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Use filled pathes for patterns instead of images.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2443 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Pfeiffer 2003-01-13 07:03:22 +00:00
parent cd5337c0a2
commit f174b73224
1 changed files with 60 additions and 0 deletions
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60
src/add-ons/print/drivers/pdf/source/PDFWriter.cpp
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@ -575,6 +575,65 @@ void
PDFWriter::CreatePattern()
{
REPORT(kDebug, fPage, "CreatePattern");
#if 1
// use filled pathes for pattern
// pro: see con of bitmap pattern
// con: not rendered (correctly) in BePDF with small zoom factor
int pattern = PDF_begin_pattern(fPdf, 8, 8, 8, 8, 1);
if (pattern == -1) {
REPORT(kError, fPage, "CreatePattern could not create pattern");
return;
}
for (int pass = 0; pass < 2; pass ++) {
float r, g, b;
bool is_transparent;
if (pass == 0) {
r = fState->foregroundColor.red / 255.0;
g = fState->foregroundColor.green / 255.0;
b = fState->foregroundColor.blue / 255.0;
is_transparent = fState->foregroundColor.alpha < 128;
} else {
r = fState->backgroundColor.red / 255.0;
g = fState->backgroundColor.green / 255.0;
b = fState->backgroundColor.blue / 255.0;
is_transparent = fState->backgroundColor.alpha < 128;
}
PDF_setcolor(fPdf, "fill", "rgb", r, g, b, 0);
if (is_transparent) continue;
uint8* data = (uint8*)fState->pattern0.data;
for (int8 y = 0; y <= 7; y ++, data ++) {
uint8 d = *data;
for (int8 x = 0; x <= 7; x ++, d >>= 1) {
if (d & 1 == 1) { // foreground
if (pass != 0) continue;
} else { // background
if (pass != 1) continue;
}
// create rectangle for pixel
float x1 = x + 1, y1 = y + 1;
PDF_moveto(fPdf, x, y);
PDF_lineto(fPdf, x, y1);
PDF_lineto(fPdf, x1, y1);
PDF_lineto(fPdf, x1, y);
PDF_closepath(fPdf);
PDF_fill(fPdf);
}
}
}
PDF_end_pattern(fPdf);
#else
// use bitmap for pattern
// pro: BePDF renders pattern also with small zoom factor
// con: BePDF omits mask during rendering
BBitmap bm(BRect(0, 0, 7, 7), B_RGBA32);
uint8* data = (uint8*)fState->pattern0.data;
@ -624,6 +683,7 @@ PDFWriter::CreatePattern()
PDF_end_pattern(fPdf);
PDF_close_image(fPdf, image);
if (mask != -1) PDF_close_image(fPdf, mask);
#endif
Pattern* p = new Pattern(fState->pattern0, fState->backgroundColor, fState->foregroundColor, pattern);
fPatterns.AddItem(p);