mirror of
https://github.com/OpenRCT2/OpenRCT2
synced 2026-01-16 11:33:03 +01:00
255 lines
8.1 KiB
C++
255 lines
8.1 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2019 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include "Text.h"
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#include "../localisation/Localisation.h"
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#include "Drawing.h"
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static TextPaint _legacyPaint;
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static void DrawText(rct_drawpixelinfo* dpi, int32_t x, int32_t y, TextPaint* paint, const_utf8string text);
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static void DrawText(rct_drawpixelinfo* dpi, int32_t x, int32_t y, TextPaint* paint, rct_string_id format, const void* args);
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StaticLayout::StaticLayout(utf8string source, TextPaint paint, int32_t width)
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{
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_buffer = source;
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_paint = paint;
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int32_t fontSpriteBase;
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gCurrentFontSpriteBase = paint.SpriteBase;
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_maxWidth = gfx_wrap_string(_buffer, width, &_lineCount, &fontSpriteBase);
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_lineCount += 1;
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_lineHeight = font_get_line_height(fontSpriteBase);
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}
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void StaticLayout::Draw(rct_drawpixelinfo* dpi, int32_t x, int32_t y)
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{
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gCurrentFontFlags = 0;
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gCurrentFontSpriteBase = _paint.SpriteBase;
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TextPaint tempPaint = _paint;
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gCurrentFontFlags = 0;
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int32_t lineY = y;
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int32_t lineX = x;
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switch (_paint.Alignment)
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{
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case TextAlignment::LEFT:
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lineX = x;
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break;
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case TextAlignment::CENTRE:
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lineX = x + _maxWidth / 2;
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break;
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case TextAlignment::RIGHT:
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lineX = x + _maxWidth;
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break;
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}
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utf8* buffer = _buffer;
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for (int32_t line = 0; line < _lineCount; ++line)
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{
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DrawText(dpi, lineX, lineY, &tempPaint, buffer);
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tempPaint.Colour = TEXT_COLOUR_254;
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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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int32_t StaticLayout::GetHeight()
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{
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return _lineHeight * _lineCount;
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}
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int32_t StaticLayout::GetWidth()
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{
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return _maxWidth;
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}
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int32_t StaticLayout::GetLineCount()
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{
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return _lineCount;
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}
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static void DrawText(rct_drawpixelinfo* dpi, int32_t x, int32_t y, TextPaint* paint, const_utf8string text)
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{
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int32_t width = gfx_get_string_width(text);
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switch (paint->Alignment)
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{
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case TextAlignment::LEFT:
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break;
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case TextAlignment::CENTRE:
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x -= (width - 1) / 2;
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break;
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case TextAlignment::RIGHT:
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x -= width;
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break;
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}
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ttf_draw_string(dpi, text, paint->Colour, x, y);
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if (paint->UnderlineText)
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{
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gfx_fill_rect(dpi, x, y + 11, x + width, y + 11, text_palette[1]);
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if (text_palette[2] != 0)
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{
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gfx_fill_rect(dpi, x + 1, y + 12, x + width + 1, y + 12, text_palette[2]);
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}
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}
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}
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static void DrawText(rct_drawpixelinfo* dpi, int32_t x, int32_t y, TextPaint* paint, rct_string_id format, const void* args)
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{
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utf8 buffer[512];
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format_string(buffer, sizeof(buffer), format, args);
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DrawText(dpi, x, y, paint, buffer);
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}
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static void DrawTextCompat(
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rct_drawpixelinfo* dpi, int32_t x, int32_t y, rct_string_id format, const void* args, uint8_t colour,
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TextAlignment alignment, bool underline = false)
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{
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_legacyPaint.UnderlineText = underline;
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_legacyPaint.Colour = colour;
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_legacyPaint.Alignment = alignment;
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_legacyPaint.SpriteBase = FONT_SPRITE_BASE_MEDIUM;
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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DrawText(dpi, x, y, &_legacyPaint, format, args);
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}
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static void DrawTextEllipsisedCompat(
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rct_drawpixelinfo* dpi, int32_t x, int32_t y, int32_t width, rct_string_id format, void* args, uint8_t colour,
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TextAlignment alignment, bool underline = false)
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{
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_legacyPaint.UnderlineText = underline;
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_legacyPaint.Colour = colour;
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_legacyPaint.Alignment = alignment;
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_legacyPaint.SpriteBase = FONT_SPRITE_BASE_MEDIUM;
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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utf8 buffer[512];
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format_string(buffer, sizeof(buffer), format, args);
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gfx_clip_string(buffer, width);
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DrawText(dpi, x, y, &_legacyPaint, buffer);
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}
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void gfx_draw_string(rct_drawpixelinfo* dpi, const_utf8string buffer, uint8_t colour, int32_t x, int32_t y)
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{
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_legacyPaint.UnderlineText = false;
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_legacyPaint.Colour = colour;
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_legacyPaint.Alignment = TextAlignment::LEFT;
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_legacyPaint.SpriteBase = gCurrentFontSpriteBase;
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DrawText(dpi, x, y, &_legacyPaint, buffer);
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}
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// Basic
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void gfx_draw_string_left(rct_drawpixelinfo* dpi, rct_string_id format, void* args, uint8_t colour, int32_t x, int32_t y)
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{
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DrawTextCompat(dpi, x, y, format, args, colour, TextAlignment::LEFT);
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}
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void gfx_draw_string_centred(
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rct_drawpixelinfo* dpi, rct_string_id format, int32_t x, int32_t y, uint8_t colour, const void* args)
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{
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DrawTextCompat(dpi, x, y, format, args, colour, TextAlignment::CENTRE);
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}
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void gfx_draw_string_right(rct_drawpixelinfo* dpi, rct_string_id format, void* args, uint8_t colour, int32_t x, int32_t y)
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{
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gfx_draw_string_right(dpi, format, args, colour, { x, y });
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}
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void gfx_draw_string_right(
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rct_drawpixelinfo* dpi, rct_string_id format, void* args, uint8_t colour, const ScreenCoordsXY& coords)
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{
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DrawTextCompat(dpi, coords.x, coords.y, format, args, colour, TextAlignment::RIGHT);
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}
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// Underline
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void draw_string_left_underline(rct_drawpixelinfo* dpi, rct_string_id format, void* args, uint8_t colour, int32_t x, int32_t y)
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{
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DrawTextCompat(dpi, x, y, format, args, colour, TextAlignment::LEFT, true);
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}
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void draw_string_centred_underline(
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rct_drawpixelinfo* dpi, rct_string_id format, void* args, uint8_t colour, int32_t x, int32_t y)
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{
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DrawTextCompat(dpi, x, y, format, args, colour, TextAlignment::CENTRE, true);
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}
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void draw_string_right_underline(rct_drawpixelinfo* dpi, rct_string_id format, void* args, uint8_t colour, int32_t x, int32_t y)
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{
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DrawTextCompat(dpi, x, y, format, args, colour, TextAlignment::RIGHT, true);
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}
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// Ellipsised
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void gfx_draw_string_left_clipped(
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rct_drawpixelinfo* dpi, rct_string_id format, void* args, uint8_t colour, int32_t x, int32_t y, int32_t width)
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{
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DrawTextEllipsisedCompat(dpi, x, y, width, format, args, colour, TextAlignment::LEFT);
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}
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void gfx_draw_string_centred_clipped(
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rct_drawpixelinfo* dpi, rct_string_id format, void* args, uint8_t colour, int32_t x, int32_t y, int32_t width)
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{
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DrawTextEllipsisedCompat(dpi, x, y, width, format, args, colour, TextAlignment::CENTRE);
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}
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void gfx_draw_string_right_clipped(
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rct_drawpixelinfo* dpi, rct_string_id format, void* args, uint8_t colour, int32_t x, int32_t y, int32_t width)
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{
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DrawTextEllipsisedCompat(dpi, x, y, width, format, args, colour, TextAlignment::RIGHT);
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}
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// Wrapping
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int32_t gfx_draw_string_left_wrapped(
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rct_drawpixelinfo* dpi, void* args, int32_t x, int32_t y, int32_t width, rct_string_id format, uint8_t colour)
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{
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utf8 buffer[512];
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format_string(buffer, sizeof(buffer), format, args);
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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_legacyPaint.UnderlineText = false;
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_legacyPaint.Colour = colour;
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_legacyPaint.Alignment = TextAlignment::LEFT;
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_legacyPaint.SpriteBase = gCurrentFontSpriteBase;
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StaticLayout layout(buffer, _legacyPaint, width);
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layout.Draw(dpi, x, y);
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return layout.GetHeight();
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}
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int32_t gfx_draw_string_centred_wrapped(
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rct_drawpixelinfo* dpi, void* args, int32_t x, int32_t y, int32_t width, rct_string_id format, uint8_t colour)
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{
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utf8 buffer[512];
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format_string(buffer, sizeof(buffer), format, args);
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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_legacyPaint.UnderlineText = false;
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_legacyPaint.Colour = colour;
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_legacyPaint.Alignment = TextAlignment::CENTRE;
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_legacyPaint.SpriteBase = gCurrentFontSpriteBase;
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StaticLayout layout(buffer, _legacyPaint, width);
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// The original tried to vertically centre the text, but used line count - 1
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int32_t lineCount = layout.GetLineCount();
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int32_t lineHeight = layout.GetHeight() / lineCount;
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int32_t yOffset = (lineCount - 1) * lineHeight / 2;
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layout.Draw(dpi, x - layout.GetWidth() / 2, y - yOffset);
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return layout.GetHeight();
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}
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