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js djvu links

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This commit is contained in:
Kulikova Svetlana
2021-08-19 18:02:59 +03:00
parent c8ce35e4b9
commit 0465a264aa
5 changed files with 106 additions and 27 deletions
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50
DesktopEditor/graphics/pro/js/wasm/src/wasmgraphics.cpp
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@ -284,6 +284,22 @@ int main()
int width = info[1] * 96 / info[3];
int height = info[2] * 96 / info[3];
BYTE* res = NULL;
if (pages_count > 0)
res = XPS_GetPixmap(test, 0, width, height);
for (int i = 0; i < 100; i++)
std::cout << (int)res[i] << " ";
CBgraFrame* resFrame = new CBgraFrame();
resFrame->put_Data(res);
resFrame->put_Width(width);
resFrame->put_Height(height);
resFrame->put_Stride(-4 * width);
resFrame->put_IsRGBA(true);
resFrame->SaveFile(NSFile::GetProcessDirectory() + L"/res.png", _CXIMAGE_FORMAT_PNG);
resFrame->ClearNoAttack();
BYTE* pGlyphs = DJVU_GetGlyphs(test, 0, width, height);
DWORD nLength = GetLength(pGlyphs);
DWORD i = 4;
@ -321,26 +337,26 @@ int main()
{
DWORD nPathLength = GetLength(pLinks + i);
i += 4;
std::cout << "Link "<< std::string((char*)(pLinks + i), nPathLength) << std::endl;
std::cout << "Link "<< std::string((char*)(pLinks + i), nPathLength) << " ";
i += nPathLength;
nPathLength = GetLength(pLinks + i);
i += 4;
std::cout << "X " << std::string((char*)(pLinks + i), nPathLength) << " ";
i += nPathLength;
nPathLength = GetLength(pLinks + i);
i += 4;
std::cout << "Y " << std::string((char*)(pLinks + i), nPathLength) << " ";
i += nPathLength;
nPathLength = GetLength(pLinks + i);
i += 4;
std::cout << "W " << std::string((char*)(pLinks + i), nPathLength) << " ";
i += nPathLength;
nPathLength = GetLength(pLinks + i);
i += 4;
std::cout << "H " << std::string((char*)(pLinks + i), nPathLength) << std::endl;
i += nPathLength;
}
BYTE* res = NULL;
if (pages_count > 0)
res = XPS_GetPixmap(test, 0, width, height);
for (int i = 0; i < 100; i++)
std::cout << (int)res[i] << " ";
CBgraFrame* resFrame = new CBgraFrame();
resFrame->put_Data(res);
resFrame->put_Width(width);
resFrame->put_Height(height);
resFrame->put_Stride(-4 * width);
resFrame->put_IsRGBA(true);
resFrame->SaveFile(NSFile::GetProcessDirectory() + L"/res.png", _CXIMAGE_FORMAT_PNG);
resFrame->ClearNoAttack();
BYTE* pStructure = DJVU_GetStructure(test);
nLength = GetLength(pStructure);
i = 4;

1
DesktopEditor/graphics/pro/js/xps_djvu_make.py
View File

@ -51,6 +51,7 @@ exported_functions = ["_malloc",
"_DJVU_GetGlyphs",
"_XPS_GetExternalLinks",
"_XPS_GetInternalLinks",
"_DJVU_GetLinks",
"_XPS_GetStructure",
"_DJVU_GetStructure",
"_XPS_Delete"]

20
DjVuFile/DjVuFileImplementation.cpp
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@ -570,16 +570,32 @@ BYTE* CDjVuFileImplementation::GetPageGlyphs(int nPageIndex, const
}
BYTE* CDjVuFileImplementation::GetPageLinks (int nPageIndex, const int& nRasterW, const int& nRasterH)
{
double dPageDpiX, dPageDpiY;
double dWidth, dHeight;
GetPageInfo(nPageIndex, &dWidth, &dHeight, &dPageDpiX, &dPageDpiY);
GP<DjVuImage> pPage = m_pDoc->get_page(nPageIndex);
GP<DjVuAnno> pAnno = pPage->get_decoded_anno();
GPList<GMapArea> map_areas = pAnno->ant->map_areas;
CData oRes;
oRes.SkipLen();
double dKoefX = (double)nRasterW * dPageDpiX / 25.4 / dWidth;
double dKoefY = (double)nRasterH * dPageDpiY / 25.4 / dHeight;
for(GPosition pos(map_areas); pos; ++pos)
{
GUTF8String sURL = map_areas[pos]->url;
oRes.WriteString((BYTE*)sURL.getbuf(), sURL.length());
GUTF8String str = map_areas[pos]->url;
oRes.WriteString((BYTE*)str.getbuf(), str.length());
double x = map_areas[pos]->get_xmin() * dKoefX;
std::string s = std::to_string(x);
oRes.WriteString((BYTE*)s.c_str(), s.length());
double y = map_areas[pos]->get_ymin() * dKoefY;
s = std::to_string(y);
oRes.WriteString((BYTE*)s.c_str(), s.length());
s = std::to_string(map_areas[pos]->get_xmax() * dKoefX - x);
oRes.WriteString((BYTE*)s.c_str(), s.length());
s = std::to_string(map_areas[pos]->get_ymax() * dKoefY - y);
oRes.WriteString((BYTE*)s.c_str(), s.length());
}
oRes.WriteLen();

24
DjVuFile/wasm/all_files_test/code.js
View File

@ -382,18 +382,14 @@ window.onload = function()
this.file.getGlyphs(pageIndex, width, height);
};
this.getExternalLinks = function(pageIndex, width, height)
this.getLinks = function(pageIndex, width, height)
{
var res = this.file.getExtLinks(pageIndex, width, height);
return res;
};
this.getInternalLinks = function(pageIndex, width, height)
{
var res = this.file.getIntLinks(pageIndex, width, height);
var res = this.file.getLinks(pageIndex, width, height);
return res;
};
this.links = null;
this._paint = function()
{
if (!this.isRepaint)
@ -474,6 +470,8 @@ window.onload = function()
{
page.Image = this.file.getPage(i, w, h);
this.getGlyphs(i, w, h);
this.links = this.getLinks(i, w, h);
this.links.Page = i;
}
let x = ((xCenter * this.retinaPixelRatio) >> 0) - (w >> 1);
@ -482,6 +480,16 @@ window.onload = function()
ctx.drawImage(page.Image, 0, 0, w, h, x, y, w, h);
if (this.Selection.page == i && this.Selection.IsSelection)
ctx.drawImage(this.Selection.Image, 0, 0, w, h, x, y, w, h);
if (this.links && this.links.Page == i)
{
ctx.fillStyle = "#FF0000";
for (let j = 0; j < this.links.length; j++)
{
let Link = this.links[j];
ctx.fillRect(x + Link.X, y + Link.Y, Link.W, Link.H);
}
}
ctx.strokeRect(x + lineW / 2, y + lineW / 2, w - lineW, h - lineW);
}

38
DjVuFile/wasm/djvu_base.js
View File

@ -178,6 +178,44 @@
}
Module["_XPS_Delete"](glyphs);
};
CFile.prototype.getLinks = function(pageIndex, width, height)
{
var res = [];
var ext = Module["_DJVU_GetLinks"](this.nativeFile, pageIndex, width, height);
var lenArray = new Int32Array(Module["HEAP8"].buffer, ext, 4);
if (lenArray == null)
return res;
var len = lenArray[0];
len -= 4;
if (len <= 0)
return res;
var index = 0;
var buffer = new Uint8Array(Module["HEAP8"].buffer, ext + 4, len);
while (index < len)
{
var lenRec = buffer[index] | buffer[index + 1] << 8 | buffer[index + 2] << 16 | buffer[index + 3] << 24;
index += 4;
var _Link = "".fromUtf8(buffer, index, lenRec);
lenRec = buffer[index] | buffer[index + 1] << 8 | buffer[index + 2] << 16 | buffer[index + 3] << 24;
index += 4;
var _X = lenRec;
lenRec = buffer[index] | buffer[index + 1] << 8 | buffer[index + 2] << 16 | buffer[index + 3] << 24;
index += 4;
var _Y = lenRec;
lenRec = buffer[index] | buffer[index + 1] << 8 | buffer[index + 2] << 16 | buffer[index + 3] << 24;
index += 4;
var _W = lenRec;
lenRec = buffer[index] | buffer[index + 1] << 8 | buffer[index + 2] << 16 | buffer[index + 3] << 24;
index += 4;
var _H = lenRec;
res.push({ X : _X, Y : _Y, W : _W, H : _H, Link : _Link});
}
Module["_XPS_Delete"](ext);
return res;
};
CFile.prototype.structure = function()
{
var res = [];