From c29f4944e976b1cd35689f540a917585a4a9fc75 Mon Sep 17 00:00:00 2001 From: Eugene Wang <8755753+soukoku@users.noreply.github.com> Date: Fri, 7 Apr 2023 20:11:26 -0400 Subject: [PATCH] Resurrected previous cap value writer from twaincs. --- samples/WinForm32/Form1.cs | 2 +- src/NTwain/Data/ValueWriter.cs | 1079 +++++++++++++++------------- src/NTwain/TwainAppSession.Caps.cs | 7 +- 3 files changed, 571 insertions(+), 517 deletions(-) diff --git a/samples/WinForm32/Form1.cs b/samples/WinForm32/Form1.cs index 5deb905..bca04eb 100644 --- a/samples/WinForm32/Form1.cs +++ b/samples/WinForm32/Form1.cs @@ -20,7 +20,7 @@ namespace WinFormSample public Form1() { InitializeComponent(); - var libVer = FileVersionInfo.GetVersionInfo(typeof(TwainAppSession).Assembly.Location).FileVersion; + var libVer = FileVersionInfo.GetVersionInfo(typeof(TwainAppSession).Assembly.Location).ProductVersion; Text += $"{(TwainPlatform.Is32bit ? " 32bit" : " 64bit")} on NTwain {libVer}"; TwainPlatform.PreferLegacyDSM = false; diff --git a/src/NTwain/Data/ValueWriter.cs b/src/NTwain/Data/ValueWriter.cs index 345a061..8e4c358 100644 --- a/src/NTwain/Data/ValueWriter.cs +++ b/src/NTwain/Data/ValueWriter.cs @@ -8,7 +8,7 @@ namespace NTwain.Data /// /// Contains methods for writing vairous things to pointers. /// - static class ValueWriter + public static class ValueWriter { /// /// Allocates and copies the string value into a pointer in UTF8 that's null-terminated. @@ -38,556 +38,605 @@ namespace NTwain.Data // most of these are modified from the original TWAIN.CsvToCapability() - //public static void WriteOneValueContainer(IMemoryManager memMgr, ref TW_CAPABILITY twCap, TValue value) where TValue : struct - //{ - // IntPtr lockedPtr = IntPtr.Zero; - // try - // { - // if (twCap.hContainer != IntPtr.Zero) memMgr.Free(ref twCap.hContainer); + /// + /// Creates a with a one-value container. + /// Caller will be responsible for ensuring memory is freed. + /// + /// + /// + /// + /// + /// + public static TW_CAPABILITY CreateOneValueCap(this CAP cap, IMemoryManager memMgr, TValue value) where TValue : struct + { + TW_CAPABILITY twCap = new() { Cap = cap, ConType = TWON.ONEVALUE }; - // TWTY itemType = GetItemType(); + IntPtr lockedPtr = IntPtr.Zero; + try + { + //if (twcap.hContainer != IntPtr.Zero) memMgr.Free(ref twcap.hContainer); - // // Allocate the container (go for worst case, which is TW_STR255)... - // if (TwainPlatform.IsMacOSX) - // { - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ONEVALUE_MACOSX)) + Marshal.SizeOf(default(TW_STR255)))); - // lockedPtr = memMgr.Lock(twCap.hContainer); + TWTY itemType = GetItemType(); - // TW_ONEVALUE_MACOSX twonevaluemacosx = default; - // twonevaluemacosx.ItemType = (uint)itemType; - // Marshal.StructureToPtr(twonevaluemacosx, lockedPtr, false); + // Allocate the container (go for worst case, which is TW_STR255)... + if (TwainPlatform.IsMacOSX) + { + twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ONEVALUE_MACOSX)) + Marshal.SizeOf(default(TW_STR255)))); + lockedPtr = memMgr.Lock(twCap.hContainer); - // lockedPtr += Marshal.SizeOf(twonevaluemacosx); - // } - // else - // { - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ONEVALUE)) + Marshal.SizeOf(default(TW_STR255)))); - // lockedPtr = memMgr.Lock(twCap.hContainer); + TW_ONEVALUE_MACOSX twonevaluemacosx = default; + twonevaluemacosx.ItemType = (uint)itemType; + Marshal.StructureToPtr(twonevaluemacosx, lockedPtr, false); - // TW_ONEVALUE twonevalue = default; - // twonevalue.ItemType = itemType; - // Marshal.StructureToPtr(twonevalue, lockedPtr, false); + lockedPtr += Marshal.SizeOf(twonevaluemacosx); + } + else + { + twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ONEVALUE)) + Marshal.SizeOf(default(TW_STR255)))); + lockedPtr = memMgr.Lock(twCap.hContainer); - // lockedPtr += Marshal.SizeOf(twonevalue); - // } + TW_ONEVALUE twonevalue = default; + twonevalue.ItemType = itemType; + Marshal.StructureToPtr(twonevalue, lockedPtr, false); - // WriteContainerData(lockedPtr, itemType, value, 0); - // } - // finally - // { - // if (lockedPtr != IntPtr.Zero) memMgr.Unlock(twCap.hContainer); - // } - //} + lockedPtr += Marshal.SizeOf(twonevalue); + } - //public static void WriteArrayContainer(IMemoryManager memMgr, ref TW_CAPABILITY twCap, TValue[] values) where TValue : struct - //{ - // IntPtr lockedPtr = IntPtr.Zero; - // try - // { - // if (twCap.hContainer != IntPtr.Zero) memMgr.Free(ref twCap.hContainer); + WriteContainerData(lockedPtr, itemType, value, 0); + } + finally + { + if (lockedPtr != IntPtr.Zero) memMgr.Unlock(twCap.hContainer); + } + return twCap; + } - // TWTY itemType = GetItemType(); + /// + /// Creates a with multiple values in an array container. + /// Caller will be responsible for ensuring memory is freed. + /// + /// + /// + /// + /// + /// + public static TW_CAPABILITY CreateArrayCap(this CAP cap, IMemoryManager memMgr, params TValue[] values) where TValue : struct + { + if (values == null) throw new ArgumentNullException(nameof(values)); - // // Allocate the container (go for worst case, which is TW_STR255)... - // if (TwainPlatform.IsMacOSX) - // { - // // Allocate... - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ARRAY_MACOSX)) + ((values.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); - // lockedPtr = memMgr.Lock(twCap.hContainer); + TW_CAPABILITY twCap = new() { Cap = cap, ConType = TWON.ARRAY }; - // // Set the meta data... - // TW_ARRAY_MACOSX twarraymacosx = default; - // twarraymacosx.ItemType = (uint)itemType; - // twarraymacosx.NumItems = (uint)values.Length; - // Marshal.StructureToPtr(twarraymacosx, lockedPtr, false); + IntPtr lockedPtr = IntPtr.Zero; + try + { + //if (twCap.hContainer != IntPtr.Zero) memMgr.Free(ref twCap.hContainer); - // // Get the pointer to the ItemList... - // lockedPtr += Marshal.SizeOf(twarraymacosx); - // } - // else - // { - // // Allocate... - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ARRAY)) + ((values.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); - // lockedPtr = memMgr.Lock(twCap.hContainer); + TWTY itemType = GetItemType(); - // // Set the meta data... - // TW_ARRAY twarray = default; - // twarray.ItemType = itemType; - // twarray.NumItems = (uint)values.Length; - // Marshal.StructureToPtr(twarray, lockedPtr, false); + // Allocate the container (go for worst case, which is TW_STR255)... + if (TwainPlatform.IsMacOSX) + { + // Allocate... + twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ARRAY_MACOSX)) + ((values.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); + lockedPtr = memMgr.Lock(twCap.hContainer); - // // Get the pointer to the ItemList... - // lockedPtr += Marshal.SizeOf(twarray); - // } + // Set the meta data... + TW_ARRAY_MACOSX twarraymacosx = default; + twarraymacosx.ItemType = (uint)itemType; + twarraymacosx.NumItems = (uint)values.Length; + Marshal.StructureToPtr(twarraymacosx, lockedPtr, false); - // // Set the ItemList... - // for (var i = 0; i < values.Length; i++) - // { - // WriteContainerData(lockedPtr, itemType, values[i], i); - // } - // } - // finally - // { - // if (lockedPtr != IntPtr.Zero) memMgr.Unlock(twCap.hContainer); - // } - //} + // Get the pointer to the ItemList... + lockedPtr += Marshal.SizeOf(twarraymacosx); + } + else + { + // Allocate... + twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ARRAY)) + ((values.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); + lockedPtr = memMgr.Lock(twCap.hContainer); - //public static void WriteEnumContainer(IMemoryManager memMgr, ref TW_CAPABILITY twCap, Enumeration value) where TValue : struct - //{ - // IntPtr lockedPtr = IntPtr.Zero; - // try - // { - // if (twCap.hContainer != IntPtr.Zero) memMgr.Free(ref twCap.hContainer); + // Set the meta data... + TW_ARRAY twarray = default; + twarray.ItemType = itemType; + twarray.NumItems = (uint)values.Length; + Marshal.StructureToPtr(twarray, lockedPtr, false); - // TWTY itemType = GetItemType(); + // Get the pointer to the ItemList... + lockedPtr += Marshal.SizeOf(twarray); + } - // // Allocate the container (go for worst case, which is TW_STR255)... - // if (TwainPlatform.IsMacOSX) - // { - // // Allocate... - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ENUMERATION_MACOSX)) + ((value.Items.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); - // lockedPtr = memMgr.Lock(twCap.hContainer); + // Set the ItemList... + for (var i = 0; i < values.Length; i++) + { + WriteContainerData(lockedPtr, itemType, values[i], i); + } + } + finally + { + if (lockedPtr != IntPtr.Zero) memMgr.Unlock(twCap.hContainer); + } + return twCap; + } - // // Set the meta data... - // TW_ENUMERATION_MACOSX twenumerationmacosx = default; - // twenumerationmacosx.ItemType = (uint)itemType; - // twenumerationmacosx.NumItems = (uint)value.Items.Length; - // twenumerationmacosx.CurrentIndex = (uint)value.CurrentIndex; - // twenumerationmacosx.DefaultIndex = (uint)value.DefaultIndex; - // Marshal.StructureToPtr(twenumerationmacosx, lockedPtr, false); + /// + /// Creates a with multiple values in an enum container. + /// Caller will be responsible for ensuring memory is freed. + /// + /// + /// + /// + /// + /// + /// + public static TW_CAPABILITY CreateEnumCap(this CAP cap, IMemoryManager memMgr, Enumeration value) where TValue : struct + { + if (value.Items == null) throw new ArgumentException("No items found in enumeration", nameof(value)); - // // Get the pointer to the ItemList... - // lockedPtr += Marshal.SizeOf(twenumerationmacosx); - // } - // // Windows or the 2.4+ Linux DSM... - // else if (TWAIN.GetPlatform() == Platform.WINDOWS || - // (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm) || - // ((twain.m_blFoundLatestDsm || twain.m_blFoundLatestDsm64) && (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm))) - // { - // // Allocate... - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ENUMERATION)) + ((value.Items.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); - // lockedPtr = memMgr.Lock(twCap.hContainer); + TW_CAPABILITY twCap = new() { Cap = cap, ConType = TWON.ENUMERATION }; - // // Set the meta data... - // TW_ENUMERATION twenumeration = default; - // twenumeration.ItemType = itemType; - // twenumeration.NumItems = (uint)value.Items.Length; - // twenumeration.CurrentIndex = (uint)value.CurrentIndex; - // twenumeration.DefaultIndex = (uint)value.CurrentIndex; - // Marshal.StructureToPtr(twenumeration, lockedPtr, false); + IntPtr lockedPtr = IntPtr.Zero; + try + { + //if (twCap.hContainer != IntPtr.Zero) memMgr.Free(ref twCap.hContainer); - // // Get the pointer to the ItemList... - // lockedPtr += Marshal.SizeOf(twenumeration); - // } - // // The -2.3 Linux DSM... - // else - // { - // // Allocate... - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ENUMERATION_LINUX64)) + ((value.Items.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); - // lockedPtr = memMgr.Lock(twCap.hContainer); + TWTY itemType = GetItemType(); - // // Set the meta data... - // TW_ENUMERATION_LINUX64 twenumerationlinux64 = default; - // twenumerationlinux64.ItemType = itemType; - // twenumerationlinux64.NumItems = (ulong)value.Items.Length; - // twenumerationlinux64.CurrentIndex = (ulong)value.CurrentIndex; - // twenumerationlinux64.DefaultIndex = (ulong)value.CurrentIndex; - // Marshal.StructureToPtr(twenumerationlinux64, lockedPtr, false); + // Allocate the container (go for worst case, which is TW_STR255)... + if (TwainPlatform.IsMacOSX) + { + // Allocate... + twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ENUMERATION_MACOSX)) + ((value.Items.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); + lockedPtr = memMgr.Lock(twCap.hContainer); - // // Get the pointer to the ItemList... - // lockedPtr += Marshal.SizeOf(twenumerationlinux64); - // } + // Set the meta data... + TW_ENUMERATION_MACOSX twenumerationmacosx = default; + twenumerationmacosx.ItemType = (uint)itemType; + twenumerationmacosx.NumItems = (uint)value.Items.Length; + twenumerationmacosx.CurrentIndex = (uint)value.CurrentIndex; + twenumerationmacosx.DefaultIndex = (uint)value.DefaultIndex; + Marshal.StructureToPtr(twenumerationmacosx, lockedPtr, false); - // // Set the ItemList... - // for (var i = 0; i < value.Items.Length; i++) - // { - // WriteContainerData(lockedPtr, itemType, value.Items[i], i); - // } - // } - // finally - // { - // if (lockedPtr != IntPtr.Zero) memMgr.Unlock(twCap.hContainer); - // } - //} + // Get the pointer to the ItemList... + lockedPtr += Marshal.SizeOf(twenumerationmacosx); + } + // Windows or the 2.4+ Linux DSM... + else + { + // Allocate... + twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ENUMERATION)) + ((value.Items.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); + lockedPtr = memMgr.Lock(twCap.hContainer); - //public static void WriteRangeContainer(IMemoryManager memMgr, ref TW_CAPABILITY twCap, Range value) where TValue : struct - //{ - // IntPtr lockedPtr = IntPtr.Zero; - // try - // { - // if (twCap.hContainer != IntPtr.Zero) memMgr.Free(ref twCap.hContainer); + // Set the meta data... + TW_ENUMERATION twenumeration = default; + twenumeration.ItemType = itemType; + twenumeration.NumItems = (uint)value.Items.Length; + twenumeration.CurrentIndex = (uint)value.CurrentIndex; + twenumeration.DefaultIndex = (uint)value.CurrentIndex; + Marshal.StructureToPtr(twenumeration, lockedPtr, false); - // TWTY itemType = GetItemType(); + // Get the pointer to the ItemList... + lockedPtr += Marshal.SizeOf(twenumeration); + } + // The -2.3 Linux DSM... + //else + //{ + // // Allocate... + // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_ENUMERATION_LINUX64)) + ((value.Items.Length + 1) * Marshal.SizeOf(default(TW_STR255))))); + // lockedPtr = memMgr.Lock(twCap.hContainer); - // // Allocate the container (go for worst case, which is TW_STR255)... - // if (TwainPlatform.IsMacOSX) - // { - // // Allocate... - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_RANGE_MACOSX)))); - // lockedPtr = memMgr.Lock(twCap.hContainer); - // } - // // Windows or the 2.4+ Linux DSM... - // else if (TWAIN.GetPlatform() == Platform.WINDOWS || - // (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm) || - // ((twain.m_blFoundLatestDsm || twain.m_blFoundLatestDsm64) && (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm))) - // { - // // Allocate... - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_RANGE)))); - // lockedPtr = memMgr.Lock(twCap.hContainer); - // } - // // The -2.3 Linux DSM... - // else - // { - // // Allocate... - // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_RANGE_LINUX64)))); - // lockedPtr = memMgr.Lock(twCap.hContainer); - // } + // // Set the meta data... + // TW_ENUMERATION_LINUX64 twenumerationlinux64 = default; + // twenumerationlinux64.ItemType = itemType; + // twenumerationlinux64.NumItems = (ulong)value.Items.Length; + // twenumerationlinux64.CurrentIndex = (ulong)value.CurrentIndex; + // twenumerationlinux64.DefaultIndex = (ulong)value.CurrentIndex; + // Marshal.StructureToPtr(twenumerationlinux64, lockedPtr, false); - // // Set the Item... - // WriteRangeValues(twain, lockedPtr, itemType, value); - // } - // finally - // { - // if (lockedPtr != IntPtr.Zero) memMgr.Unlock(twCap.hContainer); - // } - //} + // // Get the pointer to the ItemList... + // lockedPtr += Marshal.SizeOf(twenumerationlinux64); + //} - //static void WriteRangeValues(IMemoryManager memMgr, IntPtr lockedPtr, TWTY itemType, Range value) where TValue : struct - //{ - // // TODO: reduce this later + // Set the ItemList... + for (var i = 0; i < value.Items.Length; i++) + { + WriteContainerData(lockedPtr, itemType, value.Items[i], i); + } + } + finally + { + if (lockedPtr != IntPtr.Zero) memMgr.Unlock(twCap.hContainer); + } + return twCap; + } - // TW_RANGE twrange = default; - // TW_RANGE_MACOSX twrangemacosx = default; - // TW_RANGE_LINUX64 twrangelinux64 = default; + /// + /// Creates a with multiple values in a range container. + /// Caller will be responsible for ensuring memory is freed. + /// + /// + /// + /// + /// + /// + public static TW_CAPABILITY CreateRangeCap(this CAP cap, IMemoryManager memMgr, Range value) where TValue : struct + { + TW_CAPABILITY twCap = new() { Cap = cap, ConType = TWON.ENUMERATION }; - // switch (itemType) - // { - // default: - // throw new NotSupportedException($"{itemType} is not supported for range."); - // case TWTY.INT8: - // if (TwainPlatform.IsMacOSX) - // { - // twrangemacosx.ItemType = (uint)itemType; - // twrangemacosx.MinValue = (uint)Convert.ToSByte(value.MinValue); - // twrangemacosx.MaxValue = (uint)Convert.ToSByte(value.MaxValue); - // twrangemacosx.StepSize = (uint)Convert.ToSByte(value.StepSize); - // twrangemacosx.DefaultValue = (uint)Convert.ToSByte(value.DefaultValue); - // twrangemacosx.CurrentValue = (uint)Convert.ToSByte(value.CurrentValue); - // Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); - // } - // else if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) - // { - // twrange.ItemType = itemType; - // twrange.MinValue = (uint)Convert.ToSByte(value.MinValue); - // twrange.MaxValue = (uint)Convert.ToSByte(value.MaxValue); - // twrange.StepSize = (uint)Convert.ToSByte(value.StepSize); - // twrange.DefaultValue = (uint)Convert.ToSByte(value.DefaultValue); - // twrange.CurrentValue = (uint)Convert.ToSByte(value.CurrentValue); - // Marshal.StructureToPtr(twrange, lockedPtr, false); - // } - // else - // { - // twrangelinux64.ItemType = itemType; - // twrangelinux64.MinValue = (uint)Convert.ToSByte(value.MinValue); - // twrangelinux64.MaxValue = (uint)Convert.ToSByte(value.MaxValue); - // twrangelinux64.StepSize = (uint)Convert.ToSByte(value.StepSize); - // twrangelinux64.DefaultValue = (uint)Convert.ToSByte(value.DefaultValue); - // twrangelinux64.CurrentValue = (uint)Convert.ToSByte(value.CurrentValue); - // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); - // } - // break; - // case TWTY.UINT8: - // if (TwainPlatform.IsMacOSX) - // { - // twrangemacosx.ItemType = (uint)itemType; - // twrangemacosx.MinValue = Convert.ToByte(value.MinValue); - // twrangemacosx.MaxValue = Convert.ToByte(value.MaxValue); - // twrangemacosx.StepSize = Convert.ToByte(value.StepSize); - // twrangemacosx.DefaultValue = Convert.ToByte(value.DefaultValue); - // twrangemacosx.CurrentValue = Convert.ToByte(value.CurrentValue); - // Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); - // } - // else if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) - // { - // twrange.ItemType = itemType; - // twrange.MinValue = Convert.ToByte(value.MinValue); - // twrange.MaxValue = Convert.ToByte(value.MaxValue); - // twrange.StepSize = Convert.ToByte(value.StepSize); - // twrange.DefaultValue = Convert.ToByte(value.DefaultValue); - // twrange.CurrentValue = Convert.ToByte(value.CurrentValue); - // Marshal.StructureToPtr(twrange, lockedPtr, false); - // } - // else - // { - // twrangelinux64.ItemType = itemType; - // twrangelinux64.MinValue = Convert.ToByte(value.MinValue); - // twrangelinux64.MaxValue = Convert.ToByte(value.MaxValue); - // twrangelinux64.StepSize = Convert.ToByte(value.StepSize); - // twrangelinux64.DefaultValue = Convert.ToByte(value.DefaultValue); - // twrangelinux64.CurrentValue = Convert.ToByte(value.CurrentValue); - // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); - // } - // break; - // case TWTY.INT16: - // if (TwainPlatform.IsMacOSX) - // { - // twrangemacosx.ItemType = (uint)itemType; - // twrangemacosx.MinValue = (uint)Convert.ToInt16(value.MinValue); - // twrangemacosx.MaxValue = (uint)Convert.ToInt16(value.MaxValue); - // twrangemacosx.StepSize = (uint)Convert.ToInt16(value.StepSize); - // twrangemacosx.DefaultValue = (uint)Convert.ToInt16(value.DefaultValue); - // twrangemacosx.CurrentValue = (uint)Convert.ToInt16(value.CurrentValue); - // Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); - // } - // else if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) - // { - // twrange.ItemType = itemType; - // twrange.MinValue = (uint)Convert.ToInt16(value.MinValue); - // twrange.MaxValue = (uint)Convert.ToInt16(value.MaxValue); - // twrange.StepSize = (uint)Convert.ToInt16(value.StepSize); - // twrange.DefaultValue = (uint)Convert.ToInt16(value.DefaultValue); - // twrange.CurrentValue = (uint)Convert.ToInt16(value.CurrentValue); - // Marshal.StructureToPtr(twrange, lockedPtr, false); - // } - // else - // { - // twrangelinux64.ItemType = itemType; - // twrangelinux64.MinValue = (uint)Convert.ToInt16(value.MinValue); - // twrangelinux64.MaxValue = (uint)Convert.ToInt16(value.MaxValue); - // twrangelinux64.StepSize = (uint)Convert.ToInt16(value.StepSize); - // twrangelinux64.DefaultValue = (uint)Convert.ToInt16(value.DefaultValue); - // twrangelinux64.CurrentValue = (uint)Convert.ToInt16(value.CurrentValue); - // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); - // } - // break; - // case TWTY.BOOL: - // case TWTY.UINT16: - // if (TwainPlatform.IsMacOSX) - // { - // twrangemacosx.ItemType = (uint)itemType; - // twrangemacosx.MinValue = Convert.ToUInt16(value.MinValue); - // twrangemacosx.MaxValue = Convert.ToUInt16(value.MaxValue); - // twrangemacosx.StepSize = Convert.ToUInt16(value.StepSize); - // twrangemacosx.DefaultValue = Convert.ToUInt16(value.DefaultValue); - // twrangemacosx.CurrentValue = Convert.ToUInt16(value.CurrentValue); - // Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); - // } - // else if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) - // { - // twrange.ItemType = itemType; - // twrange.MinValue = Convert.ToUInt16(value.MinValue); - // twrange.MaxValue = Convert.ToUInt16(value.MaxValue); - // twrange.StepSize = Convert.ToUInt16(value.StepSize); - // twrange.DefaultValue = Convert.ToUInt16(value.DefaultValue); - // twrange.CurrentValue = Convert.ToUInt16(value.CurrentValue); - // Marshal.StructureToPtr(twrange, lockedPtr, false); - // } - // else - // { - // twrangelinux64.ItemType = itemType; - // twrangelinux64.MinValue = Convert.ToUInt16(value.MinValue); - // twrangelinux64.MaxValue = Convert.ToUInt16(value.MaxValue); - // twrangelinux64.StepSize = Convert.ToUInt16(value.StepSize); - // twrangelinux64.DefaultValue = Convert.ToUInt16(value.DefaultValue); - // twrangelinux64.CurrentValue = Convert.ToUInt16(value.CurrentValue); - // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); - // } - // break; - // case TWTY.INT32: - // if (TwainPlatform.IsMacOSX) - // { - // twrangemacosx.ItemType = (uint)itemType; - // twrangemacosx.MinValue = (uint)Convert.ToInt32(value.MinValue); - // twrangemacosx.MaxValue = (uint)Convert.ToInt32(value.MaxValue); - // twrangemacosx.StepSize = (uint)Convert.ToInt32(value.StepSize); - // twrangemacosx.DefaultValue = (uint)Convert.ToInt32(value.DefaultValue); - // twrangemacosx.CurrentValue = (uint)Convert.ToInt32(value.CurrentValue); - // Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); - // } - // else if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) - // { - // twrange.ItemType = itemType; - // twrange.MinValue = (uint)Convert.ToInt32(value.MinValue); - // twrange.MaxValue = (uint)Convert.ToInt32(value.MaxValue); - // twrange.StepSize = (uint)Convert.ToInt32(value.StepSize); - // twrange.DefaultValue = (uint)Convert.ToInt32(value.DefaultValue); - // twrange.CurrentValue = (uint)Convert.ToInt32(value.CurrentValue); - // Marshal.StructureToPtr(twrange, lockedPtr, false); - // } - // else - // { - // twrangelinux64.ItemType = itemType; - // twrangelinux64.MinValue = (uint)Convert.ToInt32(value.MinValue); - // twrangelinux64.MaxValue = (uint)Convert.ToInt32(value.MaxValue); - // twrangelinux64.StepSize = (uint)Convert.ToInt32(value.StepSize); - // twrangelinux64.DefaultValue = (uint)Convert.ToInt32(value.DefaultValue); - // twrangelinux64.CurrentValue = (uint)Convert.ToInt32(value.CurrentValue); - // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); - // } - // break; - // case TWTY.UINT32: - // if (TwainPlatform.IsMacOSX) - // { - // twrangemacosx.ItemType = (uint)itemType; - // twrangemacosx.MinValue = Convert.ToUInt32(value.MinValue); - // twrangemacosx.MaxValue = Convert.ToUInt32(value.MaxValue); - // twrangemacosx.StepSize = Convert.ToUInt32(value.StepSize); - // twrangemacosx.DefaultValue = Convert.ToUInt32(value.DefaultValue); - // twrangemacosx.CurrentValue = Convert.ToUInt32(value.CurrentValue); - // Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); - // } - // else if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) - // { - // twrange.ItemType = itemType; - // twrange.MinValue = Convert.ToUInt32(value.MinValue); - // twrange.MaxValue = Convert.ToUInt32(value.MaxValue); - // twrange.StepSize = Convert.ToUInt32(value.StepSize); - // twrange.DefaultValue = Convert.ToUInt32(value.DefaultValue); - // twrange.CurrentValue = Convert.ToUInt32(value.CurrentValue); - // Marshal.StructureToPtr(twrange, lockedPtr, false); - // } - // else - // { - // twrangelinux64.ItemType = itemType; - // twrangelinux64.MinValue = Convert.ToUInt32(value.MinValue); - // twrangelinux64.MaxValue = Convert.ToUInt32(value.MaxValue); - // twrangelinux64.StepSize = Convert.ToUInt32(value.StepSize); - // twrangelinux64.DefaultValue = Convert.ToUInt32(value.DefaultValue); - // twrangelinux64.CurrentValue = Convert.ToUInt32(value.CurrentValue); - // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); - // } - // break; - // case TWTY.FIX32: - // double min = Convert.ToDouble(value.MinValue); - // double max = Convert.ToDouble(value.MaxValue); - // double step = Convert.ToDouble(value.StepSize); - // double def = Convert.ToDouble(value.DefaultValue); - // double current = Convert.ToDouble(value.CurrentValue); - // if (TwainPlatform.IsMacOSX) - // { - // TW_RANGE_FIX32_MACOSX twrangefix32macosx = default; - // twrangefix32macosx.ItemType = (uint)itemType; - // twrangefix32macosx.MinValue = new TW_FIX32(min); - // twrangefix32macosx.MaxValue = new TW_FIX32(max); - // twrangefix32macosx.StepSize = new TW_FIX32(step); - // twrangefix32macosx.DefaultValue = new TW_FIX32(def); - // twrangefix32macosx.CurrentValue = new TW_FIX32(current); - // Marshal.StructureToPtr(twrangefix32macosx, lockedPtr, false); - // } - // else - // { - // TW_RANGE_FIX32 twrangefix32 = default; - // twrangefix32.ItemType = itemType; - // twrangefix32.MinValue = new TW_FIX32(min); - // twrangefix32.MaxValue = new TW_FIX32(max); - // twrangefix32.StepSize = new TW_FIX32(step); - // twrangefix32.DefaultValue = new TW_FIX32(def); - // twrangefix32.CurrentValue = new TW_FIX32(current); - // Marshal.StructureToPtr(twrangefix32, lockedPtr, false); - // } - // break; - // } - //} + IntPtr lockedPtr = IntPtr.Zero; + try + { + //if (twCap.hContainer != IntPtr.Zero) memMgr.Free(ref twCap.hContainer); - //static TWTY GetItemType() where TValue : struct - //{ - // var type = typeof(TValue); - // if (type == typeof(BoolType)) return TWTY.BOOL; - // if (type == typeof(TW_FIX32)) return TWTY.FIX32; - // if (type == typeof(TW_STR32)) return TWTY.STR32; - // if (type == typeof(TW_STR64)) return TWTY.STR64; - // if (type == typeof(TW_STR128)) return TWTY.STR128; - // if (type == typeof(TW_STR255)) return TWTY.STR255; - // if (type == typeof(TW_FRAME)) return TWTY.FRAME; + TWTY itemType = GetItemType(); - // if (type.IsEnum) - // { - // type = type.GetEnumUnderlyingType(); - // } + // Allocate the container (go for worst case, which is TW_STR255)... + if (TwainPlatform.IsMacOSX) + { + // Allocate... + twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_RANGE_MACOSX)))); + lockedPtr = memMgr.Lock(twCap.hContainer); + } + // Windows or the 2.4+ Linux DSM... + else + { + // Allocate... + twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_RANGE)))); + lockedPtr = memMgr.Lock(twCap.hContainer); + } + //// The -2.3 Linux DSM... + //else + //{ + // // Allocate... + // twCap.hContainer = memMgr.Alloc((uint)(Marshal.SizeOf(default(TW_RANGE_LINUX64)))); + // lockedPtr = memMgr.Lock(twCap.hContainer); + //} - // if (type == typeof(ushort)) return TWTY.UINT16; - // if (type == typeof(short)) return TWTY.INT16; - // if (type == typeof(uint)) return TWTY.UINT32; - // if (type == typeof(int)) return TWTY.INT32; - // if (type == typeof(byte)) return TWTY.UINT8; - // if (type == typeof(sbyte)) return TWTY.INT8; + // Set the Item... + WriteRangeValues(memMgr, lockedPtr, itemType, value); + } + finally + { + if (lockedPtr != IntPtr.Zero) memMgr.Unlock(twCap.hContainer); + } + return twCap; + } - // throw new NotSupportedException($"{type.Name} is not supported for writing."); - //} + static void WriteRangeValues(IMemoryManager memMgr, IntPtr lockedPtr, TWTY itemType, Range value) where TValue : struct + { + // TODO: reduce this later - ///// - ///// Writes single piece of value to the container pointer. - ///// - ///// - ///// A locked pointer to the container's data pointer. If data is array this is the 0th item. - ///// The twain type. - ///// - ///// Index of the item if pointer is array. - //static void WriteContainerData(IntPtr intptr, TWTY type, TValue value, int itemIndex) where TValue : struct - //{ - // switch (type) - // { - // default: - // throw new NotSupportedException($"Unsupported item type {type} for writing."); - // // TODO: for small types needs to fill whole int32 before writing? - // case TWTY.INT8: - // intptr += 1 * itemIndex; - // //int intval = Convert.ToSByte(value); - // //Marshal.StructureToPtr(intval, intptr, false); - // Marshal.StructureToPtr(Convert.ToSByte(value), intptr, false); - // break; - // case TWTY.UINT8: - // intptr += 1 * itemIndex; - // //uint uintval = Convert.ToByte(value); - // //Marshal.StructureToPtr(uintval, intptr, false); - // Marshal.StructureToPtr(Convert.ToByte(value), intptr, false); - // break; - // case TWTY.INT16: - // intptr += 2 * itemIndex; - // //intval = Convert.ToInt16(value); - // //Marshal.StructureToPtr(intval, intptr, false); - // Marshal.StructureToPtr(Convert.ToInt16(value), intptr, false); - // break; - // case TWTY.BOOL: - // case TWTY.UINT16: - // intptr += 2 * itemIndex; - // //uintval = Convert.ToUInt16(value); - // //Marshal.StructureToPtr(uintval, intptr, false); - // Marshal.StructureToPtr(Convert.ToUInt16(value), intptr, false); - // break; - // case TWTY.INT32: - // intptr += 4 * itemIndex; - // Marshal.StructureToPtr(Convert.ToInt32(value), intptr, false); - // break; - // case TWTY.UINT32: - // intptr += 4 * itemIndex; - // Marshal.StructureToPtr(Convert.ToUInt32(value), intptr, false); - // break; - // case TWTY.FIX32: - // intptr += 4 * itemIndex; - // Marshal.StructureToPtr(value, intptr, false); - // break; - // case TWTY.FRAME: - // intptr += 16 * itemIndex; - // Marshal.StructureToPtr(value, intptr, false); - // break; - // case TWTY.STR32: - // intptr += TW_STR32.Size * itemIndex; - // Marshal.StructureToPtr(value, intptr, false); - // break; - // case TWTY.STR64: - // intptr += TW_STR64.Size * itemIndex; - // Marshal.StructureToPtr(value, intptr, false); - // break; - // case TWTY.STR128: - // intptr += TW_STR128.Size * itemIndex; - // Marshal.StructureToPtr(value, intptr, false); - // break; - // case TWTY.STR255: - // intptr += TW_STR255.Size * itemIndex; - // Marshal.StructureToPtr(value, intptr, false); - // break; - // } - //} + TW_RANGE twrange = default; + TW_RANGE_MACOSX twrangemacosx = default; + //TW_RANGE_LINUX64 twrangelinux64 = default; + + switch (itemType) + { + default: + throw new NotSupportedException($"{itemType} is not supported for range."); + case TWTY.INT8: + if (TwainPlatform.IsMacOSX) + { + twrangemacosx.ItemType = (uint)itemType; + twrangemacosx.MinValue = (uint)Convert.ToSByte(value.MinValue); + twrangemacosx.MaxValue = (uint)Convert.ToSByte(value.MaxValue); + twrangemacosx.StepSize = (uint)Convert.ToSByte(value.StepSize); + twrangemacosx.DefaultValue = (uint)Convert.ToSByte(value.DefaultValue); + twrangemacosx.CurrentValue = (uint)Convert.ToSByte(value.CurrentValue); + Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); + } + else //if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) + { + twrange.ItemType = itemType; + twrange.MinValue = (uint)Convert.ToSByte(value.MinValue); + twrange.MaxValue = (uint)Convert.ToSByte(value.MaxValue); + twrange.StepSize = (uint)Convert.ToSByte(value.StepSize); + twrange.DefaultValue = (uint)Convert.ToSByte(value.DefaultValue); + twrange.CurrentValue = (uint)Convert.ToSByte(value.CurrentValue); + Marshal.StructureToPtr(twrange, lockedPtr, false); + } + //else + //{ + // twrangelinux64.ItemType = itemType; + // twrangelinux64.MinValue = (uint)Convert.ToSByte(value.MinValue); + // twrangelinux64.MaxValue = (uint)Convert.ToSByte(value.MaxValue); + // twrangelinux64.StepSize = (uint)Convert.ToSByte(value.StepSize); + // twrangelinux64.DefaultValue = (uint)Convert.ToSByte(value.DefaultValue); + // twrangelinux64.CurrentValue = (uint)Convert.ToSByte(value.CurrentValue); + // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); + //} + break; + case TWTY.UINT8: + if (TwainPlatform.IsMacOSX) + { + twrangemacosx.ItemType = (uint)itemType; + twrangemacosx.MinValue = Convert.ToByte(value.MinValue); + twrangemacosx.MaxValue = Convert.ToByte(value.MaxValue); + twrangemacosx.StepSize = Convert.ToByte(value.StepSize); + twrangemacosx.DefaultValue = Convert.ToByte(value.DefaultValue); + twrangemacosx.CurrentValue = Convert.ToByte(value.CurrentValue); + Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); + } + else //if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) + { + twrange.ItemType = itemType; + twrange.MinValue = Convert.ToByte(value.MinValue); + twrange.MaxValue = Convert.ToByte(value.MaxValue); + twrange.StepSize = Convert.ToByte(value.StepSize); + twrange.DefaultValue = Convert.ToByte(value.DefaultValue); + twrange.CurrentValue = Convert.ToByte(value.CurrentValue); + Marshal.StructureToPtr(twrange, lockedPtr, false); + } + //else + //{ + // twrangelinux64.ItemType = itemType; + // twrangelinux64.MinValue = Convert.ToByte(value.MinValue); + // twrangelinux64.MaxValue = Convert.ToByte(value.MaxValue); + // twrangelinux64.StepSize = Convert.ToByte(value.StepSize); + // twrangelinux64.DefaultValue = Convert.ToByte(value.DefaultValue); + // twrangelinux64.CurrentValue = Convert.ToByte(value.CurrentValue); + // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); + //} + break; + case TWTY.INT16: + if (TwainPlatform.IsMacOSX) + { + twrangemacosx.ItemType = (uint)itemType; + twrangemacosx.MinValue = (uint)Convert.ToInt16(value.MinValue); + twrangemacosx.MaxValue = (uint)Convert.ToInt16(value.MaxValue); + twrangemacosx.StepSize = (uint)Convert.ToInt16(value.StepSize); + twrangemacosx.DefaultValue = (uint)Convert.ToInt16(value.DefaultValue); + twrangemacosx.CurrentValue = (uint)Convert.ToInt16(value.CurrentValue); + Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); + } + else // if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) + { + twrange.ItemType = itemType; + twrange.MinValue = (uint)Convert.ToInt16(value.MinValue); + twrange.MaxValue = (uint)Convert.ToInt16(value.MaxValue); + twrange.StepSize = (uint)Convert.ToInt16(value.StepSize); + twrange.DefaultValue = (uint)Convert.ToInt16(value.DefaultValue); + twrange.CurrentValue = (uint)Convert.ToInt16(value.CurrentValue); + Marshal.StructureToPtr(twrange, lockedPtr, false); + } + //else + //{ + // twrangelinux64.ItemType = itemType; + // twrangelinux64.MinValue = (uint)Convert.ToInt16(value.MinValue); + // twrangelinux64.MaxValue = (uint)Convert.ToInt16(value.MaxValue); + // twrangelinux64.StepSize = (uint)Convert.ToInt16(value.StepSize); + // twrangelinux64.DefaultValue = (uint)Convert.ToInt16(value.DefaultValue); + // twrangelinux64.CurrentValue = (uint)Convert.ToInt16(value.CurrentValue); + // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); + //} + break; + case TWTY.BOOL: + case TWTY.UINT16: + if (TwainPlatform.IsMacOSX) + { + twrangemacosx.ItemType = (uint)itemType; + twrangemacosx.MinValue = Convert.ToUInt16(value.MinValue); + twrangemacosx.MaxValue = Convert.ToUInt16(value.MaxValue); + twrangemacosx.StepSize = Convert.ToUInt16(value.StepSize); + twrangemacosx.DefaultValue = Convert.ToUInt16(value.DefaultValue); + twrangemacosx.CurrentValue = Convert.ToUInt16(value.CurrentValue); + Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); + } + else //if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) + { + twrange.ItemType = itemType; + twrange.MinValue = Convert.ToUInt16(value.MinValue); + twrange.MaxValue = Convert.ToUInt16(value.MaxValue); + twrange.StepSize = Convert.ToUInt16(value.StepSize); + twrange.DefaultValue = Convert.ToUInt16(value.DefaultValue); + twrange.CurrentValue = Convert.ToUInt16(value.CurrentValue); + Marshal.StructureToPtr(twrange, lockedPtr, false); + } + //else + //{ + // twrangelinux64.ItemType = itemType; + // twrangelinux64.MinValue = Convert.ToUInt16(value.MinValue); + // twrangelinux64.MaxValue = Convert.ToUInt16(value.MaxValue); + // twrangelinux64.StepSize = Convert.ToUInt16(value.StepSize); + // twrangelinux64.DefaultValue = Convert.ToUInt16(value.DefaultValue); + // twrangelinux64.CurrentValue = Convert.ToUInt16(value.CurrentValue); + // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); + //} + break; + case TWTY.INT32: + if (TwainPlatform.IsMacOSX) + { + twrangemacosx.ItemType = (uint)itemType; + twrangemacosx.MinValue = (uint)Convert.ToInt32(value.MinValue); + twrangemacosx.MaxValue = (uint)Convert.ToInt32(value.MaxValue); + twrangemacosx.StepSize = (uint)Convert.ToInt32(value.StepSize); + twrangemacosx.DefaultValue = (uint)Convert.ToInt32(value.DefaultValue); + twrangemacosx.CurrentValue = (uint)Convert.ToInt32(value.CurrentValue); + Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); + } + else //if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) + { + twrange.ItemType = itemType; + twrange.MinValue = (uint)Convert.ToInt32(value.MinValue); + twrange.MaxValue = (uint)Convert.ToInt32(value.MaxValue); + twrange.StepSize = (uint)Convert.ToInt32(value.StepSize); + twrange.DefaultValue = (uint)Convert.ToInt32(value.DefaultValue); + twrange.CurrentValue = (uint)Convert.ToInt32(value.CurrentValue); + Marshal.StructureToPtr(twrange, lockedPtr, false); + } + //else + //{ + // twrangelinux64.ItemType = itemType; + // twrangelinux64.MinValue = (uint)Convert.ToInt32(value.MinValue); + // twrangelinux64.MaxValue = (uint)Convert.ToInt32(value.MaxValue); + // twrangelinux64.StepSize = (uint)Convert.ToInt32(value.StepSize); + // twrangelinux64.DefaultValue = (uint)Convert.ToInt32(value.DefaultValue); + // twrangelinux64.CurrentValue = (uint)Convert.ToInt32(value.CurrentValue); + // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); + //} + break; + case TWTY.UINT32: + if (TwainPlatform.IsMacOSX) + { + twrangemacosx.ItemType = (uint)itemType; + twrangemacosx.MinValue = Convert.ToUInt32(value.MinValue); + twrangemacosx.MaxValue = Convert.ToUInt32(value.MaxValue); + twrangemacosx.StepSize = Convert.ToUInt32(value.StepSize); + twrangemacosx.DefaultValue = Convert.ToUInt32(value.DefaultValue); + twrangemacosx.CurrentValue = Convert.ToUInt32(value.CurrentValue); + Marshal.StructureToPtr(twrangemacosx, lockedPtr, false); + } + else //if ((twain.m_linuxdsm == TWAIN.LinuxDsm.Unknown) || (twain.m_linuxdsm == TWAIN.LinuxDsm.IsLatestDsm)) + { + twrange.ItemType = itemType; + twrange.MinValue = Convert.ToUInt32(value.MinValue); + twrange.MaxValue = Convert.ToUInt32(value.MaxValue); + twrange.StepSize = Convert.ToUInt32(value.StepSize); + twrange.DefaultValue = Convert.ToUInt32(value.DefaultValue); + twrange.CurrentValue = Convert.ToUInt32(value.CurrentValue); + Marshal.StructureToPtr(twrange, lockedPtr, false); + } + //else + //{ + // twrangelinux64.ItemType = itemType; + // twrangelinux64.MinValue = Convert.ToUInt32(value.MinValue); + // twrangelinux64.MaxValue = Convert.ToUInt32(value.MaxValue); + // twrangelinux64.StepSize = Convert.ToUInt32(value.StepSize); + // twrangelinux64.DefaultValue = Convert.ToUInt32(value.DefaultValue); + // twrangelinux64.CurrentValue = Convert.ToUInt32(value.CurrentValue); + // Marshal.StructureToPtr(twrangelinux64, lockedPtr, false); + //} + break; + case TWTY.FIX32: + double min = Convert.ToDouble(value.MinValue); + double max = Convert.ToDouble(value.MaxValue); + double step = Convert.ToDouble(value.StepSize); + double def = Convert.ToDouble(value.DefaultValue); + double current = Convert.ToDouble(value.CurrentValue); + if (TwainPlatform.IsMacOSX) + { + TW_RANGE_FIX32_MACOSX twrangefix32macosx = default; + twrangefix32macosx.ItemType = (uint)itemType; + twrangefix32macosx.MinValue = new TW_FIX32(min); + twrangefix32macosx.MaxValue = new TW_FIX32(max); + twrangefix32macosx.StepSize = new TW_FIX32(step); + twrangefix32macosx.DefaultValue = new TW_FIX32(def); + twrangefix32macosx.CurrentValue = new TW_FIX32(current); + Marshal.StructureToPtr(twrangefix32macosx, lockedPtr, false); + } + else + { + TW_RANGE_FIX32 twrangefix32 = default; + twrangefix32.ItemType = itemType; + twrangefix32.MinValue = new TW_FIX32(min); + twrangefix32.MaxValue = new TW_FIX32(max); + twrangefix32.StepSize = new TW_FIX32(step); + twrangefix32.DefaultValue = new TW_FIX32(def); + twrangefix32.CurrentValue = new TW_FIX32(current); + Marshal.StructureToPtr(twrangefix32, lockedPtr, false); + } + break; + } + } + + static TWTY GetItemType() where TValue : struct + { + var type = typeof(TValue); + if (type == typeof(TW_BOOL)) return TWTY.BOOL; + if (type == typeof(TW_FIX32)) return TWTY.FIX32; + if (type == typeof(TW_STR32)) return TWTY.STR32; + if (type == typeof(TW_STR64)) return TWTY.STR64; + if (type == typeof(TW_STR128)) return TWTY.STR128; + if (type == typeof(TW_STR255)) return TWTY.STR255; + if (type == typeof(TW_FRAME)) return TWTY.FRAME; + + if (type.IsEnum) + { + type = type.GetEnumUnderlyingType(); + } + + if (type == typeof(ushort)) return TWTY.UINT16; + if (type == typeof(short)) return TWTY.INT16; + if (type == typeof(uint)) return TWTY.UINT32; + if (type == typeof(int)) return TWTY.INT32; + if (type == typeof(byte)) return TWTY.UINT8; + if (type == typeof(sbyte)) return TWTY.INT8; + + throw new NotSupportedException($"{type.Name} is not supported for writing."); + } + + /// + /// Writes single piece of value to the container pointer. + /// + /// + /// A locked pointer to the container's data pointer. If data is array this is the 0th item. + /// The twain type. + /// + /// Index of the item if pointer is array. + static void WriteContainerData(IntPtr intptr, TWTY type, TValue value, int itemIndex) where TValue : struct + { + switch (type) + { + default: + throw new NotSupportedException($"Unsupported item type {type} for writing."); + // TODO: for small types needs to fill whole int32 before writing? + case TWTY.INT8: + intptr += 1 * itemIndex; + //int intval = Convert.ToSByte(value); + //Marshal.StructureToPtr(intval, intptr, false); + Marshal.StructureToPtr(Convert.ToSByte(value), intptr, false); + break; + case TWTY.UINT8: + intptr += 1 * itemIndex; + //uint uintval = Convert.ToByte(value); + //Marshal.StructureToPtr(uintval, intptr, false); + Marshal.StructureToPtr(Convert.ToByte(value), intptr, false); + break; + case TWTY.INT16: + intptr += 2 * itemIndex; + //intval = Convert.ToInt16(value); + //Marshal.StructureToPtr(intval, intptr, false); + Marshal.StructureToPtr(Convert.ToInt16(value), intptr, false); + break; + case TWTY.BOOL: + case TWTY.UINT16: + intptr += 2 * itemIndex; + //uintval = Convert.ToUInt16(value); + //Marshal.StructureToPtr(uintval, intptr, false); + Marshal.StructureToPtr(Convert.ToUInt16(value), intptr, false); + break; + case TWTY.INT32: + intptr += 4 * itemIndex; + Marshal.StructureToPtr(Convert.ToInt32(value), intptr, false); + break; + case TWTY.UINT32: + intptr += 4 * itemIndex; + Marshal.StructureToPtr(Convert.ToUInt32(value), intptr, false); + break; + case TWTY.FIX32: + intptr += 4 * itemIndex; + Marshal.StructureToPtr(value, intptr, false); + break; + case TWTY.FRAME: + intptr += 16 * itemIndex; + Marshal.StructureToPtr(value, intptr, false); + break; + case TWTY.STR32: + intptr += TW_STR32.Size * itemIndex; + Marshal.StructureToPtr(value, intptr, false); + break; + case TWTY.STR64: + intptr += TW_STR64.Size * itemIndex; + Marshal.StructureToPtr(value, intptr, false); + break; + case TWTY.STR128: + intptr += TW_STR128.Size * itemIndex; + Marshal.StructureToPtr(value, intptr, false); + break; + case TWTY.STR255: + intptr += TW_STR255.Size * itemIndex; + Marshal.StructureToPtr(value, intptr, false); + break; + } + } } } diff --git a/src/NTwain/TwainAppSession.Caps.cs b/src/NTwain/TwainAppSession.Caps.cs index 0bb6227..1153509 100644 --- a/src/NTwain/TwainAppSession.Caps.cs +++ b/src/NTwain/TwainAppSession.Caps.cs @@ -1,6 +1,5 @@ using NTwain.Data; using NTwain.Triplets; -using System; using System.Collections.Generic; using System.Linq; using System.Text; @@ -268,6 +267,9 @@ namespace NTwain /// /// Sets a CAP's current value. + /// An easy way to create a value is to use the + /// + /// extension method (or the other container variants). /// Memory of the value will be freed afterwards. /// /// @@ -287,6 +289,9 @@ namespace NTwain /// /// Sets a CAP's constraint values. + /// An easy way to create a value is to use the + /// + /// extension method (or the other container variants). /// Memory of the value will be freed afterwards. /// ///