public void PDFiumBridge_FPDFRenderPageBitmapWithMatrix_SimpleCall_NoException()
{
var matrix = new FS_MATRIX();
var clipping = new FS_RECTF();
_bridge.FPDF_RenderPageBitmapWithMatrix(FPDF_BITMAP.InvalidHandle, FPDF_PAGE.InvalidHandle, ref matrix, ref clipping, FPDF_RENDERING_FLAGS.FPDF_NONE);
}
/// <summary>
/// Render the page to the bitmap.
/// </summary>
/// <param name="page">Page to render.</param>
/// <param name="zoomFactor">Zoom factor to use for transformation.</param>
/// <param name="startX">Left pixel position of the page area to render.</param>
/// <param name="startY">Top pixel position of the page area to render.</param>
/// <param name="sizeX">Width of the page area to render.</param>
/// <param name="sizeY">Height of the page area to render.</param>
/// <param name="flags">Rendering flags to use for rendering.</param>
public void RenderWithTransformation(FPDF_PAGE page, double zoomFactor, int startX, int startY, int sizeX, int sizeY, FPDF_RENDERING_FLAGS flags)
{
// Translation is performed with [1 0 0 1 tx ty].
// Scaling is performed with [sx 0 0 sy 0 0].
FS_MATRIX matrix = new FS_MATRIX {
A = (float)zoomFactor, B = 0, C = 0, D = (float)zoomFactor, E = startX > 0f ? 0f : startX, F = startY > 0f ? 0f : startY
};
FS_RECTF rect = new FS_RECTF {
Left = startX, Right = startX + sizeX, Top = startY, Bottom = startY + sizeY
};
_mainComponent.PDFiumBridge.FPDF_RenderPageBitmapWithMatrix(_bitmapHandle, page, ref matrix, ref rect, flags);
}
public void FPDFVIEW_Render_Call()
{
var pdfFile = Path.Combine(_pdfFilesFolder, "Precalculus.pdf");
var bridge = new PDFiumBridge();
var document = bridge.FPDF_LoadDocument(pdfFile, null);
Assert.IsTrue(document.IsValid);
var page = bridge.FPDF_LoadPage(document, 0);
Assert.IsTrue(page.IsValid);
var bitmap = bridge.FPDFBitmap_Create(100, 200, false);
Assert.IsTrue(bitmap.IsValid);
bridge.FPDF_RenderPageBitmap(bitmap, page, 0, 0, 100, 200, 0, 0);
bridge.FPDFBitmap_Destroy(bitmap);
bitmap = bridge.FPDFBitmap_Create(1000, 2000, false);
Assert.IsTrue(bitmap.IsValid);
var matrix = new FS_MATRIX
{
A = 1,
B = 0,
C = 0,
D = 1,
E = 1,
F = 1,
};
var rect = new FS_RECTF
{
Left = 0,
Right = 612,
Top = 792,
Bottom = 0,
};
bridge.FPDF_RenderPageBitmapWithMatrix(bitmap, page, ref matrix, ref rect, 0);
bridge.FPDFBitmap_Destroy(bitmap);
bridge.FPDF_ClosePage(page);
bridge.FPDF_CloseDocument(document);
bridge.Dispose();
}
public void PDFiumBridge_FPDFTextGetMatrix_SimpleCall_NoException()
{
var matrix = new FS_MATRIX();
_bridge.FPDFText_GetMatrix(FPDF_TEXTPAGE.InvalidHandle, 0, ref matrix);
}
public static extern void FPDF_RenderPageBitmapWithMatrix(IntPtr bitmap, IntPtr page, [In] ref FS_MATRIX matrix, [In] ref FS_RECTF clipping, int flags);
