Diff: PixelArray.cpp

Revision:

0:bdce2379bd67

Child:

1:41b9f8ec0b6a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PixelArray.cpp	Sat Aug 02 21:45:04 2014 +0000
@@ -0,0 +1,148 @@
+#include "PixelArray.h"
+
+PixelArray::PixelArray(int size)
+{
+    __bufsize = size;
+}
+
+
+
+PixelArray::~PixelArray()
+{
+}
+
+
+// 0 = blue, 1 = red, 2 = green, 3 = brightness
+
+
+
+void PixelArray::clear()
+{
+}
+
+
+void PixelArray::SetAll(unsigned int value)
+{
+    // for each pixel
+    for (int i=0 ; i < __bufsize; i++) {
+        __set_pixel(i,value);
+    }
+}
+
+
+void PixelArray::SetAllI(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < __bufsize; i++) {
+        __set_pixel_component(i,3,value);
+    }
+}
+
+
+
+void PixelArray::SetAllR(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < __bufsize; i++) {
+        __set_pixel_component(i,2,value);
+    }
+}
+
+void PixelArray::SetAllG(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < __bufsize; i++) {
+        __set_pixel_component(i,1,value);
+    }
+}
+
+void PixelArray::SetAllB(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < __bufsize; i++) {
+        __set_pixel_component(i,0,value);
+    }
+}
+
+
+
+
+
+void PixelArray::Set(int i, unsigned int value)
+{
+    if ((i >= 0) && (i < __bufsize)) {
+        __set_pixel(i,value);
+    }
+}
+
+
+
+void PixelArray::SetI(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < __bufsize)) {
+        __set_pixel_component(i,3,value);
+    }
+}
+
+
+void PixelArray::SetR(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < __bufsize)) {
+        __set_pixel_component(i,2,value);
+    }
+}
+
+void PixelArray::SetG(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < __bufsize)) {
+        __set_pixel_component(i,1,value);
+    }
+}
+
+void PixelArray::SetB(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < __bufsize)) {
+        __set_pixel_component(i,0,value);
+    }
+}
+
+
+
+
+
+
+
+
+
+int* PixelArray::getBuf()
+{
+    return (__pbuf);
+}
+
+
+
+
+
+// set either the I,R,G,B value of specific pixel channel
+void PixelArray::__set_pixel_component(int index, int channel, int value)
+{
+
+    // AND with 0x00 shifted to the right location to clear the bits
+    __pbuf[index] &= ~(0xFF << (8 * channel));
+
+    // Set the bits with an OR
+    __pbuf[index] |= (value << (8 * channel));
+}
+
+
+// set either the I,R,G,B value of specific pixel channel
+void PixelArray::__set_pixel(int index, int value)
+{
+    // AND with 0x00 shifted to the right location to clear the bits
+    __pbuf[index] = value;
+}
+
+
+
+
+