206 lines
7.5 KiB
C#
206 lines
7.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Mesen.GUI.Debugger.Controls
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{
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class MemoryRegionInfo
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{
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public string Name { get; set; }
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public int Size { get; set; }
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public Color Color { get; set; }
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}
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class ctrlMemoryMapping : Control
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{
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List<MemoryRegionInfo> _regions = new List<MemoryRegionInfo>();
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public ctrlMemoryMapping()
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{
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this.DoubleBuffered = true;
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this.ResizeRedraw = true;
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}
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private void UpdateRegionArray(List<MemoryRegionInfo> regions)
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{
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if(regions.Count != _regions.Count) {
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_regions = regions;
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this.Invalidate();
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} else {
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for(int i = 0; i < regions.Count; i++) {
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if(_regions[i].Color != regions[i].Color || _regions[i].Name != regions[i].Name || _regions[i].Size != regions[i].Size) {
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_regions = regions;
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this.Invalidate();
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return;
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}
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}
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}
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}
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public void UpdateCpuRegions(CartridgeState state)
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{
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List<MemoryRegionInfo> regions = new List<MemoryRegionInfo>();
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regions.Add(new MemoryRegionInfo() { Name = "Internal RAM", Size = 0x2000, Color = Color.FromArgb(222, 222, 222) });
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regions.Add(new MemoryRegionInfo() { Name = "CPU Registers", Size = 0x2020, Color = Color.FromArgb(222, 222, 222) });
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Action<int> addEmpty = (int size) => { regions.Add(new MemoryRegionInfo() { Name = "N/A", Size = size, Color = Color.FromArgb(222, 222, 222) }); };
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Action<int, int> addWorkRam = (int page, int size) => {
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string name = size >= 0x2000 ? ("Work RAM ($" + page.ToString("X2") + ")") : (size >= 0x800 ? ("$" + page.ToString("X2")) : "");
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regions.Add(new MemoryRegionInfo() { Name = name, Size = size, Color = Color.FromArgb(0xCD, 0xDC, 0xFA) });
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};
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Action<int, int> addSaveRam = (int page, int size) => {
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string name = size >= 0x2000 ? ("Save RAM ($" + page.ToString("X2") + ")") : (size >= 0x800 ? ("$" + page.ToString("X2")) : "");
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regions.Add(new MemoryRegionInfo() { Name = name, Size = size, Color = Color.FromArgb(0xFA, 0xDC, 0xCD) });
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};
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Action<int, int, Color> addPrgRom = (int page, int size, Color color) => { regions.Add(new MemoryRegionInfo() { Name = "$" + page.ToString("X2"), Size = size, Color = color }); };
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PrgMemoryType? memoryType = null;
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int currentSize = 0;
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int sizeOffset = -0x20;
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int startIndex = 0x40;
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bool alternateColor = true;
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Action<int> addSection = (int i) => {
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if(currentSize == 0) {
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return;
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}
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int size = currentSize + sizeOffset;
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if(memoryType == null) {
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addEmpty(size);
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} else if(memoryType == PrgMemoryType.PrgRom) {
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addPrgRom((int)(state.PrgMemoryOffset[startIndex] / state.PrgPageSize), size, alternateColor ? Color.FromArgb(0xC4, 0xE7, 0xD4) : Color.FromArgb(0xA4, 0xD7, 0xB4));
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alternateColor = !alternateColor;
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} else if(memoryType == PrgMemoryType.WorkRam) {
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addWorkRam((int)(state.PrgMemoryOffset[startIndex] / state.WorkRamPageSize), size);
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} else if(memoryType == PrgMemoryType.SaveRam) {
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if(state.HasBattery) {
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addSaveRam((int)(state.PrgMemoryOffset[startIndex] / state.SaveRamPageSize), size);
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} else {
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addWorkRam((int)(state.PrgMemoryOffset[startIndex] / state.SaveRamPageSize), size);
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}
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}
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sizeOffset = 0;
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currentSize = 0;
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startIndex = i;
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};
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for(int i = 0x40; i < 0x100; i++) {
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if(state.PrgMemoryAccess[i] != MemoryAccessType.NoAccess) {
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bool forceNewBlock = memoryType == PrgMemoryType.PrgRom && (i - startIndex) << 8 >= state.PrgPageSize;
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if(forceNewBlock || memoryType != state.PrgMemoryType[i] || state.PrgMemoryOffset[i] - state.PrgMemoryOffset[i-1] != 0x100) {
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addSection(i);
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}
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memoryType = state.PrgMemoryType[i];
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} else {
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if(memoryType != null) {
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addSection(i);
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}
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memoryType = null;
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}
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currentSize += 0x100;
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}
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addSection(-1);
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UpdateRegionArray(regions);
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}
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public void UpdatePpuRegions(CartridgeState state)
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{
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List<MemoryRegionInfo> regions = new List<MemoryRegionInfo>();
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ChrMemoryType? memoryType = null;
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int currentSize = 0;
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int startIndex = 0;
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bool alternateColor = true;
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Action<int> addSection = (int i) => {
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if(currentSize == 0) {
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return;
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}
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if(memoryType == null) {
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regions.Add(new MemoryRegionInfo() { Name = "N/A", Size = currentSize, Color = Color.FromArgb(222, 222, 222) });
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} else if(memoryType == ChrMemoryType.ChrRom || memoryType == ChrMemoryType.Default && state.ChrRomSize > 0) {
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int page = (int)(state.ChrMemoryOffset[startIndex] / state.ChrPageSize);
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Color color = alternateColor ? Color.FromArgb(0xC4, 0xE7, 0xD4) : Color.FromArgb(0xA4, 0xD7, 0xB4);
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alternateColor = !alternateColor;
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regions.Add(new MemoryRegionInfo() { Name = "$" + page.ToString("X2"), Size = currentSize, Color = color });
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} else if(memoryType == ChrMemoryType.ChrRam || memoryType == ChrMemoryType.Default && state.ChrRomSize == 0) {
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int page = (int)(state.ChrMemoryOffset[startIndex] / state.ChrPageSize);
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Color color = alternateColor ? Color.FromArgb(0xC4, 0xE0, 0xF4) : Color.FromArgb(0xB4, 0xD0, 0xE4);
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alternateColor = !alternateColor;
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regions.Add(new MemoryRegionInfo() { Name = "$" + page.ToString("X2"), Size = currentSize, Color = color });
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}
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currentSize = 0;
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startIndex = i;
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};
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for(int i = 0; i < 0x20; i++) {
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if(state.ChrMemoryAccess[i] != MemoryAccessType.NoAccess) {
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bool forceNewBlock = (i - startIndex) << 8 >= state.ChrPageSize;
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if(forceNewBlock || memoryType != state.ChrMemoryType[i] || state.ChrMemoryOffset[i] - state.ChrMemoryOffset[i - 1] != 0x100) {
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addSection(i);
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}
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memoryType = state.ChrMemoryType[i];
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} else {
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if(memoryType != null) {
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addSection(i);
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}
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memoryType = null;
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}
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currentSize += 0x100;
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}
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addSection(-1);
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for(int i = 0; i < 4; i++) {
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regions.Add(new MemoryRegionInfo() { Name = "NT " + state.Nametables[i].ToString(), Size = 0x400, Color = i % 2 == 0 ? Color.FromArgb(0xF4, 0xC7, 0xD4) : Color.FromArgb(0xD4, 0xA7, 0xB4) });
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}
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UpdateRegionArray(regions);
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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e.Graphics.Clear(Color.LightGray);
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if(_regions.Count > 0) {
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Rectangle rect = Rectangle.Inflate(this.ClientRectangle, -2, -1);
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int totalSize = 0;
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foreach(MemoryRegionInfo region in _regions) {
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totalSize += region.Size;
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}
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float pixelsPerByte = (float)rect.Width / totalSize;
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float currentPosition = 1;
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int byteOffset = 0;
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foreach(MemoryRegionInfo region in _regions) {
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float length = pixelsPerByte * region.Size;
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using(Brush brush = new SolidBrush(region.Color)) {
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e.Graphics.FillRectangle(brush, currentPosition, 0, length, rect.Height);
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}
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e.Graphics.DrawRectangle(Pens.Black, currentPosition, 0, length, rect.Height);
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e.Graphics.RotateTransform(-90);
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SizeF textSize = e.Graphics.MeasureString(byteOffset.ToString("X4"), new Font("Arial", 8));
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e.Graphics.DrawString(byteOffset.ToString("X4"), new Font("Arial", 8), Brushes.Black, -rect.Height + (rect.Height - textSize.Width) / 2, currentPosition + 3);
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e.Graphics.ResetTransform();
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textSize = e.Graphics.MeasureString(region.Name, new Font("Arial", 9));
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e.Graphics.DrawString(region.Name, new Font("Arial", 9), Brushes.Black, currentPosition + 12 + ((length - 12) / 2 - textSize.Width / 2), rect.Height / 2 - 7);
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currentPosition += length;
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byteOffset += region.Size;
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}
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}
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}
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}
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}
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