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win-capture: Invert output when drawing monochrome cursors

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This commit is contained in:
Caelan Sayler
2022-09-16 11:47:15 +01:00
committed by Ryan Foster
parent 88ac8098a1
commit 95f434c591
2 changed files with 27 additions and 13 deletions
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plugins/win-capture/cursor-capture.c
+26 -13
View File
@@ -107,14 +107,19 @@ static inline uint8_t *copy_from_mask(ICONINFO *ii, uint32_t *width,
bottom = bmp.bmWidthBytes * bmp.bmHeight;
for (long i = 0; i < pixels; i++) {
uint8_t alpha = bit_to_alpha(mask, i, false);
uint8_t color = bit_to_alpha(mask + bottom, i, true);
uint8_t andMask = bit_to_alpha(mask, i, true);
uint8_t xorMask = bit_to_alpha(mask + bottom, i, true);
if (!alpha) {
output[i * 4 + 3] = color;
if (!andMask) {
// black in the AND mask
*(uint32_t *)&output[i * 4] =
!!xorMask ? 0x00FFFFFF /*always white*/
: 0xFF000000 /*always black*/;
} else {
*(uint32_t *)&output[i * 4] = !!color ? 0xFFFFFFFF
: 0xFF000000;
// white in the AND mask
*(uint32_t *)&output[i * 4] =
!!xorMask ? 0xFFFFFFFF /*source inverted*/
: 0 /*transparent*/;
}
}
@@ -126,13 +131,16 @@ static inline uint8_t *copy_from_mask(ICONINFO *ii, uint32_t *width,
}
static inline uint8_t *cursor_capture_icon_bitmap(ICONINFO *ii, uint32_t *width,
uint32_t *height)
uint32_t *height,
bool *monochrome)
{
uint8_t *output;
*monochrome = false;
output = copy_from_color(ii, width, height);
if (!output)
if (!output) {
*monochrome = true;
output = copy_from_mask(ii, width, height);
}
return output;
}
@@ -170,7 +178,8 @@ static inline bool cursor_capture_icon(struct cursor_data *data, HICON icon)
return false;
}
bitmap = cursor_capture_icon_bitmap(&ii, &width, &height);
bitmap = cursor_capture_icon_bitmap(&ii, &width, &height,
&data->monochrome);
if (bitmap) {
if (data->last_cx != width || data->last_cy != height) {
data->texture = get_cached_texture(data, width, height);
@@ -228,9 +237,13 @@ void cursor_draw(struct cursor_data *data, long x_offset, long y_offset,
if (data->visible && !!data->texture) {
gs_blend_state_push();
gs_blend_function_separate(GS_BLEND_SRCALPHA,
GS_BLEND_INVSRCALPHA, GS_BLEND_ONE,
GS_BLEND_INVSRCALPHA);
enum gs_blend_type blendMode = data->monochrome
? GS_BLEND_INVDSTCOLOR
: GS_BLEND_SRCALPHA;
gs_blend_function_separate(blendMode, /*src_color*/
GS_BLEND_INVSRCALPHA /*dest_color*/,
GS_BLEND_ONE /*src_alpha*/,
GS_BLEND_INVSRCALPHA /*dest_alpha*/);
gs_matrix_push();
obs_source_draw(data->texture, x_draw, y_draw, 0, 0, false);
plugins/win-capture/cursor-capture.h
+1
View File
@@ -15,6 +15,7 @@ struct cursor_data {
long x_hotspot;
long y_hotspot;
bool visible;
bool monochrome;
uint32_t last_cx;
uint32_t last_cy;