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-rw-r--r--src/bltGrText.C138
1 files changed, 56 insertions, 82 deletions
diff --git a/src/bltGrText.C b/src/bltGrText.C
index 1f3f0e5..eec1086 100644
--- a/src/bltGrText.C
+++ b/src/bltGrText.C
@@ -48,73 +48,58 @@ extern "C" {
void Blt_GetTextExtents(Tk_Font font, int leader, const char *text, int textLen,
unsigned int *widthPtr, unsigned int *heightPtr)
{
- unsigned int lineHeight;
-
- if (text == NULL)
+ if (!text) {
+ *widthPtr =0;
+ *heightPtr =0;
return;
+ }
- {
- Tk_FontMetrics fm;
+ Tk_FontMetrics fm;
+ Tk_GetFontMetrics(font, &fm);
+ unsigned int lineHeight = fm.linespace;
- Tk_GetFontMetrics(font, &fm);
- lineHeight = fm.linespace;
- }
- if (textLen < 0) {
+ if (textLen < 0)
textLen = strlen(text);
- }
- {
- unsigned int lineLen; /* # of characters on each line */
- const char *p, *pend;
- const char *line;
- unsigned int maxWidth, maxHeight;
-
- maxWidth = maxHeight = 0;
- lineLen = 0;
- for (p = line = text, pend = text + textLen; p < pend; p++) {
- if (*p == '\n') {
- if (lineLen > 0) {
- unsigned int lineWidth;
-
- lineWidth = Tk_TextWidth(font, line, lineLen);
- if (lineWidth > maxWidth) {
- maxWidth = lineWidth;
- }
- }
- maxHeight += lineHeight;
- line = p + 1; /* Point to the start of the next line. */
- lineLen = 0; /* Reset counter to indicate the start of a
- * new line. */
- continue;
+
+ unsigned int maxWidth =0;
+ unsigned int maxHeight =0;
+ unsigned int lineLen =0;
+ const char *line =NULL;
+ const char *p, *pend;
+ for (p = line = text, pend = text + textLen; p < pend; p++) {
+ if (*p == '\n') {
+ if (lineLen > 0) {
+ unsigned int lineWidth = Tk_TextWidth(font, line, lineLen);
+ if (lineWidth > maxWidth)
+ maxWidth = lineWidth;
}
- lineLen++;
- }
- if ((lineLen > 0) && (*(p - 1) != '\n')) {
- unsigned int lineWidth;
-
maxHeight += lineHeight;
- lineWidth = Tk_TextWidth(font, line, lineLen);
- if (lineWidth > maxWidth) {
- maxWidth = lineWidth;
- }
+ line = p + 1; /* Point to the start of the next line. */
+ lineLen = 0; /* Reset counter to indicate the start of a
+ * new line. */
+ continue;
}
- *widthPtr = maxWidth;
- *heightPtr = maxHeight;
+ lineLen++;
+ }
+
+ if ((lineLen > 0) && (*(p - 1) != '\n')) {
+ maxHeight += lineHeight;
+ unsigned int lineWidth = Tk_TextWidth(font, line, lineLen);
+ if (lineWidth > maxWidth)
+ maxWidth = lineWidth;
}
+
+ *widthPtr = maxWidth;
+ *heightPtr = maxHeight;
}
void Blt_Ts_GetExtents(TextStyle *tsPtr, const char *text,
unsigned int *widthPtr, unsigned int *heightPtr)
{
-
- if (text == NULL)
- *widthPtr = *heightPtr = 0;
- else {
- unsigned int w, h;
-
- Blt_GetTextExtents(tsPtr->font, tsPtr->leader, text, -1, &w, &h);
- *widthPtr = w + 2*tsPtr->xPad;
- *heightPtr = h + 2*tsPtr->yPad;
- }
+ unsigned int w, h;
+ Blt_GetTextExtents(tsPtr->font, tsPtr->leader, text, -1, &w, &h);
+ *widthPtr = w + 2*tsPtr->xPad;
+ *heightPtr = h + 2*tsPtr->yPad;
}
/*
@@ -161,11 +146,10 @@ void Blt_GetBoundingBox(int width, int height, float angle,
if (fmod(angle, (double)90.0) == 0.0) {
int ll, ur, ul, lr;
double rotWidth, rotHeight;
- int quadrant;
/* Handle right-angle rotations specially. */
- quadrant = (int)(angle / 90.0);
+ int quadrant = (int)(angle / 90.0);
switch (quadrant) {
case ROTATE_270: /* 270 degrees */
ul = 3, ur = 0, lr = 1, ll = 2;
@@ -216,12 +200,12 @@ void Blt_GetBoundingBox(int width, int height, float angle,
for (i = 0; i < 4; i++) {
x = (corner[i].x * cosTheta) - (corner[i].y * sinTheta);
y = (corner[i].x * sinTheta) + (corner[i].y * cosTheta);
- if (x > xMax) {
+ if (x > xMax)
xMax = x;
- }
- if (y > yMax) {
+
+ if (y > yMax)
yMax = y;
- }
+
if (bbox) {
bbox[i].x = x;
bbox[i].y = y;
@@ -335,19 +319,16 @@ static Point2d Rotate_Text(int x, int y, int w1, int h1, TextStyle* stylePtr)
void Blt_Ts_DrawText(Tk_Window tkwin, Drawable drawable, const char *text,
int textLen, TextStyle *stylePtr,int x, int y)
{
- Tk_TextLayout layout;
- int w1, h1;
- Point2d rr;
-
- if ((text == NULL) || (*text == '\0'))
+ if (!text || !(*text))
return;
if ((stylePtr->gc == NULL) || (stylePtr->flags & UPDATE_GC))
Blt_Ts_ResetStyle(tkwin, stylePtr);
- layout = Tk_ComputeTextLayout(stylePtr->font, text, textLen,-1,
- stylePtr->justify, 0, &w1, &h1);
- rr = Rotate_Text(x, y, w1, h1, stylePtr);
+ int w1, h1;
+ Tk_TextLayout layout = Tk_ComputeTextLayout(stylePtr->font, text, textLen,-1,
+ stylePtr->justify, 0, &w1, &h1);
+ Point2d rr = Rotate_Text(x, y, w1, h1, stylePtr);
TkDrawAngledTextLayout(Tk_Display(tkwin), drawable, stylePtr->gc, layout,
rr.x, rr.y, stylePtr->angle, 0, textLen);
}
@@ -355,19 +336,16 @@ void Blt_Ts_DrawText(Tk_Window tkwin, Drawable drawable, const char *text,
void Blt_DrawText2(Tk_Window tkwin, Drawable drawable, const char *text,
TextStyle *stylePtr, int x, int y, Dim2D *areaPtr)
{
- Tk_TextLayout layout;
- int w1, h1;
- Point2d rr;
-
- if ((text == NULL) || (*text == '\0'))
+ if (!text || !(*text))
return;
if ((stylePtr->gc == NULL) || (stylePtr->flags & UPDATE_GC))
Blt_Ts_ResetStyle(tkwin, stylePtr);
- layout = Tk_ComputeTextLayout(stylePtr->font, text, -1, -1,
+ int w1, h1;
+ Tk_TextLayout layout = Tk_ComputeTextLayout(stylePtr->font, text, -1, -1,
stylePtr->justify, 0, &w1, &h1);
- rr = Rotate_Text(x, y, w1, h1, stylePtr);
+ Point2d rr = Rotate_Text(x, y, w1, h1, stylePtr);
TkDrawAngledTextLayout(Tk_Display(tkwin), drawable, stylePtr->gc, layout,
rr.x, rr.y, stylePtr->angle, 0, -1);
@@ -377,7 +355,6 @@ void Blt_DrawText2(Tk_Window tkwin, Drawable drawable, const char *text,
if (angle != 0.0) {
double rotWidth, rotHeight;
-
Blt_GetBoundingBox(w1, h1, angle, &rotWidth, &rotHeight,
(Point2d *)NULL);
w1 = ROUND(rotWidth);
@@ -391,19 +368,16 @@ void Blt_DrawText2(Tk_Window tkwin, Drawable drawable, const char *text,
void Blt_DrawText(Tk_Window tkwin, Drawable drawable, const char *text,
TextStyle *stylePtr, int x, int y)
{
- Tk_TextLayout layout;
- int w1, h1;
- Point2d rr;
-
if (!text || (*text == '\0'))
return;
if (!stylePtr->gc || (stylePtr->flags & UPDATE_GC))
Blt_Ts_ResetStyle(tkwin, stylePtr);
- layout = Tk_ComputeTextLayout(stylePtr->font, text, -1, -1,
+ int w1, h1;
+ Tk_TextLayout layout = Tk_ComputeTextLayout(stylePtr->font, text, -1, -1,
stylePtr->justify, 0, &w1, &h1);
- rr = Rotate_Text(x, y, w1, h1, stylePtr);
+ Point2d rr = Rotate_Text(x, y, w1, h1, stylePtr);
TkDrawAngledTextLayout(Tk_Display(tkwin), drawable, stylePtr->gc, layout,
rr.x, rr.y, stylePtr->angle, 0, -1);
}
generated by cgit v0.12 at 2024-07-16 06:19:14 (GMT)