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This commit is contained in:
Nishi 2025-12-15 07:15:34 +09:00
commit 7997251781
Signed by: nishi
GPG key ID: 27EF69B208EB9343
4 changed files with 38 additions and 30 deletions
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55
mimview/image.c
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@ -8,15 +8,17 @@ static int oldw = 0, oldh = 0;
static unsigned char* buffer = NULL;
void image_init(void) {
unsigned char* d = ((MwLLCommonPixmap)pxdata)->raw;
int w = ((MwLLCommonPixmap)pxdata)->width;
int h = ((MwLLCommonPixmap)pxdata)->height;
if(oldw != w || oldh != h) {
unsigned char* d = MwPixmapGetRaw(pxdata);
MwRect rc;
MwPixmapGetSize(pxdata, &rc);
if(oldw != rc.width || oldh != rc.height) {
int y, x;
if(buffer != NULL) free(buffer);
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
unsigned char* px = &d[(y * w + x) * 4];
for(y = 0; y < rc.height; y++) {
for(x = 0; x < rc.width; x++) {
unsigned char* px = &d[(y * rc.width + x) * 4];
if(((y / 16) + (x / 16)) % 2) {
px[0] = px[1] = px[2] = 128;
} else {
@ -25,13 +27,13 @@ void image_init(void) {
px[3] = 255;
}
}
buffer = malloc(w * h * 4);
memcpy(buffer, d, w * h * 4);
buffer = malloc(rc.width * rc.height * 4);
memcpy(buffer, d, rc.width * rc.height * 4);
} else {
memcpy(d, buffer, w * h * 4);
memcpy(d, buffer, rc.width * rc.height * 4);
}
oldw = w;
oldh = h;
oldw = rc.width;
oldh = rc.height;
MwLLPixmapUpdate(pxdata);
MwForceRender(image);
@ -61,10 +63,12 @@ void image_render(void) {
double sw, sh;
MwRect rc;
MwGetScreenSize(window, &rc);
MwPixmapGetSize(pxdata, &rc);
pw = ((MwLLCommonPixmap)pxdata)->width;
ph = ((MwLLCommonPixmap)pxdata)->height;
pw = rc.width;
ph = rc.height;
MwGetScreenSize(window, &rc);
dw = MwGetInteger(window, MwNwidth) - pw;
dh = MwGetInteger(window, MwNheight) - ph;
@ -104,14 +108,17 @@ void image_render(void) {
}
if(current < arrlen(images)) {
unsigned char* d = ((MwLLCommonPixmap)pxdata)->raw;
unsigned char* d = MwPixmapGetRaw(pxdata);
int y;
int x;
int w = ((MwLLCommonPixmap)pxdata)->width;
int h = ((MwLLCommonPixmap)pxdata)->height;
int ox = (w - images[current].width / images[current].scale) / 2 - images[current].x / images[current].scale;
int oy = (h - images[current].height / images[current].scale) / 2 - images[current].y / images[current].scale;
MwRect rc;
char str[128];
int ox, oy;
MwPixmapGetSize(pxdata, &rc);
ox = (rc.width - images[current].width / images[current].scale) / 2 - images[current].x / images[current].scale;
oy = (rc.height - images[current].height / images[current].scale) / 2 - images[current].y / images[current].scale;
sprintf(str, "mimview [%d of %d] %s", current + 1, arrlen(images), images[current].path);
@ -119,9 +126,9 @@ void image_render(void) {
MwNtitle, str,
NULL);
for(y = (oy < 0 ? 0 : 0); y < h + (oy < 0 ? -oy : -oy * 2); y++) {
for(x = (ox < 0 ? 0 : 0); x < w + (ox < 0 ? -ox : -ox * 2); x++) {
if(0 <= (y + oy) && (y + oy) < h && 0 <= (x + ox) && (x + ox) < w) {
for(y = (oy < 0 ? 0 : 0); y < rc.height + (oy < 0 ? -oy : -oy * 2); y++) {
for(x = (ox < 0 ? 0 : 0); x < rc.width + (ox < 0 ? -ox : -ox * 2); x++) {
if(0 <= (y + oy) && (y + oy) < rc.height && 0 <= (x + ox) && (x + ox) < rc.width) {
int ix = x * images[current].scale;
int iy = y * images[current].scale;
unsigned char* opx;
@ -129,7 +136,7 @@ void image_render(void) {
if(0 <= iy && iy < images[current].height && 0 <= ix && ix < images[current].width) {
int i;
opx = &d[((y + oy) * w + x + ox) * 4];
opx = &d[((y + oy) * rc.width + x + ox) * 4];
ipx = &images[current].data[(iy * images[current].width + ix) * 4];
for(i = 0; i < 3; i++) {