/*
* Class: org_libharu_PdfPage
* Method: setRGBFill
* Signature: (FFF)V
*/
JNIEXPORT void JNICALL
Java_org_libharu_PdfPage_setRGBFill(JNIEnv *env, jobject obj, jfloat red, jfloat green, jfloat blue) {
jint page;
/* Get mHPDFPagePointer */
page = (*env)->GetIntField(env, obj, mHPDFPagePointer);
HPDF_Page_SetRGBFill((HPDF_Page) page, (HPDF_REAL) red, (HPDF_REAL) green, (HPDF_REAL) blue);
}
JNIEXPORT void JNICALL Java_com_draekko_libharu_PdfPage_setRGBFill
(JNIEnv *env, jobject obj, jfloat red, jfloat green, jfloat blue) {
haru_setup_error_handler(env, __func__);
HPDF_Page page = get_HPDF_Page(env, obj);
HPDF_Page_SetRGBFill(page, red, green, blue);
haru_clear_error_handler();
}
/**
* Checks if given fill colour is already set in PDF gstate and if not,
* update the gstate accordingly.
* \param page PDF page where the update needs to happen.
* \param col Wanted fill colour.
*/
void pdfw_gs_fillcolour(HPDF_Page page, colour col)
{
if (col == pdfw_gs[pdfw_gs_level].fillColour)
return;
pdfw_gs[pdfw_gs_level].fillColour = col;
if (RBYTE(col) == GBYTE(col) && GBYTE(col) == BBYTE(col))
HPDF_Page_SetGrayFill(pdf_page, R(col));
else
HPDF_Page_SetRGBFill(pdf_page, R(col), G(col), B(col));
}
void
draw_circles (HPDF_Page page, const char *description, HPDF_REAL x, HPDF_REAL y)
{
HPDF_Page_SetLineWidth (page, 1.0f);
HPDF_Page_SetRGBStroke (page, 0.0f, 0.0f, 0.0f);
HPDF_Page_SetRGBFill (page, 1.0f, 0.0f, 0.0f);
HPDF_Page_Circle (page, x + 40, y + 40, 40);
HPDF_Page_ClosePathFillStroke (page);
HPDF_Page_SetRGBFill (page, 0.0f, 1.0f, 0.0f);
HPDF_Page_Circle (page, x + 100, y + 40, 40);
HPDF_Page_ClosePathFillStroke (page);
HPDF_Page_SetRGBFill (page, 0.0f, 0.0f, 1.0f);
HPDF_Page_Circle (page, x + 70, y + 74.64, 40);
HPDF_Page_ClosePathFillStroke (page);
HPDF_Page_SetRGBFill (page, 0.0f, 0.0f, 0.0f);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, x + 0.0f, y + 130.0f, description);
HPDF_Page_EndText (page);
}
void
show_description (HPDF_Page page,
HPDF_REAL x,
HPDF_REAL y,
const char *text)
{
float fsize = HPDF_Page_GetCurrentFontSize (page);
HPDF_Font font = HPDF_Page_GetCurrentFont (page);
HPDF_RGBColor c = HPDF_Page_GetRGBFill (page);
HPDF_Page_BeginText (page);
HPDF_Page_SetRGBFill (page, 0, 0, 0);
HPDF_Page_SetTextRenderingMode (page, HPDF_FILL);
HPDF_Page_SetFontAndSize (page, font, 10);
HPDF_Page_TextOut (page, x, y - 12, text);
HPDF_Page_EndText (page);
HPDF_Page_SetFontAndSize (page, font, fsize);
HPDF_Page_SetRGBFill (page, c.r, c.g, c.b);
}
int main (int argc, char **argv)
{
HPDF_Doc pdf;
HPDF_Page page;
HPDF_Font def_font;
HPDF_REAL height;
HPDF_REAL width;
HPDF_UINT i;
int page_num = 1;
int done = 0;
char page_number[MAXSTRING];
int line_num = 1;
FILE *input_file = NULL;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-t") == 0)
{
strcpy(page_title, argv[++i]);
}
else if (strcmp(argv[i], "-o") == 0)
{
strcpy(fname, argv[++i]);
}
else if (strcmp(argv[i], "-k") == 0)
{
page_margin_odd = page_margin_kindle;
page_margin_even = page_margin_kindle;
}
else if (strcmp(argv[i], "-n") == 0)
{
no_line_number = 1;
}
else if (strcmp(argv[i], "-h")==0)
{
usage();
}
else if (strcmp(argv[i], "-l") == 0)
{
use_landscape = 1;
page_margin_odd = page_margin_odd_landscape;
page_margin_even = page_margin_even_landscape;
LINES_PER_PAGE=50;
}
else if (strcmp(argv[i], "-")==0)
{
input_file = stdin;
}
else
{
input_file = fopen(argv[i], "r");
}
}
if (input_file == NULL)
{
printf("error: no input specified\n");
usage();
}
pdf = HPDF_New (error_handler, NULL);
if (!pdf) {
printf ("error: cannot create PdfDoc object\n");
return 1;
}
if (setjmp(env)) {
HPDF_Free (pdf);
return 1;
}
while (!done)
{
int n = 0;
char buf[1000];
char *p;
while ((p = fgets(buf, 999, input_file)) && n < LINES_PER_PAGE)
{
if (buf[0] == '@')
{
if (strncmp(buf, "@title ", 7)==0)
{
strcpy(page_title, buf+7);
}
else if (strncmp(buf, "@newpage", 8)==0)
{
if (n != 0 && n != LINES_PER_PAGE-1)
{
line_num += LINES_PER_PAGE;
line_num -= line_num % LINES_PER_PAGE;
line_num ++;
break;
}
}
continue;
}
lines[n].line_num = line_num++;
strcpy(lines[n].line, buf);
n++;
}
/* If no more input in future, this is the last page,
* flag as done.
*/
if (p == NULL)
done = 1;
/* If no lines are read, we are done. */
if (n == 0)
break;
/* Add a new page object. */
page = HPDF_AddPage (pdf);
HPDF_Page_SetSize (page, HPDF_PAGE_SIZE_A4, use_landscape?HPDF_PAGE_LANDSCAPE:HPDF_PAGE_PORTRAIT);
HPDF_Page_SetRGBFill(page, 0, 0, 0);
height = HPDF_Page_GetHeight (page);
width = HPDF_Page_GetWidth (page);
page_margin = EVENPAGE(page_num) ? page_margin_even : page_margin_odd;
page_size.cx = (int)width;
page_size.cy = (int)height;
def_font = HPDF_GetFont (pdf, default_font_name, NULL);
HPDF_Page_SetFontAndSize (page, def_font, 16);
print_page_header(pdf, page, page_title);
print_page_content(pdf, page, lines, n);
sprintf(page_number, "%d", page_num);
print_page_footer(pdf, page, page_number);
page_num++;
}
if (page_num > 1)
{
HPDF_SaveToFile (pdf, fname);
printf("Output written to %s\n", fname);
}
else
{
printf("No output\n");
}
if (input_file != stdin && input_file != NULL)
fclose(input_file);
/* clean up */
HPDF_Free (pdf);
return 0;
}
int fileWriter(HPDF_Doc pdf,
HPDF_Outline root,
HPDF_Font font,
const std::string curFile,
const std::vector< std::string> vec) {
auto func_footbar = [](std::string fileName)->std::string {
std::ostringstream buffer;
buffer << " File:" << fileName.c_str() << " Autor:XCL ";
return buffer.str();
};
auto func_pageOutline = [&](HPDF_Page page, std::string curFile) {
HPDF_Outline outline;
HPDF_Destination dst;
outline = HPDF_CreateOutline(pdf, root, curFile.c_str(), NULL);
dst = HPDF_Page_CreateDestination(page);
HPDF_Destination_SetXYZ(dst, 0, HPDF_Page_GetHeight(page), 1);// 1 = 默认百分比100
HPDF_Outline_SetDestination(outline, dst);
};
auto func_drawRow = [](HPDF_Page page,std::string rid,std::string row,int y ) {
HPDF_Page_BeginText(page);
HPDF_Page_MoveTextPos(page, config::ROWID_WIDTH, y - 2);
HPDF_Page_ShowText(page, rid.c_str());
HPDF_Page_ShowText(page, row.c_str());
HPDF_Page_EndText(page);
};
HPDF_Page page = nullptr;
HPDF_REAL width,height;
HPDF_UINT y = 0; // x =0,
int currID = 0, pageID = 0, currRowCount;
std::string ss, rid;
for (int i = 0; i < vec.size(); i++) {
if (i == 0 || currRowCount > config::PAGE_ROWNUM) {
//////////////////////////////////////////////
page = HPDF_AddPage(pdf);
width = HPDF_Page_GetWidth(page);
height = HPDF_Page_GetHeight(page);
// x = 0;
y = height - config::ROW_HEIGHT;
func_pageOutline(page, curFile);
HPDF_Page_SetSize(page, HPDF_PAGE_SIZE_A4, HPDF_PAGE_PORTRAIT);
{
HPDF_RGBColor c = HPDF_Page_GetRGBFill(page);
HPDF_Page_SetRGBStroke(page, 0.0, 0.5, 0);
HPDF_Page_SetFontAndSize(page, font, config::FOOTBAR_FONT_SIZE);
HPDF_Page_SetLineWidth(page, 0.5);
HPDF_Page_MoveTo(page, 0, 13);
HPDF_Page_LineTo(page, width, 16);
HPDF_Page_Stroke(page);
HPDF_Page_SetRGBFill(page, 0.0, 0, 0.5);
HPDF_Page_BeginText(page);
HPDF_Page_MoveTextPos(page, 40, config::FOOTBAR_FONT_SIZE - 5);
HPDF_Page_ShowText(page, func_footbar(curFile).c_str());
HPDF_Page_EndText(page);
HPDF_Page_SetRGBFill(page, c.r, c.g, c.b);
};
y = height - config::ROW_HEIGHT * 2;
HPDF_Page_SetFontAndSize(page, font, config::PAGE_FONT_SIZE);
pageID++;
currRowCount = 1;
//////////////////////////////////////////////
}
///////////////////////////////////////////
ss = vec[i];
HPDF_REAL wrid = HPDF_Page_TextWidth(page, rid.c_str());
NEWROW:
HPDF_REAL wss = HPDF_Page_TextWidth(page, ss.c_str());
rid = util::rowidWidth(currRowCount );
if (wrid + wss > width) {
//简单处理:超过页宽，直接分成两行.足以应付大部份情况.
int center = ss.length() / 2;
func_drawRow(page, rid,ss.substr(0, center),y);
y -= config::ROW_HEIGHT;
currRowCount++;
ss = ss.substr(center);
goto NEWROW;
}
else {
func_drawRow(page, rid, ss,y);
y -= config::ROW_HEIGHT;
currRowCount++;
}
//////////////////////////////////////////
}
return 0;
} //end func
void init(ReportGlobals &glob) {
HPDF_Page_SetRGBFill(glob.pages.back(), r_, g_, b_);
}
void WPdfImage::drawText(const WRectF& rect,
WFlags<AlignmentFlag> flags,
TextFlag textFlag,
const WString& text,
const WPointF *clipPoint)
{
// FIXME: textFlag
if (clipPoint && painter() && !painter()->clipPath().isEmpty()) {
if (!painter()->clipPathTransform().map(painter()->clipPath())
.isPointInPath(painter()->worldTransform().map(*clipPoint)))
return;
}
if (trueTypeFont_ && !trueTypeFonts_->busy())
trueTypeFonts_->drawText(painter()->font(), rect, flags, text);
else {
HPDF_REAL left, top, right, bottom;
HPDF_TextAlignment alignment = HPDF_TALIGN_LEFT;
AlignmentFlag horizontalAlign = flags & AlignHorizontalMask;
AlignmentFlag verticalAlign = flags & AlignVerticalMask;
switch (horizontalAlign) {
default:
// should never happen
case AlignmentFlag::Left:
left = rect.left();
right = left + 10000;
alignment = HPDF_TALIGN_LEFT;
break;
case AlignmentFlag::Right:
right = rect.right();
left = right - 10000;
alignment = HPDF_TALIGN_RIGHT;
break;
case AlignmentFlag::Center:
{
float center = rect.center().x();
left = center - 5000;
right = center + 5000;
alignment = HPDF_TALIGN_CENTER;
break;
}
}
switch (verticalAlign) {
default:
// fall-through ; should never happen
case AlignmentFlag::Top:
top = rect.top(); break;
case AlignmentFlag::Middle:
// FIXME: use font metrics to center middle of ascent !
top = rect.center().y() - 0.60 * fontSize_; break;
case AlignmentFlag::Bottom:
top = rect.bottom() - fontSize_; break;
}
bottom = top + fontSize_;
if (trueTypeFonts_->busy())
setChanged(PainterChangeFlag::Font);
HPDF_Page_GSave(page_);
// Undo the global inversion
HPDF_Page_Concat(page_, 1, 0, 0, -1, 0, bottom);
HPDF_Page_BeginText(page_);
// Need to fill text using pen color
const WColor& penColor = painter()->pen().color();
HPDF_Page_SetRGBFill(page_,
penColor.red() / 255.,
penColor.green() / 255.,
penColor.blue() / 255.);
std::string s = trueTypeFont_ ? text.toUTF8() : text.narrow();
HPDF_Page_TextRect(page_, left, fontSize_, right, 0, s.c_str(),
alignment, nullptr);
HPDF_Page_EndText(page_);
HPDF_Page_GRestore(page_);
}
}
void WPdfImage::setChanged(WFlags<PainterChangeFlag> flags)
{
if (!flags.empty()) {
HPDF_Page_GRestore(page_);
HPDF_Page_GSave(page_);
HPDF_ExtGState gstate;
gstate = HPDF_CreateExtGState (pdf_);
currentFont_ = WFont();
if (painter()->hasClipping()) {
const WTransform& t = painter()->clipPathTransform();
if (!painter()->clipPath().isEmpty()) {
applyTransform(t);
drawPlainPath(painter()->clipPath());
HPDF_Page_Clip(page_);
HPDF_Page_EndPath(page_);
applyTransform(t.inverted());
}
}
applyTransform(painter()->combinedTransform());
const WPen& pen = painter()->pen();
if (pen.style() != PenStyle::None) {
const WColor& color = pen.color();
HPDF_Page_SetRGBStroke(page_,
color.red() / 255.,
color.green() / 255.,
color.blue() / 255.);
HPDF_ExtGState_SetAlphaStroke (gstate, color.alpha()/255.);
WLength w = painter()->normalizedPenWidth(pen.width(), false);
HPDF_Page_SetLineWidth(page_, w.toPixels());
switch (pen.capStyle()) {
case PenCapStyle::Flat:
HPDF_Page_SetLineCap(page_, HPDF_BUTT_END);
break;
case PenCapStyle::Square:
HPDF_Page_SetLineCap(page_, HPDF_PROJECTING_SCUARE_END); // scuary !
break;
case PenCapStyle::Round:
HPDF_Page_SetLineCap(page_, HPDF_ROUND_END);
break;
}
switch (pen.joinStyle()) {
case PenJoinStyle::Miter:
HPDF_Page_SetLineJoin(page_, HPDF_MITER_JOIN);
break;
case PenJoinStyle::Bevel:
HPDF_Page_SetLineJoin(page_, HPDF_BEVEL_JOIN);
break;
case PenJoinStyle::Round:
HPDF_Page_SetLineJoin(page_, HPDF_ROUND_JOIN);
break;
}
switch (pen.style()) {
case PenStyle::None:
break;
case PenStyle::SolidLine:
HPDF_Page_SetDash(page_, nullptr, 0, 0);
break;
case PenStyle::DashLine: {
const HPDF_UINT16 dash_ptn[] = { 4, 2 };
HPDF_Page_SetDash(page_, dash_ptn, 2, 0);
break;
}
case PenStyle::DotLine: {
const HPDF_UINT16 dash_ptn[] = { 1, 2 };
HPDF_Page_SetDash(page_, dash_ptn, 2, 0);
break;
}
case PenStyle::DashDotLine: {
const HPDF_UINT16 dash_ptn[] = { 4, 2, 1, 2 };
HPDF_Page_SetDash(page_, dash_ptn, 4, 0);
break;
}
case PenStyle::DashDotDotLine: {
const HPDF_UINT16 dash_ptn[] = { 4, 2, 1, 2, 1, 2 };
HPDF_Page_SetDash(page_, dash_ptn, 6, 0);
break;
}
}
}
const WBrush& brush = painter()->brush();
if (brush.style() != BrushStyle::None) {
const WColor& color = painter()->brush().color();
HPDF_Page_SetRGBFill(page_,
color.red() / 255.,
color.green() / 255.,
color.blue() / 255.);
HPDF_ExtGState_SetAlphaFill (gstate, color.alpha()/255.);
}
HPDF_Page_SetExtGState (page_, gstate);
const WFont& font = painter()->font();
if (font == currentFont_ && !trueTypeFonts_->busy())
return;
/*
* First, try a true type font.
*/
std::string ttfFont;
if (trueTypeFonts_->busy()) {
/*
* We have a resolved true type font.
*/
ttfFont = trueTypeFonts_->drawingFontPath();
} else {
FontSupport::FontMatch match = trueTypeFonts_->matchFont(font);
if (match.matched())
ttfFont = match.fileName();
}
LOG_DEBUG("font: " << ttfFont);
if (font == currentFont_ &&
!ttfFont.empty() &&
currentTtfFont_ == ttfFont)
return;
currentFont_ = font;
const char *font_name = nullptr;
font_ = nullptr;
if (!ttfFont.empty()) {
bool fontOk = false;
std::map<std::string, const char *>::const_iterator i
= ttfFonts_.find(ttfFont);
if (i != ttfFonts_.end()) {
font_name = i->second;
fontOk = true;
} else if (ttfFont.length() > 4) {
std::string suffix
= Utils::lowerCase(ttfFont.substr(ttfFont.length() - 4));
if (suffix == ".ttf") {
font_name = HPDF_LoadTTFontFromFile (pdf_, ttfFont.c_str(),
HPDF_TRUE);
} else if (suffix == ".ttc") {
/* Oops, pango didn't tell us which font to load ... */
font_name = HPDF_LoadTTFontFromFile2(pdf_, ttfFont.c_str(),
0, HPDF_TRUE);
}
if (!font_name)
HPDF_ResetError (pdf_);
else {
ttfFonts_[ttfFont] = font_name;
fontOk = true;
}
}
if (!fontOk)
LOG_ERROR("cannot read font: '" << ttfFont << "': "
"expecting a true type font (.ttf, .ttc)");
}
if (!font_ && font_name) {
font_ = HPDF_GetFont (pdf_, font_name, "UTF-8");
if (!font_)
HPDF_ResetError (pdf_);
else {
trueTypeFont_ = true;
currentTtfFont_ = ttfFont;
}
}
if (!font_) {
trueTypeFont_ = false;
currentTtfFont_.clear();
std::string name = Pdf::toBase14Font(font);
font_ = HPDF_GetFont(pdf_, name.c_str(), nullptr);
}
fontSize_ = font.sizeLength(12).toPixels();
HPDF_Page_SetFontAndSize (page_, font_, fontSize_);
}
}
void WPdfImage::drawText(const WRectF& rect,
WFlags<AlignmentFlag> flags,
TextFlag textFlag,
const WString& text)
{
// FIXME: textFlag
if (trueTypeFont_ && !trueTypeFonts_->busy())
trueTypeFonts_->drawText(painter()->font(), rect, flags, text);
else {
HPDF_REAL left, top, right, bottom;
HPDF_TextAlignment alignment;
AlignmentFlag horizontalAlign = flags & AlignHorizontalMask;
AlignmentFlag verticalAlign = flags & AlignVerticalMask;
switch (horizontalAlign) {
case AlignLeft:
left = rect.left();
right = left + 1000;
alignment = HPDF_TALIGN_LEFT;
break;
case AlignRight:
right = rect.right();
left = right - 1000;
alignment = HPDF_TALIGN_RIGHT;
break;
case AlignCenter:
{
float center = rect.center().x();
left = center - 500;
right = center + 500;
alignment = HPDF_TALIGN_CENTER;
break;
}
default:
break;
}
switch (verticalAlign) {
case AlignTop:
top = rect.top(); break;
case AlignMiddle:
// FIXME: use font metrics to center middle of ascent !
top = rect.center().y() - 0.60 * fontSize_; break;
case AlignBottom:
top = rect.bottom() - fontSize_; break;
default:
break;
}
bottom = top + fontSize_;
if (trueTypeFonts_->busy())
setChanged(Font);
HPDF_Page_GSave(page_);
// Undo the global inversion
HPDF_Page_Concat(page_, 1, 0, 0, -1, 0, bottom);
HPDF_Page_BeginText(page_);
// Need to fill text using pen color
const WColor& penColor = painter()->pen().color();
HPDF_Page_SetRGBFill(page_,
penColor.red() / 255.,
penColor.green() / 255.,
penColor.blue() / 255.);
std::string s = trueTypeFont_ ? text.toUTF8() : text.narrow();
HPDF_Page_TextRect(page_, left, fontSize_, right, 0, s.c_str(),
alignment, 0);
HPDF_Page_EndText(page_);
HPDF_Page_GRestore(page_);
}
}
int main (int argc, char **argv)
{
const char *page_title = "Text Demo";
HPDF_Doc pdf;
HPDF_Font font;
HPDF_Page page;
char fname[256];
const char* samp_text = "abcdefgABCDEFG123!#$%&+-@?";
const char* samp_text2 = "The quick brown fox jumps over the lazy dog.";
float tw;
float fsize;
int i;
int len;
float angle1;
float angle2;
float rad1;
float rad2;
float ypos;
strcpy (fname, argv[0]);
strcat (fname, ".pdf");
pdf = HPDF_New (error_handler, NULL);
if (!pdf) {
printf ("error: cannot create PdfDoc object\n");
return 1;
}
if (setjmp(env)) {
HPDF_Free (pdf);
return 1;
}
/* set compression mode */
HPDF_SetCompressionMode (pdf, HPDF_COMP_ALL);
/* create default-font */
font = HPDF_GetFont (pdf, "Helvetica", NULL);
/* add a new page object. */
page = HPDF_AddPage (pdf);
/* draw grid to the page */
print_grid (pdf, page);
/* print the lines of the page.
HPDF_Page_SetLineWidth (page, 1);
HPDF_Page_Rectangle (page, 50, 50, HPDF_Page_GetWidth(page) - 100,
HPDF_Page_GetHeight (page) - 110);
HPDF_Page_Stroke (page);
*/
/* print the title of the page (with positioning center). */
HPDF_Page_SetFontAndSize (page, font, 24);
tw = HPDF_Page_TextWidth (page, page_title);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, (HPDF_Page_GetWidth(page) - tw) / 2,
HPDF_Page_GetHeight (page) - 50, page_title);
HPDF_Page_EndText (page);
HPDF_Page_BeginText (page);
HPDF_Page_MoveTextPos (page, 60, HPDF_Page_GetHeight(page) - 60);
/*
* font size
*/
fsize = 8;
while (fsize < 60) {
char buf[50];
int len;
/* set style and size of font. */
HPDF_Page_SetFontAndSize(page, font, fsize);
/* set the position of the text. */
HPDF_Page_MoveTextPos (page, 0, -5 - fsize);
/* measure the number of characters which included in the page. */
strcpy(buf, samp_text);
len = HPDF_Page_MeasureText (page, samp_text,
HPDF_Page_GetWidth(page) - 120, HPDF_FALSE, NULL);
/* truncate the text. */
buf[len] = 0x00;
HPDF_Page_ShowText (page, buf);
/* print the description. */
HPDF_Page_MoveTextPos (page, 0, -10);
HPDF_Page_SetFontAndSize(page, font, 8);
#ifdef __WIN32__
_snprintf(buf, 50, "Fontsize=%.0f", fsize);
#else
snprintf(buf, 50, "Fontsize=%.0f", fsize);
#endif
HPDF_Page_ShowText (page, buf);
fsize *= 1.5;
}
/*
* font color
*/
HPDF_Page_SetFontAndSize(page, font, 8);
HPDF_Page_MoveTextPos (page, 0, -30);
HPDF_Page_ShowText (page, "Font color");
HPDF_Page_SetFontAndSize (page, font, 18);
HPDF_Page_MoveTextPos (page, 0, -20);
len = strlen (samp_text);
for (i = 0; i < len; i++) {
char buf[2];
float r = (float)i / (float)len;
float g = 1 - ((float)i / (float)len);
buf[0] = samp_text[i];
buf[1] = 0x00;
HPDF_Page_SetRGBFill (page, r, g, 0.0);
HPDF_Page_ShowText (page, buf);
}
HPDF_Page_MoveTextPos (page, 0, -25);
for (i = 0; i < len; i++) {
char buf[2];
float r = (float)i / (float)len;
float b = 1 - ((float)i / (float)len);
buf[0] = samp_text[i];
buf[1] = 0x00;
HPDF_Page_SetRGBFill (page, r, 0.0, b);
HPDF_Page_ShowText (page, buf);
}
HPDF_Page_MoveTextPos (page, 0, -25);
for (i = 0; i < len; i++) {
char buf[2];
float b = (float)i / (float)len;
float g = 1 - ((float)i / (float)len);
buf[0] = samp_text[i];
buf[1] = 0x00;
HPDF_Page_SetRGBFill (page, 0.0, g, b);
HPDF_Page_ShowText (page, buf);
}
HPDF_Page_EndText (page);
ypos = 450;
/*
* Font rendering mode
*/
HPDF_Page_SetFontAndSize(page, font, 32);
HPDF_Page_SetRGBFill (page, 0.5, 0.5, 0.0);
HPDF_Page_SetLineWidth (page, 1.5);
/* PDF_FILL */
show_description (page, 60, ypos,
"RenderingMode=PDF_FILL");
HPDF_Page_SetTextRenderingMode (page, HPDF_FILL);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, 60, ypos, "ABCabc123");
HPDF_Page_EndText (page);
/* PDF_STROKE */
show_description (page, 60, ypos - 50,
"RenderingMode=PDF_STROKE");
HPDF_Page_SetTextRenderingMode (page, HPDF_STROKE);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, 60, ypos - 50, "ABCabc123");
HPDF_Page_EndText (page);
/* PDF_FILL_THEN_STROKE */
show_description (page, 60, ypos - 100,
"RenderingMode=PDF_FILL_THEN_STROKE");
HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_THEN_STROKE);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, 60, ypos - 100, "ABCabc123");
HPDF_Page_EndText (page);
/* PDF_FILL_CLIPPING */
show_description (page, 60, ypos - 150,
"RenderingMode=PDF_FILL_CLIPPING");
HPDF_Page_GSave (page);
HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_CLIPPING);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, 60, ypos - 150, "ABCabc123");
HPDF_Page_EndText (page);
show_stripe_pattern (page, 60, ypos - 150);
HPDF_Page_GRestore (page);
/* PDF_STROKE_CLIPPING */
show_description (page, 60, ypos - 200,
"RenderingMode=PDF_STROKE_CLIPPING");
HPDF_Page_GSave (page);
HPDF_Page_SetTextRenderingMode (page, HPDF_STROKE_CLIPPING);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, 60, ypos - 200, "ABCabc123");
HPDF_Page_EndText (page);
show_stripe_pattern (page, 60, ypos - 200);
HPDF_Page_GRestore (page);
/* PDF_FILL_STROKE_CLIPPING */
show_description (page, 60, ypos - 250,
"RenderingMode=PDF_FILL_STROKE_CLIPPING");
HPDF_Page_GSave (page);
HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_STROKE_CLIPPING);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, 60, ypos - 250, "ABCabc123");
HPDF_Page_EndText (page);
show_stripe_pattern (page, 60, ypos - 250);
HPDF_Page_GRestore (page);
/* Reset text attributes */
HPDF_Page_SetTextRenderingMode (page, HPDF_FILL);
HPDF_Page_SetRGBFill (page, 0, 0, 0);
HPDF_Page_SetFontAndSize(page, font, 30);
/*
* Rotating text
*/
angle1 = 30; /* A rotation of 30 degrees. */
rad1 = angle1 / 180 * 3.141592; /* Calcurate the radian value. */
show_description (page, 320, ypos - 60, "Rotating text");
HPDF_Page_BeginText (page);
HPDF_Page_SetTextMatrix (page, cos(rad1), sin(rad1), -sin(rad1), cos(rad1),
330, ypos - 60);
HPDF_Page_ShowText (page, "ABCabc123");
HPDF_Page_EndText (page);
/*
* Skewing text.
*/
show_description (page, 320, ypos - 120, "Skewing text");
HPDF_Page_BeginText (page);
angle1 = 10;
angle2 = 20;
rad1 = angle1 / 180 * 3.141592;
rad2 = angle2 / 180 * 3.141592;
HPDF_Page_SetTextMatrix (page, 1, tan(rad1), tan(rad2), 1, 320, ypos - 120);
HPDF_Page_ShowText (page, "ABCabc123");
HPDF_Page_EndText (page);
/*
* scaling text (X direction)
*/
show_description (page, 320, ypos - 175, "Scaling text (X direction)");
HPDF_Page_BeginText (page);
HPDF_Page_SetTextMatrix (page, 1.5, 0, 0, 1, 320, ypos - 175);
HPDF_Page_ShowText (page, "ABCabc12");
HPDF_Page_EndText (page);
/*
* scaling text (Y direction)
*/
show_description (page, 320, ypos - 250, "Scaling text (Y direction)");
HPDF_Page_BeginText (page);
HPDF_Page_SetTextMatrix (page, 1, 0, 0, 2, 320, ypos - 250);
HPDF_Page_ShowText (page, "ABCabc123");
HPDF_Page_EndText (page);
/*
* char spacing, word spacing
*/
show_description (page, 60, 140, "char-spacing 0");
show_description (page, 60, 100, "char-spacing 1.5");
show_description (page, 60, 60, "char-spacing 1.5, word-spacing 2.5");
HPDF_Page_SetFontAndSize (page, font, 20);
HPDF_Page_SetRGBFill (page, 0.1, 0.3, 0.1);
/* char-spacing 0 */
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, 60, 140, samp_text2);
HPDF_Page_EndText (page);
/* char-spacing 1.5 */
HPDF_Page_SetCharSpace (page, 1.5);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, 60, 100, samp_text2);
HPDF_Page_EndText (page);
/* char-spacing 1.5, word-spacing 3.5 */
HPDF_Page_SetWordSpace (page, 2.5);
HPDF_Page_BeginText (page);
HPDF_Page_TextOut (page, 60, 60, samp_text2);
HPDF_Page_EndText (page);
/* save the document to a file */
HPDF_SaveToFile (pdf, fname);
/* clean up */
HPDF_Free (pdf);
return 0;
}
