diff --git a/image_types.h b/image_types.h deleted file mode 100644 index e21da1c2..00000000 --- a/image_types.h +++ /dev/null @@ -1,9 +0,0 @@ -enum types { - UNKNOWN = 0, - JPEG, - PNG, - WEBP, - GIF, - ICO, - SVG -}; diff --git a/process.go b/process.go index 68a84ddc..6ec64273 100644 --- a/process.go +++ b/process.go @@ -258,32 +258,6 @@ func calcCrop(width, height, cropWidth, cropHeight int, gravity *gravityOptions) return } -func resizeImage(img **C.VipsImage, scale float64, hasAlpha bool) error { - var err error - - premultiplied := false - var bandFormat C.VipsBandFormat - - if hasAlpha { - if bandFormat, err = vipsPremultiply(img); err != nil { - return err - } - premultiplied = true - } - - if err = vipsResize(img, scale); err != nil { - return err - } - - if premultiplied { - if err = vipsUnpremultiply(img, bandFormat); err != nil { - return err - } - } - - return nil -} - func transformImage(ctx context.Context, img **C.VipsImage, data []byte, po *processingOptions, imgtype imageType) error { var err error @@ -313,7 +287,7 @@ func transformImage(ctx context.Context, img **C.VipsImage, data []byte, po *pro } } - if err = resizeImage(img, scale, hasAlpha); err != nil { + if err = vipsResize(img, scale, hasAlpha); err != nil { return err } } @@ -392,7 +366,7 @@ func transformImage(ctx context.Context, img **C.VipsImage, data []byte, po *pro if po.Enlarge && po.Resize == resizeCrop && po.Dpr > 1 { // We didn't enlarge the image before, because is wasn't optimal. Now it's time to do it - if err = resizeImage(img, po.Dpr, hasAlpha); err != nil { + if err = vipsResize(img, po.Dpr, hasAlpha); err != nil { return err } if err = vipsImageCopyMemory(img); err != nil { @@ -578,37 +552,10 @@ func vipsPrepareWatermark() error { var tmp *C.VipsImage - if cConf.WatermarkOpacity < 1 { - if vipsImageHasAlpha(watermark) { - var alpha *C.VipsImage - defer C.clear_image(&alpha) - - if C.vips_extract_band_go(watermark, &tmp, (*watermark).Bands-1, 1) != 0 { - return vipsError() - } - C.swap_and_clear(&alpha, tmp) - - if C.vips_extract_band_go(watermark, &tmp, 0, (*watermark).Bands-1) != 0 { - return vipsError() - } - C.swap_and_clear(&watermark, tmp) - - if C.vips_linear_go(alpha, &tmp, cConf.WatermarkOpacity, 0) != 0 { - return vipsError() - } - C.swap_and_clear(&alpha, tmp) - - if C.vips_bandjoin_go(watermark, alpha, &tmp) != 0 { - return vipsError() - } - C.swap_and_clear(&watermark, tmp) - } else { - if C.vips_bandjoin_const_go(watermark, &tmp, cConf.WatermarkOpacity*255) != 0 { - return vipsError() - } - C.swap_and_clear(&watermark, tmp) - } + if C.vips_apply_opacity(watermark, &tmp, C.double(conf.WatermarkOpacity)) != 0 { + return vipsError() } + C.swap_and_clear(&watermark, tmp) if tmp = C.vips_image_copy_memory(watermark); tmp == nil { return vipsError() @@ -725,35 +672,6 @@ func vipsSetInt(img *C.VipsImage, name string, value int) { C.vips_image_set_int(img, cachedCString(name), C.int(value)) } -func vipsPremultiply(img **C.VipsImage) (C.VipsBandFormat, error) { - var tmp *C.VipsImage - - format := C.vips_band_format(*img) - - if C.vips_premultiply_go(*img, &tmp) != 0 { - return 0, vipsError() - } - - C.swap_and_clear(img, tmp) - return format, nil -} - -func vipsUnpremultiply(img **C.VipsImage, format C.VipsBandFormat) error { - var tmp *C.VipsImage - - if C.vips_unpremultiply_go(*img, &tmp) != 0 { - return vipsError() - } - C.swap_and_clear(img, tmp) - - if C.vips_cast_go(*img, &tmp, format) != 0 { - return vipsError() - } - C.swap_and_clear(img, tmp) - - return nil -} - func vipsCastUchar(img **C.VipsImage) error { var tmp *C.VipsImage @@ -767,14 +685,21 @@ func vipsCastUchar(img **C.VipsImage) error { return nil } -func vipsResize(img **C.VipsImage, scale float64) error { +func vipsResize(img **C.VipsImage, scale float64, hasAlpa bool) error { var tmp *C.VipsImage - if C.vips_resize_go(*img, &tmp, C.double(scale)) != 0 { - return vipsError() + if hasAlpa { + if C.vips_resize_with_premultiply(*img, &tmp, C.double(scale)) != 0 { + return vipsError() + } + } else { + if C.vips_resize_go(*img, &tmp, C.double(scale)) != 0 { + return vipsError() + } } C.swap_and_clear(img, tmp) + return nil } @@ -905,12 +830,7 @@ func vipsImageCopyMemory(img **C.VipsImage) error { func vipsReplicate(img **C.VipsImage, width, height C.int) error { var tmp *C.VipsImage - if C.vips_replicate_go(*img, &tmp, 1+width/(*img).Xsize, 1+height/(*img).Ysize) != 0 { - return vipsError() - } - C.swap_and_clear(img, tmp) - - if C.vips_extract_area_go(*img, &tmp, 0, 0, width, height) != 0 { + if C.vips_replicate_go(*img, &tmp, width, height) != 0 { return vipsError() } C.swap_and_clear(img, tmp) @@ -979,7 +899,7 @@ func vipsResizeWatermark(width, height int) (wm *C.VipsImage, err error) { scale = 1 / wmH } - if C.vips_resize_go(watermark, &wm, C.double(scale)) != 0 { + if C.vips_resize_with_premultiply(watermark, &wm, C.double(scale)) != 0 { err = vipsError() } @@ -991,17 +911,16 @@ func vipsApplyWatermark(img **C.VipsImage, opts *watermarkOptions) error { return nil } - var wm, wmAlpha, tmp *C.VipsImage - var err error - + var wm, tmp *C.VipsImage defer C.clear_image(&wm) - defer C.clear_image(&wmAlpha) + + var err error imgW := (*img).Xsize imgH := (*img).Ysize if opts.Scale == 0 { - if wm = C.vips_image_copy_memory(watermark); wm == nil { + if C.vips_copy_go(watermark, &wm) != 0 { return vipsError() } } else { @@ -1023,69 +942,11 @@ func vipsApplyWatermark(img **C.VipsImage, opts *watermarkOptions) error { } } - if C.vips_extract_band_go(wm, &tmp, (*wm).Bands-1, 1) != 0 { - return vipsError() - } - C.swap_and_clear(&wmAlpha, tmp) - - if C.vips_extract_band_go(wm, &tmp, 0, (*wm).Bands-1) != 0 { - return vipsError() - } - C.swap_and_clear(&wm, tmp) - - imgInterpolation := C.vips_image_guess_interpretation(*img) - - if imgInterpolation != C.vips_image_guess_interpretation(wm) { - if C.vips_colourspace_go(wm, &tmp, imgInterpolation) != 0 { - return vipsError() - } - C.swap_and_clear(&wm, tmp) - } - - if opts.Opacity < 1 { - if C.vips_linear_go(wmAlpha, &tmp, C.double(opts.Opacity), 0) != 0 { - return vipsError() - } - C.swap_and_clear(&wmAlpha, tmp) - } - - imgFormat := C.vips_image_get_format(*img) - - var imgAlpha *C.VipsImage - defer C.clear_image(&imgAlpha) - - hasAlpha := vipsImageHasAlpha(*img) - - if hasAlpha { - if C.vips_extract_band_go(*img, &imgAlpha, (**img).Bands-1, 1) != 0 { - return vipsError() - } - - if C.vips_extract_band_go(*img, &tmp, 0, (**img).Bands-1) != 0 { - return vipsError() - } - C.swap_and_clear(img, tmp) - } - - if C.vips_ifthenelse_go(wmAlpha, wm, *img, &tmp) != 0 { + if C.vips_apply_watermark(*img, wm, &tmp, C.double(opts.Opacity)) != 0 { return vipsError() } C.swap_and_clear(img, tmp) - if hasAlpha { - if C.vips_bandjoin_go(*img, imgAlpha, &tmp) != 0 { - return vipsError() - } - C.swap_and_clear(img, tmp) - } - - if imgFormat != C.vips_image_get_format(*img) { - if C.vips_cast_go(*img, &tmp, imgFormat) != 0 { - return vipsError() - } - C.swap_and_clear(img, tmp) - } - return nil } diff --git a/processing_options.go b/processing_options.go index 24b37bf1..0a42f94d 100644 --- a/processing_options.go +++ b/processing_options.go @@ -2,7 +2,7 @@ package main /* #cgo LDFLAGS: -s -w -#include "image_types.h" +#include "vips.h" */ import "C" diff --git a/vips.c b/vips.c new file mode 100644 index 00000000..75507fb4 --- /dev/null +++ b/vips.c @@ -0,0 +1,479 @@ +#include "vips.h" + +#define VIPS_SUPPORT_SMARTCROP \ + (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 5)) + +#define VIPS_SUPPORT_HASALPHA \ + (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 5)) + +#define VIPS_SUPPORT_GIF \ + (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 3)) + +#define VIPS_SUPPORT_SVG \ + (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 3)) + +#define VIPS_SUPPORT_MAGICK \ + (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 7)) + +#define EXIF_ORIENTATION "exif-ifd0-Orientation" + +int +vips_initialize() { + return vips_init("imgproxy"); +} + +void +clear_image(VipsImage **in) { + if (G_IS_OBJECT(*in)) g_clear_object(in); +} + +void +g_free_go(void **buf) { + g_free(*buf); +} + +void +swap_and_clear(VipsImage **in, VipsImage *out) { + clear_image(in); + *in = out; +} + +int +vips_type_find_load_go(int imgtype) { + switch (imgtype) + { + case (JPEG): + return vips_type_find("VipsOperation", "jpegload_buffer"); + case (PNG): + return vips_type_find("VipsOperation", "pngload_buffer"); + case (WEBP): + return vips_type_find("VipsOperation", "webpload_buffer"); + case (GIF): + return vips_type_find("VipsOperation", "gifload_buffer"); + case (SVG): + return vips_type_find("VipsOperation", "svgload_buffer"); + } + return 0; +} + +int +vips_type_find_save_go(int imgtype) { + switch (imgtype) + { + case (JPEG): + return vips_type_find("VipsOperation", "jpegsave_buffer"); + case (PNG): + return vips_type_find("VipsOperation", "pngsave_buffer"); + case (WEBP): + return vips_type_find("VipsOperation", "webpsave_buffer"); + case (GIF): + return vips_type_find("VipsOperation", "magicksave_buffer"); + case (ICO): + return vips_type_find("VipsOperation", "magicksave_buffer"); + } + + return 0; +} + +int +vips_jpegload_go(void *buf, size_t len, int shrink, VipsImage **out) { + if (shrink > 1) + return vips_jpegload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "shrink", shrink, NULL); + + return vips_jpegload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL); +} + +int +vips_pngload_go(void *buf, size_t len, VipsImage **out) { + return vips_pngload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL); +} + +int +vips_webpload_go(void *buf, size_t len, int shrink, VipsImage **out) { + if (shrink > 1) + return vips_webpload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "shrink", shrink, NULL); + + return vips_webpload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL); +} + +int +vips_gifload_go(void *buf, size_t len, int pages, VipsImage **out) { + #if VIPS_SUPPORT_GIF + return vips_gifload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "n", pages, NULL); + #else + vips_error("vips_gifload_go", "Loading GIF is not supported"); + return 1; + #endif +} + +int +vips_svgload_go(void *buf, size_t len, double scale, VipsImage **out) { + #if VIPS_SUPPORT_SVG + return vips_svgload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "scale", scale, NULL); + #else + vips_error("vips_svgload_go", "Loading SVG is not supported"); + return 1; + #endif +} + +int +vips_get_exif_orientation(VipsImage *image) { + const char *orientation; + + if ( + vips_image_get_typeof(image, EXIF_ORIENTATION) != G_TYPE_INVALID && + vips_image_get_string(image, EXIF_ORIENTATION, &orientation) == 0 + ) return atoi(&orientation[0]); + + return 1; +} + +int +vips_support_smartcrop() { +#if VIPS_SUPPORT_SMARTCROP + return 1; +#else + return 0; +#endif +} + +VipsBandFormat +vips_band_format(VipsImage *in) { + return in->BandFmt; +} + +gboolean +vips_is_animated_gif(VipsImage * in) { + return( vips_image_get_typeof(in, "page-height") != G_TYPE_INVALID && + vips_image_get_typeof(in, "gif-delay") != G_TYPE_INVALID && + vips_image_get_typeof(in, "gif-loop") != G_TYPE_INVALID ); +} + +gboolean +vips_image_hasalpha_go(VipsImage * in) { +#if VIPS_SUPPORT_HASALPHA + return vips_image_hasalpha(in); +#else + return( in->Bands == 2 || + (in->Bands == 4 && in->Type != VIPS_INTERPRETATION_CMYK) || + in->Bands > 4 ); +#endif +} + +int +vips_copy_go(VipsImage *in, VipsImage **out) { + return vips_copy(in, out, NULL); +} + +int +vips_cast_go(VipsImage *in, VipsImage **out, VipsBandFormat format) { + return vips_cast(in, out, format, NULL); +} + +int +vips_resize_go(VipsImage *in, VipsImage **out, double scale) { + return vips_resize(in, out, scale, NULL); +} + +int +vips_resize_with_premultiply(VipsImage *in, VipsImage **out, double scale) { + VipsBandFormat format; + VipsImage *tmp1, *tmp2; + + format = vips_band_format(in); + + if (vips_premultiply(in, &tmp1, NULL)) + return 1; + + if (vips_resize(tmp1, &tmp2, scale, NULL)) { + clear_image(&tmp1); + return 1; + } + swap_and_clear(&tmp1, tmp2); + + if (vips_unpremultiply(tmp1, &tmp2, NULL)) { + clear_image(&tmp1); + return 1; + } + swap_and_clear(&tmp1, tmp2); + + if (vips_cast(tmp1, out, format, NULL)) { + clear_image(&tmp1); + return 1; + } + + clear_image(&tmp1); + + return 0; +} + +int +vips_need_icc_import(VipsImage *in) { + return in->Type == VIPS_INTERPRETATION_CMYK; +} + +int +vips_icc_import_go(VipsImage *in, VipsImage **out, char *profile) { + return vips_icc_import(in, out, "input_profile", profile, "embedded", TRUE, "pcs", VIPS_PCS_XYZ, NULL); +} + +int +vips_colourspace_go(VipsImage *in, VipsImage **out, VipsInterpretation cs) { + return vips_colourspace(in, out, cs, NULL); +} + +int +vips_rot_go(VipsImage *in, VipsImage **out, VipsAngle angle) { + return vips_rot(in, out, angle, NULL); +} + +int +vips_flip_horizontal_go(VipsImage *in, VipsImage **out) { + return vips_flip(in, out, VIPS_DIRECTION_HORIZONTAL, NULL); +} + +int +vips_smartcrop_go(VipsImage *in, VipsImage **out, int width, int height) { +#if VIPS_SUPPORT_SMARTCROP + return vips_smartcrop(in, out, width, height, NULL); +#else + vips_error("vips_smartcrop_go", "Smart crop is not supported"); + return 1; +#endif +} + +int +vips_gaussblur_go(VipsImage *in, VipsImage **out, double sigma) { + return vips_gaussblur(in, out, sigma, NULL); +} + +int +vips_sharpen_go(VipsImage *in, VipsImage **out, double sigma) { + return vips_sharpen(in, out, "sigma", sigma, NULL); +} + +int +vips_flatten_go(VipsImage *in, VipsImage **out, double r, double g, double b) { + VipsArrayDouble *bg = vips_array_double_newv(3, r, g, b); + int res = vips_flatten(in, out, "background", bg, NULL); + vips_area_unref((VipsArea *)bg); + return res; +} + +int +vips_extract_area_go(VipsImage *in, VipsImage **out, int left, int top, int width, int height) { + return vips_extract_area(in, out, left, top, width, height, NULL); +} + +int +vips_replicate_go(VipsImage *in, VipsImage **out, int width, int height) { + VipsImage *tmp; + + if (vips_replicate(in, &tmp, 1 + width / in->Xsize, 1 + height / in->Ysize, NULL)) + return 1; + + if (vips_extract_area(tmp, out, 0, 0, width, height, NULL)) { + clear_image(&tmp); + return 1; + } + + clear_image(&tmp); + + return 0; +} + +int +vips_embed_go(VipsImage *in, VipsImage **out, int x, int y, int width, int height) { + return vips_embed(in, out, x, y, width, height, NULL); +} + +int +vips_apply_opacity(VipsImage *in, VipsImage **out, double opacity){ + gboolean has_alpha = vips_image_hasalpha_go(in); + + if (has_alpha) { + if (opacity < 1) { + VipsImage *img, *img_alpha, *tmp; + + if (vips_extract_band(in, &img, 0, "n", in->Bands - 1, NULL)) + return 1; + + if (vips_extract_band(in, &img_alpha, in->Bands - 1, "n", 1, NULL)) { + clear_image(&img); + return 1; + } + + if (vips_linear1(img_alpha, &tmp, opacity, 0, NULL)) { + clear_image(&img); + clear_image(&img_alpha); + return 1; + } + swap_and_clear(&img_alpha, tmp); + + if (vips_bandjoin2(img, img_alpha, out, NULL)) { + clear_image(&img); + clear_image(&img_alpha); + return 1; + } + + clear_image(&img); + clear_image(&img_alpha); + } else { + if (vips_copy(in, out, NULL)) { + return 1; + } + } + } else { + if (vips_bandjoin_const1(in, out, opacity * 255, NULL)) { + return 1; + } + } + + return 0; +} + +int +vips_apply_watermark(VipsImage *in, VipsImage *watermark, VipsImage **out, double opacity) { + VipsImage *wm, *wm_alpha, *tmp; + + if (vips_extract_band(watermark, &wm, 0, "n", watermark->Bands - 1, NULL)) + return 1; + + if (vips_extract_band(watermark, &wm_alpha, watermark->Bands - 1, "n", 1, NULL)) { + clear_image(&wm); + return 1; + } + + VipsInterpretation img_interpolation = vips_image_guess_interpretation(in); + + if (img_interpolation != vips_image_guess_interpretation(wm)) { + if (vips_colourspace(wm, &tmp, img_interpolation, NULL)) { + clear_image(&wm); + clear_image(&wm_alpha); + return 1; + } + swap_and_clear(&wm, tmp); + } + + if (opacity < 1) { + if (vips_linear1(wm_alpha, &tmp, opacity, 0, NULL)) { + clear_image(&wm); + clear_image(&wm_alpha); + return 1; + } + + swap_and_clear(&wm_alpha, tmp); + } + + VipsBandFormat img_format; + VipsImage *img, *img_alpha; + + img_format = vips_image_get_format(in); + + gboolean has_alpha = vips_image_hasalpha_go(in); + + if (has_alpha) { + if (vips_extract_band(in, &img, 0, "n", in->Bands - 1, NULL)) { + clear_image(&wm); + clear_image(&wm_alpha); + return 1; + } + + if (vips_extract_band(in, &img_alpha, in->Bands - 1, "n", 1, NULL)) { + clear_image(&wm); + clear_image(&wm_alpha); + clear_image(&img); + return 1; + } + } else { + if (vips_copy(in, &img, NULL)) { + clear_image(&wm); + clear_image(&wm_alpha); + return 1; + } + } + + if (vips_ifthenelse(wm_alpha, wm, img, &tmp, "blend", TRUE, NULL)) { + clear_image(&wm); + clear_image(&wm_alpha); + clear_image(&img); + clear_image(&img_alpha); + return 1; + } + + swap_and_clear(&img, tmp); + clear_image(&wm); + clear_image(&wm_alpha); + + if (has_alpha) { + if (vips_bandjoin2(img, img_alpha, &tmp, NULL)) { + clear_image(&img); + clear_image(&img_alpha); + return 1; + } + + swap_and_clear(&img, tmp); + clear_image(&img_alpha); + } + + if (img_format != vips_image_get_format(img)) { + if (vips_cast(img, &tmp, img_format, NULL)) { + clear_image(&img); + return 1; + } + swap_and_clear(&img, tmp); + } + + *out = img; + + return 0; +} + +int +vips_arrayjoin_go(VipsImage **in, VipsImage **out, int n) { + return vips_arrayjoin(in, out, n, "across", 1, NULL); +} + +int +vips_jpegsave_go(VipsImage *in, void **buf, size_t *len, int strip, int quality, int interlace) { + return vips_jpegsave_buffer(in, buf, len, "strip", strip, "Q", quality, "optimize_coding", TRUE, "interlace", interlace, NULL); +} + +int +vips_pngsave_go(VipsImage *in, void **buf, size_t *len, int interlace, int embed_profile) { + if (embed_profile) + return vips_pngsave_buffer(in, buf, len, "filter", VIPS_FOREIGN_PNG_FILTER_NONE, "interlace", interlace, NULL); + + return vips_pngsave_buffer(in, buf, len, "profile", "none", "filter", VIPS_FOREIGN_PNG_FILTER_NONE, "interlace", interlace, NULL); +} + +int +vips_webpsave_go(VipsImage *in, void **buf, size_t *len, int strip, int quality) { + return vips_webpsave_buffer(in, buf, len, "strip", strip, "Q", quality, NULL); +} + +int +vips_gifsave_go(VipsImage *in, void **buf, size_t *len) { +#if VIPS_SUPPORT_MAGICK + return vips_magicksave_buffer(in, buf, len, "format", "gif", NULL); +#else + vips_error("vips_gifsave_go", "Saving GIF is not supported"); + return 1; +#endif +} + +int +vips_icosave_go(VipsImage *in, void **buf, size_t *len) { +#if VIPS_SUPPORT_MAGICK + return vips_magicksave_buffer(in, buf, len, "format", "ico", NULL); +#else + vips_error("vips_icosave_go", "Saving ICO is not supported"); + return 1; +#endif +} + +void +vips_cleanup() { + vips_error_clear(); + vips_thread_shutdown(); +} diff --git a/vips.h b/vips.h index 96103be4..d8f0ff67 100644 --- a/vips.h +++ b/vips.h @@ -1,330 +1,77 @@ #include + #include #include -#include "image_types.h" -#define VIPS_SUPPORT_SMARTCROP \ - (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 5)) +enum ImgproxyImageTypes { + UNKNOWN = 0, + JPEG, + PNG, + WEBP, + GIF, + ICO, + SVG +}; -#define VIPS_SUPPORT_HASALPHA \ - (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 5)) +int vips_initialize(); -#define VIPS_SUPPORT_GIF \ - (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 3)) +void clear_image(VipsImage **in); +void g_free_go(void **buf); -#define VIPS_SUPPORT_SVG \ - (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 3)) +void swap_and_clear(VipsImage **in, VipsImage *out); -#define VIPS_SUPPORT_MAGICK \ - (VIPS_MAJOR_VERSION > 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION >= 7)) +int vips_type_find_load_go(int imgtype); +int vips_type_find_save_go(int imgtype); -#define EXIF_ORIENTATION "exif-ifd0-Orientation" +int vips_jpegload_go(void *buf, size_t len, int shrink, VipsImage **out); +int vips_pngload_go(void *buf, size_t len, VipsImage **out); +int vips_webpload_go(void *buf, size_t len, int shrink, VipsImage **out); +int vips_gifload_go(void *buf, size_t len, int pages, VipsImage **out); +int vips_svgload_go(void *buf, size_t len, double scale, VipsImage **out); -int -vips_initialize() { - return vips_init("imgproxy"); -} +int vips_get_exif_orientation(VipsImage *image); -void -clear_image(VipsImage **in) { - if (G_IS_OBJECT(*in)) g_clear_object(in); -} +int vips_support_smartcrop(); -void -g_free_go(void **buf) { - g_free(*buf); -} +VipsBandFormat vips_band_format(VipsImage *in); -void -swap_and_clear(VipsImage **in, VipsImage *out) { - clear_image(in); - *in = out; -} +gboolean vips_is_animated_gif(VipsImage * in); +gboolean vips_image_hasalpha_go(VipsImage * in); -int -vips_type_find_load_go(int imgtype) { - if (imgtype == JPEG) { - return vips_type_find("VipsOperation", "jpegload_buffer"); - } - if (imgtype == PNG) { - return vips_type_find("VipsOperation", "pngload_buffer"); - } - if (imgtype == WEBP) { - return vips_type_find("VipsOperation", "webpload_buffer"); - } - if (imgtype == GIF) { - return vips_type_find("VipsOperation", "gifload_buffer"); - } - if (imgtype == SVG) { - return vips_type_find("VipsOperation", "svgload_buffer"); - } - return 0; -} +int vips_copy_go(VipsImage *in, VipsImage **out); -int -vips_type_find_save_go(int imgtype) { - if (imgtype == JPEG) { - return vips_type_find("VipsOperation", "jpegsave_buffer"); - } - if (imgtype == PNG) { - return vips_type_find("VipsOperation", "pngsave_buffer"); - } - if (imgtype == WEBP) { - return vips_type_find("VipsOperation", "webpsave_buffer"); - } - if (imgtype == GIF) { - return vips_type_find("VipsOperation", "magicksave_buffer"); - } - if (imgtype == ICO) { - return vips_type_find("VipsOperation", "magicksave_buffer"); - } - return 0; -} +int vips_cast_go(VipsImage *in, VipsImage **out, VipsBandFormat format); -int -vips_jpegload_go(void *buf, size_t len, int shrink, VipsImage **out) { - if (shrink > 1) { - return vips_jpegload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "shrink", shrink, NULL); - } - return vips_jpegload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL); -} +int vips_resize_go(VipsImage *in, VipsImage **out, double scale); +int vips_resize_with_premultiply(VipsImage *in, VipsImage **out, double scale); -int -vips_pngload_go(void *buf, size_t len, VipsImage **out) { - return vips_pngload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL); -} +int vips_need_icc_import(VipsImage *in); +int vips_icc_import_go(VipsImage *in, VipsImage **out, char *profile); +int vips_colourspace_go(VipsImage *in, VipsImage **out, VipsInterpretation cs); -int -vips_webpload_go(void *buf, size_t len, int shrink, VipsImage **out) { - if (shrink > 1) { - return vips_webpload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "shrink", shrink, NULL); - } - return vips_webpload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, NULL); -} +int vips_rot_go(VipsImage *in, VipsImage **out, VipsAngle angle); +int vips_flip_horizontal_go(VipsImage *in, VipsImage **out); -int -vips_gifload_go(void *buf, size_t len, int pages, VipsImage **out) { - #if VIPS_SUPPORT_GIF - return vips_gifload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "n", pages, NULL); - #else - vips_error("vips_gifload_go", "Loading GIF is not supported"); - return 1; - #endif -} +int vips_extract_area_go(VipsImage *in, VipsImage **out, int left, int top, int width, int height); +int vips_smartcrop_go(VipsImage *in, VipsImage **out, int width, int height); -int -vips_svgload_go(void *buf, size_t len, double scale, VipsImage **out) { - #if VIPS_SUPPORT_SVG - return vips_svgload_buffer(buf, len, out, "access", VIPS_ACCESS_SEQUENTIAL, "scale", scale, NULL); - #else - vips_error("vips_svgload_go", "Loading SVG is not supported"); - return 1; - #endif -} +int vips_gaussblur_go(VipsImage *in, VipsImage **out, double sigma); +int vips_sharpen_go(VipsImage *in, VipsImage **out, double sigma); -int -vips_get_exif_orientation(VipsImage *image) { - const char *orientation; +int vips_flatten_go(VipsImage *in, VipsImage **out, double r, double g, double b); - if ( - vips_image_get_typeof(image, EXIF_ORIENTATION) != 0 && - vips_image_get_string(image, EXIF_ORIENTATION, &orientation) == 0 - ) return atoi(&orientation[0]); +int vips_replicate_go(VipsImage *in, VipsImage **out, int across, int down); +int vips_embed_go(VipsImage *in, VipsImage **out, int x, int y, int width, int height); - return 1; -} +int vips_apply_opacity(VipsImage *in, VipsImage **out, double opacity); +int vips_apply_watermark(VipsImage *in, VipsImage *watermark, VipsImage **out, double opacity); -int -vips_support_smartcrop() { -#if VIPS_SUPPORT_SMARTCROP - return 1; -#else - return 0; -#endif -} +int vips_arrayjoin_go(VipsImage **in, VipsImage **out, int n); -VipsBandFormat -vips_band_format(VipsImage *in) { - return in->BandFmt; -} +int vips_jpegsave_go(VipsImage *in, void **buf, size_t *len, int strip, int quality, int interlace); +int vips_pngsave_go(VipsImage *in, void **buf, size_t *len, int interlace, int embed_profile); +int vips_webpsave_go(VipsImage *in, void **buf, size_t *len, int strip, int quality); +int vips_gifsave_go(VipsImage *in, void **buf, size_t *len); +int vips_icosave_go(VipsImage *in, void **buf, size_t *len); -gboolean -vips_is_animated_gif(VipsImage * in) { - return( vips_image_get_typeof(in, "page-height") != G_TYPE_INVALID && - vips_image_get_typeof(in, "gif-delay") != G_TYPE_INVALID && - vips_image_get_typeof(in, "gif-loop") != G_TYPE_INVALID ); -} - -gboolean -vips_image_hasalpha_go(VipsImage * in) { -#if VIPS_SUPPORT_HASALPHA - return vips_image_hasalpha(in); -#else - return( in->Bands == 2 || - (in->Bands == 4 && in->Type != VIPS_INTERPRETATION_CMYK) || - in->Bands > 4 ); -#endif -} - -int -vips_premultiply_go(VipsImage *in, VipsImage **out) { - return vips_premultiply(in, out, NULL); -} - -int -vips_unpremultiply_go(VipsImage *in, VipsImage **out) { - return vips_unpremultiply(in, out, NULL); -} - -int -vips_cast_go(VipsImage *in, VipsImage **out, VipsBandFormat format) { - return vips_cast(in, out, format, NULL); -} - -int -vips_resize_go(VipsImage *in, VipsImage **out, double scale) { - return vips_resize(in, out, scale, NULL); -} - -int -vips_need_icc_import(VipsImage *in) { - return in->Type == VIPS_INTERPRETATION_CMYK; -} - -int -vips_icc_import_go(VipsImage *in, VipsImage **out, char *profile) { - return vips_icc_import(in, out, "input_profile", profile, "embedded", TRUE, "pcs", VIPS_PCS_XYZ, NULL); -} - -int -vips_colourspace_go(VipsImage *in, VipsImage **out, VipsInterpretation cs) { - return vips_colourspace(in, out, cs, NULL); -} - -int -vips_rot_go(VipsImage *in, VipsImage **out, VipsAngle angle) { - return vips_rot(in, out, angle, NULL); -} - -int -vips_flip_horizontal_go(VipsImage *in, VipsImage **out) { - return vips_flip(in, out, VIPS_DIRECTION_HORIZONTAL, NULL); -} - -int -vips_smartcrop_go(VipsImage *in, VipsImage **out, int width, int height) { -#if VIPS_SUPPORT_SMARTCROP - return vips_smartcrop(in, out, width, height, NULL); -#else - vips_error("vips_smartcrop_go", "Smart crop is not supported"); - return 1; -#endif -} - -int -vips_gaussblur_go(VipsImage *in, VipsImage **out, double sigma) { - return vips_gaussblur(in, out, sigma, NULL); -} - -int -vips_sharpen_go(VipsImage *in, VipsImage **out, double sigma) { - return vips_sharpen(in, out, "sigma", sigma, NULL); -} - -int -vips_flatten_go(VipsImage *in, VipsImage **out, double r, double g, double b) { - VipsArrayDouble *bg = vips_array_double_newv(3, r, g, b); - int res = vips_flatten(in, out, "background", bg, NULL); - vips_area_unref((VipsArea *)bg); - return res; -} - -int -vips_extract_area_go(VipsImage *in, VipsImage **out, int left, int top, int width, int height) { - return vips_extract_area(in, out, left, top, width, height, NULL); -} - -int -vips_replicate_go(VipsImage *in, VipsImage **out, int across, int down) { - return vips_replicate(in, out, across, down, NULL); -} - -int -vips_embed_go(VipsImage *in, VipsImage **out, int x, int y, int width, int height) { - return vips_embed(in, out, x, y, width, height, NULL); -} - -int -vips_extract_band_go(VipsImage *in, VipsImage **out, int band, int band_num) { - return vips_extract_band(in, out, band, "n", band_num, NULL); -} - -int -vips_bandjoin_go (VipsImage *in1, VipsImage *in2, VipsImage **out) { - return vips_bandjoin2(in1, in2, out, NULL); -} - -int -vips_bandjoin_const_go (VipsImage *in, VipsImage **out, double c) { - return vips_bandjoin_const1(in, out, c, NULL); -} - -int -vips_linear_go (VipsImage *in, VipsImage **out, double a, double b) { - return vips_linear1(in, out, a, b, NULL); -} - -int -vips_ifthenelse_go(VipsImage *cond, VipsImage *in1, VipsImage *in2, VipsImage **out) { - return vips_ifthenelse(cond, in1, in2, out, "blend", TRUE, NULL); -} - -int -vips_arrayjoin_go(VipsImage **in, VipsImage **out, int n) { - return vips_arrayjoin(in, out, n, "across", 1, NULL); -} - -int -vips_jpegsave_go(VipsImage *in, void **buf, size_t *len, int strip, int quality, int interlace) { - return vips_jpegsave_buffer(in, buf, len, "strip", strip, "Q", quality, "optimize_coding", TRUE, "interlace", interlace, NULL); -} - -int -vips_pngsave_go(VipsImage *in, void **buf, size_t *len, int interlace, int embed_profile) { - if (embed_profile) { - return vips_pngsave_buffer(in, buf, len, "filter", VIPS_FOREIGN_PNG_FILTER_NONE, "interlace", interlace, NULL); - } - - return vips_pngsave_buffer(in, buf, len, "profile", "none", "filter", VIPS_FOREIGN_PNG_FILTER_NONE, "interlace", interlace, NULL); -} - -int -vips_webpsave_go(VipsImage *in, void **buf, size_t *len, int strip, int quality) { - return vips_webpsave_buffer(in, buf, len, "strip", strip, "Q", quality, NULL); -} - -int -vips_gifsave_go(VipsImage *in, void **buf, size_t *len) { -#if VIPS_SUPPORT_MAGICK - return vips_magicksave_buffer(in, buf, len, "format", "gif", NULL); -#else - vips_error("vips_gifsave_go", "Saving GIF is not supported"); - return 1; -#endif -} - -int -vips_icosave_go(VipsImage *in, void **buf, size_t *len) { -#if VIPS_SUPPORT_MAGICK - return vips_magicksave_buffer(in, buf, len, "format", "ico", NULL); -#else - vips_error("vips_icosave_go", "Saving ICO is not supported"); - return 1; -#endif -} - -void -vips_cleanup() { - vips_error_clear(); - vips_thread_shutdown(); -} +void vips_cleanup();