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| author | madmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2013-02-03 21:37:13 +0100 |
|---|---|---|
| committer | madmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2013-02-03 21:37:13 +0100 |
| commit | 2c214603e29f728804cd88522a1097de803ab321 (patch) | |
| tree | a44010a49f1ef59b727982344c04aa8935d97564 /BiomeVisualiser/Pixmap.cpp | |
| parent | Added a GetClassStatic function to all entities, as well as cFurnaceEntity, cChestEntity and cWorld (diff) | |
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Diffstat (limited to '')
| -rw-r--r-- | BiomeVisualiser/Pixmap.cpp | 120 |
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);
+}
+
+
+
+
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