Option for checkerboard pattern in dummy video

Originally committed to SVN as r995.

aegisub/dialog_dummy_video.cpp

@@ -66,6 +66,7 @@ bool DialogDummyVideo::CreateDummyVideo(wxWindow *parent, wxString &out_filename
 		double fps;
 		long width, height, length;
 		wxColour colour;
+		bool pattern;
 
 		// Read back values and check sensibility
 		if (!dlg.fps->GetValue().ToDouble(&fps) || fps <= 0) {
@@ -95,6 +96,7 @@ bool DialogDummyVideo::CreateDummyVideo(wxWindow *parent, wxString &out_filename
 			length = 2;
 		}
 		colour = dlg.colour->GetColour();
+		pattern = dlg.pattern->GetValue();
 
 		// Write to options
 		Options.SetFloat(_T("Video Dummy Last FPS"), fps);
@@ -102,8 +104,9 @@ bool DialogDummyVideo::CreateDummyVideo(wxWindow *parent, wxString &out_filename
 		Options.SetInt(_T("Video Dummy Last Height"), height);
 		Options.SetInt(_T("Video Dummy Last Length"), length);
 		Options.SetColour(_T("Video Dummy Last Colour"), colour);
+		Options.SetBool(_T("Video Dummy Pattern"), pattern);
 
-		out_filename = DummyVideoProvider::MakeFilename(fps, length, width, height, colour);
+		out_filename = DummyVideoProvider::MakeFilename(fps, length, width, height, colour, pattern);
 		return true;
 	} else {
 		return false;
@@ -120,6 +123,7 @@ DialogDummyVideo::DialogDummyVideo(wxWindow *parent)
 	width = new wxTextCtrl(this, -1);
 	height = new wxTextCtrl(this, -1);
 	colour = new ColourButton(this, -1, wxSize(30, 17), Options.AsColour(_T("Video Dummy Last Colour")));
+	pattern = new wxCheckBox(this, -1, _("Checkerboard pattern"));
 	//fps = new wxComboBox(this, Dummy_Video_FPS, Options.AsText(_T("Video Dummy Last FPS")), wxDefaultPosition, wxDefaultSize, 0, 0, wxCB_DROPDOWN);
 	fps = new wxTextCtrl(this, Dummy_Video_FPS, Options.AsText(_T("Video Dummy Last FPS")));
 	length = new wxSpinCtrl(this, Dummy_Video_Length);
@@ -137,6 +141,8 @@ DialogDummyVideo::DialogDummyVideo(wxWindow *parent)
 	fg->Add(res_sizer, 1, wxEXPAND);
 	fg->Add(new wxStaticText(this, -1, _("Colour:")), 0, wxALIGN_CENTRE_VERTICAL);
 	fg->Add(colour, 1, wxFIXED_MINSIZE|wxALIGN_LEFT|wxALIGN_CENTRE_VERTICAL);
+	fg->AddStretchSpacer();
+	fg->Add(pattern, 1, wxALIGN_LEFT|wxALIGN_CENTRE_VERTICAL);
 	fg->Add(new wxStaticText(this, -1, _("Frame rate (fps):")), 0, wxALIGN_CENTRE_VERTICAL);
 	fg->Add(fps, 1, wxEXPAND);
 	fg->Add(new wxStaticText(this, -1, _("Duration (frames):")), 0, wxALIGN_CENTRE_VERTICAL);
@@ -166,6 +172,7 @@ DialogDummyVideo::DialogDummyVideo(wxWindow *parent)
 			resolution_shortcuts->SetSelection(lastres);
 		lastres++;
 	}
+	pattern->SetValue(Options.AsBool(_T("Video Dummy Pattern")));
 	/*fps->Append(_T("23.976"));
 	fps->Append(_T("29.97"));
 	fps->Append(_T("24"));

aegisub/dialog_dummy_video.h

@@ -53,6 +53,7 @@ private:
 	wxTextCtrl *width;
 	wxTextCtrl *height;
 	ColourButton *colour;
+	wxCheckBox *pattern;
 	//wxComboBox *fps;
 	wxTextCtrl *fps;
 	wxSpinCtrl *length;

aegisub/options.cpp

@@ -145,6 +145,7 @@ void OptionsManager::LoadDefaults() {
 	SetColour(_T("Video Dummy Last Colour"), wxColour(47, 163, 254));
 	SetFloat(_T("Video Dummy Last FPS"), 23.976);
 	SetInt(_T("Video Dummy Last Length"), 40000);
+	SetBool(_T("Video Dummy Pattern"), false);
 
 	// Video Provider (Advanced)
 	SetModificationType(MOD_RESTART);

aegisub/video_provider_dummy.cpp

@@ -37,6 +37,7 @@
 ///////////
 // Headers
 #include "video_provider_dummy.h"
+#include "colorspace.h"
 #include <wx/tokenzr.h>
 
 
@@ -52,7 +53,7 @@ public:
 
 ///////////////
 // Constructor
-void DummyVideoProvider::Create(double _fps, int frames, int _width, int _height, const wxColour &colour) {
+void DummyVideoProvider::Create(double _fps, int frames, int _width, int _height, const wxColour &colour, bool pattern) {
 	lastFrame = -1;
 	framecount = frames;
 	fps = _fps;
@@ -62,6 +63,50 @@ void DummyVideoProvider::Create(double _fps, int frames, int _width, int _height
 	frame = AegiVideoFrame(width,height,FORMAT_RGB32);
 	unsigned char *dst = frame.data[0];
 	unsigned char r = colour.Red(), g = colour.Green(), b = colour.Blue();
+
+	unsigned char h, s, l, lr, lg, lb; // light variants
+	rgb_to_hsl(r, g, b, &h, &s, &l);
+	l = 255 - (255 - l) / 2;
+	hsl_to_rgb(h, s, l, &lr, &lg, &lb);
+
+	if (pattern) {
+		int ppitch = frame.pitch[0] / frame.GetBpp();
+		for (int y = 0; y < frame.h; ++y) {
+			if ((y / 8) & 1) {
+				for (int x = 0; x < ppitch; ++x) {
+					if ((x / 8) & 1) {
+						*dst++ = b;
+						*dst++ = g;
+						*dst++ = r;
+						*dst++ = 0;
+					}
+					else {
+						*dst++ = lb;
+						*dst++ = lg;
+						*dst++ = lr;
+						*dst++ = 0;
+					}
+				}
+			}
+			else {
+				for (int x = 0; x < ppitch; ++x) {
+					if ((x / 8) & 1) {
+						*dst++ = lb;
+						*dst++ = lg;
+						*dst++ = lr;
+						*dst++ = 0;
+					}
+					else {
+						*dst++ = b;
+						*dst++ = g;
+						*dst++ = r;
+						*dst++ = 0;
+					}
+				}
+			}
+		}
+	}
+	else {
 		for (int i=frame.pitch[0]*frame.h/frame.GetBpp();--i>=0;) {
 			*dst++ = b;
 			*dst++ = g;
@@ -69,6 +114,7 @@ void DummyVideoProvider::Create(double _fps, int frames, int _width, int _height
 			*dst++ = 0;
 		}
 	}
+}
 
 
 ///////////////////////
@@ -87,6 +133,7 @@ DummyVideoProvider::DummyVideoProvider(wxString filename, double _fps)
 
 	double parsedfps;
 	long _frames, _width, _height, red, green, blue;
+	bool pattern = false;
 
 	wxString field = t.GetNextToken();
 	if (!field.ToDouble(&parsedfps)) {
@@ -125,14 +172,19 @@ DummyVideoProvider::DummyVideoProvider(wxString filename, double _fps)
 		throw _T("Unable to parse bluecolour field in dummy video parameter list");
 	}
 
-	Create(_fps, _frames, _width, _height, wxColour(red, green, blue));
+	field = t.GetNextToken();
+	if (field == _T("c")) {
+		pattern = true;
+	}
+
+	Create(_fps, _frames, _width, _height, wxColour(red, green, blue), pattern);
 }
 
 
 //////////////////////
 // Direct constructor
-DummyVideoProvider::DummyVideoProvider(double _fps, int frames, int _width, int _height, const wxColour &colour) {
+DummyVideoProvider::DummyVideoProvider(double _fps, int frames, int _width, int _height, const wxColour &colour, bool pattern) {
-	Create(_fps, frames, _width, _height, colour);
+	Create(_fps, frames, _width, _height, colour, pattern);
 }
 
 
@@ -144,8 +196,8 @@ DummyVideoProvider::~DummyVideoProvider() {
 
 //////////////////////////////////////////////////
 // Construct a fake filename describing the video
-wxString DummyVideoProvider::MakeFilename(double fps, int frames, int _width, int _height, const wxColour &colour) {
+wxString DummyVideoProvider::MakeFilename(double fps, int frames, int _width, int _height, const wxColour &colour, bool pattern) {
-	return wxString::Format(_T("?dummy:%f:%d:%d:%d:%d:%d:%d"), fps, frames, _width, _height, colour.Red(), colour.Green(), colour.Blue());
+	return wxString::Format(_T("?dummy:%f:%d:%d:%d:%d:%d:%d:%s"), fps, frames, _width, _height, colour.Red(), colour.Green(), colour.Blue(), pattern?_T("c"):_T(""));
 }
 
 

aegisub/video_provider_dummy.h

@@ -56,17 +56,17 @@ private:
 	int height;
 	AegiVideoFrame frame;
 
-	void Create(double fps, int frames, int _width, int _height, const wxColour &colour);
+	void Create(double fps, int frames, int _width, int _height, const wxColour &colour, bool pattern);
 
 protected:
 	const AegiVideoFrame DoGetFrame(int n);
 
 public:
 	DummyVideoProvider(wxString filename, double fps);
-	DummyVideoProvider(double fps, int frames, int _width, int _height, const wxColour &colour);
+	DummyVideoProvider(double fps, int frames, int _width, int _height, const wxColour &colour, bool pattern);
 	~DummyVideoProvider();
 
-	static wxString MakeFilename(double fps, int frames, int _width, int _height, const wxColour &colour);
+	static wxString MakeFilename(double fps, int frames, int _width, int _height, const wxColour &colour, bool pattern);
 
 	int GetPosition();
 	int GetFrameCount();