diff options
Diffstat (limited to 'gfx.c')
| -rw-r--r-- | gfx.c | 100 |
1 files changed, 95 insertions, 5 deletions
@@ -2,6 +2,7 @@ #include "openttd.h" #include "spritecache.h" #include "strings.h" +#include "string.h" #include "gfx.h" #include "table/palettes.h" #include "hal.h" @@ -255,9 +256,63 @@ enum { ASCII_COLORSTART = 15, }; +/** Truncate a given string to a maximum width if neccessary. + * If the string is truncated, add three dots ('...') to show this. + * @param *dest string that is checked and possibly truncated + * @param maxw maximum width in pixels of the string + * @return new width of (truncated) string */ +static int TruncateString(char *str, uint maxw) +{ + int w = 0; + int base = _stringwidth_base; + int ddd, ddd_w; + + byte c; + char *ddd_pos; + + base = _stringwidth_base; + ddd_w = ddd = GetCharacterWidth(base + '.') * 3; + + for (c = *str, ddd_pos = str; *str != '\0'; c = (*++str)) { + if (c >= ASCII_LETTERSTART) { + w += GetCharacterWidth(base + c); + + if (w >= maxw) { + // string got too big... insert dotdotdot + ddd_pos[0] = ddd_pos[1] = ddd_pos[2] = '.'; + ddd_pos[3] = 0; + return ddd_w; + } + } else { + if (c == ASCII_SETX) str++; + else if (c == ASCII_SETXY) str += 2; + else if (c == ASCII_TINYFONT) { + base = 224; + ddd = GetCharacterWidth(base + '.') * 3; + } else if (c == ASCII_BIGFONT) { + base = 448; + ddd = GetCharacterWidth(base + '.') * 3; + } + } + + // Remember the last position where three dots fit. + if (w + ddd < maxw) { + ddd_w = w + ddd; + ddd_pos = str; + } + } + + return w; +} + +static inline int TruncateStringID(StringID src, char *dest, uint maxw) +{ + GetString(dest, src); + return TruncateString(dest, maxw); +} /* returns right coordinate */ -int DrawString(int x, int y, uint16 str, uint16 color) +int DrawString(int x, int y, StringID str, uint16 color) { char buffer[512]; @@ -265,8 +320,15 @@ int DrawString(int x, int y, uint16 str, uint16 color) return DoDrawString(buffer, x, y, color); } +int DrawStringTruncated(int x, int y, StringID str, uint16 color, uint maxw) +{ + char buffer[512]; + TruncateStringID(str, buffer, maxw); + return DoDrawString(buffer, x, y, color); +} -void DrawStringRightAligned(int x, int y, uint16 str, uint16 color) + +void DrawStringRightAligned(int x, int y, StringID str, uint16 color) { char buffer[512]; @@ -274,8 +336,16 @@ void DrawStringRightAligned(int x, int y, uint16 str, uint16 color) DoDrawString(buffer, x - GetStringWidth(buffer), y, color); } +void DrawStringRightAlignedTruncated(int x, int y, StringID str, uint16 color, uint maxw) +{ + char buffer[512]; -int DrawStringCentered(int x, int y, uint16 str, uint16 color) + TruncateStringID(str, buffer, maxw); + DoDrawString(buffer, x - GetStringWidth(buffer), y, color); +} + + +int DrawStringCentered(int x, int y, StringID str, uint16 color) { char buffer[512]; int w; @@ -288,12 +358,25 @@ int DrawStringCentered(int x, int y, uint16 str, uint16 color) return w; } -void DrawStringCenterUnderline(int x, int y, uint16 str, uint16 color) +int DrawStringCenteredTruncated(int x, int y, StringID str, uint16 color, uint maxw) +{ + char buffer[512]; + int w = TruncateStringID(str, buffer, maxw); + return DoDrawString(buffer, x - (w / 2), y, color); +} + +void DrawStringCenterUnderline(int x, int y, StringID str, uint16 color) { int w = DrawStringCentered(x, y, str, color); GfxFillRect(x - (w >> 1), y + 10, x - (w >> 1) + w, y + 10, _string_colorremap[1]); } +void DrawStringCenterUnderlineTruncated(int x, int y, StringID str, uint16 color, uint maxw) +{ + int w = DrawStringCenteredTruncated(x, y, str, color, maxw); + GfxFillRect(x - (w >> 1), y + 10, x - (w >> 1) + w, y + 10, _string_colorremap[1]); +} + static uint32 FormatStringLinebreaks(char *str, int maxw) { int num = 0; @@ -334,7 +417,6 @@ static uint32 FormatStringLinebreaks(char *str, int maxw) } } - void DrawStringMultiCenter(int x, int y, uint16 str, int maxw) { char buffer[512]; @@ -557,6 +639,14 @@ skip_cont:; } } +int DoDrawStringTruncated(const char *str, int x, int y, uint16 color, uint maxw) +{ + char buffer[512]; + ttd_strlcpy(buffer, str, sizeof(buffer)); + TruncateString(buffer, maxw); + return DoDrawString(buffer, x, y, color); +} + void DrawSprite(uint32 img, int x, int y) { if (img & 0x8000) { |