// Text renders a string of text at a specified location, size, using the specified font glyphs
// derived from http://web.archive.org/web/20070808195131/http://developer.hybrid.fi/font2openvg/renderFont.cpp.txt
void Text(VGfloat x, VGfloat y, const char *s, Fontinfo f, int pointsize) {
VGfloat size = (VGfloat) pointsize, xx = x, mm[9];
vgGetMatrix(mm);
int character;
unsigned char *ss = (unsigned char *)s;
while ((ss = next_utf8_char(ss, &character)) != NULL) {
int glyph = f.CharacterMap[character];
if (character >= MAXFONTPATH-1) {
continue;
}
if (glyph == -1) {
continue; //glyph is undefined
}
VGfloat mat[9] = {
size, 0.0f, 0.0f,
0.0f, size, 0.0f,
xx, y, 1.0f
};
vgLoadMatrix(mm);
vgMultMatrix(mat);
vgDrawPath(f.Glyphs[glyph], VG_FILL_PATH);
xx += size * f.GlyphAdvances[glyph] / 65536.0f;
}
vgLoadMatrix(mm);
}
// Text renders a string of text at a specified location, size, using the specified font glyphs
// derived from http://web.archive.org/web/20070808195131/http://developer.hybrid.fi/font2openvg/renderFont.cpp.txt
void Text(VGfloat x, VGfloat y, char *s, Fontinfo f, int pointsize) {
VGfloat size = (VGfloat) pointsize, xx = x, mm[9];
int i;
vgGetMatrix(mm);
for (i = 0; i < (int)strlen(s); i++) {
unsigned int character = (unsigned int)s[i];
int glyph = f.CharacterMap[character];
if (glyph == -1) {
continue; //glyph is undefined
}
VGfloat mat[9] = {
size, 0.0f, 0.0f,
0.0f, size, 0.0f,
xx, y, 1.0f
};
vgLoadMatrix(mm);
vgMultMatrix(mat);
vgDrawPath(f.Glyphs[glyph], VG_FILL_PATH);
xx += size * f.GlyphAdvances[glyph] / 65536.0f;
}
vgLoadMatrix(mm);
}
void TextWrap(VGfloat x, VGfloat y, char *s, int width, int height, float lineSpacing, Fontinfo f, int pointsize) {
VGfloat size = (VGfloat) pointsize, xx = x, yy = y, mm[9];
int i = 0;
//float lineSpacing = 0.2;
vgGetMatrix(mm);
while(i < (int)strlen(s)) {
//for (i = 0; i < (int)strlen(s); i++) {
if(s[i] == '\n') {
// next line
xx = x;
yy -= size + lineSpacing * size; // + padding
i++;
if(yy < y - height) // not enough space
break;
}
else {
// read word until you hit a space or an \n
int wordLength = 0;
VGfloat wordSize = 0;
if(s[i] == ' ') {
wordLength = 1;
wordSize = GetWidthOfChar(s[i], f, pointsize);
}
else {
while(i + wordLength < strlen(s) && (s[i+wordLength] != ' ' && s[i+wordLength] != '\n')) {
wordLength++;
wordSize += GetWidthOfChar(s[i+wordLength], f, pointsize);
}
}
//printf("Word length %d\n", wordLength);
//printf("Word: '");
if(xx + wordSize >= x + width) {
// next line
xx = x;
yy -= size + lineSpacing * size; // + padding
if(yy < y - height) // not enough space
break;
}
int j;
for(j = i; j < i + wordLength; j++) {
//printf("%c", s[j]);
unsigned int character = (unsigned int)s[j];
int glyph = f.CharacterMap[character];
if (glyph == -1) {
continue; //glyph is undefined
}
VGfloat charSize = GetWidthOfChar(s[j], f, pointsize);
if(xx >= x + width + charSize) // letter wrapping
{
xx = x;
yy -= size + lineSpacing * size;
if(yy < y - height) // not enough space
break;
}
VGfloat mat[9] = {
size, 0.0f, 0.0f,
0.0f, size, 0.0f,
xx, yy, 1.0f
};
vgLoadMatrix(mm);
vgMultMatrix(mat);
vgDrawPath(f.Glyphs[glyph], VG_FILL_PATH);
xx += charSize;
}
//printf("'\n");
i += wordLength;
}
}
vgLoadMatrix(mm);
}
TInt CNVGCSIcon::DoDrawL(const TSize aSize)
{
TInt ret = KErrNone;
vgSetPaint(iFillPaint, VG_FILL_PATH);
vgSetPaint(iStrokePaint, VG_STROKE_PATH);
iLastFillPaintColor = 0;
iLastStrkePaintColor = 0;
iLastFillPaintType = 0;
iLastStrokePaintType = 0;
VGfloat lCurrentPathMatrix[9];
vgGetMatrix(lCurrentPathMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadMatrix(lCurrentPathMatrix);
SetRotation();
#ifdef __MIRROR_
vgScale(1.0f, -1.0f);
vgTranslate(0, (VGfloat)(-aSize.iHeight) );
#endif
SetViewBoxToViewTransformationL(aSize);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
VGfloat currentMatrix[9];
vgGetMatrix(currentMatrix);
iNVGIconData->BeginRead();
while (!iNVGIconData->EOF())
{
switch (iNVGIconData->ReadInt32L())
{
case EPath:
{
VGPath path = (VGPath)iNVGIconData->ReadInt32L();
VGPaintMode paintMode = (VGPaintMode)iNVGIconData->ReadInt32L();
if (path == VG_INVALID_HANDLE)
{
vgDrawPath(iPath, paintMode);
}
else
{
vgDrawPath(path, paintMode);
}
break;
}
case EPathData:
{
if (iPath != VG_INVALID_HANDLE)
{
VGint numSegments;
VGubyte * pathSegments = 0;
VGubyte * pathData = 0;
numSegments = iNVGIconData->ReadInt32L();
pathSegments = new (ELeave) VGubyte[numSegments];
CleanupStack::PushL(TCleanupItem(CleanupArray, pathSegments));
if (pathSegments)
{
iNVGIconData->ReadL(pathSegments, numSegments);
VGint coordinateCount = iNVGIconData->ReadInt32L();
pathData = new (ELeave) VGubyte[coordinateCount * 4];
if (pathData)
{
CleanupStack::PushL(TCleanupItem(CleanupArray, pathData));
iNVGIconData->ReadL(pathData, coordinateCount * 4);
vgClearPath(iPath, VG_PATH_CAPABILITY_APPEND_TO);
vgAppendPathData(iPath, numSegments, pathSegments, pathData);
CleanupStack::PopAndDestroy();
}
}
CleanupStack::PopAndDestroy();
}
break;
}
case EPaint:
{
DrawPaintL(iFillPaint, VG_MATRIX_FILL_PAINT_TO_USER, iLastFillPaintType, iLastFillPaintColor, VG_FILL_PATH);
break;
}
case EColorRamp:
{
iNVGIconData->ReadInt32L();
break;
}
case ETransform:
{
TInt flag;
VGfloat transformMatrix[9];
TPtr8 tmPtr((TUint8 *)transformMatrix, 9 * sizeof(VGfloat));
iNVGIconData->ReadL(tmPtr, 9 * sizeof(VGfloat));
flag = iNVGIconData->ReadInt32L();
vgLoadMatrix(currentMatrix);
if (flag)
{
vgMultMatrix(transformMatrix);
}
}
break;
case EStrokeWidth:
{
VGfloat strokeWidth = iNVGIconData->ReadReal32L();
vgSetf(VG_STROKE_LINE_WIDTH, strokeWidth);
break;
}
case EStrokeMiterLimit:
{
VGfloat miterLimit = iNVGIconData->ReadReal32L();
vgSetf(VG_STROKE_MITER_LIMIT, miterLimit);
break;
}
case EStrokeLineJoinCap:
{
VGint lineJoin = iNVGIconData->ReadInt32L();
VGint cap = iNVGIconData->ReadInt32L();
vgSeti(VG_STROKE_JOIN_STYLE, (VGJoinStyle)lineJoin);
vgSeti(VG_STROKE_CAP_STYLE, (VGCapStyle)cap);
break;
}
case EStrokePaint:
{
DrawPaintL(iStrokePaint, VG_MATRIX_STROKE_PAINT_TO_USER, iLastStrokePaintType, iLastStrkePaintColor, VG_STROKE_PATH);
break;
}
case EStrokeColorRamp:
{
iNVGIconData->ReadInt32L();
break;
}
default:
{
User::Leave(KErrCorrupt);
break;
}
}
}
iNVGIconData->EndRead();
return ret;
}
