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Fixed core_text_file_loading example in raylib examples, to account for blank lines in text file and text wrapping properly for the case when the last word goes out the display (#5339)

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Chakradhar 2025-11-08 15:59:45 +05:30 committed by GitHub
parent 4ff296bf0b
commit d8da443604
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1 changed files with 14 additions and 5 deletions
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19
examples/core/core_text_file_loading.c
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@ -19,6 +19,8 @@
#include "raymath.h" // Required for: Lerp()
#include <string.h>
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
@ -59,10 +61,11 @@ int main(void)
int lastSpace = 0; // Keeping track of last valid space to insert '\n'
int lastWrapStart = 0; // Keeping track of the start of this wrapped line.
while (lines[i][j] != '\0')
while (j <= strlen(lines[i]))
{
if (lines[i][j] == ' ')
if (lines[i][j] == ' ' || lines[i][j] == '\0')
{
char before = lines[i][j];
// Making a C Style string by adding a '\0' at the required location so that we can use the MeasureText function
lines[i][j] = '\0';
@ -75,7 +78,7 @@ int main(void)
lastWrapStart = lastSpace + 1;
}
lines[i][j] = ' '; // Resetting the space back
if(before != '\0') lines[i][j] = ' '; // Resetting the space back
lastSpace = j; // Since we encountered a new space we update our last encountered space location
}
@ -92,7 +95,7 @@ int main(void)
textHeight += (int)size.y + 10;
}
// A simple scrollbar on the side to show how far we have red into the file
// A simple scrollbar on the side to show how far we have read into the file
Rectangle scrollBar = {
.x = (float)screenWidth - 5,
.y = 0,
@ -132,7 +135,13 @@ int main(void)
for (int i = 0, t = textTop; i < lineCount; i++)
{
// Each time we go through and calculate the height of the text to move the cursor appropriately
Vector2 size = MeasureTextEx(GetFontDefault(), lines[i], (float)fontSize, 2);
Vector2 size;
if(strcmp(lines[i], "")){
// Fix for empty line in the text file
size = MeasureTextEx( GetFontDefault(), lines[i], (float)fontSize, 2);
}else{
size = MeasureTextEx( GetFontDefault(), " ", (float)fontSize, 2);
}
DrawText(lines[i], 10, t, fontSize, RED);