DxDrawImage - Revision history

Srslyyyy at 12:49, 18 July 2024

2024-07-18T12:49:26Z

← Older revision		Revision as of 12:49, 18 July 2024
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	{{Important Note\|Do not draw image from path. Use a texture created with [[dxCreateTexture]] instead to '''efficiently draw image'''.}}		{{Important Note\|Do not draw image from path. Use a texture created with [[dxCreateTexture]] instead to '''efficiently draw image'''.}}
	{{Important Note\|For further optimising your DX code, see [[dxCreateRenderTarget]]. You should use render target whenever possible in order to dramatically reduce CPU usage caused by many dxDraw* calls.}}		{{Important Note\|For further optimising your DX code, see [[dxCreateRenderTarget]]. You should use render target whenever possible, in order to dramatically reduce CPU usage caused by many dxDraw* calls.}}
	{{Tip\|To help prevent edge artifacts when drawing textures, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]].}}		{{Tip\|To help prevent edge artifacts when drawing textures, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]].}}
	==Syntax==		==Syntax==

Srslyyyy at 12:48, 18 July 2024

2024-07-18T12:48:32Z

← Older revision		Revision as of 12:48, 18 July 2024
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	{{Important Note\|Do not draw image from path. Use a texture created with [[dxCreateTexture]] instead to '''efficiently draw image'''.}}		{{Important Note\|Do not draw image from path. Use a texture created with [[dxCreateTexture]] instead to '''efficiently draw image'''.}}
	{{Important Note\|For further optimising your DX code, see [[dxCreateRenderTarget]. You should use render target whenever possible in order to dramatically reduce CPU usage caused by many dxDraw* calls.}}		{{Important Note\|For further optimising your DX code, see [[dxCreateRenderTarget]]. You should use render target whenever possible in order to dramatically reduce CPU usage caused by many dxDraw* calls.}}
	{{Tip\|To help prevent edge artifacts when drawing textures, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]]}}		{{Tip\|To help prevent edge artifacts when drawing textures, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]].}}
	==Syntax==		==Syntax==
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">

Srslyyyy: Add information about render target, and replace example to texture draw (instead of path).

2024-07-18T12:40:51Z

Add information about render target, and replace example to texture draw (instead of path).

← Older revision		Revision as of 12:40, 18 July 2024
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	<b>Power of two: 2px, 4px, 8px, 16px, 32px, 64px, 128px, 256px, 512px, 1024px...</b>		<b>Power of two: 2px, 4px, 8px, 16px, 32px, 64px, 128px, 256px, 512px, 1024px...</b>

	{{~~Tip~~\|Use a texture created with [[dxCreateTexture]] to '''~~speed up drawing~~'''.}}		{{Important Note\|Do not draw image from path. Use a texture created with [[dxCreateTexture]] instead to '''efficiently draw image'''.}}
			{{Important Note\|For further optimising your DX code, see [[dxCreateRenderTarget]. You should use render target whenever possible in order to dramatically reduce CPU usage caused by many dxDraw* calls.}}
	{{Tip\|To help prevent edge artifacts when drawing textures, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]]}}		{{Tip\|To help prevent edge artifacts when drawing textures, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]]}}
	==Syntax==		==Syntax==
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	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
	local screenWidth, screenHeight = guiGetScreenSize() -- Get screen resolution.		local screenWidth, screenHeight = guiGetScreenSize() -- Get screen resolution.
			local arrowTexture = dxCreateTexture('arrow.png')

	function renderDisplay ( )		function renderDisplay ( )
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	-- using the size of 100 pixels wide, and 240 pixels high.		-- using the size of 100 pixels wide, and 240 pixels high.
	-- The center of rotation is at the top of the image.		-- The center of rotation is at the top of the image.
	dxDrawImage ( screenWidth/2 - 50, 0, 100, 240, ~~'arrow.png'~~, angle, 0, -120 )		dxDrawImage ( screenWidth/2 - 50, 0, 100, 240, arrowTexture, angle, 0, -120 )
	end		end
	addEventHandler("onClientRender", root, renderDisplay) -- Keep everything visible with onClientRender.		addEventHandler("onClientRender", root, renderDisplay) -- Keep everything visible with onClientRender.

Sousateew at 21:40, 23 January 2023

2023-01-23T21:40:03Z

← Older revision		Revision as of 21:40, 23 January 2023
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	Example of a pendulum swinging from the top of the screen, made using dxDrawImage.		Example of a pendulum swinging from the top of the screen, made using dxDrawImage.
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
	local screenWidth,screenHeight = guiGetScreenSize() -- Get screen resolution.		local screenWidth, screenHeight = guiGetScreenSize() -- Get screen resolution.


	function renderDisplay ( )		function renderDisplay ( )
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	dxDrawImage ( screenWidth/2 - 50, 0, 100, 240, 'arrow.png', angle, 0, -120 )		dxDrawImage ( screenWidth/2 - 50, 0, 100, 240, 'arrow.png', angle, 0, -120 )
	end		end
			addEventHandler("onClientRender", root, renderDisplay) -- Keep everything visible with onClientRender.

	~~function HandleTheRendering ( )~~
	addEventHandler("onClientRender", root, renderDisplay) -- Keep everything visible with onClientRender.
	~~end~~
	~~addEventHandler("onClientResourceStart",resourceRoot, HandleTheRendering)~~
	</syntaxhighlight>		</syntaxhighlight>

Zbigniewqq at 21:13, 30 June 2019

2019-06-30T21:13:21Z

← Older revision		Revision as of 21:13, 30 June 2019
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	{{Tip\|Use a texture created with [[dxCreateTexture]] to '''speed up drawing'''.}}		{{Tip\|Use a texture created with [[dxCreateTexture]] to '''speed up drawing'''.}}
	{{Tip\|To help prevent edge artifacts when drawing ~~images~~, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]]}}		{{Tip\|To help prevent edge artifacts when drawing textures, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]]}}
	==Syntax==		==Syntax==
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">

Zbigniewqq at 21:08, 30 June 2019

2019-06-30T21:08:45Z

← Older revision		Revision as of 21:08, 30 June 2019
Line 9:		Line 9:

	{{Tip\|Use a texture created with [[dxCreateTexture]] to '''speed up drawing'''.}}		{{Tip\|Use a texture created with [[dxCreateTexture]] to '''speed up drawing'''.}}
	{{Tip\|To help prevent edge artifacts when drawing ~~textures~~, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]]}}		{{Tip\|To help prevent edge artifacts when drawing images, set '''textureEdge''' to '''"clamp"''' when calling [[dxCreateTexture]]}}
	==Syntax==		==Syntax==
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">

Surge at 17:25, 10 August 2018

2018-08-10T17:25:03Z

← Older revision		Revision as of 17:25, 10 August 2018
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	==See Also==		==See Also==
	{{Drawing_functions}}		{{Drawing_functions}}

			[[hu:dxDrawImage]]

Myonlake at 16:32, 23 June 2018

2018-06-23T16:32:37Z

← Older revision		Revision as of 16:32, 23 June 2018
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	{{Client function}}		{{Client function}}

	[[Image:MTAsa dxDrawImage.png\|thumb\|~~200px~~\|An image drawn on the screen with the dxDrawImage function.]]		[[Image:MTAsa dxDrawImage.png\|thumb\|190px\|An image drawn on the screen with the dxDrawImage function.]]

	Draws an image on the screen for a single frame. In order for the image to stay visible continuously, you need to call this function with the same parameters on each frame update (see [[onClientRender]]).<br/>		Draws an image on the screen for a single frame. In order for the image to stay visible continuously, you need to call this function with the same parameters on each frame update (see [[onClientRender]]).<br/>

Myonlake at 16:18, 23 June 2018

2018-06-23T16:18:33Z

@@ Line 1: / Line 1: @@
 __NOTOC__
 {{Client function}}
 Draws an image on the screen for a single frame. In order for the image to stay visible continuously, you need to call this function with the same parameters on each frame update (see [[onClientRender]]).<br/>
@@ Line 31: / Line 33: @@
 ===Returns===
 Returns ''true'' if successful, ''false'' otherwise.
 ==Example==

Crytx at 16:12, 23 June 2018

2018-06-23T16:12:48Z

@@ Line 31: / Line 31: @@
 ===Returns===
 Returns ''true'' if successful, ''false'' otherwise.
 ==Example==