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-rw-r--r--gtk/PlatGTK.cxx106
1 files changed, 47 insertions, 59 deletions
diff --git a/gtk/PlatGTK.cxx b/gtk/PlatGTK.cxx
index d244b2525..8e225d0a5 100644
--- a/gtk/PlatGTK.cxx
+++ b/gtk/PlatGTK.cxx
@@ -9,6 +9,7 @@
#include <stddef.h>
#include <math.h>
+#include <string>
#include <vector>
#include <map>
@@ -838,8 +839,8 @@ void SurfaceImpl::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
}
}
-char *UTF8FromLatin1(const char *s, int &len) {
- char *utfForm = new char[len*2+1];
+std::string UTF8FromLatin1(const char *s, int len) {
+ std::string utfForm(len*2 + 1, '\0');
size_t lenU = 0;
for (int i=0;i<len;i++) {
unsigned int uch = static_cast<unsigned char>(s[i]);
@@ -850,27 +851,26 @@ char *UTF8FromLatin1(const char *s, int &len) {
utfForm[lenU++] = static_cast<char>(0x80 | (uch & 0x3f));
}
}
- utfForm[lenU] = '\0';
- len = lenU;
+ utfForm.resize(lenU);
return utfForm;
}
-static char *UTF8FromIconv(const Converter &conv, const char *s, int &len) {
+static std::string UTF8FromIconv(const Converter &conv, const char *s, int len) {
if (conv) {
- char *utfForm = new char[len*3+1];
+ std::string utfForm(len*3+1, '\0');
char *pin = const_cast<char *>(s);
size_t inLeft = len;
- char *pout = utfForm;
+ char *putf = &utfForm[0];
+ char *pout = putf;
size_t outLeft = len*3+1;
size_t conversions = conv.Convert(&pin, &inLeft, &pout, &outLeft);
if (conversions != ((size_t)(-1))) {
*pout = '\0';
- len = pout - utfForm;
+ utfForm.resize(pout - putf);
return utfForm;
}
- delete []utfForm;
}
- return 0;
+ return std::string();
}
// Work out how many bytes are in a character by trying to convert using iconv,
@@ -908,18 +908,16 @@ void SurfaceImpl::DrawTextBase(PRectangle rc, Font &font_, XYPOSITION ybase, con
if (context) {
XYPOSITION xText = rc.left;
if (PFont(font_)->pfd) {
- char *utfForm = 0;
+ std::string utfForm;
if (et == UTF8) {
pango_layout_set_text(layout, s, len);
} else {
- if (!utfForm) {
- SetConverter(PFont(font_)->characterSet);
- utfForm = UTF8FromIconv(conv, s, len);
- }
- if (!utfForm) { // iconv failed so treat as Latin1
+ SetConverter(PFont(font_)->characterSet);
+ utfForm = UTF8FromIconv(conv, s, len);
+ if (utfForm.empty()) { // iconv failed so treat as Latin1
utfForm = UTF8FromLatin1(s, len);
}
- pango_layout_set_text(layout, utfForm, len);
+ pango_layout_set_text(layout, utfForm.c_str(), utfForm.length());
}
pango_layout_set_font_description(layout, PFont(font_)->pfd);
pango_cairo_update_layout(context, layout);
@@ -930,7 +928,6 @@ void SurfaceImpl::DrawTextBase(PRectangle rc, Font &font_, XYPOSITION ybase, con
#endif
cairo_move_to(context, xText, ybase);
pango_cairo_show_layout_line(context, pll);
- delete []utfForm;
}
}
}
@@ -1027,20 +1024,20 @@ void SurfaceImpl::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION
int positionsCalculated = 0;
if (et == dbcs) {
SetConverter(PFont(font_)->characterSet);
- char *utfForm = UTF8FromIconv(conv, s, len);
- if (utfForm) {
+ std::string utfForm = UTF8FromIconv(conv, s, len);
+ if (!utfForm.empty()) {
// Convert to UTF-8 so can ask Pango for widths, then
// Loop through UTF-8 and DBCS forms, taking account of different
// character byte lengths.
Converter convMeasure("UCS-2", CharacterSetID(characterSet), false);
- pango_layout_set_text(layout, utfForm, strlen(utfForm));
+ pango_layout_set_text(layout, utfForm.c_str(), strlen(utfForm.c_str()));
int i = 0;
int clusterStart = 0;
- ClusterIterator iti(layout, strlen(utfForm));
+ ClusterIterator iti(layout, strlen(utfForm.c_str()));
while (!iti.finished) {
iti.Next();
int clusterEnd = iti.curIndex;
- int places = g_utf8_strlen(utfForm + clusterStart, clusterEnd - clusterStart);
+ int places = g_utf8_strlen(utfForm.c_str() + clusterStart, clusterEnd - clusterStart);
int place = 1;
while (clusterStart < clusterEnd) {
size_t lenChar = MultiByteLenFromIconv(convMeasure, s+i, len-i);
@@ -1048,38 +1045,36 @@ void SurfaceImpl::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION
positions[i++] = iti.position - (places - place) * iti.distance / places;
positionsCalculated++;
}
- clusterStart += UTF8CharLength(utfForm+clusterStart);
+ clusterStart += UTF8CharLength(utfForm.c_str()+clusterStart);
place++;
}
}
- delete []utfForm;
PLATFORM_ASSERT(i == lenPositions);
}
}
if (positionsCalculated < 1 ) {
// Either Latin1 or DBCS conversion failed so treat as Latin1.
SetConverter(PFont(font_)->characterSet);
- char *utfForm = UTF8FromIconv(conv, s, len);
- if (!utfForm) {
+ std::string utfForm = UTF8FromIconv(conv, s, len);
+ if (utfForm.empty()) {
utfForm = UTF8FromLatin1(s, len);
}
- pango_layout_set_text(layout, utfForm, len);
+ pango_layout_set_text(layout, utfForm.c_str(), utfForm.length());
int i = 0;
int clusterStart = 0;
// Each Latin1 input character may take 1 or 2 bytes in UTF-8
// and groups of up to 3 may be represented as ligatures.
- ClusterIterator iti(layout, strlen(utfForm));
+ ClusterIterator iti(layout, utfForm.length());
while (!iti.finished) {
iti.Next();
int clusterEnd = iti.curIndex;
- int ligatureLength = g_utf8_strlen(utfForm + clusterStart, clusterEnd - clusterStart);
+ int ligatureLength = g_utf8_strlen(utfForm.c_str() + clusterStart, clusterEnd - clusterStart);
PLATFORM_ASSERT(ligatureLength > 0 && ligatureLength <= 3);
for (int charInLig=0; charInLig<ligatureLength; charInLig++) {
positions[i++] = iti.position - (ligatureLength - 1 - charInLig) * iti.distance / ligatureLength;
}
clusterStart = clusterEnd;
}
- delete []utfForm;
PLATFORM_ASSERT(i == lenPositions);
}
}
@@ -1099,20 +1094,18 @@ void SurfaceImpl::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION
XYPOSITION SurfaceImpl::WidthText(Font &font_, const char *s, int len) {
if (font_.GetID()) {
if (PFont(font_)->pfd) {
- char *utfForm = 0;
+ std::string utfForm;
pango_layout_set_font_description(layout, PFont(font_)->pfd);
PangoRectangle pos;
if (et == UTF8) {
pango_layout_set_text(layout, s, len);
} else {
- if (!utfForm) { // use iconv
- SetConverter(PFont(font_)->characterSet);
- utfForm = UTF8FromIconv(conv, s, len);
- }
- if (!utfForm) { // iconv failed so treat as Latin1
+ SetConverter(PFont(font_)->characterSet);
+ utfForm = UTF8FromIconv(conv, s, len);
+ if (utfForm.empty()) { // iconv failed so treat as Latin1
utfForm = UTF8FromLatin1(s, len);
}
- pango_layout_set_text(layout, utfForm, len);
+ pango_layout_set_text(layout, utfForm.c_str(), utfForm.length());
}
#ifdef PANGO_VERSION
PangoLayoutLine *pangoLine = pango_layout_get_line_readonly(layout,0);
@@ -1120,7 +1113,6 @@ XYPOSITION SurfaceImpl::WidthText(Font &font_, const char *s, int len) {
PangoLayoutLine *pangoLine = pango_layout_get_line(layout,0);
#endif
pango_layout_line_get_extents(pangoLine, NULL, &pos);
- delete []utfForm;
return doubleFromPangoUnits(pos.width);
}
return 1;
@@ -1890,30 +1882,26 @@ void ListBoxX::ClearRegisteredImages() {
void ListBoxX::SetList(const char *listText, char separator, char typesep) {
Clear();
int count = strlen(listText) + 1;
- char *words = new char[count];
- if (words) {
- memcpy(words, listText, count);
- char *startword = words;
- char *numword = NULL;
- int i = 0;
- for (; words[i]; i++) {
- if (words[i] == separator) {
- words[i] = '\0';
- if (numword)
- *numword = '\0';
- Append(startword, numword?atoi(numword + 1):-1);
- startword = words + i + 1;
- numword = NULL;
- } else if (words[i] == typesep) {
- numword = words + i;
- }
- }
- if (startword) {
+ std::vector<char> words(listText, listText+count);
+ char *startword = words.data();
+ char *numword = NULL;
+ int i = 0;
+ for (; words[i]; i++) {
+ if (words[i] == separator) {
+ words[i] = '\0';
if (numword)
*numword = '\0';
Append(startword, numword?atoi(numword + 1):-1);
+ startword = words.data() + i + 1;
+ numword = NULL;
+ } else if (words[i] == typesep) {
+ numword = words.data() + i;
}
- delete []words;
+ }
+ if (startword) {
+ if (numword)
+ *numword = '\0';
+ Append(startword, numword?atoi(numword + 1):-1);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 06:52:17 +0000