int main(int argc, char * argv[]) {
int i;
const void * error;
for (i = 0; i < numtests8; ++i)
{
int res = gr_count_unicode_characters(gr_utf8, tests8[i].str, tests8[i].str + sizeof(tests8[i].str), &error);
if (tests8[i].error >= 0)
{
if (!error)
{
fprintf(stderr, "%s: test 8:%d failed: expected error condition did not occur\n", argv[0], i + 1);
return (i+1);
}
else if (ptrdiff_t(error) - ptrdiff_t(tests8[i].str) != tests8[i].error)
{
fprintf(stderr, "%s: test 8:%d failed: error at codepoint %d expected at codepoint %d\n", argv[0], i + 1, int(ptrdiff_t(error) - ptrdiff_t(tests8[i].str)), tests8[i].error);
return (i+1);
}
}
else if (error)
{
fprintf(stderr, "%s: test 8:%d failed: unexpected error occured at codepoint %d\n", argv[0], i + 1, int(ptrdiff_t(error) - ptrdiff_t(tests8[i].str)));
return (i+1);
}
if (res != tests8[i].len)
{
fprintf(stderr, "%s: test 8:%d failed: character count failure %d != %d\n", argv[0], i + 1, res, tests8[i].len);
return (i+1);
}
}
for (i = 0; i < numtests16; ++i)
{
int res = gr_count_unicode_characters(gr_utf16, tests16[i].str, tests16[i].str + sizeof(tests16[i].str), &error);
if (tests16[i].error >= 0)
{
if (!error)
{
fprintf(stderr, "%s: test 16:%d failed: expected error condition did not occur\n", argv[0], i + 1);
return (i+1);
}
else if (ptrdiff_t(error) - ptrdiff_t(tests16[i].str) != tests16[i].error)
{
fprintf(stderr, "%s: test 16:%d failed: error at codepoint %d expected at codepoint %d\n", argv[0], i + 1, int(ptrdiff_t(error) - ptrdiff_t(tests16[i].str)), tests16[i].error);
return (i+1);
}
}
else if (error)
{
fprintf(stderr, "%s: test 16:%d failed: unexpected error occured at codepoint %d\n", argv[0], i + 1, int(ptrdiff_t(error) - ptrdiff_t(tests16[i].str)));
return (i+1);
}
if (res != tests16[i].len)
{
fprintf(stderr, "%s: test 16:%d failed: character count failure %d != %d\n", argv[0], i + 1, res, tests16[i].len);
return (i+1);
}
}
return 0;
}
jfloat GraphiteLayoutShaper::shapeScriptRun(const SkPaint* paint, const UChar* chars,
size_t count, bool isRTL, Vector<jfloat>* const outAdvances,
Vector<jchar>* const outGlyphs, Vector<jfloat>* const outPos,
jfloat startXPosition, uint32_t startScriptRun, size_t glyphBaseCount) {
ALOGD("Shape Scrit Run with Graphite");
SkTypeface *typeface = paint->getTypeface();
mShapingGrFace = getCachedGrFace(typeface);
unsigned int x_ppem;
unsigned int y_ppem;
int x_scale;
int y_scale;
getConversionFactor(x_ppem, y_ppem, x_scale, y_scale, paint);
mShapingGrFont = gr_make_font_with_ops(x_ppem, paint, &GraphiteFontOps, mShapingGrFace);
const uint16_t *charsScriptStart = chars ;
const uint16_t *charsScriptEnd = chars + count;
size_t numCP;
char *pError;
numCP = gr_count_unicode_characters(gr_utf16, charsScriptStart, charsScriptEnd, (const void **)(&pError));
#if DEBUG_GLYPHS
ALOGD("Myanmar shape with Graphite, numCP = %d, grFont = %p, grFace = %p, pError = %p",
numCP, mShapingGrFont, mShapingGrFace, pError);
#endif
if(!mShapingGrFont || !mShapingGrFace || pError) {
ALOGD("Invalid grFont is NULL, grFace is NULL or parse string error.");
return 0.0;
}
mShapingSegment = gr_make_seg(mShapingGrFont, mShapingGrFace, 0, 0,
gr_utf16, charsScriptStart, numCP, isRTL);
cluster_t *clusters = getCluster(mShapingSegment, numCP);
#if DEBUG_GLYPHS
ALOGD("Got from Graphite");
#endif
const gr_slot *slot;
size_t glyphIndex, clusterIndex = 0;
jfloat totalFontRunAdvance = 0;
for (slot = gr_seg_first_slot(mShapingSegment), glyphIndex = 0; slot;
slot = gr_slot_next_in_segment(slot), ++ glyphIndex) {
#if DEBUG_GLYPHS
ALOGD(" -- Glyph = %d, origin = (%f, %f), advance = (%f, %f)\n",
gr_slot_gid(slot), gr_slot_origin_X(slot),
gr_slot_origin_Y(slot),
gr_slot_advance_X(slot, mShapingGrFace, mShapingGrFont),
gr_slot_advance_Y(slot, mShapingGrFace, mShapingGrFont));
#endif
if(glyphIndex == clusters[clusterIndex].base_glyph + clusters[clusterIndex].num_glyphs) {
uint32_t clusterStart = clusters[clusterIndex].base_char + startScriptRun;
jfloat startOrigin = outAdvances->itemAt(clusterStart);
jfloat advance = gr_slot_origin_X(slot) - startOrigin;
outAdvances->replaceAt(advance, clusterStart);
++ clusterIndex;
clusterStart = clusters[clusterIndex].base_char + startScriptRun;
outAdvances->replaceAt(gr_slot_origin_X(slot), clusterStart);
}
jfloat charRight = gr_slot_origin_X(slot) + gr_slot_advance_X(slot, mShapingGrFace, mShapingGrFont);
if (charRight > totalFontRunAdvance) {
totalFontRunAdvance = charRight;
}
jchar glyph = glyphBaseCount + gr_slot_gid(slot);
outGlyphs->add(glyph);
outPos->add(startXPosition + gr_slot_origin_X(slot));
outPos->add(gr_slot_origin_Y(slot));
}
uint32_t clusterStart = clusters[clusterIndex].base_char + startScriptRun;
jfloat startOrigin = outAdvances->itemAt(clusterStart);
jfloat advance = totalFontRunAdvance - startOrigin;
outAdvances->replaceAt(advance, clusterStart);
if(mShapingSegment) {
gr_seg_destroy(mShapingSegment);
mShapingSegment = NULL;
}
if(mShapingGrFont) {
gr_font_destroy(mShapingGrFont);
mShapingGrFont = NULL;
}
#if DEBUG_GLYPHS
ALOGD(" -- totalFontRunAdvance = %f", totalFontRunAdvance);
#endif
return totalFontRunAdvance;
}
