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98323e7910
### What problem does this PR solve? Package refactor and PDF post process. ### Type of change - [x] Refactoring --------- Co-authored-by: Claude <noreply@anthropic.com>
67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package parser
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import (
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"image"
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pdf "ragflow/internal/deepdoc/parser/pdf/type"
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)
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// ── mockEngine: minimal pdf.PDFEngine stub for unit tests ─────────────
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type mockEngine struct {
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chars map[int][]pdf.TextChar
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pageCount int
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renderW int
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renderH int
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}
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func (m *mockEngine) ExtractChars(pg int) ([]pdf.TextChar, error) {
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return m.chars[pg], nil
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}
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func (m *mockEngine) RenderPage(pg int, dpi float64) ([]byte, error) {
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w, h := m.renderW, m.renderH
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if w <= 0 {
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w = 595
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}
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if h <= 0 {
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h = 842
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}
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return nil, nil
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}
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func (m *mockEngine) RenderPageImage(pg int, dpi float64) (image.Image, error) {
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w, h := m.renderW, m.renderH
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if w <= 0 {
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w = 100
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}
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if h <= 0 {
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h = 100
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}
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return image.NewRGBA(image.Rect(0, 0, w, h)), nil
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}
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func (m *mockEngine) PageCount() (int, error) {
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if m.pageCount <= 0 {
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return 1, nil
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}
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return m.pageCount, nil
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}
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func (m *mockEngine) RawData() []byte { return nil }
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func (m *mockEngine) Close() error { return nil }
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func (m *mockEngine) Outlines() ([]pdf.Outline, error) { return nil, nil }
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// ── testPageImg: small test image for ocrMergeChars tests ─────────────
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// 90×120 px at 216 DPI → 30×40 pt in PDF space after /3.0 scaling.
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func testPageImg() image.Image {
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return image.NewRGBA(image.Rect(0, 0, 90, 120))
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}
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// ── cellTexts: extract text strings from TSRCells ─────────────────────
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func cellTexts(cells []pdf.TSRCell) []string {
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t := make([]string, len(cells))
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for i, c := range cells {
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t[i] = c.Text
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}
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return t
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}
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