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Merge pull request #50175 from kleonc/image-blit-blend-fix-rects

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`Image.blit_rect/blend_rect` Fix rects calculations for negative arguments
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Hugo Locurcio 2022-04-19 16:30:08 +02:00 • committed by GitHub
commit 3ca4514866
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3 changed files with 63 additions and 64 deletions
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8
doc/classes/Image.xml
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@ -26,7 +26,7 @@
<argument index="1" name="src_rect" type="Rect2" />
<argument index="2" name="dst" type="Vector2" />
<description>
Alpha-blends [code]src_rect[/code] from [code]src[/code] image to this image at coordinates [code]dest[/code].
Alpha-blends [code]src_rect[/code] from [code]src[/code] image to this image at coordinates [code]dest[/code], clipped accordingly to both image bounds. This image and [code]src[/code] image [b]must[/b] have the same format. [code]src_rect[/code] with not positive size is treated as empty.
</description>
</method>
<method name="blend_rect_mask">
@ -36,7 +36,7 @@
<argument index="2" name="src_rect" type="Rect2" />
<argument index="3" name="dst" type="Vector2" />
<description>
Alpha-blends [code]src_rect[/code] from [code]src[/code] image to this image using [code]mask[/code] image at coordinates [code]dst[/code]. Alpha channels are required for both [code]src[/code] and [code]mask[/code]. [code]dst[/code] pixels and [code]src[/code] pixels will blend if the corresponding mask pixel's alpha value is not 0. [code]src[/code] image and [code]mask[/code] image [b]must[/b] have the same size (width and height) but they can have different formats.
Alpha-blends [code]src_rect[/code] from [code]src[/code] image to this image using [code]mask[/code] image at coordinates [code]dst[/code], clipped accordingly to both image bounds. Alpha channels are required for both [code]src[/code] and [code]mask[/code]. [code]dst[/code] pixels and [code]src[/code] pixels will blend if the corresponding mask pixel's alpha value is not 0. This image and [code]src[/code] image [b]must[/b] have the same format. [code]src[/code] image and [code]mask[/code] image [b]must[/b] have the same size (width and height) but they can have different formats. [code]src_rect[/code] with not positive size is treated as empty.
</description>
</method>
<method name="blit_rect">
@ -45,7 +45,7 @@
<argument index="1" name="src_rect" type="Rect2" />
<argument index="2" name="dst" type="Vector2" />
<description>
Copies [code]src_rect[/code] from [code]src[/code] image to this image at coordinates [code]dst[/code].
Copies [code]src_rect[/code] from [code]src[/code] image to this image at coordinates [code]dst[/code], clipped accordingly to both image bounds. This image and [code]src[/code] image [b]must[/b] have the same format. [code]src_rect[/code] with not positive size is treated as empty.
</description>
</method>
<method name="blit_rect_mask">
@ -55,7 +55,7 @@
<argument index="2" name="src_rect" type="Rect2" />
<argument index="3" name="dst" type="Vector2" />
<description>
Blits [code]src_rect[/code] area from [code]src[/code] image to this image at the coordinates given by [code]dst[/code]. [code]src[/code] pixel is copied onto [code]dst[/code] if the corresponding [code]mask[/code] pixel's alpha value is not 0. [code]src[/code] image and [code]mask[/code] image [b]must[/b] have the same size (width and height) but they can have different formats.
Blits [code]src_rect[/code] area from [code]src[/code] image to this image at the coordinates given by [code]dst[/code], clipped accordingly to both image bounds. [code]src[/code] pixel is copied onto [code]dst[/code] if the corresponding [code]mask[/code] pixel's alpha value is not 0. This image and [code]src[/code] image [b]must[/b] have the same format. [code]src[/code] image and [code]mask[/code] image [b]must[/b] have the same size (width and height) but they can have different formats. [code]src_rect[/code] with not positive size is treated as empty.
</description>
</method>
<method name="bump_map_to_normal_map">