Platforms to show: All Mac Windows Linux Cross-Platform
/MacCocoa/Print RTF via NSGraphics
Required plugins for this example: MBS MacBase Plugin, MBS Main Plugin, MBS MacCocoa Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /MacCocoa/Print RTF via NSGraphics
This example is the version from Thu, 22th Feb 2017.
Project "Print RTF via NSGraphics.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
End Class
Class Window1 Inherits Window
Const testRTF = "{\rtf1\ansi\ansicpg1252\cocoartf1504\cocoasubrtf810\n{\fonttbl\f0\fswiss\fcharset0 Helvetica;}\n{\colortbl;\red255\green255\blue255;\red164\green8\blue0;}\n{\*\expandedcolortbl;;\csgenericrgb\c64314\c3137\c0;}\n\paperw11900\paperh16840\margl1440\margr1440\vieww10800\viewh8400\viewkind0\n\pard\tx566\tx1133\tx1700\tx2267\tx2834\tx3401\tx3968\tx4535\tx5102\tx5669\tx6236\tx6803\pardirnatural\partightenfactor0\n\n\f0\b\fs24 \cf2 Hello World}"
Control PushButton1 Inherits PushButton
ControlInstance PushButton1 Inherits PushButton
EventHandler Sub Action()
dim oldGraphics as NSGraphicsMBS = NSGraphicsMBS.graphicsContext
dim ps as new PrinterSetup
dim g as Graphics = OpenPrinterDialog(ps)
if g = nil then
Return
end if
// draw RTF
g.DrawLine 100, 100, 200, 100
g.DrawString "Hello World", 100, 100
drawRTF g, testRTF, 100, 120, ps
g.DrawLine 100, 120, 200, 120
// replace font
g.ForeColor = &c000000
g.DrawRect 100, 200, 400, 200
drawRTF g, testRTF, 100, 200, ps, 400, 200, NSFontMBS.fontWithName("Times", 20)
// calc rect
g.ForeColor = &cFF0000
dim s as NSSizeMBS = CalcRTF(g, testRTF, 100, 200, 400, 200, NSFontMBS.fontWithName("Times", 20))
g.DrawRect 100, 200, s.Width, s.Height
// restore old context
if oldGraphics <> nil then
oldGraphics.setCurrentContext
oldGraphics = nil
end if
// set dummy to avoid crash when closing print progress dialog
SetDummyGraphics
// free graphics
g = nil
SetDummyGraphics
End EventHandler
End Control
Control Canvas1 Inherits Canvas
ControlInstance Canvas1 Inherits Canvas
EventHandler Sub Paint(g As Graphics, areas() As REALbasic.Rect)
dim ps as PrinterSetup = nil // nil for non printing
// draw RTF
g.DrawLine 100, 100, 200, 100
g.DrawString "Hello World", 100, 100
drawRTF g, testRTF, 100, 120, ps
g.DrawLine 100, 120, 200, 120
// replace font
g.ForeColor = &c000000
g.DrawRect 100, 200, 400, 200
drawRTF g, testRTF, 100, 200, ps, 400, 200, NSFontMBS.fontWithName("Times", 20)
// calc rect
g.ForeColor = &cFF0000
dim s as NSSizeMBS = CalcRTF(g, testRTF, 100, 200, 400, 200, NSFontMBS.fontWithName("Times", 20))
g.DrawRect 100, 200, s.Width, s.Height
End EventHandler
End Control
Control PushButton2 Inherits PushButton
ControlInstance PushButton2 Inherits PushButton
EventHandler Sub Action()
canvas1.Invalidate
End EventHandler
End Control
Function CalcRTF(g as Graphics, RTF as string, x as Double, y as Double, MaxWidth as integer = 999, MaxHeight as Integer = 999, OverwriteFont as NSFontMBS = nil) As NSSizeMBS
dim at as new NSMutableAttributedStringMBS
call at.initWithRTF(testRTF)
if OverwriteFont <> nil then
at.addAttribute(at.NSFontAttributeName, OverwriteFont, new NSRangeMBS(0, at.Length))
end if
dim h as integer = g.Handle(g.HandleTypeCGContextRef)
dim n as NSGraphicsMBS = NSGraphicsMBS.graphicsContextWithCGContextHandle(h)
dim s as new NSSizeMBS(MaxWidth, MaxHeight)
dim r as NSRectMBS = n.boundingRectWithSize(at, s)
Return r.Size
End Function
Sub DrawRTF(g as Graphics, RTF as string, x as Double, y as Double, ps as PrinterSetup, MaxWidth as integer = 999, MaxHeight as Integer = 999, OverwriteFont as NSFontMBS = nil)
dim at as new NSMutableAttributedStringMBS
call at.initWithRTF(testRTF)
if OverwriteFont <> nil then
at.addAttribute(at.NSFontAttributeName, OverwriteFont, new NSRangeMBS(0, at.Length))
end if
dim h as integer = g.Handle(g.HandleTypeCGContextRef)
dim n as NSGraphicsMBS = NSGraphicsMBS.graphicsContextWithCGContextHandle(h)
dim s as new NSSizeMBS(MaxWidth, MaxHeight)
dim r as NSRectMBS = n.boundingRectWithSize(at, s)
dim rHeight as integer = r.Height
if ps = nil then
r.X = x
r.Y = g.Height - y - rHeight
else
dim PageLeft as integer = ps.PageLeft
dim PageTop as integer = ps.PageTop
dim PageHeight as integer = ps.PageHeight
r.X = x - PageLeft
r.y = PageHeight - y + PageTop - rHeight
end if
n.drawInRect(at, r)
n = nil
End Sub
Sub SetDummyGraphics()
static image as new NSImageMBS(10,10)
static g as NSGraphicsMBS = NSGraphicsMBS.graphicsContextWithNSImage(image)
g.setCurrentContext
End Sub
End Class
MenuBar MainMenuBar
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem EditSeparator1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem EditSeparator2 = "-"
MenuItem EditSelectAll = "Select &All"
End MenuBar
End Project
The items on this page are in the following plugins: MBS MacCocoa Plugin.
