| 1 | /*␊ |
| 2 | * libeg/image_view.c␊ |
| 3 | * Image View handling functions (extension for libeg)␊ |
| 4 | *␊ |
| 5 | * Copyright (c) 2012-2013 Cadet-Petit Armel␊ |
| 6 | * All rights reserved.␊ |
| 7 | *␊ |
| 8 | * Redistribution and use in source and binary forms, with or without␊ |
| 9 | * modification, are permitted provided that the following conditions are␊ |
| 10 | * met:␊ |
| 11 | *␊ |
| 12 | * * Redistributions of source code must retain the above copyright␊ |
| 13 | * notice, this list of conditions and the following disclaimer.␊ |
| 14 | *␊ |
| 15 | * * Redistributions in binary form must reproduce the above copyright␊ |
| 16 | * notice, this list of conditions and the following disclaimer in the␊ |
| 17 | * documentation and/or other materials provided with the␊ |
| 18 | * distribution.␊ |
| 19 | *␊ |
| 20 | * * Neither the name of Cadet-Petit Armel nor the names of the␊ |
| 21 | * contributors may be used to endorse or promote products derived␊ |
| 22 | * from this software without specific prior written permission.␊ |
| 23 | *␊ |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS␊ |
| 25 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT␊ |
| 26 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR␊ |
| 27 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT␊ |
| 28 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,␊ |
| 29 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT␊ |
| 30 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,␊ |
| 31 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY␊ |
| 32 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT␊ |
| 33 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE␊ |
| 34 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.␊ |
| 35 | */␊ |
| 36 | #include "libegint.h"␊ |
| 37 | ␊ |
| 38 | //␊ |
| 39 | // Basic image view handling␊ |
| 40 | //␊ |
| 41 | ␊ |
| 42 | EG_IMAGE_VIEW * egCreateImageView(IN UINTN Width, IN UINTN Height, IN BOOLEAN HasAlpha, IN UINTN PosX, IN UINTN PosY, IN CHAR16 *Name)␊ |
| 43 | {␊ |
| 44 | ␉EG_IMAGE_VIEW * NewImageView;␊ |
| 45 | ␉NewImageView = (EG_IMAGE_VIEW *) AllocateZeroPool(sizeof(EG_IMAGE_VIEW));␊ |
| 46 | if (NewImageView == NULL)␊ |
| 47 | return NULL;␊ |
| 48 | ␊ |
| 49 | NewImageView->Image = egCreateImage(Width, Height, HasAlpha);␊ |
| 50 | if (NewImageView->Image == NULL) {␊ |
| 51 | ␉␉FreePool(NewImageView);␊ |
| 52 | return NULL;␊ |
| 53 | ␉}␊ |
| 54 | ␉␊ |
| 55 | NewImageView->Name = PoolPrint(Name);␊ |
| 56 | if (NewImageView->Name == NULL) {␊ |
| 57 | egFreeImage(NewImageView->Image);␊ |
| 58 | ␉␉FreePool(NewImageView);␊ |
| 59 | return NULL;␊ |
| 60 | }␊ |
| 61 | ␊ |
| 62 | NewImageView->PosX = PosX;␊ |
| 63 | NewImageView->PosY = PosY;␊ |
| 64 | return NewImageView;␊ |
| 65 | }␊ |
| 66 | ␊ |
| 67 | EG_IMAGE_VIEW * egCreateImageViewFromData(IN EG_PIXEL *PixelData, IN UINTN Width, IN UINTN Height, IN BOOLEAN HasAlpha, IN UINTN PosX, IN UINTN PosY, IN CHAR16 *Name, BOOLEAN NeedFlip)␊ |
| 68 | {␊ |
| 69 | EG_IMAGE_VIEW * NewImageView;␊ |
| 70 | ␊ |
| 71 | NewImageView = egCreateImageView(Width, Height, HasAlpha, PosX, PosY, Name);␊ |
| 72 | if (NewImageView == NULL)␊ |
| 73 | return NULL;␊ |
| 74 | ␊ |
| 75 | NewImageView->Image->NeedFlip = NeedFlip;␊ |
| 76 | ␊ |
| 77 | memcpy(NewImageView->Image->PixelData, PixelData, Width * Height * sizeof(EG_PIXEL));␊ |
| 78 | return NewImageView;␊ |
| 79 | }␊ |
| 80 | ␊ |
| 81 | VOID egFreeImageView(IN EG_IMAGE_VIEW *ImageView)␊ |
| 82 | {␊ |
| 83 | if (ImageView != NULL) {␊ |
| 84 | if (ImageView->Image != NULL)␊ |
| 85 | egFreeImage(ImageView->Image);␊ |
| 86 | ␉␉if (ImageView->Name != NULL)␊ |
| 87 | FreePool(ImageView->Name);␊ |
| 88 | FreePool(ImageView);␊ |
| 89 | }␊ |
| 90 | }␊ |
| 91 | |
