converter

package main

import (
	"bytes"
	"context"
	"fmt"
	"io"

	"github.com/zc310/ofd/pkg/converter"
	_ "github.com/zc310/ofd/pkg/converter/import/markdown"
	_ "github.com/zc310/ofd/pkg/converter/import/pdf"
)

type exampleBufferWriteCloser struct {
	*bytes.Buffer
}

func (exampleBufferWriteCloser) Close() error { return nil }

func main() {
	// 转换入口的第一个参数是取消信号；命令行工具通常用 context.Background()，
	// 长任务应传入带超时的 context。
	ctx := context.Background()

	var output bytes.Buffer
	err := converter.Image(ctx, "../../test/testdata/helloworld.ofd",
		converter.Writer(func(int) (io.WriteCloser, error) {
			return exampleBufferWriteCloser{Buffer: &output}, nil
		}),
		converter.EPS(),
		converter.Page(1),
	)
	fmt.Println(err == nil && bytes.Contains(output.Bytes(), []byte("%!PS-Adobe-3.0 EPSF-3.0")))
}

Output:
true

package main

import (
	"bytes"
	"context"
	"fmt"

	"github.com/zc310/ofd/pkg/converter"
	_ "github.com/zc310/ofd/pkg/converter/import/markdown"
	_ "github.com/zc310/ofd/pkg/converter/import/pdf"
)

func main() {
	// 转换入口的第一个参数是取消信号；命令行工具通常用 context.Background()，
	// 长任务应传入带超时的 context。
	ctx := context.Background()

	var output bytes.Buffer
	err := converter.HTML(ctx, "../../test/testdata/helloworld.ofd", &output, converter.HTMLJPG(), converter.Page(1))
	fmt.Println(err == nil && bytes.Contains(output.Bytes(), []byte("data:image/jpeg;base64,")))
}

Output:
true

package main

import (
	"bytes"
	"context"
	"fmt"

	"github.com/zc310/ofd/pkg/converter"
	_ "github.com/zc310/ofd/pkg/converter/import/markdown"
	_ "github.com/zc310/ofd/pkg/converter/import/pdf"
)

func main() {
	// 转换入口的第一个参数是取消信号；命令行工具通常用 context.Background()，
	// 长任务应传入带超时的 context。
	ctx := context.Background()

	var output bytes.Buffer
	err := converter.HTML(ctx, "../../test/testdata/helloworld.ofd", &output, converter.HTMLSVG(), converter.Page(1))
	fmt.Println(err == nil && bytes.Contains(output.Bytes(), []byte("<svg")))
}

Output:
true

package main

import (
	"context"
	"fmt"
	"image/color"
	"io"
	"os"
	"path/filepath"

	"github.com/zc310/ofd/pkg/converter"
	_ "github.com/zc310/ofd/pkg/converter/import/markdown"
	_ "github.com/zc310/ofd/pkg/converter/import/pdf"
)

func main() {
	// 转换入口的第一个参数是取消信号；命令行工具通常用 context.Background()，
	// 长任务应传入带超时的 context。
	ctx := context.Background()

	dir, err := os.MkdirTemp("", "ofd-example-")
	if err == nil {
		defer os.RemoveAll(dir)
		err = converter.Image(ctx, "../../test/testdata/intro.ofd",
			converter.Writer(func(page int) (io.WriteCloser, error) {
				return os.Create(filepath.Join(dir, fmt.Sprintf("intro_%d.jpg", page)))
			}),
			converter.BgColor(color.White),
			converter.JPG(),
			converter.Page(40),
			converter.DPI(300),
		)
	}
	fmt.Println(err == nil)
}

Output:
true

package main

import (
	"context"
	"fmt"
	"image/color"
	"io"
	"os"
	"path/filepath"

	"github.com/zc310/ofd/pkg/converter"
	_ "github.com/zc310/ofd/pkg/converter/import/markdown"
	_ "github.com/zc310/ofd/pkg/converter/import/pdf"
)

func main() {
	// 转换入口的第一个参数是取消信号；命令行工具通常用 context.Background()，
	// 长任务应传入带超时的 context。
	ctx := context.Background()

	dir, err := os.MkdirTemp("", "ofd-example-")
	if err == nil {
		defer os.RemoveAll(dir)
		err = converter.Image(ctx, "../../test/testdata/ano.ofd",
			converter.Writer(func(page int) (io.WriteCloser, error) {
				return os.Create(filepath.Join(dir, fmt.Sprintf("ano_%d.png", page)))
			}),
			converter.BgColor(color.White),
			converter.PNG(),
		)
	}
	fmt.Println(err == nil)
}

Output:
true

package main

import (
	"bytes"
	"context"
	"fmt"
	"io"

	"github.com/zc310/ofd/pkg/converter"
	_ "github.com/zc310/ofd/pkg/converter/import/markdown"
	_ "github.com/zc310/ofd/pkg/converter/import/pdf"
)

type exampleBufferWriteCloser struct {
	*bytes.Buffer
}

func (exampleBufferWriteCloser) Close() error { return nil }

func main() {
	// 转换入口的第一个参数是取消信号；命令行工具通常用 context.Background()，
	// 长任务应传入带超时的 context。
	ctx := context.Background()

	var output bytes.Buffer
	err := converter.Image(ctx, "../../test/testdata/helloworld.ofd",
		converter.Writer(func(int) (io.WriteCloser, error) {
			return exampleBufferWriteCloser{Buffer: &output}, nil
		}),
		converter.SVG(),
		converter.Page(1),
	)
	fmt.Println(err == nil && bytes.Contains(output.Bytes(), []byte("<svg")))
}

Output:
true

package main

import (
	"bytes"
	"context"
	"fmt"
	"io"

	"github.com/zc310/ofd/pkg/converter"
	_ "github.com/zc310/ofd/pkg/converter/import/markdown"
	_ "github.com/zc310/ofd/pkg/converter/import/pdf"
)

type exampleBufferWriteCloser struct {
	*bytes.Buffer
}

func (exampleBufferWriteCloser) Close() error { return nil }

func main() {
	// 转换入口的第一个参数是取消信号；命令行工具通常用 context.Background()，
	// 长任务应传入带超时的 context。
	ctx := context.Background()

	var output bytes.Buffer
	err := converter.Image(ctx, "../../test/testdata/helloworld.ofd",
		converter.Writer(func(int) (io.WriteCloser, error) {
			return exampleBufferWriteCloser{Buffer: &output}, nil
		}),
		converter.TeX(),
		converter.Page(1),
	)
	fmt.Println(err == nil && bytes.Contains(output.Bytes(), []byte("\\begin{pgfpicture}")))
}

Output:
true