diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/raylib.h | 3 | ||||
| -rw-r--r-- | src/text.c | 133 |
2 files changed, 0 insertions, 136 deletions
diff --git a/src/raylib.h b/src/raylib.h index f02f46f6..fc64858e 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -1329,9 +1329,6 @@ RLAPI void UnloadFont(Font font); RLAPI void DrawFPS(int posX, int posY); // Draw current FPS RLAPI void DrawText(const char *text, int posX, int posY, int fontSize, Color color); // Draw text (using default font) RLAPI void DrawTextEx(Font font, const char *text, Vector2 position, float fontSize, float spacing, Color tint); // Draw text using font and additional parameters -//RLAPI void DrawTextPro(Font font, const char *text, Vector2 position, Vector2 origin, float rotation, float fontSize, float spacing, Color tint); -RLAPI void DrawTextRec(Font font, const char *text, Rectangle rec, float fontSize, float spacing, bool wordWrap, Color tint); // Draw text using font inside rectangle limits -RLAPI void DrawTextRecEx(Font font, const char *text, Rectangle rec, float fontSize, float spacing, bool wordWrap, Color tint, int selectStart, int selectLength, Color selectTint, Color selectBackTint); // Draw text using font inside rectangle limits with support for text selection RLAPI void DrawTextCodepoint(Font font, int codepoint, Vector2 position, float fontSize, Color tint); // Draw one character (codepoint) // Text misc. functions @@ -890,140 +890,7 @@ void DrawTextEx(Font font, const char *text, Vector2 position, float fontSize, f } } -// Draw text using font inside rectangle limits -void DrawTextRec(Font font, const char *text, Rectangle rec, float fontSize, float spacing, bool wordWrap, Color tint) { - DrawTextRecEx(font, text, rec, fontSize, spacing, wordWrap, tint, 0, 0, WHITE, WHITE); -} - -// Draw text using font inside rectangle limits with support for text selection -void DrawTextRecEx(Font font, const char *text, Rectangle rec, float fontSize, float spacing, bool wordWrap, Color tint, int selectStart, int selectLength, Color selectTint, Color selectBackTint) -{ - int length = TextLength(text); // Total length in bytes of the text, scanned by codepoints in loop - - float textOffsetY = 0; // Offset between lines (on line break '\n') - float textOffsetX = 0.0f; // Offset X to next character to draw - - float scaleFactor = fontSize/(float)font.baseSize; // Character quad scaling factor - - // Word/character wrapping mechanism variables - enum { MEASURE_STATE = 0, DRAW_STATE = 1 }; - int state = wordWrap? MEASURE_STATE : DRAW_STATE; - - int startLine = -1; // Index where to begin drawing (where a line begins) - int endLine = -1; // Index where to stop drawing (where a line ends) - int lastk = -1; // Holds last value of the character position - - for (int i = 0, k = 0; i < length; i++, k++) - { - // Get next codepoint from byte string and glyph index in font - int codepointByteCount = 0; - int codepoint = GetCodepoint(&text[i], &codepointByteCount); - int index = GetGlyphIndex(font, codepoint); - - // NOTE: Normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f) - // but we need to draw all of the bad bytes using the '?' symbol moving one byte - if (codepoint == 0x3f) codepointByteCount = 1; - i += (codepointByteCount - 1); - - float glyphWidth = 0; - if (codepoint != '\n') - { - glyphWidth = (font.chars[index].advanceX == 0) ? font.recs[index].width*scaleFactor : font.chars[index].advanceX*scaleFactor; - - if (i + 1 < length) glyphWidth = glyphWidth + spacing; - } - - // NOTE: When wordWrap is ON we first measure how much of the text we can draw before going outside of the rec container - // We store this info in startLine and endLine, then we change states, draw the text between those two variables - // and change states again and again recursively until the end of the text (or until we get outside of the container). - // When wordWrap is OFF we don't need the measure state so we go to the drawing state immediately - // and begin drawing on the next line before we can get outside the container. - if (state == MEASURE_STATE) - { - // TODO: There are multiple types of spaces in UNICODE, maybe it's a good idea to add support for more - // Ref: http://jkorpela.fi/chars/spaces.html - if ((codepoint == ' ') || (codepoint == '\t') || (codepoint == '\n')) endLine = i; - - if ((textOffsetX + glyphWidth) > rec.width) - { - endLine = (endLine < 1)? i : endLine; - if (i == endLine) endLine -= codepointByteCount; - if ((startLine + codepointByteCount) == endLine) endLine = (i - codepointByteCount); - - state = !state; - } - else if ((i + 1) == length) - { - endLine = i; - state = !state; - } - else if (codepoint == '\n') state = !state; - - if (state == DRAW_STATE) - { - textOffsetX = 0; - i = startLine; - glyphWidth = 0; - - // Save character position when we switch states - int tmp = lastk; - lastk = k - 1; - k = tmp; - } - } - else - { - if (codepoint == '\n') - { - if (!wordWrap) - { - textOffsetY += (font.baseSize + font.baseSize/2)*scaleFactor; - textOffsetX = 0; - } - } - else - { - if (!wordWrap && ((textOffsetX + glyphWidth) > rec.width)) - { - textOffsetY += (font.baseSize + font.baseSize/2)*scaleFactor; - textOffsetX = 0; - } - - // When text overflows rectangle height limit, just stop drawing - if ((textOffsetY + font.baseSize*scaleFactor) > rec.height) break; - - // Draw selection background - bool isGlyphSelected = false; - if ((selectStart >= 0) && (k >= selectStart) && (k < (selectStart + selectLength))) - { - DrawRectangleRec((Rectangle){ rec.x + textOffsetX - 1, rec.y + textOffsetY, glyphWidth, (float)font.baseSize*scaleFactor }, selectBackTint); - isGlyphSelected = true; - } - - // Draw current character glyph - if ((codepoint != ' ') && (codepoint != '\t')) - { - DrawTextCodepoint(font, codepoint, (Vector2){ rec.x + textOffsetX, rec.y + textOffsetY }, fontSize, isGlyphSelected? selectTint : tint); - } - } - - if (wordWrap && (i == endLine)) - { - textOffsetY += (font.baseSize + font.baseSize/2)*scaleFactor; - textOffsetX = 0; - startLine = endLine; - endLine = -1; - glyphWidth = 0; - selectStart += lastk - k; - k = lastk; - - state = !state; - } - } - - textOffsetX += glyphWidth; - } } // Draw one character (codepoint) |