//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2012 by PDFTron Systems Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------

#import <OBJC/PDFNetOBJC.h>
#import <Foundation/Foundation.h>

//-----------------------------------------------------------------------------------
// This sample illustrates how to embed various raster image formats
// (e.g. TIFF, JPEG, JPEG2000, JBIG2, GIF, PNG, BMP, etc.) in a PDF document.
//
// Note: On Windows platform this sample utilizes GDI+ and requires GDIPLUS.DLL to
// be present in the system path.
//-----------------------------------------------------------------------------------

int main (int argc, const char * argv[])
{
    int ret = 0;
    [PDFNet Initialize: 0];
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    
    PDFDoc* doc = [[PDFDoc alloc] init];
    
    ElementBuilder* builder = [[[ElementBuilder alloc] init] autorelease];    // Used to build new Element objects
    ElementWriter* writer = [[[ElementWriter alloc] init] autorelease];      // Used to write Elements to the page	
    
    PDFRect *rect = [[[PDFRect alloc] init] autorelease]; 
    [rect Set: 0 y1: 0 x2: 612 y2: 792];
    Page* page = [doc PageCreate: rect];  // Start a new page
    [writer WriterBeginWithPage: page placement: e_overlay page_coord_sys: YES compress: YES];            // Begin writing to this page

    // ----------------------------------------------------------
    // Add JPEG image to the output file
    Image* img = [Image Create: [doc GetSDFDoc] filename: @"../../TestFiles/peppers.jpg"];
    Element* element = [builder CreateImageWithCornerAndScale: img x: 50 y: 500 hscale: [img GetImageWidth]/2 vscale: [img GetImageHeight]/2];
    [writer WritePlacedElement: element];

    // ----------------------------------------------------------
    // Add a PNG image to the output file
    img = [Image Create: [doc GetSDFDoc] filename: @"../../TestFiles/butterfly.png"];
    element = [builder CreateImageWithMatrix: img mtx: [[[Matrix2D alloc] initWithA: 100 b: 0 c: 0 d: 100 h: 300 v: 500] autorelease]];
    [writer WritePlacedElement: element];
    
    // ----------------------------------------------------------
    // Add a TIFF image to the output file
    
    img = [Image Create: [doc GetSDFDoc] filename: @"../../TestFiles/grayscale.tif"];
    element = [builder CreateImageWithMatrix: img mtx: [[[Matrix2D alloc] initWithA: [img GetImageWidth] b: 0 c: 0 d: [img GetImageHeight] h: 10 v: 50] autorelease]];
    [writer WritePlacedElement: element];
    
    [writer End];               // Save the page
    [doc PagePushBack: page];   // Add the page to the document page sequence

    // ----------------------------------------------------------
    // Embed a monochrome TIFF. Compress the image using lossy JBIG2 filter.
    
    page = [doc PageCreate: [[[PDFRect alloc] initWithX1: 0 y1: 0 x2: 612 y2: 794] autorelease]];
    [writer WriterBeginWithPage: page placement: e_overlay page_coord_sys: YES compress: YES];	// begin writing to this page
    
    // Note: encoder hints can be used to select between different compression methods. 
    // For example to instruct PDFNet to compress a monochrome image using JBIG2 compression.
    ObjSet* hint_set = [[[ObjSet alloc] init] autorelease];
    Obj* enc=[hint_set CreateArray];  // Initialize encoder 'hint' parameter 
    [enc PushBackName: @"JBIG2"];
    [enc PushBackName: @"Lossy"];
    
    img = [Image CreateWithFile: [doc GetSDFDoc] filename: @"../../TestFiles/multipage.tif" encoder_hints: enc];
    element = [builder CreateImageWithMatrix: img mtx: [[[Matrix2D alloc] initWithA: 612 b: 0 c: 0 d: 794 h: 0 v: 0] autorelease]];
    [writer WritePlacedElement: element];
    
    [writer End];               // Save the page
    [doc PagePushBack: page];   // Add the page to the document page sequence*/

    // ----------------------------------------------------------
    // Add a JPEG2000 (JP2) image to the output file
    
    // Create a new page 
    page = [doc PageCreate: [[[PDFRect alloc] initWithX1: 0 y1: 0 x2: 612 y2: 794] autorelease]];
    [writer WriterBeginWithPage: page placement: e_overlay page_coord_sys: YES compress: YES];	// Begin writing to the page
    
    // Embed the image.
    img = [Image Create: [doc GetSDFDoc] filename: @"../../TestFiles/palm.jp2"];
    
    // Position the image on the page.
    element = [builder CreateImageWithMatrix: img mtx: [[[Matrix2D alloc] initWithA: [img GetImageWidth] b: 0 c: 0 d: [img GetImageHeight] h: 96 v: 80] autorelease]];
    [writer WritePlacedElement: element];
    
    // Write 'JPEG2000 Sample' text string under the image.
    [writer WriteElement: [builder CreateTextBeginWithFont: [Font Create: [doc GetSDFDoc] type: e_times_roman embed: NO] font_sz: 32]];
    element = [builder CreateTextRun: @"JPEG2000 Sample"];
    [element SetTextMatrix: 1 b: 0 c: 0 d: 1 h: 190 v: 30];
    [writer WriteElement: element];
    [writer WriteElement: [builder CreateTextEnd]];
    
    [writer End];	// Finish writing to the page
    [doc PagePushBack: page];

    [doc SaveToFile: @"../../TestFiles/Output/AddImageTest.pdf" flags: e_linearized];
    [pool release];
	NSLog(@"Done.");
    return ret;
}