本文整理汇总了C++中XeTeXFontInst类的典型用法代码示例。如果您正苦于以下问题：C++ XeTeXFontInst类的具体用法？C++ XeTeXFontInst怎么用？C++ XeTeXFontInst使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了XeTeXFontInst类的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: ot_part_full_advance
int
ot_part_full_advance(int f, const GlyphAssembly* a, int i)
{
int rval = 0;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
rval = D2Fix(font->unitsToPoints(SWAP(a->partRecords[i].fullAdvance)));
}
return rval;
}
开发者ID:texlive，项目名称:texlive-source，代码行数:12，代码来源:XeTeXOTMath.cpp
示例2: otpartfulladvance
int
otpartfulladvance(int f, const GlyphAssembly* a, int i)
{
int rval = 0;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
rval = X2Fix(SWAPW(a->partRecords[i].fullAdvance) * Fix2X(fontsize[f]) / font->getUnitsPerEM());
}
return rval;
}
开发者ID:luigiScarso，项目名称:mflua，代码行数:12，代码来源:XeTeXOTMath.cpp
示例3: get_ot_math_constant
int
get_ot_math_constant(int f, int n)
{
int rval = 0;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
rval = getMathConstant(font, (mathConstantIndex)n);
/* scale according to font size, except the ones that are percentages */
if (n > scriptScriptPercentScaleDown && n < radicalDegreeBottomRaisePercent)
rval = D2Fix(font->unitsToPoints(rval));
}
return rval;
}
开发者ID:texlive，项目名称:texlive-source，代码行数:14，代码来源:XeTeXOTMath.cpp
示例4: ot_min_connector_overlap
int
ot_min_connector_overlap(int f)
{
int rval = 0;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
const char* table = font->getMathTable();
if (table == NULL)
return rval;
uint16_t offset = SWAP(((const MathTableHeader*)table)->mathVariants);
if (offset == 0)
return rval;
const MathVariants* variants = (const MathVariants*)(table + offset);
rval = D2Fix(font->unitsToPoints(SWAP(variants->minConnectorOverlap)));
}
return rval;
}
开发者ID:texlive，项目名称:texlive-source，代码行数:22，代码来源:XeTeXOTMath.cpp
示例5: otminconnectoroverlap
int
otminconnectoroverlap(int f)
{
int rval = 0;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
const char* table = (const char*)font->getFontTable(kMATHTableTag);
if (table == NULL)
return rval;
le_uint16 offset = SWAPW(((const MathTableHeader*)table)->mathVariants);
if (offset == 0)
return rval;
const MathVariants* variants = (const MathVariants*)(table + offset);
rval = X2Fix(SWAPW(variants->minConnectorOverlap) * Fix2X(fontsize[f]) / font->getUnitsPerEM());
}
return rval;
}
开发者ID:luigiScarso，项目名称:mflua，代码行数:22，代码来源:XeTeXOTMath.cpp
示例6: getotmathvariant
int
getotmathvariant(int f, int g, int v, integer* adv, int horiz)
{
int rval = g;
*adv = -1;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
const char* table = (const char*)font->getFontTable(kMATHTableTag);
if (table == NULL)
return rval;
le_uint16 offset = SWAPW(((const MathTableHeader*)table)->mathVariants);
if (offset == 0)
return rval;
const MathVariants* variants = (const MathVariants*)(table + offset);
offset = horiz ? SWAPW(variants->horizGlyphCoverage) : SWAPW(variants->vertGlyphCoverage);
if (offset == 0)
return rval;
const CoverageTable* coverage = (const CoverageTable*)(((const char*)variants) + offset);
le_int32 index = coverage->getGlyphCoverage(g);
if (index >= 0) {
if (horiz)
index += SWAPW(variants->vertGlyphCount);
const MathGlyphConstruction* construction = (const MathGlyphConstruction*)(((const char*)variants)
+ SWAPW(variants->vertGlyphConstruction[index]));
if (v < SWAPW(construction->variantCount)) {
rval = SWAPW(construction->mathGlyphVariantRecord[v].variantGlyph);
*adv = X2Fix(SWAPW(construction->mathGlyphVariantRecord[v].advanceMeasurement)
* Fix2X(fontsize[f]) / font->getUnitsPerEM());
}
}
}
return rval;
}
开发者ID:luigiScarso，项目名称:mflua，代码行数:39，代码来源:XeTeXOTMath.cpp
示例7: get_ot_math_variant
int
get_ot_math_variant(int f, int g, int v, integer* adv, int horiz)
{
int rval = g;
*adv = -1;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
const char* table = font->getMathTable();
if (table == NULL)
return rval;
uint16_t offset = SWAP(((const MathTableHeader*)table)->mathVariants);
if (offset == 0)
return rval;
const MathVariants* variants = (const MathVariants*)(table + offset);
offset = horiz ? SWAP(variants->horizGlyphCoverage) : SWAP(variants->vertGlyphCoverage);
if (offset == 0)
return rval;
const Coverage* coverage = (const Coverage*)(((const char*)variants) + offset);
int32_t index = getCoverage(coverage, g);
if (index >= 0) {
if (horiz)
index += SWAP(variants->vertGlyphCount);
const MathGlyphConstruction* construction = (const MathGlyphConstruction*)(((const char*)variants)
+ SWAP(variants->vertGlyphConstruction[index]));
if (v < SWAP(construction->variantCount)) {
rval = SWAP(construction->mathGlyphVariantRecord[v].variantGlyph);
*adv = D2Fix(font->unitsToPoints(SWAP(construction->mathGlyphVariantRecord[v].advanceMeasurement)));
}
}
}
return rval;
}
开发者ID:texlive，项目名称:texlive-source，代码行数:38，代码来源:XeTeXOTMath.cpp
示例8: get_ot_math_accent_pos
int
get_ot_math_accent_pos(int f, int g)
{
int rval = 0x7fffffffUL;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
const char* table = font->getMathTable();
if (table == NULL)
return rval;
uint16_t offset = SWAP(((const MathTableHeader*)table)->mathGlyphInfo);
if (offset == 0)
return rval;
const MathGlyphInfo* glyphInfo = (const MathGlyphInfo*)(table + offset);
offset = SWAP(glyphInfo->mathTopAccentAttachment);
if (offset == 0)
return rval;
const MathTopAccentAttachment* accentAttachment = (const MathTopAccentAttachment*)(((const char*)glyphInfo) + offset);
offset = SWAP(accentAttachment->coverage);
if (offset == 0)
return rval;
const Coverage* coverage = (const Coverage*)(((const char*)accentAttachment) + offset);
int32_t index = getCoverage(coverage, g);
if (index >= 0 && index < SWAP(accentAttachment->topAccentAttachmentCount)) {
rval = (int16_t)SWAP(accentAttachment->topAccentAttachment[index].value);
rval = D2Fix(font->unitsToPoints(rval));
}
}
return rval;
}
开发者ID:texlive，项目名称:texlive-source，代码行数:36，代码来源:XeTeXOTMath.cpp
示例9: get_ot_assembly_ptr
void*
get_ot_assembly_ptr(int f, int g, int horiz)
{
void* rval = NULL;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
const char* table = font->getMathTable();
if (table == NULL)
return rval;
uint16_t offset = SWAP(((const MathTableHeader*)table)->mathVariants);
if (offset == 0)
return rval;
const MathVariants* variants = (const MathVariants*)(table + offset);
offset = horiz ? SWAP(variants->horizGlyphCoverage) : SWAP(variants->vertGlyphCoverage);
if (offset == 0)
return rval;
const Coverage* coverage = (const Coverage*)(((const char*)variants) + offset);
int32_t index = getCoverage(coverage, g);
if (index >= 0) {
if (horiz)
index += SWAP(variants->vertGlyphCount);
const MathGlyphConstruction* construction = (const MathGlyphConstruction*)(((const char*)variants)
+ SWAP(variants->vertGlyphConstruction[index]));
offset = SWAP(construction->glyphAssembly);
if (offset != 0)
rval = (void*)(((const char*)construction) + offset);
}
}
return rval;
}
开发者ID:texlive，项目名称:texlive-source，代码行数:36，代码来源:XeTeXOTMath.cpp
示例10: getotmathaccentpos
int
getotmathaccentpos(int f, int g)
{
int rval = 0x7fffffffUL;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
const char* table = (const char*)font->getFontTable(kMATHTableTag);
if (table == NULL)
return rval;
le_uint16 offset = SWAPW(((const MathTableHeader*)table)->mathGlyphInfo);
if (offset == 0)
return rval;
const MathGlyphInfo* glyphInfo = (const MathGlyphInfo*)(table + offset);
offset = SWAPW(glyphInfo->mathTopAccentAttachment);
if (offset == 0)
return rval;
const MathTopAccentAttachment* accentAttachment = (const MathTopAccentAttachment*)(((const char*)glyphInfo) + offset);
offset = SWAPW(accentAttachment->coverage);
if (offset == 0)
return rval;
const CoverageTable* coverage = (const CoverageTable*)(((const char*)accentAttachment) + offset);
le_int32 index = coverage->getGlyphCoverage(g);
if (index >= 0 && index < SWAPW(accentAttachment->topAccentAttachmentCount)) {
rval = (le_int16)SWAPW(accentAttachment->topAccentAttachment[index].value);
rval = X2Fix(rval * Fix2X(fontsize[f]) / font->getUnitsPerEM());
}
}
return rval;
}
开发者ID:luigiScarso，项目名称:mflua，代码行数:36，代码来源:XeTeXOTMath.cpp
示例11: get_ot_math_kern
int
get_ot_math_kern(int f, int g, int sf, int sg, int cmd, int shift)
{
int rval = 0;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
int kern = 0, skern = 0;
float corr_height_top = 0.0, corr_height_bot = 0.0;
shift = Fix2D(shift);
if (cmd == sup_cmd) { // superscript
corr_height_top = font->pointsToUnits(glyph_height(f, g));
corr_height_bot = -font->pointsToUnits(glyph_depth(sf, sg) + shift);
kern = getMathKernAt(f, g, topRight, corr_height_top);
skern = getMathKernAt(sf, sg, bottomLeft, corr_height_top);
rval = kern + skern;
kern = getMathKernAt(f, g, topRight, corr_height_bot);
skern = getMathKernAt(sf, sg, bottomLeft, corr_height_bot);
if ((kern + skern) < rval)
rval = kern + skern;
} else if (cmd == sub_cmd) { // subscript
corr_height_top = font->pointsToUnits(glyph_height(sf, sg) - shift);
corr_height_bot = -font->pointsToUnits(glyph_depth(f, g));
kern = getMathKernAt(f, g, bottomRight, corr_height_top);
skern = getMathKernAt(sf, sg, topLeft, corr_height_top);
rval = kern + skern;
kern = getMathKernAt(f, g, bottomRight, corr_height_bot);
skern = getMathKernAt(sf, sg, topLeft, corr_height_bot);
if ((kern + skern) < rval)
rval = kern + skern;
} else {
assert(0); // we should not reach here
}
rval = D2Fix(font->unitsToPoints(rval));
}
return rval;
}
开发者ID:texlive，项目名称:texlive-source，代码行数:47，代码来源:XeTeXOTMath.cpp
示例12: getMathKernAt
static int
getMathKernAt(int f, int g, MathKernSide side, int height)
{
int rval = 0;
if (fontarea[f] == OTGR_FONT_FLAG) {
XeTeXFontInst* font = (XeTeXFontInst*)getFont((XeTeXLayoutEngine)fontlayoutengine[f]);
const char* table = font->getMathTable();
if (table == NULL)
return rval;
uint16_t offset = SWAP(((const MathTableHeader*)table)->mathGlyphInfo);
if (offset == 0)
return rval;
const MathGlyphInfo* glyphInfo = (const MathGlyphInfo*)(table + offset);
offset = SWAP(glyphInfo->mathKernInfo);
if (offset == 0)
return rval;
const MathKernInfo* mathKernInfo = (const MathKernInfo*)(((const char*)glyphInfo) + offset);
offset = SWAP(mathKernInfo->coverage);
if (offset == 0)
return rval;
const Coverage* coverage = (const Coverage*)(((const char*)mathKernInfo) + offset);
int32_t index = getCoverage(coverage, g);
if (index >= 0 && index < SWAP(mathKernInfo->kernInfoCount)) {
if (side == topRight)
offset = SWAP(mathKernInfo->kernInfo[index].topRight);
else if (side == bottomRight)
offset = SWAP(mathKernInfo->kernInfo[index].bottomRight);
else if (side == topLeft)
offset = SWAP(mathKernInfo->kernInfo[index].topLeft);
else if (side == bottomLeft)
offset = SWAP(mathKernInfo->kernInfo[index].bottomLeft);
else
assert(0); // we should not reach here
if (offset == 0)
return rval;
const MathKernTable* kernTable = (const MathKernTable*)(((const char*)mathKernInfo) + offset);
uint16_t count = SWAP(kernTable->heightCount);
// XXX: the following makes no sense WRT my understanding of the
// spec! it is just how things worked for me.
if (count == 0)
rval = SWAP(kernTable->kern[-1].value);
else if (height < SWAP(kernTable->height[0].value))
rval = SWAP(kernTable->kern[1].value);
else if (height > SWAP(kernTable->height[count].value))
rval = SWAP(kernTable->kern[count+1].value);
else {
for (int i = 0; i < count; i++) {
if (height > SWAP(kernTable->height[i].value)) {
rval = SWAP(kernTable->kern[i+1].value);
break;
}
}
}
//fprintf(stderr, " kern: %f %f\n", font->unitsToPoints(height), font->unitsToPoints(rval));
}
}
return rval;
}
开发者ID:texlive，项目名称:texlive-source，代码行数:72，代码来源:XeTeXOTMath.cpp
注：本文中的XeTeXFontInst类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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