ported ALL effects to opengl
This commit is contained in:
itsmattkc
+186
-70
@@ -21,9 +21,9 @@
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#include "ui/fontcombobox.h"
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TextEffect::TextEffect(Clip *c) :
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Effect(c, EFFECT_TYPE_VIDEO, VIDEO_TEXT_EFFECT)
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SuperimposeEffect(c, EFFECT_TYPE_VIDEO, VIDEO_TEXT_EFFECT)
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{
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enable_image = true;
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enable_superimpose = true;
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text_val = add_row("Text:")->add_field(EFFECT_FIELD_STRING, 2);
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@@ -98,6 +98,186 @@ TextEffect::TextEffect(Clip *c) :
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connect(outline_bool, SIGNAL(toggled(bool)), this, SLOT(outline_enable(bool)));
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}
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void blurred2(QImage& result, const QRect& rect, int radius, bool alphaOnly = false) {
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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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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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}
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void TextEffect::redraw(double timecode) {
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img.fill(Qt::transparent);
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QPainter p(&img);
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p.setRenderHint(QPainter::Antialiasing);
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int width = img.width();
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int height = img.height();
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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(timecode));
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font.setPointSize(size_val->get_double_value(timecode));
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p.setFont(font);
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QFontMetrics fm(font);
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QStringList lines = text_val->get_string_value(timecode).split('\n');
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// word wrap function
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if (word_wrap_field->get_bool_value(timecode)) {
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for (int i=0;i<lines.size();i++) {
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QString s(lines.at(i));
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if (fm.width(s) > 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)) > 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(timecode).toInt()) {
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case Qt::AlignLeft: text_x = 0; break;
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case Qt::AlignHCenter: text_x = (width/2) - (fm.width(lines.at(i))/2); break;
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case Qt::AlignRight: text_x = 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) < 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) == ' ') i++;
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}
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}
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if (fm.width(spaced) > 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(timecode).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 = ((height/2) - (text_height/2) - fm.descent()) + (fm.height()*(i+1)); break;
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case Qt::AlignBottom: text_y = (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(timecode)) {
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int shadow_offset = shadow_distance->get_double_value(timecode);
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QPainterPath shadow_path(path);
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shadow_path.translate(shadow_offset, shadow_offset);
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QColor col = shadow_color->get_color_value(timecode);
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col.setAlphaF(shadow_opacity->get_double_value(timecode)*0.01);
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p.setBrush(col);
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p.drawPath(shadow_path);
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int blurSoftness = shadow_softness->get_double_value(timecode);
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if (blurSoftness > 0) blurred2(img, img.rect(), blurSoftness, false);
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}
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// draw outline
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int outline_width_val = outline_width->get_double_value(timecode);
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if (outline_bool->get_bool_value(timecode) && outline_width_val > 0) {
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QPen outline(outline_color->get_color_value(timecode));
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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(timecode));
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p.drawPath(path);
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}
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void TextEffect::shadow_enable(bool e) {
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shadow_color->set_enabled(e);
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shadow_distance->set_enabled(e);
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@@ -110,7 +290,7 @@ void TextEffect::outline_enable(bool e) {
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outline_width->set_enabled(e);
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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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/*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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@@ -176,73 +356,9 @@ QImage blurred(const QImage& image, const QRect& rect, int radius, bool alphaOnl
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}
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return result;
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}
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}*/
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void blurred2(QImage& result, const QRect& rect, int radius, bool alphaOnly = false) {
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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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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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}
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void TextEffect::process_image(double timecode, uint8_t* data, int w, int h) {
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/*void TextEffect::process_image(double timecode, uint8_t* data, int w, int h) {
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QImage img(data, w, h, QImage::Format_RGBA8888);
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QPainter p(&img);
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p.setRenderHint(QPainter::Antialiasing);
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@@ -357,4 +473,4 @@ void TextEffect::process_image(double timecode, uint8_t* data, int w, int h) {
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// draw "master" text
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p.setBrush(set_color_button->get_color_value(timecode));
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p.drawPath(path);
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}
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}*/
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