fixed export and timeline crashes and way better titler
This commit is contained in:
itsmattkc
+222
-27
@@ -10,6 +10,7 @@
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#include <QFontDatabase>
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#include <QComboBox>
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#include <QDebug>
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#include <QWidget>
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#include "ui/labelslider.h"
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#include "ui/collapsiblewidget.h"
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@@ -21,22 +22,16 @@
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TextEffect::TextEffect(Clip *c) :
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Effect(c, EFFECT_TYPE_VIDEO, VIDEO_TEXT_EFFECT),
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texture(NULL),
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width(0),
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height(0)
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texture(NULL)
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{
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EffectRow* text_row = add_row("Text:");
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text_val = text_row->add_field(EFFECT_FIELD_STRING);
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text_val = add_row("Text:")->add_field(EFFECT_FIELD_STRING, 2);
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EffectRow* font_row = add_row("Font:");
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set_font_combobox = font_row->add_field(EFFECT_FIELD_FONT);
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set_font_combobox = add_row("Font:")->add_field(EFFECT_FIELD_FONT, 2);
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EffectRow* size_row = add_row("Size:");
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size_val = size_row->add_field(EFFECT_FIELD_DOUBLE);
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size_val = add_row("Size:")->add_field(EFFECT_FIELD_DOUBLE, 2);
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size_val->set_double_minimum_value(0);
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EffectRow* color_row = add_row("Color:");
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set_color_button = color_row->add_field(EFFECT_FIELD_COLOR);
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set_color_button = add_row("Color:")->add_field(EFFECT_FIELD_COLOR, 2);
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EffectRow* alignment_row = add_row("Alignment:");
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halign_field = alignment_row->add_field(EFFECT_FIELD_COMBO);
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@@ -49,10 +44,35 @@ TextEffect::TextEffect(Clip *c) :
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valign_field->add_combo_item("Center", Qt::AlignVCenter);
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valign_field->add_combo_item("Bottom", Qt::AlignBottom);
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word_wrap_field = add_row("Word Wrap:")->add_field(EFFECT_FIELD_BOOL, 2);
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outline_bool = add_row("Outline:")->add_field(EFFECT_FIELD_BOOL, 2);
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outline_color = add_row("Outline Color:")->add_field(EFFECT_FIELD_COLOR, 2);
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outline_width = add_row("Outline Width:")->add_field(EFFECT_FIELD_DOUBLE, 2);
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outline_width->set_double_minimum_value(0);
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shadow_bool = add_row("Shadow:")->add_field(EFFECT_FIELD_BOOL, 2);
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shadow_color = add_row("Shadow Color:")->add_field(EFFECT_FIELD_COLOR, 2);
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shadow_distance = add_row("Shadow Distance:")->add_field(EFFECT_FIELD_DOUBLE, 2);
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shadow_distance->set_double_minimum_value(0);
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shadow_softness = add_row("Shadow Softness:")->add_field(EFFECT_FIELD_DOUBLE, 2);
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shadow_softness->set_double_minimum_value(0);
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shadow_opacity = add_row("Shadow Opacity:")->add_field(EFFECT_FIELD_DOUBLE, 2);
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shadow_opacity->set_double_minimum_value(0);
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shadow_opacity->set_double_maximum_value(100);
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size_val->set_double_default_value(48);
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text_val->set_string_value("Sample Text");
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halign_field->set_combo_index(1);
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valign_field->set_combo_index(1);
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word_wrap_field->set_bool_value(true);
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outline_color->set_color_value(Qt::black);
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shadow_color->set_color_value(Qt::black);
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shadow_opacity->set_double_default_value(100);
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shadow_softness->set_double_default_value(5);
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shadow_distance->set_double_default_value(5);
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shadow_opacity->set_double_default_value(80);
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outline_width->set_double_default_value(2);
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connect(text_val, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(size_val, SIGNAL(changed()), this, SLOT(update_texture()));
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@@ -60,6 +80,15 @@ TextEffect::TextEffect(Clip *c) :
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connect(set_font_combobox, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(halign_field, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(valign_field, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(word_wrap_field, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(outline_bool, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(outline_color, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(outline_width, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(shadow_bool, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(shadow_color, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(shadow_distance, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(shadow_softness, SIGNAL(changed()), this, SLOT(update_texture()));
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connect(shadow_opacity, SIGNAL(changed()), this, SLOT(update_texture()));
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update_texture();
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}
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@@ -76,26 +105,190 @@ void TextEffect::destroy_texture() {
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texture->destroy();
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}
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QImage blurred(const QImage& image, const QRect& rect, int radius, bool alphaOnly = false)
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{
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int tab[] = { 14, 10, 8, 6, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2 };
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int alpha = (radius < 1) ? 16 : (radius > 17) ? 1 : tab[radius-1];
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QImage result = image.convertToFormat(QImage::Format_ARGB32_Premultiplied);
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int r1 = rect.top();
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int r2 = rect.bottom();
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int c1 = rect.left();
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int c2 = rect.right();
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int bpl = result.bytesPerLine();
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int rgba[4];
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unsigned char* p;
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int i1 = 0;
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int i2 = 3;
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if (alphaOnly)
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i1 = i2 = (QSysInfo::ByteOrder == QSysInfo::BigEndian ? 0 : 3);
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for (int col = c1; col <= c2; col++) {
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p = result.scanLine(r1) + col * 4;
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for (int i = i1; i <= i2; i++)
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rgba[i] = p[i] << 4;
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p += bpl;
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for (int j = r1; j < r2; j++, p += bpl)
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for (int i = i1; i <= i2; i++)
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p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4;
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}
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for (int row = r1; row <= r2; row++) {
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p = result.scanLine(row) + c1 * 4;
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for (int i = i1; i <= i2; i++)
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rgba[i] = p[i] << 4;
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p += 4;
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for (int j = c1; j < c2; j++, p += 4)
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for (int i = i1; i <= i2; i++)
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p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4;
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}
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for (int col = c1; col <= c2; col++) {
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p = result.scanLine(r2) + col * 4;
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for (int i = i1; i <= i2; i++)
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rgba[i] = p[i] << 4;
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p -= bpl;
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for (int j = r1; j < r2; j++, p -= bpl)
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for (int i = i1; i <= i2; i++)
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p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4;
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}
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for (int row = r1; row <= r2; row++) {
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p = result.scanLine(row) + c2 * 4;
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for (int i = i1; i <= i2; i++)
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rgba[i] = p[i] << 4;
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p -= 4;
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for (int j = c1; j < c2; j++, p -= 4)
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for (int i = i1; i <= i2; i++)
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p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4;
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}
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return result;
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}
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void TextEffect::update_texture() {
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if (parent_clip->sequence != NULL) {
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if (parent_clip->sequence->width != width || parent_clip->sequence->height != height) {
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width = parent_clip->sequence->width;
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height = parent_clip->sequence->height;
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pixmap = QImage(width, height, QImage::Format_ARGB32_Premultiplied);
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if (pixmap.width() != parent_clip->sequence->width || pixmap.height() != parent_clip->sequence->height) {
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pixmap = QImage(parent_clip->sequence->width, parent_clip->sequence->height, QImage::Format_ARGB32);
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}
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pixmap.fill(Qt::transparent);
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QPainter p(&pixmap);
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p.setRenderHint(QPainter::TextAntialiasing, true);
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p.setRenderHint(QPainter::Antialiasing);
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// set font
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font.setStyleHint(QFont::Helvetica, QFont::PreferAntialias);
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font.setFamily(set_font_combobox->get_font_name());
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font.setPointSize(size_val->get_double_value());
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font.setStyleHint(QFont::Helvetica, QFont::PreferAntialias);
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p.setFont(font);
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QFontMetrics fm(font);
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p.setPen(set_color_button->get_color_value());
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p.drawText(QRect(0, 0, width, height), halign_field->get_combo_data().toInt() | valign_field->get_combo_data().toInt() | Qt::TextWordWrap, text_val->get_string_value());
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QStringList lines = text_val->get_string_value().split('\n');
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// word wrap function
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if (word_wrap_field->get_bool_value()) {
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for (int i=0;i<lines.size();i++) {
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const QString& s = lines.at(i);
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if (fm.width(s) > pixmap.width()) {
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int last_space_index = 0;
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for (int j=0;j<s.length();j++) {
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if (s.at(j) == ' ') {
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if (fm.width(s.left(j)) > pixmap.width()) {
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break;
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} else {
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last_space_index = j;
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}
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}
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}
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if (last_space_index > 0) {
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lines.insert(i+1, s.mid(last_space_index + 1));
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lines[i] = s.left(last_space_index);
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}
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}
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}
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}
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QPainterPath path;
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int text_height = fm.height()*lines.size();
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for (int i=0;i<lines.size();i++) {
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int text_x, text_y;
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switch (halign_field->get_combo_data().toInt()) {
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case Qt::AlignLeft: text_x = 0; break;
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case Qt::AlignHCenter: text_x = (pixmap.width()/2) - (fm.width(lines.at(i))/2); break;
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case Qt::AlignRight: text_x = pixmap.width() - fm.width(lines.at(i)); break;
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case Qt::AlignJustify:
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// add spaces until the string is too big
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text_x = 0;
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while (fm.width(lines.at(i) < pixmap.width())) {
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bool space = false;
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QString spaced(lines.at(i));
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for (int i=0;i<spaced.length();i++) {
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if (spaced.at(i) == ' ') {
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// insert a space
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spaced.insert(i, ' ');
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space = true;
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// scan to next non-space
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while (i < spaced.length() && spaced.at(i) == ' ') {
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i++;
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}
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}
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}
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if (fm.width(spaced) > pixmap.width() || !space) {
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break;
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} else {
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lines[i] = spaced;
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}
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}
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break;
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}
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switch (valign_field->get_combo_data().toInt()) {
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case Qt::AlignTop: text_y = (fm.height()*i)+fm.ascent(); break;
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case Qt::AlignVCenter: text_y = ((pixmap.height()/2) - (text_height/2) - fm.descent()) + (fm.height()*(i+1)); break;
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case Qt::AlignBottom: text_y = (pixmap.height() - text_height - fm.descent()) + (fm.height()*(i+1)); break;
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}
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path.addText(text_x, text_y, font, lines.at(i));
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}
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p.setPen(Qt::NoPen);
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// draw shadow
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if (shadow_bool->get_bool_value()) {
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int shadow_offset = shadow_distance->get_double_value();
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QColor col = shadow_color->get_color_value();
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col.setAlphaF(shadow_opacity->get_double_value()*0.01);
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p.setBrush(col);
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p.drawPath(path);
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QImage shadow = blurred(pixmap, pixmap.rect(), shadow_softness->get_double_value(), false);
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p.drawImage(shadow_offset, shadow_offset, shadow);
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}
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// draw outline
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int outline_width_val = outline_width->get_double_value();
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if (outline_bool->get_bool_value() && outline_width_val > 0) {
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QPen outline(outline_color->get_color_value());
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outline.setWidth(outline_width_val);
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p.setPen(outline);
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}
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// draw "master" text
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p.setBrush(set_color_button->get_color_value());
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p.drawPath(path);
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p.end();
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if (texture == NULL) {
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texture = new QOpenGLTexture(pixmap);
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@@ -115,8 +308,8 @@ void TextEffect::post_gl() {
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if (texture != NULL) {
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texture->bind();
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int half_width = width/2;
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int half_height = height/2;
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int half_width = pixmap.width()/2;
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int half_height = pixmap.height()/2;
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glBegin(GL_QUADS);
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glTexCoord2f(0.0, 0.0);
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@@ -134,10 +327,12 @@ void TextEffect::post_gl() {
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}
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Effect* TextEffect::copy(Clip* c) {
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/*TextEffect* e = new TextEffect(c);
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e->text_val->setPlainText(text_val->toPlainText());
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e->size_val->set_value(size_val->value());
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e->set_color_button->set_color(set_color_button->get_color());
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return e;*/
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return NULL;
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TextEffect* e = new TextEffect(c);
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e->text_val->set_string_value(text_val->get_string_value());
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e->size_val->set_double_value(size_val->get_double_value());
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e->set_color_button->set_color_value(set_color_button->get_color_value());
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e->set_font_combobox->set_font_name(set_font_combobox->get_font_name());
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e->halign_field->set_combo_index(halign_field->get_combo_index());
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e->valign_field->set_combo_index(valign_field->get_combo_index());
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return e;
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}
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Block a user