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February 2006 - Posts

• SPECIAL EFFECTS ON IMAGES WITH GDI+ Part 2

  This is the continuation of my previous post. To completely understand the contents of this one, I strongly recommend you to read first that article. http://weblogs.foxite.com/cesarchalom/archive/2006/02/13/1139.aspx The ImageAttributes class Read More posted Wednesday, February 22, 2006 3:34 AM by cesarchalom | 4 Comments Filed Under: GDI+ AND IMAGES

• SPECIAL EFFECTS ON IMAGES WITH GDI+

  Sometimes we may need to make some adjustments in the colors of an image, like to make Gamma adjustments, change Saturation, Contrast, Brightness, Hue, convert to GrayScale, to increase or decrease a specific color, etc. The most simple way to do that Read More posted Monday, February 13, 2006 4:38 PM by cesarchalom | 3 Comments Filed Under: GDI+ AND IMAGES

• SCALE AND SHEAR WITH GDI+

  Execute the code below to change Shear and Scale of an image. Special Thanks to Anatolyi Mogylevets, from www.news2news.comA great part of this code comes from him, once _gdiplus.vcx is still incomplete, what obliges us to call directly through Read More posted Thursday, February 09, 2006 4:49 PM by cesarchalom | 3 Comments Filed Under: GDI+ AND IMAGES

• CONVERT IMAGE TYPES WITH VFP9 AND GDI+

  This piece of code loads an image and saves it on the same original folder in the formats supported by GDI+ LOCAL lcSource, lcDestinationlcSource = GETPICT()lcDestination = JUSTPATH(lcSource) + "\_" + JUSTSTEM(lcSource) LOCAL loImage AS GpImage Read More posted Tuesday, February 07, 2006 5:53 PM by cesarchalom | 2 Comments Filed Under: GDI+ AND IMAGES

• ROTATE / FLIP IMAGES WITH VFP9 AND GDI+

  Rotating and / or flipping images is a simple task for Gdi+. To see the different results possible, change the constant value in the parameter "RotateFlip" in the code below.   *-- RotateFlipType Constants#define RotateNoneFlipNone 0#define Read More posted Tuesday, February 07, 2006 4:29 PM by cesarchalom | 2 Comments Filed Under: GDI+ AND IMAGES

• RESIZE IMAGES WITH VFP9 and GDI+

  Resize Image with gdiplus The function GetThumbnailImage can be used to get a resized image, but the result may come with less quality.   The example below does the same thing, but creates an image with a better quality.   #DEFINE GDIPLUS_PIXELFORMAT_1bppIndexed     Read More posted Monday, February 06, 2006 6:00 PM by cesarchalom | 13 Comments Filed Under: GDI+ AND IMAGES