00001
00007 #ifndef __NPWText__
00008 #define __NPWText__
00009
00010 #ifdef __cplusplus
00011 extern "C" {
00012 #endif
00013
00014 #include "NPWBase.h"
00015 #include "NPWGraphics.h"
00016
00018 typedef struct
00019 {
00020 NPWFloat size;
00021 void const *metrics;
00022 } NPWFont;
00023
00025 typedef enum
00026 {
00027 kNPWCharVertAlignmentNormal = 0,
00028 kNPWCharVertAlignmentSubscript,
00029 kNPWCharVertAlignmentSuperscript
00030 } NPWCharVertAlignment;
00031
00033 typedef struct
00034 {
00035 NPWByte r;
00036 NPWByte g;
00037 NPWByte b;
00038 } NPWRGBColor;
00039
00041 typedef struct
00042 {
00043 NPWConstText fontBaseName;
00044 NPWFloat size;
00045 NPWBoolean isBold;
00046 NPWBoolean isItalic;
00047 NPWBoolean isUnderlined;
00048 NPWBoolean isHidden;
00049 NPWCharVertAlignment verticalAlignment;
00050 NPWRGBColor color;
00051 } NPWCharStyle;
00052
00054 typedef enum
00055 {
00056 kNPWAlignmentLeft = 0,
00057 kNPWAlignmentCenter,
00058 kNPWAlignmentRight,
00059 kNPWAlignmentJustify,
00060 } NPWAlignment;
00061
00063 typedef struct
00064 {
00065 NPWAlignment alignment;
00066 NPWFloat indent0;
00067 NPWFloat indent;
00068 NPWInt lineSpacing;
00069 NPWInt parSpacing;
00070 } NPWParFormat;
00071
00073 typedef enum
00074 {
00075 kNPWMarkupActionFlagNop = 0,
00076 kNPWMarkupActionFlagNotRecognized = 1,
00077 kNPWMarkupActionFlagEndOfPar = 2,
00078 kNPWMarkupActionFlagNewStyle = 4,
00079 kNPWMarkupActionFlagNewParFormat = 8,
00080 kNPWMarkupActionFlagSuspend = 16
00081 } NPWMarkupActionFlag;
00082
00093 typedef NPWMarkupActionFlag (*NPWMarkupCB)(void *userData,
00094 NPWConstText t, NPWInt len,
00095 NPWInt *count,
00096 NPWCharStyle *style,
00097 NPWParFormat *parFormat);
00098
00100 typedef struct
00101 {
00102 NPWMarkupCB f;
00103 void *userData;
00104 } NPWMarkupCBEntry;
00105
00107 typedef struct
00108 {
00109 NPWMarkupCBEntry const *markupCBTable;
00110 NPWCharStyle style;
00111 NPWParFormat parFormat;
00112 NPWFloat x;
00113 NPWFloat y;
00114 NPWFloat const *lineMaxWidths;
00115 NPWInt lineMWLen;
00116 NPWFloat bottom;
00117 NPWConstText str;
00118 NPWInt len;
00119 NPWInt i;
00120 NPWBoolean newParagraph;
00121 } NPWTextLayoutState;
00122
00129 NPWErr NPWTextFont(NPWFont *font, NPWConstText name, NPWFloat size);
00130
00138 void NPWTextSize(NPWFont const *font,
00139 NPWConstText str, NPWInt len,
00140 NPWFloat *width, NPWFloat *height);
00141
00147 NPWConstText NPWFindFont(NPWCharStyle const *charStyle, NPWFont *font);
00148
00155 void NPWFontMetrics(NPWFont const *font,
00156 NPWFloat *ascender,
00157 NPWFloat *descender,
00158 NPWFloat *xHeight);
00159
00176 NPWBoolean NPWBreakNextLine(NPWConstText str, NPWInt len, NPWInt start,
00177 NPWFloat lineMaxWidth,
00178 NPWMarkupCBEntry const markupCBTable[],
00179 NPWInt *lineBr, NPWFloat *lineWidth, NPWInt *nSpaces,
00180 NPWBoolean *suspended,
00181 NPWCharStyle *style,
00182 NPWParFormat *parFormat);
00183
00188 void NPWTextLayoutInit(NPWTextLayoutState *state,
00189 NPWMarkupCBEntry const markupCBTable[]);
00190
00195 void NPWLayoutSetDefaultCharStyle(NPWTextLayoutState *state,
00196 NPWCharStyle const *style);
00197
00202 void NPWLayoutSetDefaultParagraphStyle(NPWTextLayoutState *state,
00203 NPWParFormat const *parFormat);
00204
00210 void NPWTextLayoutSetPosition(NPWTextLayoutState *state,
00211 NPWFloat x, NPWFloat y);
00212
00218 void NPWTextLayoutSetLineWidths(NPWTextLayoutState *state,
00219 NPWFloat const lmw[], NPWInt n);
00220
00225 void NPWTextLayoutSetBottom(NPWTextLayoutState *state,
00226 NPWFloat bottom);
00227
00233 void NPWTextLayoutSetText(NPWTextLayoutState *state,
00234 NPWConstText str, NPWInt len);
00235
00242 NPWErr NPWTextLayoutWrite(NPW *pdf,
00243 NPWTextLayoutState *state);
00244
00254 NPWErr NPWTextLayoutVerticalSkip(NPWTextLayoutState *state,
00255 NPWFloat v, NPWFloat *ylow);
00256
00268 NPWErr NPWTextWrite(NPW *pdf,
00269 NPWConstText str, NPWInt len,
00270 NPWFloat x, NPWFloat y,
00271 NPWCharStyle const *style, NPWAlignment alignment);
00272
00273 #ifdef __cplusplus
00274 }
00275 #endif
00276
00277 #endif