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commit 42ad59f700932298c5d6441054ca7d6d7590a9e1 Author: Cyril Hrubis metan@ucw.cz Date: Thu Dec 1 23:32:47 2011 +0100

filters: initial support for histograms.

diff --git a/demos/grinder/Makefile b/demos/grinder/Makefile index a984bd9..377d008 100644 --- a/demos/grinder/Makefile +++ b/demos/grinder/Makefile @@ -7,7 +7,7 @@ LDLIBS+=-lGP -L$(TOPDIR)/build/

APPS=grinder

-grinder: params.o +grinder: params.o histogram.o

include $(TOPDIR)/include.mk include $(TOPDIR)/app.mk diff --git a/demos/grinder/grinder.c b/demos/grinder/grinder.c index f9a0675..4df4004 100644 --- a/demos/grinder/grinder.c +++ b/demos/grinder/grinder.c @@ -28,6 +28,7 @@ #include "GP.h"

#include "params.h" +#include "histogram.h"

static GP_ProgressCallback *progress_callback = NULL;

@@ -629,6 +630,29 @@ static GP_RetCode arithmetic(GP_Context **c, const char *params) return GP_ESUCCESS; }

+/* histogram */ + +static struct param histogram_params[] = { + {"file", PARAM_STR, "Filename of image to use.", NULL, NULL}, + {NULL, 0, NULL, NULL, NULL} +}; + +static GP_RetCode histogram(GP_Context **c, const char *params) +{ + char *file = "histogram.png"; + + if (param_parse(params, histogram_params, "histogram", param_err, &file)) + return GP_EINVAL; + + if (file == NULL) { + print_error("histogram: Filename missing"); + return GP_EINVAL; + } + + histogram_to_png(*c, file); + return GP_ESUCCESS; +} + /* filters */

struct filter { @@ -650,6 +674,7 @@ static struct filter filter_table[] = { {"blur", "gaussian blur", blur_params, blur}, {"dither", "dithers bitmap", dither_params, dither}, {"arithmetic", "arithmetic operation", arithmetic_params, arithmetic}, + {"histogram", "save histogram into image file", histogram_params, histogram}, {"jpg", "save jpg image", save_jpg_params, save_jpg}, {"png", "save png image", save_png_params, save_png}, {NULL, NULL, NULL, NULL} diff --git a/include/filters/GP_Filters.h b/demos/grinder/histogram.c similarity index 52% copy from include/filters/GP_Filters.h copy to demos/grinder/histogram.c index 5bd60a8..24fc9a7 100644 --- a/include/filters/GP_Filters.h +++ b/demos/grinder/histogram.c @@ -16,41 +16,66 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * - * Copyright (C) 2009-2010 Jiri "BlueBear" Dluhos * - * jiri.bluebear.dluhos@gmail.com * - * * * Copyright (C) 2009-2011 Cyril Hrubis metan@ucw.cz * * * *****************************************************************************/

-/* +#include "histogram.h"

- GP_Context filters. +void histogram_to_png(const GP_Context *src, const char *filename) +{ + GP_FILTER_PARAMS(src->pixel_type, params); + + GP_FilterHistogramAlloc(src->pixel_type, params); + GP_FilterHistogram(src, params, NULL);

- */ + unsigned int i, j;

-#ifndef GP_FILTERS_H -#define GP_FILTERS_H + GP_Context *res = GP_ContextAlloc(257*4, 256, GP_PIXEL_RGB888); + + GP_Fill(res, 0xffffff);

-/* Filter per channel parameter passing interface */ -#include "filters/GP_FilterParam.h" + GP_Histogram *hist_r; + hist_r = (GP_FilterParamChannel(params, "R"))->val.ptr; + + for (i = 0; i < hist_r->len; i++) + GP_VLineXYH(res, i, 256, -255.00 * hist_r->hist[i] / hist_r->max + 0.5 , 0xff0000); + + GP_Histogram *hist_g; + hist_g = (GP_FilterParamChannel(params, "G"))->val.ptr; + + for (i = 0; i < hist_g->len; i++) + GP_VLineXYH(res, i+257, 256, -255.00 * hist_g->hist[i] / hist_g->max + 0.5 , 0x00ff00); + + GP_Histogram *hist_b; + hist_b = (GP_FilterParamChannel(params, "B"))->val.ptr; + + for (i = 0; i < hist_b->len; i++) + GP_VLineXYH(res, i+514, 256, -255.00 * hist_b->hist[i] / hist_b->max + 0.5 , 0x0000ff);

-/* Image rotations (90 180 270 grads) and mirroring */ -#include "filters/GP_Rotate.h" + uint32_t max = GP_MAX(hist_r->max, hist_g->max);

-/* Point filters, brightness, contrast ... */ -#include "filters/GP_Point.h" + max = GP_MAX(max, hist_b->max);

-/* Addition, difference, min, max ... */ -#include "filters/GP_Arithmetic.h" + for (i = 0; i < hist_r->len; i++) { + for (j = 0; j < hist_r->len; j++) { + GP_Pixel pix = 0; + + if (255 * hist_r->hist[i] / max + 0.5 > j) + pix |= 0xff0000; + + if (255 * hist_g->hist[i] / max + 0.5 > j) + pix |= 0x00ff00;

-/* Linear convolution based filters (mostly blurs) */ -#include "filters/GP_Linear.h" + if (255 * hist_b->hist[i] / max + 0.5 > j) + pix |= 0x0000ff;

-/* Image scaling (resampling) */ -#include "filters/GP_Resize.h" + GP_PutPixel(res, i+771, 256-j, pix); + } + }

-/* Bitmap dithering */ -#include "filters/GP_Dither.h" + GP_SavePNG(filename, res, NULL);

-#endif /* GP_FILTERS_H */ + GP_ContextFree(res); + GP_FilterHistogramFree(params); +} diff --git a/include/filters/GP_Filters.h b/demos/grinder/histogram.h similarity index 65% copy from include/filters/GP_Filters.h copy to demos/grinder/histogram.h index 5bd60a8..d6fdb4e 100644 --- a/include/filters/GP_Filters.h +++ b/demos/grinder/histogram.h @@ -16,41 +16,15 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * - * Copyright (C) 2009-2010 Jiri "BlueBear" Dluhos * - * jiri.bluebear.dluhos@gmail.com * - * * * Copyright (C) 2009-2011 Cyril Hrubis metan@ucw.cz * * * *****************************************************************************/

-/* - - GP_Context filters. - - */ - -#ifndef GP_FILTERS_H -#define GP_FILTERS_H - -/* Filter per channel parameter passing interface */ -#include "filters/GP_FilterParam.h" - -/* Image rotations (90 180 270 grads) and mirroring */ -#include "filters/GP_Rotate.h" - -/* Point filters, brightness, contrast ... */ -#include "filters/GP_Point.h" - -/* Addition, difference, min, max ... */ -#include "filters/GP_Arithmetic.h" - -/* Linear convolution based filters (mostly blurs) */ -#include "filters/GP_Linear.h" +#ifndef HISTOGRAM_H +#define HISTOGRAM_H

-/* Image scaling (resampling) */ -#include "filters/GP_Resize.h" +#include <GP.h>

-/* Bitmap dithering */ -#include "filters/GP_Dither.h" +void histogram_to_png(const GP_Context *src, const char *filename);

-#endif /* GP_FILTERS_H */ +#endif /* HISTOGRAM_H */ diff --git a/include/filters/GP_FilterParam.h b/include/filters/GP_FilterParam.h index f997ed5..892f166 100644 --- a/include/filters/GP_FilterParam.h +++ b/include/filters/GP_FilterParam.h @@ -132,6 +132,10 @@ void GP_FilterParamSetUIntAll(GP_FilterParam params[], */ void GP_FilterParamSetPtrAll(GP_FilterParam params[], void *ptr); +/* + * Call free on all pointer values. + */ +void GP_FilterParamFreePtrAll(GP_FilterParam params[]);

/* * Functions to print the array. diff --git a/include/filters/GP_Filters.h b/include/filters/GP_Filters.h index 5bd60a8..d00a852 100644 --- a/include/filters/GP_Filters.h +++ b/include/filters/GP_Filters.h @@ -35,15 +35,18 @@ /* Filter per channel parameter passing interface */ #include "filters/GP_FilterParam.h"

-/* Image rotations (90 180 270 grads) and mirroring */ -#include "filters/GP_Rotate.h" - /* Point filters, brightness, contrast ... */ #include "filters/GP_Point.h"

/* Addition, difference, min, max ... */ #include "filters/GP_Arithmetic.h"

+/* Histograms, ... */ +#include "filters/GP_Stats.h" + +/* Image rotations (90 180 270 grads) and mirroring */ +#include "filters/GP_Rotate.h" + /* Linear convolution based filters (mostly blurs) */ #include "filters/GP_Linear.h"

diff --git a/include/filters/GP_Filters.h b/include/filters/GP_Stats.h similarity index 66% copy from include/filters/GP_Filters.h copy to include/filters/GP_Stats.h index 5bd60a8..6ad62df 100644 --- a/include/filters/GP_Filters.h +++ b/include/filters/GP_Stats.h @@ -16,41 +16,49 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * - * Copyright (C) 2009-2010 Jiri "BlueBear" Dluhos * - * jiri.bluebear.dluhos@gmail.com * - * * * Copyright (C) 2009-2011 Cyril Hrubis metan@ucw.cz * * * *****************************************************************************/

/*

- GP_Context filters. + Statistic filters.

*/

-#ifndef GP_FILTERS_H -#define GP_FILTERS_H - -/* Filter per channel parameter passing interface */ -#include "filters/GP_FilterParam.h" - -/* Image rotations (90 180 270 grads) and mirroring */ -#include "filters/GP_Rotate.h" +#ifndef FILTERS_GP_STATS_H +#define FILTERS_GP_STATS_H

-/* Point filters, brightness, contrast ... */ -#include "filters/GP_Point.h" +#include "GP_Filter.h"

-/* Addition, difference, min, max ... */ -#include "filters/GP_Arithmetic.h" +typedef struct GP_Histogram { + uint32_t min; + uint32_t max; + uint32_t len; + uint32_t hist[]; +} GP_Histogram;

-/* Linear convolution based filters (mostly blurs) */ -#include "filters/GP_Linear.h" +/* + * Histogram filter. + * + * The filter param is expected to hold pointers to struct GP_Histogram + */ +int GP_FilterHistogram(const GP_Context *src, GP_FilterParam histogram[], + GP_ProgressCallback *callback);

-/* Image scaling (resampling) */ -#include "filters/GP_Resize.h" +/* + * Allocate and initalize struct GP_Histogram for each channel and stores the + * pointer to filter params array. The pixel type must match the params[] + * channels. + */ +void GP_FilterHistogramAlloc(GP_PixelType type, GP_FilterParam params[]);

-/* Bitmap dithering */ -#include "filters/GP_Dither.h" +/* + * Free the histogram arrays. + */ +static inline void GP_FilterHistogramFree(GP_FilterParam params[]) +{ + GP_FilterParamFreePtrAll(params); +}

-#endif /* GP_FILTERS_H */ +#endif /* FILTERS_GP_STATS_H */ diff --git a/libs/filters/GP_Brightness.gen.c.t b/libs/filters/GP_Brightness.gen.c.t index b0fa776..7db0fd5 100644 --- a/libs/filters/GP_Brightness.gen.c.t +++ b/libs/filters/GP_Brightness.gen.c.t @@ -6,7 +6,7 @@ Brightness filters -- Increments color channel(s) by a fixed value.

%% block body

-{{ filter_include() }} +{{ filter_point_include() }}

%% macro filter_op(chann_name, chann_size) {{ chann_name }} = {{ chann_name }} + {{ chann_name }}_inc; diff --git a/libs/filters/GP_Contrast.gen.c.t b/libs/filters/GP_Contrast.gen.c.t index 3153db2..dda0b2d 100644 --- a/libs/filters/GP_Contrast.gen.c.t +++ b/libs/filters/GP_Contrast.gen.c.t @@ -6,7 +6,7 @@ Contrast filters -- Multiply color channel(s) by a fixed float value.

%% block body

-{{ filter_include() }} +{{ filter_point_include() }}

%% macro filter_op(chan_name, chan_size) {{ chan_name }} = {{ chan_name }} * {{ chan_name }}_mul + 0.5; diff --git a/libs/filters/GP_FilterParam.c b/libs/filters/GP_FilterParam.c index a07b3de..e968a4b 100644 --- a/libs/filters/GP_FilterParam.c +++ b/libs/filters/GP_FilterParam.c @@ -142,6 +142,14 @@ void GP_FilterParamSetPtrAll(GP_FilterParam params[], params[i].val.ptr = ptr; }

+void GP_FilterParamFreePtrAll(GP_FilterParam params[]) +{ + unsigned int i; + + for (i = 0; params[i].channel_name[0] != '0'; i++) + free(params[i].val.ptr); +} + void GP_FilterParamPrintInt(GP_FilterParam params[]) { unsigned int i; diff --git a/libs/filters/GP_Histogram.gen.c.t b/libs/filters/GP_Histogram.gen.c.t new file mode 100644 index 0000000..cd519d6 --- /dev/null +++ b/libs/filters/GP_Histogram.gen.c.t @@ -0,0 +1,25 @@ +%% extends "filter.stats.c.t" + +%% block descr +Histogram filter -- Compute image histogram. +%% endblock + +%% block body + +{{ filter_stats_include() }} + +%% macro filter_op(chan_name, chan_size) +{{ chan_name }}_hist->hist[{{ chan_name }}]++; +%% endmacro + +%% call(pt) filter_point_per_channel('Histogram', 'GP_FilterParam histogram[]', filter_op) +{{ filter_params(pt, 'histogram', 'GP_Histogram *', '_hist', 'ptr') }} +%% endcall + +%% call(ps) filter_point_per_bpp('Histogram', 'GP_FilterParam histogram[]', filter_op) +{{ filter_param(ps, 'histogram', 'GP_Histogram *', '_hist', 'ptr') }} +%% endcall + +{{ filter_functions('Histogram', 'GP_FilterParam histogram[]', 'histogram') }} + +%% endblock body diff --git a/libs/filters/GP_Invert.gen.c.t b/libs/filters/GP_Invert.gen.c.t index e6d4b24..ed4ce98 100644 --- a/libs/filters/GP_Invert.gen.c.t +++ b/libs/filters/GP_Invert.gen.c.t @@ -6,7 +6,7 @@ Invert filters -- Invert image

%% block body

-{{ filter_include() }} +{{ filter_point_include() }}

%% macro filter_op(chann_name, chann_size) {{ chann_name }} = {{ 2 ** chann_size - 1 }} - {{ chann_name }}; diff --git a/libs/filters/GP_Point.gen.c.t b/libs/filters/GP_Point.gen.c.t index bd41579..1e9af26 100644 --- a/libs/filters/GP_Point.gen.c.t +++ b/libs/filters/GP_Point.gen.c.t @@ -6,7 +6,7 @@ Point filters -- General point filter.

%% block body

-{{ filter_include() }} +{{ filter_point_include() }}

typedef uint32_t (*func)(uint32_t, uint8_t, GP_FilterParam *priv);

diff --git a/include/filters/GP_Filters.h b/libs/filters/GP_Stats.c similarity index 53% copy from include/filters/GP_Filters.h copy to libs/filters/GP_Stats.c index 5bd60a8..df65794 100644 --- a/include/filters/GP_Filters.h +++ b/libs/filters/GP_Stats.c @@ -16,41 +16,72 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * - * Copyright (C) 2009-2010 Jiri "BlueBear" Dluhos * - * jiri.bluebear.dluhos@gmail.com * - * * * Copyright (C) 2009-2011 Cyril Hrubis metan@ucw.cz * * * *****************************************************************************/

-/* +#include <string.h> + +#include <GP_Debug.h> + +#include "GP_Stats.h" + +int GP_FilterHistogram_Raw(const GP_Context *src, GP_FilterParam histogram[], + GP_ProgressCallback *callback); + +int GP_FilterHistogram(const GP_Context *src, GP_FilterParam histogram[], + GP_ProgressCallback *callback) +{ + int ret; + + ret = GP_FilterHistogram_Raw(src, histogram, callback);

- GP_Context filters. + if (ret) + return ret;

- */ + unsigned int i;

-#ifndef GP_FILTERS_H -#define GP_FILTERS_H + for (i = 0; histogram[i].channel_name[0] != '0'; i++) { + unsigned int j; + GP_Histogram *hist = histogram[i].val.ptr; + + hist->max = hist->hist[0]; + hist->min = hist->hist[0];

-/* Filter per channel parameter passing interface */ -#include "filters/GP_FilterParam.h" + for (j = 1; j < hist->len; j++) { + if (hist->hist[j] > hist->max) + hist->max = hist->hist[j];

-/* Image rotations (90 180 270 grads) and mirroring */ -#include "filters/GP_Rotate.h" + if (hist->hist[j] < hist->min) + hist->min = hist->hist[j]; + } + }

-/* Point filters, brightness, contrast ... */ -#include "filters/GP_Point.h" + return 0; +}

-/* Addition, difference, min, max ... */ -#include "filters/GP_Arithmetic.h" +void GP_FilterHistogramAlloc(GP_PixelType type, GP_FilterParam params[]) +{ + uint32_t i;

-/* Linear convolution based filters (mostly blurs) */ -#include "filters/GP_Linear.h" + GP_FilterParamSetPtrAll(params, NULL); + + const GP_PixelTypeChannel *channels = GP_PixelTypes[type].channels;

-/* Image scaling (resampling) */ -#include "filters/GP_Resize.h" + for (i = 0; i < GP_PixelTypes[type].numchannels; i++) { + size_t chan_size = 1<<channels[i].size;

-/* Bitmap dithering */ -#include "filters/GP_Dither.h" + GP_Histogram *hist = malloc(sizeof(struct GP_Histogram) + + sizeof(uint32_t) * chan_size); + + if (hist == NULL) { + GP_FilterHistogramFree(params); + return; + } + + hist->len = chan_size; + memset(hist->hist, 0, sizeof(uint32_t) * chan_size);

-#endif /* GP_FILTERS_H */ + (GP_FilterParamChannel(params, channels[i].name))->val.ptr = hist; + } +} diff --git a/libs/filters/Makefile b/libs/filters/Makefile index d3f68c2..d3b6012 100644 --- a/libs/filters/Makefile +++ b/libs/filters/Makefile @@ -1,5 +1,7 @@ TOPDIR=../..

+STATS_FILTERS=GP_Histogram.gen.c + POINT_FILTERS=GP_Contrast.gen.c GP_Brightness.gen.c GP_Invert.gen.c GP_Point.gen.c

@@ -7,7 +9,7 @@ ARITHMETIC_FILTERS=GP_Difference.gen.c GP_Addition.gen.c GP_Min.gen.c GP_Max.gen.c GP_Multiply.gen.c

GENSOURCES=GP_MirrorV.gen.c GP_Rotate.gen.c GP_Dither.gen.c- $(POINT_FILTERS) $(ARITHMETIC_FILTERS) + $(POINT_FILTERS) $(ARITHMETIC_FILTERS) $(STATS_FILTERS)

CSOURCES=$(filter-out $(wildcard *.gen.c),$(wildcard *.c)) LIBNAME=filters @@ -17,6 +19,7 @@ include $(TOPDIR)/gen.mk include $(TOPDIR)/include.mk include $(TOPDIR)/lib.mk

-$(POINT_FILTERS) $(ARITHMETIC_FILTERS): $(TEMPLATE_DIR)/filter.c.t +$(POINT_FILTERS) $(ARITHMETIC_FILTERS) $(STATS_FILTERS): $(TEMPLATE_DIR)/filter.c.t +$(STATS_FILTERS): $(TEMPLATE_DIR)/filter.stats.c.t $(POINT_FILTERS): $(TEMPLATE_DIR)/filter.point.c.t $(ARITHMETIC_FILTERS): $(TEMPLATE_DIR)/filter.arithmetic.c.t diff --git a/pylib/templates/filter.stats.c.t b/pylib/templates/filter.stats.c.t new file mode 100644 index 0000000..14779a9 --- /dev/null +++ b/pylib/templates/filter.stats.c.t @@ -0,0 +1,102 @@ +%% extends "filter.c.t" + +%% macro filter_stats_include() +{{ filter_include() }} +#include "GP_Stats.h" +%% endmacro + +/* + * Filter per pixel type, used for images with more than one channel per pixel + */ +%% macro filter_point_per_channel(name, opts="", filter_op) +%% for pt in pixeltypes +%% if not pt.is_unknown() and len(pt.chanslist) > 1 +static int GP_Filter{{ name }}_{{ pt.name }}(const GP_Context *src, + {{ maybe_opts_r(opts) }}GP_ProgressCallback *callback) +{ +{{ caller(pt) }} + uint32_t x, y; + + for (y = 0; y < src->h; y++) { + for (x = 0; x < src->w; x++) { + GP_Pixel pix = GP_GetPixel_Raw_{{ pt.pixelsize.suffix }}(src, x, y); + %% for c in pt.chanslist + int32_t {{ c[0] }} = GP_Pixel_GET_{{ c[0] }}_{{ pt.name }}(pix); + %% endfor + + %% for c in pt.chanslist + {{ filter_op(c[0], c[2]) }} + %% endfor + } + + if (GP_ProgressCallbackReport(callback, y, src->h, src->w)) + return 1; + } + + GP_ProgressCallbackDone(callback); + return 0; +} + +%% endif +%% endfor +%% endmacro + +/* + * Point filter per bpp (used for 1 channel pixels to save space). + */ +%% macro filter_point_per_bpp(name, opts="", filter_op) +%% for ps in pixelsizes +%% if ps.size <= 8 and ps.size > 1 +static int GP_Filter{{ name }}_{{ ps.suffix }}(const GP_Context *src, + {{ maybe_opts_r(opts) }}GP_ProgressCallback *callback) +{ +{{ caller(ps) }} + uint32_t x, y; + + for (y = 0; y < src->h; y++) { + for (x = 0; x < src->w; x++) { + int32_t pix = GP_GetPixel_Raw_{{ ps.suffix }}(src, x, y); + {{ filter_op('pix', ps.size) }} + } + + if (GP_ProgressCallbackReport(callback, y, src->h, src->w)) + return 1; + } + + GP_ProgressCallbackDone(callback); + return 0; +} + +%% endif +%% endfor +%% endmacro + +/* + * Switch per pixel sizes or pixel types. + */ +%% macro filter_functions(name, opts="", params="", fmt="") +int GP_Filter{{ name }}_Raw(const GP_Context *src{{ maybe_opts_l(opts) }}, + GP_ProgressCallback *callback) +{ + GP_DEBUG(1, "Running filter {{ name }}"); + + switch (src->pixel_type) { + %% for pt in pixeltypes + case GP_PIXEL_{{ pt.name }}: + %% if pt.is_unknown() or pt.pixelsize.size < 2 + return 1; + %% elif len(pt.chanslist) == 1: + //TODO: BITENDIAN + return GP_Filter{{ name }}_{{ pt.pixelsize.suffix }}(src{{ maybe_opts_l(params) }}, callback); + %% else + return GP_Filter{{ name }}_{{ pt.name }}(src{{ maybe_opts_l(params) }}, callback); + %% endif + %% endfor + default: + break; + } + + return 1; +} + +%% endmacro

-----------------------------------------------------------------------

Summary of changes: demos/grinder/Makefile | 2 +- demos/grinder/grinder.c | 25 +++++++ .../linux_input.c => demos/grinder/histogram.c | 73 ++++++++++++------- libs/core/GP_Debug.c => demos/grinder/histogram.h | 15 ++--- include/filters/GP_FilterParam.h | 4 + include/filters/GP_Filters.h | 9 ++- include/{loaders/GP_JPG.h => filters/GP_Stats.h} | 52 +++++++------ libs/filters/GP_Brightness.gen.c.t | 2 +- libs/filters/GP_Contrast.gen.c.t | 2 +- libs/filters/GP_FilterParam.c | 8 ++ libs/filters/GP_Histogram.gen.c.t | 25 +++++++ libs/filters/GP_Invert.gen.c.t | 2 +- libs/filters/GP_Point.gen.c.t | 2 +- .../linux_input.c => libs/filters/GP_Stats.c | 75 +++++++++++++------- libs/filters/Makefile | 7 ++- .../{filter.point.c.t => filter.stats.c.t} | 47 ++----------- 16 files changed, 214 insertions(+), 136 deletions(-) copy tests/drivers/linux_input.c => demos/grinder/histogram.c (53%) copy libs/core/GP_Debug.c => demos/grinder/histogram.h (88%) copy include/{loaders/GP_JPG.h => filters/GP_Stats.h} (66%) create mode 100644 libs/filters/GP_Histogram.gen.c.t copy tests/drivers/linux_input.c => libs/filters/GP_Stats.c (54%) copy pylib/templates/{filter.point.c.t => filter.stats.c.t} (61%)

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