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clang-format

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Caleb Connolly 2022-07-05 15:00:53 +01:00
parent 4410f12762
commit 86b7c8f1c3
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3 changed files with 411 additions and 288 deletions
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119
.clang-format Normal file
View file

@ -0,0 +1,119 @@
#
# clang-format configuration file.
#
# For more information, see:
#
# Documentation/process/clang-format.rst
# https://clang.llvm.org/docs/ClangFormat.html
# https://clang.llvm.org/docs/ClangFormatStyleOptions.html
#
# Copied from Linux @ 5.18.0
---
AccessModifierOffset: -4
AlignAfterOpenBracket: Align
AlignConsecutiveAssignments: false
AlignConsecutiveDeclarations: false
AlignConsecutiveMacros: AcrossEmptyLines
#AlignEscapedNewlines: Left # Unknown to clang-format-4.0
AlignOperands: true
AlignTrailingComments: false
AllowAllParametersOfDeclarationOnNextLine: false
AllowShortBlocksOnASingleLine: false
AllowShortCaseLabelsOnASingleLine: false
AllowShortFunctionsOnASingleLine: None
AllowShortIfStatementsOnASingleLine: false
AllowShortLoopsOnASingleLine: false
AlwaysBreakAfterDefinitionReturnType: None
AlwaysBreakAfterReturnType: None
AlwaysBreakBeforeMultilineStrings: false
AlwaysBreakTemplateDeclarations: false
BinPackArguments: true
BinPackParameters: true
BraceWrapping:
AfterClass: false
AfterControlStatement: false
AfterEnum: false
AfterFunction: true
AfterNamespace: true
AfterObjCDeclaration: false
AfterStruct: false
AfterUnion: false
#AfterExternBlock: false # Unknown to clang-format-5.0
BeforeCatch: false
BeforeElse: false
IndentBraces: false
#SplitEmptyFunction: true # Unknown to clang-format-4.0
#SplitEmptyRecord: true # Unknown to clang-format-4.0
#SplitEmptyNamespace: true # Unknown to clang-format-4.0
BreakBeforeBinaryOperators: None
BreakBeforeBraces: Custom
#BreakBeforeInheritanceComma: false # Unknown to clang-format-4.0
BreakBeforeTernaryOperators: false
BreakConstructorInitializersBeforeComma: false
#BreakConstructorInitializers: BeforeComma # Unknown to clang-format-4.0
BreakAfterJavaFieldAnnotations: false
BreakStringLiterals: false
ColumnLimit: 80
CommentPragmas: '^ IWYU pragma:'
#CompactNamespaces: false # Unknown to clang-format-4.0
ConstructorInitializerAllOnOneLineOrOnePerLine: false
ConstructorInitializerIndentWidth: 8
ContinuationIndentWidth: 8
Cpp11BracedListStyle: false
DerivePointerAlignment: false
DisableFormat: false
ExperimentalAutoDetectBinPacking: false
#FixNamespaceComments: false # Unknown to clang-format-4.0
IncludeBlocks: Preserve
IncludeCategories:
- Regex: '.*'
Priority: 1
IncludeIsMainRegex: '(Test)?$'
IndentCaseLabels: false
#IndentPPDirectives: None # Unknown to clang-format-5.0
IndentWidth: 8
IndentWrappedFunctionNames: false
JavaScriptQuotes: Leave
JavaScriptWrapImports: true
KeepEmptyLinesAtTheStartOfBlocks: false
MacroBlockBegin: ''
MacroBlockEnd: ''
MaxEmptyLinesToKeep: 1
NamespaceIndentation: None
#ObjCBinPackProtocolList: Auto # Unknown to clang-format-5.0
ObjCBlockIndentWidth: 8
ObjCSpaceAfterProperty: true
ObjCSpaceBeforeProtocolList: true
# Taken from git's rules
#PenaltyBreakAssignment: 10 # Unknown to clang-format-4.0
PenaltyBreakBeforeFirstCallParameter: 30
PenaltyBreakComment: 10
PenaltyBreakFirstLessLess: 0
PenaltyBreakString: 10
PenaltyExcessCharacter: 100
PenaltyReturnTypeOnItsOwnLine: 60
PointerAlignment: Right
ReflowComments: false
SortIncludes: false
#SortUsingDeclarations: false # Unknown to clang-format-4.0
SpaceAfterCStyleCast: false
SpaceAfterTemplateKeyword: true
SpaceBeforeAssignmentOperators: true
#SpaceBeforeCtorInitializerColon: true # Unknown to clang-format-5.0
#SpaceBeforeInheritanceColon: true # Unknown to clang-format-5.0
SpaceBeforeParens: ControlStatements
#SpaceBeforeRangeBasedForLoopColon: true # Unknown to clang-format-5.0
SpaceInEmptyParentheses: false
SpacesBeforeTrailingComments: 1
SpacesInAngles: false
SpacesInContainerLiterals: false
SpacesInCStyleCastParentheses: false
SpacesInParentheses: false
SpacesInSquareBrackets: false
Standard: Cpp03
TabWidth: 8
UseTab: Always
...

9
src/animate.c
View file

@ -12,7 +12,8 @@ struct col color = {.r = 255, .g = 255, .b = 255, .a = 255};
#define speed 3 #define speed 3
void circles_wave(int frame, int w, int y_off, long dpi) { void circles_wave(int frame, int w, int y_off, long dpi)
{
unsigned int t_col = tfb_make_color(color.r, color.g, color.b); unsigned int t_col = tfb_make_color(color.r, color.g, color.b);
int f = frame * speed; int f = frame * speed;
@ -21,12 +22,12 @@ void circles_wave(int frame, int w, int y_off, long dpi) {
int amplitude = rad * 2; int amplitude = rad * 2;
int left = (w / 2) - (dist * (n_circles - 1) / 2.0); int left = (w / 2) - (dist * (n_circles - 1) / 2.0);
for (unsigned int i = 0; i < n_circles; i++) for (unsigned int i = 0; i < n_circles; i++) {
{
int x = left + (i * dist); int x = left + (i * dist);
double offset = sin(f / 60.0 * PI + i); double offset = sin(f / 60.0 * PI + i);
int y = y_off + offset * amplitude; int y = y_off + offset * amplitude;
tfb_fill_rect(x - rad- 1, y_off - amplitude - rad, rad* 2 + 2, 400 +rad* 2, tfb_black); tfb_fill_rect(x - rad - 1, y_off - amplitude - rad, rad * 2 + 2,
400 + rad * 2, tfb_black);
tfb_fill_circle(x, y, rad, t_col); tfb_fill_circle(x, y, rad, t_col);
} }
} }

151
src/pbsplash.c
View file

@ -37,14 +37,14 @@ bool debug = false;
struct col background_color = { .r = 0, .g = 0, .b = 0, .a = 255 }; struct col background_color = { .r = 0, .g = 0, .b = 0, .a = 255 };
#define LOG(fmt, ...) \ #define LOG(fmt, ...) \
do \ do { \
{ \
if (debug) \ if (debug) \
fprintf(stdout, fmt, ##__VA_ARGS__); \ printf(fmt, ##__VA_ARGS__); \
} while (0) } while (0)
int usage() int usage()
{ {
// clang-format off
fprintf(stderr, "pbsplash: postmarketOS bootsplash generator\n"); fprintf(stderr, "pbsplash: postmarketOS bootsplash generator\n");
fprintf(stderr, "-------------------------------------------\n"); fprintf(stderr, "-------------------------------------------\n");
fprintf(stderr, "pbsplash [-h] [-d] [-f font] [-s splash image] [-m message]\n\n"); fprintf(stderr, "pbsplash [-h] [-d] [-f font] [-s splash image] [-m message]\n\n");
@ -55,6 +55,7 @@ int usage()
fprintf(stderr, " -m message to show under the splash image\n"); fprintf(stderr, " -m message to show under the splash image\n");
fprintf(stderr, " -p font size in pt (default: %d)\n", FONT_SIZE_PT); fprintf(stderr, " -p font size in pt (default: %d)\n", FONT_SIZE_PT);
fprintf(stderr, " -d custom DPI (for testing)\n"); fprintf(stderr, " -d custom DPI (for testing)\n");
// clang-format on
return 1; return 1;
} }
@ -64,32 +65,40 @@ void term(int signum)
terminate = 1; terminate = 1;
} }
static void blit_buf(unsigned char *buf, int x, int y, int w, int h, bool vflip, bool redraw) static void blit_buf(unsigned char *buf, int x, int y, int w, int h, bool vflip,
bool redraw)
{ {
struct col prev_col = { .r = 0, .g = 0, .b = 0, .a = 0 }; struct col prev_col = { .r = 0, .g = 0, .b = 0, .a = 0 };
unsigned int col = tfb_make_color(background_color.r, background_color.g, background_color.b); unsigned int col = tfb_make_color(
background_color.r, background_color.g, background_color.b);
for (size_t i = 0; i < w; i++) for (size_t i = 0; i < w; i++) {
{ for (size_t j = 0; j < h; j++) {
for (size_t j = 0; j < h; j++)
{
#if DEBUGRENDER == 1 #if DEBUGRENDER == 1
if (i == 0 || i == w - 1 || j == 0 || j == h - 1) if (i == 0 || i == w - 1 || j == 0 || j == h - 1) {
{
tfb_draw_pixel(x + i, y + h - j, tfb_red); tfb_draw_pixel(x + i, y + h - j, tfb_red);
continue; continue;
} }
#endif #endif
struct col rgba = *(struct col *)(buf + (j * w + i) * 4); struct col rgba =
*(struct col *)(buf + (j * w + i) * 4);
if (rgba.a == 0 || rgba.rgba == background_color.rgba) if (rgba.a == 0 || rgba.rgba == background_color.rgba)
continue; continue;
// Alpha blending // Alpha blending
if (rgba.a != 255) if (rgba.a != 255) {
{ rgba.r =
rgba.r = (rgba.r * rgba.a + background_color.r * (255 - rgba.a)) >> 8; (rgba.r * rgba.a +
rgba.g = (rgba.g * rgba.a + background_color.g * (255 - rgba.a)) >> 8; background_color.r * (255 - rgba.a)) >>
rgba.b = (rgba.b * rgba.a + background_color.b * (255 - rgba.a)) >> 8; 8;
rgba.g =
(rgba.g * rgba.a +
background_color.g * (255 - rgba.a)) >>
8;
rgba.b =
(rgba.b * rgba.a +
background_color.b * (255 - rgba.a)) >>
8;
} }
// No need to generate the colour again if it's the same as the previous one // No need to generate the colour again if it's the same as the previous one
@ -119,7 +128,8 @@ static void draw_svg(NSVGimage *image, int x, int y, int w, int h)
nsvgDeleteRasterizer(rast); nsvgDeleteRasterizer(rast);
} }
static void draw_text(NSVGimage *font, char *text, int x, int y, int width, int height, float scale, unsigned int tfb_col) static void draw_text(NSVGimage *font, char *text, int x, int y, int width,
int height, float scale, unsigned int tfb_col)
{ {
LOG("text '%s': fontsz=%f, x=%d, y=%d, dimensions: %d x %d\n", text, LOG("text '%s': fontsz=%f, x=%d, y=%d, dimensions: %d x %d\n", text,
scale, x, y, width, height); scale, x, y, width, height);
@ -127,7 +137,8 @@ static void draw_text(NSVGimage *font, char *text, int x, int y, int width, int
unsigned char *img = malloc(width * height * 4); unsigned char *img = malloc(width * height * 4);
NSVGrasterizer *rast = nsvgCreateRasterizer(); NSVGrasterizer *rast = nsvgCreateRasterizer();
nsvgRasterizeText(rast, font, 0, 0, scale, img, width, height, width * 4, text); nsvgRasterizeText(rast, font, 0, 0, scale, img, width, height,
width * 4, text);
blit_buf(img, x, y, width, height, true, false); blit_buf(img, x, y, width, height, true, false);
@ -140,7 +151,8 @@ static void draw_text(NSVGimage *font, char *text, int x, int y, int width, int
* Get the dimensions of a string in pixels. * Get the dimensions of a string in pixels.
* based on the font size and the font SVG file. * based on the font size and the font SVG file.
*/ */
static void getTextDimensions(NSVGimage *font, char *text, float scale, int *width, int *height) static void getTextDimensions(NSVGimage *font, char *text, float scale,
int *width, int *height)
{ {
int i = 0; int i = 0;
@ -152,15 +164,11 @@ static void getTextDimensions(NSVGimage *font, char *text, float scale, int *wid
NSVGshape **shapes = nsvgGetTextShapes(font, text, strlen(text)); NSVGshape **shapes = nsvgGetTextShapes(font, text, strlen(text));
// Iterate over every glyph in the string to get the total width // Iterate over every glyph in the string to get the total width
for (i = 0; i < strlen(text); i++) for (i = 0; i < strlen(text); i++) {
{
NSVGshape *shape = shapes[i]; NSVGshape *shape = shapes[i];
if (shape) if (shape) {
{
*width += (float)shapes[i]->horizAdvX * scale + 0.5; *width += (float)shapes[i]->horizAdvX * scale + 0.5;
} } else {
else
{
*width += font->defaultHorizAdv * scale; *width += font->defaultHorizAdv * scale;
} }
} }
@ -190,11 +198,9 @@ int main(int argc, char **argv)
sigaction(SIGTERM, &action, NULL); sigaction(SIGTERM, &action, NULL);
sigaction(SIGINT, &action, NULL); sigaction(SIGINT, &action, NULL);
while ((optflag = getopt(argc, argv, "hvf:s:m:p:d:")) != -1) while ((optflag = getopt(argc, argv, "hvf:s:m:p:d:")) != -1) {
{
char *end = NULL; char *end = NULL;
switch (optflag) switch (optflag) {
{
case 'h': case 'h':
return usage(); return usage();
case 'v': case 'v':
@ -211,22 +217,21 @@ int main(int argc, char **argv)
break; break;
case 'p': case 'p':
font_size = strtof(optarg, &end); font_size = strtof(optarg, &end);
if (end == optarg) if (end == optarg) {
{ fprintf(stderr, "Invalid font size: %s\n",
fprintf(stderr, "Invalid font size: %s\n", optarg); optarg);
return usage(); return usage();
} }
break; break;
case 'd': case 'd':
if (!optarg) if (!optarg) {
{
fprintf(stderr, "--dpi requires an argument\n"); fprintf(stderr, "--dpi requires an argument\n");
return usage(); return usage();
} }
dpi = strtol(optarg, &end, 10); dpi = strtol(optarg, &end, 10);
if (end == optarg) if (end == optarg) {
{ fprintf(stderr, "Invalid font size: %s\n",
fprintf(stderr, "Invalid font size: %s\n", optarg); optarg);
return usage(); return usage();
} }
break; break;
@ -239,8 +244,7 @@ int main(int argc, char **argv)
FILE *fp = fopen("/sys/devices/virtual/tty/tty0/active", "r"); FILE *fp = fopen("/sys/devices/virtual/tty/tty0/active", "r");
int len = strlen(active_tty); int len = strlen(active_tty);
char *ptr = active_tty + len; char *ptr = active_tty + len;
if (fp != NULL) if (fp != NULL) {
{
fgets(ptr, TTY_PATH_LEN - len, fp); fgets(ptr, TTY_PATH_LEN - len, fp);
*(ptr + strlen(ptr) - 1) = '\0'; *(ptr + strlen(ptr) - 1) = '\0';
fclose(fp); fclose(fp);
@ -249,9 +253,10 @@ int main(int argc, char **argv)
LOG("active tty: '%s'\n", active_tty); LOG("active tty: '%s'\n", active_tty);
if ((rc = tfb_acquire_fb(/*TFB_FL_USE_DOUBLE_BUFFER*/ 0, "/dev/fb0", active_tty)) != TFB_SUCCESS) if ((rc = tfb_acquire_fb(/*TFB_FL_USE_DOUBLE_BUFFER*/ 0, "/dev/fb0",
{ active_tty)) != TFB_SUCCESS) {
fprintf(stderr, "tfb_acquire_fb() failed with error code: %d\n", rc); fprintf(stderr, "tfb_acquire_fb() failed with error code: %d\n",
rc);
rc = 1; rc = 1;
return rc; return rc;
} }
@ -263,43 +268,40 @@ int main(int argc, char **argv)
int h_mm = tfb_screen_height_mm(); int h_mm = tfb_screen_height_mm();
// If DPI is specified on cmdline then calculate display size from it // If DPI is specified on cmdline then calculate display size from it
// otherwise calculate the dpi based on the display size. // otherwise calculate the dpi based on the display size.
if (dpi > 0) if (dpi > 0) {
{
w_mm = w / (float)dpi * 25.4; w_mm = w / (float)dpi * 25.4;
h_mm = h / (float)dpi * 25.4; h_mm = h / (float)dpi * 25.4;
} } else {
else
{
dpi = (float)w / (float)w_mm * 25.4; dpi = (float)w / (float)w_mm * 25.4;
} }
int pixels_per_milli = (float)w / (float)w_mm; int pixels_per_milli = (float)w / (float)w_mm;
float logo_size_px = (float)(w < h ? w : h) * 0.75f; float logo_size_px = (float)(w < h ? w : h) * 0.75f;
if (w_mm > 0 && h_mm > 0) if (w_mm > 0 && h_mm > 0) {
{ if (w_mm < h_mm) {
if (w_mm < h_mm)
{
if (w_mm > (float)LOGO_SIZE_MAX_MM * 1.2f) if (w_mm > (float)LOGO_SIZE_MAX_MM * 1.2f)
logo_size_px = (float)LOGO_SIZE_MAX_MM * pixels_per_milli; logo_size_px = (float)LOGO_SIZE_MAX_MM *
} pixels_per_milli;
else } else {
{
if (h_mm > (float)LOGO_SIZE_MAX_MM * 1.2f) if (h_mm > (float)LOGO_SIZE_MAX_MM * 1.2f)
logo_size_px = (float)LOGO_SIZE_MAX_MM * pixels_per_milli; logo_size_px = (float)LOGO_SIZE_MAX_MM *
pixels_per_milli;
} }
} }
LOG("%dx%d @ %dx%dmm, dpi=%ld, logo_size_px=%f\n", w, h, w_mm, h_mm, dpi, logo_size_px); LOG("%dx%d @ %dx%dmm, dpi=%ld, logo_size_px=%f\n", w, h, w_mm, h_mm,
dpi, logo_size_px);
image = nsvgParseFromFile(splash_image, "", logo_size_px); image = nsvgParseFromFile(splash_image, "", logo_size_px);
if (!image) if (!image) {
{
fprintf(stderr, "failed to load SVG image\n"); fprintf(stderr, "failed to load SVG image\n");
rc = 1; rc = 1;
goto out; goto out;
} }
float sz = (float)logo_size_px / (image->width > image->height ? image->width : image->height); float sz =
(float)logo_size_px /
(image->width > image->height ? image->width : image->height);
int image_w = image->width * sz + 0.5; int image_w = image->width * sz + 0.5;
int image_h = image->height * sz + 0.5; int image_h = image->height * sz + 0.5;
float x = (float)w / 2; float x = (float)w / 2;
@ -308,30 +310,33 @@ int main(int argc, char **argv)
x -= image_w * 0.5f; x -= image_w * 0.5f;
y -= image_h * 0.5f; y -= image_h * 0.5f;
tfb_clear_screen(tfb_make_color(background_color.r, background_color.g, background_color.b)); tfb_clear_screen(tfb_make_color(background_color.r, background_color.g,
background_color.b));
draw_svg(image, x, y, image_w, image_h); draw_svg(image, x, y, image_w, image_h);
if (message) if (message) {
{
int textWidth, textHeight; int textWidth, textHeight;
font = nsvgParseFromFile(font_path, "px", 512); font = nsvgParseFromFile(font_path, "px", 512);
if (!font || !font->shapes) if (!font || !font->shapes) {
{
fprintf(stderr, "failed to load SVG font\n"); fprintf(stderr, "failed to load SVG font\n");
rc = 1; rc = 1;
goto out; goto out;
} }
float fontsz = ((float)font_size * PT_TO_MM) / (font->fontAscent - font->fontDescent) * pixels_per_milli; float fontsz = ((float)font_size * PT_TO_MM) /
(font->fontAscent - font->fontDescent) *
pixels_per_milli;
getTextDimensions(font, message, fontsz, &textWidth, &textHeight); getTextDimensions(font, message, fontsz, &textWidth,
&textHeight);
int tx = w / 2.f - textWidth / 2.f; int tx = w / 2.f - textWidth / 2.f;
int ty = y + image_h + textHeight * 0.5f + MM_TO_PX(dpi, 2); int ty = y + image_h + textHeight * 0.5f + MM_TO_PX(dpi, 2);
draw_text(font, message, tx, ty, textWidth, textHeight, fontsz, tfb_gray); draw_text(font, message, tx, ty, textWidth, textHeight, fontsz,
tfb_gray);
} }
tfb_flush_window(); tfb_flush_window();
@ -340,14 +345,12 @@ int main(int argc, char **argv)
int frame = 0; int frame = 0;
int tty = open(active_tty, O_RDWR); int tty = open(active_tty, O_RDWR);
int tty_mode = 0; int tty_mode = 0;
while (!terminate) while (!terminate) {
{
animate_frame(frame++, w, h, dpi); animate_frame(frame++, w, h, dpi);
tfb_flush_fb(); tfb_flush_fb();
ioctl(tty, KDGETMODE, &tty_mode); ioctl(tty, KDGETMODE, &tty_mode);
// Login started and has reset the TTY back to text mode // Login started and has reset the TTY back to text mode
if (tty_mode == KD_TEXT) if (tty_mode == KD_TEXT) {
{
// tfb_flush_window(); // tfb_flush_window();
draw_svg(image, x, y, image_w, image_h); draw_svg(image, x, y, image_w, image_h);
goto out; goto out;