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https://github.com/OpenRCT2/OpenRCT2
synced 2026-01-28 09:14:58 +01:00
implement utf8, part 8
This commit is contained in:
IntelOrca
@@ -105,7 +105,6 @@ void gfx_load_character_widths(){
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}
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}
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/* rct2: 0x006C23B1 */
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int gfx_get_string_width_new_lined(char* buffer){
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// Current font sprites
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@@ -177,7 +176,6 @@ int gfx_get_string_width_new_lined(char* buffer){
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return max_width;
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}
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/**
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* Return the width of the string in buffer
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*
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@@ -198,93 +196,43 @@ int gfx_get_string_width(char* buffer)
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*/
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int gfx_clip_string(utf8 *text, int width)
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{
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rct_g1_element g1_element;
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uint16 fontSpriteBase;
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int maxWidth;
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int clippedWidth;
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if (width < 6) {
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*text = 0;
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return 0;
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}
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fontSpriteBase = RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_FONT_SPRITE_BASE, uint16);
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int dotCharacterWidth = _spriteFontCharacterWidths[fontSpriteBase + ('.' - ' ')];
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int elipsisCharacterWidth = dotCharacterWidth * 3;
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maxWidth = width - elipsisCharacterWidth;
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int clippedWidth = 0;
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utf8 *lastCh = text;
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utf8 *ch = text;
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int codepoint;
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while ((codepoint = utf8_get_next(ch, &ch)) != 0) {
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if (utf8_is_format_code(codepoint)) {
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switch (codepoint) {
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case FORMAT_MOVE_X:
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clippedWidth = *ch++;
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break;
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case FORMAT_ADJUST_PALETTE:
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case 3:
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case 4:
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ch++;
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break;
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case FORMAT_NEWLINE:
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case FORMAT_NEWLINE_SMALLER:
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break;
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case FORMAT_TINYFONT:
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fontSpriteBase = 448;
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break;
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case FORMAT_SMALLFONT:
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fontSpriteBase = 0;
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break;
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case FORMAT_MEDIUMFONT:
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fontSpriteBase = 224;
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break;
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case FORMAT_BIGFONT:
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fontSpriteBase = 672;
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break;
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case FORMAT_OUTLINE:
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case FORMAT_OUTLINE_OFF:
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case FORMAT_WINDOW_COLOUR_1:
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case FORMAT_WINDOW_COLOUR_2:
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case FORMAT_WINDOW_COLOUR_3:
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case 0x10:
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break;
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case FORMAT_INLINE_SPRITE:
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g1_element = g1Elements[*((uint32*)(ch - 1)) & 0x7FFFF];
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clippedWidth += g1_element.width;
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ch += 4;
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break;
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default:
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if (codepoint >= FORMAT_COLOUR_CODE_START || codepoint <= FORMAT_COLOUR_CODE_END) {
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break;
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}
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if (codepoint <= 22) { //case 0x11? FORMAT_NEW_LINE_X_Y
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ch += 2;
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} else {
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ch += 4;//never happens?
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}
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break;
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}
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dotCharacterWidth = _spriteFontCharacterWidths[fontSpriteBase + ('.' - ' ')];
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elipsisCharacterWidth = dotCharacterWidth * 3;
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maxWidth = width - elipsisCharacterWidth;
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} else {
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clippedWidth += _spriteFontCharacterWidths[fontSpriteBase + utf8_get_sprite_offset_for_codepoint(codepoint)];
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if (clippedWidth > width) {
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strcpy(lastCh - 3, "...");
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clippedWidth = width;
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return clippedWidth;
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}
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if (clippedWidth <= maxWidth) {
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lastCh = ch + 1;
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}
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}
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clippedWidth = gfx_get_string_width(text);
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if (clippedWidth <= width) {
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return clippedWidth;
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}
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return clippedWidth;
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}
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utf8 backup[4];
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utf8 *ch = text;
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utf8 *nextCh = text;
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utf8 *clipCh = text;
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int codepoint;
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while ((codepoint = utf8_get_next(ch, &nextCh)) != 0) {
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for (int i = 0; i < 4; i++) { backup[i] = nextCh[i]; };
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for (int i = 0; i < 3; i++) { nextCh[i] = '.'; }
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nextCh[3] = 0;
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int queryWidth = gfx_get_string_width(text);
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if (queryWidth < width) {
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clipCh = nextCh;
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clippedWidth = queryWidth;
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} else {
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for (int i = 0; i < 3; i++) { clipCh[i] = '.'; }
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clipCh[3] = 0;
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return clippedWidth;
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}
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for (int i = 0; i < 4; i++) { nextCh[i] = backup[i]; };
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ch = nextCh;
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}
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return gfx_get_string_width(text);
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}
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/**
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* Wrap the text in buffer to width, returns width of longest line.
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@@ -299,112 +247,62 @@ int gfx_clip_string(utf8 *text, int width)
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* num_lines (edi) - out
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* font_height (ebx) - out
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*/
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int gfx_wrap_string(utf8 *text, int width, int *num_lines, int *font_height)
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int gfx_wrap_string(utf8 *text, int width, int *outNumLines, int *outFontHeight)
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{
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int lineWidth = 0;
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int maxWidth = 0;
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rct_g1_element g1Element;
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*num_lines = 0;
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*font_height = RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_FONT_SPRITE_BASE, uint16);
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*outNumLines = 0;
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// Pointer to the start of the current word
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utf8 *currentWord = NULL;
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// Width of line up to current word
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int currentWidth;
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utf8 *ch = text;
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utf8 *firstCh = text;
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utf8 *lastCh;
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int codepoint;
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while ((codepoint = utf8_get_next(ch, &lastCh)) != 0) {
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// Remember start of current word and line width up to this word
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if (codepoint == ' ') {
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currentWord = ch;
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currentWidth = lineWidth;
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}
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if (utf8_is_format_code(codepoint)) {
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switch (codepoint) {
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case FORMAT_MOVE_X:
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case FORMAT_ADJUST_PALETTE:
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case 3:
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case 4:
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ch++;
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break;
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case FORMAT_NEWLINE:
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case FORMAT_NEWLINE_SMALLER:
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*num_lines += 1;
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*ch = 0;
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if (lineWidth > maxWidth) {
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maxWidth = lineWidth;
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}
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lineWidth = 0;
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currentWord = 0;
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break;
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case FORMAT_TINYFONT:
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*font_height = FONT_SPRITE_BASE_TINY;
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break;
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case FORMAT_SMALLFONT:
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*font_height = FONT_SPRITE_BASE_SMALL;
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break;
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case FORMAT_MEDIUMFONT:
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*font_height = FONT_SPRITE_BASE_MEDIUM;
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break;
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case FORMAT_BIGFONT:
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*font_height = FONT_SPRITE_BASE_BIG;
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break;
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case FORMAT_OUTLINE:
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case FORMAT_OUTLINE_OFF:
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case FORMAT_WINDOW_COLOUR_1:
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case FORMAT_WINDOW_COLOUR_2:
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case FORMAT_WINDOW_COLOUR_3:
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case 0x10:
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break;
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case FORMAT_INLINE_SPRITE:
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g1Element = g1Elements[*((uint32*)(ch + 1)) & 0x7FFFF];
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lineWidth += g1Element.width;
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lastCh += 4;
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break;
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default:
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if (codepoint < FORMAT_COLOUR_CODE_START || codepoint > FORMAT_COLOUR_CODE_END) {
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if (codepoint <= 0x16) {
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lastCh += 2;
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} else {
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lastCh += 4;
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}
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}
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break;
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}
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uint8 saveCh = *lastCh;
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*lastCh = 0;
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lineWidth = gfx_get_string_width(firstCh);
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*lastCh = saveCh;
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if (lineWidth <= width) {
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ch = lastCh;
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} else if (currentWord == NULL) {
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// Single word is longer than line, insert null terminator
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utf8 *end = get_string_end(ch);
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memmove(ch + 1, ch, end - ch + 1);
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*ch++ = 0;
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maxWidth = max(maxWidth, lineWidth);
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(*outNumLines)++;
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lineWidth = 0;
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currentWord = NULL;
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firstCh = ch;
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} else {
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lineWidth += _spriteFontCharacterWidths[*font_height + utf8_get_sprite_offset_for_codepoint(codepoint)];
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if ((int)lineWidth <= width) {
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ch = lastCh;
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} else if (currentWord == NULL) {
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// Single word is longer than line, insert null terminator
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utf8 *end = get_string_end(ch);
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memmove(ch + 1, ch, end - ch + 1);
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*ch++ = 0;
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ch = currentWord;
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*ch++ = 0;
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maxWidth = max(maxWidth, lineWidth);
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*num_lines += 1;
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lineWidth = 0;
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currentWord = NULL;
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} else {
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ch = currentWord;
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*ch++ = 0;
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maxWidth = max(maxWidth, currentWidth);
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*num_lines += 1;
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lineWidth = 0;
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currentWord = NULL;
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}
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maxWidth = max(maxWidth, currentWidth);
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(*outNumLines)++;
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lineWidth = 0;
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currentWord = NULL;
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firstCh = ch;
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}
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}
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*outFontHeight = RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_FONT_SPRITE_BASE, uint16);
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return maxWidth == 0 ? lineWidth : maxWidth;
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}
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/**
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* Draws i formatted text string left aligned at i specified position but clips
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* the text with an elipsis if the text width exceeds the specified width.
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