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authorLars Muldjord <muldjordlars@gmail.com>2016-11-22 17:08:52 +0100
committerBent Bisballe Nyeng <deva@aasimon.org>2016-12-02 16:57:25 +0100
commit8b68faccfcbe3564e93f018d9aefe62e289c1681 (patch)
tree3851c2279c5a301577be44d5d05f09923f8d61e0
parentdfae8c7aad33a352f882c44ef2a9cc83f2746207 (diff)
Now renders entire font, but chars are not latin1 at the moment
-rw-r--r--tools/fontgen/generator.cc117
-rw-r--r--tools/fontgen/generator.h13
2 files changed, 123 insertions, 7 deletions
diff --git a/tools/fontgen/generator.cc b/tools/fontgen/generator.cc
index b2a07b5..98ed1a0 100644
--- a/tools/fontgen/generator.cc
+++ b/tools/fontgen/generator.cc
@@ -70,18 +70,123 @@ void Generator::initGenerate()
fontLineEdit->text().toStdString().c_str(),
sizeLineEdit->text().toStdString().c_str());
- QImage image(500, 16, QImage::Format_ARGB32);
- image.fill(Qt::transparent);
+ QList<QImage> chars;
+
+ maxSize = 50;
- QFont font;
+ int vertOffset = 0;
+ int fontHeight = maxSize;
+
font.setFamily(fontLineEdit->text());
font.setPixelSize(sizeLineEdit->text().toInt());
+
+ setVertLimits(vertOffset, fontHeight);
+
+ for(int a = 0; a < 255; ++a) {
+ int horizOffset = 0;
+ int charWidth = 0;
+ QImage image(maxSize, maxSize, QImage::Format_ARGB32);
+ image.fill(Qt::transparent);
+ setHorizLimits(horizOffset, charWidth, a, image);
+ QImage finalChar(image.copy(horizOffset, vertOffset, charWidth + 2, fontHeight));
+ QPainter p(&finalChar);
+ p.setPen(QPen(QColor(255, 0, 255)));
+ p.drawLine(finalChar.width() - 1, 0, finalChar.width() - 1, finalChar.height());
+ chars.append(finalChar);
+ }
+
+ int imageWidth = 0;
+ for(int a = 0; a < chars.length(); ++a) {
+ imageWidth += chars.at(a).width();
+ }
+
+ QImage finalFont(imageWidth, fontHeight, QImage::Format_ARGB32);
+ finalFont.fill(Qt::transparent);
+ QPainter p(&finalFont);
+ int curOffset = 0;
+ for(int a = 0; a < chars.length(); ++a) {
+ p.drawImage(curOffset, 0, chars.at(a));
+ curOffset += chars.at(a).width();
+ }
+ finalFont.save(outputLineEdit->text() + ".png");
+}
+void Generator::setVertLimits(int &vertOffset, int &fontHeight)
+{
+ QImage image(maxSize, maxSize, QImage::Format_ARGB32);
+ image.fill(Qt::transparent);
+
QPainter p(&image);
p.setPen(QPen(QColor(0, 0, 0, 255)));
p.setFont(font);
+
+ // Render the two chars that will give us a maximum overall font height
+ p.drawText(maxSize / 2, maxSize / 2, "Õ");
+ p.drawText(maxSize / 2, maxSize / 2, "j");
- p.drawText(0, 10, "AjEg");
-
- image.save(outputLineEdit->text() + ".png");
+ vertOffset = getVertOffset(image);
+ fontHeight = getFontHeight(image, vertOffset);
+ qDebug("Vertical offset: %d\nHeight: %d\n", vertOffset, fontHeight);
+}
+
+void Generator::setHorizLimits(int &horizOffset, int &charWidth,
+ const int &curChar, QImage &image)
+{
+ QPainter p(&image);
+ p.setPen(QPen(QColor(0, 0, 0, 255)));
+ p.setFont(font);
+
+ p.drawText(maxSize / 2, maxSize / 2, QChar(curChar));
+
+ horizOffset = getHorizOffset(image);
+ charWidth = getFontWidth(image, horizOffset);
+ qDebug("Horizontal offset: %d\nWidth: %d\n", horizOffset, charWidth);
+}
+
+int Generator::getVertOffset(const QImage &image)
+{
+ for(int y = 0; y < maxSize; ++y) {
+ for(int x = 0; x < maxSize; ++x) {
+ if(image.pixelColor(x, y) != Qt::transparent) {
+ return y;
+ }
+ }
+ }
+ return 0;
+}
+
+int Generator::getFontHeight(const QImage &image, const int &vertOffset)
+{
+ for(int y = maxSize - 1; y > vertOffset; --y) {
+ for(int x = 0; x < maxSize; ++x) {
+ if(image.pixelColor(x, y) != Qt::transparent) {
+ return y + 1 - vertOffset;
+ }
+ }
+ }
+ return 0;
+}
+
+int Generator::getHorizOffset(const QImage &image)
+{
+ for(int x = 0; x < maxSize; ++x) {
+ for(int y = 0; y < maxSize; ++y) {
+ if(image.pixelColor(x, y) != Qt::transparent) {
+ return x;
+ }
+ }
+ }
+ return 0;
+}
+
+int Generator::getFontWidth(const QImage &image, const int &horizOffset)
+{
+ for(int x = maxSize - 1; x > horizOffset; --x) {
+ for(int y = 0; y < maxSize; ++y) {
+ if(image.pixelColor(x, y) != Qt::transparent) {
+ return x + 1 - horizOffset;
+ }
+ }
+ }
+ return 0;
}
diff --git a/tools/fontgen/generator.h b/tools/fontgen/generator.h
index 64b59df..bbf156f 100644
--- a/tools/fontgen/generator.h
+++ b/tools/fontgen/generator.h
@@ -46,7 +46,18 @@ private:
QLineEdit *fontLineEdit;
QLineEdit *sizeLineEdit;
QLineEdit *outputLineEdit;
-
+
+ int maxSize;
+ QFont font;
+
+ void setVertLimits(int &vertOffset, int &fontHeight);
+ int getVertOffset(const QImage &image);
+ int getFontHeight(const QImage &image, const int &vertOffset);
+
+ void setHorizLimits(int &horizOffset, int &fontHeight,
+ const int &curChar, QImage &image);
+ int getHorizOffset(const QImage &image);
+ int getFontWidth(const QImage &image, const int &horizOffset);
};
#endif // _GENERATOR_H