Remove the QCustomPlot dependency.

[nageru] / nageru / analyzer.cpp

diff --git a/nageru/analyzer.cpp b/nageru/analyzer.cpp
index bdb80bc31b52c46d98ee4540220c606e706fd594..d8197cc7d63b69fe820d5a5687439a86d4c0600d 100644 (file)
--- a/nageru/analyzer.cpp
+++ b/nageru/analyzer.cpp
@@ -14,21 +14,6 @@
 #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()
@@ -41,7 +26,7 @@ Analyzer::Analyzer()
        context = create_context(surface);
        if (!make_current(context, surface)) {
                printf("oops\n");
-               exit(1);
+               abort();
        }
 
        grab_timer.setSingleShot(true);
@@ -70,10 +55,6 @@ 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, nullptr, GL_STREAM_READ);
-
-       ui->histogram->xAxis->setVisible(true);
-       ui->histogram->yAxis->setVisible(false);
-       ui->histogram->xAxis->setRange(0, 255);
 }
 
 Analyzer::~Analyzer()
@@ -96,7 +77,7 @@ void Analyzer::mixer_shutting_down()
 
        if (!make_current(context, surface)) {
                printf("oops\n");
-               exit(1);
+               abort();
        }
        glDeleteBuffers(1, &pbo);
        check_error();
@@ -111,7 +92,7 @@ void Analyzer::grab_clicked()
 
        if (!make_current(context, surface)) {
                printf("oops\n");
-               exit(1);
+               abort();
        }
 
        Mixer::DisplayFrame frame;
@@ -186,38 +167,14 @@ void Analyzer::grab_clicked()
        glBindFramebuffer(GL_FRAMEBUFFER, 0);
        check_error();
 
-       QVector<double> r_vec(256), g_vec(256), b_vec(256), x_vec(256);
-       double max = 0.0;
+       vector<double> r_vec(256), g_vec(256), b_vec(256);
        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();
+       ui->histogram->set_histograms(std::move(r_vec), std::move(g_vec), std::move(b_vec));
 
        resource_pool->release_2d_texture(fbo_tex);
        check_error();
@@ -267,25 +224,23 @@ bool Analyzer::eventFilter(QObject *watched, QEvent *event)
 
 void Analyzer::grab_pixel(int x, int y)
 {
-       const QPixmap *pixmap = ui->grabbed_frame_label->pixmap();
-       if (pixmap != nullptr) {
-               x = lrint(x * double(pixmap->width()) / ui->grabbed_frame_label->width());
-               y = lrint(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))));
-
-               snprintf(buf, sizeof(buf), "#%02x%02x%02x", qRed(pixel), qGreen(pixel), qBlue(pixel));
-               ui->hex_label->setText(buf);
-       }
+       QPixmap pixmap = ui->grabbed_frame_label->pixmap(Qt::ReturnByValue);
+       x = lrint(x * double(pixmap.width()) / ui->grabbed_frame_label->width());
+       y = lrint(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))));
+
+       snprintf(buf, sizeof(buf), "#%02x%02x%02x", qRed(pixel), qGreen(pixel), qBlue(pixel));
+       ui->hex_label->setText(buf);
 }
 
 void Analyzer::resizeEvent(QResizeEvent* event)