#include <QDialogButtonBox>
#include <QMouseEvent>
+#include <QPen>
#include <QSurface>
#include <movit/resource_pool.h>
#include "mixer.h"
#include "ui_analyzer.h"
+// QCustomPlot includes qopenglfunctions.h, which #undefs all of the epoxy
+// definitions (ugh) and doesn't put back any others (ugh). Add the ones we
+// need back.
+
+#define glBindBuffer epoxy_glBindBuffer
+#define glBindFramebuffer epoxy_glBindFramebuffer
+#define glBufferData epoxy_glBufferData
+#define glDeleteBuffers epoxy_glDeleteBuffers
+#define glDisable epoxy_glDisable
+#define glGenBuffers epoxy_glGenBuffers
+#define glGetError epoxy_glGetError
+#define glReadPixels epoxy_glReadPixels
+#define glUnmapBuffer epoxy_glUnmapBuffer
+#define glWaitSync epoxy_glWaitSync
+
using namespace std;
Analyzer::Analyzer()
glGenBuffers(1, &pbo);
glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
glBufferData(GL_PIXEL_PACK_BUFFER_ARB, global_flags.width * global_flags.height * 4, NULL, GL_STREAM_READ);
+
+ ui->histogram->xAxis->setVisible(true);
+ ui->histogram->yAxis->setVisible(false);
+ ui->histogram->xAxis->setRange(0, 255);
}
Analyzer::~Analyzer()
{
+ delete_context(context);
+ delete surface;
+}
+
+void Analyzer::update_channel_name(Mixer::Output output, const string &name)
+{
+ if (output >= Mixer::OUTPUT_INPUT0) {
+ int index = (output - Mixer::OUTPUT_INPUT0) + 2;
+ ui->input_box->setItemText(index, QString::fromStdString(name));
+ }
+}
+
+void Analyzer::mixer_shutting_down()
+{
+ ui->display->shutdown();
+
if (!make_current(context, surface)) {
printf("oops\n");
exit(1);
if (resource_pool != nullptr) {
resource_pool->clean_context();
}
- delete_context(context);
- delete surface;
}
void Analyzer::grab_clicked()
glBindFramebuffer(GL_FRAMEBUFFER, 0);
check_error();
- printf("R hist:");
- for (unsigned i = 0; i < 256; ++i) { printf(" %d", r_hist[i]); }
- printf("\n");
- printf("G hist:");
- for (unsigned i = 0; i < 256; ++i) { printf(" %d", g_hist[i]); }
- printf("\n");
- printf("B hist:");
- for (unsigned i = 0; i < 256; ++i) { printf(" %d", b_hist[i]); }
- printf("\n");
+ QVector<double> r_vec(256), g_vec(256), b_vec(256), x_vec(256);
+ double max = 0.0;
+ for (unsigned i = 0; i < 256; ++i) {
+ x_vec[i] = i;
+ r_vec[i] = log(r_hist[i] + 1.0);
+ g_vec[i] = log(g_hist[i] + 1.0);
+ b_vec[i] = log(b_hist[i] + 1.0);
+
+ max = std::max(max, r_vec[i]);
+ max = std::max(max, g_vec[i]);
+ max = std::max(max, b_vec[i]);
+ }
+
+ ui->histogram->clearGraphs();
+ ui->histogram->addGraph();
+ ui->histogram->graph(0)->setData(x_vec, r_vec);
+ ui->histogram->graph(0)->setPen(QPen(Qt::red));
+ ui->histogram->graph(0)->setBrush(QBrush(QColor(255, 127, 127, 80)));
+ ui->histogram->addGraph();
+ ui->histogram->graph(1)->setData(x_vec, g_vec);
+ ui->histogram->graph(1)->setPen(QPen(Qt::green));
+ ui->histogram->graph(1)->setBrush(QBrush(QColor(127, 255, 127, 80)));
+ ui->histogram->addGraph();
+ ui->histogram->graph(2)->setData(x_vec, b_vec);
+ ui->histogram->graph(2)->setPen(QPen(Qt::blue));
+ ui->histogram->graph(2)->setBrush(QBrush(QColor(127, 127, 255, 80)));
+
+ ui->histogram->xAxis->setVisible(true);
+ ui->histogram->yAxis->setVisible(false);
+ ui->histogram->xAxis->setRange(0, 255);
+ ui->histogram->yAxis->setRange(0, max);
+ ui->histogram->replot();
resource_pool->release_2d_texture(fbo_tex);
check_error();
int y = lrint(mouse_event->y() * double(pixmap->height()) / ui->grabbed_frame_label->height());
x = std::min(x, pixmap->width() - 1);
y = std::min(y, pixmap->height() - 1);
+
+ char buf[256];
+ snprintf(buf, sizeof(buf), "Selected coordinate (x,y): (%d,%d)", x, y);
+ ui->coord_label->setText(buf);
+
QRgb pixel = grabbed_image.pixel(x, y);
ui->red_label->setText(QString::fromStdString(to_string(qRed(pixel))));
ui->green_label->setText(QString::fromStdString(to_string(qGreen(pixel))));
ui->blue_label->setText(QString::fromStdString(to_string(qBlue(pixel))));
- char buf[256];
snprintf(buf, sizeof(buf), "#%02x%02x%02x", qRed(pixel), qGreen(pixel), qBlue(pixel));
ui->hex_label->setText(buf);
}
}
return false;
}
+
+void Analyzer::resizeEvent(QResizeEvent* event)
+{
+ QMainWindow::resizeEvent(event);
+
+ // Ask for a relayout, but only after the event loop is done doing relayout
+ // on everything else.
+ QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
+}
+
+void Analyzer::relayout()
+{
+ double aspect = double(global_flags.width) / global_flags.height;
+
+ // Left pane (2/5 of the width).
+ {
+ int width = ui->left_pane->geometry().width();
+ int height = ui->left_pane->geometry().height();
+
+ // Figure out how much space everything that's non-responsive needs.
+ int remaining_height = height - ui->left_pane->spacing() * (ui->left_pane->count() - 1);
+
+ remaining_height -= ui->grab_btn->geometry().height();
+ ui->left_pane->setStretch(2, ui->grab_btn->geometry().height());
+
+ remaining_height -= ui->histogram_label->geometry().height();
+ ui->left_pane->setStretch(4, ui->histogram_label->geometry().height());
+
+ // The histogram's minimumHeight returns 0, so let's set a reasonable minimum for it.
+ int min_histogram_height = 50;
+ remaining_height -= min_histogram_height;
+
+ // Allocate so that the display is 16:9, if possible.
+ unsigned wanted_display_height = width / aspect;
+ unsigned display_height;
+ unsigned margin = 0;
+ if (remaining_height >= int(wanted_display_height)) {
+ display_height = wanted_display_height;
+ } else {
+ display_height = remaining_height;
+ int display_width = lrint(display_height * aspect);
+ margin = (width - display_width) / 2;
+ }
+ ui->left_pane->setStretch(1, display_height);
+ ui->display_left_spacer->changeSize(margin, 1);
+ ui->display_right_spacer->changeSize(margin, 1);
+
+ remaining_height -= display_height;
+
+ // Figure out if we can do the histogram at 16:9.
+ remaining_height += min_histogram_height;
+ unsigned histogram_height;
+ if (remaining_height >= int(wanted_display_height)) {
+ histogram_height = wanted_display_height;
+ } else {
+ histogram_height = remaining_height;
+ }
+ remaining_height -= histogram_height;
+ ui->left_pane->setStretch(3, histogram_height);
+
+ ui->left_pane->setStretch(0, remaining_height / 2);
+ ui->left_pane->setStretch(5, remaining_height / 2);
+ }
+
+ // Right pane (remaining 3/5 of the width).
+ {
+ int width = ui->right_pane->geometry().width();
+ int height = ui->right_pane->geometry().height();
+
+ // Figure out how much space everything that's non-responsive needs.
+ int remaining_height = height - ui->right_pane->spacing() * (ui->right_pane->count() - 1);
+ remaining_height -= ui->grabbed_frame_sublabel->geometry().height();
+ remaining_height -= ui->coord_label->geometry().height();
+ remaining_height -= ui->color_hbox->geometry().height();
+
+ // Allocate so that the display is 16:9, if possible.
+ unsigned wanted_display_height = width / aspect;
+ unsigned display_height;
+ unsigned margin = 0;
+ if (remaining_height >= int(wanted_display_height)) {
+ display_height = wanted_display_height;
+ } else {
+ display_height = remaining_height;
+ int display_width = lrint(display_height * aspect);
+ margin = (width - display_width) / 2;
+ }
+ ui->right_pane->setStretch(1, display_height);
+ ui->grabbed_frame_left_spacer->changeSize(margin, 1);
+ ui->grabbed_frame_right_spacer->changeSize(margin, 1);
+ remaining_height -= display_height;
+
+ if (remaining_height < 0) remaining_height = 0;
+
+ ui->right_pane->setStretch(0, remaining_height / 2);
+ ui->right_pane->setStretch(5, remaining_height / 2);
+ }
+}