40 lines
937 B
C
40 lines
937 B
C
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#include"img.h"
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#include<mm_malloc.h>
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#include<string.h>
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CUTIVIS CHiImage* CHi_Image_New(uint8_t bpc, uint8_t channels, uint16_t stride, uint16_t width, uint16_t height, void *data) {
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CHiImage *img = malloc(sizeof(*img));
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img->bpc = bpc;
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img->channels = channels;
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img->stride = stride;
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img->width = width;
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img->height = height;
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if(data) img->data16 = data;
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else img->data16 = _mm_malloc(bpc * stride * height, 16);
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img->owned = !data;
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return img;
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}
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CUTIVIS void CHi_Image_Free(CHiImage *img) {
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if(img->owned) {
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_mm_free(img->data16);
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}
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free(img);
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}
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CUTIVIS void CHi_Restride(const void *oldbuf_, void *newbuf_, uint16_t oldStride, uint16_t newStride, uint16_t rows) {
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const uint8_t *oldbuf = oldbuf_;
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uint8_t *newbuf = newbuf_;
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if(oldStride == newStride && oldbuf == newbuf) {
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return;
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}
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while(rows) {
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uint16_t row = --rows;
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memmove(&newbuf[newStride * row], &oldbuf[oldStride * row], oldStride);
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}
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}
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