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https://github.com/OpenRCT2/OpenRCT2
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Refactor string.c to C++
This commit is contained in:
Ted John
933
src/openrct2/drawing/String.cpp
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933
src/openrct2/drawing/String.cpp
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@@ -0,0 +1,933 @@
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#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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#include <algorithm>
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#include "../config/Config.h"
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#include "../interface/colour.h"
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#include "../interface/viewport.h"
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#include "../localisation/localisation.h"
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#include "../platform/platform.h"
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#include "../sprites.h"
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#include "../util/Util.h"
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#include "ttf.h"
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extern "C"
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{
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enum {
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TEXT_DRAW_FLAG_INSET = 1 << 0,
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TEXT_DRAW_FLAG_OUTLINE = 1 << 1,
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TEXT_DRAW_FLAG_DARK = 1 << 2,
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TEXT_DRAW_FLAG_EXTRA_DARK = 1 << 3,
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TEXT_DRAW_FLAG_Y_OFFSET_EFFECT = 1 << 29,
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TEXT_DRAW_FLAG_TTF = 1 << 30,
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TEXT_DRAW_FLAG_NO_DRAW = 1u << 31
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};
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static sint32 ttf_get_string_width(const utf8 *text);
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/**
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*
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* rct2: 0x006C23B1
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*/
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sint32 gfx_get_string_width_new_lined(utf8 *text)
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{
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utf8 *ch = text;
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utf8 *firstCh = text;
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utf8 *nextCh;
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utf8 backup;
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sint32 codepoint;
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sint32 maxWidth = 0;
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while ((codepoint = utf8_get_next(ch, (const utf8**)&nextCh)) != 0) {
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if (codepoint == FORMAT_NEWLINE || codepoint == FORMAT_NEWLINE_SMALLER) {
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backup = *nextCh;
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*nextCh = 0;
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maxWidth = std::max(maxWidth, gfx_get_string_width(firstCh));
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*nextCh = backup;
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firstCh = nextCh;
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}
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ch = nextCh;
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}
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maxWidth = std::max(maxWidth, gfx_get_string_width(firstCh));
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return maxWidth;
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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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* rct2: 0x006C2321
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* buffer (esi)
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*/
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sint32 gfx_get_string_width(const utf8 * buffer)
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{
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return ttf_get_string_width(buffer);
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}
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/**
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* Clip the text in buffer to width, add ellipsis and return the new width of the clipped string
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*
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* rct2: 0x006C2460
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* buffer (esi)
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* width (edi)
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*/
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sint32 gfx_clip_string(utf8 *text, sint32 width)
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{
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sint32 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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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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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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sint32 codepoint;
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while ((codepoint = utf8_get_next(ch, (const utf8**)&nextCh)) != 0) {
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if (utf8_is_format_code(codepoint)) {
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ch = nextCh;
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ch += utf8_get_format_code_arg_length(codepoint);
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continue;
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}
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for (sint32 i = 0; i < 4; i++) { backup[i] = nextCh[i]; };
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for (sint32 i = 0; i < 3; i++) { nextCh[i] = '.'; }
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nextCh[3] = 0;
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sint32 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 (sint32 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 (sint32 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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*
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* Inserts NULL where line should break (as \n is used for something else),
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* so the number of lines is returned in num_lines. font_height seems to be
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* a control character for line height.
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*
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* rct2: 0x006C21E2
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* buffer (esi)
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* width (edi) - in
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* num_lines (edi) - out
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* font_height (ebx) - out
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*/
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sint32 gfx_wrap_string(utf8 *text, sint32 width, sint32 *outNumLines, sint32 *outFontHeight)
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{
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sint32 lineWidth = 0;
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sint32 maxWidth = 0;
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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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sint32 currentWidth = 0;
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utf8 *ch = text;
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utf8 *firstCh = text;
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utf8 *nextCh;
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sint32 codepoint;
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sint32 numCharactersOnLine = 0;
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while ((codepoint = utf8_get_next(ch, (const utf8**)&nextCh)) != 0) {
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if (codepoint == ' ') {
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currentWord = ch;
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currentWidth = lineWidth;
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numCharactersOnLine++;
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} else if (codepoint == FORMAT_NEWLINE) {
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*ch++ = 0;
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maxWidth = std::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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numCharactersOnLine = 0;
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continue;
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} else if (utf8_is_format_code(codepoint)) {
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ch = nextCh;
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ch += utf8_get_format_code_arg_length(codepoint);
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continue;
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}
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uint8 saveCh = *nextCh;
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*nextCh = 0;
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lineWidth = gfx_get_string_width(firstCh);
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*nextCh = saveCh;
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if (lineWidth <= width || numCharactersOnLine == 0) {
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ch = nextCh;
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numCharactersOnLine++;
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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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ch += utf8_insert_codepoint(ch, 0);
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maxWidth = std::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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numCharactersOnLine = 0;
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} else {
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ch = currentWord;
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*ch++ = 0;
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maxWidth = std::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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numCharactersOnLine = 0;
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}
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}
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maxWidth = std::max(maxWidth, lineWidth);
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*outFontHeight = gCurrentFontSpriteBase;
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return maxWidth == 0 ? lineWidth : maxWidth;
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}
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/**
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* Draws text that is left aligned and vertically centred.
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*/
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void gfx_draw_string_left_centred(rct_drawpixelinfo *dpi, rct_string_id format, void *args, sint32 colour, sint32 x, sint32 y)
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{
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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char *buffer = gCommonStringFormatBuffer;
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format_string(buffer, 256, format, args);
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sint32 height = string_get_height_raw(buffer);
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gfx_draw_string(dpi, buffer, colour, x, y - (height / 2));
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}
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/**
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* Changes the palette so that the next character changes colour
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*/
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static void colour_char(uint8 colour, uint16* current_font_flags, uint8* palette_pointer) {
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sint32 colour32 = 0;
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const rct_g1_element * g1 = gfx_get_g1_element(SPR_TEXT_PALETTE);
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if (g1 != NULL)
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{
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colour32 = ((uint32 *)g1->offset)[colour & 0xFF];
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}
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if (!(*current_font_flags & 2))
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{
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colour32 = colour32 & 0x0FF0000FF;
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}
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// Adjust text palette. Store current colour?
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palette_pointer[1] = colour32 & 0xFF;
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palette_pointer[2] = (colour32 >> 8) & 0xFF;
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palette_pointer[3] = (colour32 >> 16) & 0xFF;
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palette_pointer[4] = (colour32 >> 24) & 0xFF;
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}
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/**
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* Changes the palette so that the next character changes colour
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* This is specific to changing to a predefined window related colour
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*/
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static void colour_char_window(uint8 colour, uint16* current_font_flags,uint8* palette_pointer) {
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sint32 eax;
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colour = NOT_TRANSLUCENT(colour);
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eax = ColourMapA[colour].colour_11;
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if (*current_font_flags & TEXT_DRAW_FLAG_OUTLINE) {
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eax |= 0x0A0A00;
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}
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//Adjust text palette. Store current colour?
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palette_pointer[1] = eax & 0xFF;
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palette_pointer[2] = (eax >> 8) & 0xFF;
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palette_pointer[3] = (eax >> 16) & 0xFF;
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palette_pointer[4] = (eax >> 24) & 0xFF;
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}
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/**
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*
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* rct2: 0x006C1DB7
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*
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* left : cx
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* top : dx
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* numLines : bp
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* text : esi
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* dpi : edi
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*/
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void draw_string_centred_raw(rct_drawpixelinfo *dpi, sint32 x, sint32 y, sint32 numLines, char *text)
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{
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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gfx_draw_string(dpi, (char *)"", COLOUR_BLACK, dpi->x, dpi->y);
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gCurrentFontFlags = 0;
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for (sint32 i = 0; i <= numLines; i++) {
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sint32 width = gfx_get_string_width(text);
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gfx_draw_string(dpi, text, TEXT_COLOUR_254, x - (width / 2), y);
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const utf8 *ch = text;
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const utf8 *nextCh = 0;
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while ((utf8_get_next(ch, &nextCh)) != 0) {
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ch = nextCh;
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}
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text = (char*)(ch + 1);
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y += font_get_line_height(gCurrentFontSpriteBase);
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}
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}
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sint32 string_get_height_raw(char *buffer)
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{
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uint16 fontBase = gCurrentFontSpriteBase;
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sint32 height = 0;
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if (fontBase <= FONT_SPRITE_BASE_MEDIUM)
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height += 10;
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else if (fontBase == FONT_SPRITE_BASE_TINY)
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height += 6;
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char *ch = buffer;
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while (*ch != 0) {
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char c = *ch++;
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switch (c) {
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case FORMAT_NEWLINE:
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if (fontBase == FONT_SPRITE_BASE_SMALL || fontBase == FONT_SPRITE_BASE_MEDIUM) {
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height += 10;
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break;
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} else if (fontBase == FONT_SPRITE_BASE_TINY) {
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height += 6;
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break;
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}
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height += 18;
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break;
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case FORMAT_NEWLINE_SMALLER:
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if (fontBase == FONT_SPRITE_BASE_SMALL || fontBase == FONT_SPRITE_BASE_MEDIUM) {
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height += 5;
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break;
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} else if (fontBase == FONT_SPRITE_BASE_TINY) {
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height += 3;
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break;
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}
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height += 9;
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break;
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case FORMAT_TINYFONT:
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fontBase = FONT_SPRITE_BASE_TINY;
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break;
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case FORMAT_BIGFONT:
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fontBase = FONT_SPRITE_BASE_BIG;
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break;
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case FORMAT_MEDIUMFONT:
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fontBase = FONT_SPRITE_BASE_MEDIUM;
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break;
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case FORMAT_SMALLFONT:
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fontBase = FONT_SPRITE_BASE_SMALL;
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break;
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default:
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if (c >= 32) continue;
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if (c <= 4) {
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ch++;
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continue;
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}
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if (c <= 16) continue;
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ch += 2;
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if (c <= 22) continue;
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ch += 2;
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break;
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}
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}
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return height;
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}
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/**
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*
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* rct2: 0x006C1F57
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*
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* colour : al
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* format : bx
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* x : cx
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* y : dx
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* text : esi
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* dpi : edi
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* width : bp
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* ticks : ebp >> 16
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*/
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void gfx_draw_string_centred_wrapped_partial(rct_drawpixelinfo *dpi, sint32 x, sint32 y, sint32 width, sint32 colour, rct_string_id format, void *args, sint32 ticks)
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{
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sint32 numLines, fontSpriteBase, lineHeight, lineY;
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utf8 *buffer = gCommonStringFormatBuffer;
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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gfx_draw_string(dpi, (char *)"", colour, dpi->x, dpi->y);
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format_string(buffer, 256, format, args);
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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gfx_wrap_string(buffer, width, &numLines, &fontSpriteBase);
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lineHeight = font_get_line_height(fontSpriteBase);
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sint32 numCharactersDrawn = 0;
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sint32 numCharactersToDraw = ticks;
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gCurrentFontFlags = 0;
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lineY = y - ((numLines * lineHeight) / 2);
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for (sint32 line = 0; line <= numLines; line++) {
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sint32 halfWidth = gfx_get_string_width(buffer) / 2;
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utf8 *ch = buffer;
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utf8 *nextCh;
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sint32 codepoint;
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while ((codepoint = utf8_get_next(ch, (const utf8**)&nextCh)) != 0) {
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if (!utf8_is_format_code(codepoint)) {
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numCharactersDrawn++;
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if (numCharactersDrawn > numCharactersToDraw) {
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*ch = 0;
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break;
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}
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}
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ch = nextCh;
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}
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gfx_draw_string(dpi, buffer, TEXT_COLOUR_254, x - halfWidth, lineY);
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if (numCharactersDrawn > numCharactersToDraw) {
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break;
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}
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buffer = get_string_end(buffer) + 1;
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lineY += lineHeight;
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}
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}
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typedef struct text_draw_info {
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sint32 startX;
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sint32 startY;
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sint32 x;
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sint32 y;
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sint32 maxX;
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sint32 maxY;
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sint32 flags;
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uint8 palette[8];
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uint16 font_sprite_base;
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const sint8 *y_offset;
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} text_draw_info;
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static void ttf_draw_character_sprite(rct_drawpixelinfo *dpi, sint32 codepoint, text_draw_info *info)
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{
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sint32 characterWidth = font_sprite_get_codepoint_width(info->font_sprite_base, codepoint);
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sint32 sprite = font_sprite_get_codepoint_sprite(info->font_sprite_base, codepoint);
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|
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if (!(info->flags & TEXT_DRAW_FLAG_NO_DRAW)) {
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sint32 x = info->x;
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sint32 y = info->y;
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if (info->flags & TEXT_DRAW_FLAG_Y_OFFSET_EFFECT) {
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y += *info->y_offset++;
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}
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gfx_draw_glpyh(dpi, sprite, x, y, info->palette);
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}
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info->x += characterWidth;
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}
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||||
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static void ttf_draw_string_raw_sprite(rct_drawpixelinfo *dpi, const utf8 *text, text_draw_info *info)
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||||
{
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const utf8 *ch = text;
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||||
sint32 codepoint;
|
||||
|
||||
while (!utf8_is_format_code(codepoint = utf8_get_next(ch, &ch))) {
|
||||
ttf_draw_character_sprite(dpi, codepoint, info);
|
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};
|
||||
}
|
||||
|
||||
#ifndef NO_TTF
|
||||
|
||||
static void ttf_draw_string_raw_ttf(rct_drawpixelinfo *dpi, const utf8 *text, text_draw_info *info)
|
||||
{
|
||||
if (!ttf_initialise())
|
||||
return;
|
||||
|
||||
TTFFontDescriptor *fontDesc = ttf_get_font_from_sprite_base(info->font_sprite_base);
|
||||
if (fontDesc->font == NULL) {
|
||||
ttf_draw_string_raw_sprite(dpi, text, info);
|
||||
return;
|
||||
}
|
||||
|
||||
if (info->flags & TEXT_DRAW_FLAG_NO_DRAW) {
|
||||
info->x += ttf_getwidth_cache_get_or_add(fontDesc->font, text);
|
||||
return;
|
||||
} else {
|
||||
uint8 colour = info->palette[1];
|
||||
TTFSurface * surface = ttf_surface_cache_get_or_add(fontDesc->font, text);
|
||||
if (surface == NULL)
|
||||
return;
|
||||
|
||||
sint32 drawX = info->x + fontDesc->offset_x;
|
||||
sint32 drawY = info->y + fontDesc->offset_y;
|
||||
sint32 width = surface->w;
|
||||
sint32 height = surface->h;
|
||||
|
||||
sint32 overflowX = (dpi->x + dpi->width) - (drawX + width);
|
||||
sint32 overflowY = (dpi->y + dpi->height) - (drawY + height);
|
||||
if (overflowX < 0) width += overflowX;
|
||||
if (overflowY < 0) height += overflowY;
|
||||
sint32 skipX = drawX - dpi->x;
|
||||
sint32 skipY = drawY - dpi->y;
|
||||
info->x += width;
|
||||
|
||||
auto src = (const uint8 *)surface->pixels;
|
||||
uint8 *dst = dpi->bits;
|
||||
|
||||
if (skipX < 0) {
|
||||
width += skipX;
|
||||
src += -skipX;
|
||||
skipX = 0;
|
||||
}
|
||||
if (skipY < 0) {
|
||||
height += skipY;
|
||||
src += (-skipY * surface->pitch);
|
||||
skipY = 0;
|
||||
}
|
||||
|
||||
dst += skipX;
|
||||
dst += skipY * (dpi->width + dpi->pitch);
|
||||
|
||||
sint32 srcScanSkip = surface->pitch - width;
|
||||
sint32 dstScanSkip = dpi->width + dpi->pitch - width;
|
||||
uint8 *dst_orig = dst;
|
||||
const uint8 *src_orig = src;
|
||||
|
||||
// Draw shadow/outline
|
||||
if (info->flags & TEXT_DRAW_FLAG_OUTLINE) {
|
||||
for (sint32 yy = 0; yy < height - 0; yy++) {
|
||||
for (sint32 xx = 0; xx < width - 0; xx++) {
|
||||
if (*src != 0) {
|
||||
*(dst + 1) = info->palette[3]; // right
|
||||
*(dst - 1) = info->palette[3]; // left
|
||||
*(dst - width - dstScanSkip) = info->palette[3]; // top
|
||||
*(dst + width + dstScanSkip) = info->palette[3]; // bottom
|
||||
}
|
||||
src++;
|
||||
dst++;
|
||||
}
|
||||
// Skip any remaining bits
|
||||
src += srcScanSkip;
|
||||
dst += dstScanSkip;
|
||||
}
|
||||
}
|
||||
{
|
||||
dst = dst_orig;
|
||||
src = src_orig;
|
||||
for (sint32 yy = 0; yy < height; yy++) {
|
||||
for (sint32 xx = 0; xx < width; xx++) {
|
||||
if (*src != 0) {
|
||||
if (info->flags & TEXT_DRAW_FLAG_INSET) {
|
||||
*(dst + width + dstScanSkip + 1) = info->palette[3];
|
||||
}
|
||||
|
||||
if (*src > 180 || !gConfigFonts.enable_hinting)
|
||||
{
|
||||
// Centre of the glyph: use full colour.
|
||||
*dst = colour;
|
||||
}
|
||||
else if (*src > fontDesc->hinting_threshold)
|
||||
{
|
||||
// Simulate font hinting by shading the background colour instead.
|
||||
if (info->flags & TEXT_DRAW_FLAG_OUTLINE)
|
||||
{
|
||||
// As outlines are black, these texts should always use a darker shade
|
||||
// of the foreground colour for font hinting.
|
||||
*dst = blendColours(colour, PALETTE_INDEX_0);
|
||||
}
|
||||
else
|
||||
{
|
||||
*dst = blendColours(colour, *dst);
|
||||
}
|
||||
}
|
||||
}
|
||||
src++;
|
||||
dst++;
|
||||
}
|
||||
src += srcScanSkip;
|
||||
dst += dstScanSkip;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endif // NO_TTF
|
||||
|
||||
static void ttf_draw_string_raw(rct_drawpixelinfo *dpi, const utf8 *text, text_draw_info *info)
|
||||
{
|
||||
#ifndef NO_TTF
|
||||
if (info->flags & TEXT_DRAW_FLAG_TTF) {
|
||||
ttf_draw_string_raw_ttf(dpi, text, info);
|
||||
} else {
|
||||
#endif // NO_TTF
|
||||
ttf_draw_string_raw_sprite(dpi, text, info);
|
||||
#ifndef NO_TTF
|
||||
}
|
||||
#endif // NO_TTF
|
||||
}
|
||||
|
||||
static const utf8 *ttf_process_format_code(rct_drawpixelinfo *dpi, const utf8 *text, text_draw_info *info)
|
||||
{
|
||||
const utf8 *nextCh;
|
||||
sint32 codepoint;
|
||||
|
||||
codepoint = utf8_get_next(text, &nextCh);
|
||||
switch (codepoint) {
|
||||
case FORMAT_MOVE_X:
|
||||
info->x = info->startX + (uint8)(*nextCh++);
|
||||
break;
|
||||
case FORMAT_ADJUST_PALETTE:
|
||||
{
|
||||
uint16 eax = palette_to_g1_offset[(uint8)*nextCh++];
|
||||
const rct_g1_element * g1 = gfx_get_g1_element(eax);
|
||||
if (g1 != NULL)
|
||||
{
|
||||
uint32 ebx = g1->offset[249] + 256;
|
||||
if (!(info->flags & TEXT_DRAW_FLAG_OUTLINE)) {
|
||||
ebx = ebx & 0xFF;
|
||||
}
|
||||
info->palette[1] = ebx & 0xFF;
|
||||
info->palette[2] = (ebx >> 8) & 0xFF;
|
||||
|
||||
// Adjust the text palette
|
||||
memcpy(info->palette + 3, &(g1->offset[247]), 2);
|
||||
memcpy(info->palette + 5, &(g1->offset[250]), 2);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case FORMAT_3:
|
||||
case FORMAT_4:
|
||||
nextCh++;
|
||||
break;
|
||||
case FORMAT_NEWLINE:
|
||||
info->x = info->startX;
|
||||
info->y += font_get_line_height(info->font_sprite_base);
|
||||
break;
|
||||
case FORMAT_NEWLINE_SMALLER:
|
||||
info->x = info->startX;
|
||||
info->y += font_get_line_height_small(info->font_sprite_base);
|
||||
break;
|
||||
case FORMAT_TINYFONT:
|
||||
info->font_sprite_base = FONT_SPRITE_BASE_TINY;
|
||||
break;
|
||||
case FORMAT_SMALLFONT:
|
||||
info->font_sprite_base = FONT_SPRITE_BASE_SMALL;
|
||||
break;
|
||||
case FORMAT_MEDIUMFONT:
|
||||
info->font_sprite_base = FONT_SPRITE_BASE_MEDIUM;
|
||||
break;
|
||||
case FORMAT_BIGFONT:
|
||||
info->font_sprite_base = 672;
|
||||
break;
|
||||
case FORMAT_OUTLINE:
|
||||
info->flags |= TEXT_DRAW_FLAG_OUTLINE;
|
||||
break;
|
||||
case FORMAT_OUTLINE_OFF:
|
||||
info->flags &= ~TEXT_DRAW_FLAG_OUTLINE;
|
||||
break;
|
||||
case FORMAT_WINDOW_COLOUR_1:
|
||||
{
|
||||
uint16 flags = info->flags;
|
||||
colour_char_window(gCurrentWindowColours[0], &flags, info->palette);
|
||||
break;
|
||||
}
|
||||
case FORMAT_WINDOW_COLOUR_2:
|
||||
{
|
||||
uint16 flags = info->flags;
|
||||
colour_char_window(gCurrentWindowColours[1], &flags, info->palette);
|
||||
break;
|
||||
}
|
||||
case FORMAT_WINDOW_COLOUR_3:
|
||||
{
|
||||
uint16 flags = info->flags;
|
||||
colour_char_window(gCurrentWindowColours[2], &flags, info->palette);
|
||||
break;
|
||||
}
|
||||
case FORMAT_16:
|
||||
break;
|
||||
case FORMAT_INLINE_SPRITE:
|
||||
{
|
||||
uint32 imageId = *((uint32*)(nextCh));
|
||||
const rct_g1_element * g1 = gfx_get_g1_element(imageId & 0x7FFFF);
|
||||
if (g1 != NULL)
|
||||
{
|
||||
if (!(info->flags & TEXT_DRAW_FLAG_NO_DRAW)) {
|
||||
gfx_draw_sprite(dpi, imageId, info->x, info->y, 0);
|
||||
}
|
||||
info->x += g1->width;
|
||||
}
|
||||
nextCh += 4;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
if (codepoint >= FORMAT_COLOUR_CODE_START && codepoint <= FORMAT_COLOUR_CODE_END) {
|
||||
uint16 flags = info->flags;
|
||||
colour_char(codepoint - FORMAT_COLOUR_CODE_START, &flags, info->palette);
|
||||
} else if (codepoint <= 0x16) { //case 0x11? FORMAT_NEW_LINE_X_Y
|
||||
nextCh += 2;
|
||||
} else {
|
||||
nextCh += 4;//never happens?
|
||||
}
|
||||
break;
|
||||
}
|
||||
return nextCh;
|
||||
}
|
||||
|
||||
static const utf8 *ttf_process_glyph_run(rct_drawpixelinfo *dpi, const utf8 *text, text_draw_info *info)
|
||||
{
|
||||
utf8 buffer[512];
|
||||
const utf8 *ch = text;
|
||||
const utf8 *lastCh;
|
||||
sint32 codepoint;
|
||||
|
||||
#ifndef NO_TTF
|
||||
bool isTTF = info->flags & TEXT_DRAW_FLAG_TTF;
|
||||
#else
|
||||
bool isTTF = false;
|
||||
#endif // NO_TTF
|
||||
while (!utf8_is_format_code(codepoint = utf8_get_next(ch, &lastCh))) {
|
||||
if (isTTF && utf8_should_use_sprite_for_codepoint(codepoint)) {
|
||||
break;
|
||||
}
|
||||
ch = lastCh;
|
||||
}
|
||||
if (codepoint == 0) {
|
||||
ttf_draw_string_raw(dpi, text, info);
|
||||
return ch;
|
||||
} else {
|
||||
size_t length = (size_t)(ch - text);
|
||||
memcpy(buffer, text, length);
|
||||
buffer[length] = 0;
|
||||
ttf_draw_string_raw(dpi, buffer, info);
|
||||
return ch;
|
||||
}
|
||||
}
|
||||
|
||||
static void ttf_process_string(rct_drawpixelinfo *dpi, const utf8 *text, text_draw_info *info)
|
||||
{
|
||||
const utf8 *ch = text;
|
||||
const utf8 *nextCh;
|
||||
sint32 codepoint;
|
||||
|
||||
#ifndef NO_TTF
|
||||
bool isTTF = info->flags & TEXT_DRAW_FLAG_TTF;
|
||||
#else
|
||||
bool isTTF = false;
|
||||
#endif // NO_TTF
|
||||
|
||||
while ((codepoint = utf8_get_next(ch, &nextCh)) != 0) {
|
||||
if (utf8_is_format_code(codepoint)) {
|
||||
ch = ttf_process_format_code(dpi, ch, info);
|
||||
} else if (isTTF && utf8_should_use_sprite_for_codepoint(codepoint)) {
|
||||
ttf_draw_character_sprite(dpi, codepoint, info);
|
||||
ch = nextCh;
|
||||
} else {
|
||||
ch = ttf_process_glyph_run(dpi, ch, info);
|
||||
}
|
||||
info->maxX = std::max(info->maxX, info->x);
|
||||
info->maxY = std::max(info->maxY, info->y);
|
||||
}
|
||||
}
|
||||
|
||||
static void ttf_process_initial_colour(sint32 colour, text_draw_info *info)
|
||||
{
|
||||
if (colour != TEXT_COLOUR_254 && colour != TEXT_COLOUR_255) {
|
||||
info->flags &= ~(TEXT_DRAW_FLAG_INSET | TEXT_DRAW_FLAG_OUTLINE | TEXT_DRAW_FLAG_DARK | TEXT_DRAW_FLAG_EXTRA_DARK);
|
||||
if ((sint16)info->font_sprite_base < 0) {
|
||||
info->flags |= TEXT_DRAW_FLAG_DARK;
|
||||
if ((sint16)info->font_sprite_base == FONT_SPRITE_BASE_MEDIUM_EXTRA_DARK) {
|
||||
info->flags |= TEXT_DRAW_FLAG_EXTRA_DARK;
|
||||
}
|
||||
info->font_sprite_base = FONT_SPRITE_BASE_MEDIUM;
|
||||
}
|
||||
if (colour & COLOUR_FLAG_OUTLINE) {
|
||||
info->flags |= TEXT_DRAW_FLAG_OUTLINE;
|
||||
}
|
||||
colour &= ~COLOUR_FLAG_OUTLINE;
|
||||
if (!(colour & COLOUR_FLAG_INSET)) {
|
||||
if (!(info->flags & TEXT_DRAW_FLAG_INSET)) {
|
||||
uint16 flags = info->flags;
|
||||
colour_char_window(colour, &flags, (uint8*)&info->palette);
|
||||
}
|
||||
} else {
|
||||
info->flags |= TEXT_DRAW_FLAG_INSET;
|
||||
colour &= ~COLOUR_FLAG_INSET;
|
||||
|
||||
uint32 eax;
|
||||
if (info->flags & TEXT_DRAW_FLAG_DARK) {
|
||||
if (info->flags & TEXT_DRAW_FLAG_EXTRA_DARK) {
|
||||
eax = ColourMapA[colour].mid_light;
|
||||
eax = eax << 16;
|
||||
eax = eax | ColourMapA[colour].dark;
|
||||
} else {
|
||||
eax = ColourMapA[colour].light;
|
||||
eax = eax << 16;
|
||||
eax = eax | ColourMapA[colour].mid_dark;
|
||||
}
|
||||
} else {
|
||||
eax = ColourMapA[colour].lighter;
|
||||
eax = eax << 16;
|
||||
eax = eax | ColourMapA[colour].mid_light;
|
||||
}
|
||||
|
||||
// Adjust text palette. Store current colour? ;
|
||||
info->palette[1] = eax & 0xFF;
|
||||
info->palette[2] = (eax >> 8) & 0xFF;
|
||||
info->palette[3] = (eax >> 16) & 0xFF;
|
||||
info->palette[4] = (eax >> 24) & 0xFF;
|
||||
eax = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void ttf_draw_string(rct_drawpixelinfo *dpi, char *text, sint32 colour, sint32 x, sint32 y)
|
||||
{
|
||||
if (text == NULL) return;
|
||||
|
||||
text_draw_info info;
|
||||
info.font_sprite_base = gCurrentFontSpriteBase;
|
||||
info.flags = gCurrentFontFlags;
|
||||
info.startX = x;
|
||||
info.startY = x;
|
||||
info.x = x;
|
||||
info.y = y;
|
||||
|
||||
if (gUseTrueTypeFont) {
|
||||
info.flags |= TEXT_DRAW_FLAG_TTF;
|
||||
}
|
||||
|
||||
memcpy(info.palette, text_palette, sizeof(info.palette));
|
||||
ttf_process_initial_colour(colour, &info);
|
||||
ttf_process_string(dpi, text, &info);
|
||||
memcpy(text_palette, info.palette, sizeof(info.palette));
|
||||
|
||||
gCurrentFontSpriteBase = info.font_sprite_base;
|
||||
gCurrentFontFlags = info.flags;
|
||||
|
||||
gLastDrawStringX = info.x;
|
||||
gLastDrawStringY = info.y;
|
||||
}
|
||||
|
||||
static sint32 ttf_get_string_width(const utf8 *text)
|
||||
{
|
||||
text_draw_info info;
|
||||
info.font_sprite_base = gCurrentFontSpriteBase;
|
||||
info.flags = gCurrentFontFlags;
|
||||
info.startX = 0;
|
||||
info.startY = 0;
|
||||
info.x = 0;
|
||||
info.y = 0;
|
||||
info.maxX = 0;
|
||||
info.maxY = 0;
|
||||
|
||||
info.flags |= TEXT_DRAW_FLAG_NO_DRAW;
|
||||
if (gUseTrueTypeFont) {
|
||||
info.flags |= TEXT_DRAW_FLAG_TTF;
|
||||
}
|
||||
|
||||
ttf_process_string(NULL, text, &info);
|
||||
|
||||
return info.maxX;
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* rct2: 0x00682F28
|
||||
*/
|
||||
void gfx_draw_string_with_y_offsets(rct_drawpixelinfo *dpi, const utf8 *text, sint32 colour, sint32 x, sint32 y, const sint8 *yOffsets, bool forceSpriteFont)
|
||||
{
|
||||
text_draw_info info;
|
||||
info.font_sprite_base = gCurrentFontSpriteBase;
|
||||
info.flags = gCurrentFontFlags;
|
||||
info.startX = x;
|
||||
info.startY = x;
|
||||
info.x = x;
|
||||
info.y = y;
|
||||
info.y_offset = yOffsets;
|
||||
|
||||
info.flags |= TEXT_DRAW_FLAG_Y_OFFSET_EFFECT;
|
||||
|
||||
if (!forceSpriteFont && gUseTrueTypeFont) {
|
||||
info.flags |= TEXT_DRAW_FLAG_TTF;
|
||||
}
|
||||
|
||||
memcpy(info.palette, text_palette, sizeof(info.palette));
|
||||
ttf_process_initial_colour(colour, &info);
|
||||
ttf_process_string(dpi, text, &info);
|
||||
memcpy(text_palette, info.palette, sizeof(info.palette));
|
||||
|
||||
gCurrentFontSpriteBase = info.font_sprite_base;
|
||||
gCurrentFontFlags = info.flags;
|
||||
|
||||
gLastDrawStringX = info.x;
|
||||
gLastDrawStringY = info.y;
|
||||
}
|
||||
|
||||
void shorten_path(utf8 *buffer, size_t bufferSize, const utf8 *path, sint32 availableWidth)
|
||||
{
|
||||
size_t length = strlen(path);
|
||||
|
||||
// Return full string if it fits
|
||||
if (gfx_get_string_width((char*)path) <= availableWidth) {
|
||||
safe_strcpy(buffer, path, bufferSize);
|
||||
return;
|
||||
}
|
||||
|
||||
// Count path separators
|
||||
sint32 path_separators = 0;
|
||||
for (size_t x = 0; x < length; x++) {
|
||||
if (path[x] == *PATH_SEPARATOR || path[x] == '/') {
|
||||
path_separators++;
|
||||
}
|
||||
}
|
||||
|
||||
// TODO: Replace with unicode ellipsis when supported
|
||||
safe_strcpy(buffer, "...", bufferSize);
|
||||
|
||||
// Abbreviate beginning with xth separator
|
||||
sint32 begin = -1;
|
||||
for (sint32 x = 0; x < path_separators; x++){
|
||||
do {
|
||||
begin++;
|
||||
} while (path[begin] != *PATH_SEPARATOR && path[begin] != '/');
|
||||
|
||||
safe_strcpy(buffer + 3, path + begin, bufferSize - 3);
|
||||
if (gfx_get_string_width(buffer) <= availableWidth) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
safe_strcpy(buffer, path, bufferSize);
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user