From 97130b25d80b2c8727a33393257fbbc3ac7b11f0 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Mon, 3 Oct 2016 14:56:55 +0200
Subject: [PATCH] Add selection of background colour (or checkerboard pattern)

---
 qrenderdoc/Windows/TextureViewer.cpp | 43 ++++++++++++++++++++++++++++
 qrenderdoc/Windows/TextureViewer.h   |  3 ++
 2 files changed, 46 insertions(+)

diff --git a/qrenderdoc/Windows/TextureViewer.cpp b/qrenderdoc/Windows/TextureViewer.cpp
index fcd94c0a6..d0f3a0736 100644
--- a/qrenderdoc/Windows/TextureViewer.cpp
+++ b/qrenderdoc/Windows/TextureViewer.cpp
@@ -1,5 +1,6 @@
 
 #include "TextureViewer.h"
+#include <QColorDialog>
 #include "Code/Core.h"
 #include "FlowLayout.h"
 #include "ui_TextureViewer.h"
@@ -30,6 +31,8 @@ TextureViewer::TextureViewer(Core *core, QWidget *parent)
   m_TexDisplay.linearDisplayAsGamma = true;
   m_TexDisplay.rangemax = 1.0f;
 
+  on_checkerBack_clicked();
+
   QWidget *renderContainer = ui->renderContainer;
 
   QObject::connect(ui->render, &CustomPaintWidget::clicked, this, &TextureViewer::render_mouseClick);
@@ -1163,3 +1166,43 @@ void TextureViewer::on_reset01_clicked()
 void TextureViewer::on_visualiseRange_clicked()
 {
 }
+
+void TextureViewer::on_backcolorPick_clicked()
+{
+  QColor col = QColorDialog::getColor(Qt::black, this, tr("Choose background colour"));
+
+  if(!col.isValid())
+    col = QColor(0, 0, 0);
+
+  col = col.toRgb();
+  m_TexDisplay.darkBackgroundColour = m_TexDisplay.lightBackgroundColour =
+      FloatVector(col.redF(), col.greenF(), col.blueF(), 1.0f);
+
+  ui->backcolorPick->setChecked(true);
+  ui->checkerBack->setChecked(false);
+
+  INVOKE_MEMFN(RT_UpdateAndDisplay);
+
+  if(m_Output == NULL)
+  {
+    ui->render->update();
+    ui->pixelcontextgrid->update();
+  }
+}
+
+void TextureViewer::on_checkerBack_clicked()
+{
+  ui->checkerBack->setChecked(true);
+  ui->backcolorPick->setChecked(false);
+
+  m_TexDisplay.lightBackgroundColour = FloatVector(0.81f, 0.81f, 0.81f, 1.0f);
+  m_TexDisplay.darkBackgroundColour = FloatVector(0.57f, 0.57f, 0.57f, 1.0f);
+
+  INVOKE_MEMFN(RT_UpdateAndDisplay);
+
+  if(m_Output == NULL)
+  {
+    ui->render->update();
+    ui->pixelcontextgrid->update();
+  }
+}
diff --git a/qrenderdoc/Windows/TextureViewer.h b/qrenderdoc/Windows/TextureViewer.h
index 921b2b61e..e1d187490 100644
--- a/qrenderdoc/Windows/TextureViewer.h
+++ b/qrenderdoc/Windows/TextureViewer.h
@@ -46,6 +46,9 @@ private slots:
 
   void on_channelsWidget_toggled(bool checked) { UI_UpdateChannels(); }
   void on_channelsWidget_selected(int index) { UI_UpdateChannels(); }
+  void on_backcolorPick_clicked();
+  void on_checkerBack_clicked();
+
 private:
   void RT_FetchCurrentPixel(uint32_t x, uint32_t y, PixelValue &pickValue, PixelValue &realValue);
   void RT_PickPixelsAndUpdate();