diff trunk/src/Modules/Output/Graphics/Devices/GraphicsOutputDeviceCairo.cc @ 398:3ee03a6b95a0

- All \t to two spaces (style guide compliance)
author tomwalters
date Fri, 15 Oct 2010 05:46:53 +0000
parents 7a573750b186
children 7bfed53caacf
line wrap: on
line diff
--- a/trunk/src/Modules/Output/Graphics/Devices/GraphicsOutputDeviceCairo.cc	Fri Oct 15 05:40:53 2010 +0000
+++ b/trunk/src/Modules/Output/Graphics/Devices/GraphicsOutputDeviceCairo.cc	Fri Oct 15 05:46:53 2010 +0000
@@ -36,31 +36,31 @@
 #include "Output/GraphicsOutputDeviceCairo.h"
 
 GraphicsOutputDeviceCairo::GraphicsOutputDeviceCairo(Parameters *pParam)
-	: GraphicsOutputDevice(pParam) {
-	m_bOutputFile = false;
-	m_iFileNumber = 0;
-	m_iVertexType = VertexTypeNone;
-	m_bUseMemoryBuffer=false;
+  : GraphicsOutputDevice(pParam) {
+  m_bOutputFile = false;
+  m_iFileNumber = 0;
+  m_iVertexType = VertexTypeNone;
+  m_bUseMemoryBuffer=false;
 }
 
 bool GraphicsOutputDeviceCairo::Initialize(const char *sDir) {
   Init();
 
-	//! \todo Output to file if sDir is a file, to directory with
+  //! \todo Output to file if sDir is a file, to directory with
   //! multiple images if it's a directory.
-	strncpy(m_sDir, sDir, sizeof(m_sDir)/sizeof(m_sDir[0]));
+  strncpy(m_sDir, sDir, sizeof(m_sDir)/sizeof(m_sDir[0]));
 
-	/* Try to open an image to see if everything is allright. We want to avoid
-	 * errors in the main Process()ing loop. */
-	if ( !OpenFile(0) ) {
-		//! \todo Better error message that is more specific about the cause.
-		AIM_ERROR(_T("Could not open output directory '%s' using graphics format '%s'."),
-			m_sDir, m_pParam->GetString("output.img.format") );
-		return false;
-	}
-	CloseFile();
+  /* Try to open an image to see if everything is allright. We want to avoid
+   * errors in the main Process()ing loop. */
+  if ( !OpenFile(0) ) {
+    //! \todo Better error message that is more specific about the cause.
+    AIM_ERROR(_T("Could not open output directory '%s' using graphics format '%s'."),
+      m_sDir, m_pParam->GetString("output.img.format") );
+    return false;
+  }
+  CloseFile();
 
-	return true;
+  return true;
 }
 
 bool GraphicsOutputDeviceCairo::Initialize() {
@@ -70,17 +70,17 @@
 }
 
 void GraphicsOutputDeviceCairo::Init() {
- 	AIM_ASSERT(m_pParam);
-	/*
-	 * Set parameters
-	 */
-	m_pParam->GetString("output.img.color.background");
+   AIM_ASSERT(m_pParam);
+  /*
+   * Set parameters
+   */
+  m_pParam->GetString("output.img.color.background");
 
-	m_bInvertColors = m_pParam->GetBool("output.img.color.invert");
+  m_bInvertColors = m_pParam->GetBool("output.img.color.invert");
 
-	// Output size!
-	m_iWidth = m_pParam->GetUInt("output.img.width");
-	m_iHeight = m_pParam->GetUInt("output.img.height");
+  // Output size!
+  m_iWidth = m_pParam->GetUInt("output.img.width");
+  m_iHeight = m_pParam->GetUInt("output.img.height");
 }
 
 unsigned char* GraphicsOutputDeviceCairo::GetBuffer() {
@@ -136,42 +136,42 @@
                                            m_iHeight);
   m_cCr = cairo_create (m_cSurface);
   cairo_scale(m_cCr, (float)m_iWidth, (float)m_iHeight);
-	// Now setup things for this plotter.
-	cairo_select_font_face(m_cCr,
+  // Now setup things for this plotter.
+  cairo_select_font_face(m_cCr,
                          m_pParam->GetString("output.img.fontname"),
                          CAIRO_FONT_SLANT_NORMAL,
                          CAIRO_FONT_WEIGHT_BOLD);
   cairo_set_font_size (m_cCr, 0.015);
-	return true;
+  return true;
 }
 
 void GraphicsOutputDeviceCairo::CloseFile() {
-	// Plotting library
-	if (m_iPlotHandle>0) {
-	    cairo_destroy(m_cCr);
-		m_iPlotHandle = 0;
-	}
-	// And the output file
-	if (m_bOutputFile) {
-	  cairo_surface_write_to_png(m_cSurface, m_sFilename);
-		m_bOutputFile = false;
-	}
-	cairo_surface_destroy(m_cSurface);
+  // Plotting library
+  if (m_iPlotHandle>0) {
+      cairo_destroy(m_cCr);
+    m_iPlotHandle = 0;
+  }
+  // And the output file
+  if (m_bOutputFile) {
+    cairo_surface_write_to_png(m_cSurface, m_sFilename);
+    m_bOutputFile = false;
+  }
+  cairo_surface_destroy(m_cSurface);
 }
 
 GraphicsOutputDeviceCairo::~GraphicsOutputDeviceCairo() {
-	AIM_ASSERT(!m_iPlotHandle);
-	CloseFile();
+  AIM_ASSERT(!m_iPlotHandle);
+  CloseFile();
 }
 
 void GraphicsOutputDeviceCairo::gGrab() {
   // Open file.
-	if (!OpenFile(m_iFileNumber)) {
-		return;
+  if (!OpenFile(m_iFileNumber)) {
+    return;
   }
-	// Setup plotting area.
-	cairo_set_line_width (m_cCr, 0.001f);
-	gColor3f (0.0f, 0.0f, 0.0f);
+  // Setup plotting area.
+  cairo_set_line_width (m_cCr, 0.001f);
+  gColor3f (0.0f, 0.0f, 0.0f);
   cairo_paint (m_cCr);
   gColor3f(1.0f, 1.0f, 0.0f);
 }
@@ -181,80 +181,80 @@
 }
 
 void GraphicsOutputDeviceCairo::gBeginLineStrip() {
-	m_bIsFirstVertex = true;
-	m_iVertexType = VertexTypeLine;
-	//! \todo Make line width user-settable
-	cairo_set_line_width (m_cCr, 0.001f);
+  m_bIsFirstVertex = true;
+  m_iVertexType = VertexTypeLine;
+  //! \todo Make line width user-settable
+  cairo_set_line_width (m_cCr, 0.001f);
 }
 
 void GraphicsOutputDeviceCairo::gBeginQuadStrip() {
-	m_bIsFirstVertex = true;
-	m_iVertexType = VertexTypeQuad;
-	m_iPrevVertexCount = 0;
+  m_bIsFirstVertex = true;
+  m_iVertexType = VertexTypeQuad;
+  m_iPrevVertexCount = 0;
   cairo_set_line_width (m_cCr, 0.001f);
 }
 
 void GraphicsOutputDeviceCairo::gColor3f(float r, float g, float b) {
   if (m_bInvertColors) {
-		r = 1-r;
-		g = 1-g;
-		b = 1-b;
-	}
+    r = 1-r;
+    g = 1-g;
+    b = 1-b;
+  }
   cairo_set_source_rgb (m_cCr, r, g, b);
 }
 
 void GraphicsOutputDeviceCairo::gVertex3f(float x, float y, float z) {
-	switch(m_iVertexType) {
-	case VertexTypeLine:
-		if (m_bIsFirstVertex) {
-			m_bIsFirstVertex = false;
-			//pl_fmove(x, y);
-			cairo_move_to(m_cCr, x, 1-y);
-		} else {
-			//pl_fcont(x, y);
-			cairo_line_to(m_cCr, x, 1-y);
-		}
-		break;
-	case VertexTypeQuad:
-		/* Store vertices until we got four in a row.
-		 * The order of vertices when processing quads is:
-		 *    1-----3-----5
-		 *    |     |     |
-		 *    0-----2-----4
-		 */
-		if (m_iPrevVertexCount >= 3) {
-			// Plot this quad
-			cairo_move_to(m_cCr, m_aPrevX[0], 1-m_aPrevY[0]);
-			cairo_line_to(m_cCr, m_aPrevX[1], 1-m_aPrevY[1]);
-			cairo_line_to(m_cCr, x, y);
-			cairo_line_to(m_cCr, m_aPrevX[2], 1-m_aPrevY[2]);
-			cairo_close_path (m_cCr);
+  switch(m_iVertexType) {
+  case VertexTypeLine:
+    if (m_bIsFirstVertex) {
+      m_bIsFirstVertex = false;
+      //pl_fmove(x, y);
+      cairo_move_to(m_cCr, x, 1-y);
+    } else {
+      //pl_fcont(x, y);
+      cairo_line_to(m_cCr, x, 1-y);
+    }
+    break;
+  case VertexTypeQuad:
+    /* Store vertices until we got four in a row.
+     * The order of vertices when processing quads is:
+     *    1-----3-----5
+     *    |     |     |
+     *    0-----2-----4
+     */
+    if (m_iPrevVertexCount >= 3) {
+      // Plot this quad
+      cairo_move_to(m_cCr, m_aPrevX[0], 1-m_aPrevY[0]);
+      cairo_line_to(m_cCr, m_aPrevX[1], 1-m_aPrevY[1]);
+      cairo_line_to(m_cCr, x, y);
+      cairo_line_to(m_cCr, m_aPrevX[2], 1-m_aPrevY[2]);
+      cairo_close_path (m_cCr);
 
-			// Last vertices of this quad are the first of the next
-			m_aPrevX[0] = m_aPrevX[2];
-			m_aPrevY[0] = m_aPrevY[2];
-			m_aPrevX[1] = x;
-			m_aPrevY[1] = y;
-			m_iPrevVertexCount = 2;
-		} else {
-			// Not at the fourth, keep storing
-			m_aPrevX[m_iPrevVertexCount] = x;
-			m_aPrevY[m_iPrevVertexCount] = y;
-			m_iPrevVertexCount++;
-		}
-		break;
-	default:
-		// Should not happen
-		AIM_ASSERT(0);
-	}
+      // Last vertices of this quad are the first of the next
+      m_aPrevX[0] = m_aPrevX[2];
+      m_aPrevY[0] = m_aPrevY[2];
+      m_aPrevX[1] = x;
+      m_aPrevY[1] = y;
+      m_iPrevVertexCount = 2;
+    } else {
+      // Not at the fourth, keep storing
+      m_aPrevX[m_iPrevVertexCount] = x;
+      m_aPrevY[m_iPrevVertexCount] = y;
+      m_iPrevVertexCount++;
+    }
+    break;
+  default:
+    // Should not happen
+    AIM_ASSERT(0);
+  }
 }
 
 void GraphicsOutputDeviceCairo::gEnd() {
-	if(m_iVertexType==VertexTypeLine)
+  if(m_iVertexType==VertexTypeLine)
     cairo_stroke (m_cCr);
   else
     cairo_fill (m_cCr);
-	m_iVertexType = VertexTypeNone;
+  m_iVertexType = VertexTypeNone;
 }
 
 void GraphicsOutputDeviceCairo::gText3f(float x,
@@ -263,21 +263,21 @@
                                         const char *sStr,
                                         bool bRotated) {
   cairo_text_extents_t te;
-	if (bRotated) {
-	  cairo_rotate(m_cCr, M_PI/2);
-		cairo_move_to(m_cCr, x ,1-y);
-		cairo_show_text(m_cCr, sStr);
-		//cairo_identity_matrix(m_cCr);
-		cairo_rotate(m_cCr, -M_PI/2);
-	} else {
-		cairo_move_to(m_cCr, x ,1-y);
-		cairo_show_text(m_cCr, sStr);
-	}
+  if (bRotated) {
+    cairo_rotate(m_cCr, M_PI/2);
+    cairo_move_to(m_cCr, x ,1-y);
+    cairo_show_text(m_cCr, sStr);
+    //cairo_identity_matrix(m_cCr);
+    cairo_rotate(m_cCr, -M_PI/2);
+  } else {
+    cairo_move_to(m_cCr, x ,1-y);
+    cairo_show_text(m_cCr, sStr);
+  }
 }
 
 void GraphicsOutputDeviceCairo::gRelease() {
-	AIM_ASSERT(m_iPlotHandle>0);
-	CloseFile();
-	// Finished this one, up to the next!
-	m_iFileNumber++;
+  AIM_ASSERT(m_iPlotHandle>0);
+  CloseFile();
+  // Finished this one, up to the next!
+  m_iFileNumber++;
 }