAt(0.42, transparent);
lg.setColorAt(0.47, QColor.fromRgbF(0, 0, 0));
ph.setBrush(new QBrush(lg));
ph.setCompositionMode(QPainter.CompositionMode.CompositionMode_DestinationIn);
ph.drawRect(0, 0, (int) handle_bounds.width(), (int) handle_bounds.height());
ph.end();
}
p.drawImage(handle_bounds.topLeft(), handle_im);
// The drop shadow...
QRadialGradient dsg = new QRadialGradient(0, 0, 0.5, 0, 0);
dsg.setColorAt(0, QColor.fromRgbF(0, 0, 0, .75));
dsg.setColorAt(1, transparent);
p.translate(size * 3 / 4, size + warp * 1.4);
p.scale(size * 1.5, size / 2);
p.setBrush(new QBrush(dsg));
p.setPen(Qt.PenStyle.NoPen);
p.setCompositionMode(QPainter.CompositionMode.CompositionMode_DestinationOver);
p.drawEllipse(new QRectF(-0.5, -0.5, 1, 1));
// p.drawEllipse(new QRectF(size - size / 2, size + warp - size / 2, size, size));
p.end();
return combined;
}
public void clearImage() {
image.fill(new QColor(Qt.GlobalColor.white).rgb());
modified = true;
update();
}