| 1 | /*␊ |
| 2 | * libeg/libegint.h␊ |
| 3 | * EFI graphics library internal header␊ |
| 4 | *␊ |
| 5 | * Copyright (c) 2006 Christoph Pfisterer␊ |
| 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 Christoph Pfisterer 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 | ␊ |
| 37 | #ifndef __LIBEG_LIBEGINT_H__␊ |
| 38 | #define __LIBEG_LIBEGINT_H__␊ |
| 39 | ␊ |
| 40 | #include <utarray.h>␊ |
| 41 | #include <stdio.h>␊ |
| 42 | #include <stdlib.h>␊ |
| 43 | #include <unistd.h>␊ |
| 44 | #include <fcntl.h>␊ |
| 45 | #include <efi.h>␊ |
| 46 | #include "libeg.h"␊ |
| 47 | #include <IOGraphics.h>␊ |
| 48 | ␊ |
| 49 | /**␊ |
| 50 | Return the maximum of two operands.␊ |
| 51 | ␊ |
| 52 | This macro returns the maximum of two operand specified by a and b.␊ |
| 53 | Both a and b must be the same numerical types, signed or unsigned.␊ |
| 54 | ␊ |
| 55 | @param a The first operand with any numerical type.␊ |
| 56 | @param b The second operand. Can be any numerical type as long as is␊ |
| 57 | the same type as a.␊ |
| 58 | ␊ |
| 59 | @return Maximum of two operands.␊ |
| 60 | ␊ |
| 61 | **/␊ |
| 62 | #ifndef MAX␊ |
| 63 | #define MAX(a,b) ((a) > (b) ? (a) : (b))␊ |
| 64 | #endif␊ |
| 65 | ␊ |
| 66 | /**␊ |
| 67 | Return the minimum of two operands.␊ |
| 68 | ␊ |
| 69 | This macro returns the minimal of two operand specified by a and b.␊ |
| 70 | Both a and b must be the same numerical types, signed or unsigned.␊ |
| 71 | ␊ |
| 72 | @param a The first operand with any numerical type.␊ |
| 73 | @param b The second operand. It should be the same any numerical type with a.␊ |
| 74 | ␊ |
| 75 | @return Minimum of two operands.␊ |
| 76 | ␊ |
| 77 | **/␊ |
| 78 | #ifndef MIN␊ |
| 79 | #define MIN(a,b) ((a) < (b) ? (a) : (b))␊ |
| 80 | #endif␊ |
| 81 | ␊ |
| 82 | /**␊ |
| 83 | Return the absolute value of a signed operand.␊ |
| 84 | ␊ |
| 85 | This macro returns the absolute value of the signed operand specified by a.␊ |
| 86 | ␊ |
| 87 | @param a The signed operand.␊ |
| 88 | ␊ |
| 89 | @return The absolute value of the signed operand.␊ |
| 90 | ␊ |
| 91 | **/␊ |
| 92 | #ifndef ABS␊ |
| 93 | #define ABS(a) \␊ |
| 94 | (((a) < 0) ? (-(a)) : (a))␊ |
| 95 | #endif␊ |
| 96 | ␊ |
| 97 | //␊ |
| 98 | // Generate an ASSERT if Status is an error code␊ |
| 99 | //␊ |
| 100 | #ifndef ASSERT_EFI_ERROR␊ |
| 101 | #define ASSERT_EFI_ERROR(status) ASSERT(!EFI_ERROR(status))␊ |
| 102 | #endif␊ |
| 103 | ␊ |
| 104 | /* types */␊ |
| 105 | ␊ |
| 106 | typedef EG_IMAGE * (*EG_DECODE_FUNC)(IN UINT8 *FileData, IN UINTN FileDataLength, IN UINTN IconSize, IN BOOLEAN WantAlpha);␊ |
| 107 | ␊ |
| 108 | /* functions */␊ |
| 109 | ␊ |
| 110 | VOID egRestrictImageArea(IN EG_IMAGE *Image,␊ |
| 111 | IN UINTN AreaPosX, IN UINTN AreaPosY,␊ |
| 112 | IN OUT UINTN *AreaWidth, IN OUT UINTN *AreaHeight);␊ |
| 113 | VOID egRawCopy(IN OUT EG_PIXEL *CompBasePtr, IN EG_PIXEL *TopBasePtr,␊ |
| 114 | IN UINTN Width, IN UINTN Height,␊ |
| 115 | IN UINTN CompLineOffset, IN UINTN TopLineOffset);␊ |
| 116 | VOID egRawCompose(IN OUT EG_PIXEL *CompBasePtr, IN EG_PIXEL *TopBasePtr,␊ |
| 117 | IN UINTN Width, IN UINTN Height,␊ |
| 118 | IN UINTN CompLineOffset, IN UINTN TopLineOffset);␊ |
| 119 | ␊ |
| 120 | #define PLPTR(imagevar, colorname) ((UINT8 *) &((imagevar)->PixelData->colorname))␊ |
| 121 | ␊ |
| 122 | VOID egDecompressIcnsRLE(IN OUT UINT8 **CompData, IN OUT UINTN *CompLen, IN UINT8 *DestPlanePtr, IN UINTN PixelCount);␊ |
| 123 | EG_IMAGE * egDecodeICNS(IN UINT8 *FileData, IN UINTN FileDataLength, IN UINTN IconSize, IN BOOLEAN WantAlpha);␊ |
| 124 | VOID egInsertPlane(IN UINT8 *SrcDataPtr, IN UINT8 *DestPlanePtr, IN UINTN PixelCount);␊ |
| 125 | VOID egSetPlane(IN UINT8 *DestPlanePtr, IN UINT8 Value, IN UINTN PixelCount);␊ |
| 126 | VOID egCopyPlane(IN UINT8 *SrcPlanePtr, IN UINT8 *DestPlanePtr, IN UINTN PixelCount);␊ |
| 127 | EG_IMAGE * egDecodePNG(IN UINT8 *FileData, IN UINTN FileDataLength, IN UINTN IconSize, IN BOOLEAN WantAlpha);␊ |
| 128 | ␊ |
| 129 | VOID egEncodeBMP(IN EG_IMAGE *Image, OUT UINT8 **FileData, OUT UINTN *FileDataLength);␊ |
| 130 | EG_IMAGE * egDecodeBMP(IN UINT8 *FileData, IN UINTN FileDataLength, IN UINTN IconSize, IN BOOLEAN WantAlpha);␊ |
| 131 | ␊ |
| 132 | VOID egFlipRB(IN EG_IMAGE *Image);␊ |
| 133 | BOOLEAN egComposeImageStretched(IN OUT EG_IMAGE *CompImage, IN EG_IMAGE *TopImage);␊ |
| 134 | ␊ |
| 135 | ␊ |
| 136 | static void image_view_t_copy(void *_dst, const void *_src) {␊ |
| 137 | EG_IMAGE_VIEW *__dst = (EG_IMAGE_VIEW*)_dst, *__src = (EG_IMAGE_VIEW*)_src;␊ |
| 138 | __dst->Name = __src->Name ? PoolPrint(__src->Name) : NULL;␊ |
| 139 | __dst->PosX = __src->PosX;␊ |
| 140 | __dst->PosY = __src->PosY;␊ |
| 141 | ␊ |
| 142 | __dst->Image = (EG_IMAGE*)malloc(sizeof(EG_IMAGE));␊ |
| 143 | if (__dst->Image)␊ |
| 144 | {␊ |
| 145 | EG_IMAGE *dst = (EG_IMAGE*)__dst->Image, *src = (EG_IMAGE*)__src->Image;␊ |
| 146 | dst->Width = src->Width;␊ |
| 147 | dst->Height = src->Height;␊ |
| 148 | dst->HasAlpha = src->HasAlpha;␊ |
| 149 | dst->NeedFlip = src->NeedFlip;␊ |
| 150 | ␊ |
| 151 | dst->PixelData = (EG_PIXEL *)AllocateCopyPool(src->Width*sizeof(EG_PIXEL)*src->Height, src->PixelData);␊ |
| 152 | }␊ |
| 153 | ␊ |
| 154 | ␊ |
| 155 | }␊ |
| 156 | ␊ |
| 157 | static void image_view_t_dtor(void *_elt) {␊ |
| 158 | EG_IMAGE_VIEW *__elt = (EG_IMAGE_VIEW*)_elt;␊ |
| 159 | EG_IMAGE *elt = __elt->Image;␊ |
| 160 | if (elt->PixelData) free(elt->PixelData);␊ |
| 161 | if (__elt->Name) free(__elt->Name);␊ |
| 162 | if (__elt->Image) free(__elt->Image);␊ |
| 163 | }␊ |
| 164 | static const UT_icd image_view_t_icd _UNUSED_ = {sizeof(EG_IMAGE_VIEW), NULL, image_view_t_copy, image_view_t_dtor};␊ |
| 165 | ␊ |
| 166 | #endif /* __LIBEG_LIBEGINT_H__ */␊ |
| 167 | ␊ |
| 168 | /* EOF */␊ |
| 169 | |
