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count leading whitespace in wordwrap

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This commit is contained in:
David Rose 2001-11-02 19:50:28 +00:00
parent 769fff8d67
commit 1bafa350b6
1 changed files with 15 additions and 2 deletions
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17
panda/src/text/textFont.cxx
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@ -137,7 +137,13 @@ wordwrap_to(const string &text, float wordwrap_width,
size_t p = 0; size_t p = 0;
// Preserve any initial whitespace and newlines. // Preserve any initial whitespace and newlines.
float initial_width = 0.0;
while (p < text.length() && isspace(text[p])) { while (p < text.length() && isspace(text[p])) {
if (text[p] == '\n') {
initial_width = 0.0;
} else {
initial_width += calc_width(text[p]);
}
output_text += text[p]; output_text += text[p];
p++; p++;
} }
@ -153,7 +159,7 @@ wordwrap_to(const string &text, float wordwrap_width,
bool any_spaces = false; bool any_spaces = false;
bool overflow = false; bool overflow = false;
float width = 0.0; float width = initial_width;
while (q < text.length() && text[q] != '\n') { while (q < text.length() && text[q] != '\n') {
if (isspace(text[q])) { if (isspace(text[q])) {
any_spaces = true; any_spaces = true;
@ -191,7 +197,8 @@ wordwrap_to(const string &text, float wordwrap_width,
if (next_start == p) { if (next_start == p) {
// No characters got in at all. This could only happen if the // No characters got in at all. This could only happen if the
// wordwrap width is narrower than a single character. // wordwrap width is narrower than a single character, or if we
// have a substantial number of leading spaces in a line.
q++; q++;
next_start++; next_start++;
while (next_start < text.length() && isblank(text[next_start])) { while (next_start < text.length() && isblank(text[next_start])) {
@ -220,7 +227,13 @@ wordwrap_to(const string &text, float wordwrap_width,
p = next_start; p = next_start;
// Preserve any initial whitespace and newlines. // Preserve any initial whitespace and newlines.
initial_width = 0.0;
while (p < text.length() && isspace(text[p])) { while (p < text.length() && isspace(text[p])) {
if (text[p] == '\n') {
initial_width = 0.0;
} else {
initial_width += calc_width(text[p]);
}
output_text += text[p]; output_text += text[p];
p++; p++;
} }