Platforms to show: All Mac Windows Linux Cross-Platform
Required plugins for this example: MBS DynaPDF Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/SetFillColor Test
This example is the version from Wed, 14th Sep 2021.
Project "SetFillColor Test.xojo_binary_project"
FileTypes
Filetype text
End FileTypes
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem UntitledMenu5 = ""
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "Clear"
MenuItem UntitledMenu4 = ""
MenuItem UntitledMenu3 = ""
MenuItem UntitledMenu2 = ""
End MenuBar
Class App Inherits Application
EventHandler Sub Open()
dim pdf as new MyDynapdfMBS
dim d as new date
pdf.SetLicenseKey "Starter" // For this example you can use a Starter, Lite, Pro or Enterprise License
dim f as FolderItem = SpecialFolder.Desktop.Child("SetFillColor Test.pdf")
call pdf.CreateNewPDF f
call pdf.SetDocInfo pdf.kdiSubject, "My first Realbasic output"
call pdf.SetDocInfo pdf.kdiProducer, "Realbasic test application"
call pdf.SetDocInfo pdf.kdiTitle, "My first Realbasic output"
// We want to use top-down coordinates
call pdf.SetPageCoords pdf.kpcTopDown
call pdf.Append
call pdf.SetFont "Times", pdf.kfsItalic, 20.0, true, pdf.kcpUnicode
call pdf.WriteText 50.0, 100.0, "Do you see difference in color?"
call pdf.SetFont "Times", pdf.kfsItalic, 20.0, true, pdf.kcpUnicode
call pdf.WriteText 50.0, 200.0, "Left is 50% gray exactly, but right is 127/255 which is 49.8%"
// use float
call pdf.SetFillColor array(0.5, 0.0, 0.0)
call pdf.Rectangle(50.0, 300, 200, 200.0, pdf.kfmFill)
// use integer
call pdf.SetFillColor pdf.RGB(127, 0, 0)
call pdf.Rectangle(300.0, 300, 200.0, 200.0, pdf.kfmFill)
call pdf.EndPage
call pdf.Append
dim h as Double = pdf.GetPageHeight
call pdf.SetFont("Times", 0, 1, true, pdf.kcpUnicode)
dim x as Double
for i as integer = 0 to 1000
dim v as Double = i/1000.0
dim y as Double = v*h
v = 0.5+v/10.0
// use float
call pdf.SetFillColor array(v, 0.0, 0.0)
call pdf.Rectangle(250.0, y, 50, 1, pdf.kfmFill)
call pdf.WriteText(220.0, y, str(v))
// use integer
dim r as integer = v * 255.0
call pdf.SetFillColor pdf.RGB(r, 0, 0)
call pdf.Rectangle(300.0, y, 50.0, 1.0, pdf.kfmFill)
call pdf.WriteText(355, y, str(r/255.0))
next
call pdf.EndPage
call pdf.CloseFile
f.Launch
quit
End EventHandler
End Class
Class MyDynaPDFMBS Inherits DynaPDFMBS
EventHandler Function Error(ErrorCode as integer, ErrorMessage as string, ErrorType as integer) As integer
// output all messages on the console:
System.DebugLog str(ErrorCode)+": "+ErrorMessage
// and display dialog:
Dim d as New MessageDialog //declare the MessageDialog object
Dim b as MessageDialogButton //for handling the result
d.icon=MessageDialog.GraphicCaution //display warning icon
d.ActionButton.Caption="Continue"
d.CancelButton.Visible=True //show the Cancel button
// a warning or an error?
if BitAnd(ErrorType, me.kE_WARNING) = me.kE_WARNING then
// if user decided to ignore, we'll ignore
if IgnoreWarnings then Return 0
d.Message="A warning occurred while processing your PDF code."
// we add a third button to display all warnings
d.AlternateActionButton.Caption = "Ignore warnings"
d.AlternateActionButton.Visible = true
else
d.Message="An error occurred while processing your PDF code."
end if
d.Explanation = str(ErrorCode)+": "+ErrorMessage
b=d.ShowModal //display the dialog
Select Case b //determine which button was pressed.
Case d.ActionButton
Return 0 // ignore
Case d.AlternateActionButton
IgnoreWarnings = true
Return 0 // ignore
Case d.CancelButton
Return -1 // stop
End select
End EventHandler
Property IgnoreWarnings As Boolean
End Class
End Project
The items on this page are in the following plugins: MBS DynaPDF Plugin.
