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96 lines
2.9 KiB
96 lines
2.9 KiB
#include "DiabloUI/text_draw.h" |
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#include "DiabloUI/art_draw.h" |
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#include "DiabloUI/fonts.h" |
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#include "DiabloUI/text.h" |
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#include "DiabloUI/ui_item.h" |
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#include "DiabloUI/ttf_render_wrapped.h" |
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namespace dvl { |
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extern SDL_Surface *pal_surface; |
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namespace { |
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TextAlignment XAlignmentFromFlags(int flags) |
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{ |
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if (flags & UIS_CENTER) |
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return TextAlignment::CENTER; |
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if (flags & UIS_RIGHT) |
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return TextAlignment::END; |
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return TextAlignment::BEGIN; |
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} |
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int AlignXOffset(int flags, const SDL_Rect &dest, int w) |
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{ |
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if (flags & UIS_CENTER) |
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return (dest.w - w) / 2; |
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if (flags & UIS_RIGHT) |
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return dest.w - w; |
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return 0; |
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} |
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} // namespace |
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void DrawTTF(const char *text, const SDL_Rect &rect, int flags, |
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const SDL_Color &text_color, const SDL_Color &shadow_color, |
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TtfSurfaceCache **render_cache) |
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{ |
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if (*render_cache == nullptr) { |
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*render_cache = new TtfSurfaceCache(); |
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const auto x_align = XAlignmentFromFlags(flags); |
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(*render_cache)->text = RenderUTF8_Solid_Wrapped(font, text, text_color, rect.w, x_align); |
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(*render_cache)->shadow = RenderUTF8_Solid_Wrapped(font, text, shadow_color, rect.w, x_align); |
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} |
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SDL_Surface *text_surface = (*render_cache)->text; |
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SDL_Surface *shadow_surface = (*render_cache)->shadow; |
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if (text_surface == nullptr) |
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return; |
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SDL_Rect dest_rect = rect; |
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const int x_offset = AlignXOffset(flags, rect, text_surface->w); |
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const int y_offset = (flags & UIS_VCENTER) ? (rect.h - text_surface->h) / 2 : 0; |
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dest_rect.x += static_cast<decltype(SDL_Rect().x)>(SCREEN_X + x_offset); |
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dest_rect.y += static_cast<decltype(SDL_Rect().y)>(SCREEN_Y + y_offset); |
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SDL_Rect shadow_rect = dest_rect; |
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++shadow_rect.x; |
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++shadow_rect.y; |
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if (SDL_BlitSurface(shadow_surface, nullptr, pal_surface, &shadow_rect) <= -1) |
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SDL_Log(SDL_GetError()); |
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if (SDL_BlitSurface(text_surface, nullptr, pal_surface, &dest_rect) <= -1) |
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SDL_Log(SDL_GetError()); |
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} |
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void DrawArtStr(const char *text, const SDL_Rect &rect, int flags, bool drawTextCursor) |
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{ |
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_artFontTables size = AFT_SMALL; |
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_artFontColors color = flags & UIS_GOLD ? AFC_GOLD : AFC_SILVER; |
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if (flags & UIS_MED) |
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size = AFT_MED; |
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else if (flags & UIS_BIG) |
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size = AFT_BIG; |
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else if (flags & UIS_HUGE) |
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size = AFT_HUGE; |
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const int x = rect.x + AlignXOffset(flags, rect, GetArtStrWidth(text, size)); |
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const int y = rect.y + ((flags & UIS_VCENTER) ? (rect.h - ArtFonts[size][color].h()) / 2 : 0); |
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int sx = x, sy = y; |
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for (size_t i = 0, n = strlen(text); i < n; i++) { |
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if (text[i] == '\n') { |
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sx = x; |
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sy += ArtFonts[size][color].h(); |
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continue; |
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} |
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BYTE w = FontTables[size][*(BYTE *)&text[i] + 2] ? FontTables[size][*(BYTE *)&text[i] + 2] : FontTables[size][0]; |
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DrawArt(sx, sy, &ArtFonts[size][color], *(BYTE *)&text[i], w); |
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sx += w; |
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} |
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if (drawTextCursor && GetAnimationFrame(2, 500)) { |
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DrawArt(sx, sy, &ArtFonts[size][color], '|'); |
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} |
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} |
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} // namespace dvl
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