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https://github.com/DaedalusX64/daedalus.git
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117 lines
2.7 KiB
C++
117 lines
2.7 KiB
C++
#include "Base/Types.h"
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#include "Dialogs.h"
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#include "UIContext.h"
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#include "Graphics/ColourValue.h"
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#include "DrawTextUtilities.h"
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#include "DrawText.h"
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namespace DrawTextUtilities
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{
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const c32 TextWhite = c32(255, 255, 255);
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const c32 TextWhiteDisabled = c32(208, 208, 208);
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const c32 TextBlue = c32(80, 80, 208);
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const c32 TextBlueDisabled = c32(80, 80, 178);
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const c32 TextRed = c32(255, 0, 0);
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const c32 TextRedDisabled = c32(208, 208, 208);
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const c32 TextGreen = c32(0, 255, 0);
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const c32 TextYellow = c32(0, 255, 255);
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static c32 COLOUR_SHADOW_HEAVY = c32(0x80000000);
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static c32 COLOUR_SHADOW_LIGHT = c32(0x50000000);
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static const char *FindPreviousSpace(const char *p_str_start, const char *p_str_end)
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{
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while (p_str_end > p_str_start)
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{
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if (*p_str_end == ' ')
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{
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return p_str_end;
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}
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p_str_end--;
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}
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// Not found
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return nullptr;
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}
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void WrapText(CDrawText::EFont font, s32 width, const char *p_str, u32 length, std::vector<u32> &lengths, bool &match)
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{
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lengths.clear();
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// Manual line breaking (Used for translations)
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if (gGlobalPreferences.Language != 0)
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{
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for ( auto i = 0, j = 0; i < length; i++)
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{
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match = true;
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if (p_str[i] == '\n')
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{
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j++;
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lengths.push_back(match);
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}
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}
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if (match)
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{
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lengths.push_back(match);
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}
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return;
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}
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// Auto-linebreaking
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const char *p_line_str(p_str);
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const char *p_str_end(p_str + length);
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while (p_line_str < p_str_end)
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{
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u32 length_remaining = p_str_end - p_line_str;
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s32 chunk_width = CDrawText::GetTextWidth(font, p_line_str, length_remaining);
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if (chunk_width <= width)
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{
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lengths.push_back(length_remaining);
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p_line_str += length_remaining;
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}
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else
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{
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// Search backwards until we find a break
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const char *p_chunk_end = p_str_end;
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bool found_chunk = false;
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while (p_chunk_end > p_line_str)
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{
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const char *p_space = FindPreviousSpace(p_line_str, p_chunk_end);
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if (p_space != nullptr)
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{
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u32 chunk_length = p_space + 1 - p_line_str;
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chunk_width = CDrawText::GetTextWidth(font, p_line_str, chunk_length);
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if (chunk_width <= width)
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{
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lengths.push_back(chunk_length);
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p_line_str += chunk_length;
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found_chunk = true;
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break;
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}
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else
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{
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// Need to try again with the previous space
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p_chunk_end = p_space - 1;
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}
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}
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else
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{
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// No more spaces - just render the whole chunk
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lengths.push_back(p_chunk_end - p_line_str);
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p_line_str = p_chunk_end;
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found_chunk = true;
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break;
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}
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}
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#ifdef DAEDALUS_ENABLE_ASSERTS
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DAEDALUS_ASSERT(found_chunk, "Didn't find chunk while splitting string for rendering?");
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#endif
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}
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}
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}
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} // namespace DrawTextUtilities
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