mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-09-13 02:42:09 +02:00
Logo: prints ASCII logo line by line
This commit is contained in:
Carter Li
@@ -21,6 +21,12 @@ typedef struct FFconfig {
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FFOptionsGeneral general;
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} FFconfig;
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typedef struct FFLogoLineCacheState {
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FFlist lines;
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uint32_t nextLine;
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uint32_t rightOffset;
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} FFLogoLineCacheState;
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typedef struct FFstate {
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uint32_t logoWidth;
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uint32_t logoHeight;
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@@ -29,6 +35,7 @@ typedef struct FFstate {
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bool titleFqdn;
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uint32_t dynamicInterval;
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FFPlatform platform;
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FFLogoLineCacheState logoLineCache;
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} FFstate;
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typedef struct FFinstance {
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+246
-2
@@ -12,6 +12,196 @@
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#include <stdlib.h>
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#include <string.h>
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typedef struct FFLogoCachedLine {
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FFstrbuf chars;
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uint32_t width;
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} FFLogoCachedLine;
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static void logoLineCacheClear(FFLogoLineCacheState* cache) {
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FF_LIST_FOR_EACH (FFLogoCachedLine, line, cache->lines) {
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ffStrbufDestroy(&line->chars);
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}
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ffListDestroy(&cache->lines);
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cache->nextLine = 0;
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cache->rightOffset = 0;
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}
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static void logoLineCachePush(const FFstrbuf* chars, uint32_t width, FFLogoLineCacheState* cache) {
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FFLogoCachedLine* line = FF_LIST_ADD(FFLogoCachedLine, cache->lines);
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if (width > 0) {
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ffStrbufInitCopy(&line->chars, chars);
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} else {
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ffStrbufInit(&line->chars);
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}
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line->width = width;
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}
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static void logoLineCacheBuild(const char* data, bool doColorReplacement) {
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FFOptionsLogo* options = &instance.config.logo;
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bool left = options->position == FF_LOGO_POSITION_LEFT;
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bool right = options->position == FF_LOGO_POSITION_RIGHT;
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bool keepCarryColor = options->type != FF_LOGO_TYPE_IMAGE_CHAFA;
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FFLogoLineCacheState* cache = &instance.state.logoLineCache;
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logoLineCacheClear(cache);
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uint32_t maxLineWidth = 0;
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uint32_t parsedHeight = 0;
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FF_STRBUF_AUTO_DESTROY carryColor = ffStrbufCreate();
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if (keepCarryColor && doColorReplacement && !instance.config.display.pipe) {
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ffStrbufSetF(&carryColor, "\e[%sm", options->colors[0].chars);
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}
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for (uint32_t i = 0; i < options->paddingTop; ++i) {
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logoLineCachePush(NULL, 0, cache);
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}
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if (*data != '\0') {
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while (true) {
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FF_STRBUF_AUTO_DESTROY line = ffStrbufCreateA(256);
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uint32_t lineWidth = 0;
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if (!instance.config.display.pipe && instance.config.display.brightColor) {
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ffStrbufAppendS(&line, FASTFETCH_TEXT_MODIFIER_BOLT);
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}
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if (keepCarryColor && carryColor.length > 0) {
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ffStrbufAppend(&line, &carryColor);
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}
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if (left && options->paddingLeft > 0) {
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ffStrbufAppendNC(&line, options->paddingLeft, ' ');
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lineWidth += options->paddingLeft;
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}
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while (*data != '\0' && *data != '\n' && !(*data == '\r' && *(data + 1) == '\n')) {
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if (*data == '\t') {
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ffStrbufAppendNC(&line, 4, ' ');
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lineWidth += 4;
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++data;
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continue;
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}
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if (*data == '\e' && *(data + 1) == '[') {
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const char* start = data;
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data += 2;
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while (ffCharIsDigit(*data) || *data == ';') {
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++data;
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}
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if (isascii(*data)) {
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++data;
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uint32_t escLen = (uint32_t) (data - start);
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ffStrbufAppendNS(&line, escLen, start);
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if (keepCarryColor && start[escLen - 1] == 'm') {
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ffStrbufSetNS(&carryColor, escLen, start);
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}
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continue;
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}
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lineWidth += (uint32_t) (data - start - 1);
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}
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if (doColorReplacement && *data == '$') {
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++data;
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if (*data == '$' || *data == '\0') {
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ffStrbufAppendC(&line, '$');
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++lineWidth;
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++data;
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continue;
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}
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if (!instance.config.display.pipe) {
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int index = *data - '1';
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if (index >= 0 && index < FASTFETCH_LOGO_MAX_COLORS) {
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if (keepCarryColor) {
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ffStrbufSetF(&carryColor, "\e[%sm", options->colors[index].chars);
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ffStrbufAppend(&line, &carryColor);
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} else {
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ffStrbufAppendF(&line, "\e[%sm", options->colors[index].chars);
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}
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++data;
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continue;
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}
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ffStrbufAppendC(&line, '$');
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++lineWidth;
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} else {
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++data;
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continue;
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}
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}
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++lineWidth;
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int codepoint = (unsigned char) *data;
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uint8_t bytes;
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if (codepoint <= 127) {
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bytes = 1;
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} else if ((codepoint & 0xE0) == 0xC0) {
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bytes = 2;
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} else if ((codepoint & 0xF0) == 0xE0) {
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bytes = 3;
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} else if ((codepoint & 0xF8) == 0xF0) {
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bytes = 4;
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} else {
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bytes = 1;
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}
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for (uint8_t i = 0; i < bytes; ++i) {
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if (*data == '\0') {
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break;
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}
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ffStrbufAppendC(&line, *data);
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++data;
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}
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}
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logoLineCachePush(&line, lineWidth, cache);
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if (lineWidth > maxLineWidth) {
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maxLineWidth = lineWidth;
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}
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if (*data == '\n' || (*data == '\r' && *(data + 1) == '\n')) {
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if (*data == '\r') {
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++data;
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}
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++data;
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++parsedHeight;
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continue;
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}
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break;
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}
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}
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if (options->type != FF_LOGO_TYPE_IMAGE_CHAFA && options->height > parsedHeight) {
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parsedHeight = options->height;
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}
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instance.state.logoHeight = options->paddingTop + parsedHeight;
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if (left) {
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instance.state.logoWidth = maxLineWidth + options->paddingRight;
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} else if (right) {
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instance.state.logoWidth = 0;
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}
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uint32_t totalLines = instance.state.logoHeight + 1;
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while (cache->lines.length < totalLines) {
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logoLineCachePush(NULL, 0, cache);
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}
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cache->nextLine = 0;
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cache->rightOffset = maxLineWidth + options->paddingRight - 1;
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}
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static bool ffLogoPrintCharsRaw(const char* data, size_t length, bool printError) {
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FFOptionsLogo* options = &instance.config.logo;
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FF_STRBUF_AUTO_DESTROY buf = ffStrbufCreate();
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@@ -249,6 +439,11 @@ static uint32_t logoAppendChars(const char* data, bool doColorReplacement, FFstr
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void ffLogoPrintChars(const char* data, bool doColorReplacement) {
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FFOptionsLogo* options = &instance.config.logo;
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if (options->position == FF_LOGO_POSITION_LEFT || options->position == FF_LOGO_POSITION_RIGHT) {
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logoLineCacheBuild(data, doColorReplacement);
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return;
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}
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if (options->position == FF_LOGO_POSITION_RIGHT) {
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logoAppendChars(data, doColorReplacement, NULL);
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}
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@@ -557,7 +752,7 @@ static bool logoTryKnownType(void) {
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if (options->type == FF_LOGO_TYPE_COMMAND_RAW) {
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FF_STRBUF_AUTO_DESTROY source = ffStrbufCreate();
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const char* error = ffProcessAppendStdOut(&source, (char* const[]) {
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const char* error = ffProcessAppendStdOut(&source, (char* const[]){
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#ifdef _WIN32
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"cmd.exe", "/c",
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#else
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@@ -684,8 +879,33 @@ void ffLogoPrint(void) {
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}
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void ffLogoPrintLine(void) {
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uint32_t printedLineWidth = 0;
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FFLogoLineCacheState* cache = &instance.state.logoLineCache;
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FFOptionsLogo* logo = &instance.config.logo;
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if (cache->lines.length > 0 && (logo->position == FF_LOGO_POSITION_LEFT || logo->position == FF_LOGO_POSITION_RIGHT) && cache->nextLine < cache->lines.length) {
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FFLogoCachedLine* line = FF_LIST_GET(FFLogoCachedLine, cache->lines, cache->nextLine);
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if (logo->position == FF_LOGO_POSITION_RIGHT && line->chars.length > 0) {
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printf("\033[9999999C\033[%uD", cache->rightOffset);
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ffStrbufWriteTo(&line->chars, stdout);
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fputs("\033[G", stdout);
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} else {
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ffStrbufWriteTo(&line->chars, stdout);
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printedLineWidth = line->width;
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}
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++cache->nextLine;
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}
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if (instance.state.logoWidth > 0) {
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printf("\033[%uC", instance.state.logoWidth);
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if (instance.config.logo.position == FF_LOGO_POSITION_LEFT) {
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uint32_t remaining = instance.state.logoWidth;
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remaining = printedLineWidth < remaining ? remaining - printedLineWidth : 0;
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ffPrintCharTimes(' ', remaining);
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} else {
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printf("\033[%uC", instance.state.logoWidth);
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}
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}
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if (instance.state.dynamicInterval > 0) {
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@@ -696,6 +916,30 @@ void ffLogoPrintLine(void) {
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}
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void ffLogoPrintRemaining(void) {
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FFLogoLineCacheState* cache = &instance.state.logoLineCache;
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FFOptionsLogo* logo = &instance.config.logo;
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if (cache->lines.length > 0 && (logo->position == FF_LOGO_POSITION_LEFT || logo->position == FF_LOGO_POSITION_RIGHT)) {
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while (cache->nextLine < cache->lines.length) {
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FFLogoCachedLine* line = FF_LIST_GET(FFLogoCachedLine, cache->lines, cache->nextLine);
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if (logo->position == FF_LOGO_POSITION_RIGHT) {
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printf("\033[9999999C\033[%uD", cache->rightOffset);
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}
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ffStrbufPutTo(&line->chars, stdout);
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++cache->nextLine;
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}
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if (!instance.config.display.pipe) {
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fputs(FASTFETCH_TEXT_MODIFIER_RESET, stdout);
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}
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instance.state.keysHeight = instance.state.logoHeight + 1;
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logoLineCacheClear(cache);
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return;
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}
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if (instance.state.keysHeight <= instance.state.logoHeight) {
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ffPrintCharTimes('\n', instance.state.logoHeight - instance.state.keysHeight + 1);
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}
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