FPDF_BITMAP EmbedderTest::RenderPage(FPDF_PAGE page) {
int width = static_cast<int>(FPDF_GetPageWidth(page));
int height = static_cast<int>(FPDF_GetPageHeight(page));
FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, 0);
FPDFBitmap_FillRect(bitmap, 0, 0, width, height, 0xFFFFFFFF);
FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0);
FPDF_FFLDraw(form_handle_, bitmap, page, 0, 0, width, height, 0, 0);
return bitmap;
}
FPDF_BITMAP EmbedderTest::RenderPage(FPDF_PAGE page) {
int width = static_cast<int>(FPDF_GetPageWidth(page));
int height = static_cast<int>(FPDF_GetPageHeight(page));
int alpha = FPDFPage_HasTransparency(page) ? 1 : 0;
FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, alpha);
FPDF_DWORD fill_color = alpha ? 0x00000000 : 0xFFFFFFFF;
FPDFBitmap_FillRect(bitmap, 0, 0, width, height, fill_color);
FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0);
FPDF_FFLDraw(form_handle_, bitmap, page, 0, 0, width, height, 0, 0);
return bitmap;
}
wxBitmap wxPDFViewPage::CreateBitmap(FPDF_PAGE page, FPDF_FORMHANDLE form, const wxSize& bmpSize, int flags)
{
FPDF_BITMAP bitmap = FPDFBitmap_Create(bmpSize.x, bmpSize.y, 0);
FPDFBitmap_FillRect(bitmap, 0, 0, bmpSize.x, bmpSize.y, 0xFFFFFFFF);
FPDF_RenderPageBitmap(bitmap, page, 0, 0, bmpSize.x, bmpSize.y, 0, flags);
unsigned char* buffer =
reinterpret_cast<unsigned char*>(FPDFBitmap_GetBuffer(bitmap));
if (form)
FPDF_FFLDraw(form, bitmap, page, 0, 0, bmpSize.x, bmpSize.y, 0, flags);
// Convert BGRA image data from PDF SDK to RGB image data
wxBitmap bmp(bmpSize, 24);
unsigned char* srcP = buffer;
wxNativePixelData data(bmp);
wxNativePixelData::Iterator p(data);
for (int y = 0; y < bmpSize.y; ++y)
{
wxNativePixelData::Iterator rowStart = p;
for (int x = 0; x < bmpSize.x; ++x, ++p)
{
p.Blue() = *(srcP++);
p.Green() = *(srcP++);
p.Red() = *(srcP++);
srcP++;
}
p = rowStart;
p.OffsetY(data, 1);
}
FPDFBitmap_Destroy(bitmap);
return bmp;
}
