5 A Linux/Unix toolset and driver for Nokia mobile phones.
7 Released under the terms of the GNU GPL, see file COPYING for more details.
9 Functions for manipulating bitmaps
19 #include "gsm-common.h"
20 #include "gsm-bitmaps.h"
22 #include "gsm-coding.h"
23 #include "gsm-networks.h"
25 void GSM_SetPointBitmap(GSM_Bitmap *bmp, int x, int y)
28 if (bmp->type == GSM_StartupLogo || bmp->type == GSM_6210StartupLogo || bmp->type == GSM_7110StartupLogo)
29 bmp->bitmap[((y/8)*bmp->width)+x] |= 1 << (y%8);
30 if (bmp->type == GSM_OperatorLogo || bmp->type == GSM_7110OperatorLogo || bmp->type == GSM_CallerLogo) {
31 pixel=bmp->width*y + x;
32 bmp->bitmap[pixel/8] |= 1 << (7-(pixel%8));
34 if (bmp->type == GSM_PictureImage) bmp->bitmap[9*y + (x/8)] |= 1 << (7-(x%8));
37 void GSM_ClearPointBitmap(GSM_Bitmap *bmp, int x, int y)
40 if (bmp->type == GSM_StartupLogo || bmp->type == GSM_6210StartupLogo || bmp->type == GSM_7110StartupLogo)
41 bmp->bitmap[((y/8)*bmp->width)+x] &= 255 - (1 << (y%8));
42 if (bmp->type == GSM_OperatorLogo || bmp->type == GSM_7110OperatorLogo || bmp->type == GSM_CallerLogo) {
43 pixel=bmp->width*y + x;
44 bmp->bitmap[pixel/8] &= ~(1 << (7-(pixel%8)));
46 if (bmp->type == GSM_PictureImage) bmp->bitmap[9*y + (x/8)] &= 255 - (1 << (7-(x%8)));
49 bool GSM_IsPointBitmap(GSM_Bitmap *bmp, int x, int y)
54 if (bmp->type == GSM_StartupLogo || bmp->type == GSM_6210StartupLogo || bmp->type == GSM_7110StartupLogo)
55 i=(bmp->bitmap[((y/8)*bmp->width) + x] & 1<<((y%8)));
56 if (bmp->type == GSM_OperatorLogo || bmp->type == GSM_7110OperatorLogo || bmp->type == GSM_CallerLogo) {
57 pixel=bmp->width*y + x;
58 i=(bmp->bitmap[pixel/8] & 1<<(7-(pixel%8)));
60 if (bmp->type == GSM_PictureImage) i=(bmp->bitmap[9*y + (x/8)] & 1<<(7-(x%8)));
62 if (i) return true; else return false;
65 void GSM_ClearBitmap(GSM_Bitmap *bmp)
68 for (i=0;i<bmp->size;i++) bmp->bitmap[i]=0;
71 GSM_Error GSM_ReadBitmap(GSM_SMSMessage *message, GSM_Bitmap *bitmap)
74 unsigned char buffer[20];
76 switch (message->UDHType) {
78 EncodeUDHHeader(buffer, GSM_OperatorLogo);
79 if (message->Length!=133) return GE_UNKNOWN;
81 bitmap->type = GSM_OperatorLogo;
83 DecodeNetworkCode(message->MessageText, bitmap->netcode);
88 case GSM_CallerIDLogo:
89 EncodeUDHHeader(buffer, GSM_CallerLogo);
90 if (message->Length!=130) return GE_UNKNOWN;
92 bitmap->type=GSM_CallerLogo;
99 bitmap->width = message->MessageText[offset];
100 bitmap->height = message->MessageText[offset + 1];
102 if (bitmap->width!=72 || bitmap->height!=14) return GE_INVALIDIMAGESIZE;
104 bitmap->size = (bitmap->width * bitmap->height) / 8;
105 memcpy(bitmap->bitmap, message->MessageText + offset + 3, bitmap->size);
108 fprintf(stdout, _("Bitmap from SMS: width %i, height %i\n"),bitmap->width,bitmap->height);
114 void GSM_ResizeBitmap(GSM_Bitmap *bitmap, GSM_Bitmap_Types target)
117 int x,y,width,height;
121 if (target==GSM_StartupLogo) {
125 if (target==GSM_7110StartupLogo) {
129 if (target==GSM_6210StartupLogo) {
133 if (target==GSM_OperatorLogo || target==GSM_CallerLogo) {
137 if (target==GSM_PictureImage ) {
141 if (target==GSM_7110OperatorLogo) {
146 bitmap->size=(bitmap->width*bitmap->height + 7)/8;
149 if (bitmap->width<width) {
152 fprintf(stdout,_("We lost some part of image - it's cut (width from %i to %i) !\n"),backup.width,width);
156 height=backup.height;
157 if (bitmap->height<height) {
158 height=bitmap->height;
160 fprintf(stdout,_("We lost some part of image - it's cut (height from %i to %i) !\n"),backup.height,height);
164 GSM_ClearBitmap(bitmap);
166 for (y=0;y<height;y++) {
167 for (x=0;x<width;x++)
168 if (GSM_IsPointBitmap(&backup,x,y)) GSM_SetPointBitmap(bitmap,x,y);
171 //GSM_PrintBitmap(&backup);
172 //GSM_PrintBitmap(bitmap);
175 void GSM_PrintBitmap(GSM_Bitmap *bitmap)
179 for (y=0;y<bitmap->height;y++) {
180 for (x=0;x<bitmap->width;x++) {
181 if (GSM_IsPointBitmap(bitmap,x,y)) {
182 fprintf(stdout, _("#"));
184 fprintf(stdout, _(" "));
187 fprintf(stdout, _("\n"));
191 int GSM_SaveBitmapToSMS(GSM_MultiSMSMessage *SMS, GSM_Bitmap *bitmap,
192 bool ScreenSaver, bool UnicodeText)
194 char MessageBuffer[GSM_MAX_SMS_8_BIT_LENGTH*4];
196 GSM_UDH UDHType=GSM_NoUDH;
198 switch (bitmap->type) {
199 case GSM_OperatorLogo:
202 EncodeNetworkCode(MessageBuffer, bitmap->netcode);
205 /* Set the logo size */
206 MessageBuffer[MessageLength++] = 0x00;
207 MessageBuffer[MessageLength++] = bitmap->width;
208 MessageBuffer[MessageLength++] = bitmap->height;
209 MessageBuffer[MessageLength++] = 0x01;
211 memcpy(MessageBuffer+MessageLength,bitmap->bitmap,bitmap->size);
212 MessageLength=MessageLength+bitmap->size;
216 UDHType=GSM_CallerIDLogo;
218 /* Set the logo size */
219 MessageBuffer[MessageLength++] = 0x00;
220 MessageBuffer[MessageLength++] = bitmap->width;
221 MessageBuffer[MessageLength++] = bitmap->height;
222 MessageBuffer[MessageLength++] = 0x01;
224 memcpy(MessageBuffer+MessageLength,bitmap->bitmap,bitmap->size);
225 MessageLength=MessageLength+bitmap->size;
228 case GSM_PictureImage:
229 UDHType=GSM_ProfileUDH;
231 MessageBuffer[MessageLength++]=0x30; //SM version. Here 3.0
234 MessageBuffer[MessageLength++]=SM30_OTA; //ID for OTA bitmap
236 MessageBuffer[MessageLength++]=SM30_SCREENSAVER; //ID for screen saver
238 /* Length for picture part */
239 MessageBuffer[MessageLength++]=0x01; //length hi
240 MessageBuffer[MessageLength++]=0x00; //length lo
242 /* Set the logo size */
243 MessageBuffer[MessageLength++] = 0x00;
244 MessageBuffer[MessageLength++] = bitmap->width;
245 MessageBuffer[MessageLength++] = bitmap->height;
246 MessageBuffer[MessageLength++] = 0x01;
248 memcpy(MessageBuffer+MessageLength,bitmap->bitmap,bitmap->size);
249 MessageLength=MessageLength+bitmap->size;
251 if (strlen(bitmap->text)!=0) {
253 MessageBuffer[MessageLength++]=SM30_UNICODETEXT; //ID for Unicode text
255 /* Length for text part */
256 MessageBuffer[MessageLength++]=0x00; //length of text1
257 MessageBuffer[MessageLength++]=strlen(bitmap->text)*2;//length of text2
259 EncodeUnicode (MessageBuffer+MessageLength,bitmap->text,strlen(bitmap->text));
260 MessageLength=MessageLength+2*strlen(bitmap->text);
262 MessageBuffer[MessageLength++]=SM30_ISOTEXT; //ID for ISO-8859-1 text
264 /* Length for text part */
265 MessageBuffer[MessageLength++]=0x00; //length of text1
266 MessageBuffer[MessageLength++]=strlen(bitmap->text); //length of text2
268 memcpy(MessageBuffer+MessageLength,bitmap->text,strlen(bitmap->text));
269 MessageLength=MessageLength+strlen(bitmap->text);
278 GSM_MakeMultiPartSMS2(SMS,MessageBuffer,MessageLength, UDHType, GSM_Coding_Default);