void drawWrappedText(RenderingContext* rc, SkCanvas* cv, TextDrawInfo* text, float textSize, SkPaint& paintText) {
if(text->textWrap == 0) {
// set maximum for all text
text->textWrap = 40;
}
if(text->text.length() > text->textWrap) {
int start = 0;
int end = text->text.length();
int lastSpace = -1;
int line = 0;
int pos = 0;
int limit = 0;
while(pos < end) {
lastSpace = -1;
limit += text->textWrap;
// in UTF-8 all non ASCII characters has 2 or more characters
int symbolsRead = 0;
int utf8pos = pos;
while(symbolsRead < limit && pos < end) {
if(utf8pos == pos) {
if(text->text.at(pos) <= 128) {
symbolsRead++;
if(!isLetterOrDigit(text->text.at(pos))) {
lastSpace = pos;
}
utf8pos ++;
}
} else {
// here could be code to determine if UTF-8 is ended (currently only 2 chars)
symbolsRead++;
utf8pos = pos + 1;
}
pos++;
}
if(lastSpace == -1) {
PROFILE_NATIVE_OPERATION(rc, drawTextOnCanvas(cv, text->text.substr(start, pos), text->centerX, text->centerY + line * (textSize + 2), paintText, text->textShadow));
start = pos;
} else {
PROFILE_NATIVE_OPERATION(rc, drawTextOnCanvas(cv, text->text.substr(start, lastSpace), text->centerX, text->centerY + line * (textSize + 2), paintText, text->textShadow));
start = lastSpace + 1;
limit += (start - pos) - 1;
}
line++;
}
} else {
PROFILE_NATIVE_OPERATION(rc, drawTextOnCanvas(cv, text->text, text->centerX, text->centerY, paintText, text->textShadow));
}
}
void drawWrappedText(RenderingContext* rc, SkCanvas* cv, TextDrawInfo* text, float textSize, SkPaint& paintText) {
if(text->textWrap == 0) {
// set maximum for all text
text->textWrap = 40;
}
if(text->text.length() > text->textWrap) {
const char* c_str = text->text.c_str();
int end = text->text.length();
int line = 0;
int pos = 0;
int start = 0;
while(start < end) {
const char* p_str = c_str;
int lastSpace = -1;
int prevPos = -1;
int charRead = 0;
do {
int lastSpace = nextWord((uint8_t*)p_str, &charRead);
if (lastSpace == -1) {
pos = end;
} else {
p_str += lastSpace;
if(pos != start && charRead >= text->textWrap){
break;
}
pos += lastSpace;
}
} while(pos < end && charRead < text->textWrap);
PROFILE_NATIVE_OPERATION(rc, drawTextOnCanvas(cv, c_str, pos - start , text->centerX, text->centerY + line * (textSize + 2), paintText, text->textShadow));
c_str += (pos - start);
start = pos;
line++;
}
} else {
PROFILE_NATIVE_OPERATION(rc, drawTextOnCanvas(cv, text->text.data(), text->text.length(), text->centerX, text->centerY, paintText, text->textShadow));
}
}
void drawTextOverCanvas(RenderingContext* rc, SkCanvas* cv) {
SkRect r = SkRect::MakeLTRB(0, 0, rc->getWidth(), rc->getHeight());
r.inset(-100, -100);
quad_tree<TextDrawInfo*> boundsIntersect(r, 4, 0.6);
SkPaint paintIcon;
paintIcon.setStyle(SkPaint::kStroke_Style);
paintIcon.setStrokeWidth(1);
paintIcon.setColor(0xff000000);
paintIcon.setFilterBitmap(true);
SkPaint paintText;
paintText.setStyle(SkPaint::kFill_Style);
paintText.setStrokeWidth(1);
paintText.setColor(0xff000000);
paintText.setTextAlign(SkPaint::kCenter_Align);
if(!sTypeface)
sTypeface = SkTypeface::CreateFromName("Droid Serif", SkTypeface::kNormal);
paintText.setTypeface(sTypeface);
paintText.setAntiAlias(true);
SkPaint::FontMetrics fm;
// 1. Sort text using text order
std::sort(rc->textToDraw.begin(), rc->textToDraw.end(), textOrder);
for (uint32_t i = 0; i < rc->textToDraw.size(); i++) {
TextDrawInfo* text = rc->textToDraw.at(i);
if (text->text.length() > 0) {
// sest text size before finding intersection (it is used there)
float textSize = rc->getDensityValue(text->textSize);
paintText.setTextSize(textSize);
paintText.setFakeBoldText(text->bold);
paintText.setColor(text->textColor);
// align center y
paintText.getFontMetrics(&fm);
text->centerY += (-fm.fAscent);
// calculate if there is intersection
bool intersects = findTextIntersection(cv, rc, boundsIntersect, text, &paintText, &paintIcon);
if (!intersects) {
if(rc->interrupted()){
return;
}
if (text->drawOnPath && text->path != NULL) {
if (text->textShadow > 0) {
paintText.setColor(0xFFFFFFFF);
paintText.setStyle(SkPaint::kStroke_Style);
paintText.setStrokeWidth(2 + text->textShadow);
rc->nativeOperations.Pause();
cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset,
text->vOffset, paintText);
rc->nativeOperations.Start();
// reset
paintText.setStyle(SkPaint::kFill_Style);
paintText.setStrokeWidth(2);
paintText.setColor(text->textColor);
}
rc->nativeOperations.Pause();
cv->drawTextOnPathHV(text->text.c_str(), text->text.length(), *text->path, text->hOffset,
text->vOffset, paintText);
rc->nativeOperations.Start();
} else {
if (text->shieldRes.length() > 0) {
SkBitmap* ico = getCachedBitmap(rc, text->shieldRes);
if (ico != NULL) {
float left = text->centerX - rc->getDensityValue(ico->width() / 2) - 0.5f;
float top = text->centerY - rc->getDensityValue(ico->height() / 2)
- rc->getDensityValue(4.5f);
SkRect r = SkRect::MakeXYWH(left, top, rc->getDensityValue(ico->width()),
rc->getDensityValue(ico->height()));
PROFILE_NATIVE_OPERATION(rc, cv->drawBitmapRect(*ico, (SkIRect*) NULL, r, &paintIcon));
}
}
drawWrappedText(rc, cv, text, textSize, paintText);
}
}
}
}
}