SQL Server Requires Chilkat v11.7.0+
SQL Server
Exclude Rotated Margin Text from PDF Extraction
See more PDF Text Extraction Examples
Demonstrates the "rotatedText" filter. Text that is not aligned with the page, such as a vertical "CONFIDENTIAL" label in the margin, is included by default (after the upright text) and flagged in the quality report; "exclude" leaves it out.Chilkat SQL Server Downloads
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
DECLARE @hr int
DECLARE @sTmp0 nvarchar(4000)
DECLARE @success int
SELECT @success = 0
-- This example requires the Chilkat API to have been previously unlocked.
-- See Global Unlock Sample for sample code.
-- The PDF used in this example is available at rotated_margin.pdf
DECLARE @pdf int
EXEC @hr = sp_OACreate 'Chilkat.Pdf', @pdf OUT
IF @hr <> 0
BEGIN
PRINT 'Failed to create ActiveX component'
RETURN
END
EXEC sp_OAMethod @pdf, 'LoadFile', @success OUT, 'qa_data/pdf/rotated_margin.pdf'
IF @success = 0
BEGIN
EXEC sp_OAGetProperty @pdf, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @pdf
RETURN
END
DECLARE @json int
EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT
DECLARE @jsonOut int
EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonOut OUT
-- The page has a paragraph and, rotated 90 degrees along the left margin, "CONFIDENTIAL - DRAFT - NOT FOR DISTRIBUTION".
EXEC sp_OAMethod @pdf, 'ExtractText', @success OUT, 'text', @json, @jsonOut
IF @success = 0
BEGIN
EXEC sp_OAGetProperty @pdf, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @pdf
EXEC @hr = sp_OADestroy @json
EXEC @hr = sp_OADestroy @jsonOut
RETURN
END
PRINT '---- default (rotated text included) ----'
EXEC sp_OAMethod @jsonOut, 'StringOf', @sTmp0 OUT, 'text'
PRINT @sTmp0
EXEC sp_OAMethod @jsonOut, 'StringOf', @sTmp0 OUT, 'quality.pages[0].issues[0].code'
PRINT 'issue: ' + @sTmp0
EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'rotatedText', 'exclude'
EXEC sp_OAMethod @pdf, 'ExtractText', @success OUT, 'text', @json, @jsonOut
IF @success = 0
BEGIN
EXEC sp_OAGetProperty @pdf, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @pdf
EXEC @hr = sp_OADestroy @json
EXEC @hr = sp_OADestroy @jsonOut
RETURN
END
PRINT '---- rotatedText: exclude ----'
EXEC sp_OAMethod @jsonOut, 'StringOf', @sTmp0 OUT, 'text'
PRINT @sTmp0
-- Sample output:
-- ---- default (rotated text included) ----
-- Restoration Budget Summary
--
-- Spending for the season came in slightly under the approved budget, largely because the parapet work took less time than expected. The lens loan carries no fee, but the society is responsible for insurance and for the specialist cleaning.
--
-- CONFIDENTIAL - DRAFT - NOT FOR DISTRIBUTION
-- issue: rotatedText
-- ---- rotatedText: exclude ----
-- Restoration Budget Summary
--
-- Spending for the season came in slightly under the approved budget, largely because the parapet work took less time than expected. The lens loan carries no fee, but the society is responsible for insurance and for the specialist cleaning.
EXEC @hr = sp_OADestroy @pdf
EXEC @hr = sp_OADestroy @json
EXEC @hr = sp_OADestroy @jsonOut
END
GO