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use mode structs in Storage.c

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Yay295 2024-04-21 22:46:09 -05:00
parent 9f28f12eff
commit 6f0ce3e876
1 changed files with 31 additions and 32 deletions
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63
src/libImaging/Storage.c
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@ -42,7 +42,7 @@
*/ */
Imaging Imaging
ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size) { ImagingNewPrologueSubtype(const Mode *mode, int xsize, int ysize, int size) {
Imaging im; Imaging im;
/* linesize overflow check, roughly the current largest space req'd */ /* linesize overflow check, roughly the current largest space req'd */
@ -61,57 +61,56 @@ ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size) {
im->type = IMAGING_TYPE_UINT8; im->type = IMAGING_TYPE_UINT8;
if (strcmp(mode, "1") == 0) { if (mode == IMAGING_MODE_1) {
/* 1-bit images */ /* 1-bit images */
im->bands = im->pixelsize = 1; im->bands = im->pixelsize = 1;
im->linesize = xsize; im->linesize = xsize;
} else if (strcmp(mode, "P") == 0) { } else if (mode == IMAGING_MODE_P) {
/* 8-bit palette mapped images */ /* 8-bit palette mapped images */
im->bands = im->pixelsize = 1; im->bands = im->pixelsize = 1;
im->linesize = xsize; im->linesize = xsize;
im->palette = ImagingPaletteNew("RGB"); im->palette = ImagingPaletteNew(IMAGING_MODE_RGB);
} else if (strcmp(mode, "PA") == 0) { } else if (mode == IMAGING_MODE_PA) {
/* 8-bit palette with alpha */ /* 8-bit palette with alpha */
im->bands = 2; im->bands = 2;
im->pixelsize = 4; /* store in image32 memory */ im->pixelsize = 4; /* store in image32 memory */
im->linesize = xsize * 4; im->linesize = xsize * 4;
im->palette = ImagingPaletteNew("RGB"); im->palette = ImagingPaletteNew(IMAGING_MODE_RGB);
} else if (strcmp(mode, "L") == 0) { } else if (mode == IMAGING_MODE_L) {
/* 8-bit grayscale (luminance) images */ /* 8-bit grayscale (luminance) images */
im->bands = im->pixelsize = 1; im->bands = im->pixelsize = 1;
im->linesize = xsize; im->linesize = xsize;
} else if (strcmp(mode, "LA") == 0) { } else if (mode == IMAGING_MODE_LA) {
/* 8-bit grayscale (luminance) with alpha */ /* 8-bit grayscale (luminance) with alpha */
im->bands = 2; im->bands = 2;
im->pixelsize = 4; /* store in image32 memory */ im->pixelsize = 4; /* store in image32 memory */
im->linesize = xsize * 4; im->linesize = xsize * 4;
} else if (strcmp(mode, "La") == 0) { } else if (mode == IMAGING_MODE_La) {
/* 8-bit grayscale (luminance) with premultiplied alpha */ /* 8-bit grayscale (luminance) with premultiplied alpha */
im->bands = 2; im->bands = 2;
im->pixelsize = 4; /* store in image32 memory */ im->pixelsize = 4; /* store in image32 memory */
im->linesize = xsize * 4; im->linesize = xsize * 4;
} else if (strcmp(mode, "F") == 0) { } else if (mode == IMAGING_MODE_F) {
/* 32-bit floating point images */ /* 32-bit floating point images */
im->bands = 1; im->bands = 1;
im->pixelsize = 4; im->pixelsize = 4;
im->linesize = xsize * 4; im->linesize = xsize * 4;
im->type = IMAGING_TYPE_FLOAT32; im->type = IMAGING_TYPE_FLOAT32;
} else if (strcmp(mode, "I") == 0) { } else if (mode == IMAGING_MODE_I) {
/* 32-bit integer images */ /* 32-bit integer images */
im->bands = 1; im->bands = 1;
im->pixelsize = 4; im->pixelsize = 4;
im->linesize = xsize * 4; im->linesize = xsize * 4;
im->type = IMAGING_TYPE_INT32; im->type = IMAGING_TYPE_INT32;
} else if (strcmp(mode, "I;16") == 0 || strcmp(mode, "I;16L") == 0 || } else if (isModeI16(mode)) {
strcmp(mode, "I;16B") == 0 || strcmp(mode, "I;16N") == 0) {
/* EXPERIMENTAL */ /* EXPERIMENTAL */
/* 16-bit raw integer images */ /* 16-bit raw integer images */
im->bands = 1; im->bands = 1;
@ -119,13 +118,13 @@ ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size) {
im->linesize = xsize * 2; im->linesize = xsize * 2;
im->type = IMAGING_TYPE_SPECIAL; im->type = IMAGING_TYPE_SPECIAL;
} else if (strcmp(mode, "RGB") == 0) { } else if (mode == IMAGING_MODE_RGB) {
/* 24-bit true colour images */ /* 24-bit true colour images */
im->bands = 3; im->bands = 3;
im->pixelsize = 4; im->pixelsize = 4;
im->linesize = xsize * 4; im->linesize = xsize * 4;
} else if (strcmp(mode, "BGR;15") == 0) { } else if (mode == IMAGING_MODE_BGR_15) {
/* EXPERIMENTAL */ /* EXPERIMENTAL */
/* 15-bit reversed true colour */ /* 15-bit reversed true colour */
im->bands = 3; im->bands = 3;
@ -133,7 +132,7 @@ ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size) {
im->linesize = (xsize * 2 + 3) & -4; im->linesize = (xsize * 2 + 3) & -4;
im->type = IMAGING_TYPE_SPECIAL; im->type = IMAGING_TYPE_SPECIAL;
} else if (strcmp(mode, "BGR;16") == 0) { } else if (mode == IMAGING_MODE_BGR_16) {
/* EXPERIMENTAL */ /* EXPERIMENTAL */
/* 16-bit reversed true colour */ /* 16-bit reversed true colour */
im->bands = 3; im->bands = 3;
@ -141,7 +140,7 @@ ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size) {
im->linesize = (xsize * 2 + 3) & -4; im->linesize = (xsize * 2 + 3) & -4;
im->type = IMAGING_TYPE_SPECIAL; im->type = IMAGING_TYPE_SPECIAL;
} else if (strcmp(mode, "BGR;24") == 0) { } else if (mode == IMAGING_MODE_BGR_24) {
/* EXPERIMENTAL */ /* EXPERIMENTAL */
/* 24-bit reversed true colour */ /* 24-bit reversed true colour */
im->bands = 3; im->bands = 3;
@ -149,40 +148,40 @@ ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size) {
im->linesize = (xsize * 3 + 3) & -4; im->linesize = (xsize * 3 + 3) & -4;
im->type = IMAGING_TYPE_SPECIAL; im->type = IMAGING_TYPE_SPECIAL;
} else if (strcmp(mode, "RGBX") == 0) { } else if (mode == IMAGING_MODE_RGBX) {
/* 32-bit true colour images with padding */ /* 32-bit true colour images with padding */
im->bands = im->pixelsize = 4; im->bands = im->pixelsize = 4;
im->linesize = xsize * 4; im->linesize = xsize * 4;
} else if (strcmp(mode, "RGBA") == 0) { } else if (mode == IMAGING_MODE_RGBA) {
/* 32-bit true colour images with alpha */ /* 32-bit true colour images with alpha */
im->bands = im->pixelsize = 4; im->bands = im->pixelsize = 4;
im->linesize = xsize * 4; im->linesize = xsize * 4;
} else if (strcmp(mode, "RGBa") == 0) { } else if (mode == IMAGING_MODE_RGBa) {
/* 32-bit true colour images with premultiplied alpha */ /* 32-bit true colour images with premultiplied alpha */
im->bands = im->pixelsize = 4; im->bands = im->pixelsize = 4;
im->linesize = xsize * 4; im->linesize = xsize * 4;
} else if (strcmp(mode, "CMYK") == 0) { } else if (mode == IMAGING_MODE_CMYK) {
/* 32-bit colour separation */ /* 32-bit colour separation */
im->bands = im->pixelsize = 4; im->bands = im->pixelsize = 4;
im->linesize = xsize * 4; im->linesize = xsize * 4;
} else if (strcmp(mode, "YCbCr") == 0) { } else if (mode == IMAGING_MODE_YCbCr) {
/* 24-bit video format */ /* 24-bit video format */
im->bands = 3; im->bands = 3;
im->pixelsize = 4; im->pixelsize = 4;
im->linesize = xsize * 4; im->linesize = xsize * 4;
} else if (strcmp(mode, "LAB") == 0) { } else if (mode == IMAGING_MODE_LAB) {
/* 24-bit color, luminance, + 2 color channels */ /* 24-bit color, luminance, + 2 color channels */
/* L is uint8, a,b are int8 */ /* L is uint8, a,b are int8 */
im->bands = 3; im->bands = 3;
im->pixelsize = 4; im->pixelsize = 4;
im->linesize = xsize * 4; im->linesize = xsize * 4;
} else if (strcmp(mode, "HSV") == 0) { } else if (mode == IMAGING_MODE_HSV) {
/* 24-bit color, luminance, + 2 color channels */ /* 24-bit color, luminance, + 2 color channels */
/* L is uint8, a,b are int8 */ /* L is uint8, a,b are int8 */
im->bands = 3; im->bands = 3;
@ -195,7 +194,7 @@ ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size) {
} }
/* Setup image descriptor */ /* Setup image descriptor */
strcpy(im->mode, mode); im->mode = mode;
/* Pointer array (allocate at least one line, to avoid MemoryError /* Pointer array (allocate at least one line, to avoid MemoryError
exceptions on platforms where calloc(0, x) returns NULL) */ exceptions on platforms where calloc(0, x) returns NULL) */
@ -226,7 +225,7 @@ ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size) {
} }
Imaging Imaging
ImagingNewPrologue(const char *mode, int xsize, int ysize) { ImagingNewPrologue(const Mode *mode, int xsize, int ysize) {
return ImagingNewPrologueSubtype( return ImagingNewPrologueSubtype(
mode, xsize, ysize, sizeof(struct ImagingMemoryInstance) mode, xsize, ysize, sizeof(struct ImagingMemoryInstance)
); );
@ -492,7 +491,7 @@ ImagingAllocateBlock(Imaging im) {
*/ */
Imaging Imaging
ImagingNewInternal(const char *mode, int xsize, int ysize, int dirty) { ImagingNewInternal(const Mode *mode, int xsize, int ysize, int dirty) {
Imaging im; Imaging im;
if (xsize < 0 || ysize < 0) { if (xsize < 0 || ysize < 0) {
@ -528,17 +527,17 @@ ImagingNewInternal(const char *mode, int xsize, int ysize, int dirty) {
} }
Imaging Imaging
ImagingNew(const char *mode, int xsize, int ysize) { ImagingNew(const Mode *mode, int xsize, int ysize) {
return ImagingNewInternal(mode, xsize, ysize, 0); return ImagingNewInternal(mode, xsize, ysize, 0);
} }
Imaging Imaging
ImagingNewDirty(const char *mode, int xsize, int ysize) { ImagingNewDirty(const Mode *mode, int xsize, int ysize) {
return ImagingNewInternal(mode, xsize, ysize, 1); return ImagingNewInternal(mode, xsize, ysize, 1);
} }
Imaging Imaging
ImagingNewBlock(const char *mode, int xsize, int ysize) { ImagingNewBlock(const Mode *mode, int xsize, int ysize) {
Imaging im; Imaging im;
if (xsize < 0 || ysize < 0) { if (xsize < 0 || ysize < 0) {
@ -559,12 +558,12 @@ ImagingNewBlock(const char *mode, int xsize, int ysize) {
} }
Imaging Imaging
ImagingNew2Dirty(const char *mode, Imaging imOut, Imaging imIn) { ImagingNew2Dirty(const Mode *mode, Imaging imOut, Imaging imIn) {
/* allocate or validate output image */ /* allocate or validate output image */
if (imOut) { if (imOut) {
/* make sure images match */ /* make sure images match */
if (strcmp(imOut->mode, mode) != 0 || imOut->xsize != imIn->xsize || if (imOut->mode != mode || imOut->xsize != imIn->xsize ||
imOut->ysize != imIn->ysize) { imOut->ysize != imIn->ysize) {
return ImagingError_Mismatch(); return ImagingError_Mismatch();
} }