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add check to image blit

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This commit is contained in:
John Alanbrook 2024-06-18 17:10:24 -05:00
parent 2fe4e825aa
commit ebfa801560
3 changed files with 8 additions and 4 deletions
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1
scripts/components.js
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@ -61,7 +61,6 @@ var sprite = {
this._p = p;
this.del_anim?.();
this.texture = game.texture(p);
say(p);
this.diffuse = this.texture;
this.rect = [0,0,1,1];

9
source/engine/jsffi.c
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@ -2002,6 +2002,7 @@ JSC_GET(texture, delays, ints)
JSC_SCALL(texture_save, texture_save(js2texture(self), str));
JSC_CCALL(texture_blit,
texture *tex = js2texture(self);
texture_blit(js2texture(self), js2texture(argv[0]), js2number(argv[1]), js2number(argv[2]), js2number(argv[3]), js2number(argv[4])))
static const JSCFunctionListEntry js_texture_funcs[] = {
@ -2009,8 +2010,8 @@ static const JSCFunctionListEntry js_texture_funcs[] = {
MIST_GET(texture, height),
MIST_GET(texture, frames),
MIST_GET(texture, delays),
MIST_FUNC_DEF(texture, save, 2),
MIST_FUNC_DEF(texture, blit, 3)
MIST_FUNC_DEF(texture, save, 1),
MIST_FUNC_DEF(texture, blit, 5)
};
JSC_GETSET(font, linegap, number)
@ -2307,7 +2308,9 @@ JSC_SCALL(os_make_texture,
JS_SetPropertyStr(js, ret, "path", JS_DupValue(js,argv[0]));
)
JSC_CCALL(os_make_tex_data, ret = texture2js(texture_empty(js2number(argv[0]), js2number(argv[1]), js2number(argv[2]))))
JSC_CCALL(os_make_tex_data,
ret = texture2js(texture_empty(js2number(argv[0]), js2number(argv[1]), js2number(argv[2])))
)
JSC_CCALL(os_make_font,
font *f = MakeFont(js2str(argv[0]), js2number(argv[1]));

2
source/engine/texture.c
View file

@ -296,6 +296,8 @@ void texture_save(texture *tex, const char *file)
}
void blit_image(uint8_t* src, uint8_t* dest, int src_width, int src_height, int dest_width, int dest_height, int sx, int sy, int sw, int sh) {
if (sx + sw > dest_width) return;
if (sy + sh > dest_height) return;
int src_stride = src_width * 4;
int dest_stride = dest_width * 4;