bool FontPlatformData::isFixedPitch() const
{
#if ENABLE(GDI_FONTS_ON_WINDOWS)
// TEXTMETRICS have this. Set m_treatAsFixedPitch based off that.
HWndDC dc(0);
HGDIOBJ oldFont = SelectObject(dc, hfont());
// Yes, this looks backwards, but the fixed pitch bit is actually set if the font
// is *not* fixed pitch. Unbelievable but true.
TEXTMETRIC textMetric = { 0 };
if (!GetTextMetrics(dc, &textMetric)) {
if (ensureFontLoaded(hfont())) {
// Retry GetTextMetrics.
// FIXME: Handle gracefully the error if this call also fails.
// See http://crbug.com/6401.
if (!GetTextMetrics(dc, &textMetric))
WTF_LOG_ERROR("Unable to get the text metrics after second attempt");
}
}
bool treatAsFixedPitch = !(textMetric.tmPitchAndFamily & TMPF_FIXED_PITCH);
SelectObject(dc, oldFont);
return treatAsFixedPitch;
#else
return typeface() && typeface()->isFixedPitch();
#endif
}
SCRIPT_FONTPROPERTIES* FontPlatformData::scriptFontProperties() const
{
if (!m_scriptFontProperties) {
m_scriptFontProperties = new SCRIPT_FONTPROPERTIES;
memset(m_scriptFontProperties, 0, sizeof(SCRIPT_FONTPROPERTIES));
m_scriptFontProperties->cBytes = sizeof(SCRIPT_FONTPROPERTIES);
HRESULT result = ScriptGetFontProperties(0, scriptCache(),
m_scriptFontProperties);
if (result == E_PENDING) {
HDC dc = GetDC(0);
HGDIOBJ oldFont = SelectObject(dc, hfont());
HRESULT hr = ScriptGetFontProperties(dc, scriptCache(),
m_scriptFontProperties);
if (S_OK != hr) {
if (ChromiumBridge::ensureFontLoaded(hfont())) {
// FIXME: Handle gracefully the error if this call also fails.
hr = ScriptGetFontProperties(dc, scriptCache(),
m_scriptFontProperties);
if (S_OK != hr) {
ASSERT_NOT_REACHED();
}
}
}
SelectObject(dc, oldFont);
ReleaseDC(0, dc);
}
}
return m_scriptFontProperties;
}
SCRIPT_FONTPROPERTIES* FontPlatformData::scriptFontProperties() const
{
if (!m_scriptFontProperties) {
m_scriptFontProperties = new SCRIPT_FONTPROPERTIES;
memset(m_scriptFontProperties, 0, sizeof(SCRIPT_FONTPROPERTIES));
m_scriptFontProperties->cBytes = sizeof(SCRIPT_FONTPROPERTIES);
HRESULT result = ScriptGetFontProperties(0, scriptCache(),
m_scriptFontProperties);
if (result == E_PENDING) {
HWndDC dc(0);
HGDIOBJ oldFont = SelectObject(dc, hfont());
HRESULT hr = ScriptGetFontProperties(dc, scriptCache(),
m_scriptFontProperties);
if (S_OK != hr) {
if (PlatformSupport::ensureFontLoaded(hfont())) {
// FIXME: Handle gracefully the error if this call also fails.
hr = ScriptGetFontProperties(dc, scriptCache(),
m_scriptFontProperties);
if (S_OK != hr) {
LOG_ERROR("Unable to get the font properties after second attempt");
}
}
}
SelectObject(dc, oldFont);
}
}
return m_scriptFontProperties;
}
// Routine Description:
// - Add the font described by the LOGFONT structure to the font table if
// it's not already there.
int
AddFont(
ENUMLOGFONT *pelf,
NEWTEXTMETRIC* /*pntm*/,
int /*nFontType*/,
HDC hDC)
{
wil::unique_hfont hfont(CreateFontIndirectW(&pelf->elfLogFont));
RETURN_LAST_ERROR_IF_NULL(hfont);
hfont.reset(SelectFont(hDC, hfont.release()));
TEXTMETRIC tm;
GetTextMetricsW(hDC, &tm);
SIZE sz;
GetTextExtentPoint32W(hDC, L"0", 1, &sz);
wprintf(L" Actual Size: (X: %d, Y: %d)\r\n", sz.cx, tm.tmHeight + tm.tmExternalLeading);
// restore original DC font
hfont.reset(SelectFont(hDC, hfont.release()));
return CONTINUE_ENUM;
}
/*
* hfont_
*/
void
hfont_(
char *fontfile,
int *len1,
int len2)
{
char buf[BUFSIZ];
strncpy(buf, fontfile, len2);
buf[*len1] = 0;
hfont(buf);
}
PassRefPtr<SharedBuffer> FontPlatformData::openTypeTable(uint32_t table) const
{
HWndDC hdc(0);
HGDIOBJ oldFont = SelectObject(hdc, hfont());
DWORD size = GetFontData(hdc, table, 0, 0, 0);
RefPtr<SharedBuffer> buffer;
if (size != GDI_ERROR) {
buffer = SharedBuffer::create(size);
DWORD result = GetFontData(hdc, table, 0, (PVOID)buffer->data(), size);
ASSERT(result == size);
}
SelectObject(hdc, oldFont);
return buffer.release();
}
String FontPlatformData::fontFamilyName() const
{
#if ENABLE(GDI_FONTS_ON_WINDOWS)
HWndDC dc(0);
HGDIOBJ oldFont = static_cast<HFONT>(SelectObject(dc, hfont()));
WCHAR name[LF_FACESIZE];
unsigned resultLength = GetTextFace(dc, LF_FACESIZE, name);
if (resultLength > 0)
resultLength--; // ignore the null terminator
SelectObject(dc, oldFont);
return String(name, resultLength);
#else
// FIXME: This returns the requested name, perhaps a better solution would be to
// return the list of names provided by SkTypeface::createFamilyNameIterator.
ASSERT(typeface());
SkString familyName;
typeface()->getFamilyName(&familyName);
return String::fromUTF8(familyName.c_str());
#endif
}
/*
* display all the hershey fonts and demonstrate textang
*/
main()
{
char buf[50];
char *str1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" ;
char *str2 = "abcdefghijklmnopqrstuvwxyz" ;
char *str3 = "1234567890+-=!@#$%^&*(){}[]" ;
char *str4 = "<>,./?~`\\|_BONK,blark" ;
int i;
short val;
vinit("mswin");
winopen("circtxt");
hleftjustify(1);
unqdevice(INPUTCHANGE);
qdevice(KEYBD);
/*
* Wait for REDRAW event ...
*/
while (qread(&val) != REDRAW)
;
color(BLACK);
clear();
ortho2(-14.0, 14.0, -14.0, 14.0); /* define the world space */
for(i = 0; i < 22; i++) {
/*
* textang is used to specify the orientation of text. As
* we want the title to come out straight we make sure it is
* zero each time we go through this loop.
*/
htextang(0.0);
/*
* do the title
*/
color(YELLOW);
hfont("futura.m");
sprintf(buf, "This is hershey font %s", fonts[i]);
hboxtext(-11.0, 12.0, 20.0, 1.0, buf);
/*
* draw a box around the title
*/
rect(-11.0, 12.0, 9.0, 13.0);
color(GREEN);
hfont(fonts[i]); /* grab a font from the table */
htextsize(1.5, 1.5); /* show the outer ring */
ShowCircularText(11.0, str1);
htextsize(1.3, 1.3); /* show the second ring */
ShowCircularText(8.5, str2);
htextsize(1.1, 1.1); /* show the third ring */
ShowCircularText(7.0, str3);
htextsize(0.9, 0.9); /* show the inside ring */
ShowCircularText(5.0, str4);
if (qread(&val)) {
if (val == 'q') {
gexit();
exit(0);
}
}
color(BLACK);
clear();
}
gexit();
}
/*
* a demonstration of objects
*/
draw_balls()
{
if (!inited) {
inited = 1;
/*
* set up our viewing transformation
*/
perspective(900, 1.0, 0.001, 500.0);
lookat(13.0, 13.0, 8.0, 0.0, 0.0, 0.0, 0);
/*
* Call a routine to make the sphere object
*/
makesphere();
hfont("times.rb");
}
/*
* Now draw the sphere object scaled down. We use the pushmatrix
* and the popmatrix to preserve the transformation matrix so
* that only this sphere is drawn scaled.
*/
color(CYAN);
pushmatrix();
scale(0.5, 0.5, 0.5);
callobj(SPHERE);
popmatrix();
/*
* now we draw the same sphere translated, with a different
* scale and color.
*/
color(WHITE);
pushmatrix();
translate(0.0, -1.4 * RADIUS, 1.4 * RADIUS);
scale(0.3, 0.3, 0.3);
callobj(SPHERE);
popmatrix();
/*
* and maybe a few more times....
*/
color(RED);
pushmatrix();
translate(0.0, RADIUS, 0.7 * RADIUS);
scale(0.2, 0.2, 0.2);
callobj(SPHERE);
popmatrix();
color(GREEN);
pushmatrix();
translate(0.0, 1.5 * RADIUS, -RADIUS);
scale(0.15, 0.15, 0.15);
callobj(SPHERE);
popmatrix();
color(YELLOW);
pushmatrix();
translate(0.0, -RADIUS, -RADIUS);
scale(0.12, 0.12, 0.12);
callobj(SPHERE);
popmatrix();
color(BLUE);
pushmatrix();
translate(0.0, -2.0*RADIUS, -RADIUS);
scale(0.3, 0.3, 0.3);
callobj(SPHERE);
popmatrix();
ortho2(0.0, 1.0, 0.0, 1.0);
hcentertext(1);
htextsize(0.08, 0.15);
move2(0.8, 0.5);
htextang(-90.0);
hcharstr("I'm very ordinary!");
perspective(900, 1.0, 0.001, 500.0);
lookat(13.0, 13.0, 8.0, 0.0, 0.0, 0.0, 0);
}
/*
* Using polygons, hatching, and filling.
*/
main()
{
short val;
winopen("poly");
unqdevice(INPUTCHANGE);
qdevice(KEYBD); /* enable keyboard */
/*
* Wait for REDRAW event ...
*/
while (qread(&val) != REDRAW)
;
color(BLACK); /* clear to black */
clear();
/*
* world coordinates are now in the range -10 to 10
* in x, y, and z. Note that positive z is towards us.
*/
ortho(-10.0, 10.0, -10.0, 10.0, 10.0, -10.0);
color(YELLOW);
/*
* write out the string "Polygon from poly()" in the
* starting at (-8.0, -4.0) and scaled to be 4.0 units long,
* 0.5 units high.
*/
hfont("futura.m");
hboxtext(-8.0, -4.0, 4.0, 0.5, "Polygon from poly()/ polf()");
color(GREEN);
/*
* write out a scaled string starting at (0.0, 6.0)
*/
hboxtext(0.0, 6.0, 4.5, 0.5, "Polygon from bgnpoly()/ endpoly()");
hboxtext(0.0, 5.0, 4.5, 0.5, " pmv()/ pdr()/ pclos()");
color(MAGENTA);
/*
* write out a scaled string starting at (0.0, 6.0)
*/
hboxtext(3.5, -3.5, 1.9, 0.5, "Arc/ Arcf");
/*
* draw some wire frame polygons
*/
drawpoly();
/*
* rotate so the next polygons will appear in a different place.
*/
rot(20.0, 'x');
rot(30.0, 'y');
/*
* draw some filled polygons.
*/
drawpolyf();
gexit();
}
