1 files changed, 120 insertions, 0 deletions
diff --git a/BiomeVisualiser/Pixmap.cpp b/BiomeVisualiser/Pixmap.cpp
new file mode 100644
index 000000000..39a015b9c
--- /dev/null
+++ b/BiomeVisualiser/Pixmap.cpp
@@ -0,0 +1,120 @@
+
+// Pixmap.cpp
+
+// Implements the cPixmap class that represents a RGB pixmap and allows simple operations on it
+
+#include "Globals.h"
+#include "Pixmap.h"
+
+
+
+
+
+cPixmap::cPixmap(void) :
+	m_Width(0),
+	m_Height(0),
+	m_Stride(0),
+	m_Pixels(NULL)
+{
+}
+
+
+
+
+
+cPixmap::cPixmap(int a_Width, int a_Height) :
+	m_Width(0),
+	m_Height(0),
+	m_Stride(0),
+	m_Pixels(NULL)
+{
+	SetSize(a_Width, a_Height);
+}
+
+
+
+
+
+cPixmap::~cPixmap()
+{
+	delete m_Pixels;
+}
+
+
+
+
+
+void cPixmap::SetSize(int a_Width, int a_Height)
+{
+	delete m_Pixels;
+	m_Pixels = new int[a_Width * a_Height];
+	m_Width = a_Width;
+	m_Height = a_Height;
+	m_Stride = m_Width;  // Currently we don't need a special stride value, but let's support it for the future :)
+}
+
+
+
+
+
+void cPixmap::SetPixel(int a_X, int a_Y, int a_Color)
+{
+	ASSERT(a_X >= 0);
+	ASSERT(a_X < m_Width);
+	ASSERT(a_Y >= 0);
+	ASSERT(a_Y < m_Height);
+	
+	m_Pixels[a_X + a_Y * m_Stride] = a_Color;
+}
+
+
+
+
+
+int cPixmap::GetPixel(int a_X, int a_Y) const
+{
+	ASSERT(a_X >= 0);
+	ASSERT(a_X < m_Width);
+	ASSERT(a_Y >= 0);
+	ASSERT(a_Y < m_Height);
+	
+	return m_Pixels[a_X + a_Y * m_Stride];
+}
+
+
+
+
+
+void cPixmap::Fill(int a_Color)
+{
+	int NumElements = m_Height * m_Stride;
+	for (int i = 0; i < NumElements; i++)
+	{
+		m_Pixels[i] = a_Color;
+	}
+}
+
+
+
+
+
+void cPixmap::DrawToDC(HDC a_DC, int a_OriginX, int a_OriginY)
+{
+	BITMAPINFO bmi;
+	bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
+	bmi.bmiHeader.biWidth = m_Width;
+	bmi.bmiHeader.biHeight = -m_Height;  // Negative, we are top-down, unlike BMPs
+	bmi.bmiHeader.biPlanes = 1;
+	bmi.bmiHeader.biBitCount = 32;
+	bmi.bmiHeader.biCompression = BI_RGB;
+	bmi.bmiHeader.biSizeImage = m_Stride * m_Height * 4;
+	bmi.bmiHeader.biXPelsPerMeter = 1440;
+	bmi.bmiHeader.biYPelsPerMeter = 1440;
+	bmi.bmiHeader.biClrUsed = 0;
+	bmi.bmiHeader.biClrImportant = 0;
+	SetDIBitsToDevice(a_DC, a_OriginX, a_OriginY, m_Width, m_Height, 0, 0, 0, m_Height, m_Pixels, &bmi, DIB_RGB_COLORS);
+}
+
+
+
+