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pixmap works

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This commit is contained in:
NishiOwO
2025-12-15 12:21:14 +09:00
parent bee6cb81ca
commit 7f43a974cd
2 changed files with 37 additions and 10 deletions
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2
include/Mw/LowLevel/Wayland.h
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@@ -115,6 +115,8 @@ struct _MwLLWaylandColor {
struct _MwLLWaylandPixmap {
struct _MwLLCommonPixmap common;
cairo_surface_t* cs;
};
#endif

45
src/backend/wayland.c
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@@ -852,31 +852,56 @@ static MwLLPixmap MwLLCreatePixmapImpl(MwLL handle, unsigned char* data, int wid
r->common.raw = malloc(4 * width * height);
memcpy(r->common.raw, data, 4 * width * height);
r->wayland.cs = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
MwLLPixmapUpdate(r);
return r;
}
static void MwLLPixmapUpdateImpl(MwLLPixmap r) {
/* TODO */
int i;
unsigned char* d;
cairo_surface_flush(r->wayland.cs);
d = cairo_image_surface_get_data(r->wayland.cs);
for(i = 0; i < r->common.width * r->common.height * 4; i += 4){
MwU32* p = (MwU32*)&d[i];
*p <<= 8;
*p |= r->common.raw[i + 3];
*p <<= 8;
*p |= r->common.raw[i + 0];
*p <<= 8;
*p |= r->common.raw[i + 1];
*p <<= 8;
*p |= r->common.raw[i + 2];
}
cairo_surface_mark_dirty(r->wayland.cs);
}
static void MwLLDestroyPixmapImpl(MwLLPixmap pixmap) {
cairo_surface_destroy(pixmap->wayland.cs);
free(pixmap->common.raw);
free(pixmap);
}
static void MwLLDrawPixmapImpl(MwLL handle, MwRect* rect, MwLLPixmap pixmap) {
int y, x;
for(y = rect->y; y < rect->y + rect->height; y++) {
if(y < 0 || y >= handle->wayland.wh) continue;
for(x = rect->x; x < rect->x + rect->width; x++) {
if(x < 0 || x >= handle->wayland.ww) continue;
cairo_t* c;
cairo_surface_t* cs;
/* TODO */
//((unsigned char*)handle->wayland.mapped_shm_buf)[(x + y * handle->wayland.ww) * 4 + 0] = 0x80;
}
}
cs = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, rect->width, rect->height);
c = cairo_create(cs);
cairo_scale(c, (double)rect->width / pixmap->common.width, (double)rect->height / pixmap->common.height);
cairo_set_source_surface(c, pixmap->wayland.cs, 0, 0);
cairo_paint(c);
cairo_set_source_rgb(handle->wayland.cairo, 1, 1, 1);
cairo_set_source_surface(handle->wayland.cairo, cs, rect->x, rect->y);
cairo_paint(handle->wayland.cairo);
cairo_destroy(c);
cairo_surface_destroy(cs);
}
static void MwLLSetIconImpl(MwLL handle, MwLLPixmap pixmap) {
}